diff options
Diffstat (limited to 'libX11/modules/lc')
| -rw-r--r-- | libX11/modules/lc/gen/lcGenConv.c | 6297 | ||||
| -rw-r--r-- | libX11/modules/lc/xlocale/lcJis.c | 1889 |
2 files changed, 4092 insertions, 4094 deletions
diff --git a/libX11/modules/lc/gen/lcGenConv.c b/libX11/modules/lc/gen/lcGenConv.c index baac73a39..c222c1f2a 100644 --- a/libX11/modules/lc/gen/lcGenConv.c +++ b/libX11/modules/lc/gen/lcGenConv.c @@ -1,3149 +1,3148 @@ -/* - * Copyright 1992, 1993 by TOSHIBA Corp. - * - * Permission to use, copy, modify, and distribute this software and its - * documentation for any purpose and without fee is hereby granted, provided - * that the above copyright notice appear in all copies and that both that - * copyright notice and this permission notice appear in supporting - * documentation, and that the name of TOSHIBA not be used in advertising - * or publicity pertaining to distribution of the software without specific, - * written prior permission. TOSHIBA make no representations about the - * suitability of this software for any purpose. It is provided "as is" - * without express or implied warranty. - * - * TOSHIBA DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING - * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL - * TOSHIBA BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR - * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, - * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, - * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS - * SOFTWARE. - * - * Author: Katsuhisa Yano TOSHIBA Corp. - * mopi@osa.ilab.toshiba.co.jp - */ -/* - * (c) Copyright 1995 FUJITSU LIMITED - * This is source code modified by FUJITSU LIMITED under the Joint - * Development Agreement for the CDE/Motif PST. - * - * Modifier: Masayoshi Shimamura FUJITSU LIMITED - * - */ -/* - * 2000 - * Modifier: Ivan Pascal The XFree86 Project - */ - -/* - * A generic locale loader for all kinds of ISO-2022 based codesets. - * Supports: all locales. - * How: Provides generic converters for ISO-2022 based codesets. Extensible as - * far as ISO-2022 is extensible: codesets can be given by name in the - * stream. Overall distinction between GL (0x00..0x7f) and GR (0x80..0xff). - * In every chunk between escape sequences, the number of bytes per - * character (char_size) is constant. - * Platforms: all systems. - */ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif -#include "Xlibint.h" -#include "XlcGeneric.h" -#include <stdio.h> - -#if !defined(Lynx_22) && !defined(X_LOCALE) -#define STDCVT -#endif - -typedef struct _CTDataRec { - const char *name; - const char *encoding; /* Compound Text encoding */ -} CTDataRec, *CTData; - -static CTDataRec directionality_data[] = -{ - { "BEGIN_LEFT-TO-RIGHT_TEXT", "\2331]" }, - { "BEGIN_RIGHT-TO-LEFT_TEXT", "\2332]" }, - { "END_OF_STRING", "\233]" }, -}; - -typedef struct _StateRec { - XLCd lcd; - /* CT state */ - XlcCharSet charset; /* charset of current state */ - XlcCharSet GL_charset; /* charset of initial state in GL */ - XlcCharSet GR_charset; /* charset of initial state in GR */ - /* MB shift state */ - CodeSet GL_codeset; - CodeSet GR_codeset; -} StateRec, *State; - -#define GR 0x80 /* begins right-side (non-ascii) region */ -#define GL 0x7f /* ends left-side (ascii) region */ -#define ESC 0x1b -#define CSI 0x9b -#define STX 0x02 - -#define isrightside(c) ((c) & GR) -#define isleftside(c) (!isrightside(c)) - -/* Forward declarations for local routines. */ -static int mbstocts (XlcConv conv, XPointer *from, int *from_left, - XPointer *to, int *to_left, XPointer *args, int num_args); -static int ctstombs (XlcConv conv, XPointer *from, int *from_left, - XPointer *to, int *to_left, XPointer *args, int num_args); -static int cstombs (XlcConv conv, XPointer *from, int *from_left, - XPointer *to, int *to_left, XPointer *args, int num_args); - -/* ------------------------------------------------------------------------- */ -/* Misc */ -/* ------------------------------------------------------------------------- */ - -static int -compare( - const char *src, - const char *encoding, - int length) -{ - const char *start = src; - - while (length-- > 0) { - if (*src++ != *encoding++) - return 0; - if (*encoding == '\0') - return src - start; - } - - return 0; -} - -static unsigned long -conv_to_dest( - Conversion conv, - unsigned long code) -{ - int i; - int conv_num = conv->conv_num; - FontScope convlist = conv->convlist; - - for (i = 0; i < conv_num; i++) { - if (convlist[i].start <= code && code <= convlist[i].end) { - switch (convlist[i].shift_direction) { - case '+': - return(code + convlist[i].shift); - case '-': - return(code - convlist[i].shift); - default: - return(code); - } - } - } - - return(code); -} - -static unsigned long -conv_to_source( - Conversion conv, - unsigned long code) -{ - int i; - int conv_num; - FontScope convlist; - unsigned long start_p; - unsigned long start_m; - unsigned long end_p; - unsigned long end_m; - - if (!conv) - return(code); - - conv_num = conv->conv_num; - convlist = conv->convlist; - - for (i = 0; i < conv_num; i++) { - switch (convlist[i].shift_direction) { - case '+': - start_p = convlist[i].start + convlist[i].shift; - end_p = convlist[i].end + convlist[i].shift; - if (start_p <= code && code <= end_p) - return(code - convlist[i].shift); - break; - case '-': - start_m = convlist[i].start - convlist[i].shift; - end_m = convlist[i].end - convlist[i].shift; - if (start_m <= code && code <= end_m) - return(code + convlist[i].shift); - break; - default: - continue; - } - } - - return(code); -} - -static unsigned long -mb_to_gi( - unsigned long mb, - CodeSet codeset) -{ - int i; - unsigned long mb_tmp, mask = 0; - - if (codeset->mbconv) { - mb_tmp = conv_to_dest(codeset->mbconv, mb); - if (mb_tmp != mb) - return(mb_tmp); - } - - if (codeset->side == XlcC0 || codeset->side == XlcGL || - codeset->side == XlcC1 || codeset->side == XlcGR) { - - for (i = 0; i < codeset->length; i++) - mask = (mask << 8) | GL; - mb = mb & mask; - } - - return(mb); -} - -static unsigned long -gi_to_mb( - unsigned long glyph_index, - CodeSet codeset) -{ - int i; - unsigned long mask = 0; - - if (codeset->side == XlcC1 || codeset->side == XlcGR) { - for (i = 0; i < codeset->length; i++) - mask = (mask << 8) | GR; - glyph_index = glyph_index | mask; - } - - if (codeset->mbconv) - return( conv_to_source(codeset->mbconv, glyph_index) ); - - return(glyph_index); -} - -static Bool -gi_to_wc( - XLCd lcd, - unsigned long glyph_index, - CodeSet codeset, - wchar_t *wc) -{ - unsigned char mask = 0; - unsigned long wc_encoding = codeset->wc_encoding; - int length = codeset->length; - unsigned long wc_shift_bits = XLC_GENERIC(lcd, wc_shift_bits); - - mask = (1 << wc_shift_bits) - 1 ; - - for (*wc = 0, length--; length >= 0; length--) - *wc = (*wc << wc_shift_bits) | ((glyph_index >> (length * 8 )) & mask); - - *wc = *wc | wc_encoding; - - return(True); -} - -static Bool -wc_to_gi( - XLCd lcd, - wchar_t wc, - unsigned long *glyph_index, - CodeSet *codeset) -{ - int i; - unsigned char mask = 0; - unsigned long wc_encoding; - unsigned long wc_encode_mask = XLC_GENERIC(lcd, wc_encode_mask); - unsigned long wc_shift_bits = XLC_GENERIC(lcd, wc_shift_bits); - int codeset_num = XLC_GENERIC(lcd, codeset_num); - CodeSet *codeset_list = XLC_GENERIC(lcd, codeset_list); - - wc_encoding = wc & wc_encode_mask; - for (*codeset = NULL, i = 0; i < codeset_num; i++) { - if (wc_encoding == codeset_list[i]->wc_encoding) { - *codeset = codeset_list[i]; - break; - } - } - if (*codeset == NULL) - return(False); - - mask = (1 << wc_shift_bits) - 1 ; - - wc = wc & ~wc_encode_mask; - for (*glyph_index = 0, i = (*codeset)->length - 1; i >= 0; i--) - *glyph_index = (*glyph_index << 8) | - ( ((unsigned long)wc >> (i * wc_shift_bits)) & mask ); - - return(True); -} - -static CodeSet -mb_parse_codeset( - State state, - int num, - const char **inbufptr, - int *from_left) -{ - int len; - int from_len = (*from_left) + 1; - const char *src = (*inbufptr) - 1; - ParseInfo *mb_parse_list = XLC_GENERIC(state->lcd, mb_parse_list); - ParseInfo parse_info; - CodeSet codeset; - - for (--num ; (parse_info = mb_parse_list[num]) != NULL; num++) { - len = compare(src, parse_info->encoding, from_len); - if (len > 0) { - codeset = parse_info->codeset; - if (parse_info->type == E_LSL) - state->GL_codeset = codeset; - else if (parse_info->type == E_LSR) - state->GR_codeset = codeset; - --len; - *inbufptr += len; - *from_left -= len; - return codeset; - } - } - return (CodeSet) NULL; -} - -static CodeSet -byteM_parse_codeset( - XLCd lcd, - const char *inbufptr) -{ - unsigned char ch; - CodeSet codeset; - ByteInfoList byteM; - ByteInfoListRec byteM_rec; - ByteInfo byteinfo; - ByteInfoRec byteinfo_rec; - Bool hit = False; - int i, j, k; - - int codeset_num = XLC_GENERIC(lcd, codeset_num); - CodeSet *codeset_list = XLC_GENERIC(lcd, codeset_list); - - for (i = 0; i < codeset_num; i++) { - codeset = codeset_list[i]; - byteM = codeset->byteM; - if (codeset->side != XlcNONE || byteM == NULL) - continue; - - for (j = 0; j < codeset->length; j++) { - ch = *((unsigned char *)(inbufptr + j)); - byteM_rec = byteM[j]; - byteinfo = byteM_rec.byteinfo; - - for (hit = False, k = 0; k < byteM_rec.byteinfo_num; k++) { - byteinfo_rec = byteinfo[k]; - if (byteinfo_rec.start <= ch && ch <= byteinfo_rec.end) { - hit = True; - break; - } - } - - if (!hit) - break; - } - - if (hit) - return(codeset); - } - - return(NULL); -} - -#define GLGR_parse_codeset(ch) \ - (isrightside(ch) ? (state->GR_codeset) : \ - (state->GL_codeset) ) - -static XlcCharSet -gi_parse_charset( - unsigned long glyph_index, - CodeSet codeset) -{ - int i; - XlcCharSet *charset_list = codeset->charset_list; - int num_charsets = codeset->num_charsets; - ExtdSegment ctextseg = codeset->ctextseg; - XlcCharSet charset = NULL; - int area_num; - FontScope area; - - /* lockup ct sequence */ - for (i = 0; i < num_charsets; i++) { - charset = charset_list[i]; - if (*charset->ct_sequence != '\0') - break; - } - if (i >= num_charsets) - return(NULL); - - if (charset->source != CSsrcStd) - return (charset); - - if (!ctextseg) - return(charset); - - area = ctextseg->area; - area_num = ctextseg->area_num; - - for (i = 0; i < area_num; i++) { - - if (area[i].start <= glyph_index && glyph_index <= area[i].end) { - - charset = ctextseg->charset; - - if (*charset->ct_sequence == '\0') - return(NULL); - - break; - } - } - - return(charset); -} - -static Bool -ct_parse_csi( - const char *inbufptr, - int *ctr_seq_len) -{ - int i; - int num = sizeof(directionality_data) / sizeof(directionality_data[0]); - - for (i = 0; i < num; i++) { - if ( !(*ctr_seq_len = strlen(directionality_data[i].encoding)) ) - continue; - - if ( strncmp(inbufptr, directionality_data[i].encoding, - *ctr_seq_len) == 0) - return(True); - } - - return(False); -} - -static int -cmp_esc_sequence( - const char *inbufptr, - XlcCharSet charset) -{ - int seq_len, name_len, total_len; - unsigned char byte_m, byte_l; - const char *ct_sequence = charset->ct_sequence; - const char *encoding_name = charset->encoding_name; - - /* check esc sequence */ - if ( !(seq_len = strlen(ct_sequence) ) ) - return(0); - if ( strncmp(inbufptr, ct_sequence, seq_len) != 0) - return(0); - - /* Standard Character Set Encoding ? */ - if (charset->source == CSsrcStd) - return(seq_len); - - /* - * Non-Standard Character Set Encoding - * - * +--- ---+-----+-----+-----+---- ----+-----+-----+------- ------+ - * | ctseq | M | L | encoding name | STX | contents | - * +--- ---+-----+-----+-----+---- ----+-----+-----+------- ------+ - * 4bytes 1byte 1byte variable length 1byte variable length - * | | - * +----------------------------------------------+ - * rest length = ((M - 128) * 128) + (L - 128) - */ - - /* get length of encoding name */ - inbufptr += seq_len; - byte_m = *inbufptr++; - byte_l = *inbufptr++; - name_len = strlen(encoding_name); - - if (((byte_m - 128) * 128 + (byte_l - 128) - 1) < name_len) - return(0); - - if ( _XlcNCompareISOLatin1(inbufptr, encoding_name, name_len) != 0 ) - return(0); - - /* check STX (Start of Text) */ - inbufptr = inbufptr + name_len; - if ( *inbufptr != STX ) - return(0); - - total_len = seq_len + name_len + 3; - return(total_len); -} - -static Bool -ct_parse_charset( - XLCd lcd, - const char *inbufptr, - XlcCharSet *charset, - int *ctr_seq_len) -{ - int i, j; - ExtdSegment ctextseg; - int num_charsets; - XlcCharSet *charset_list; - CodeSet codeset; - int codeset_num = XLC_GENERIC(lcd, codeset_num); - CodeSet *codeset_list = XLC_GENERIC(lcd, codeset_list); - int segment_conv_num = XLC_GENERIC(lcd, segment_conv_num); - SegConv segment_conv = XLC_GENERIC(lcd, segment_conv); - - /* get charset from XLC_XLOCALE by escape sequence */ - - for (i = 0; i < codeset_num; i++) { - codeset = codeset_list[i]; - - num_charsets = codeset->num_charsets; - charset_list = codeset->charset_list; - ctextseg = codeset->ctextseg; - - for (j = 0; j < num_charsets; j++) { - *charset = charset_list[j]; - if ((*ctr_seq_len = cmp_esc_sequence(inbufptr, *charset))) - return(True); - } - - if (ctextseg) { - *charset = ctextseg->charset; - if ((*ctr_seq_len = cmp_esc_sequence(inbufptr, *charset))) - return(True); - } - } - - /* get charset from XLC_SEGMENTCONVERSION by escape sequence */ - - if (!segment_conv) - return(False); - - for (i = 0; i < segment_conv_num; i++) { - *charset = segment_conv[i].source; - if ((*ctr_seq_len = cmp_esc_sequence(inbufptr, *charset))) - return(True); - *charset = segment_conv[i].dest; - if ((*ctr_seq_len = cmp_esc_sequence(inbufptr, *charset))) - return(True); - } - - return(False); -} - -static Bool -segment_conversion( - XLCd lcd, - XlcCharSet *charset, - unsigned long *glyph_index) -{ - int i; - int segment_conv_num = XLC_GENERIC(lcd, segment_conv_num); - SegConv segment_conv = XLC_GENERIC(lcd, segment_conv); - FontScopeRec range; - ConversionRec conv_rec; - - if (!segment_conv) - return(True); - - for (i = 0; i < segment_conv_num; i++) { - if (segment_conv[i].source == *charset) - break; - } - - if (i >= segment_conv_num) - return(True); - - range = segment_conv[i].range; - if (*glyph_index < range.start || range.end < *glyph_index) - return(True); - - *charset = segment_conv[i].dest; - conv_rec.conv_num = segment_conv[i].conv_num; - conv_rec.convlist = segment_conv[i].conv; - *glyph_index = conv_to_dest(&conv_rec, *glyph_index); - - return(True); -} - -static CodeSet -_XlcGetCodeSetFromName( - XLCd lcd, - const char *name) -{ - int i, j; - XlcCharSet charset; - int num_charsets; - XlcCharSet *charset_list; - CodeSet codeset; - - int codeset_num = XLC_GENERIC(lcd, codeset_num); - CodeSet *codeset_list = XLC_GENERIC(lcd, codeset_list); - - for (i = 0; i < codeset_num; i++) { - codeset = codeset_list[i]; - - num_charsets = codeset->num_charsets; - charset_list = codeset->charset_list; - - for (j = 0; j < num_charsets; j++) { - charset = charset_list[j]; - - if (!strlen(charset->name)) - continue; - if ( strcmp(charset->name, name) == 0) - return(codeset); - } - } - - return(NULL); -} - -static Bool -_XlcGetCodeSetFromCharSet( - XLCd lcd, - XlcCharSet charset, - CodeSet *codeset, - unsigned long *glyph_index) -{ - int j, num; - CodeSet *codeset_list = XLC_GENERIC(lcd, codeset_list); - XlcCharSet *charset_list; - int codeset_num, num_charsets; - Conversion ctconv; - unsigned long glyph_index_tmp = 0; - ExtdSegment ctextseg; - - codeset_num = XLC_GENERIC(lcd, codeset_num); - - for (num = 0 ; num < codeset_num; num++) { - *codeset = codeset_list[num]; - ctconv = (*codeset)->ctconv; - ctextseg = (*codeset)->ctextseg; - - num_charsets = (*codeset)->num_charsets; - charset_list = (*codeset)->charset_list; - - glyph_index_tmp = conv_to_source(ctconv, *glyph_index); - - if (charset->source == CSsrcStd) { - - /* Standard Character Set Encoding */ - if (glyph_index_tmp == *glyph_index) { - for (j = 0; j < num_charsets; j++) { - if (charset_list[j] == charset) { - goto end_loop; - } - } - } - - } else { - - /* Non-Standard Character Set Encoding */ - for (j = 0; j < num_charsets; j++) { - if (charset_list[j] == charset) { - goto end_loop; - } - } - - if (glyph_index_tmp != *glyph_index) { - if (ctextseg && ctextseg->charset == charset) { - goto end_loop; - } - } - - } - - } - -end_loop: - if (num < codeset_num) { - *glyph_index = glyph_index_tmp; - return(True); - } - - return(False); -} - -#define check_string_encoding(codeset) (codeset->string_encoding) - -static void -output_ulong_value( - char *outbufptr, - unsigned long code, - int length, - XlcSide side) -{ - int i; - - for (i = (length - 1) * 8; i >= 0; i -= 8) { - *outbufptr = ( code >> i) & 0xff; - - if (side == XlcC0 || side == XlcGL) { - *outbufptr = *outbufptr & GL; - } else if (side == XlcC1 || side == XlcGR) { - *outbufptr = *outbufptr | GR; - } - - outbufptr++; - } -} - -/* -------------------------------------------------------------------------- */ -/* Init */ -/* -------------------------------------------------------------------------- */ - -static XlcCharSet default_GL_charset = 0; -static XlcCharSet default_GR_charset = 0; - -static void -init_state( - XlcConv conv) -{ - State state = (State) conv->state; - - /* for CT */ - state->charset = NULL; - state->GL_charset = default_GL_charset; - state->GR_charset = default_GR_charset; - - /* for MB shift state */ - state->GL_codeset = XLC_GENERIC(state->lcd, initial_state_GL); - state->GR_codeset = XLC_GENERIC(state->lcd, initial_state_GR); -} - -/* -------------------------------------------------------------------------- */ -/* Convert */ -/* -------------------------------------------------------------------------- */ - -static int -mbstowcs_org( - XlcConv conv, - XPointer *from, - int *from_left, - XPointer *to, - int *to_left, - XPointer *args, - int num_args) -{ - State state = (State) conv->state; - XLCd lcd = state->lcd; - - unsigned char ch; - unsigned long mb = 0; - wchar_t wc; - - int length = 0, len_left = 0; - int unconv_num = 0; - int num; - - CodeSet codeset = NULL; - - const char *inbufptr = *from; - wchar_t *outbufptr = (wchar_t *) *to; - int from_size = *from_left; - - unsigned char *mb_parse_table = XLC_GENERIC(lcd, mb_parse_table); - - if (from == NULL || *from == NULL) { - _XlcResetConverter(conv); - return( 0 ); - } - - if (*from_left > *to_left) - *from_left = *to_left; - - while (*from_left && *to_left) { - - ch = *inbufptr++; - (*from_left)--; - - /* null ? */ - if (!ch) { - if (outbufptr) {*outbufptr++ = L'\0';} - (*to_left)--; - - /* error check */ - if (len_left) { - unconv_num += (length - len_left); - len_left = 0; - } - - continue; - } - - /* same mb char data */ - if (len_left) - goto output_one_wc; - - /* next mb char data for single shift ? */ - if (mb_parse_table && (num = mb_parse_table[ch]) ) { - codeset = mb_parse_codeset(state, num, &inbufptr, from_left); - if (codeset != NULL) { - length = len_left = codeset->length; - mb = 0; - continue; - } - } - - /* next mb char data for byteM ? */ - if ((codeset = byteM_parse_codeset(lcd, (inbufptr - 1)))) - goto next_mb_char; - - /* next mb char data for GL or GR side ? */ - if ((codeset = GLGR_parse_codeset(ch))) - goto next_mb_char; - - /* can't find codeset for the ch */ - unconv_num++; - continue; - -next_mb_char: - length = len_left = codeset->length; - mb = 0; - -output_one_wc: - mb = (mb << 8) | ch; /* 1 byte left shift */ - len_left--; - - /* last of one mb char data */ - if (!len_left) { - gi_to_wc(lcd, mb_to_gi(mb, codeset), codeset, &wc); - if (outbufptr) {*outbufptr++ = wc;} - (*to_left)--; - } - - } /* end of while */ - - /* error check on last char */ - if (len_left) { - inbufptr -= (length - len_left); - (*from_left) += (length - len_left); - unconv_num += (length - len_left); - } - - *from = (XPointer) ((const char *) *from + from_size); - *from_left = 0; - *to = (XPointer) outbufptr; - - return unconv_num; -} - -static int -stdc_mbstowcs( - XlcConv conv, - XPointer *from, - int *from_left, - XPointer *to, - int *to_left, - XPointer *args, - int num_args) -{ - const char *src = *((const char **) from); - wchar_t *dst = *((wchar_t **) to); - int src_left = *from_left; - int dst_left = *to_left; - int length, unconv_num = 0; - - while (src_left > 0 && dst_left > 0) { - length = mbtowc(dst, src, src_left); - - if (length > 0) { - src += length; - src_left -= length; - if (dst) - dst++; - dst_left--; - } else if (length < 0) { - src++; - src_left--; - unconv_num++; - } else { - /* null ? */ - src++; - src_left--; - if (dst) - *dst++ = L'\0'; - dst_left--; - } - } - - *from = (XPointer) src; - if (dst) - *to = (XPointer) dst; - *from_left = src_left; - *to_left = dst_left; - - return unconv_num; -} - -static int -wcstombs_org( - XlcConv conv, - XPointer *from, - int *from_left, - XPointer *to, - int *to_left, - XPointer *args, - int num_args) -{ - State state = (State) conv->state; - XLCd lcd = state->lcd; - - char *encoding; - unsigned long mb, glyph_index; - wchar_t wc; - - int length; - int unconv_num = 0; - - CodeSet codeset; - - const wchar_t *inbufptr = (const wchar_t *) *from; - char *outbufptr = *to; - int from_size = *from_left; - - const char *default_string = XLC_PUBLIC(lcd, default_string); - int defstr_len = strlen(default_string); - - - if (*from_left > *to_left) - *from_left = *to_left; - - while (*from_left && *to_left) { - - wc = *inbufptr++; - (*from_left)--; - - /* null ? */ - if (!wc) { - if (outbufptr) {*outbufptr++ = '\0';} - (*to_left)--; - - continue; - } - - /* convert */ - if ( !wc_to_gi(lcd, wc, &glyph_index, &codeset) ) { - - /* output default_string of XDefaultString() */ - if (*to_left < defstr_len) - break; - if (outbufptr) { - strncpy((char *)outbufptr, default_string, defstr_len); - outbufptr += defstr_len; - } - (*to_left) -= defstr_len; - - unconv_num++; - - } else { - mb = gi_to_mb(glyph_index, codeset); - if (codeset->parse_info) { - Bool need_shift = False; - switch (codeset->parse_info->type) { - case E_LSL : - if (codeset != state->GL_codeset) { - need_shift = True; - state->GL_codeset = codeset; - } - break; - case E_LSR : - if (codeset != state->GR_codeset) { - need_shift = True; - state->GR_codeset = codeset; - } - break; - /* case E_SS */ - default: - need_shift = True; - } - - /* output shift sequence */ - if (need_shift) { - encoding = codeset->parse_info->encoding; - length = strlen(encoding); - if (*to_left < length) - break; - if (outbufptr) { - strncpy((char *)outbufptr, encoding, length); - outbufptr += length; - } - (*to_left) -= length; - } - } - - /* output characters */ - length = codeset->length; - if (*to_left < length) - break; - - if (outbufptr) { - output_ulong_value(outbufptr, mb, length, XlcNONE); - outbufptr += length; - } - - (*to_left) -= length; - } - - } /* end of while */ - - *from = (XPointer) ((const wchar_t *) *from + from_size); - *from_left = 0; - *to = (XPointer) outbufptr; - - return unconv_num; -} - -static int -stdc_wcstombs( - XlcConv conv, - XPointer *from, - int *from_left, - XPointer *to, - int *to_left, - XPointer *args, - int num_args) -{ - const wchar_t *src = *((const wchar_t **) from); - char *dst = *((char **) to); - int src_left = *from_left; - int dst_left = *to_left; - int length, unconv_num = 0; - - while (src_left > 0 && dst_left >= MB_CUR_MAX) { - length = wctomb(dst, *src); /* XXX */ - - if (length > 0) { - src++; - src_left--; - if (dst) - dst += length; - dst_left -= length; - } else if (length < 0) { - src++; - src_left--; - unconv_num++; - } - } - - *from = (XPointer) src; - if (dst) - *to = (XPointer) dst; - *from_left = src_left; - *to_left = dst_left; - - return unconv_num; -} - -static int -wcstocts( - XlcConv conv, - XPointer *from, - int *from_left, - XPointer *to, - int *to_left, - XPointer *args, - int num_args) -{ - State state = (State) conv->state; - XLCd lcd = state->lcd; - - unsigned long glyph_index; - wchar_t wc; - - int total_len, seq_len, name_len; - int unconv_num = 0; - Bool first_flag = True, standard_flag; - XlcSide side; - - CodeSet codeset; - XlcCharSet charset, old_charset = NULL; - const char *ct_sequence; - - const wchar_t *inbufptr = (const wchar_t *) *from; - char *outbufptr = *to; - int from_size = *from_left; - char *ext_seg_len = NULL; - - if (*from_left > *to_left) - *from_left = *to_left; - - while (*from_left && *to_left) { - - wc = *inbufptr++; - (*from_left)--; - - /* null ? */ - if (!wc) { - if (outbufptr) {*outbufptr++ = '\0';} - (*to_left)--; - - continue; - } - - /* convert */ - if ( !wc_to_gi(lcd, wc, &glyph_index, &codeset) ) { - unconv_num++; - continue; - } - - /* parse charset */ - if ( !(charset = gi_parse_charset(glyph_index, codeset)) ) { - unconv_num++; - continue; - } - - /* Standard Character Set Encoding ? */ - standard_flag = charset->source == CSsrcStd ? True : False; - - /* - * Non-Standard Character Set Encoding - * - * +-----+-----+-----+-----+-----+-----+-----+---- ----+-----+-----+ - * | esc sequence | M | L | encoding name | STX | - * +-----+-----+-----+-----+-----+-----+-----+---- ----+-----+-----+ - * 4bytes 1byte 1byte variable length 1byte - * | | - * +-----------------------------------------+ - * name length = ((M - 128) * 128) + (L - 128) - */ - - /* make encoding data */ - ct_sequence = charset->ct_sequence; - side = charset->side; - seq_len = strlen(ct_sequence); - if (standard_flag) { - name_len = 0; - total_len = seq_len; - } else { - name_len = strlen(charset->encoding_name) + 1; - total_len = seq_len + name_len + 2; - } - - /* output escape sequence of CT */ - if ( (charset != old_charset) && - !(first_flag && charset->string_encoding) ){ - - if ( (ext_seg_len != NULL) && outbufptr) { - int i = (outbufptr - ext_seg_len) - 2; - *ext_seg_len++ = i / 128 + 128; - *ext_seg_len = i % 128 + 128; - ext_seg_len = NULL; - } - - if (*to_left < total_len + 1) { - unconv_num++; - break; - } - - if (outbufptr) { - strcpy((char *)outbufptr, ct_sequence); - outbufptr += seq_len; - - if (!standard_flag) { - const char *i = charset->encoding_name; - ext_seg_len = outbufptr; - outbufptr += 2; - for (; *i ; i++) - *outbufptr++ = ((*i >= 'A') && (*i <= 'Z')) ? - *i - 'A' + 'a' : *i; - *outbufptr++ = STX; - } - } - - (*to_left) -= total_len; - - first_flag = False; - old_charset = charset; - } - - /* output glyph index */ - if (codeset->ctconv) - glyph_index = conv_to_dest(codeset->ctconv, glyph_index); - if (*to_left < charset->char_size) { - unconv_num++; - break; - } - - if (outbufptr) { - output_ulong_value(outbufptr, glyph_index, charset->char_size, side); - outbufptr += charset->char_size; - } - - (*to_left) -= charset->char_size; - - } /* end of while */ - - if ( (ext_seg_len != NULL) && outbufptr) { - int i = (outbufptr - ext_seg_len) - 2; - *ext_seg_len++ = i / 128 + 128; - *ext_seg_len = i % 128 + 128; - } - - *from = (XPointer) ((const wchar_t *) *from + from_size); - *from_left = 0; - *to = (XPointer) outbufptr; - - return unconv_num; -} - -static int -stdc_wcstocts( - XlcConv conv, - XPointer *from, - int *from_left, - XPointer *to, - int *to_left, - XPointer *args, - int num_args) -{ - XPointer buf = Xmalloc((*from_left) * MB_CUR_MAX); - char *buf_ptr1 = buf; - int buf_left1 = (*from_left) * MB_CUR_MAX; - char *buf_ptr2 = buf_ptr1; - int buf_left2; - int unconv_num1 = 0, unconv_num2 = 0; - - unconv_num1 = stdc_wcstombs(conv, - from, from_left, &buf_ptr1, &buf_left1, args, num_args); - if (unconv_num1 < 0) - goto ret; - - buf_left2 = buf_ptr1 - buf_ptr2; - - unconv_num2 = mbstocts(conv, - &buf_ptr2, &buf_left2, to, to_left, args, num_args); - if (unconv_num2 < 0) - goto ret; - -ret: - if (buf) - Xfree((char *)buf); - - return (unconv_num1 + unconv_num2); -} - -static int -ctstowcs( - XlcConv conv, - XPointer *from, - int *from_left, - XPointer *to, - int *to_left, - XPointer *args, - int num_args) -{ - State state = (State) conv->state; - XLCd lcd = state->lcd; - - unsigned char ch; - unsigned long glyph_index = 0; - wchar_t wc; - - int ctr_seq_len = 0, gi_len_left = 0, gi_len = 0; - int unconv_num = 0; - - CodeSet codeset = NULL; - XlcCharSet charset_tmp; - - const char *inbufptr = *from; - wchar_t *outbufptr = (wchar_t *) *to; - int from_size = *from_left; - - _XlcResetConverter(conv); /* ??? */ - - if (from == NULL || *from == NULL) { - _XlcResetConverter(conv); - return( 0 ); - } - - if (*from_left > *to_left) - *from_left = *to_left; - - while (*from_left && *to_left) { - - ch = *inbufptr++; - (*from_left)--; - - /* null ? */ - if (!ch) { - if (outbufptr) {*outbufptr++ = L'\0';} - (*to_left)--; - - /* error check */ - if (gi_len_left) { - unconv_num += (gi_len - gi_len_left); - gi_len_left = 0; - } - - continue; - } - - /* same glyph_index data */ - if (gi_len_left) - goto output_one_wc; - - /* control sequence ? */ - if (ch == CSI) { - if ( !ct_parse_csi(inbufptr - 1, &ctr_seq_len) ) - goto skip_the_seg; - - if (*from_left + 1 < ctr_seq_len) { - inbufptr--; - (*from_left)++; - unconv_num += *from_left; - break; - } - - /* skip the control sequence */ - inbufptr += (ctr_seq_len - 1); - *from_left -= (ctr_seq_len - 1); - - continue; - } - - /* escape sequence ? */ - if (ch == ESC) { - if ( !ct_parse_charset(lcd, - inbufptr - 1, &state->charset, &ctr_seq_len) ) - goto skip_the_seg; - - if (state->charset->side == XlcC0 || - state->charset->side == XlcGL) - { - state->GL_charset = state->charset; - } - else if (state->charset->side == XlcC1 || - state->charset->side == XlcGR) - { - state->GR_charset = state->charset; - } - else if (state->charset->side == XlcGLGR) - { - state->GL_charset = state->charset; - state->GR_charset = state->charset; - } - - if (*from_left + 1 < ctr_seq_len) { - inbufptr--; - (*from_left)++; - unconv_num += *from_left; - break; - } - - /* skip the escape sequence */ - inbufptr += (ctr_seq_len - 1); - *from_left -= (ctr_seq_len - 1); - - continue; - } - - /* check current state */ - if (isleftside(ch)) - state->charset = state->GL_charset; - else - state->charset = state->GR_charset; - - gi_len = gi_len_left = state->charset->char_size; - glyph_index = 0; - -output_one_wc: - if (state->charset->side == XlcC1 || state->charset->side == XlcGR) - glyph_index = (glyph_index << 8) | (ch & GL); - else - glyph_index = (glyph_index << 8) | ch; - - gi_len_left--; - - /* last of one glyph_index data */ - if (!gi_len_left) { - - /* segment conversion */ - charset_tmp = state->charset; - segment_conversion(lcd, &charset_tmp, &glyph_index); - - /* get codeset */ - if ( !_XlcGetCodeSetFromCharSet(lcd, charset_tmp, - &codeset, &glyph_index) ) { - unconv_num += gi_len; - continue; - } - - /* convert glyph index to wicd char */ - gi_to_wc(lcd, glyph_index, codeset, &wc); - if (outbufptr) {*outbufptr++ = wc;} - (*to_left)--; - } - - continue; - -skip_the_seg: - /* skip until next escape or control sequence */ - while ( *from_left ) { - ch = *inbufptr++; - (*from_left)--; - unconv_num++; - - if (ch == ESC || ch == CSI) { - inbufptr--; - (*from_left)++; - unconv_num--; - break; - } - } - - if ( !(*from_left) ) - break; - - } /* end of while */ - - /* error check on last char */ - if (gi_len_left) { - inbufptr -= (gi_len - gi_len_left); - (*from_left) += (gi_len - gi_len_left); - unconv_num += (gi_len - gi_len_left); - } - - *from = (XPointer) ((const char *) *from + from_size); - *from_left = 0; - *to = (XPointer) outbufptr; - - return unconv_num; -} - -static int -cstowcs( - XlcConv conv, - XPointer *from, - int *from_left, - XPointer *to, - int *to_left, - XPointer *args, - int num_args) -{ - State state = (State) conv->state; - XLCd lcd = state->lcd; - - unsigned char ch; - unsigned long glyph_index = 0; - wchar_t wc; - int gi_len_left = 0, gi_len = 0; - - int unconv_num = 0; - - CodeSet codeset = NULL; - XlcCharSet charset, charset_tmp; - - const char *inbufptr = *from; - wchar_t *outbufptr = (wchar_t *) *to; - int from_size = *from_left; - - if (from == NULL || *from == NULL) { - return( 0 ); - } - - charset = (XlcCharSet) args[0]; - - while (*from_left && *to_left) { - - if (!gi_len_left) { - gi_len_left = gi_len = charset->char_size; - glyph_index = 0; - } - - ch = *inbufptr++; - (*from_left)--; - - /* null ? */ - if (!ch) { - if (outbufptr) {*outbufptr++ = L'\0';} - (*to_left)--; - - /* error check */ - if (gi_len_left) { - unconv_num += (gi_len - gi_len_left); - gi_len_left = 0; - } - continue; - } - - if (charset->side == XlcC1 || charset->side == XlcGR) - glyph_index = (glyph_index << 8) | (ch & GL); - else - glyph_index = (glyph_index << 8) | ch; - - gi_len_left--; - - /* last of one glyph_index data */ - if (!gi_len_left) { - - /* segment conversion */ - charset_tmp = charset; - segment_conversion(lcd, &charset_tmp, &glyph_index); - - /* get codeset */ - if ( !_XlcGetCodeSetFromCharSet(lcd, charset_tmp, - &codeset, &glyph_index) ) { - unconv_num += gi_len; - continue; - } - - /* convert glyph index to wicd char */ - gi_to_wc(lcd, glyph_index, codeset, &wc); - if (outbufptr) {*outbufptr++ = wc;} - (*to_left)--; - } - - } /* end of while */ - - /* error check on last char */ - if (gi_len_left) { - inbufptr -= (gi_len - gi_len_left); - (*from_left) += (gi_len - gi_len_left); - unconv_num += (gi_len - gi_len_left); - } - - *from = (XPointer) ((const char *) *from + from_size); - *from_left = 0; - *to = (XPointer) outbufptr; - - return unconv_num; -} - -static int -stdc_ctstowcs( - XlcConv conv, - XPointer *from, - int *from_left, - XPointer *to, - int *to_left, - XPointer *args, - int num_args) -{ - XPointer buf = Xmalloc((*from_left) * MB_CUR_MAX); - char *buf_ptr1 = buf; - int buf_left1 = (*from_left) * MB_CUR_MAX; - char *buf_ptr2 = buf_ptr1; - int buf_left2; - int unconv_num1 = 0, unconv_num2 = 0; - - unconv_num1 = ctstombs(conv, - from, from_left, &buf_ptr1, &buf_left1, args, num_args); - if (unconv_num1 < 0) - goto ret; - - buf_left2 = buf_ptr1 - buf_ptr2; - - unconv_num2 = stdc_mbstowcs(conv, - &buf_ptr2, &buf_left2, to, to_left, args, num_args); - if (unconv_num2 < 0) - goto ret; - -ret: - if (buf) - Xfree((char *)buf); - - return (unconv_num1 + unconv_num2); -} - -static int -stdc_cstowcs( - XlcConv conv, - XPointer *from, - int *from_left, - XPointer *to, - int *to_left, - XPointer *args, - int num_args) -{ - XPointer buf = Xmalloc((*from_left) * MB_CUR_MAX); - char *buf_ptr1 = buf; - int buf_left1 = (*from_left) * MB_CUR_MAX; - char *buf_ptr2 = buf_ptr1; - int buf_left2; - int unconv_num1 = 0, unconv_num2 = 0; - - unconv_num1 = cstombs(conv, - from, from_left, &buf_ptr1, &buf_left1, args, num_args); - if (unconv_num1 < 0) - goto ret; - - buf_left2 = buf_ptr1 - buf_ptr2; - - unconv_num2 = stdc_mbstowcs(conv, - &buf_ptr2, &buf_left2, to, to_left, args, num_args); - if (unconv_num2 < 0) - goto ret; - -ret: - if (buf) - Xfree((char *)buf); - - return (unconv_num1 + unconv_num2); -} - -static int -mbstocts( - XlcConv conv, - XPointer *from, - int *from_left, - XPointer *to, - int *to_left, - XPointer *args, - int num_args) -{ - XPointer buf = Xmalloc((*from_left) * sizeof(wchar_t)); - char *buf_ptr1 = buf; - int buf_left1 = (*from_left); - char *buf_ptr2 = buf_ptr1; - int buf_left2; - int unconv_num1 = 0, unconv_num2 = 0; - - unconv_num1 = mbstowcs_org(conv, - from, from_left, &buf_ptr1, &buf_left1, args, num_args); - if (unconv_num1 < 0) - goto ret; - - buf_left2 = (buf_ptr1 - buf_ptr2) / sizeof(wchar_t); - - unconv_num2 += wcstocts(conv, - &buf_ptr2, &buf_left2, to, to_left, args, num_args); - if (unconv_num2 < 0) - goto ret; - -ret: - if (buf) - Xfree((char *)buf); - - return (unconv_num1 + unconv_num2); -} - -static int -mbstostr( - XlcConv conv, - XPointer *from, - int *from_left, - XPointer *to, - int *to_left, - XPointer *args, - int num_args) -{ - State state = (State) conv->state; - XLCd lcd = state->lcd; - - unsigned char ch; - unsigned long mb = 0; - - int length = 0, len_left = 0; - int unconv_num = 0; - int num; - - CodeSet codeset = NULL; - - const char *inbufptr = *from; - char *outbufptr = *to; - int from_size = *from_left; - - unsigned char *mb_parse_table = XLC_GENERIC(lcd, mb_parse_table); - - if (from == NULL || *from == NULL) { - _XlcResetConverter(conv); - return( 0 ); - } - - if (*from_left > *to_left) - *from_left = *to_left; - - while (*from_left && *to_left) { - - ch = *inbufptr++; - (*from_left)--; - - /* null ? */ - if (!ch) { - if (outbufptr) {*outbufptr++ = '\0';} - (*to_left)--; - - /* error check */ - if (len_left) { - unconv_num += (length - len_left); - len_left = 0; - } - - continue; - } - - /* same mb char data */ - if (len_left) - goto output_one_mb; - - /* next mb char data for single shift ? */ - if (mb_parse_table && (num = mb_parse_table[ch]) ) { - codeset = mb_parse_codeset(state, num, &inbufptr, from_left); - if (codeset != NULL) { - length = len_left = codeset->length; - mb = 0; - continue; - } - } - - /* next char data : byteM ? */ - if ((codeset = byteM_parse_codeset(lcd, (inbufptr - 1)))) - goto next_mb_char; - - /* next char data : GL or GR side ? */ - if ((codeset = GLGR_parse_codeset(ch))) - goto next_mb_char; - - /* can't find codeset for the ch */ - unconv_num++; - continue; - -next_mb_char: - length = len_left = codeset->length; - mb = 0; - -output_one_mb: - mb = (mb << 8) | ch; /* 1 byte left shift */ - len_left--; - - /* last of one mb char data */ - if (!len_left) { - if (check_string_encoding(codeset)) { - if (outbufptr) {*outbufptr++ = mb & 0xff;} - (*to_left)--; - } else { - unconv_num++; - } - } - - } /* end of while */ - - /* error check on last char */ - if (len_left) { - inbufptr -= (length - len_left); - (*from_left) += (length - len_left); - unconv_num += (length - len_left); - } - - *from = (XPointer) ((const char *) *from + from_size); - *from_left = 0; - *to = (XPointer) outbufptr; - - return unconv_num; -} - -static int -mbtocs( - XlcConv conv, - XPointer *from, - int *from_left, - XPointer *to, - int *to_left, - XPointer *args, - int num_args) -{ - State state = (State) conv->state; - XLCd lcd = state->lcd; - - unsigned char ch; - unsigned long mb = 0; - unsigned long glyph_index; - - int length = 0, len_left = 0, char_len; - int unconv_num = 0; - int num; - XlcSide side; - - CodeSet codeset = NULL; - XlcCharSet charset = NULL; - - const char *inbufptr = *from; - char *outbufptr = *to; - int from_size = *from_left; - - unsigned char *mb_parse_table = XLC_GENERIC(lcd, mb_parse_table); - - if (from == NULL || *from == NULL) { - _XlcResetConverter(conv); - return( 0 ); - } - - if (*from_left > *to_left) - *from_left = *to_left; - - while (*from_left && *to_left) { - - ch = *inbufptr++; - (*from_left)--; - - /* null ? */ - if (!ch) { - unconv_num = 1; - if (len_left) - unconv_num += (length - len_left); - break; - } - - /* same mb char data */ - if (len_left) - goto output; - - /* next mb char data for single shift ? */ - if (mb_parse_table && (num = mb_parse_table[ch]) ) { - codeset = mb_parse_codeset(state, num, &inbufptr, from_left); - if (codeset != NULL) { - length = len_left = codeset->length; - mb = 0; - continue; - } - } - - /* next mb char data for byteM ? */ - if ((codeset = byteM_parse_codeset(lcd, (inbufptr - 1)))) - goto next_mb_char; - - /* next mb char data for GL or GR side ? */ - if ((codeset = GLGR_parse_codeset(ch))) - goto next_mb_char; - - /* can't find codeset for the ch */ - unconv_num = 1; - break; - -next_mb_char: - length = len_left = codeset->length; - mb = 0; - -output: - mb = (mb << 8) | ch; /* 1 byte left shift */ - len_left--; - - /* last of one mb char data */ - if (!len_left) { - glyph_index = mb_to_gi(mb, codeset); - if (!(charset = gi_parse_charset(glyph_index, codeset))) { - unconv_num = length; - break; - } - char_len = charset->char_size; - side = charset->side; - - /* output glyph index */ - if (codeset->ctconv) - glyph_index = conv_to_dest(codeset->ctconv, glyph_index); - if (*to_left < char_len) { - unconv_num = length; - break; - } - - if (outbufptr) { - output_ulong_value(outbufptr, glyph_index, char_len, side); - outbufptr += char_len; - } - - (*to_left) -= char_len; - - break; - } - - } /* end of while */ - - /* error end */ - if (unconv_num) { - *from = (XPointer) ((const char *) *from + from_size); - *from_left = 0; - *to = (XPointer) outbufptr; - return -1; - } - - /* nomal end */ - *from = (XPointer) inbufptr; - *to = (XPointer) outbufptr; - - if (num_args > 0) - *((XlcCharSet *) args[0]) = charset; - - return 0; -} - -static int -mbstocs( - XlcConv conv, - XPointer *from, - int *from_left, - XPointer *to, - int *to_left, - XPointer *args, - int num_args) -{ - int ret; - XlcCharSet charset_old, charset = NULL; - XPointer tmp_args[1]; - - const char *inbufptr; - int in_left; - char *outbufptr; - int out_left; - tmp_args[0] = (XPointer) &charset; - - ret = mbtocs(conv, from, from_left, to, to_left, tmp_args, 1); - charset_old = charset; - - while ( ret == 0 && *from_left && *to_left) { - inbufptr = *from; - in_left = *from_left; - outbufptr = *to; - out_left = *to_left; - ret = mbtocs(conv, from, from_left, to, to_left, tmp_args, 1); - if (charset_old != charset) { - *from = (XPointer) inbufptr; - *from_left = in_left; - *to = (XPointer) outbufptr; - *to_left = out_left; - break; - } - } - - if (num_args > 0) - *((XlcCharSet *) args[0]) = charset_old; - - /* error end */ - if (ret != 0) - return( -1 ); - - return(0); -} - -static int -wcstostr( - XlcConv conv, - XPointer *from, - int *from_left, - XPointer *to, - int *to_left, - XPointer *args, - int num_args) -{ - State state = (State) conv->state; - XLCd lcd = state->lcd; - - char *encoding; - unsigned long mb, glyph_index; - wchar_t wc; - - int length; - int unconv_num = 0; - - CodeSet codeset; - - const wchar_t *inbufptr = (const wchar_t *) *from; - char *outbufptr = *to; - int from_size = *from_left; - - const char *default_string = XLC_PUBLIC(lcd, default_string); - int defstr_len = strlen(default_string); - - - if (*from_left > *to_left) - *from_left = *to_left; - - while (*from_left && *to_left) { - - wc = *inbufptr++; - (*from_left)--; - - /* null ? */ - if (!wc) { - if (outbufptr) {*outbufptr++ = '\0';} - (*to_left)--; - - continue; - } - - /* convert */ - if ( !wc_to_gi(lcd, wc, &glyph_index, &codeset) ) { - - /* output default_string of XDefaultString() */ - if (*to_left < defstr_len) - break; - if (outbufptr) { - strncpy((char *)outbufptr, default_string, defstr_len); - outbufptr += defstr_len; - } - (*to_left) -= defstr_len; - - unconv_num++; - - } else { - mb = gi_to_mb(glyph_index, codeset); - - if (check_string_encoding(codeset)) { - if (codeset->parse_info) { - Bool need_shift = False; - switch (codeset->parse_info->type) { - case E_LSL : - if (codeset != state->GL_codeset) { - need_shift = True; - state->GL_codeset = codeset; - } - break; - case E_LSR : - if (codeset != state->GR_codeset) { - need_shift = True; - state->GR_codeset = codeset; - } - break; - /* case E_SS */ - default: - need_shift = True; - } - - /* output shift sequence */ - if (need_shift) { - encoding = codeset->parse_info->encoding; - length = strlen(encoding); - if (*to_left < length) - break; - - if (outbufptr) { - strncpy((char *)outbufptr, encoding, length); - outbufptr += length; - } - (*to_left) -= length; - } - } - - /* output characters */ - length = codeset->length; - if (*to_left < length) - break; - - if (outbufptr) { - output_ulong_value(outbufptr, mb, length, XlcNONE); - outbufptr += length; - } - - (*to_left) -= length; - } else { - unconv_num++; - } - } - - } /* end of while */ - - *from = (XPointer) ((const wchar_t *) *from + from_size); - *from_left = 0; - *to = (XPointer) outbufptr; - - return unconv_num; -} - -static int -stdc_wcstostr( - XlcConv conv, - XPointer *from, - int *from_left, - XPointer *to, - int *to_left, - XPointer *args, - int num_args) -{ - XPointer buf = Xmalloc((*from_left) * MB_CUR_MAX); - char *buf_ptr1 = buf; - int buf_left1 = (*from_left) * MB_CUR_MAX; - char *buf_ptr2 = buf_ptr1; - int buf_left2; - int unconv_num1 = 0, unconv_num2 = 0; - - unconv_num1 = stdc_wcstombs(conv, - from, from_left, &buf_ptr1, &buf_left1, args, num_args); - if (unconv_num1 < 0) - goto ret; - - buf_left2 = buf_ptr1 - buf_ptr2; - - unconv_num2 = mbstostr(conv, - &buf_ptr2, &buf_left2, to, to_left, args, num_args); - if (unconv_num2 < 0) - goto ret; - -ret: - if (buf) - Xfree((char *)buf); - - return (unconv_num1 + unconv_num2); -} - -static int -wctocs( - XlcConv conv, - XPointer *from, - int *from_left, - XPointer *to, - int *to_left, - XPointer *args, - int num_args) -{ - State state = (State) conv->state; - XLCd lcd = state->lcd; - - wchar_t wc; - unsigned long glyph_index; - - int char_len; - int unconv_num = 0; - XlcSide side; - - CodeSet codeset; - XlcCharSet charset = NULL; - - const wchar_t *inbufptr = (const wchar_t *) *from; - char *outbufptr = *to; - int from_size = *from_left; - - if (*from_left > *to_left) - *from_left = *to_left; - - if (*from_left && *to_left) { - - wc = *inbufptr++; - (*from_left)--; - - /* null ? */ - if (!wc) { - unconv_num = 1; - goto end; - } - - /* convert */ - if ( !wc_to_gi(lcd, wc, &glyph_index, &codeset) ) { - unconv_num = 1; - goto end; - } - - if ( !(charset = gi_parse_charset(glyph_index, codeset)) ) { - unconv_num = 1; - goto end; - } - char_len = charset->char_size; - side = charset->side; - - /* output glyph index */ - if (codeset->ctconv) - glyph_index = conv_to_dest(codeset->ctconv, glyph_index); - if (*to_left < char_len) { - unconv_num++; - goto end; - } - - if (outbufptr) { - output_ulong_value(outbufptr, glyph_index, char_len, side); - outbufptr += char_len; - } - - (*to_left) -= char_len; - - } - -end: - - /* error end */ - if (unconv_num) { - *from = (XPointer) ((const wchar_t *) *from + from_size); - *from_left = 0; - *to = (XPointer) outbufptr; - return -1; - } - - /* nomal end */ - *from = (XPointer) inbufptr; - *to = (XPointer) outbufptr; - - if (num_args > 0) - *((XlcCharSet *) args[0]) = charset; - - return 0; -} - -static int -stdc_wctocs( - XlcConv conv, - XPointer *from, - int *from_left, - XPointer *to, - int *to_left, - XPointer *args, - int num_args) -{ - const wchar_t *src = *((const wchar_t **) from); - wchar_t wch; - XPointer tmp_from, save_from = *from; - char tmp[32]; - int length, ret, src_left = *from_left; - int from_size = *from_left; - - if (src_left > 0 && *to_left > 0) { - if ((wch = *src)) { - length = wctomb(tmp, wch); - } else { - goto end; - } - - if (length < 0) - goto end; - - tmp_from = (XPointer) tmp; - ret = mbtocs(conv, &tmp_from, &length, to, to_left, args, num_args); - if (ret < 0) - goto end; - - src++; - src_left--; - } - -end: - /* error end */ - if (save_from == (XPointer) src) { - *from = (XPointer) ((const wchar_t *) *from + from_size); - *from_left = 0; - return -1; - } - - /* nomal end */ - *from = (XPointer) src; - *from_left = src_left; - - return 0; -} - -static int -wcstocs( - XlcConv conv, - XPointer *from, - int *from_left, - XPointer *to, - int *to_left, - XPointer *args, - int num_args) -{ - int ret; - XlcCharSet charset_old, charset = NULL; - XPointer tmp_args[1]; - - const wchar_t *inbufptr; - int in_left; - XPointer outbufptr; - int out_left; - tmp_args[0] = (XPointer) &charset; - - ret = wctocs(conv, from, from_left, to, to_left, tmp_args, 1); - charset_old = charset; - - while ( ret == 0 && *from_left && *to_left) { - inbufptr = (const wchar_t *) *from; - in_left = *from_left; - outbufptr = *to; - out_left = *to_left; - ret = wctocs(conv, from, from_left, to, to_left, tmp_args, 1); - if (charset_old != charset) { - *from = (XPointer) inbufptr; - *from_left = in_left; - *to = (XPointer) outbufptr; - *to_left = out_left; - break; - } - } - - if (num_args > 0) - *((XlcCharSet *) args[0]) = charset_old; - - /* error end */ - if (ret != 0) - return( -1 ); - - return(0); -} - -#ifdef STDCVT - -static int -stdc_wcstocs( - XlcConv conv, - XPointer *from, - int *from_left, - XPointer *to, - int *to_left, - XPointer *args, - int num_args) -{ - int ret; - XlcCharSet charset_old, charset = NULL; - XPointer tmp_args[1]; - - const wchar_t *inbufptr; - int in_left; - XPointer outbufptr; - int out_left; - tmp_args[0] = (XPointer) &charset; - - ret = stdc_wctocs(conv, from, from_left, to, to_left, tmp_args, 1); - charset_old = charset; - - while ( ret == 0 && *from_left && *to_left ) { - inbufptr = (const wchar_t *) *from; - in_left = *from_left; - outbufptr = *to; - out_left = *to_left; - ret = stdc_wctocs(conv, from, from_left, to, to_left, tmp_args, 1); - if (charset_old != charset) { - *from = (XPointer) inbufptr; - *from_left = in_left; - *to = (XPointer) outbufptr; - *to_left = out_left; - break; - } - } - - if (num_args > 0) - *((XlcCharSet *) args[0]) = charset_old; - - /* error end */ - if (ret != 0) - return( -1 ); - - return(0); -} - -#endif - -static int -ctstombs( - XlcConv conv, - XPointer *from, - int *from_left, - XPointer *to, - int *to_left, - XPointer *args, - int num_args) -{ - XPointer buf = Xmalloc((*from_left) * sizeof(wchar_t)); - char *buf_ptr1 = buf; - int buf_left1 = (*from_left); - char *buf_ptr2 = buf_ptr1; - int buf_left2; - int unconv_num1 = 0, unconv_num2 = 0; - - unconv_num1 = ctstowcs(conv, - from, from_left, &buf_ptr1, &buf_left1, args, num_args); - if (unconv_num1 < 0) - goto ret; - - buf_left2 = (buf_ptr1 - buf_ptr2) / sizeof(wchar_t); - - unconv_num2 += wcstombs_org(conv, - &buf_ptr2, &buf_left2, to, to_left, args, num_args); - if (unconv_num2 < 0) - goto ret; - -ret: - if (buf) - Xfree((char *)buf); - - return (unconv_num1 + unconv_num2); -} - -static int -cstombs( - XlcConv conv, - XPointer *from, - int *from_left, - XPointer *to, - int *to_left, - XPointer *args, - int num_args) -{ - XPointer buf = Xmalloc((*from_left) * sizeof(wchar_t)); - char *buf_ptr1 = buf; - int buf_left1 = (*from_left); - char *buf_ptr2 = buf_ptr1; - int buf_left2; - int unconv_num1 = 0, unconv_num2 = 0; - - unconv_num1 = cstowcs(conv, - from, from_left, &buf_ptr1, &buf_left1, args, num_args); - if (unconv_num1 < 0) - goto ret; - - buf_left2 = (buf_ptr1 - buf_ptr2) / sizeof(wchar_t); - - unconv_num2 += wcstombs_org(conv, - &buf_ptr2, &buf_left2, to, to_left, args, num_args); - if (unconv_num2 < 0) - goto ret; - -ret: - if (buf) - Xfree((char *)buf); - - return (unconv_num1 + unconv_num2); -} - -static int -strtombs( - XlcConv conv, - XPointer *from, - int *from_left, - XPointer *to, - int *to_left, - XPointer *args, - int num_args) -{ - State state = (State) conv->state; - XLCd lcd = state->lcd; - - char *encoding; - unsigned long mb, glyph_index; - unsigned char ch; - - int length; - int unconv_num = 0; - - CodeSet codeset; - - const char *inbufptr = *from; - char *outbufptr = *to; - int from_size = *from_left; - - if (*from_left > *to_left) - *from_left = *to_left; - - while (*from_left && *to_left) { - - ch = *inbufptr++; - (*from_left)--; - - /* null ? */ - if (!ch) { - if (outbufptr) {*outbufptr++ = '\0';} - (*to_left)--; - - continue; - } - - /* convert */ - if (isleftside(ch)) { - glyph_index = ch; - codeset = _XlcGetCodeSetFromName(lcd, "ISO8859-1:GL"); - } else { - glyph_index = ch & GL; - codeset = _XlcGetCodeSetFromName(lcd, "ISO8859-1:GR"); - } - - if (!codeset) { - unconv_num++; - continue; - } - - mb = gi_to_mb(glyph_index, codeset); - if (codeset->parse_info) { - Bool need_shift = False; - switch (codeset->parse_info->type) { - case E_LSL : - if (codeset != state->GL_codeset) { - need_shift = True; - state->GL_codeset = codeset; - } - break; - case E_LSR : - if (codeset != state->GR_codeset) { - need_shift = True; - state->GR_codeset = codeset; - } - break; - /* case E_SS */ - default: - need_shift = True; - } - - /* output shift sequence */ - if (need_shift) { - encoding = codeset->parse_info->encoding; - length = strlen(encoding); - if (*to_left < length) - break; - if (outbufptr) { - strncpy((char *)outbufptr, encoding, length); - outbufptr += length; - } - (*to_left) -= length; - } - } - - /* output characters */ - length = codeset->length; - if (*to_left < length) - break; - - if (outbufptr) { - output_ulong_value(outbufptr, mb, length, XlcNONE); - outbufptr += length; - } - - (*to_left) -= length; - - } /* end of while */ - - *from = (XPointer) ((const char *) *from + from_size); - *from_left = 0; - *to = (XPointer) outbufptr; - - return unconv_num; -} - -static int -strtowcs( - XlcConv conv, - XPointer *from, - int *from_left, - XPointer *to, - int *to_left, - XPointer *args, - int num_args) -{ - State state = (State) conv->state; - XLCd lcd = state->lcd; - - unsigned char ch; - unsigned long glyph_index; - wchar_t wc; - - int unconv_num = 0; - CodeSet codeset; - - const char *inbufptr = *from; - wchar_t *outbufptr = (wchar_t *)*to; - int from_size = *from_left; - - if (*from_left > *to_left) - *from_left = *to_left; - - while (*from_left && *to_left) { - - ch = *inbufptr++; - (*from_left)--; - - /* null ? */ - if (!ch) { - if (outbufptr) {*outbufptr++ = L'\0';} - (*to_left)--; - - continue; - } - - /* convert */ - if (isleftside(ch)) { - glyph_index = ch; - codeset = _XlcGetCodeSetFromName(lcd, "ISO8859-1:GL"); - } else { - glyph_index = ch & GL; - codeset = _XlcGetCodeSetFromName(lcd, "ISO8859-1:GR"); - } - - if (!codeset) { - unconv_num++; - continue; - } - - gi_to_wc(lcd, glyph_index, codeset, &wc); - if (outbufptr) {*outbufptr++ = wc;} - (*to_left)--; - - } /* end of while */ - - *from = (XPointer) ((const char *) *from + from_size); - *from_left = 0; - *to = (XPointer) outbufptr; - - return unconv_num; -} - -static int -stdc_strtowcs( - XlcConv conv, - XPointer *from, - int *from_left, - XPointer *to, - int *to_left, - XPointer *args, - int num_args) -{ - XPointer buf = Xmalloc((*from_left) * MB_CUR_MAX); - char *buf_ptr1 = buf; - int buf_left1 = (*from_left) * MB_CUR_MAX; - char *buf_ptr2 = buf_ptr1; - int buf_left2; - int unconv_num1 = 0, unconv_num2 = 0; - - unconv_num1 = strtombs(conv, - from, from_left, &buf_ptr1, &buf_left1, args, num_args); - if (unconv_num1 < 0) - goto ret; - - buf_left2 = buf_ptr1 - buf_ptr2; - - unconv_num2 = stdc_mbstowcs(conv, - &buf_ptr2, &buf_left2, to, to_left, args, num_args); - if (unconv_num2 < 0) - goto ret; - -ret: - if (buf) - Xfree((char *)buf); - - return (unconv_num1 + unconv_num2); -} - -/* -------------------------------------------------------------------------- */ -/* Close */ -/* -------------------------------------------------------------------------- */ - -static void -close_converter( - XlcConv conv) -{ - if (conv->state) { - Xfree((char *) conv->state); - } - - if (conv->methods) { - Xfree((char *) conv->methods); - } - - Xfree((char *) conv); -} - -/* -------------------------------------------------------------------------- */ -/* Open */ -/* -------------------------------------------------------------------------- */ - -static XlcConv -create_conv( - XLCd lcd, - XlcConvMethods methods) -{ - XlcConv conv; - State state; - - conv = (XlcConv) Xcalloc(1, sizeof(XlcConvRec)); - if (conv == NULL) - return (XlcConv) NULL; - - conv->methods = (XlcConvMethods) Xmalloc(sizeof(XlcConvMethodsRec)); - if (conv->methods == NULL) - goto err; - *conv->methods = *methods; - conv->methods->reset = init_state; - - conv->state = (XPointer) Xmalloc(sizeof(StateRec)); - if (conv->state == NULL) - goto err; - bzero((char *) conv->state, sizeof(StateRec)); - - state = (State) conv->state; - state->lcd = lcd; - - _XlcResetConverter(conv); - - return conv; - -err: - close_converter(conv); - - return (XlcConv) NULL; -} - -static XlcConvMethodsRec mbstocts_methods = { - close_converter, - mbstocts, - NULL -}; - -static XlcConv -open_mbstocts( - XLCd from_lcd, - const char *from_type, - XLCd to_lcd, - const char *to_type) -{ - return create_conv(from_lcd, &mbstocts_methods); -} - -static XlcConvMethodsRec mbstostr_methods = { - close_converter, - mbstostr, - NULL -}; - -static XlcConv -open_mbstostr( - XLCd from_lcd, - const char *from_type, - XLCd to_lcd, - const char *to_type) -{ - return create_conv(from_lcd, &mbstostr_methods); -} - -static XlcConvMethodsRec mbstocs_methods = { - close_converter, - mbstocs, - NULL -}; - -static XlcConv -open_mbstocs( - XLCd from_lcd, - const char *from_type, - XLCd to_lcd, - const char *to_type) -{ - return create_conv(from_lcd, &mbstocs_methods); -} - -static XlcConvMethodsRec mbtocs_methods = { - close_converter, - mbtocs, - NULL -}; - -static XlcConv -open_mbtocs( - XLCd from_lcd, - const char *from_type, - XLCd to_lcd, - const char *to_type) -{ - return create_conv(from_lcd, &mbtocs_methods); -} - -static XlcConvMethodsRec ctstombs_methods = { - close_converter, - ctstombs, - NULL -}; - -static XlcConv -open_ctstombs( - XLCd from_lcd, - const char *from_type, - XLCd to_lcd, - const char *to_type) -{ - return create_conv(from_lcd, &ctstombs_methods); -} - -static XlcConvMethodsRec cstombs_methods = { - close_converter, - cstombs, - NULL -}; - -static XlcConv -open_cstombs( - XLCd from_lcd, - const char *from_type, - XLCd to_lcd, - const char *to_type) -{ - return create_conv(from_lcd, &cstombs_methods); -} - -static XlcConvMethodsRec strtombs_methods = { - close_converter, - strtombs, - NULL -}; - -static XlcConv -open_strtombs( - XLCd from_lcd, - const char *from_type, - XLCd to_lcd, - const char *to_type) -{ - return create_conv(from_lcd, &strtombs_methods); -} - -#ifdef STDCVT - -static XlcConvMethodsRec stdc_mbstowcs_methods = { - close_converter, - stdc_mbstowcs, - NULL -}; - -static XlcConv -open_stdc_mbstowcs( - XLCd from_lcd, - const char *from_type, - XLCd to_lcd, - const char *to_type) -{ - return create_conv(from_lcd, &stdc_mbstowcs_methods); -} - -static XlcConvMethodsRec stdc_wcstombs_methods = { - close_converter, - stdc_wcstombs, - NULL -}; - -static XlcConv -open_stdc_wcstombs( - XLCd from_lcd, - const char *from_type, - XLCd to_lcd, - const char *to_type) -{ - return create_conv(from_lcd, &stdc_wcstombs_methods); -} - -static XlcConvMethodsRec stdc_wcstocts_methods = { - close_converter, - stdc_wcstocts, - NULL -}; - -static XlcConv -open_stdc_wcstocts( - XLCd from_lcd, - const char *from_type, - XLCd to_lcd, - const char *to_type) -{ - return create_conv(from_lcd, &stdc_wcstocts_methods); -} - -static XlcConvMethodsRec stdc_wcstostr_methods = { - close_converter, - stdc_wcstostr, - NULL -}; - -static XlcConv -open_stdc_wcstostr( - XLCd from_lcd, - const char *from_type, - XLCd to_lcd, - const char *to_type) -{ - return create_conv(from_lcd, &stdc_wcstostr_methods); -} - -static XlcConvMethodsRec stdc_wcstocs_methods = { - close_converter, - stdc_wcstocs, - NULL -}; - -static XlcConv -open_stdc_wcstocs( - XLCd from_lcd, - const char *from_type, - XLCd to_lcd, - const char *to_type) -{ - return create_conv(from_lcd, &stdc_wcstocs_methods); -} - -static XlcConvMethodsRec stdc_wctocs_methods = { - close_converter, - stdc_wctocs, - NULL -}; - -static XlcConv -open_stdc_wctocs( - XLCd from_lcd, - const char *from_type, - XLCd to_lcd, - const char *to_type) -{ - return create_conv(from_lcd, &stdc_wctocs_methods); -} - -static XlcConvMethodsRec stdc_ctstowcs_methods = { - close_converter, - stdc_ctstowcs, - NULL -}; - -static XlcConv -open_stdc_ctstowcs( - XLCd from_lcd, - const char *from_type, - XLCd to_lcd, - const char *to_type) -{ - return create_conv(from_lcd, &stdc_ctstowcs_methods); -} - -static XlcConvMethodsRec stdc_cstowcs_methods = { - close_converter, - stdc_cstowcs, - NULL -}; - -static XlcConv -open_stdc_cstowcs( - XLCd from_lcd, - const char *from_type, - XLCd to_lcd, - const char *to_type) -{ - return create_conv(from_lcd, &stdc_cstowcs_methods); -} - -static XlcConvMethodsRec stdc_strtowcs_methods = { - close_converter, - stdc_strtowcs, - NULL -}; - -static XlcConv -open_stdc_strtowcs( - XLCd from_lcd, - const char *from_type, - XLCd to_lcd, - const char *to_type) -{ - return create_conv(from_lcd, &stdc_strtowcs_methods); -} - -#endif /* STDCVT */ - -static XlcConvMethodsRec mbstowcs_methods = { - close_converter, - mbstowcs_org, - NULL -}; - -static XlcConv -open_mbstowcs( - XLCd from_lcd, - const char *from_type, - XLCd to_lcd, - const char *to_type) -{ - return create_conv(from_lcd, &mbstowcs_methods); -} - -static XlcConvMethodsRec wcstombs_methods = { - close_converter, - wcstombs_org, - NULL -}; - -static XlcConv -open_wcstombs( - XLCd from_lcd, - const char *from_type, - XLCd to_lcd, - const char *to_type) -{ - return create_conv(from_lcd, &wcstombs_methods); -} - -static XlcConvMethodsRec wcstocts_methods = { - close_converter, - wcstocts, - NULL -}; - -static XlcConv -open_wcstocts( - XLCd from_lcd, - const char *from_type, - XLCd to_lcd, - const char *to_type) -{ - return create_conv(from_lcd, &wcstocts_methods); -} - -static XlcConvMethodsRec wcstostr_methods = { - close_converter, - wcstostr, - NULL -}; - -static XlcConv -open_wcstostr( - XLCd from_lcd, - const char *from_type, - XLCd to_lcd, - const char *to_type) -{ - return create_conv(from_lcd, &wcstostr_methods); -} - -static XlcConvMethodsRec wcstocs_methods = { - close_converter, - wcstocs, - NULL -}; - -static XlcConv -open_wcstocs( - XLCd from_lcd, - const char *from_type, - XLCd to_lcd, - const char *to_type) -{ - return create_conv(from_lcd, &wcstocs_methods); -} - -static XlcConvMethodsRec wctocs_methods = { - close_converter, - wctocs, - NULL -}; - -static XlcConv -open_wctocs( - XLCd from_lcd, - const char *from_type, - XLCd to_lcd, - const char *to_type) -{ - return create_conv(from_lcd, &wctocs_methods); -} - -static XlcConvMethodsRec ctstowcs_methods = { - close_converter, - ctstowcs, - NULL -}; - -static XlcConv -open_ctstowcs( - XLCd from_lcd, - const char *from_type, - XLCd to_lcd, - const char *to_type) -{ - return create_conv(from_lcd, &ctstowcs_methods); -} - -static XlcConvMethodsRec cstowcs_methods = { - close_converter, - cstowcs, - NULL -}; - -static XlcConv -open_cstowcs( - XLCd from_lcd, - const char *from_type, - XLCd to_lcd, - const char *to_type) -{ - return create_conv(from_lcd, &cstowcs_methods); -} - -static XlcConvMethodsRec strtowcs_methods = { - close_converter, - strtowcs, - NULL -}; - -static XlcConv -open_strtowcs( - XLCd from_lcd, - const char *from_type, - XLCd to_lcd, - const char *to_type) -{ - return create_conv(from_lcd, &strtowcs_methods); -} - -/* -------------------------------------------------------------------------- */ -/* Loader */ -/* -------------------------------------------------------------------------- */ - -XLCd -_XlcGenericLoader( - const char *name) -{ - XLCd lcd; -#ifdef STDCVT - XLCdGenericPart *gen; -#endif - - lcd = _XlcCreateLC(name, _XlcGenericMethods); - - if (lcd == NULL) - return lcd; - - default_GL_charset = _XlcGetCharSet("ISO8859-1:GL"); - default_GR_charset = _XlcGetCharSet("ISO8859-1:GR"); - - _XlcSetConverter(lcd, XlcNMultiByte, lcd, XlcNCompoundText, open_mbstocts); - _XlcSetConverter(lcd, XlcNMultiByte, lcd, XlcNString, open_mbstostr); - _XlcSetConverter(lcd, XlcNMultiByte, lcd, XlcNCharSet, open_mbstocs); - _XlcSetConverter(lcd, XlcNMultiByte, lcd, XlcNChar, open_mbtocs); - _XlcSetConverter(lcd, XlcNCompoundText, lcd, XlcNMultiByte, open_ctstombs); - _XlcSetConverter(lcd, XlcNString, lcd, XlcNMultiByte, open_strtombs); - _XlcSetConverter(lcd, XlcNCharSet, lcd, XlcNMultiByte, open_cstombs); - -#ifdef STDCVT - gen = XLC_GENERIC_PART(lcd); - - if (gen->use_stdc_env != True) { -#endif - _XlcSetConverter(lcd, XlcNMultiByte, lcd, XlcNWideChar, open_mbstowcs); - _XlcSetConverter(lcd, XlcNWideChar, lcd, XlcNMultiByte, open_wcstombs); - _XlcSetConverter(lcd, XlcNWideChar, lcd, XlcNCompoundText, open_wcstocts); - _XlcSetConverter(lcd, XlcNWideChar, lcd, XlcNString, open_wcstostr); - _XlcSetConverter(lcd, XlcNWideChar, lcd, XlcNCharSet, open_wcstocs); - _XlcSetConverter(lcd, XlcNWideChar, lcd, XlcNChar, open_wctocs); - _XlcSetConverter(lcd, XlcNCompoundText, lcd, XlcNWideChar, open_ctstowcs); - _XlcSetConverter(lcd, XlcNString, lcd, XlcNWideChar, open_strtowcs); - _XlcSetConverter(lcd, XlcNCharSet, lcd, XlcNWideChar, open_cstowcs); -#ifdef STDCVT - } -#endif - -#ifdef STDCVT - if (gen->use_stdc_env == True) { - _XlcSetConverter(lcd, XlcNMultiByte, lcd, XlcNWideChar, open_stdc_mbstowcs); - _XlcSetConverter(lcd, XlcNWideChar, lcd, XlcNMultiByte, open_stdc_wcstombs); - _XlcSetConverter(lcd, XlcNWideChar, lcd, XlcNCompoundText, open_stdc_wcstocts); - _XlcSetConverter(lcd, XlcNWideChar, lcd, XlcNString, open_stdc_wcstostr); - _XlcSetConverter(lcd, XlcNWideChar, lcd, XlcNCharSet, open_stdc_wcstocs); - _XlcSetConverter(lcd, XlcNWideChar, lcd, XlcNChar, open_stdc_wctocs); - _XlcSetConverter(lcd, XlcNCompoundText, lcd, XlcNWideChar, open_stdc_ctstowcs); - _XlcSetConverter(lcd, XlcNString, lcd, XlcNWideChar, open_stdc_strtowcs); - _XlcSetConverter(lcd, XlcNCharSet, lcd, XlcNWideChar, open_stdc_cstowcs); - } -#endif - - _XlcAddUtf8Converters(lcd); - - return lcd; -} +/*
+ * Copyright 1992, 1993 by TOSHIBA Corp.
+ *
+ * Permission to use, copy, modify, and distribute this software and its
+ * documentation for any purpose and without fee is hereby granted, provided
+ * that the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of TOSHIBA not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission. TOSHIBA make no representations about the
+ * suitability of this software for any purpose. It is provided "as is"
+ * without express or implied warranty.
+ *
+ * TOSHIBA DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
+ * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
+ * TOSHIBA BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
+ * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
+ * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+ * SOFTWARE.
+ *
+ * Author: Katsuhisa Yano TOSHIBA Corp.
+ * mopi@osa.ilab.toshiba.co.jp
+ */
+/*
+ * (c) Copyright 1995 FUJITSU LIMITED
+ * This is source code modified by FUJITSU LIMITED under the Joint
+ * Development Agreement for the CDE/Motif PST.
+ *
+ * Modifier: Masayoshi Shimamura FUJITSU LIMITED
+ *
+ */
+/*
+ * 2000
+ * Modifier: Ivan Pascal The XFree86 Project
+ */
+
+/*
+ * A generic locale loader for all kinds of ISO-2022 based codesets.
+ * Supports: all locales.
+ * How: Provides generic converters for ISO-2022 based codesets. Extensible as
+ * far as ISO-2022 is extensible: codesets can be given by name in the
+ * stream. Overall distinction between GL (0x00..0x7f) and GR (0x80..0xff).
+ * In every chunk between escape sequences, the number of bytes per
+ * character (char_size) is constant.
+ * Platforms: all systems.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xlibint.h"
+#include "XlcGeneric.h"
+#include <stdio.h>
+
+#if !defined(Lynx_22) && !defined(X_LOCALE)
+#define STDCVT
+#endif
+
+typedef struct _CTDataRec {
+ const char *name;
+ const char *encoding; /* Compound Text encoding */
+} CTDataRec, *CTData;
+
+static CTDataRec directionality_data[] =
+{
+ { "BEGIN_LEFT-TO-RIGHT_TEXT", "\2331]" },
+ { "BEGIN_RIGHT-TO-LEFT_TEXT", "\2332]" },
+ { "END_OF_STRING", "\233]" },
+};
+
+typedef struct _StateRec {
+ XLCd lcd;
+ /* CT state */
+ XlcCharSet charset; /* charset of current state */
+ XlcCharSet GL_charset; /* charset of initial state in GL */
+ XlcCharSet GR_charset; /* charset of initial state in GR */
+ /* MB shift state */
+ CodeSet GL_codeset;
+ CodeSet GR_codeset;
+} StateRec, *State;
+
+#define GR 0x80 /* begins right-side (non-ascii) region */
+#define GL 0x7f /* ends left-side (ascii) region */
+#define ESC 0x1b
+#define CSI 0x9b
+#define STX 0x02
+
+#define isrightside(c) ((c) & GR)
+#define isleftside(c) (!isrightside(c))
+
+/* Forward declarations for local routines. */
+static int mbstocts (XlcConv conv, XPointer *from, int *from_left,
+ XPointer *to, int *to_left, XPointer *args, int num_args);
+static int ctstombs (XlcConv conv, XPointer *from, int *from_left,
+ XPointer *to, int *to_left, XPointer *args, int num_args);
+static int cstombs (XlcConv conv, XPointer *from, int *from_left,
+ XPointer *to, int *to_left, XPointer *args, int num_args);
+
+/* ------------------------------------------------------------------------- */
+/* Misc */
+/* ------------------------------------------------------------------------- */
+
+static int
+compare(
+ const char *src,
+ const char *encoding,
+ int length)
+{
+ const char *start = src;
+
+ while (length-- > 0) {
+ if (*src++ != *encoding++)
+ return 0;
+ if (*encoding == '\0')
+ return src - start;
+ }
+
+ return 0;
+}
+
+static unsigned long
+conv_to_dest(
+ Conversion conv,
+ unsigned long code)
+{
+ int i;
+ int conv_num = conv->conv_num;
+ FontScope convlist = conv->convlist;
+
+ for (i = 0; i < conv_num; i++) {
+ if (convlist[i].start <= code && code <= convlist[i].end) {
+ switch (convlist[i].shift_direction) {
+ case '+':
+ return(code + convlist[i].shift);
+ case '-':
+ return(code - convlist[i].shift);
+ default:
+ return(code);
+ }
+ }
+ }
+
+ return(code);
+}
+
+static unsigned long
+conv_to_source(
+ Conversion conv,
+ unsigned long code)
+{
+ int i;
+ int conv_num;
+ FontScope convlist;
+ unsigned long start_p;
+ unsigned long start_m;
+ unsigned long end_p;
+ unsigned long end_m;
+
+ if (!conv)
+ return(code);
+
+ conv_num = conv->conv_num;
+ convlist = conv->convlist;
+
+ for (i = 0; i < conv_num; i++) {
+ switch (convlist[i].shift_direction) {
+ case '+':
+ start_p = convlist[i].start + convlist[i].shift;
+ end_p = convlist[i].end + convlist[i].shift;
+ if (start_p <= code && code <= end_p)
+ return(code - convlist[i].shift);
+ break;
+ case '-':
+ start_m = convlist[i].start - convlist[i].shift;
+ end_m = convlist[i].end - convlist[i].shift;
+ if (start_m <= code && code <= end_m)
+ return(code + convlist[i].shift);
+ break;
+ default:
+ continue;
+ }
+ }
+
+ return(code);
+}
+
+static unsigned long
+mb_to_gi(
+ unsigned long mb,
+ CodeSet codeset)
+{
+ int i;
+ unsigned long mb_tmp, mask = 0;
+
+ if (codeset->mbconv) {
+ mb_tmp = conv_to_dest(codeset->mbconv, mb);
+ if (mb_tmp != mb)
+ return(mb_tmp);
+ }
+
+ if (codeset->side == XlcC0 || codeset->side == XlcGL ||
+ codeset->side == XlcC1 || codeset->side == XlcGR) {
+
+ for (i = 0; i < codeset->length; i++)
+ mask = (mask << 8) | GL;
+ mb = mb & mask;
+ }
+
+ return(mb);
+}
+
+static unsigned long
+gi_to_mb(
+ unsigned long glyph_index,
+ CodeSet codeset)
+{
+ int i;
+ unsigned long mask = 0;
+
+ if (codeset->side == XlcC1 || codeset->side == XlcGR) {
+ for (i = 0; i < codeset->length; i++)
+ mask = (mask << 8) | GR;
+ glyph_index = glyph_index | mask;
+ }
+
+ if (codeset->mbconv)
+ return( conv_to_source(codeset->mbconv, glyph_index) );
+
+ return(glyph_index);
+}
+
+static Bool
+gi_to_wc(
+ XLCd lcd,
+ unsigned long glyph_index,
+ CodeSet codeset,
+ wchar_t *wc)
+{
+ unsigned char mask = 0;
+ unsigned long wc_encoding = codeset->wc_encoding;
+ int length = codeset->length;
+ unsigned long wc_shift_bits = XLC_GENERIC(lcd, wc_shift_bits);
+
+ mask = (1 << wc_shift_bits) - 1 ;
+
+ for (*wc = 0, length--; length >= 0; length--)
+ *wc = (*wc << wc_shift_bits) | ((glyph_index >> (length * 8 )) & mask);
+
+ *wc = *wc | wc_encoding;
+
+ return(True);
+}
+
+static Bool
+wc_to_gi(
+ XLCd lcd,
+ wchar_t wc,
+ unsigned long *glyph_index,
+ CodeSet *codeset)
+{
+ int i;
+ unsigned char mask = 0;
+ unsigned long wc_encoding;
+ unsigned long wc_encode_mask = XLC_GENERIC(lcd, wc_encode_mask);
+ unsigned long wc_shift_bits = XLC_GENERIC(lcd, wc_shift_bits);
+ int codeset_num = XLC_GENERIC(lcd, codeset_num);
+ CodeSet *codeset_list = XLC_GENERIC(lcd, codeset_list);
+
+ wc_encoding = wc & wc_encode_mask;
+ for (*codeset = NULL, i = 0; i < codeset_num; i++) {
+ if (wc_encoding == codeset_list[i]->wc_encoding) {
+ *codeset = codeset_list[i];
+ break;
+ }
+ }
+ if (*codeset == NULL)
+ return(False);
+
+ mask = (1 << wc_shift_bits) - 1 ;
+
+ wc = wc & ~wc_encode_mask;
+ for (*glyph_index = 0, i = (*codeset)->length - 1; i >= 0; i--)
+ *glyph_index = (*glyph_index << 8) |
+ ( ((unsigned long)wc >> (i * wc_shift_bits)) & mask );
+
+ return(True);
+}
+
+static CodeSet
+mb_parse_codeset(
+ State state,
+ int num,
+ const char **inbufptr,
+ int *from_left)
+{
+ int len;
+ int from_len = (*from_left) + 1;
+ const char *src = (*inbufptr) - 1;
+ ParseInfo *mb_parse_list = XLC_GENERIC(state->lcd, mb_parse_list);
+ ParseInfo parse_info;
+ CodeSet codeset;
+
+ for (--num ; (parse_info = mb_parse_list[num]) != NULL; num++) {
+ len = compare(src, parse_info->encoding, from_len);
+ if (len > 0) {
+ codeset = parse_info->codeset;
+ if (parse_info->type == E_LSL)
+ state->GL_codeset = codeset;
+ else if (parse_info->type == E_LSR)
+ state->GR_codeset = codeset;
+ --len;
+ *inbufptr += len;
+ *from_left -= len;
+ return codeset;
+ }
+ }
+ return (CodeSet) NULL;
+}
+
+static CodeSet
+byteM_parse_codeset(
+ XLCd lcd,
+ const char *inbufptr)
+{
+ unsigned char ch;
+ CodeSet codeset;
+ ByteInfoList byteM;
+ ByteInfoListRec byteM_rec;
+ ByteInfo byteinfo;
+ ByteInfoRec byteinfo_rec;
+ Bool hit = False;
+ int i, j, k;
+
+ int codeset_num = XLC_GENERIC(lcd, codeset_num);
+ CodeSet *codeset_list = XLC_GENERIC(lcd, codeset_list);
+
+ for (i = 0; i < codeset_num; i++) {
+ codeset = codeset_list[i];
+ byteM = codeset->byteM;
+ if (codeset->side != XlcNONE || byteM == NULL)
+ continue;
+
+ for (j = 0; j < codeset->length; j++) {
+ ch = *((unsigned char *)(inbufptr + j));
+ byteM_rec = byteM[j];
+ byteinfo = byteM_rec.byteinfo;
+
+ for (hit = False, k = 0; k < byteM_rec.byteinfo_num; k++) {
+ byteinfo_rec = byteinfo[k];
+ if (byteinfo_rec.start <= ch && ch <= byteinfo_rec.end) {
+ hit = True;
+ break;
+ }
+ }
+
+ if (!hit)
+ break;
+ }
+
+ if (hit)
+ return(codeset);
+ }
+
+ return(NULL);
+}
+
+#define GLGR_parse_codeset(ch) \
+ (isrightside(ch) ? (state->GR_codeset) : \
+ (state->GL_codeset) )
+
+static XlcCharSet
+gi_parse_charset(
+ unsigned long glyph_index,
+ CodeSet codeset)
+{
+ int i;
+ XlcCharSet *charset_list = codeset->charset_list;
+ int num_charsets = codeset->num_charsets;
+ ExtdSegment ctextseg = codeset->ctextseg;
+ XlcCharSet charset = NULL;
+ int area_num;
+ FontScope area;
+
+ /* lockup ct sequence */
+ for (i = 0; i < num_charsets; i++) {
+ charset = charset_list[i];
+ if (*charset->ct_sequence != '\0')
+ break;
+ }
+ if (i >= num_charsets)
+ return(NULL);
+
+ if (charset->source != CSsrcStd)
+ return (charset);
+
+ if (!ctextseg)
+ return(charset);
+
+ area = ctextseg->area;
+ area_num = ctextseg->area_num;
+
+ for (i = 0; i < area_num; i++) {
+
+ if (area[i].start <= glyph_index && glyph_index <= area[i].end) {
+
+ charset = ctextseg->charset;
+
+ if (*charset->ct_sequence == '\0')
+ return(NULL);
+
+ break;
+ }
+ }
+
+ return(charset);
+}
+
+static Bool
+ct_parse_csi(
+ const char *inbufptr,
+ int *ctr_seq_len)
+{
+ int i;
+ int num = sizeof(directionality_data) / sizeof(directionality_data[0]);
+
+ for (i = 0; i < num; i++) {
+ if ( !(*ctr_seq_len = strlen(directionality_data[i].encoding)) )
+ continue;
+
+ if ( strncmp(inbufptr, directionality_data[i].encoding,
+ *ctr_seq_len) == 0)
+ return(True);
+ }
+
+ return(False);
+}
+
+static int
+cmp_esc_sequence(
+ const char *inbufptr,
+ XlcCharSet charset)
+{
+ int seq_len, name_len, total_len;
+ unsigned char byte_m, byte_l;
+ const char *ct_sequence = charset->ct_sequence;
+ const char *encoding_name = charset->encoding_name;
+
+ /* check esc sequence */
+ if ( !(seq_len = strlen(ct_sequence) ) )
+ return(0);
+ if ( strncmp(inbufptr, ct_sequence, seq_len) != 0)
+ return(0);
+
+ /* Standard Character Set Encoding ? */
+ if (charset->source == CSsrcStd)
+ return(seq_len);
+
+ /*
+ * Non-Standard Character Set Encoding
+ *
+ * +--- ---+-----+-----+-----+---- ----+-----+-----+------- ------+
+ * | ctseq | M | L | encoding name | STX | contents |
+ * +--- ---+-----+-----+-----+---- ----+-----+-----+------- ------+
+ * 4bytes 1byte 1byte variable length 1byte variable length
+ * | |
+ * +----------------------------------------------+
+ * rest length = ((M - 128) * 128) + (L - 128)
+ */
+
+ /* get length of encoding name */
+ inbufptr += seq_len;
+ byte_m = *inbufptr++;
+ byte_l = *inbufptr++;
+ name_len = strlen(encoding_name);
+
+ if (((byte_m - 128) * 128 + (byte_l - 128) - 1) < name_len)
+ return(0);
+
+ if ( _XlcNCompareISOLatin1(inbufptr, encoding_name, name_len) != 0 )
+ return(0);
+
+ /* check STX (Start of Text) */
+ inbufptr = inbufptr + name_len;
+ if ( *inbufptr != STX )
+ return(0);
+
+ total_len = seq_len + name_len + 3;
+ return(total_len);
+}
+
+static Bool
+ct_parse_charset(
+ XLCd lcd,
+ const char *inbufptr,
+ XlcCharSet *charset,
+ int *ctr_seq_len)
+{
+ int i, j;
+ ExtdSegment ctextseg;
+ int num_charsets;
+ XlcCharSet *charset_list;
+ CodeSet codeset;
+ int codeset_num = XLC_GENERIC(lcd, codeset_num);
+ CodeSet *codeset_list = XLC_GENERIC(lcd, codeset_list);
+ int segment_conv_num = XLC_GENERIC(lcd, segment_conv_num);
+ SegConv segment_conv = XLC_GENERIC(lcd, segment_conv);
+
+ /* get charset from XLC_XLOCALE by escape sequence */
+
+ for (i = 0; i < codeset_num; i++) {
+ codeset = codeset_list[i];
+
+ num_charsets = codeset->num_charsets;
+ charset_list = codeset->charset_list;
+ ctextseg = codeset->ctextseg;
+
+ for (j = 0; j < num_charsets; j++) {
+ *charset = charset_list[j];
+ if ((*ctr_seq_len = cmp_esc_sequence(inbufptr, *charset)))
+ return(True);
+ }
+
+ if (ctextseg) {
+ *charset = ctextseg->charset;
+ if ((*ctr_seq_len = cmp_esc_sequence(inbufptr, *charset)))
+ return(True);
+ }
+ }
+
+ /* get charset from XLC_SEGMENTCONVERSION by escape sequence */
+
+ if (!segment_conv)
+ return(False);
+
+ for (i = 0; i < segment_conv_num; i++) {
+ *charset = segment_conv[i].source;
+ if ((*ctr_seq_len = cmp_esc_sequence(inbufptr, *charset)))
+ return(True);
+ *charset = segment_conv[i].dest;
+ if ((*ctr_seq_len = cmp_esc_sequence(inbufptr, *charset)))
+ return(True);
+ }
+
+ return(False);
+}
+
+static Bool
+segment_conversion(
+ XLCd lcd,
+ XlcCharSet *charset,
+ unsigned long *glyph_index)
+{
+ int i;
+ int segment_conv_num = XLC_GENERIC(lcd, segment_conv_num);
+ SegConv segment_conv = XLC_GENERIC(lcd, segment_conv);
+ FontScopeRec range;
+ ConversionRec conv_rec;
+
+ if (!segment_conv)
+ return(True);
+
+ for (i = 0; i < segment_conv_num; i++) {
+ if (segment_conv[i].source == *charset)
+ break;
+ }
+
+ if (i >= segment_conv_num)
+ return(True);
+
+ range = segment_conv[i].range;
+ if (*glyph_index < range.start || range.end < *glyph_index)
+ return(True);
+
+ *charset = segment_conv[i].dest;
+ conv_rec.conv_num = segment_conv[i].conv_num;
+ conv_rec.convlist = segment_conv[i].conv;
+ *glyph_index = conv_to_dest(&conv_rec, *glyph_index);
+
+ return(True);
+}
+
+static CodeSet
+_XlcGetCodeSetFromName(
+ XLCd lcd,
+ const char *name)
+{
+ int i, j;
+ XlcCharSet charset;
+ int num_charsets;
+ XlcCharSet *charset_list;
+ CodeSet codeset;
+
+ int codeset_num = XLC_GENERIC(lcd, codeset_num);
+ CodeSet *codeset_list = XLC_GENERIC(lcd, codeset_list);
+
+ for (i = 0; i < codeset_num; i++) {
+ codeset = codeset_list[i];
+
+ num_charsets = codeset->num_charsets;
+ charset_list = codeset->charset_list;
+
+ for (j = 0; j < num_charsets; j++) {
+ charset = charset_list[j];
+
+ if (!strlen(charset->name))
+ continue;
+ if ( strcmp(charset->name, name) == 0)
+ return(codeset);
+ }
+ }
+
+ return(NULL);
+}
+
+static Bool
+_XlcGetCodeSetFromCharSet(
+ XLCd lcd,
+ XlcCharSet charset,
+ CodeSet *codeset,
+ unsigned long *glyph_index)
+{
+ int j, num;
+ CodeSet *codeset_list = XLC_GENERIC(lcd, codeset_list);
+ XlcCharSet *charset_list;
+ int codeset_num, num_charsets;
+ Conversion ctconv;
+ unsigned long glyph_index_tmp = 0;
+ ExtdSegment ctextseg;
+
+ codeset_num = XLC_GENERIC(lcd, codeset_num);
+
+ for (num = 0 ; num < codeset_num; num++) {
+ *codeset = codeset_list[num];
+ ctconv = (*codeset)->ctconv;
+ ctextseg = (*codeset)->ctextseg;
+
+ num_charsets = (*codeset)->num_charsets;
+ charset_list = (*codeset)->charset_list;
+
+ glyph_index_tmp = conv_to_source(ctconv, *glyph_index);
+
+ if (charset->source == CSsrcStd) {
+
+ /* Standard Character Set Encoding */
+ if (glyph_index_tmp == *glyph_index) {
+ for (j = 0; j < num_charsets; j++) {
+ if (charset_list[j] == charset) {
+ goto end_loop;
+ }
+ }
+ }
+
+ } else {
+
+ /* Non-Standard Character Set Encoding */
+ for (j = 0; j < num_charsets; j++) {
+ if (charset_list[j] == charset) {
+ goto end_loop;
+ }
+ }
+
+ if (glyph_index_tmp != *glyph_index) {
+ if (ctextseg && ctextseg->charset == charset) {
+ goto end_loop;
+ }
+ }
+
+ }
+
+ }
+
+end_loop:
+ if (num < codeset_num) {
+ *glyph_index = glyph_index_tmp;
+ return(True);
+ }
+
+ return(False);
+}
+
+#define check_string_encoding(codeset) (codeset->string_encoding)
+
+static void
+output_ulong_value(
+ char *outbufptr,
+ unsigned long code,
+ int length,
+ XlcSide side)
+{
+ int i;
+
+ for (i = (length - 1) * 8; i >= 0; i -= 8) {
+ *outbufptr = ( code >> i) & 0xff;
+
+ if (side == XlcC0 || side == XlcGL) {
+ *outbufptr = *outbufptr & GL;
+ } else if (side == XlcC1 || side == XlcGR) {
+ *outbufptr = *outbufptr | GR;
+ }
+
+ outbufptr++;
+ }
+}
+
+/* -------------------------------------------------------------------------- */
+/* Init */
+/* -------------------------------------------------------------------------- */
+
+static XlcCharSet default_GL_charset = 0;
+static XlcCharSet default_GR_charset = 0;
+
+static void
+init_state(
+ XlcConv conv)
+{
+ State state = (State) conv->state;
+
+ /* for CT */
+ state->charset = NULL;
+ state->GL_charset = default_GL_charset;
+ state->GR_charset = default_GR_charset;
+
+ /* for MB shift state */
+ state->GL_codeset = XLC_GENERIC(state->lcd, initial_state_GL);
+ state->GR_codeset = XLC_GENERIC(state->lcd, initial_state_GR);
+}
+
+/* -------------------------------------------------------------------------- */
+/* Convert */
+/* -------------------------------------------------------------------------- */
+
+static int
+mbstowcs_org(
+ XlcConv conv,
+ XPointer *from,
+ int *from_left,
+ XPointer *to,
+ int *to_left,
+ XPointer *args,
+ int num_args)
+{
+ State state = (State) conv->state;
+ XLCd lcd = state->lcd;
+
+ unsigned char ch;
+ unsigned long mb = 0;
+ wchar_t wc;
+
+ int length = 0, len_left = 0;
+ int unconv_num = 0;
+ int num;
+
+ CodeSet codeset = NULL;
+
+ const char *inbufptr = *from;
+ wchar_t *outbufptr = (wchar_t *) *to;
+ int from_size = *from_left;
+
+ unsigned char *mb_parse_table = XLC_GENERIC(lcd, mb_parse_table);
+
+ if (from == NULL || *from == NULL) {
+ _XlcResetConverter(conv);
+ return( 0 );
+ }
+
+ if (*from_left > *to_left)
+ *from_left = *to_left;
+
+ while (*from_left && *to_left) {
+
+ ch = *inbufptr++;
+ (*from_left)--;
+
+ /* null ? */
+ if (!ch) {
+ if (outbufptr) {*outbufptr++ = L'\0';}
+ (*to_left)--;
+
+ /* error check */
+ if (len_left) {
+ unconv_num += (length - len_left);
+ len_left = 0;
+ }
+
+ continue;
+ }
+
+ /* same mb char data */
+ if (len_left)
+ goto output_one_wc;
+
+ /* next mb char data for single shift ? */
+ if (mb_parse_table && (num = mb_parse_table[ch]) ) {
+ codeset = mb_parse_codeset(state, num, &inbufptr, from_left);
+ if (codeset != NULL) {
+ length = len_left = codeset->length;
+ mb = 0;
+ continue;
+ }
+ }
+
+ /* next mb char data for byteM ? */
+ if ((codeset = byteM_parse_codeset(lcd, (inbufptr - 1))))
+ goto next_mb_char;
+
+ /* next mb char data for GL or GR side ? */
+ if ((codeset = GLGR_parse_codeset(ch)))
+ goto next_mb_char;
+
+ /* can't find codeset for the ch */
+ unconv_num++;
+ continue;
+
+next_mb_char:
+ length = len_left = codeset->length;
+ mb = 0;
+
+output_one_wc:
+ mb = (mb << 8) | ch; /* 1 byte left shift */
+ len_left--;
+
+ /* last of one mb char data */
+ if (!len_left) {
+ gi_to_wc(lcd, mb_to_gi(mb, codeset), codeset, &wc);
+ if (outbufptr) {*outbufptr++ = wc;}
+ (*to_left)--;
+ }
+
+ } /* end of while */
+
+ /* error check on last char */
+ if (len_left) {
+ inbufptr -= (length - len_left);
+ (*from_left) += (length - len_left);
+ unconv_num += (length - len_left);
+ }
+
+ *from = (XPointer) ((const char *) *from + from_size);
+ *from_left = 0;
+ *to = (XPointer) outbufptr;
+
+ return unconv_num;
+}
+
+static int
+stdc_mbstowcs(
+ XlcConv conv,
+ XPointer *from,
+ int *from_left,
+ XPointer *to,
+ int *to_left,
+ XPointer *args,
+ int num_args)
+{
+ const char *src = *((const char **) from);
+ wchar_t *dst = *((wchar_t **) to);
+ int src_left = *from_left;
+ int dst_left = *to_left;
+ int length, unconv_num = 0;
+
+ while (src_left > 0 && dst_left > 0) {
+ length = mbtowc(dst, src, src_left);
+
+ if (length > 0) {
+ src += length;
+ src_left -= length;
+ if (dst)
+ dst++;
+ dst_left--;
+ } else if (length < 0) {
+ src++;
+ src_left--;
+ unconv_num++;
+ } else {
+ /* null ? */
+ src++;
+ src_left--;
+ if (dst)
+ *dst++ = L'\0';
+ dst_left--;
+ }
+ }
+
+ *from = (XPointer) src;
+ if (dst)
+ *to = (XPointer) dst;
+ *from_left = src_left;
+ *to_left = dst_left;
+
+ return unconv_num;
+}
+
+static int
+wcstombs_org(
+ XlcConv conv,
+ XPointer *from,
+ int *from_left,
+ XPointer *to,
+ int *to_left,
+ XPointer *args,
+ int num_args)
+{
+ State state = (State) conv->state;
+ XLCd lcd = state->lcd;
+
+ char *encoding;
+ unsigned long mb, glyph_index;
+ wchar_t wc;
+
+ int length;
+ int unconv_num = 0;
+
+ CodeSet codeset;
+
+ const wchar_t *inbufptr = (const wchar_t *) *from;
+ char *outbufptr = *to;
+ int from_size = *from_left;
+
+ const char *default_string = XLC_PUBLIC(lcd, default_string);
+ int defstr_len = strlen(default_string);
+
+
+ if (*from_left > *to_left)
+ *from_left = *to_left;
+
+ while (*from_left && *to_left) {
+
+ wc = *inbufptr++;
+ (*from_left)--;
+
+ /* null ? */
+ if (!wc) {
+ if (outbufptr) {*outbufptr++ = '\0';}
+ (*to_left)--;
+
+ continue;
+ }
+
+ /* convert */
+ if ( !wc_to_gi(lcd, wc, &glyph_index, &codeset) ) {
+
+ /* output default_string of XDefaultString() */
+ if (*to_left < defstr_len)
+ break;
+ if (outbufptr) {
+ strncpy((char *)outbufptr, default_string, defstr_len);
+ outbufptr += defstr_len;
+ }
+ (*to_left) -= defstr_len;
+
+ unconv_num++;
+
+ } else {
+ mb = gi_to_mb(glyph_index, codeset);
+ if (codeset->parse_info) {
+ Bool need_shift = False;
+ switch (codeset->parse_info->type) {
+ case E_LSL :
+ if (codeset != state->GL_codeset) {
+ need_shift = True;
+ state->GL_codeset = codeset;
+ }
+ break;
+ case E_LSR :
+ if (codeset != state->GR_codeset) {
+ need_shift = True;
+ state->GR_codeset = codeset;
+ }
+ break;
+ /* case E_SS */
+ default:
+ need_shift = True;
+ }
+
+ /* output shift sequence */
+ if (need_shift) {
+ encoding = codeset->parse_info->encoding;
+ length = strlen(encoding);
+ if (*to_left < length)
+ break;
+ if (outbufptr) {
+ strncpy((char *)outbufptr, encoding, length);
+ outbufptr += length;
+ }
+ (*to_left) -= length;
+ }
+ }
+
+ /* output characters */
+ length = codeset->length;
+ if (*to_left < length)
+ break;
+
+ if (outbufptr) {
+ output_ulong_value(outbufptr, mb, length, XlcNONE);
+ outbufptr += length;
+ }
+
+ (*to_left) -= length;
+ }
+
+ } /* end of while */
+
+ *from = (XPointer) ((const wchar_t *) *from + from_size);
+ *from_left = 0;
+ *to = (XPointer) outbufptr;
+
+ return unconv_num;
+}
+
+static int
+stdc_wcstombs(
+ XlcConv conv,
+ XPointer *from,
+ int *from_left,
+ XPointer *to,
+ int *to_left,
+ XPointer *args,
+ int num_args)
+{
+ const wchar_t *src = *((const wchar_t **) from);
+ char *dst = *((char **) to);
+ int src_left = *from_left;
+ int dst_left = *to_left;
+ int length, unconv_num = 0;
+
+ while (src_left > 0 && dst_left >= MB_CUR_MAX) {
+ length = wctomb(dst, *src); /* XXX */
+
+ if (length > 0) {
+ src++;
+ src_left--;
+ if (dst)
+ dst += length;
+ dst_left -= length;
+ } else if (length < 0) {
+ src++;
+ src_left--;
+ unconv_num++;
+ }
+ }
+
+ *from = (XPointer) src;
+ if (dst)
+ *to = (XPointer) dst;
+ *from_left = src_left;
+ *to_left = dst_left;
+
+ return unconv_num;
+}
+
+static int
+wcstocts(
+ XlcConv conv,
+ XPointer *from,
+ int *from_left,
+ XPointer *to,
+ int *to_left,
+ XPointer *args,
+ int num_args)
+{
+ State state = (State) conv->state;
+ XLCd lcd = state->lcd;
+
+ unsigned long glyph_index;
+ wchar_t wc;
+
+ int total_len, seq_len, name_len;
+ int unconv_num = 0;
+ Bool first_flag = True, standard_flag;
+ XlcSide side;
+
+ CodeSet codeset;
+ XlcCharSet charset, old_charset = NULL;
+ const char *ct_sequence;
+
+ const wchar_t *inbufptr = (const wchar_t *) *from;
+ char *outbufptr = *to;
+ int from_size = *from_left;
+ char *ext_seg_len = NULL;
+
+ if (*from_left > *to_left)
+ *from_left = *to_left;
+
+ while (*from_left && *to_left) {
+
+ wc = *inbufptr++;
+ (*from_left)--;
+
+ /* null ? */
+ if (!wc) {
+ if (outbufptr) {*outbufptr++ = '\0';}
+ (*to_left)--;
+
+ continue;
+ }
+
+ /* convert */
+ if ( !wc_to_gi(lcd, wc, &glyph_index, &codeset) ) {
+ unconv_num++;
+ continue;
+ }
+
+ /* parse charset */
+ if ( !(charset = gi_parse_charset(glyph_index, codeset)) ) {
+ unconv_num++;
+ continue;
+ }
+
+ /* Standard Character Set Encoding ? */
+ standard_flag = charset->source == CSsrcStd ? True : False;
+
+ /*
+ * Non-Standard Character Set Encoding
+ *
+ * +-----+-----+-----+-----+-----+-----+-----+---- ----+-----+-----+
+ * | esc sequence | M | L | encoding name | STX |
+ * +-----+-----+-----+-----+-----+-----+-----+---- ----+-----+-----+
+ * 4bytes 1byte 1byte variable length 1byte
+ * | |
+ * +-----------------------------------------+
+ * name length = ((M - 128) * 128) + (L - 128)
+ */
+
+ /* make encoding data */
+ ct_sequence = charset->ct_sequence;
+ side = charset->side;
+ seq_len = strlen(ct_sequence);
+ if (standard_flag) {
+ name_len = 0;
+ total_len = seq_len;
+ } else {
+ name_len = strlen(charset->encoding_name) + 1;
+ total_len = seq_len + name_len + 2;
+ }
+
+ /* output escape sequence of CT */
+ if ( (charset != old_charset) &&
+ !(first_flag && charset->string_encoding) ){
+
+ if ( (ext_seg_len != NULL) && outbufptr) {
+ int i = (outbufptr - ext_seg_len) - 2;
+ *ext_seg_len++ = i / 128 + 128;
+ *ext_seg_len = i % 128 + 128;
+ ext_seg_len = NULL;
+ }
+
+ if (*to_left < total_len + 1) {
+ unconv_num++;
+ break;
+ }
+
+ if (outbufptr) {
+ strcpy((char *)outbufptr, ct_sequence);
+ outbufptr += seq_len;
+
+ if (!standard_flag) {
+ const char *i = charset->encoding_name;
+ ext_seg_len = outbufptr;
+ outbufptr += 2;
+ for (; *i ; i++)
+ *outbufptr++ = ((*i >= 'A') && (*i <= 'Z')) ?
+ *i - 'A' + 'a' : *i;
+ *outbufptr++ = STX;
+ }
+ }
+
+ (*to_left) -= total_len;
+
+ first_flag = False;
+ old_charset = charset;
+ }
+
+ /* output glyph index */
+ if (codeset->ctconv)
+ glyph_index = conv_to_dest(codeset->ctconv, glyph_index);
+ if (*to_left < charset->char_size) {
+ unconv_num++;
+ break;
+ }
+
+ if (outbufptr) {
+ output_ulong_value(outbufptr, glyph_index, charset->char_size, side);
+ outbufptr += charset->char_size;
+ }
+
+ (*to_left) -= charset->char_size;
+
+ } /* end of while */
+
+ if ( (ext_seg_len != NULL) && outbufptr) {
+ int i = (outbufptr - ext_seg_len) - 2;
+ *ext_seg_len++ = i / 128 + 128;
+ *ext_seg_len = i % 128 + 128;
+ }
+
+ *from = (XPointer) ((const wchar_t *) *from + from_size);
+ *from_left = 0;
+ *to = (XPointer) outbufptr;
+
+ return unconv_num;
+}
+
+static int
+stdc_wcstocts(
+ XlcConv conv,
+ XPointer *from,
+ int *from_left,
+ XPointer *to,
+ int *to_left,
+ XPointer *args,
+ int num_args)
+{
+ XPointer buf = Xmalloc((*from_left) * MB_CUR_MAX);
+ char *buf_ptr1 = buf;
+ int buf_left1 = (*from_left) * MB_CUR_MAX;
+ char *buf_ptr2 = buf_ptr1;
+ int buf_left2;
+ int unconv_num1 = 0, unconv_num2 = 0;
+
+ unconv_num1 = stdc_wcstombs(conv,
+ from, from_left, &buf_ptr1, &buf_left1, args, num_args);
+ if (unconv_num1 < 0)
+ goto ret;
+
+ buf_left2 = buf_ptr1 - buf_ptr2;
+
+ unconv_num2 = mbstocts(conv,
+ &buf_ptr2, &buf_left2, to, to_left, args, num_args);
+ if (unconv_num2 < 0)
+ goto ret;
+
+ret:
+ if (buf)
+ Xfree((char *)buf);
+
+ return (unconv_num1 + unconv_num2);
+}
+
+static int
+ctstowcs(
+ XlcConv conv,
+ XPointer *from,
+ int *from_left,
+ XPointer *to,
+ int *to_left,
+ XPointer *args,
+ int num_args)
+{
+ State state = (State) conv->state;
+ XLCd lcd = state->lcd;
+
+ unsigned char ch;
+ unsigned long glyph_index = 0;
+ wchar_t wc;
+
+ int ctr_seq_len = 0, gi_len_left = 0, gi_len = 0;
+ int unconv_num = 0;
+
+ CodeSet codeset = NULL;
+ XlcCharSet charset_tmp;
+
+ const char *inbufptr = *from;
+ wchar_t *outbufptr = (wchar_t *) *to;
+ int from_size = *from_left;
+
+ _XlcResetConverter(conv); /* ??? */
+
+ if (from == NULL || *from == NULL) {
+ _XlcResetConverter(conv);
+ return( 0 );
+ }
+
+ if (*from_left > *to_left)
+ *from_left = *to_left;
+
+ while (*from_left && *to_left) {
+
+ ch = *inbufptr++;
+ (*from_left)--;
+
+ /* null ? */
+ if (!ch) {
+ if (outbufptr) {*outbufptr++ = L'\0';}
+ (*to_left)--;
+
+ /* error check */
+ if (gi_len_left) {
+ unconv_num += (gi_len - gi_len_left);
+ gi_len_left = 0;
+ }
+
+ continue;
+ }
+
+ /* same glyph_index data */
+ if (gi_len_left)
+ goto output_one_wc;
+
+ /* control sequence ? */
+ if (ch == CSI) {
+ if ( !ct_parse_csi(inbufptr - 1, &ctr_seq_len) )
+ goto skip_the_seg;
+
+ if (*from_left + 1 < ctr_seq_len) {
+ inbufptr--;
+ (*from_left)++;
+ unconv_num += *from_left;
+ break;
+ }
+
+ /* skip the control sequence */
+ inbufptr += (ctr_seq_len - 1);
+ *from_left -= (ctr_seq_len - 1);
+
+ continue;
+ }
+
+ /* escape sequence ? */
+ if (ch == ESC) {
+ if ( !ct_parse_charset(lcd,
+ inbufptr - 1, &state->charset, &ctr_seq_len) )
+ goto skip_the_seg;
+
+ if (state->charset->side == XlcC0 ||
+ state->charset->side == XlcGL)
+ {
+ state->GL_charset = state->charset;
+ }
+ else if (state->charset->side == XlcC1 ||
+ state->charset->side == XlcGR)
+ {
+ state->GR_charset = state->charset;
+ }
+ else if (state->charset->side == XlcGLGR)
+ {
+ state->GL_charset = state->charset;
+ state->GR_charset = state->charset;
+ }
+
+ if (*from_left + 1 < ctr_seq_len) {
+ inbufptr--;
+ (*from_left)++;
+ unconv_num += *from_left;
+ break;
+ }
+
+ /* skip the escape sequence */
+ inbufptr += (ctr_seq_len - 1);
+ *from_left -= (ctr_seq_len - 1);
+
+ continue;
+ }
+
+ /* check current state */
+ if (isleftside(ch))
+ state->charset = state->GL_charset;
+ else
+ state->charset = state->GR_charset;
+
+ gi_len = gi_len_left = state->charset->char_size;
+ glyph_index = 0;
+
+output_one_wc:
+ if (state->charset->side == XlcC1 || state->charset->side == XlcGR)
+ glyph_index = (glyph_index << 8) | (ch & GL);
+ else
+ glyph_index = (glyph_index << 8) | ch;
+
+ gi_len_left--;
+
+ /* last of one glyph_index data */
+ if (!gi_len_left) {
+
+ /* segment conversion */
+ charset_tmp = state->charset;
+ segment_conversion(lcd, &charset_tmp, &glyph_index);
+
+ /* get codeset */
+ if ( !_XlcGetCodeSetFromCharSet(lcd, charset_tmp,
+ &codeset, &glyph_index) ) {
+ unconv_num += gi_len;
+ continue;
+ }
+
+ /* convert glyph index to wicd char */
+ gi_to_wc(lcd, glyph_index, codeset, &wc);
+ if (outbufptr) {*outbufptr++ = wc;}
+ (*to_left)--;
+ }
+
+ continue;
+
+skip_the_seg:
+ /* skip until next escape or control sequence */
+ while ( *from_left ) {
+ ch = *inbufptr++;
+ (*from_left)--;
+ unconv_num++;
+
+ if (ch == ESC || ch == CSI) {
+ inbufptr--;
+ (*from_left)++;
+ unconv_num--;
+ break;
+ }
+ }
+
+ if ( !(*from_left) )
+ break;
+
+ } /* end of while */
+
+ /* error check on last char */
+ if (gi_len_left) {
+ inbufptr -= (gi_len - gi_len_left);
+ (*from_left) += (gi_len - gi_len_left);
+ unconv_num += (gi_len - gi_len_left);
+ }
+
+ *from = (XPointer) ((const char *) *from + from_size);
+ *from_left = 0;
+ *to = (XPointer) outbufptr;
+
+ return unconv_num;
+}
+
+static int
+cstowcs(
+ XlcConv conv,
+ XPointer *from,
+ int *from_left,
+ XPointer *to,
+ int *to_left,
+ XPointer *args,
+ int num_args)
+{
+ State state = (State) conv->state;
+ XLCd lcd = state->lcd;
+
+ unsigned char ch;
+ unsigned long glyph_index = 0;
+ wchar_t wc;
+ int gi_len_left = 0, gi_len = 0;
+
+ int unconv_num = 0;
+
+ CodeSet codeset = NULL;
+ XlcCharSet charset, charset_tmp;
+
+ const char *inbufptr = *from;
+ wchar_t *outbufptr = (wchar_t *) *to;
+ int from_size = *from_left;
+
+ if (from == NULL || *from == NULL) {
+ return( 0 );
+ }
+
+ charset = (XlcCharSet) args[0];
+
+ while (*from_left && *to_left) {
+
+ if (!gi_len_left) {
+ gi_len_left = gi_len = charset->char_size;
+ glyph_index = 0;
+ }
+
+ ch = *inbufptr++;
+ (*from_left)--;
+
+ /* null ? */
+ if (!ch) {
+ if (outbufptr) {*outbufptr++ = L'\0';}
+ (*to_left)--;
+
+ /* error check */
+ if (gi_len_left) {
+ unconv_num += (gi_len - gi_len_left);
+ gi_len_left = 0;
+ }
+ continue;
+ }
+
+ if (charset->side == XlcC1 || charset->side == XlcGR)
+ glyph_index = (glyph_index << 8) | (ch & GL);
+ else
+ glyph_index = (glyph_index << 8) | ch;
+
+ gi_len_left--;
+
+ /* last of one glyph_index data */
+ if (!gi_len_left) {
+
+ /* segment conversion */
+ charset_tmp = charset;
+ segment_conversion(lcd, &charset_tmp, &glyph_index);
+
+ /* get codeset */
+ if ( !_XlcGetCodeSetFromCharSet(lcd, charset_tmp,
+ &codeset, &glyph_index) ) {
+ unconv_num += gi_len;
+ continue;
+ }
+
+ /* convert glyph index to wicd char */
+ gi_to_wc(lcd, glyph_index, codeset, &wc);
+ if (outbufptr) {*outbufptr++ = wc;}
+ (*to_left)--;
+ }
+
+ } /* end of while */
+
+ /* error check on last char */
+ if (gi_len_left) {
+ inbufptr -= (gi_len - gi_len_left);
+ (*from_left) += (gi_len - gi_len_left);
+ unconv_num += (gi_len - gi_len_left);
+ }
+
+ *from = (XPointer) ((const char *) *from + from_size);
+ *from_left = 0;
+ *to = (XPointer) outbufptr;
+
+ return unconv_num;
+}
+
+static int
+stdc_ctstowcs(
+ XlcConv conv,
+ XPointer *from,
+ int *from_left,
+ XPointer *to,
+ int *to_left,
+ XPointer *args,
+ int num_args)
+{
+ XPointer buf = Xmalloc((*from_left) * MB_CUR_MAX);
+ char *buf_ptr1 = buf;
+ int buf_left1 = (*from_left) * MB_CUR_MAX;
+ char *buf_ptr2 = buf_ptr1;
+ int buf_left2;
+ int unconv_num1 = 0, unconv_num2 = 0;
+
+ unconv_num1 = ctstombs(conv,
+ from, from_left, &buf_ptr1, &buf_left1, args, num_args);
+ if (unconv_num1 < 0)
+ goto ret;
+
+ buf_left2 = buf_ptr1 - buf_ptr2;
+
+ unconv_num2 = stdc_mbstowcs(conv,
+ &buf_ptr2, &buf_left2, to, to_left, args, num_args);
+ if (unconv_num2 < 0)
+ goto ret;
+
+ret:
+ if (buf)
+ Xfree((char *)buf);
+
+ return (unconv_num1 + unconv_num2);
+}
+
+static int
+stdc_cstowcs(
+ XlcConv conv,
+ XPointer *from,
+ int *from_left,
+ XPointer *to,
+ int *to_left,
+ XPointer *args,
+ int num_args)
+{
+ XPointer buf = Xmalloc((*from_left) * MB_CUR_MAX);
+ char *buf_ptr1 = buf;
+ int buf_left1 = (*from_left) * MB_CUR_MAX;
+ char *buf_ptr2 = buf_ptr1;
+ int buf_left2;
+ int unconv_num1 = 0, unconv_num2 = 0;
+
+ unconv_num1 = cstombs(conv,
+ from, from_left, &buf_ptr1, &buf_left1, args, num_args);
+ if (unconv_num1 < 0)
+ goto ret;
+
+ buf_left2 = buf_ptr1 - buf_ptr2;
+
+ unconv_num2 = stdc_mbstowcs(conv,
+ &buf_ptr2, &buf_left2, to, to_left, args, num_args);
+ if (unconv_num2 < 0)
+ goto ret;
+
+ret:
+ if (buf)
+ Xfree((char *)buf);
+
+ return (unconv_num1 + unconv_num2);
+}
+
+static int
+mbstocts(
+ XlcConv conv,
+ XPointer *from,
+ int *from_left,
+ XPointer *to,
+ int *to_left,
+ XPointer *args,
+ int num_args)
+{
+ XPointer buf = Xmalloc((*from_left) * sizeof(wchar_t));
+ char *buf_ptr1 = buf;
+ int buf_left1 = (*from_left);
+ char *buf_ptr2 = buf_ptr1;
+ int buf_left2;
+ int unconv_num1 = 0, unconv_num2 = 0;
+
+ unconv_num1 = mbstowcs_org(conv,
+ from, from_left, &buf_ptr1, &buf_left1, args, num_args);
+ if (unconv_num1 < 0)
+ goto ret;
+
+ buf_left2 = (buf_ptr1 - buf_ptr2) / sizeof(wchar_t);
+
+ unconv_num2 += wcstocts(conv,
+ &buf_ptr2, &buf_left2, to, to_left, args, num_args);
+ if (unconv_num2 < 0)
+ goto ret;
+
+ret:
+ if (buf)
+ Xfree((char *)buf);
+
+ return (unconv_num1 + unconv_num2);
+}
+
+static int
+mbstostr(
+ XlcConv conv,
+ XPointer *from,
+ int *from_left,
+ XPointer *to,
+ int *to_left,
+ XPointer *args,
+ int num_args)
+{
+ State state = (State) conv->state;
+ XLCd lcd = state->lcd;
+
+ unsigned char ch;
+ unsigned long mb = 0;
+
+ int length = 0, len_left = 0;
+ int unconv_num = 0;
+ int num;
+
+ CodeSet codeset = NULL;
+
+ const char *inbufptr = *from;
+ char *outbufptr = *to;
+ int from_size = *from_left;
+
+ unsigned char *mb_parse_table = XLC_GENERIC(lcd, mb_parse_table);
+
+ if (from == NULL || *from == NULL) {
+ _XlcResetConverter(conv);
+ return( 0 );
+ }
+
+ if (*from_left > *to_left)
+ *from_left = *to_left;
+
+ while (*from_left && *to_left) {
+
+ ch = *inbufptr++;
+ (*from_left)--;
+
+ /* null ? */
+ if (!ch) {
+ if (outbufptr) {*outbufptr++ = '\0';}
+ (*to_left)--;
+
+ /* error check */
+ if (len_left) {
+ unconv_num += (length - len_left);
+ len_left = 0;
+ }
+
+ continue;
+ }
+
+ /* same mb char data */
+ if (len_left)
+ goto output_one_mb;
+
+ /* next mb char data for single shift ? */
+ if (mb_parse_table && (num = mb_parse_table[ch]) ) {
+ codeset = mb_parse_codeset(state, num, &inbufptr, from_left);
+ if (codeset != NULL) {
+ length = len_left = codeset->length;
+ mb = 0;
+ continue;
+ }
+ }
+
+ /* next char data : byteM ? */
+ if ((codeset = byteM_parse_codeset(lcd, (inbufptr - 1))))
+ goto next_mb_char;
+
+ /* next char data : GL or GR side ? */
+ if ((codeset = GLGR_parse_codeset(ch)))
+ goto next_mb_char;
+
+ /* can't find codeset for the ch */
+ unconv_num++;
+ continue;
+
+next_mb_char:
+ length = len_left = codeset->length;
+ mb = 0;
+
+output_one_mb:
+ mb = (mb << 8) | ch; /* 1 byte left shift */
+ len_left--;
+
+ /* last of one mb char data */
+ if (!len_left) {
+ if (check_string_encoding(codeset)) {
+ if (outbufptr) {*outbufptr++ = mb & 0xff;}
+ (*to_left)--;
+ } else {
+ unconv_num++;
+ }
+ }
+
+ } /* end of while */
+
+ /* error check on last char */
+ if (len_left) {
+ inbufptr -= (length - len_left);
+ (*from_left) += (length - len_left);
+ unconv_num += (length - len_left);
+ }
+
+ *from = (XPointer) ((const char *) *from + from_size);
+ *from_left = 0;
+ *to = (XPointer) outbufptr;
+
+ return unconv_num;
+}
+
+static int
+mbtocs(
+ XlcConv conv,
+ XPointer *from,
+ int *from_left,
+ XPointer *to,
+ int *to_left,
+ XPointer *args,
+ int num_args)
+{
+ State state = (State) conv->state;
+ XLCd lcd = state->lcd;
+
+ unsigned char ch;
+ unsigned long mb = 0;
+ unsigned long glyph_index;
+
+ int length = 0, len_left = 0, char_len;
+ int unconv_num = 0;
+ int num;
+ XlcSide side;
+
+ CodeSet codeset = NULL;
+ XlcCharSet charset = NULL;
+
+ const char *inbufptr = *from;
+ char *outbufptr = *to;
+ int from_size = *from_left;
+
+ unsigned char *mb_parse_table = XLC_GENERIC(lcd, mb_parse_table);
+
+ if (from == NULL || *from == NULL) {
+ _XlcResetConverter(conv);
+ return( 0 );
+ }
+
+ if (*from_left > *to_left)
+ *from_left = *to_left;
+
+ while (*from_left && *to_left) {
+
+ ch = *inbufptr++;
+ (*from_left)--;
+
+ /* null ? */
+ if (!ch) {
+ unconv_num = 1;
+ if (len_left)
+ unconv_num += (length - len_left);
+ break;
+ }
+
+ /* same mb char data */
+ if (len_left)
+ goto output;
+
+ /* next mb char data for single shift ? */
+ if (mb_parse_table && (num = mb_parse_table[ch]) ) {
+ codeset = mb_parse_codeset(state, num, &inbufptr, from_left);
+ if (codeset != NULL) {
+ length = len_left = codeset->length;
+ mb = 0;
+ continue;
+ }
+ }
+
+ /* next mb char data for byteM ? */
+ if ((codeset = byteM_parse_codeset(lcd, (inbufptr - 1))))
+ goto next_mb_char;
+
+ /* next mb char data for GL or GR side ? */
+ if ((codeset = GLGR_parse_codeset(ch)))
+ goto next_mb_char;
+
+ /* can't find codeset for the ch */
+ unconv_num = 1;
+ break;
+
+next_mb_char:
+ length = len_left = codeset->length;
+ mb = 0;
+
+output:
+ mb = (mb << 8) | ch; /* 1 byte left shift */
+ len_left--;
+
+ /* last of one mb char data */
+ if (!len_left) {
+ glyph_index = mb_to_gi(mb, codeset);
+ if (!(charset = gi_parse_charset(glyph_index, codeset))) {
+ unconv_num = length;
+ break;
+ }
+ char_len = charset->char_size;
+ side = charset->side;
+
+ /* output glyph index */
+ if (codeset->ctconv)
+ glyph_index = conv_to_dest(codeset->ctconv, glyph_index);
+ if (*to_left < char_len) {
+ unconv_num = length;
+ break;
+ }
+
+ if (outbufptr) {
+ output_ulong_value(outbufptr, glyph_index, char_len, side);
+ outbufptr += char_len;
+ }
+
+ (*to_left) -= char_len;
+
+ break;
+ }
+
+ } /* end of while */
+
+ /* error end */
+ if (unconv_num) {
+ *from = (XPointer) ((const char *) *from + from_size);
+ *from_left = 0;
+ *to = (XPointer) outbufptr;
+ return -1;
+ }
+
+ /* nomal end */
+ *from = (XPointer) inbufptr;
+ *to = (XPointer) outbufptr;
+
+ if (num_args > 0)
+ *((XlcCharSet *) args[0]) = charset;
+
+ return 0;
+}
+
+static int
+mbstocs(
+ XlcConv conv,
+ XPointer *from,
+ int *from_left,
+ XPointer *to,
+ int *to_left,
+ XPointer *args,
+ int num_args)
+{
+ int ret;
+ XlcCharSet charset_old, charset = NULL;
+ XPointer tmp_args[1];
+
+ const char *inbufptr;
+ int in_left;
+ char *outbufptr;
+ int out_left;
+ tmp_args[0] = (XPointer) &charset;
+
+ ret = mbtocs(conv, from, from_left, to, to_left, tmp_args, 1);
+ charset_old = charset;
+
+ while ( ret == 0 && *from_left && *to_left) {
+ inbufptr = *from;
+ in_left = *from_left;
+ outbufptr = *to;
+ out_left = *to_left;
+ ret = mbtocs(conv, from, from_left, to, to_left, tmp_args, 1);
+ if (charset_old != charset) {
+ *from = (XPointer) inbufptr;
+ *from_left = in_left;
+ *to = (XPointer) outbufptr;
+ *to_left = out_left;
+ break;
+ }
+ }
+
+ if (num_args > 0)
+ *((XlcCharSet *) args[0]) = charset_old;
+
+ /* error end */
+ if (ret != 0)
+ return( -1 );
+
+ return(0);
+}
+
+static int
+wcstostr(
+ XlcConv conv,
+ XPointer *from,
+ int *from_left,
+ XPointer *to,
+ int *to_left,
+ XPointer *args,
+ int num_args)
+{
+ State state = (State) conv->state;
+ XLCd lcd = state->lcd;
+
+ char *encoding;
+ unsigned long mb, glyph_index;
+ wchar_t wc;
+
+ int length;
+ int unconv_num = 0;
+
+ CodeSet codeset;
+
+ const wchar_t *inbufptr = (const wchar_t *) *from;
+ char *outbufptr = *to;
+ int from_size = *from_left;
+
+ const char *default_string = XLC_PUBLIC(lcd, default_string);
+ int defstr_len = strlen(default_string);
+
+
+ if (*from_left > *to_left)
+ *from_left = *to_left;
+
+ while (*from_left && *to_left) {
+
+ wc = *inbufptr++;
+ (*from_left)--;
+
+ /* null ? */
+ if (!wc) {
+ if (outbufptr) {*outbufptr++ = '\0';}
+ (*to_left)--;
+
+ continue;
+ }
+
+ /* convert */
+ if ( !wc_to_gi(lcd, wc, &glyph_index, &codeset) ) {
+
+ /* output default_string of XDefaultString() */
+ if (*to_left < defstr_len)
+ break;
+ if (outbufptr) {
+ strncpy((char *)outbufptr, default_string, defstr_len);
+ outbufptr += defstr_len;
+ }
+ (*to_left) -= defstr_len;
+
+ unconv_num++;
+
+ } else {
+ mb = gi_to_mb(glyph_index, codeset);
+
+ if (check_string_encoding(codeset)) {
+ if (codeset->parse_info) {
+ Bool need_shift = False;
+ switch (codeset->parse_info->type) {
+ case E_LSL :
+ if (codeset != state->GL_codeset) {
+ need_shift = True;
+ state->GL_codeset = codeset;
+ }
+ break;
+ case E_LSR :
+ if (codeset != state->GR_codeset) {
+ need_shift = True;
+ state->GR_codeset = codeset;
+ }
+ break;
+ /* case E_SS */
+ default:
+ need_shift = True;
+ }
+
+ /* output shift sequence */
+ if (need_shift) {
+ encoding = codeset->parse_info->encoding;
+ length = strlen(encoding);
+ if (*to_left < length)
+ break;
+
+ if (outbufptr) {
+ strncpy((char *)outbufptr, encoding, length);
+ outbufptr += length;
+ }
+ (*to_left) -= length;
+ }
+ }
+
+ /* output characters */
+ length = codeset->length;
+ if (*to_left < length)
+ break;
+
+ if (outbufptr) {
+ output_ulong_value(outbufptr, mb, length, XlcNONE);
+ outbufptr += length;
+ }
+
+ (*to_left) -= length;
+ } else {
+ unconv_num++;
+ }
+ }
+
+ } /* end of while */
+
+ *from = (XPointer) ((const wchar_t *) *from + from_size);
+ *from_left = 0;
+ *to = (XPointer) outbufptr;
+
+ return unconv_num;
+}
+
+static int
+stdc_wcstostr(
+ XlcConv conv,
+ XPointer *from,
+ int *from_left,
+ XPointer *to,
+ int *to_left,
+ XPointer *args,
+ int num_args)
+{
+ XPointer buf = Xmalloc((*from_left) * MB_CUR_MAX);
+ char *buf_ptr1 = buf;
+ int buf_left1 = (*from_left) * MB_CUR_MAX;
+ char *buf_ptr2 = buf_ptr1;
+ int buf_left2;
+ int unconv_num1 = 0, unconv_num2 = 0;
+
+ unconv_num1 = stdc_wcstombs(conv,
+ from, from_left, &buf_ptr1, &buf_left1, args, num_args);
+ if (unconv_num1 < 0)
+ goto ret;
+
+ buf_left2 = buf_ptr1 - buf_ptr2;
+
+ unconv_num2 = mbstostr(conv,
+ &buf_ptr2, &buf_left2, to, to_left, args, num_args);
+ if (unconv_num2 < 0)
+ goto ret;
+
+ret:
+ if (buf)
+ Xfree((char *)buf);
+
+ return (unconv_num1 + unconv_num2);
+}
+
+static int
+wctocs(
+ XlcConv conv,
+ XPointer *from,
+ int *from_left,
+ XPointer *to,
+ int *to_left,
+ XPointer *args,
+ int num_args)
+{
+ State state = (State) conv->state;
+ XLCd lcd = state->lcd;
+
+ wchar_t wc;
+ unsigned long glyph_index;
+
+ int char_len;
+ int unconv_num = 0;
+ XlcSide side;
+
+ CodeSet codeset;
+ XlcCharSet charset = NULL;
+
+ const wchar_t *inbufptr = (const wchar_t *) *from;
+ char *outbufptr = *to;
+ int from_size = *from_left;
+
+ if (*from_left > *to_left)
+ *from_left = *to_left;
+
+ if (*from_left && *to_left) {
+
+ wc = *inbufptr++;
+ (*from_left)--;
+
+ /* null ? */
+ if (!wc) {
+ unconv_num = 1;
+ goto end;
+ }
+
+ /* convert */
+ if ( !wc_to_gi(lcd, wc, &glyph_index, &codeset) ) {
+ unconv_num = 1;
+ goto end;
+ }
+
+ if ( !(charset = gi_parse_charset(glyph_index, codeset)) ) {
+ unconv_num = 1;
+ goto end;
+ }
+ char_len = charset->char_size;
+ side = charset->side;
+
+ /* output glyph index */
+ if (codeset->ctconv)
+ glyph_index = conv_to_dest(codeset->ctconv, glyph_index);
+ if (*to_left < char_len) {
+ unconv_num++;
+ goto end;
+ }
+
+ if (outbufptr) {
+ output_ulong_value(outbufptr, glyph_index, char_len, side);
+ outbufptr += char_len;
+ }
+
+ (*to_left) -= char_len;
+
+ }
+
+end:
+
+ /* error end */
+ if (unconv_num) {
+ *from = (XPointer) ((const wchar_t *) *from + from_size);
+ *from_left = 0;
+ *to = (XPointer) outbufptr;
+ return -1;
+ }
+
+ /* nomal end */
+ *from = (XPointer) inbufptr;
+ *to = (XPointer) outbufptr;
+
+ if (num_args > 0)
+ *((XlcCharSet *) args[0]) = charset;
+
+ return 0;
+}
+
+static int
+stdc_wctocs(
+ XlcConv conv,
+ XPointer *from,
+ int *from_left,
+ XPointer *to,
+ int *to_left,
+ XPointer *args,
+ int num_args)
+{
+ const wchar_t *src = *((const wchar_t **) from);
+ wchar_t wch;
+ XPointer tmp_from, save_from = *from;
+ char tmp[32];
+ int length, ret, src_left = *from_left;
+ int from_size = *from_left;
+
+ if (src_left > 0 && *to_left > 0) {
+ if ((wch = *src)) {
+ length = wctomb(tmp, wch);
+ } else {
+ goto end;
+ }
+
+ if (length < 0)
+ goto end;
+
+ tmp_from = (XPointer) tmp;
+ ret = mbtocs(conv, &tmp_from, &length, to, to_left, args, num_args);
+ if (ret < 0)
+ goto end;
+
+ src++;
+ src_left--;
+ }
+
+end:
+ /* error end */
+ if (save_from == (XPointer) src) {
+ *from = (XPointer) ((const wchar_t *) *from + from_size);
+ *from_left = 0;
+ return -1;
+ }
+
+ /* nomal end */
+ *from = (XPointer) src;
+ *from_left = src_left;
+
+ return 0;
+}
+
+static int
+wcstocs(
+ XlcConv conv,
+ XPointer *from,
+ int *from_left,
+ XPointer *to,
+ int *to_left,
+ XPointer *args,
+ int num_args)
+{
+ int ret;
+ XlcCharSet charset_old, charset = NULL;
+ XPointer tmp_args[1];
+
+ const wchar_t *inbufptr;
+ int in_left;
+ XPointer outbufptr;
+ int out_left;
+ tmp_args[0] = (XPointer) &charset;
+
+ ret = wctocs(conv, from, from_left, to, to_left, tmp_args, 1);
+ charset_old = charset;
+
+ while ( ret == 0 && *from_left && *to_left) {
+ inbufptr = (const wchar_t *) *from;
+ in_left = *from_left;
+ outbufptr = *to;
+ out_left = *to_left;
+ ret = wctocs(conv, from, from_left, to, to_left, tmp_args, 1);
+ if (charset_old != charset) {
+ *from = (XPointer) inbufptr;
+ *from_left = in_left;
+ *to = (XPointer) outbufptr;
+ *to_left = out_left;
+ break;
+ }
+ }
+
+ if (num_args > 0)
+ *((XlcCharSet *) args[0]) = charset_old;
+
+ /* error end */
+ if (ret != 0)
+ return( -1 );
+
+ return(0);
+}
+
+#ifdef STDCVT
+
+static int
+stdc_wcstocs(
+ XlcConv conv,
+ XPointer *from,
+ int *from_left,
+ XPointer *to,
+ int *to_left,
+ XPointer *args,
+ int num_args)
+{
+ int ret;
+ XlcCharSet charset_old, charset = NULL;
+ XPointer tmp_args[1];
+
+ const wchar_t *inbufptr;
+ int in_left;
+ XPointer outbufptr;
+ int out_left;
+ tmp_args[0] = (XPointer) &charset;
+
+ ret = stdc_wctocs(conv, from, from_left, to, to_left, tmp_args, 1);
+ charset_old = charset;
+
+ while ( ret == 0 && *from_left && *to_left ) {
+ inbufptr = (const wchar_t *) *from;
+ in_left = *from_left;
+ outbufptr = *to;
+ out_left = *to_left;
+ ret = stdc_wctocs(conv, from, from_left, to, to_left, tmp_args, 1);
+ if (charset_old != charset) {
+ *from = (XPointer) inbufptr;
+ *from_left = in_left;
+ *to = (XPointer) outbufptr;
+ *to_left = out_left;
+ break;
+ }
+ }
+
+ if (num_args > 0)
+ *((XlcCharSet *) args[0]) = charset_old;
+
+ /* error end */
+ if (ret != 0)
+ return( -1 );
+
+ return(0);
+}
+
+#endif
+
+static int
+ctstombs(
+ XlcConv conv,
+ XPointer *from,
+ int *from_left,
+ XPointer *to,
+ int *to_left,
+ XPointer *args,
+ int num_args)
+{
+ XPointer buf = Xmalloc((*from_left) * sizeof(wchar_t));
+ char *buf_ptr1 = buf;
+ int buf_left1 = (*from_left);
+ char *buf_ptr2 = buf_ptr1;
+ int buf_left2;
+ int unconv_num1 = 0, unconv_num2 = 0;
+
+ unconv_num1 = ctstowcs(conv,
+ from, from_left, &buf_ptr1, &buf_left1, args, num_args);
+ if (unconv_num1 < 0)
+ goto ret;
+
+ buf_left2 = (buf_ptr1 - buf_ptr2) / sizeof(wchar_t);
+
+ unconv_num2 += wcstombs_org(conv,
+ &buf_ptr2, &buf_left2, to, to_left, args, num_args);
+ if (unconv_num2 < 0)
+ goto ret;
+
+ret:
+ if (buf)
+ Xfree((char *)buf);
+
+ return (unconv_num1 + unconv_num2);
+}
+
+static int
+cstombs(
+ XlcConv conv,
+ XPointer *from,
+ int *from_left,
+ XPointer *to,
+ int *to_left,
+ XPointer *args,
+ int num_args)
+{
+ XPointer buf = Xmalloc((*from_left) * sizeof(wchar_t));
+ char *buf_ptr1 = buf;
+ int buf_left1 = (*from_left);
+ char *buf_ptr2 = buf_ptr1;
+ int buf_left2;
+ int unconv_num1 = 0, unconv_num2 = 0;
+
+ unconv_num1 = cstowcs(conv,
+ from, from_left, &buf_ptr1, &buf_left1, args, num_args);
+ if (unconv_num1 < 0)
+ goto ret;
+
+ buf_left2 = (buf_ptr1 - buf_ptr2) / sizeof(wchar_t);
+
+ unconv_num2 += wcstombs_org(conv,
+ &buf_ptr2, &buf_left2, to, to_left, args, num_args);
+ if (unconv_num2 < 0)
+ goto ret;
+
+ret:
+ if (buf)
+ Xfree((char *)buf);
+
+ return (unconv_num1 + unconv_num2);
+}
+
+static int
+strtombs(
+ XlcConv conv,
+ XPointer *from,
+ int *from_left,
+ XPointer *to,
+ int *to_left,
+ XPointer *args,
+ int num_args)
+{
+ State state = (State) conv->state;
+ XLCd lcd = state->lcd;
+
+ char *encoding;
+ unsigned long mb, glyph_index;
+ unsigned char ch;
+
+ int length;
+ int unconv_num = 0;
+
+ CodeSet codeset;
+
+ const char *inbufptr = *from;
+ char *outbufptr = *to;
+ int from_size = *from_left;
+
+ if (*from_left > *to_left)
+ *from_left = *to_left;
+
+ while (*from_left && *to_left) {
+
+ ch = *inbufptr++;
+ (*from_left)--;
+
+ /* null ? */
+ if (!ch) {
+ if (outbufptr) {*outbufptr++ = '\0';}
+ (*to_left)--;
+
+ continue;
+ }
+
+ /* convert */
+ if (isleftside(ch)) {
+ glyph_index = ch;
+ codeset = _XlcGetCodeSetFromName(lcd, "ISO8859-1:GL");
+ } else {
+ glyph_index = ch & GL;
+ codeset = _XlcGetCodeSetFromName(lcd, "ISO8859-1:GR");
+ }
+
+ if (!codeset) {
+ unconv_num++;
+ continue;
+ }
+
+ mb = gi_to_mb(glyph_index, codeset);
+ if (codeset->parse_info) {
+ Bool need_shift = False;
+ switch (codeset->parse_info->type) {
+ case E_LSL :
+ if (codeset != state->GL_codeset) {
+ need_shift = True;
+ state->GL_codeset = codeset;
+ }
+ break;
+ case E_LSR :
+ if (codeset != state->GR_codeset) {
+ need_shift = True;
+ state->GR_codeset = codeset;
+ }
+ break;
+ /* case E_SS */
+ default:
+ need_shift = True;
+ }
+
+ /* output shift sequence */
+ if (need_shift) {
+ encoding = codeset->parse_info->encoding;
+ length = strlen(encoding);
+ if (*to_left < length)
+ break;
+ if (outbufptr) {
+ strncpy((char *)outbufptr, encoding, length);
+ outbufptr += length;
+ }
+ (*to_left) -= length;
+ }
+ }
+
+ /* output characters */
+ length = codeset->length;
+ if (*to_left < length)
+ break;
+
+ if (outbufptr) {
+ output_ulong_value(outbufptr, mb, length, XlcNONE);
+ outbufptr += length;
+ }
+
+ (*to_left) -= length;
+
+ } /* end of while */
+
+ *from = (XPointer) ((const char *) *from + from_size);
+ *from_left = 0;
+ *to = (XPointer) outbufptr;
+
+ return unconv_num;
+}
+
+static int
+strtowcs(
+ XlcConv conv,
+ XPointer *from,
+ int *from_left,
+ XPointer *to,
+ int *to_left,
+ XPointer *args,
+ int num_args)
+{
+ State state = (State) conv->state;
+ XLCd lcd = state->lcd;
+
+ unsigned char ch;
+ unsigned long glyph_index;
+ wchar_t wc;
+
+ int unconv_num = 0;
+ CodeSet codeset;
+
+ const char *inbufptr = *from;
+ wchar_t *outbufptr = (wchar_t *)*to;
+ int from_size = *from_left;
+
+ if (*from_left > *to_left)
+ *from_left = *to_left;
+
+ while (*from_left && *to_left) {
+
+ ch = *inbufptr++;
+ (*from_left)--;
+
+ /* null ? */
+ if (!ch) {
+ if (outbufptr) {*outbufptr++ = L'\0';}
+ (*to_left)--;
+
+ continue;
+ }
+
+ /* convert */
+ if (isleftside(ch)) {
+ glyph_index = ch;
+ codeset = _XlcGetCodeSetFromName(lcd, "ISO8859-1:GL");
+ } else {
+ glyph_index = ch & GL;
+ codeset = _XlcGetCodeSetFromName(lcd, "ISO8859-1:GR");
+ }
+
+ if (!codeset) {
+ unconv_num++;
+ continue;
+ }
+
+ gi_to_wc(lcd, glyph_index, codeset, &wc);
+ if (outbufptr) {*outbufptr++ = wc;}
+ (*to_left)--;
+
+ } /* end of while */
+
+ *from = (XPointer) ((const char *) *from + from_size);
+ *from_left = 0;
+ *to = (XPointer) outbufptr;
+
+ return unconv_num;
+}
+
+static int
+stdc_strtowcs(
+ XlcConv conv,
+ XPointer *from,
+ int *from_left,
+ XPointer *to,
+ int *to_left,
+ XPointer *args,
+ int num_args)
+{
+ XPointer buf = Xmalloc((*from_left) * MB_CUR_MAX);
+ char *buf_ptr1 = buf;
+ int buf_left1 = (*from_left) * MB_CUR_MAX;
+ char *buf_ptr2 = buf_ptr1;
+ int buf_left2;
+ int unconv_num1 = 0, unconv_num2 = 0;
+
+ unconv_num1 = strtombs(conv,
+ from, from_left, &buf_ptr1, &buf_left1, args, num_args);
+ if (unconv_num1 < 0)
+ goto ret;
+
+ buf_left2 = buf_ptr1 - buf_ptr2;
+
+ unconv_num2 = stdc_mbstowcs(conv,
+ &buf_ptr2, &buf_left2, to, to_left, args, num_args);
+ if (unconv_num2 < 0)
+ goto ret;
+
+ret:
+ if (buf)
+ Xfree((char *)buf);
+
+ return (unconv_num1 + unconv_num2);
+}
+
+/* -------------------------------------------------------------------------- */
+/* Close */
+/* -------------------------------------------------------------------------- */
+
+static void
+close_converter(
+ XlcConv conv)
+{
+ if (conv->state) {
+ Xfree((char *) conv->state);
+ }
+
+ if (conv->methods) {
+ Xfree((char *) conv->methods);
+ }
+
+ Xfree((char *) conv);
+}
+
+/* -------------------------------------------------------------------------- */
+/* Open */
+/* -------------------------------------------------------------------------- */
+
+static XlcConv
+create_conv(
+ XLCd lcd,
+ XlcConvMethods methods)
+{
+ XlcConv conv;
+ State state;
+
+ conv = (XlcConv) Xcalloc(1, sizeof(XlcConvRec));
+ if (conv == NULL)
+ return (XlcConv) NULL;
+
+ conv->methods = (XlcConvMethods) Xmalloc(sizeof(XlcConvMethodsRec));
+ if (conv->methods == NULL)
+ goto err;
+ *conv->methods = *methods;
+ conv->methods->reset = init_state;
+
+ conv->state = Xcalloc(1, sizeof(StateRec));
+ if (conv->state == NULL)
+ goto err;
+
+ state = (State) conv->state;
+ state->lcd = lcd;
+
+ _XlcResetConverter(conv);
+
+ return conv;
+
+err:
+ close_converter(conv);
+
+ return (XlcConv) NULL;
+}
+
+static XlcConvMethodsRec mbstocts_methods = {
+ close_converter,
+ mbstocts,
+ NULL
+};
+
+static XlcConv
+open_mbstocts(
+ XLCd from_lcd,
+ const char *from_type,
+ XLCd to_lcd,
+ const char *to_type)
+{
+ return create_conv(from_lcd, &mbstocts_methods);
+}
+
+static XlcConvMethodsRec mbstostr_methods = {
+ close_converter,
+ mbstostr,
+ NULL
+};
+
+static XlcConv
+open_mbstostr(
+ XLCd from_lcd,
+ const char *from_type,
+ XLCd to_lcd,
+ const char *to_type)
+{
+ return create_conv(from_lcd, &mbstostr_methods);
+}
+
+static XlcConvMethodsRec mbstocs_methods = {
+ close_converter,
+ mbstocs,
+ NULL
+};
+
+static XlcConv
+open_mbstocs(
+ XLCd from_lcd,
+ const char *from_type,
+ XLCd to_lcd,
+ const char *to_type)
+{
+ return create_conv(from_lcd, &mbstocs_methods);
+}
+
+static XlcConvMethodsRec mbtocs_methods = {
+ close_converter,
+ mbtocs,
+ NULL
+};
+
+static XlcConv
+open_mbtocs(
+ XLCd from_lcd,
+ const char *from_type,
+ XLCd to_lcd,
+ const char *to_type)
+{
+ return create_conv(from_lcd, &mbtocs_methods);
+}
+
+static XlcConvMethodsRec ctstombs_methods = {
+ close_converter,
+ ctstombs,
+ NULL
+};
+
+static XlcConv
+open_ctstombs(
+ XLCd from_lcd,
+ const char *from_type,
+ XLCd to_lcd,
+ const char *to_type)
+{
+ return create_conv(from_lcd, &ctstombs_methods);
+}
+
+static XlcConvMethodsRec cstombs_methods = {
+ close_converter,
+ cstombs,
+ NULL
+};
+
+static XlcConv
+open_cstombs(
+ XLCd from_lcd,
+ const char *from_type,
+ XLCd to_lcd,
+ const char *to_type)
+{
+ return create_conv(from_lcd, &cstombs_methods);
+}
+
+static XlcConvMethodsRec strtombs_methods = {
+ close_converter,
+ strtombs,
+ NULL
+};
+
+static XlcConv
+open_strtombs(
+ XLCd from_lcd,
+ const char *from_type,
+ XLCd to_lcd,
+ const char *to_type)
+{
+ return create_conv(from_lcd, &strtombs_methods);
+}
+
+#ifdef STDCVT
+
+static XlcConvMethodsRec stdc_mbstowcs_methods = {
+ close_converter,
+ stdc_mbstowcs,
+ NULL
+};
+
+static XlcConv
+open_stdc_mbstowcs(
+ XLCd from_lcd,
+ const char *from_type,
+ XLCd to_lcd,
+ const char *to_type)
+{
+ return create_conv(from_lcd, &stdc_mbstowcs_methods);
+}
+
+static XlcConvMethodsRec stdc_wcstombs_methods = {
+ close_converter,
+ stdc_wcstombs,
+ NULL
+};
+
+static XlcConv
+open_stdc_wcstombs(
+ XLCd from_lcd,
+ const char *from_type,
+ XLCd to_lcd,
+ const char *to_type)
+{
+ return create_conv(from_lcd, &stdc_wcstombs_methods);
+}
+
+static XlcConvMethodsRec stdc_wcstocts_methods = {
+ close_converter,
+ stdc_wcstocts,
+ NULL
+};
+
+static XlcConv
+open_stdc_wcstocts(
+ XLCd from_lcd,
+ const char *from_type,
+ XLCd to_lcd,
+ const char *to_type)
+{
+ return create_conv(from_lcd, &stdc_wcstocts_methods);
+}
+
+static XlcConvMethodsRec stdc_wcstostr_methods = {
+ close_converter,
+ stdc_wcstostr,
+ NULL
+};
+
+static XlcConv
+open_stdc_wcstostr(
+ XLCd from_lcd,
+ const char *from_type,
+ XLCd to_lcd,
+ const char *to_type)
+{
+ return create_conv(from_lcd, &stdc_wcstostr_methods);
+}
+
+static XlcConvMethodsRec stdc_wcstocs_methods = {
+ close_converter,
+ stdc_wcstocs,
+ NULL
+};
+
+static XlcConv
+open_stdc_wcstocs(
+ XLCd from_lcd,
+ const char *from_type,
+ XLCd to_lcd,
+ const char *to_type)
+{
+ return create_conv(from_lcd, &stdc_wcstocs_methods);
+}
+
+static XlcConvMethodsRec stdc_wctocs_methods = {
+ close_converter,
+ stdc_wctocs,
+ NULL
+};
+
+static XlcConv
+open_stdc_wctocs(
+ XLCd from_lcd,
+ const char *from_type,
+ XLCd to_lcd,
+ const char *to_type)
+{
+ return create_conv(from_lcd, &stdc_wctocs_methods);
+}
+
+static XlcConvMethodsRec stdc_ctstowcs_methods = {
+ close_converter,
+ stdc_ctstowcs,
+ NULL
+};
+
+static XlcConv
+open_stdc_ctstowcs(
+ XLCd from_lcd,
+ const char *from_type,
+ XLCd to_lcd,
+ const char *to_type)
+{
+ return create_conv(from_lcd, &stdc_ctstowcs_methods);
+}
+
+static XlcConvMethodsRec stdc_cstowcs_methods = {
+ close_converter,
+ stdc_cstowcs,
+ NULL
+};
+
+static XlcConv
+open_stdc_cstowcs(
+ XLCd from_lcd,
+ const char *from_type,
+ XLCd to_lcd,
+ const char *to_type)
+{
+ return create_conv(from_lcd, &stdc_cstowcs_methods);
+}
+
+static XlcConvMethodsRec stdc_strtowcs_methods = {
+ close_converter,
+ stdc_strtowcs,
+ NULL
+};
+
+static XlcConv
+open_stdc_strtowcs(
+ XLCd from_lcd,
+ const char *from_type,
+ XLCd to_lcd,
+ const char *to_type)
+{
+ return create_conv(from_lcd, &stdc_strtowcs_methods);
+}
+
+#endif /* STDCVT */
+
+static XlcConvMethodsRec mbstowcs_methods = {
+ close_converter,
+ mbstowcs_org,
+ NULL
+};
+
+static XlcConv
+open_mbstowcs(
+ XLCd from_lcd,
+ const char *from_type,
+ XLCd to_lcd,
+ const char *to_type)
+{
+ return create_conv(from_lcd, &mbstowcs_methods);
+}
+
+static XlcConvMethodsRec wcstombs_methods = {
+ close_converter,
+ wcstombs_org,
+ NULL
+};
+
+static XlcConv
+open_wcstombs(
+ XLCd from_lcd,
+ const char *from_type,
+ XLCd to_lcd,
+ const char *to_type)
+{
+ return create_conv(from_lcd, &wcstombs_methods);
+}
+
+static XlcConvMethodsRec wcstocts_methods = {
+ close_converter,
+ wcstocts,
+ NULL
+};
+
+static XlcConv
+open_wcstocts(
+ XLCd from_lcd,
+ const char *from_type,
+ XLCd to_lcd,
+ const char *to_type)
+{
+ return create_conv(from_lcd, &wcstocts_methods);
+}
+
+static XlcConvMethodsRec wcstostr_methods = {
+ close_converter,
+ wcstostr,
+ NULL
+};
+
+static XlcConv
+open_wcstostr(
+ XLCd from_lcd,
+ const char *from_type,
+ XLCd to_lcd,
+ const char *to_type)
+{
+ return create_conv(from_lcd, &wcstostr_methods);
+}
+
+static XlcConvMethodsRec wcstocs_methods = {
+ close_converter,
+ wcstocs,
+ NULL
+};
+
+static XlcConv
+open_wcstocs(
+ XLCd from_lcd,
+ const char *from_type,
+ XLCd to_lcd,
+ const char *to_type)
+{
+ return create_conv(from_lcd, &wcstocs_methods);
+}
+
+static XlcConvMethodsRec wctocs_methods = {
+ close_converter,
+ wctocs,
+ NULL
+};
+
+static XlcConv
+open_wctocs(
+ XLCd from_lcd,
+ const char *from_type,
+ XLCd to_lcd,
+ const char *to_type)
+{
+ return create_conv(from_lcd, &wctocs_methods);
+}
+
+static XlcConvMethodsRec ctstowcs_methods = {
+ close_converter,
+ ctstowcs,
+ NULL
+};
+
+static XlcConv
+open_ctstowcs(
+ XLCd from_lcd,
+ const char *from_type,
+ XLCd to_lcd,
+ const char *to_type)
+{
+ return create_conv(from_lcd, &ctstowcs_methods);
+}
+
+static XlcConvMethodsRec cstowcs_methods = {
+ close_converter,
+ cstowcs,
+ NULL
+};
+
+static XlcConv
+open_cstowcs(
+ XLCd from_lcd,
+ const char *from_type,
+ XLCd to_lcd,
+ const char *to_type)
+{
+ return create_conv(from_lcd, &cstowcs_methods);
+}
+
+static XlcConvMethodsRec strtowcs_methods = {
+ close_converter,
+ strtowcs,
+ NULL
+};
+
+static XlcConv
+open_strtowcs(
+ XLCd from_lcd,
+ const char *from_type,
+ XLCd to_lcd,
+ const char *to_type)
+{
+ return create_conv(from_lcd, &strtowcs_methods);
+}
+
+/* -------------------------------------------------------------------------- */
+/* Loader */
+/* -------------------------------------------------------------------------- */
+
+XLCd
+_XlcGenericLoader(
+ const char *name)
+{
+ XLCd lcd;
+#ifdef STDCVT
+ XLCdGenericPart *gen;
+#endif
+
+ lcd = _XlcCreateLC(name, _XlcGenericMethods);
+
+ if (lcd == NULL)
+ return lcd;
+
+ default_GL_charset = _XlcGetCharSet("ISO8859-1:GL");
+ default_GR_charset = _XlcGetCharSet("ISO8859-1:GR");
+
+ _XlcSetConverter(lcd, XlcNMultiByte, lcd, XlcNCompoundText, open_mbstocts);
+ _XlcSetConverter(lcd, XlcNMultiByte, lcd, XlcNString, open_mbstostr);
+ _XlcSetConverter(lcd, XlcNMultiByte, lcd, XlcNCharSet, open_mbstocs);
+ _XlcSetConverter(lcd, XlcNMultiByte, lcd, XlcNChar, open_mbtocs);
+ _XlcSetConverter(lcd, XlcNCompoundText, lcd, XlcNMultiByte, open_ctstombs);
+ _XlcSetConverter(lcd, XlcNString, lcd, XlcNMultiByte, open_strtombs);
+ _XlcSetConverter(lcd, XlcNCharSet, lcd, XlcNMultiByte, open_cstombs);
+
+#ifdef STDCVT
+ gen = XLC_GENERIC_PART(lcd);
+
+ if (gen->use_stdc_env != True) {
+#endif
+ _XlcSetConverter(lcd, XlcNMultiByte, lcd, XlcNWideChar, open_mbstowcs);
+ _XlcSetConverter(lcd, XlcNWideChar, lcd, XlcNMultiByte, open_wcstombs);
+ _XlcSetConverter(lcd, XlcNWideChar, lcd, XlcNCompoundText, open_wcstocts);
+ _XlcSetConverter(lcd, XlcNWideChar, lcd, XlcNString, open_wcstostr);
+ _XlcSetConverter(lcd, XlcNWideChar, lcd, XlcNCharSet, open_wcstocs);
+ _XlcSetConverter(lcd, XlcNWideChar, lcd, XlcNChar, open_wctocs);
+ _XlcSetConverter(lcd, XlcNCompoundText, lcd, XlcNWideChar, open_ctstowcs);
+ _XlcSetConverter(lcd, XlcNString, lcd, XlcNWideChar, open_strtowcs);
+ _XlcSetConverter(lcd, XlcNCharSet, lcd, XlcNWideChar, open_cstowcs);
+#ifdef STDCVT
+ }
+#endif
+
+#ifdef STDCVT
+ if (gen->use_stdc_env == True) {
+ _XlcSetConverter(lcd, XlcNMultiByte, lcd, XlcNWideChar, open_stdc_mbstowcs);
+ _XlcSetConverter(lcd, XlcNWideChar, lcd, XlcNMultiByte, open_stdc_wcstombs);
+ _XlcSetConverter(lcd, XlcNWideChar, lcd, XlcNCompoundText, open_stdc_wcstocts);
+ _XlcSetConverter(lcd, XlcNWideChar, lcd, XlcNString, open_stdc_wcstostr);
+ _XlcSetConverter(lcd, XlcNWideChar, lcd, XlcNCharSet, open_stdc_wcstocs);
+ _XlcSetConverter(lcd, XlcNWideChar, lcd, XlcNChar, open_stdc_wctocs);
+ _XlcSetConverter(lcd, XlcNCompoundText, lcd, XlcNWideChar, open_stdc_ctstowcs);
+ _XlcSetConverter(lcd, XlcNString, lcd, XlcNWideChar, open_stdc_strtowcs);
+ _XlcSetConverter(lcd, XlcNCharSet, lcd, XlcNWideChar, open_stdc_cstowcs);
+ }
+#endif
+
+ _XlcAddUtf8Converters(lcd);
+
+ return lcd;
+}
diff --git a/libX11/modules/lc/xlocale/lcJis.c b/libX11/modules/lc/xlocale/lcJis.c index 594e6363c..c2ca2f560 100644 --- a/libX11/modules/lc/xlocale/lcJis.c +++ b/libX11/modules/lc/xlocale/lcJis.c @@ -1,945 +1,944 @@ -/* - * Copyright 1992, 1993 by TOSHIBA Corp. - * - * Permission to use, copy, modify, and distribute this software and its - * documentation for any purpose and without fee is hereby granted, provided - * that the above copyright notice appear in all copies and that both that - * copyright notice and this permission notice appear in supporting - * documentation, and that the name of TOSHIBA not be used in advertising - * or publicity pertaining to distribution of the software without specific, - * written prior permission. TOSHIBA make no representations about the - * suitability of this software for any purpose. It is provided "as is" - * without express or implied warranty. - * - * TOSHIBA DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING - * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL - * TOSHIBA BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR - * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, - * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, - * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS - * SOFTWARE. - * - * Author: Katsuhisa Yano TOSHIBA Corp. - * mopi@osa.ilab.toshiba.co.jp - */ - -/* - * A Japanese JIS locale. - * Supports: all locales with codeset JIS7. - * How: Provides converters for JIS. - * Platforms: Only those defining X_LOCALE (only Lynx, Linux-libc5, OS/2). - */ - -#ifdef X_LOCALE - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif -#include "Xlibint.h" -#include "XlcGeneric.h" -#include <stdio.h> - -#if !defined(X_LOCALE) -#define STDCVT -#endif - -typedef struct _StateRec { - XLCd lcd; - XlcCharSet charset; - XlcCharSet GL_charset; - XlcCharSet GR_charset; -} StateRec, *State; - -static void -init_state( - XlcConv conv) -{ - State state = (State) conv->state; - XLCdGenericPart *gen = XLC_GENERIC_PART(state->lcd); - CodeSet codeset; - - codeset = gen->initial_state_GL; - if (codeset && codeset->charset_list) - state->GL_charset = *codeset->charset_list; - codeset = gen->initial_state_GR; - if (codeset && codeset->charset_list) - state->GR_charset = *codeset->charset_list; - - if (state->GL_charset == NULL) - if ((codeset = *gen->codeset_list) != NULL) - state->GL_charset = *codeset->charset_list; -} - -static int -compare( - const char *src, - const char *encoding, - int length) -{ - const char *start = src; - - while (length-- > 0) { - if (*src++ != *encoding++) - return 0; - if (*encoding == '\0') - return src - start; - } - - return 0; -} - -static int -mbtocs( - XlcConv conv, - XPointer *from, - int *from_left, - XPointer *to, - int *to_left, - XPointer *args, - int num_args) -{ - State state = (State) conv->state; - XLCd lcd = state->lcd; - const char *src; - char *dst; - unsigned char *mb_parse_table; - ParseInfo *parse_list, parse_info; - XlcCharSet charset; - int length, number, encoding_len = 0; - int i; - - src = *((const char **) from); - dst = *((char **) to); - - mb_parse_table = XLC_GENERIC(lcd, mb_parse_table); - if (mb_parse_table != NULL) { - number = mb_parse_table[(unsigned char) *src]; - if (number > 0) { - parse_list = XLC_GENERIC(lcd, mb_parse_list) + number - 1; - for ( ; (parse_info = *parse_list) != NULL; parse_list++) { - encoding_len = compare(src, parse_info->encoding, *from_left); - if (encoding_len > 0) { - switch (parse_info->type) { - case E_SS: - src += encoding_len; - charset = *parse_info->codeset->charset_list; - goto found; - case E_LSL: - case E_LSR: - src += encoding_len; - charset = *parse_info->codeset->charset_list; - if (parse_info->type == E_LSL) - state->GL_charset = charset; - else - state->GR_charset = charset; - length = 0; - goto end; - case E_GL: - charset = state->GL_charset; - goto found; - case E_GR: - charset = state->GR_charset; - goto found; - default: - break; - } - } - } - } - } - - if ((*src & 0x80) && state->GR_charset) - charset = state->GR_charset; - else - charset = state->GL_charset; - -found: - if (charset == NULL || - (num_args == 2 && (XlcCharSet) args[1] != charset)) - return -1; - - length = charset->char_size; - if (length > *from_left - encoding_len) - return -1; - - if (dst) { - if (length > *to_left) - return -1; - if (charset->side == XlcGL) { - for (i = 0; i < length; i++) - *dst++ = *src++ & 0x7f; - } else if (charset->side == XlcGR) { - for (i = 0; i < length; i++) - *dst++ = *src++ | 0x80; - } else { - for (i = 0; i < length; i++) - *dst++ = *src++; - } - *to = (XPointer) dst; - *to_left -= length; - } -end: - *from = (XPointer) src; - *from_left -= encoding_len + length; - state->charset = charset; - if (num_args == 1) - *((XlcCharSet *) args[0]) = charset; - - return 0; -} - -static int -mbstocs( - XlcConv conv, - XPointer *from, - int *from_left, - XPointer *to, - int *to_left, - XPointer *args, - int num_args) -{ - XlcCharSet charset = NULL; - XPointer tmp_args[2], save_from = *from; - int ret, unconv_num = 0, tmp_num = 1; - - tmp_args[0] = (XPointer) &charset; - - while (*from_left > 0 && *to_left > 0) { - ret = mbtocs(conv, from, from_left, to, to_left, tmp_args, tmp_num); - if (ret < 0) - break; - unconv_num += ret; - if (tmp_num == 1 && charset) { - tmp_args[1] = (XPointer) charset; - tmp_num = 2; - } - } - - if (save_from == *from) - return -1; - - if (num_args > 0) - *((XlcCharSet *) args[0]) = charset; - - return unconv_num; -} - -static CodeSet -wc_parse_codeset( - XLCd lcd, - const wchar_t *wcstr) -{ - CodeSet *codeset; - unsigned long wc_encoding; - int num; - - wc_encoding = *wcstr & XLC_GENERIC(lcd, wc_encode_mask); - num = XLC_GENERIC(lcd, codeset_num); - codeset = XLC_GENERIC(lcd, codeset_list); - while (num-- > 0) { - if (wc_encoding == (*codeset)->wc_encoding) - return *codeset; - codeset++; - } - - return NULL; -} - -static int -wcstocs( - XlcConv conv, - XPointer *from, - int *from_left, - XPointer *to, - int *to_left, - XPointer *args, - int num_args) -{ - State state = (State) conv->state; - XLCd lcd = state->lcd; - const wchar_t *wcptr; - char *bufptr; - wchar_t wch; - char *tmpptr; - int length; - CodeSet codeset; - unsigned long wc_encoding; - int wcstr_len, buf_len; - - if (from == NULL || *from == NULL) - return 0; - - wcptr = *((const wchar_t **) from); - bufptr = *((char **) to); - wcstr_len = *from_left; - buf_len = *to_left; - - codeset = wc_parse_codeset(lcd, wcptr); - if (codeset == NULL) - return -1; - wc_encoding = codeset->wc_encoding; - - if (wcstr_len < buf_len / codeset->length) - buf_len = wcstr_len * codeset->length; - - for ( ; wcstr_len > 0 && buf_len > 0; wcptr++, wcstr_len--) { - wch = *wcptr; - if ((wch & XLC_GENERIC(lcd, wc_encode_mask)) != wc_encoding) - break; - length = codeset->length; - buf_len -= length; - bufptr += length; - - tmpptr = bufptr - 1; - if ((*codeset->charset_list)->side == XlcGL) { - while (length--) { - *tmpptr-- = (unsigned char) (wch & 0x7f); - wch >>= (wchar_t)XLC_GENERIC(lcd, wc_shift_bits); - } - } else if ((*codeset->charset_list)->side == XlcGR) { - while (length--) { - *tmpptr-- = (unsigned char) (wch | 0x80); - wch >>= (wchar_t)XLC_GENERIC(lcd, wc_shift_bits); - } - } else { - while (length--) { - *tmpptr-- = (unsigned char) wch; - wch >>= (wchar_t)XLC_GENERIC(lcd, wc_shift_bits); - } - } - } - - if (num_args > 0) - *((XlcCharSet *) args[0]) = *codeset->charset_list; - - *from_left -= wcptr - *((wchar_t **) from); - *from = (XPointer) wcptr; - - *to_left -= bufptr - *((char **) to); - *to = bufptr; - - return 0; -} - -static CodeSet -GetCodeSetFromCharSet( - XLCd lcd, - XlcCharSet charset) -{ - CodeSet *codeset = XLC_GENERIC(lcd, codeset_list); - XlcCharSet *charset_list; - int codeset_num, num_charsets; - - codeset_num = XLC_GENERIC(lcd, codeset_num); - - for ( ; codeset_num-- > 0; codeset++) { - num_charsets = (*codeset)->num_charsets; - charset_list = (*codeset)->charset_list; - - for ( ; num_charsets-- > 0; charset_list++) - if (*charset_list == charset) - return *codeset; - } - - return (CodeSet) NULL; -} - -static int -cstombs( - XlcConv conv, - XPointer *from, - int *from_left, - XPointer *to, - int *to_left, - XPointer *args, - int num_args) -{ - State state = (State) conv->state; - const char *csptr; - char *bufptr; - int csstr_len; - int buf_len; - int num, encoding_len = 0; - CodeSet codeset; - XlcCharSet charset; - EncodingType type; - int cvt_length; - - csptr = *((const char **) from); - bufptr = *((char **) to); - csstr_len = *from_left; - buf_len = *to_left; - - if (num_args < 1) - return -1; - - charset = (XlcCharSet) args[0]; - - codeset = GetCodeSetFromCharSet(state->lcd, charset); - if (codeset == NULL) - return -1; - - cvt_length = 0; - if (codeset->parse_info) { - switch (type = codeset->parse_info->type) { - case E_SS: - encoding_len = strlen(codeset->parse_info->encoding); - break; - case E_LSL: - case E_LSR: - if (type == E_LSL) { - if (charset == state->GL_charset) - break; - } else { - if (charset == state->GR_charset) - break; - } - encoding_len = strlen(codeset->parse_info->encoding); - if (encoding_len > buf_len) - return -1; - cvt_length += encoding_len; - if (bufptr) { - strcpy(bufptr, codeset->parse_info->encoding); - bufptr += encoding_len; - } - buf_len -= encoding_len; - encoding_len = 0; - if (type == E_LSL) - state->GL_charset = charset; - else - state->GR_charset = charset; - break; - default: - break; - } - } - - csstr_len /= codeset->length; - buf_len /= codeset->length + encoding_len; - if (csstr_len < buf_len) - buf_len = csstr_len; - - cvt_length += buf_len * (encoding_len + codeset->length); - if (bufptr) { - while (buf_len--) { - if (encoding_len) { - strcpy(bufptr, codeset->parse_info->encoding); - bufptr += encoding_len; - } - num = codeset->length; - if (codeset->side == XlcGL) { - while (num--) - *bufptr++ = *csptr++ & 0x7f; - } else if (codeset->side == XlcGR) { - while (num--) - *bufptr++ = *csptr++ | 0x80; - } else { - while (num--) - *bufptr++ = *csptr++; - } - } - } - - *from_left -= csptr - *((char **) from); - *from = (XPointer) csptr; - - if (bufptr) - *to = (XPointer) bufptr; - *to_left -= cvt_length; - - return 0; -} - -static int -cstowcs( - XlcConv conv, - XPointer *from, - int *from_left, - XPointer *to, - int *to_left, - XPointer *args, - int num_args) -{ - State state = (State) conv->state; - XLCd lcd = state->lcd; - const char *csptr; - wchar_t *bufptr; - int csstr_len; - int buf_len; - wchar_t wch; - unsigned long code_mask, wc_encoding; - int num, length, wc_shift_bits; - CodeSet codeset; - - csptr = *((const char **) from); - bufptr = *((wchar_t **) to); - csstr_len = *from_left; - buf_len = *to_left; - - if (num_args < 1) - return -1; - - codeset = GetCodeSetFromCharSet(lcd, (XlcCharSet) args[0]); - if (codeset == NULL) - return -1; - - length = codeset->length; - csstr_len /= length; - if (csstr_len < buf_len) - buf_len = csstr_len; - - code_mask = ~XLC_GENERIC(lcd, wc_encode_mask); - wc_encoding = codeset->wc_encoding; - wc_shift_bits = XLC_GENERIC(lcd, wc_shift_bits); - - *to_left -= buf_len; - - if (bufptr) { - while (buf_len--) { - wch = (wchar_t) (*csptr++ & 0x7f); - num = length - 1; - while (num--) - wch = (wch << wc_shift_bits) | (*csptr++ & 0x7f); - - *bufptr++ = (wch & code_mask) | wc_encoding; - } - } - - *from_left -= csptr - *((char **) from); - *from = (XPointer) csptr; - - if (bufptr) - *to = (XPointer) bufptr; - - return 0; -} - - -static void -close_converter( - XlcConv conv) -{ - if (conv->state) { - Xfree((char *) conv->state); - } - - Xfree((char *) conv); -} - -static XlcConv -create_conv( - XLCd lcd, - XlcConvMethods methods) -{ - XlcConv conv; - State state; - - conv = (XlcConv) Xmalloc(sizeof(XlcConvRec)); - if (conv == NULL) - return (XlcConv) NULL; - - conv->methods = (XlcConvMethods) Xmalloc(sizeof(XlcConvMethodsRec)); - if (conv->methods == NULL) - goto err; - *conv->methods = *methods; - if (XLC_PUBLIC(lcd, is_state_depend)) - conv->methods->reset = init_state; - - conv->state = (XPointer) Xmalloc(sizeof(StateRec)); - if (conv->state == NULL) - goto err; - bzero((char *) conv->state, sizeof(StateRec)); - - state = (State) conv->state; - state->lcd = lcd; - init_state(conv); - - return conv; - -err: - close_converter(conv); - - return (XlcConv) NULL; -} - -static XlcConvMethodsRec mbstocs_methods = { - close_converter, - mbstocs, - NULL -}; - -static XlcConv -open_mbstocs( - XLCd from_lcd, - const char *from_type, - XLCd to_lcd, - const char *to_type) -{ - return create_conv(from_lcd, &mbstocs_methods); -} - -static XlcConvMethodsRec wcstocs_methods = { - close_converter, - wcstocs, - NULL -}; - -static XlcConv -open_wcstocs( - XLCd from_lcd, - const char *from_type, - XLCd to_lcd, - const char *to_type) -{ - return create_conv(from_lcd, &wcstocs_methods); -} - -static XlcConvMethodsRec mbtocs_methods = { - close_converter, - mbtocs, - NULL -}; - -static XlcConv -open_mbtocs( - XLCd from_lcd, - const char *from_type, - XLCd to_lcd, - const char *to_type) -{ - return create_conv(from_lcd, &mbtocs_methods); -} - -static XlcConvMethodsRec cstombs_methods = { - close_converter, - cstombs, - NULL -}; - -static XlcConv -open_cstombs( - XLCd from_lcd, - const char *from_type, - XLCd to_lcd, - const char *to_type) -{ - return create_conv(from_lcd, &cstombs_methods); -} - -static XlcConvMethodsRec cstowcs_methods = { - close_converter, - cstowcs, - NULL -}; - -static XlcConv -open_cstowcs( - XLCd from_lcd, - const char *from_type, - XLCd to_lcd, - const char *to_type) -{ - return create_conv(from_lcd, &cstowcs_methods); -} - -#ifdef STDCVT -static int -stdc_mbstowcs( - XlcConv conv, - XPointer *from, - int *from_left, - XPointer *to, - int *to_left, - XPointer *args, - int num_args) -{ - const char *src = *((const char **) from); - wchar_t *dst = *((wchar_t **) to); - int src_left = *from_left; - int dst_left = *to_left; - int length; - - while (src_left > 0 && dst_left > 0) { - length = mbtowc(dst, src, src_left); - if (length < 0) - break; - - src += length; - src_left -= length; - if (dst) - dst++; - dst_left--; - - if (length == 0) { - src++; - src_left--; - break; - } - } - - if (*from_left == src_left) - return -1; - - *from = (XPointer) src; - if (dst) - *to = (XPointer) dst; - *from_left = src_left; - *to_left = dst_left; - - return 0; -} - -static int -stdc_wcstombs( - XlcConv conv, - XPointer *from, - int *from_left, - XPointer *to, - int *to_left, - XPointer *args, - int num_args) -{ - const wchar_t *src = *((const wchar_t **) from); - char *dst = *((char **) to); - int src_left = *from_left; - int dst_left = *to_left; - int length; - - while (src_left > 0 && dst_left > 0) { - length = wctomb(dst, *src); /* XXX */ - if (length < 0 || dst_left < length) - break; - - src++; - src_left--; - dst += length; - dst_left -= length; - - if (length == 0) { - dst++; - dst_left--; - break; - } - } - - if (*from_left == src_left) - return -1; - - *from = (XPointer) src; - *to = (XPointer) dst; - *from_left = src_left; - *to_left = dst_left; - - return 0; -} - -static int -stdc_wcstocs( - XlcConv conv, - XPointer *from, - int *from_left, - XPointer *to, - int *to_left, - XPointer *args, - int num_args) -{ - const wchar_t *src = *((const wchar_t **) from); - wchar_t wch; - XlcCharSet charset = NULL; - XPointer tmp_args[2], tmp_from, save_from = *from; - char tmp[32]; - int length, ret, src_left = *from_left; - int unconv_num = 0, tmp_num = 1; - - tmp_args[0] = (XPointer) &charset; - - while (src_left > 0 && *to_left > 0) { - if (wch = *src) { - length = wctomb(tmp, wch); - } else { - length = 1; - *tmp = '\0'; - } - - if (length < 0) - break; - - tmp_from = (XPointer) tmp; - ret = mbtocs(conv, &tmp_from, &length, to, to_left, tmp_args, tmp_num); - if (ret < 0) - break; - unconv_num += ret; - if (tmp_num == 1 && charset) { - tmp_args[1] = (XPointer) charset; - tmp_num = 2; - } - - src++; - src_left--; - } - - if (save_from == (XPointer) src) - return -1; - - *from = (XPointer) src; - *from_left = src_left; - - if (num_args > 0) - *((XlcCharSet *) args[0]) = charset; - - return unconv_num; -} - -#define DefineLocalBuf char local_buf[BUFSIZ] -#define AllocLocalBuf(length) (length > BUFSIZ ? (char*) Xmalloc(length) : local_buf) -#define FreeLocalBuf(ptr) if (ptr != local_buf) Xfree(ptr) - -static int -stdc_cstowcs( - XlcConv conv, - XPointer *from, - int *from_left, - XPointer *to, - int *to_left, - XPointer *args, - int num_args) -{ - XLCd lcd = ((State) conv->state)->lcd; - DefineLocalBuf; - XPointer buf, save_buf; - int length, left, ret; - - left = length = *to_left * XLC_PUBLIC(lcd, mb_cur_max); - buf = save_buf = (XPointer) AllocLocalBuf(length); - if (buf == NULL) - return -1; - - ret = cstombs(conv, from, from_left, &buf, &left, args, num_args); - if (ret < 0) - goto err; - - buf = save_buf; - length -= left; - if (stdc_mbstowcs(conv, &buf, &length, to, to_left, args, num_args) < 0) - ret = -1; - -err: - FreeLocalBuf(save_buf); - - return ret; -} - -static XlcConvMethodsRec stdc_mbstowcs_methods = { - close_converter, - stdc_mbstowcs, - NULL -}; - -static XlcConv -open_stdc_mbstowcs( - XLCd from_lcd, - const char *from_type, - XLCd to_lcd, - const char *to_type) -{ - return create_conv(from_lcd, &stdc_mbstowcs_methods); -} - -static XlcConvMethodsRec stdc_wcstombs_methods = { - close_converter, - stdc_wcstombs, - NULL -}; - -static XlcConv -open_stdc_wcstombs( - XLCd from_lcd, - const char *from_type, - XLCd to_lcd, - const char *to_type) -{ - return create_conv(from_lcd, &stdc_wcstombs_methods); -} - -static XlcConvMethodsRec stdc_wcstocs_methods = { - close_converter, - stdc_wcstocs, - NULL -}; - -static XlcConv -open_stdc_wcstocs( - XLCd from_lcd, - const char *from_type, - XLCd to_lcd, - const char *to_type) -{ - return create_conv(from_lcd, &stdc_wcstocs_methods); -} - -static XlcConvMethodsRec stdc_cstowcs_methods = { - close_converter, - stdc_cstowcs, - NULL -}; - -static XlcConv -open_stdc_cstowcs( - XLCd from_lcd, - const char *from_type, - XLCd to_lcd, - const char *to_type) -{ - return create_conv(from_lcd, &stdc_cstowcs_methods); -} -#endif /* STDCVT */ - -XLCd -_XlcJisLoader( - const char *name) -{ - XLCd lcd; -#ifdef STDCVT - XLCdGenericPart *gen; -#endif - - lcd = _XlcCreateLC(name, _XlcGenericMethods); - if (lcd == NULL) - return lcd; - - if (!XLC_PUBLIC_PART(lcd)->codeset || - (_XlcCompareISOLatin1(XLC_PUBLIC_PART(lcd)->codeset, "JIS7"))) { - _XlcDestroyLC(lcd); - return (XLCd) NULL; - } - - _XlcSetConverter(lcd, XlcNMultiByte, lcd, XlcNChar, open_mbtocs); - _XlcSetConverter(lcd, XlcNMultiByte, lcd, XlcNCharSet, open_mbstocs); - _XlcSetConverter(lcd, XlcNCharSet, lcd, XlcNMultiByte, open_cstombs); - -#ifdef STDCVT - gen = XLC_GENERIC_PART(lcd); - - if (gen->use_stdc_env == True) { - _XlcSetConverter(lcd,XlcNMultiByte,lcd,XlcNWideChar,open_stdc_mbstowcs); - _XlcSetConverter(lcd,XlcNWideChar,lcd,XlcNMultiByte,open_stdc_wcstombs); - } - if (gen->force_convert_to_mb == True) { - _XlcSetConverter(lcd, XlcNWideChar, lcd, XlcNCharSet,open_stdc_wcstocs); - _XlcSetConverter(lcd, XlcNCharSet, lcd, XlcNWideChar,open_stdc_cstowcs); - } else { -#endif - _XlcSetConverter(lcd, XlcNWideChar, lcd, XlcNCharSet, open_wcstocs); - _XlcSetConverter(lcd, XlcNCharSet, lcd, XlcNWideChar, open_cstowcs); -#ifdef STDCVT - } -#endif - - _XlcAddUtf8Converters(lcd); - - return lcd; -} - -#else -typedef int dummy; -#endif /* X_LOCALE */ +/*
+ * Copyright 1992, 1993 by TOSHIBA Corp.
+ *
+ * Permission to use, copy, modify, and distribute this software and its
+ * documentation for any purpose and without fee is hereby granted, provided
+ * that the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of TOSHIBA not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission. TOSHIBA make no representations about the
+ * suitability of this software for any purpose. It is provided "as is"
+ * without express or implied warranty.
+ *
+ * TOSHIBA DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
+ * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
+ * TOSHIBA BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
+ * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
+ * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+ * SOFTWARE.
+ *
+ * Author: Katsuhisa Yano TOSHIBA Corp.
+ * mopi@osa.ilab.toshiba.co.jp
+ */
+
+/*
+ * A Japanese JIS locale.
+ * Supports: all locales with codeset JIS7.
+ * How: Provides converters for JIS.
+ * Platforms: Only those defining X_LOCALE (only Lynx, Linux-libc5, OS/2).
+ */
+
+#ifdef X_LOCALE
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xlibint.h"
+#include "XlcGeneric.h"
+#include <stdio.h>
+
+#if !defined(X_LOCALE)
+#define STDCVT
+#endif
+
+typedef struct _StateRec {
+ XLCd lcd;
+ XlcCharSet charset;
+ XlcCharSet GL_charset;
+ XlcCharSet GR_charset;
+} StateRec, *State;
+
+static void
+init_state(
+ XlcConv conv)
+{
+ State state = (State) conv->state;
+ XLCdGenericPart *gen = XLC_GENERIC_PART(state->lcd);
+ CodeSet codeset;
+
+ codeset = gen->initial_state_GL;
+ if (codeset && codeset->charset_list)
+ state->GL_charset = *codeset->charset_list;
+ codeset = gen->initial_state_GR;
+ if (codeset && codeset->charset_list)
+ state->GR_charset = *codeset->charset_list;
+
+ if (state->GL_charset == NULL)
+ if ((codeset = *gen->codeset_list) != NULL)
+ state->GL_charset = *codeset->charset_list;
+}
+
+static int
+compare(
+ const char *src,
+ const char *encoding,
+ int length)
+{
+ const char *start = src;
+
+ while (length-- > 0) {
+ if (*src++ != *encoding++)
+ return 0;
+ if (*encoding == '\0')
+ return src - start;
+ }
+
+ return 0;
+}
+
+static int
+mbtocs(
+ XlcConv conv,
+ XPointer *from,
+ int *from_left,
+ XPointer *to,
+ int *to_left,
+ XPointer *args,
+ int num_args)
+{
+ State state = (State) conv->state;
+ XLCd lcd = state->lcd;
+ const char *src;
+ char *dst;
+ unsigned char *mb_parse_table;
+ ParseInfo *parse_list, parse_info;
+ XlcCharSet charset;
+ int length, number, encoding_len = 0;
+ int i;
+
+ src = *((const char **) from);
+ dst = *((char **) to);
+
+ mb_parse_table = XLC_GENERIC(lcd, mb_parse_table);
+ if (mb_parse_table != NULL) {
+ number = mb_parse_table[(unsigned char) *src];
+ if (number > 0) {
+ parse_list = XLC_GENERIC(lcd, mb_parse_list) + number - 1;
+ for ( ; (parse_info = *parse_list) != NULL; parse_list++) {
+ encoding_len = compare(src, parse_info->encoding, *from_left);
+ if (encoding_len > 0) {
+ switch (parse_info->type) {
+ case E_SS:
+ src += encoding_len;
+ charset = *parse_info->codeset->charset_list;
+ goto found;
+ case E_LSL:
+ case E_LSR:
+ src += encoding_len;
+ charset = *parse_info->codeset->charset_list;
+ if (parse_info->type == E_LSL)
+ state->GL_charset = charset;
+ else
+ state->GR_charset = charset;
+ length = 0;
+ goto end;
+ case E_GL:
+ charset = state->GL_charset;
+ goto found;
+ case E_GR:
+ charset = state->GR_charset;
+ goto found;
+ default:
+ break;
+ }
+ }
+ }
+ }
+ }
+
+ if ((*src & 0x80) && state->GR_charset)
+ charset = state->GR_charset;
+ else
+ charset = state->GL_charset;
+
+found:
+ if (charset == NULL ||
+ (num_args == 2 && (XlcCharSet) args[1] != charset))
+ return -1;
+
+ length = charset->char_size;
+ if (length > *from_left - encoding_len)
+ return -1;
+
+ if (dst) {
+ if (length > *to_left)
+ return -1;
+ if (charset->side == XlcGL) {
+ for (i = 0; i < length; i++)
+ *dst++ = *src++ & 0x7f;
+ } else if (charset->side == XlcGR) {
+ for (i = 0; i < length; i++)
+ *dst++ = *src++ | 0x80;
+ } else {
+ for (i = 0; i < length; i++)
+ *dst++ = *src++;
+ }
+ *to = (XPointer) dst;
+ *to_left -= length;
+ }
+end:
+ *from = (XPointer) src;
+ *from_left -= encoding_len + length;
+ state->charset = charset;
+ if (num_args == 1)
+ *((XlcCharSet *) args[0]) = charset;
+
+ return 0;
+}
+
+static int
+mbstocs(
+ XlcConv conv,
+ XPointer *from,
+ int *from_left,
+ XPointer *to,
+ int *to_left,
+ XPointer *args,
+ int num_args)
+{
+ XlcCharSet charset = NULL;
+ XPointer tmp_args[2], save_from = *from;
+ int ret, unconv_num = 0, tmp_num = 1;
+
+ tmp_args[0] = (XPointer) &charset;
+
+ while (*from_left > 0 && *to_left > 0) {
+ ret = mbtocs(conv, from, from_left, to, to_left, tmp_args, tmp_num);
+ if (ret < 0)
+ break;
+ unconv_num += ret;
+ if (tmp_num == 1 && charset) {
+ tmp_args[1] = (XPointer) charset;
+ tmp_num = 2;
+ }
+ }
+
+ if (save_from == *from)
+ return -1;
+
+ if (num_args > 0)
+ *((XlcCharSet *) args[0]) = charset;
+
+ return unconv_num;
+}
+
+static CodeSet
+wc_parse_codeset(
+ XLCd lcd,
+ const wchar_t *wcstr)
+{
+ CodeSet *codeset;
+ unsigned long wc_encoding;
+ int num;
+
+ wc_encoding = *wcstr & XLC_GENERIC(lcd, wc_encode_mask);
+ num = XLC_GENERIC(lcd, codeset_num);
+ codeset = XLC_GENERIC(lcd, codeset_list);
+ while (num-- > 0) {
+ if (wc_encoding == (*codeset)->wc_encoding)
+ return *codeset;
+ codeset++;
+ }
+
+ return NULL;
+}
+
+static int
+wcstocs(
+ XlcConv conv,
+ XPointer *from,
+ int *from_left,
+ XPointer *to,
+ int *to_left,
+ XPointer *args,
+ int num_args)
+{
+ State state = (State) conv->state;
+ XLCd lcd = state->lcd;
+ const wchar_t *wcptr;
+ char *bufptr;
+ wchar_t wch;
+ char *tmpptr;
+ int length;
+ CodeSet codeset;
+ unsigned long wc_encoding;
+ int wcstr_len, buf_len;
+
+ if (from == NULL || *from == NULL)
+ return 0;
+
+ wcptr = *((const wchar_t **) from);
+ bufptr = *((char **) to);
+ wcstr_len = *from_left;
+ buf_len = *to_left;
+
+ codeset = wc_parse_codeset(lcd, wcptr);
+ if (codeset == NULL)
+ return -1;
+ wc_encoding = codeset->wc_encoding;
+
+ if (wcstr_len < buf_len / codeset->length)
+ buf_len = wcstr_len * codeset->length;
+
+ for ( ; wcstr_len > 0 && buf_len > 0; wcptr++, wcstr_len--) {
+ wch = *wcptr;
+ if ((wch & XLC_GENERIC(lcd, wc_encode_mask)) != wc_encoding)
+ break;
+ length = codeset->length;
+ buf_len -= length;
+ bufptr += length;
+
+ tmpptr = bufptr - 1;
+ if ((*codeset->charset_list)->side == XlcGL) {
+ while (length--) {
+ *tmpptr-- = (unsigned char) (wch & 0x7f);
+ wch >>= (wchar_t)XLC_GENERIC(lcd, wc_shift_bits);
+ }
+ } else if ((*codeset->charset_list)->side == XlcGR) {
+ while (length--) {
+ *tmpptr-- = (unsigned char) (wch | 0x80);
+ wch >>= (wchar_t)XLC_GENERIC(lcd, wc_shift_bits);
+ }
+ } else {
+ while (length--) {
+ *tmpptr-- = (unsigned char) wch;
+ wch >>= (wchar_t)XLC_GENERIC(lcd, wc_shift_bits);
+ }
+ }
+ }
+
+ if (num_args > 0)
+ *((XlcCharSet *) args[0]) = *codeset->charset_list;
+
+ *from_left -= wcptr - *((wchar_t **) from);
+ *from = (XPointer) wcptr;
+
+ *to_left -= bufptr - *((char **) to);
+ *to = bufptr;
+
+ return 0;
+}
+
+static CodeSet
+GetCodeSetFromCharSet(
+ XLCd lcd,
+ XlcCharSet charset)
+{
+ CodeSet *codeset = XLC_GENERIC(lcd, codeset_list);
+ XlcCharSet *charset_list;
+ int codeset_num, num_charsets;
+
+ codeset_num = XLC_GENERIC(lcd, codeset_num);
+
+ for ( ; codeset_num-- > 0; codeset++) {
+ num_charsets = (*codeset)->num_charsets;
+ charset_list = (*codeset)->charset_list;
+
+ for ( ; num_charsets-- > 0; charset_list++)
+ if (*charset_list == charset)
+ return *codeset;
+ }
+
+ return (CodeSet) NULL;
+}
+
+static int
+cstombs(
+ XlcConv conv,
+ XPointer *from,
+ int *from_left,
+ XPointer *to,
+ int *to_left,
+ XPointer *args,
+ int num_args)
+{
+ State state = (State) conv->state;
+ const char *csptr;
+ char *bufptr;
+ int csstr_len;
+ int buf_len;
+ int num, encoding_len = 0;
+ CodeSet codeset;
+ XlcCharSet charset;
+ EncodingType type;
+ int cvt_length;
+
+ csptr = *((const char **) from);
+ bufptr = *((char **) to);
+ csstr_len = *from_left;
+ buf_len = *to_left;
+
+ if (num_args < 1)
+ return -1;
+
+ charset = (XlcCharSet) args[0];
+
+ codeset = GetCodeSetFromCharSet(state->lcd, charset);
+ if (codeset == NULL)
+ return -1;
+
+ cvt_length = 0;
+ if (codeset->parse_info) {
+ switch (type = codeset->parse_info->type) {
+ case E_SS:
+ encoding_len = strlen(codeset->parse_info->encoding);
+ break;
+ case E_LSL:
+ case E_LSR:
+ if (type == E_LSL) {
+ if (charset == state->GL_charset)
+ break;
+ } else {
+ if (charset == state->GR_charset)
+ break;
+ }
+ encoding_len = strlen(codeset->parse_info->encoding);
+ if (encoding_len > buf_len)
+ return -1;
+ cvt_length += encoding_len;
+ if (bufptr) {
+ strcpy(bufptr, codeset->parse_info->encoding);
+ bufptr += encoding_len;
+ }
+ buf_len -= encoding_len;
+ encoding_len = 0;
+ if (type == E_LSL)
+ state->GL_charset = charset;
+ else
+ state->GR_charset = charset;
+ break;
+ default:
+ break;
+ }
+ }
+
+ csstr_len /= codeset->length;
+ buf_len /= codeset->length + encoding_len;
+ if (csstr_len < buf_len)
+ buf_len = csstr_len;
+
+ cvt_length += buf_len * (encoding_len + codeset->length);
+ if (bufptr) {
+ while (buf_len--) {
+ if (encoding_len) {
+ strcpy(bufptr, codeset->parse_info->encoding);
+ bufptr += encoding_len;
+ }
+ num = codeset->length;
+ if (codeset->side == XlcGL) {
+ while (num--)
+ *bufptr++ = *csptr++ & 0x7f;
+ } else if (codeset->side == XlcGR) {
+ while (num--)
+ *bufptr++ = *csptr++ | 0x80;
+ } else {
+ while (num--)
+ *bufptr++ = *csptr++;
+ }
+ }
+ }
+
+ *from_left -= csptr - *((char **) from);
+ *from = (XPointer) csptr;
+
+ if (bufptr)
+ *to = (XPointer) bufptr;
+ *to_left -= cvt_length;
+
+ return 0;
+}
+
+static int
+cstowcs(
+ XlcConv conv,
+ XPointer *from,
+ int *from_left,
+ XPointer *to,
+ int *to_left,
+ XPointer *args,
+ int num_args)
+{
+ State state = (State) conv->state;
+ XLCd lcd = state->lcd;
+ const char *csptr;
+ wchar_t *bufptr;
+ int csstr_len;
+ int buf_len;
+ wchar_t wch;
+ unsigned long code_mask, wc_encoding;
+ int num, length, wc_shift_bits;
+ CodeSet codeset;
+
+ csptr = *((const char **) from);
+ bufptr = *((wchar_t **) to);
+ csstr_len = *from_left;
+ buf_len = *to_left;
+
+ if (num_args < 1)
+ return -1;
+
+ codeset = GetCodeSetFromCharSet(lcd, (XlcCharSet) args[0]);
+ if (codeset == NULL)
+ return -1;
+
+ length = codeset->length;
+ csstr_len /= length;
+ if (csstr_len < buf_len)
+ buf_len = csstr_len;
+
+ code_mask = ~XLC_GENERIC(lcd, wc_encode_mask);
+ wc_encoding = codeset->wc_encoding;
+ wc_shift_bits = XLC_GENERIC(lcd, wc_shift_bits);
+
+ *to_left -= buf_len;
+
+ if (bufptr) {
+ while (buf_len--) {
+ wch = (wchar_t) (*csptr++ & 0x7f);
+ num = length - 1;
+ while (num--)
+ wch = (wch << wc_shift_bits) | (*csptr++ & 0x7f);
+
+ *bufptr++ = (wch & code_mask) | wc_encoding;
+ }
+ }
+
+ *from_left -= csptr - *((char **) from);
+ *from = (XPointer) csptr;
+
+ if (bufptr)
+ *to = (XPointer) bufptr;
+
+ return 0;
+}
+
+
+static void
+close_converter(
+ XlcConv conv)
+{
+ if (conv->state) {
+ Xfree((char *) conv->state);
+ }
+
+ Xfree((char *) conv);
+}
+
+static XlcConv
+create_conv(
+ XLCd lcd,
+ XlcConvMethods methods)
+{
+ XlcConv conv;
+ State state;
+
+ conv = (XlcConv) Xmalloc(sizeof(XlcConvRec));
+ if (conv == NULL)
+ return (XlcConv) NULL;
+
+ conv->methods = (XlcConvMethods) Xmalloc(sizeof(XlcConvMethodsRec));
+ if (conv->methods == NULL)
+ goto err;
+ *conv->methods = *methods;
+ if (XLC_PUBLIC(lcd, is_state_depend))
+ conv->methods->reset = init_state;
+
+ conv->state = Xcalloc(1, sizeof(StateRec));
+ if (conv->state == NULL)
+ goto err;
+
+ state = (State) conv->state;
+ state->lcd = lcd;
+ init_state(conv);
+
+ return conv;
+
+err:
+ close_converter(conv);
+
+ return (XlcConv) NULL;
+}
+
+static XlcConvMethodsRec mbstocs_methods = {
+ close_converter,
+ mbstocs,
+ NULL
+};
+
+static XlcConv
+open_mbstocs(
+ XLCd from_lcd,
+ const char *from_type,
+ XLCd to_lcd,
+ const char *to_type)
+{
+ return create_conv(from_lcd, &mbstocs_methods);
+}
+
+static XlcConvMethodsRec wcstocs_methods = {
+ close_converter,
+ wcstocs,
+ NULL
+};
+
+static XlcConv
+open_wcstocs(
+ XLCd from_lcd,
+ const char *from_type,
+ XLCd to_lcd,
+ const char *to_type)
+{
+ return create_conv(from_lcd, &wcstocs_methods);
+}
+
+static XlcConvMethodsRec mbtocs_methods = {
+ close_converter,
+ mbtocs,
+ NULL
+};
+
+static XlcConv
+open_mbtocs(
+ XLCd from_lcd,
+ const char *from_type,
+ XLCd to_lcd,
+ const char *to_type)
+{
+ return create_conv(from_lcd, &mbtocs_methods);
+}
+
+static XlcConvMethodsRec cstombs_methods = {
+ close_converter,
+ cstombs,
+ NULL
+};
+
+static XlcConv
+open_cstombs(
+ XLCd from_lcd,
+ const char *from_type,
+ XLCd to_lcd,
+ const char *to_type)
+{
+ return create_conv(from_lcd, &cstombs_methods);
+}
+
+static XlcConvMethodsRec cstowcs_methods = {
+ close_converter,
+ cstowcs,
+ NULL
+};
+
+static XlcConv
+open_cstowcs(
+ XLCd from_lcd,
+ const char *from_type,
+ XLCd to_lcd,
+ const char *to_type)
+{
+ return create_conv(from_lcd, &cstowcs_methods);
+}
+
+#ifdef STDCVT
+static int
+stdc_mbstowcs(
+ XlcConv conv,
+ XPointer *from,
+ int *from_left,
+ XPointer *to,
+ int *to_left,
+ XPointer *args,
+ int num_args)
+{
+ const char *src = *((const char **) from);
+ wchar_t *dst = *((wchar_t **) to);
+ int src_left = *from_left;
+ int dst_left = *to_left;
+ int length;
+
+ while (src_left > 0 && dst_left > 0) {
+ length = mbtowc(dst, src, src_left);
+ if (length < 0)
+ break;
+
+ src += length;
+ src_left -= length;
+ if (dst)
+ dst++;
+ dst_left--;
+
+ if (length == 0) {
+ src++;
+ src_left--;
+ break;
+ }
+ }
+
+ if (*from_left == src_left)
+ return -1;
+
+ *from = (XPointer) src;
+ if (dst)
+ *to = (XPointer) dst;
+ *from_left = src_left;
+ *to_left = dst_left;
+
+ return 0;
+}
+
+static int
+stdc_wcstombs(
+ XlcConv conv,
+ XPointer *from,
+ int *from_left,
+ XPointer *to,
+ int *to_left,
+ XPointer *args,
+ int num_args)
+{
+ const wchar_t *src = *((const wchar_t **) from);
+ char *dst = *((char **) to);
+ int src_left = *from_left;
+ int dst_left = *to_left;
+ int length;
+
+ while (src_left > 0 && dst_left > 0) {
+ length = wctomb(dst, *src); /* XXX */
+ if (length < 0 || dst_left < length)
+ break;
+
+ src++;
+ src_left--;
+ dst += length;
+ dst_left -= length;
+
+ if (length == 0) {
+ dst++;
+ dst_left--;
+ break;
+ }
+ }
+
+ if (*from_left == src_left)
+ return -1;
+
+ *from = (XPointer) src;
+ *to = (XPointer) dst;
+ *from_left = src_left;
+ *to_left = dst_left;
+
+ return 0;
+}
+
+static int
+stdc_wcstocs(
+ XlcConv conv,
+ XPointer *from,
+ int *from_left,
+ XPointer *to,
+ int *to_left,
+ XPointer *args,
+ int num_args)
+{
+ const wchar_t *src = *((const wchar_t **) from);
+ wchar_t wch;
+ XlcCharSet charset = NULL;
+ XPointer tmp_args[2], tmp_from, save_from = *from;
+ char tmp[32];
+ int length, ret, src_left = *from_left;
+ int unconv_num = 0, tmp_num = 1;
+
+ tmp_args[0] = (XPointer) &charset;
+
+ while (src_left > 0 && *to_left > 0) {
+ if (wch = *src) {
+ length = wctomb(tmp, wch);
+ } else {
+ length = 1;
+ *tmp = '\0';
+ }
+
+ if (length < 0)
+ break;
+
+ tmp_from = (XPointer) tmp;
+ ret = mbtocs(conv, &tmp_from, &length, to, to_left, tmp_args, tmp_num);
+ if (ret < 0)
+ break;
+ unconv_num += ret;
+ if (tmp_num == 1 && charset) {
+ tmp_args[1] = (XPointer) charset;
+ tmp_num = 2;
+ }
+
+ src++;
+ src_left--;
+ }
+
+ if (save_from == (XPointer) src)
+ return -1;
+
+ *from = (XPointer) src;
+ *from_left = src_left;
+
+ if (num_args > 0)
+ *((XlcCharSet *) args[0]) = charset;
+
+ return unconv_num;
+}
+
+#define DefineLocalBuf char local_buf[BUFSIZ]
+#define AllocLocalBuf(length) (length > BUFSIZ ? (char*) Xmalloc(length) : local_buf)
+#define FreeLocalBuf(ptr) if (ptr != local_buf) Xfree(ptr)
+
+static int
+stdc_cstowcs(
+ XlcConv conv,
+ XPointer *from,
+ int *from_left,
+ XPointer *to,
+ int *to_left,
+ XPointer *args,
+ int num_args)
+{
+ XLCd lcd = ((State) conv->state)->lcd;
+ DefineLocalBuf;
+ XPointer buf, save_buf;
+ int length, left, ret;
+
+ left = length = *to_left * XLC_PUBLIC(lcd, mb_cur_max);
+ buf = save_buf = (XPointer) AllocLocalBuf(length);
+ if (buf == NULL)
+ return -1;
+
+ ret = cstombs(conv, from, from_left, &buf, &left, args, num_args);
+ if (ret < 0)
+ goto err;
+
+ buf = save_buf;
+ length -= left;
+ if (stdc_mbstowcs(conv, &buf, &length, to, to_left, args, num_args) < 0)
+ ret = -1;
+
+err:
+ FreeLocalBuf(save_buf);
+
+ return ret;
+}
+
+static XlcConvMethodsRec stdc_mbstowcs_methods = {
+ close_converter,
+ stdc_mbstowcs,
+ NULL
+};
+
+static XlcConv
+open_stdc_mbstowcs(
+ XLCd from_lcd,
+ const char *from_type,
+ XLCd to_lcd,
+ const char *to_type)
+{
+ return create_conv(from_lcd, &stdc_mbstowcs_methods);
+}
+
+static XlcConvMethodsRec stdc_wcstombs_methods = {
+ close_converter,
+ stdc_wcstombs,
+ NULL
+};
+
+static XlcConv
+open_stdc_wcstombs(
+ XLCd from_lcd,
+ const char *from_type,
+ XLCd to_lcd,
+ const char *to_type)
+{
+ return create_conv(from_lcd, &stdc_wcstombs_methods);
+}
+
+static XlcConvMethodsRec stdc_wcstocs_methods = {
+ close_converter,
+ stdc_wcstocs,
+ NULL
+};
+
+static XlcConv
+open_stdc_wcstocs(
+ XLCd from_lcd,
+ const char *from_type,
+ XLCd to_lcd,
+ const char *to_type)
+{
+ return create_conv(from_lcd, &stdc_wcstocs_methods);
+}
+
+static XlcConvMethodsRec stdc_cstowcs_methods = {
+ close_converter,
+ stdc_cstowcs,
+ NULL
+};
+
+static XlcConv
+open_stdc_cstowcs(
+ XLCd from_lcd,
+ const char *from_type,
+ XLCd to_lcd,
+ const char *to_type)
+{
+ return create_conv(from_lcd, &stdc_cstowcs_methods);
+}
+#endif /* STDCVT */
+
+XLCd
+_XlcJisLoader(
+ const char *name)
+{
+ XLCd lcd;
+#ifdef STDCVT
+ XLCdGenericPart *gen;
+#endif
+
+ lcd = _XlcCreateLC(name, _XlcGenericMethods);
+ if (lcd == NULL)
+ return lcd;
+
+ if (!XLC_PUBLIC_PART(lcd)->codeset ||
+ (_XlcCompareISOLatin1(XLC_PUBLIC_PART(lcd)->codeset, "JIS7"))) {
+ _XlcDestroyLC(lcd);
+ return (XLCd) NULL;
+ }
+
+ _XlcSetConverter(lcd, XlcNMultiByte, lcd, XlcNChar, open_mbtocs);
+ _XlcSetConverter(lcd, XlcNMultiByte, lcd, XlcNCharSet, open_mbstocs);
+ _XlcSetConverter(lcd, XlcNCharSet, lcd, XlcNMultiByte, open_cstombs);
+
+#ifdef STDCVT
+ gen = XLC_GENERIC_PART(lcd);
+
+ if (gen->use_stdc_env == True) {
+ _XlcSetConverter(lcd,XlcNMultiByte,lcd,XlcNWideChar,open_stdc_mbstowcs);
+ _XlcSetConverter(lcd,XlcNWideChar,lcd,XlcNMultiByte,open_stdc_wcstombs);
+ }
+ if (gen->force_convert_to_mb == True) {
+ _XlcSetConverter(lcd, XlcNWideChar, lcd, XlcNCharSet,open_stdc_wcstocs);
+ _XlcSetConverter(lcd, XlcNCharSet, lcd, XlcNWideChar,open_stdc_cstowcs);
+ } else {
+#endif
+ _XlcSetConverter(lcd, XlcNWideChar, lcd, XlcNCharSet, open_wcstocs);
+ _XlcSetConverter(lcd, XlcNCharSet, lcd, XlcNWideChar, open_cstowcs);
+#ifdef STDCVT
+ }
+#endif
+
+ _XlcAddUtf8Converters(lcd);
+
+ return lcd;
+}
+
+#else
+typedef int dummy;
+#endif /* X_LOCALE */
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