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author | marha <marha@users.sourceforge.net> | 2011-09-12 11:27:51 +0200 |
---|---|---|
committer | marha <marha@users.sourceforge.net> | 2011-09-12 11:27:51 +0200 |
commit | dafebc5bb70303f0b5baf0b087cf4d9a64b5c7f0 (patch) | |
tree | bdf833cc6a4fc9035411779e10dd9e8478201885 /libX11/modules/lc/gen/lcGenConv.c | |
parent | 0b40f5f4b54453a77f4b09c431f8efc6875da61f (diff) | |
download | vcxsrv-dafebc5bb70303f0b5baf0b087cf4d9a64b5c7f0.tar.gz vcxsrv-dafebc5bb70303f0b5baf0b087cf4d9a64b5c7f0.tar.bz2 vcxsrv-dafebc5bb70303f0b5baf0b087cf4d9a64b5c7f0.zip |
Synchronised line endinge with release branch
Diffstat (limited to 'libX11/modules/lc/gen/lcGenConv.c')
-rw-r--r-- | libX11/modules/lc/gen/lcGenConv.c | 6296 |
1 files changed, 3148 insertions, 3148 deletions
diff --git a/libX11/modules/lc/gen/lcGenConv.c b/libX11/modules/lc/gen/lcGenConv.c index c222c1f2a..7a113a78a 100644 --- a/libX11/modules/lc/gen/lcGenConv.c +++ b/libX11/modules/lc/gen/lcGenConv.c @@ -1,3148 +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 = 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;
-}
+/* + * 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; +} |