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author | Mihai Moldovan <ionic@ionic.de> | 2017-08-25 12:44:49 +0200 |
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committer | Mihai Moldovan <ionic@ionic.de> | 2017-08-25 12:44:49 +0200 |
commit | ae0a2bfdeb9ceacb80aa03375353039d425b14b9 (patch) | |
tree | daec55145477bcec69273e03d5c9ff10c10a4137 /nx-X11/lib/src/xlibi18n/lcConv.c | |
parent | cbe2c0e44f412d07024207f374c0f56684adb088 (diff) | |
parent | 3b7e5a42f5abecb903a9d730d163d704520efb07 (diff) | |
download | nx-libs-ae0a2bfdeb9ceacb80aa03375353039d425b14b9.tar.gz nx-libs-ae0a2bfdeb9ceacb80aa03375353039d425b14b9.tar.bz2 nx-libs-ae0a2bfdeb9ceacb80aa03375353039d425b14b9.zip |
Merge branch 'sunweaver-pr/libnx-x11-autoreconf' into 3.6.x
Attributes GH PR #498: https://github.com/ArcticaProject/nx-libs/pull/498
Diffstat (limited to 'nx-X11/lib/src/xlibi18n/lcConv.c')
-rw-r--r-- | nx-X11/lib/src/xlibi18n/lcConv.c | 339 |
1 files changed, 339 insertions, 0 deletions
diff --git a/nx-X11/lib/src/xlibi18n/lcConv.c b/nx-X11/lib/src/xlibi18n/lcConv.c new file mode 100644 index 000000000..7d9a4738c --- /dev/null +++ b/nx-X11/lib/src/xlibi18n/lcConv.c @@ -0,0 +1,339 @@ +/* + * 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 + */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif +#include "Xlibint.h" +#include "XlcPubI.h" +#include <stdio.h> + +typedef struct _XlcConverterListRec { + XLCd from_lcd; + const char *from; + XrmQuark from_type; + XLCd to_lcd; + const char *to; + XrmQuark to_type; + XlcOpenConverterProc converter; + struct _XlcConverterListRec *next; +} XlcConverterListRec, *XlcConverterList; + +static XlcConverterList conv_list = NULL; + +static void +close_converter( + XlcConv conv) +{ + (*conv->methods->close)(conv); +} + +static XlcConv +get_converter( + XLCd from_lcd, + XrmQuark from_type, + XLCd to_lcd, + XrmQuark to_type) +{ + XlcConverterList list, prev = NULL; + + for (list = conv_list; list; list = list->next) { + if (list->from_lcd == from_lcd && list->to_lcd == to_lcd + && list->from_type == from_type && list->to_type == to_type) { + + if (prev && prev != conv_list) { /* XXX */ + prev->next = list->next; + list->next = conv_list; + conv_list = list; + } + + return (*list->converter)(from_lcd, list->from, to_lcd, list->to); + } + + prev = list; + } + + return (XlcConv) NULL; +} + +Bool +_XlcSetConverter( + XLCd from_lcd, + const char *from, + XLCd to_lcd, + const char *to, + XlcOpenConverterProc converter) +{ + XlcConverterList list; + XrmQuark from_type, to_type; + + from_type = XrmStringToQuark(from); + to_type = XrmStringToQuark(to); + + for (list = conv_list; list; list = list->next) { + if (list->from_lcd == from_lcd && list->to_lcd == to_lcd + && list->from_type == from_type && list->to_type == to_type) { + + list->converter = converter; + return True; + } + } + + list = Xmalloc(sizeof(XlcConverterListRec)); + if (list == NULL) + return False; + + list->from_lcd = from_lcd; + list->from = from; + list->from_type = from_type; + list->to_lcd = to_lcd; + list->to = to; + list->to_type = to_type; + list->converter = converter; + list->next = conv_list; + conv_list = list; + + return True; +} + +typedef struct _ConvRec { + XlcConv from_conv; + XlcConv to_conv; +} ConvRec, *Conv; + +static int +indirect_convert( + XlcConv lc_conv, + XPointer *from, + int *from_left, + XPointer *to, + int *to_left, + XPointer *args, + int num_args) +{ + Conv conv = (Conv) lc_conv->state; + XlcConv from_conv = conv->from_conv; + XlcConv to_conv = conv->to_conv; + XlcCharSet charset; + char buf[BUFSIZ], *cs; + XPointer tmp_args[1]; + int cs_left, ret, length, unconv_num = 0; + + if (from == NULL || *from == NULL) { + if (from_conv->methods->reset) + (*from_conv->methods->reset)(from_conv); + + if (to_conv->methods->reset) + (*to_conv->methods->reset)(to_conv); + + return 0; + } + + while (*from_left > 0) { + cs = buf; + cs_left = BUFSIZ; + tmp_args[0] = (XPointer) &charset; + + ret = (*from_conv->methods->convert)(from_conv, from, from_left, &cs, + &cs_left, tmp_args, 1); + if (ret < 0) + break; + + unconv_num += ret; + + length = cs - buf; + if (length > 0) { + cs_left = length; + cs = buf; + + tmp_args[0] = (XPointer) charset; + + ret = (*to_conv->methods->convert)(to_conv, &cs, &cs_left, to, to_left, + tmp_args, 1); + if (ret < 0) { + unconv_num += length / (charset->char_size > 0 ? charset->char_size : 1); + continue; + } + + unconv_num += ret; + + if (*to_left < 1) + break; + } + } + + return unconv_num; +} + +static void +close_indirect_converter( + XlcConv lc_conv) +{ + Conv conv = (Conv) lc_conv->state; + + if (conv) { + if (conv->from_conv) + close_converter(conv->from_conv); + if (conv->to_conv) + close_converter(conv->to_conv); + + Xfree(conv); + } + + Xfree(lc_conv); +} + +static void +reset_indirect_converter( + XlcConv lc_conv) +{ + Conv conv = (Conv) lc_conv->state; + + if (conv) { + if (conv->from_conv && conv->from_conv->methods->reset) + (*conv->from_conv->methods->reset)(conv->from_conv); + if (conv->to_conv && conv->to_conv->methods->reset) + (*conv->to_conv->methods->reset)(conv->to_conv); + } +} + +static XlcConvMethodsRec conv_methods = { + close_indirect_converter, + indirect_convert, + reset_indirect_converter +} ; + +static XlcConv +open_indirect_converter( + XLCd from_lcd, + const char *from, + XLCd to_lcd, + const char *to) +{ + XlcConv lc_conv, from_conv, to_conv; + Conv conv; + XrmQuark from_type, to_type; + static XrmQuark QChar, QCharSet, QCTCharSet = (XrmQuark) 0; + + if (QCTCharSet == (XrmQuark) 0) { + QCTCharSet = XrmStringToQuark(XlcNCTCharSet); + QCharSet = XrmStringToQuark(XlcNCharSet); + QChar = XrmStringToQuark(XlcNChar); + } + + from_type = XrmStringToQuark(from); + to_type = XrmStringToQuark(to); + + if (from_type == QCharSet || from_type == QChar || to_type == QCharSet || + to_type == QChar) + return (XlcConv) NULL; + + lc_conv = Xmalloc(sizeof(XlcConvRec)); + if (lc_conv == NULL) + return (XlcConv) NULL; + + lc_conv->methods = &conv_methods; + + lc_conv->state = Xcalloc(1, sizeof(ConvRec)); + if (lc_conv->state == NULL) + goto err; + + conv = (Conv) lc_conv->state; + + from_conv = get_converter(from_lcd, from_type, from_lcd, QCTCharSet); + if (from_conv == NULL) + from_conv = get_converter(from_lcd, from_type, from_lcd, QCharSet); + if (from_conv == NULL) + from_conv = get_converter((XLCd)NULL, from_type, (XLCd)NULL, QCharSet); + if (from_conv == NULL) + from_conv = get_converter(from_lcd, from_type, from_lcd, QChar); + if (from_conv == NULL) + goto err; + conv->from_conv = from_conv; + + to_conv = get_converter(to_lcd, QCTCharSet, to_lcd, to_type); + if (to_conv == NULL) + to_conv = get_converter(to_lcd, QCharSet, to_lcd, to_type); + if (to_conv == NULL) + to_conv = get_converter((XLCd) NULL, QCharSet, (XLCd) NULL, to_type); + if (to_conv == NULL) + goto err; + conv->to_conv = to_conv; + + return lc_conv; + +err: + close_indirect_converter(lc_conv); + + return (XlcConv) NULL; +} + +XlcConv +_XlcOpenConverter( + XLCd from_lcd, + const char *from, + XLCd to_lcd, + const char *to) +{ + XlcConv conv; + XrmQuark from_type, to_type; + + from_type = XrmStringToQuark(from); + to_type = XrmStringToQuark(to); + + if ((conv = get_converter(from_lcd, from_type, to_lcd, to_type))) + return conv; + + return open_indirect_converter(from_lcd, from, to_lcd, to); +} + +void +_XlcCloseConverter( + XlcConv conv) +{ + close_converter(conv); +} + +int +_XlcConvert( + XlcConv conv, + XPointer *from, + int *from_left, + XPointer *to, + int *to_left, + XPointer *args, + int num_args) +{ + return (*conv->methods->convert)(conv, from, from_left, to, to_left, args, + num_args); +} + +void +_XlcResetConverter( + XlcConv conv) +{ + if (conv->methods->reset) + (*conv->methods->reset)(conv); +} |