diff options
Diffstat (limited to 'libX11/src/xlibi18n/lcConv.c')
-rw-r--r-- | libX11/src/xlibi18n/lcConv.c | 678 |
1 files changed, 339 insertions, 339 deletions
diff --git a/libX11/src/xlibi18n/lcConv.c b/libX11/src/xlibi18n/lcConv.c index 1b997f5f1..9797e7ed3 100644 --- a/libX11/src/xlibi18n/lcConv.c +++ b/libX11/src/xlibi18n/lcConv.c @@ -1,339 +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 = (XlcConverterList) 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((char *) conv);
- }
-
- Xfree((char *) 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 = (XlcConv) Xmalloc(sizeof(XlcConvRec));
- if (lc_conv == NULL)
- return (XlcConv) NULL;
-
- lc_conv->methods = &conv_methods;
-
- lc_conv->state = (XPointer) 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);
-}
+/* + * 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 = (XlcConverterList) 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((char *) conv); + } + + Xfree((char *) 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 = (XlcConv) Xmalloc(sizeof(XlcConvRec)); + if (lc_conv == NULL) + return (XlcConv) NULL; + + lc_conv->methods = &conv_methods; + + lc_conv->state = (XPointer) 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); +} |