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 9797e7ed3..1b997f5f1 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);
+}
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