diff options
Diffstat (limited to 'libX11/src/xlibi18n/lcRM.c')
-rw-r--r-- | libX11/src/xlibi18n/lcRM.c | 448 |
1 files changed, 224 insertions, 224 deletions
diff --git a/libX11/src/xlibi18n/lcRM.c b/libX11/src/xlibi18n/lcRM.c index 9f72504ee..b83d0cb62 100644 --- a/libX11/src/xlibi18n/lcRM.c +++ b/libX11/src/xlibi18n/lcRM.c @@ -1,224 +1,224 @@ -/* - * 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 - * Bug fixes: Bruno Haible XFree86 Inc. - */ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif -#include "Xlibint.h" -#include "XlcPubI.h" -#include <stdio.h> - -/* - * Default implementation of methods for Xrm parsing. - */ - -/* ======================= Unibyte implementation ======================= */ - -/* Only for efficiency, to speed up things. */ - -/* This implementation must keep the locale, for lcname. */ -typedef struct _UbStateRec { - XLCd lcd; -} UbStateRec, *UbState; - -/* Sets the state to the initial state. - Initiates a sequence of calls to mbchar. */ -static void -ub_mbinit( - XPointer state) -{ -} - -/* Transforms one multibyte character, and return a 'char' in the same - parsing class. Returns the number of consumed bytes in *lenp. */ -static char -ub_mbchar( - XPointer state, - const char *str, - int *lenp) -{ - *lenp = 1; - return *str; -} - -/* Terminates a sequence of calls to mbchar. */ -static void -ub_mbfinish( - XPointer state) -{ -} - -/* Returns the name of the state's locale, as a static string. */ -static const char * -ub_lcname( - XPointer state) -{ - return ((UbState) state)->lcd->core->name; -} - -/* Frees the state, which was allocated by _XrmDefaultInitParseInfo. */ -static void -ub_destroy( - XPointer state) -{ - _XCloseLC(((UbState) state)->lcd); - Xfree((char *) state); -} - -static const XrmMethodsRec ub_methods = { - ub_mbinit, - ub_mbchar, - ub_mbfinish, - ub_lcname, - ub_destroy -}; - -/* ======================= Multibyte implementation ======================= */ - -/* This implementation uses an XlcConv from XlcNMultiByte to XlcNWideChar. */ -typedef struct _MbStateRec { - XLCd lcd; - XlcConv conv; -} MbStateRec, *MbState; - -/* Sets the state to the initial state. - Initiates a sequence of calls to mbchar. */ -static void -mb_mbinit( - XPointer state) -{ - _XlcResetConverter(((MbState) state)->conv); -} - -/* Transforms one multibyte character, and return a 'char' in the same - parsing class. Returns the number of consumed bytes in *lenp. */ -static char -mb_mbchar( - XPointer state, - const char *str, - int *lenp) -{ - XlcConv conv = ((MbState) state)->conv; - const char *from; - wchar_t *to, wc; - int cur_max, i, from_left, to_left, ret; - - cur_max = XLC_PUBLIC(((MbState) state)->lcd, mb_cur_max); - - from = str; - /* Determine from_left. Avoid overrun error which could occur if - from_left > strlen(str). */ - from_left = cur_max; - for (i = 0; i < cur_max; i++) - if (str[i] == '\0') { - from_left = i; - break; - } - *lenp = from_left; - - to = &wc; - to_left = 1; - - ret = _XlcConvert(conv, (XPointer *) &from, &from_left, - (XPointer *) &to, &to_left, NULL, 0); - *lenp -= from_left; - - if (ret < 0 || to_left > 0) { - /* Invalid or incomplete multibyte character seen. */ - *lenp = 1; - return 0x7f; - } - /* Return a 'char' equivalent to wc. */ - return (wc >= 0 && wc <= 0x7f ? wc : 0x7f); -} - -/* Terminates a sequence of calls to mbchar. */ -static void -mb_mbfinish( - XPointer state) -{ -} - -/* Returns the name of the state's locale, as a static string. */ -static const char * -mb_lcname( - XPointer state) -{ - return ((MbState) state)->lcd->core->name; -} - -/* Frees the state, which was allocated by _XrmDefaultInitParseInfo. */ -static void -mb_destroy( - XPointer state) -{ - _XlcCloseConverter(((MbState) state)->conv); - _XCloseLC(((MbState) state)->lcd); - Xfree((char *) state); -} - -static const XrmMethodsRec mb_methods = { - mb_mbinit, - mb_mbchar, - mb_mbfinish, - mb_lcname, - mb_destroy -}; - -/* ======================= Exported function ======================= */ - -XrmMethods -_XrmDefaultInitParseInfo( - XLCd lcd, - XPointer *rm_state) -{ - if (XLC_PUBLIC(lcd, mb_cur_max) == 1) { - /* Unibyte case. */ - UbState state = (UbState) Xmalloc(sizeof(UbStateRec)); - if (state == NULL) - return (XrmMethods) NULL; - - state->lcd = lcd; - - *rm_state = (XPointer) state; - return &ub_methods; - } else { - /* Multibyte case. */ - MbState state = (MbState) Xmalloc(sizeof(MbStateRec)); - if (state == NULL) - return (XrmMethods) NULL; - - state->lcd = lcd; - state->conv = _XlcOpenConverter(lcd, XlcNMultiByte, lcd, XlcNWideChar); - if (state->conv == NULL) { - Xfree((char *) state); - return (XrmMethods) NULL; - } - - *rm_state = (XPointer) state; - return &mb_methods; - } -} +/*
+ * 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
+ * Bug fixes: Bruno Haible XFree86 Inc.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xlibint.h"
+#include "XlcPubI.h"
+#include <stdio.h>
+
+/*
+ * Default implementation of methods for Xrm parsing.
+ */
+
+/* ======================= Unibyte implementation ======================= */
+
+/* Only for efficiency, to speed up things. */
+
+/* This implementation must keep the locale, for lcname. */
+typedef struct _UbStateRec {
+ XLCd lcd;
+} UbStateRec, *UbState;
+
+/* Sets the state to the initial state.
+ Initiates a sequence of calls to mbchar. */
+static void
+ub_mbinit(
+ XPointer state)
+{
+}
+
+/* Transforms one multibyte character, and return a 'char' in the same
+ parsing class. Returns the number of consumed bytes in *lenp. */
+static char
+ub_mbchar(
+ XPointer state,
+ const char *str,
+ int *lenp)
+{
+ *lenp = 1;
+ return *str;
+}
+
+/* Terminates a sequence of calls to mbchar. */
+static void
+ub_mbfinish(
+ XPointer state)
+{
+}
+
+/* Returns the name of the state's locale, as a static string. */
+static const char *
+ub_lcname(
+ XPointer state)
+{
+ return ((UbState) state)->lcd->core->name;
+}
+
+/* Frees the state, which was allocated by _XrmDefaultInitParseInfo. */
+static void
+ub_destroy(
+ XPointer state)
+{
+ _XCloseLC(((UbState) state)->lcd);
+ Xfree((char *) state);
+}
+
+static const XrmMethodsRec ub_methods = {
+ ub_mbinit,
+ ub_mbchar,
+ ub_mbfinish,
+ ub_lcname,
+ ub_destroy
+};
+
+/* ======================= Multibyte implementation ======================= */
+
+/* This implementation uses an XlcConv from XlcNMultiByte to XlcNWideChar. */
+typedef struct _MbStateRec {
+ XLCd lcd;
+ XlcConv conv;
+} MbStateRec, *MbState;
+
+/* Sets the state to the initial state.
+ Initiates a sequence of calls to mbchar. */
+static void
+mb_mbinit(
+ XPointer state)
+{
+ _XlcResetConverter(((MbState) state)->conv);
+}
+
+/* Transforms one multibyte character, and return a 'char' in the same
+ parsing class. Returns the number of consumed bytes in *lenp. */
+static char
+mb_mbchar(
+ XPointer state,
+ const char *str,
+ int *lenp)
+{
+ XlcConv conv = ((MbState) state)->conv;
+ const char *from;
+ wchar_t *to, wc;
+ int cur_max, i, from_left, to_left, ret;
+
+ cur_max = XLC_PUBLIC(((MbState) state)->lcd, mb_cur_max);
+
+ from = str;
+ /* Determine from_left. Avoid overrun error which could occur if
+ from_left > strlen(str). */
+ from_left = cur_max;
+ for (i = 0; i < cur_max; i++)
+ if (str[i] == '\0') {
+ from_left = i;
+ break;
+ }
+ *lenp = from_left;
+
+ to = &wc;
+ to_left = 1;
+
+ ret = _XlcConvert(conv, (XPointer *) &from, &from_left,
+ (XPointer *) &to, &to_left, NULL, 0);
+ *lenp -= from_left;
+
+ if (ret < 0 || to_left > 0) {
+ /* Invalid or incomplete multibyte character seen. */
+ *lenp = 1;
+ return 0x7f;
+ }
+ /* Return a 'char' equivalent to wc. */
+ return (wc >= 0 && wc <= 0x7f ? wc : 0x7f);
+}
+
+/* Terminates a sequence of calls to mbchar. */
+static void
+mb_mbfinish(
+ XPointer state)
+{
+}
+
+/* Returns the name of the state's locale, as a static string. */
+static const char *
+mb_lcname(
+ XPointer state)
+{
+ return ((MbState) state)->lcd->core->name;
+}
+
+/* Frees the state, which was allocated by _XrmDefaultInitParseInfo. */
+static void
+mb_destroy(
+ XPointer state)
+{
+ _XlcCloseConverter(((MbState) state)->conv);
+ _XCloseLC(((MbState) state)->lcd);
+ Xfree((char *) state);
+}
+
+static const XrmMethodsRec mb_methods = {
+ mb_mbinit,
+ mb_mbchar,
+ mb_mbfinish,
+ mb_lcname,
+ mb_destroy
+};
+
+/* ======================= Exported function ======================= */
+
+XrmMethods
+_XrmDefaultInitParseInfo(
+ XLCd lcd,
+ XPointer *rm_state)
+{
+ if (XLC_PUBLIC(lcd, mb_cur_max) == 1) {
+ /* Unibyte case. */
+ UbState state = (UbState) Xmalloc(sizeof(UbStateRec));
+ if (state == NULL)
+ return (XrmMethods) NULL;
+
+ state->lcd = lcd;
+
+ *rm_state = (XPointer) state;
+ return &ub_methods;
+ } else {
+ /* Multibyte case. */
+ MbState state = (MbState) Xmalloc(sizeof(MbStateRec));
+ if (state == NULL)
+ return (XrmMethods) NULL;
+
+ state->lcd = lcd;
+ state->conv = _XlcOpenConverter(lcd, XlcNMultiByte, lcd, XlcNWideChar);
+ if (state->conv == NULL) {
+ Xfree((char *) state);
+ return (XrmMethods) NULL;
+ }
+
+ *rm_state = (XPointer) state;
+ return &mb_methods;
+ }
+}
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