Imported nx-X11-3.1.0-1.tar.gznx-X11/3.1.0-1

Summary: Imported nx-X11-3.1.0-1.tar.gz
Keywords:

Imported nx-X11-3.1.0-1.tar.gz
into Git repository

1 files changed, 226 insertions, 0 deletions

diff --git a/nx-X11/lib/X11/lcRM.c b/nx-X11/lib/X11/lcRM.c
new file mode 100644
index 000000000..1ffa4ef72
--- /dev/null
+++ b/nx-X11/lib/X11/lcRM.c
@@ -0,0 +1,226 @@
+/* $Xorg: lcRM.c,v 1.3 2000/08/17 19:45:19 cpqbld Exp $ */
+/*
+ * 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.
+ */
+/* $XFree86: xc/lib/X11/lcRM.c,v 1.4 2000/11/28 18:49:48 dawes Exp $ */
+
+#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;
+    }
+}