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-rw-r--r--libX11/src/StrKeysym.c158
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diff --git a/libX11/src/StrKeysym.c b/libX11/src/StrKeysym.c
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+/* $Xorg: StrKeysym.c,v 1.5 2001/02/09 02:03:37 xorgcvs Exp $ */
+/*
+
+Copyright 1985, 1987, 1990, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from The Open Group.
+
+*/
+/* $XFree86: xc/lib/X11/StrKeysym.c,v 3.7 2003/04/13 19:22:18 dawes Exp $ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xlibint.h"
+#include <X11/Xresource.h>
+#include <X11/keysymdef.h>
+#include "Xresinternal.h"
+
+#define NEEDKTABLE
+#include "ks_tables.h"
+#include "Key.h"
+
+#ifndef KEYSYMDB
+#ifndef XKEYSYMDB
+#define KEYSYMDB "/usr/lib/X11/XKeysymDB"
+#else
+#define KEYSYMDB XKEYSYMDB
+#endif
+#endif
+
+static Bool initialized;
+static XrmDatabase keysymdb;
+static XrmQuark Qkeysym[2];
+
+XrmDatabase
+_XInitKeysymDB(void)
+{
+ if (!initialized)
+ {
+ const char *dbname;
+
+ XrmInitialize();
+ /* use and name of this env var is not part of the standard */
+ /* implementation-dependent feature */
+ dbname = getenv("XKEYSYMDB");
+ if (!dbname)
+ dbname = KEYSYMDB;
+ keysymdb = XrmGetFileDatabase(dbname);
+ if (keysymdb)
+ Qkeysym[0] = XrmStringToQuark("Keysym");
+ initialized = True;
+ }
+ return keysymdb;
+}
+
+KeySym
+XStringToKeysym(_Xconst char *s)
+{
+ register int i, n;
+ int h;
+ register Signature sig = 0;
+ register const char *p = s;
+ register int c;
+ register int idx;
+ const unsigned char *entry;
+ unsigned char sig1, sig2;
+ KeySym val;
+
+ while ((c = *p++))
+ sig = (sig << 1) + c;
+ i = sig % KTABLESIZE;
+ h = i + 1;
+ sig1 = (sig >> 8) & 0xff;
+ sig2 = sig & 0xff;
+ n = KMAXHASH;
+ while ((idx = hashString[i]))
+ {
+ entry = &_XkeyTable[idx];
+ if ((entry[0] == sig1) && (entry[1] == sig2) &&
+ !strcmp(s, (char *)entry + 6))
+ {
+ val = (entry[2] << 24) | (entry[3] << 16) |
+ (entry[4] << 8) | entry[5];
+ if (!val)
+ val = XK_VoidSymbol;
+ return val;
+ }
+ if (!--n)
+ break;
+ i += h;
+ if (i >= KTABLESIZE)
+ i -= KTABLESIZE;
+ }
+
+ if (!initialized)
+ (void)_XInitKeysymDB();
+ if (keysymdb)
+ {
+ XrmValue result;
+ XrmRepresentation from_type;
+ char c;
+ XrmQuark names[2];
+
+ names[0] = _XrmInternalStringToQuark(s, p - s - 1, sig, False);
+ names[1] = NULLQUARK;
+ (void)XrmQGetResource(keysymdb, names, Qkeysym, &from_type, &result);
+ if (result.addr && (result.size > 1))
+ {
+ val = 0;
+ for (i = 0; i < result.size - 1; i++)
+ {
+ c = ((char *)result.addr)[i];
+ if ('0' <= c && c <= '9') val = (val<<4)+c-'0';
+ else if ('a' <= c && c <= 'f') val = (val<<4)+c-'a'+10;
+ else if ('A' <= c && c <= 'F') val = (val<<4)+c-'A'+10;
+ else return NoSymbol;
+ }
+ return val;
+ }
+ }
+
+ if (*s == 'U') {
+ val = 0;
+ for (p = &s[1]; *p; p++) {
+ c = *p;
+ if ('0' <= c && c <= '9') val = (val<<4)+c-'0';
+ else if ('a' <= c && c <= 'f') val = (val<<4)+c-'a'+10;
+ else if ('A' <= c && c <= 'F') val = (val<<4)+c-'A'+10;
+ else return NoSymbol;
+ if (val > 0x10ffff)
+ return NoSymbol;
+ }
+ if (val < 0x20 || (val > 0x7e && val < 0xa0))
+ return NoSymbol;
+ if (val < 0x100)
+ return val;
+ return val | 0x01000000;
+ }
+ return NoSymbol;
+}