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Diffstat (limited to 'nx-X11/lib/src/util/makekeys.c')
-rw-r--r--nx-X11/lib/src/util/makekeys.c317
1 files changed, 317 insertions, 0 deletions
diff --git a/nx-X11/lib/src/util/makekeys.c b/nx-X11/lib/src/util/makekeys.c
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index 000000000..897b882dc
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+++ b/nx-X11/lib/src/util/makekeys.c
@@ -0,0 +1,317 @@
+/*
+
+Copyright 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.
+
+*/
+
+/* Constructs hash tables for XStringToKeysym and XKeysymToString. */
+
+#include <nx-X11/X.h>
+#include <nx-X11/Xos.h>
+#include <nx-X11/Xresource.h>
+#include <nx-X11/keysymdef.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "../Xresinternal.h"
+
+#define KTNUM 4000
+
+static struct info {
+ char *name;
+ KeySym val;
+} info[KTNUM];
+
+#define MIN_REHASH 15
+#define MATCHES 10
+
+static char tab[KTNUM];
+static unsigned short offsets[KTNUM];
+static unsigned short indexes[KTNUM];
+static KeySym values[KTNUM];
+static int ksnum = 0;
+
+static int
+parse_line(const char *buf, char *key, KeySym *val, char *prefix)
+{
+ int i;
+ char alias[128];
+ char *tmp, *tmpa;
+
+ /* See if we can catch a straight XK_foo 0x1234-style definition first;
+ * the trickery around tmp is to account for prefices. */
+ i = sscanf(buf, "#define %127s 0x%lx", key, val);
+ if (i == 2 && (tmp = strstr(key, "XK_"))) {
+ memcpy(prefix, key, tmp - key);
+ prefix[tmp - key] = '\0';
+ tmp += 3;
+ memmove(key, tmp, strlen(tmp) + 1);
+ return 1;
+ }
+
+ /* Now try to catch alias (XK_foo XK_bar) definitions, and resolve them
+ * immediately: if the target is in the form XF86XK_foo, we need to
+ * canonicalise this to XF86foo before we do the lookup. */
+ i = sscanf(buf, "#define %127s %127s", key, alias);
+ if (i == 2 && (tmp = strstr(key, "XK_")) && (tmpa = strstr(alias, "XK_"))) {
+ memcpy(prefix, key, tmp - key);
+ prefix[tmp - key] = '\0';
+ tmp += 3;
+ memmove(key, tmp, strlen(tmp) + 1);
+ memmove(tmpa, tmpa + 3, strlen(tmpa + 3) + 1);
+
+ for (i = ksnum - 1; i >= 0; i--) {
+ if (strcmp(info[i].name, alias) == 0) {
+ *val = info[i].val;
+ return 1;
+ }
+ }
+
+ fprintf(stderr, "can't find matching definition %s for keysym %s%s\n",
+ alias, prefix, key);
+ }
+
+ return 0;
+}
+
+int
+main(int argc, char *argv[])
+{
+ int max_rehash;
+ Signature sig;
+ int i, j, k, l, z;
+ FILE *fptr;
+ char *name;
+ char c;
+ int first;
+ int best_max_rehash;
+ int best_z = 0;
+ int num_found;
+ KeySym val;
+ char key[128], prefix[128];
+ static char buf[1024];
+
+ for (l = 1; l < argc; l++) {
+ fptr = fopen(argv[l], "r");
+ if (!fptr) {
+ fprintf(stderr, "couldn't open %s\n", argv[l]);
+ continue;
+ }
+
+ while (fgets(buf, sizeof(buf), fptr)) {
+ if (!parse_line(buf, key, &val, prefix))
+ continue;
+
+ if (val == XK_VoidSymbol)
+ val = 0;
+ if (val > 0x1fffffff) {
+ fprintf(stderr, "ignoring illegal keysym (%s, %lx)\n", key,
+ val);
+ continue;
+ }
+
+ name = malloc(strlen(prefix) + strlen(key) + 1);
+ if (!name) {
+ fprintf(stderr, "makekeys: out of memory!\n");
+ exit(1);
+ }
+ sprintf(name, "%s%s", prefix, key);
+ info[ksnum].name = name;
+ info[ksnum].val = val;
+ ksnum++;
+ if (ksnum == KTNUM) {
+ fprintf(stderr, "makekeys: too many keysyms!\n");
+ exit(1);
+ }
+ }
+
+ fclose(fptr);
+ }
+
+ printf("/* This file is generated from keysymdef.h. */\n");
+ printf("/* Do not edit. */\n");
+ printf("\n");
+
+ best_max_rehash = ksnum;
+ num_found = 0;
+ for (z = ksnum; z < KTNUM; z++) {
+ max_rehash = 0;
+ for (name = tab, i = z; --i >= 0;)
+ *name++ = 0;
+ for (i = 0; i < ksnum; i++) {
+ name = info[i].name;
+ sig = 0;
+ while ((c = *name++))
+ sig = (sig << 1) + c;
+ first = j = sig % z;
+ for (k = 0; tab[j]; k++) {
+ j += first + 1;
+ if (j >= z)
+ j -= z;
+ if (j == first)
+ goto next1;
+ }
+ tab[j] = 1;
+ if (k > max_rehash)
+ max_rehash = k;
+ }
+ if (max_rehash < MIN_REHASH) {
+ if (max_rehash < best_max_rehash) {
+ best_max_rehash = max_rehash;
+ best_z = z;
+ }
+ num_found++;
+ if (num_found >= MATCHES)
+ break;
+ }
+next1: ;
+ }
+
+ z = best_z;
+ if (z == 0) {
+ fprintf(stderr, "makekeys: failed to find small enough hash!\n"
+ "Try increasing KTNUM in makekeys.c\n");
+ exit(1);
+ }
+ printf("#ifdef NEEDKTABLE\n");
+ printf("const unsigned char _XkeyTable[] = {\n");
+ printf("0,\n");
+ k = 1;
+ for (i = 0; i < ksnum; i++) {
+ name = info[i].name;
+ sig = 0;
+ while ((c = *name++))
+ sig = (sig << 1) + c;
+ first = j = sig % z;
+ while (offsets[j]) {
+ j += first + 1;
+ if (j >= z)
+ j -= z;
+ }
+ offsets[j] = k;
+ indexes[i] = k;
+ val = info[i].val;
+ printf("0x%.2"PRIx32", 0x%.2"PRIx32", 0x%.2lx, 0x%.2lx, 0x%.2lx, 0x%.2lx, ",
+ (sig >> 8) & 0xff, sig & 0xff,
+ (val >> 24) & 0xff, (val >> 16) & 0xff,
+ (val >> 8) & 0xff, val & 0xff);
+ for (name = info[i].name, k += 7; (c = *name++); k++)
+ printf("'%c',", c);
+ printf((i == (ksnum-1)) ? "0\n" : "0,\n");
+ }
+ printf("};\n");
+ printf("\n");
+ printf("#define KTABLESIZE %d\n", z);
+ printf("#define KMAXHASH %d\n", best_max_rehash + 1);
+ printf("\n");
+ printf("static const unsigned short hashString[KTABLESIZE] = {\n");
+ for (i = 0; i < z;) {
+ printf("0x%.4x", offsets[i]);
+ i++;
+ if (i == z)
+ break;
+ printf((i & 7) ? ", " : ",\n");
+ }
+ printf("\n");
+ printf("};\n");
+ printf("#endif /* NEEDKTABLE */\n");
+
+ best_max_rehash = ksnum;
+ num_found = 0;
+ for (z = ksnum; z < KTNUM; z++) {
+ max_rehash = 0;
+ for (name = tab, i = z; --i >= 0;)
+ *name++ = 0;
+ for (i = 0; i < ksnum; i++) {
+ val = info[i].val;
+ first = j = val % z;
+ for (k = 0; tab[j]; k++) {
+ if (values[j] == val)
+ goto skip1;
+ j += first + 1;
+ if (j >= z)
+ j -= z;
+ if (j == first)
+ goto next2;
+ }
+ tab[j] = 1;
+ values[j] = val;
+ if (k > max_rehash)
+ max_rehash = k;
+skip1: ;
+ }
+ if (max_rehash < MIN_REHASH) {
+ if (max_rehash < best_max_rehash) {
+ best_max_rehash = max_rehash;
+ best_z = z;
+ }
+ num_found++;
+ if (num_found >= MATCHES)
+ break;
+ }
+next2: ;
+ }
+
+ z = best_z;
+ if (z == 0) {
+ fprintf(stderr, "makekeys: failed to find small enough hash!\n"
+ "Try increasing KTNUM in makekeys.c\n");
+ exit(1);
+ }
+ for (i = z; --i >= 0;)
+ offsets[i] = 0;
+ for (i = 0; i < ksnum; i++) {
+ val = info[i].val;
+ first = j = val % z;
+ while (offsets[j]) {
+ if (values[j] == val)
+ goto skip2;
+ j += first + 1;
+ if (j >= z)
+ j -= z;
+ }
+ offsets[j] = indexes[i] + 2;
+ values[j] = val;
+skip2: ;
+ }
+ printf("\n");
+ printf("#ifdef NEEDVTABLE\n");
+ printf("#define VTABLESIZE %d\n", z);
+ printf("#define VMAXHASH %d\n", best_max_rehash + 1);
+ printf("\n");
+ printf("static const unsigned short hashKeysym[VTABLESIZE] = {\n");
+ for (i = 0; i < z;) {
+ printf("0x%.4x", offsets[i]);
+ i++;
+ if (i == z)
+ break;
+ printf((i & 7) ? ", " : ",\n");
+ }
+ printf("\n");
+ printf("};\n");
+ printf("#endif /* NEEDVTABLE */\n");
+
+ exit(0);
+}
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