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-rw-r--r--src/libs/libxutil/DviChar.c679
1 files changed, 679 insertions, 0 deletions
diff --git a/src/libs/libxutil/DviChar.c b/src/libs/libxutil/DviChar.c
new file mode 100644
index 0000000..fe086fc
--- /dev/null
+++ b/src/libs/libxutil/DviChar.c
@@ -0,0 +1,679 @@
+/* Copyright (C) 2014-2020 Free Software Foundation, Inc.
+
+This file is part of groff.
+
+groff is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free
+Software Foundation, either version 2 of the License, or
+(at your option) any later version.
+
+groff is distributed in the hope that it will be useful, but WITHOUT ANY
+WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+for more details.
+
+The GNU General Public License version 2 (GPL2) is available in the
+internet at <http://www.gnu.org/licenses/gpl-2.0.txt>. */
+
+/*
+ * DviChar.c
+ *
+ * Map DVI (ditroff output) character names to
+ * font indexes and back
+ */
+
+#include <config.h>
+
+#include <stdlib.h>
+#include <string.h>
+#include "DviChar.h"
+
+extern char *xmalloc(int);
+
+#define allocHash() ((DviCharNameHash *) xmalloc (sizeof (DviCharNameHash)))
+
+struct map_list {
+ struct map_list *next;
+ DviCharNameMap *map;
+};
+
+static struct map_list *world;
+
+static int standard_maps_loaded = 0;
+static void load_standard_maps (void);
+static int hash_name (const char *);
+static void dispose_hash(DviCharNameMap *);
+static void compute_hash(DviCharNameMap *);
+
+DviCharNameMap *
+DviFindMap (char *encoding)
+{
+ struct map_list *m;
+
+ if (!standard_maps_loaded)
+ load_standard_maps ();
+ for (m = world; m; m=m->next)
+ if (!strcmp (m->map->encoding, encoding))
+ return m->map;
+ return 0;
+}
+
+void
+DviRegisterMap (DviCharNameMap *map)
+{
+ struct map_list *m;
+
+ if (!standard_maps_loaded)
+ load_standard_maps ();
+ for (m = world; m; m = m->next)
+ if (!strcmp (m->map->encoding, map->encoding))
+ break;
+ if (!m) {
+ m = (struct map_list *) xmalloc (sizeof *m);
+ m->next = world;
+ world = m;
+ }
+ dispose_hash (map);
+ m->map = map;
+ compute_hash (map);
+}
+
+static void
+dispose_hash (DviCharNameMap *map)
+{
+ DviCharNameHash **buckets;
+ DviCharNameHash *h, *next;
+ int i;
+
+ buckets = map->buckets;
+ for (i = 0; i < DVI_HASH_SIZE; i++) {
+ for (h = buckets[i]; h; h=next) {
+ next = h->next;
+ free (h);
+ }
+ }
+}
+
+static int
+hash_name (const char *name)
+{
+ int i = 0;
+
+ while (*name)
+ i = (i << 1) ^ *name++;
+ if (i < 0)
+ i = -i;
+ return i;
+}
+
+static void
+compute_hash (DviCharNameMap *map)
+{
+ DviCharNameHash **buckets;
+ int c, s, i;
+ DviCharNameHash *h;
+
+ buckets = map->buckets;
+ for (i = 0; i < DVI_HASH_SIZE; i++)
+ buckets[i] = 0;
+ for (c = 0; c < DVI_MAP_SIZE; c++)
+ for (s = 0; s < DVI_MAX_SYNONYMS; s++) {
+ if (!map->dvi_names[c][s])
+ break;
+ i = hash_name (map->dvi_names[c][s]) % DVI_HASH_SIZE;
+ h = allocHash ();
+ h->next = buckets[i];
+ buckets[i] = h;
+ h->name = map->dvi_names[c][s];
+ h->position = c;
+ }
+
+}
+
+int
+DviCharIndex (DviCharNameMap *map, const char *name)
+{
+ int i;
+ DviCharNameHash *h;
+
+ i = hash_name (name) % DVI_HASH_SIZE;
+ for (h = map->buckets[i]; h; h=h->next)
+ if (!strcmp (h->name, name))
+ return h->position;
+ return -1;
+}
+
+static DviCharNameMap ISO8859_1_map = {
+ "iso8859-1",
+ 0,
+{
+{ 0, /* 0 */},
+{ 0, /* 1 */},
+{ 0, /* 2 */},
+{ 0, /* 3 */},
+{ 0, /* 4 */},
+{ 0, /* 5 */},
+{ 0, /* 6 */},
+{ 0, /* 7 */},
+{ 0, /* 8 */},
+{ 0, /* 9 */},
+{ 0, /* 10 */},
+{ 0, /* 11 */},
+{ 0, /* 12 */},
+{ 0, /* 13 */},
+{ 0, /* 14 */},
+{ 0, /* 15 */},
+{ 0, /* 16 */},
+{ 0, /* 17 */},
+{ 0, /* 18 */},
+{ 0, /* 19 */},
+{ 0, /* 20 */},
+{ 0, /* 21 */},
+{ 0, /* 22 */},
+{ 0, /* 23 */},
+{ 0, /* 24 */},
+{ 0, /* 25 */},
+{ 0, /* 26 */},
+{ 0, /* 27 */},
+{ 0, /* 28 */},
+{ 0, /* 29 */},
+{ 0, /* 30 */},
+{ 0, /* 31 */},
+{ 0, /* 32 */},
+{ "!", /* 33 */},
+{ "\"", "dq", /* 34 */},
+{ "#", "sh", /* 35 */},
+{ "$", "Do", /* 36 */},
+{ "%", /* 37 */},
+{ "&", /* 38 */},
+{ "'", "aq", "cq", "oq", /* 39 */},
+{ "(", /* 40 */},
+{ ")", /* 41 */},
+{ "*", /* 42 */},
+{ "+", /* 43 */},
+{ ",", /* 44 */},
+{ "\\-", /* 45 */},
+{ ".", /* 46 */},
+{ "/", "sl", /* 47 */},
+{ "0", /* 48 */},
+{ "1", /* 49 */},
+{ "2", /* 50 */},
+{ "3", /* 51 */},
+{ "4", /* 52 */},
+{ "5", /* 53 */},
+{ "6", /* 54 */},
+{ "7", /* 55 */},
+{ "8", /* 56 */},
+{ "9", /* 57 */},
+{ ":", /* 58 */},
+{ ";", /* 59 */},
+{ "<", /* 60 */},
+{ "=", /* 61 */},
+{ ">", /* 62 */},
+{ "?", /* 63 */},
+{ "@", "at", /* 64 */},
+{ "A", /* 65 */},
+{ "B", /* 66 */},
+{ "C", /* 67 */},
+{ "D", /* 68 */},
+{ "E", /* 69 */},
+{ "F", /* 70 */},
+{ "G", /* 71 */},
+{ "H", /* 72 */},
+{ "I", /* 73 */},
+{ "J", /* 74 */},
+{ "K", /* 75 */},
+{ "L", /* 76 */},
+{ "M", /* 77 */},
+{ "N", /* 78 */},
+{ "O", /* 79 */},
+{ "P", /* 80 */},
+{ "Q", /* 81 */},
+{ "R", /* 82 */},
+{ "S", /* 83 */},
+{ "T", /* 84 */},
+{ "U", /* 85 */},
+{ "V", /* 86 */},
+{ "W", /* 87 */},
+{ "X", /* 88 */},
+{ "Y", /* 89 */},
+{ "Z", /* 90 */},
+{ "[", "lB", /* 91 */},
+{ "\\", "rs", /* 92 */},
+{ "]", "rB", /* 93 */},
+{ "^", "a^", "ha", /* 94 */},
+{ "_", /* 95 */},
+{ "`", "ga", /* 96 */},
+{ "a", /* 97 */},
+{ "b", /* 98 */},
+{ "c", /* 99 */},
+{ "d", /* 100 */},
+{ "e", /* 101 */},
+{ "f", /* 102 */},
+{ "g", /* 103 */},
+{ "h", /* 104 */},
+{ "i", /* 105 */},
+{ "j", /* 106 */},
+{ "k", /* 107 */},
+{ "l", /* 108 */},
+{ "m", /* 109 */},
+{ "n", /* 110 */},
+{ "o", /* 111 */},
+{ "p", /* 112 */},
+{ "q", /* 113 */},
+{ "r", /* 114 */},
+{ "s", /* 115 */},
+{ "t", /* 116 */},
+{ "u", /* 117 */},
+{ "v", /* 118 */},
+{ "w", /* 119 */},
+{ "x", /* 120 */},
+{ "y", /* 121 */},
+{ "z", /* 122 */},
+{ "{", "lC", /* 123 */},
+{ "|", "ba", /* 124 */},
+{ "}", "rC", /* 125 */},
+{ "~", "a~", "ti", /* 126 */},
+{ 0, /* 127 */},
+{ 0, /* 128 */},
+{ 0, /* 129 */},
+{ 0, /* 130 */},
+{ 0, /* 131 */},
+{ 0, /* 132 */},
+{ 0, /* 133 */},
+{ 0, /* 134 */},
+{ 0, /* 135 */},
+{ 0, /* 136 */},
+{ 0, /* 137 */},
+{ 0, /* 138 */},
+{ 0, /* 139 */},
+{ 0, /* 140 */},
+{ 0, /* 141 */},
+{ 0, /* 142 */},
+{ 0, /* 143 */},
+{ 0, /* 144 */},
+{ 0, /* 145 */},
+{ 0, /* 146 */},
+{ 0, /* 147 */},
+{ 0, /* 148 */},
+{ 0, /* 149 */},
+{ 0, /* 150 */},
+{ 0, /* 151 */},
+{ 0, /* 152 */},
+{ 0, /* 153 */},
+{ 0, /* 154 */},
+{ 0, /* 155 */},
+{ 0, /* 156 */},
+{ 0, /* 157 */},
+{ 0, /* 158 */},
+{ 0, /* 159 */},
+{ 0, /* 160 */},
+{ "r!", /* 161 */},
+{ "ct", /* 162 */},
+{ "Po", /* 163 */},
+{ "Cs", /* 164 */},
+{ "Ye", /* 165 */},
+{ "bb", /* 166 */},
+{ "sc", /* 167 */},
+{ "ad", /* 168 */},
+{ "co", /* 169 */},
+{ "Of", /* 170 */},
+{ "Fo", /* 171 */},
+{ "tno", /* 172 */},
+{ "-", "hy", /* 173 */},
+{ "rg", /* 174 */},
+{ "a-", /* 175 */},
+{ "de", /* 176 */},
+{ "t+-", /* 177 */},
+{ "S2", /* 178 */},
+{ "S3", /* 179 */},
+{ "aa", /* 180 */},
+{ "mc", /* 181 */},
+{ "ps", /* 182 */},
+{ "pc", /* 183 */},
+{ "ac", /* 184 */},
+{ "S1", /* 185 */},
+{ "Om", /* 186 */},
+{ "Fc", /* 187 */},
+{ "14", /* 188 */},
+{ "12", /* 189 */},
+{ "34", /* 190 */},
+{ "r?", /* 191 */},
+{ "`A", /* 192 */},
+{ "'A", /* 193 */},
+{ "^A", /* 194 */},
+{ "~A", /* 195 */},
+{ ":A", /* 196 */},
+{ "oA", /* 197 */},
+{ "AE", /* 198 */},
+{ ",C", /* 199 */},
+{ "`E", /* 200 */},
+{ "'E", /* 201 */},
+{ "^E", /* 202 */},
+{ ":E", /* 203 */},
+{ "`I", /* 204 */},
+{ "'I", /* 205 */},
+{ "^I", /* 206 */},
+{ ":I", /* 207 */},
+{ "-D", /* 208 */},
+{ "~N", /* 209 */},
+{ "`O", /* 210 */},
+{ "'O", /* 211 */},
+{ "^O", /* 212 */},
+{ "~O", /* 213 */},
+{ ":O", /* 214 */},
+{ "tmu", /* 215 */},
+{ "/O", /* 216 */},
+{ "`U", /* 217 */},
+{ "'U", /* 218 */},
+{ "^U", /* 219 */},
+{ ":U", /* 220 */},
+{ "'Y", /* 221 */},
+{ "TP", /* 222 */},
+{ "ss", /* 223 */},
+{ "`a", /* 224 */},
+{ "'a", /* 225 */},
+{ "^a", /* 226 */},
+{ "~a", /* 227 */},
+{ ":a", /* 228 */},
+{ "oa", /* 229 */},
+{ "ae", /* 230 */},
+{ ",c", /* 231 */},
+{ "`e", /* 232 */},
+{ "'e", /* 233 */},
+{ "^e", /* 234 */},
+{ ":e", /* 235 */},
+{ "`i", /* 236 */},
+{ "'i", /* 237 */},
+{ "^i", /* 238 */},
+{ ":i", /* 239 */},
+{ "Sd", /* 240 */},
+{ "~n", /* 241 */},
+{ "`o", /* 242 */},
+{ "'o", /* 243 */},
+{ "^o", /* 244 */},
+{ "~o", /* 245 */},
+{ ":o", /* 246 */},
+{ "tdi", /* 247 */},
+{ "/o", /* 248 */},
+{ "`u", /* 249 */},
+{ "'u", /* 250 */},
+{ "^u", /* 251 */},
+{ ":u", /* 252 */},
+{ "'y", /* 253 */},
+{ "Tp", /* 254 */},
+{ ":y", /* 255 */},
+},
+ {0} /* buckets */};
+
+static DviCharNameMap Adobe_Symbol_map = {
+ "adobe-fontspecific",
+ 1,
+{
+{ 0, /* 0 */},
+{ 0, /* 1 */},
+{ 0, /* 2 */},
+{ 0, /* 3 */},
+{ 0, /* 4 */},
+{ 0, /* 5 */},
+{ 0, /* 6 */},
+{ 0, /* 7 */},
+{ 0, /* 8 */},
+{ 0, /* 9 */},
+{ 0, /* 10 */},
+{ 0, /* 11 */},
+{ 0, /* 12 */},
+{ 0, /* 13 */},
+{ 0, /* 14 */},
+{ 0, /* 15 */},
+{ 0, /* 16 */},
+{ 0, /* 17 */},
+{ 0, /* 18 */},
+{ 0, /* 19 */},
+{ 0, /* 20 */},
+{ 0, /* 21 */},
+{ 0, /* 22 */},
+{ 0, /* 23 */},
+{ 0, /* 24 */},
+{ 0, /* 25 */},
+{ 0, /* 26 */},
+{ 0, /* 27 */},
+{ 0, /* 28 */},
+{ 0, /* 29 */},
+{ 0, /* 30 */},
+{ 0, /* 31 */},
+{ 0, /* 32 */},
+{ "!", /* 33 */},
+{ "fa", /* 34 */},
+{ "#", "sh", /* 35 */},
+{ "te", /* 36 */},
+{ "%", /* 37 */},
+{ "&", /* 38 */},
+{ "st", /* 39 */},
+{ "(", /* 40 */},
+{ ")", /* 41 */},
+{ "**", /* 42 */},
+{ "+", "pl", /* 43 */},
+{ ",", /* 44 */},
+{ "\\-", "mi", /* 45 */},
+{ ".", /* 46 */},
+{ "/", "sl", /* 47 */},
+{ "0", /* 48 */},
+{ "1", /* 49 */},
+{ "2", /* 50 */},
+{ "3", /* 51 */},
+{ "4", /* 52 */},
+{ "5", /* 53 */},
+{ "6", /* 54 */},
+{ "7", /* 55 */},
+{ "8", /* 56 */},
+{ "9", /* 57 */},
+{ ":", /* 58 */},
+{ ";", /* 59 */},
+{ "<", /* 60 */},
+{ "=", "eq", /* 61 */},
+{ ">", /* 62 */},
+{ "?", /* 63 */},
+{ "=~", /* 64 */},
+{ "*A", /* 65 */},
+{ "*B", /* 66 */},
+{ "*X", /* 67 */},
+{ "*D", /* 68 */},
+{ "*E", /* 69 */},
+{ "*F", /* 70 */},
+{ "*G", /* 71 */},
+{ "*Y", /* 72 */},
+{ "*I", /* 73 */},
+{ "+h", /* 74 */},
+{ "*K", /* 75 */},
+{ "*L", /* 76 */},
+{ "*M", /* 77 */},
+{ "*N", /* 78 */},
+{ "*O", /* 79 */},
+{ "*P", /* 80 */},
+{ "*H", /* 81 */},
+{ "*R", /* 82 */},
+{ "*S", /* 83 */},
+{ "*T", /* 84 */},
+{ 0, /* 85 */},
+{ "ts", /* 86 */},
+{ "*W", /* 87 */},
+{ "*C", /* 88 */},
+{ "*Q", /* 89 */},
+{ "*Z", /* 90 */},
+{ "[", "lB", /* 91 */},
+{ "tf", "3d", /* 92 */},
+{ "]", "rB", /* 93 */},
+{ "pp", /* 94 */},
+{ "_", /* 95 */},
+{ "radicalex", /* 96 */},
+{ "*a", /* 97 */},
+{ "*b", /* 98 */},
+{ "*x", /* 99 */},
+{ "*d", /* 100 */},
+{ "*e", /* 101 */},
+{ "*f", /* 102 */},
+{ "*g", /* 103 */},
+{ "*y", /* 104 */},
+{ "*i", /* 105 */},
+{ "+f", /* 106 */},
+{ "*k", /* 107 */},
+{ "*l", /* 108 */},
+{ "*m", /* 109 */},
+{ "*n", /* 110 */},
+{ "*o", /* 111 */},
+{ "*p", /* 112 */},
+{ "*h", /* 113 */},
+{ "*r", /* 114 */},
+{ "*s", /* 115 */},
+{ "*t", /* 116 */},
+{ "*u", /* 117 */},
+{ "+p", /* 118 */},
+{ "*w", /* 119 */},
+{ "*c", /* 120 */},
+{ "*q", /* 121 */},
+{ "*z", /* 122 */},
+{ "lC", "{", /* 123 */},
+{ "ba", "|", /* 124 */},
+{ "rC", "}", /* 125 */},
+{ "ap", /* 126 */},
+{ 0, /* 127 */},
+{ 0, /* 128 */},
+{ 0, /* 129 */},
+{ 0, /* 130 */},
+{ 0, /* 131 */},
+{ 0, /* 132 */},
+{ 0, /* 133 */},
+{ 0, /* 134 */},
+{ 0, /* 135 */},
+{ 0, /* 136 */},
+{ 0, /* 137 */},
+{ 0, /* 138 */},
+{ 0, /* 139 */},
+{ 0, /* 140 */},
+{ 0, /* 141 */},
+{ 0, /* 142 */},
+{ 0, /* 143 */},
+{ 0, /* 144 */},
+{ 0, /* 145 */},
+{ 0, /* 146 */},
+{ 0, /* 147 */},
+{ 0, /* 148 */},
+{ 0, /* 149 */},
+{ 0, /* 150 */},
+{ 0, /* 151 */},
+{ 0, /* 152 */},
+{ 0, /* 153 */},
+{ 0, /* 154 */},
+{ 0, /* 155 */},
+{ 0, /* 156 */},
+{ 0, /* 157 */},
+{ 0, /* 158 */},
+{ 0, /* 159 */},
+{ 0, /* 160 */},
+{ "*U", /* 161 */},
+{ "fm", /* 162 */},
+{ "<=", /* 163 */},
+{ "f/", /* 164 */},
+{ "if", /* 165 */},
+{ "Fn", /* 166 */},
+{ "CL", /* 167 */},
+{ "DI", /* 168 */},
+{ "HE", /* 169 */},
+{ "SP", /* 170 */},
+{ "<>", /* 171 */},
+{ "<-", /* 172 */},
+{ "ua", "arrowverttp", /* 173 */},
+{ "->", /* 174 */},
+{ "da", "arrowvertbt", /* 175 */},
+{ "de", /* 176 */},
+{ "+-", /* 177 */},
+{ "sd", /* 178 */},
+{ ">=", /* 179 */},
+{ "mu", /* 180 */},
+{ "pt", /* 181 */},
+{ "pd", /* 182 */},
+{ "bu", /* 183 */},
+{ "di", /* 184 */},
+{ "!=", /* 185 */},
+{ "==", /* 186 */},
+{ "~=", "~~", /* 187 */},
+{ 0, /* 188 */},
+{ "arrowvertex", /* 189 */},
+{ "an", /* 190 */},
+{ "CR", /* 191 */},
+{ "Ah", /* 192 */},
+{ "Im", /* 193 */},
+{ "Re", /* 194 */},
+{ "wp", /* 195 */},
+{ "c*", /* 196 */},
+{ "c+", /* 197 */},
+{ "es", /* 198 */},
+{ "ca", /* 199 */},
+{ "cu", /* 200 */},
+{ "sp", /* 201 */},
+{ "ip", /* 202 */},
+{ "nb", /* 203 */},
+{ "sb", /* 204 */},
+{ "ib", /* 205 */},
+{ "mo", /* 206 */},
+{ "nm", /* 207 */},
+{ "/_", /* 208 */},
+{ "gr", /* 209 */},
+{ "rg", /* 210 */},
+{ "co", /* 211 */},
+{ "tm", /* 212 */},
+{ 0, /* 213 */},
+{ "sr", "sqrt", /* 214 */},
+{ "md", /* 215 */},
+{ "no", /* 216 */},
+{ "AN", /* 217 */},
+{ "OR", /* 218 */},
+{ "hA", /* 219 */},
+{ "lA", /* 220 */},
+{ "uA", /* 221 */},
+{ "rA", /* 222 */},
+{ "dA", /* 223 */},
+{ "lz", /* 224 */},
+{ "la", /* 225 */},
+{ 0, /* 226 */},
+{ 0, /* 227 */},
+{ 0, /* 228 */},
+{ 0, /* 229 */},
+{ "parenlefttp", /* 230 */},
+{ "parenleftex", /* 231 */},
+{ "parenleftbt", /* 232 */},
+{ "bracketlefttp", "lc", /* 233 */},
+{ "bracketleftex", /* 234 */},
+{ "bracketleftbt", "lf", /* 235 */},
+{ "bracelefttp", "lt", /* 236 */},
+{ "braceleftmid", "lk", /* 237 */},
+{ "braceleftbt", "lb", /* 238 */},
+{ "bracerightex", "braceleftex", "braceex", "bv", /* 239 */},
+{ 0, /* 240 */},
+{ "ra", /* 241 */},
+{ "is", "integral", /* 242 */},
+{ 0, /* 243 */},
+{ 0, /* 244 */},
+{ 0, /* 245 */},
+{ "parenrighttp", /* 246 */},
+{ "parenrightex", /* 247 */},
+{ "parenrightbt", /* 248 */},
+{ "bracketrighttp", "rc", /* 249 */},
+{ "bracketrightex", /* 250 */},
+{ "bracketrightbt", "rf", /* 251 */},
+{ "bracerighttp", "rt", /* 252 */},
+{ "bracerightmid", "rk", /* 253 */},
+{ "bracerightbt", "rb", /* 254 */},
+{ 0, /* 255 */},
+},
+ {0} /* buckets */};
+
+
+static void
+load_standard_maps (void)
+{
+ standard_maps_loaded = 1;
+ DviRegisterMap (&ISO8859_1_map);
+ DviRegisterMap (&Adobe_Symbol_map);
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-22 22:59:08 +0000