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Diffstat (limited to 'contrib/groff/xditview/DviChar.c')
-rw-r--r--contrib/groff/xditview/DviChar.c664
1 files changed, 664 insertions, 0 deletions
diff --git a/contrib/groff/xditview/DviChar.c b/contrib/groff/xditview/DviChar.c
new file mode 100644
index 0000000000000..90c6369848059
--- /dev/null
+++ b/contrib/groff/xditview/DviChar.c
@@ -0,0 +1,664 @@
+/*
+ * DviChar.c
+ *
+ * Map DVI (ditroff output) character names to
+ * font indexes and back
+ */
+
+#include "DviChar.h"
+
+extern char *xmalloc();
+
+#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 ();
+static int hash_name ();
+static dispose_hash(), compute_hash();
+
+DviCharNameMap *
+DviFindMap (encoding)
+ 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 (map)
+ 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
+dispose_hash (map)
+ 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 (name)
+ char *name;
+{
+ int i = 0;
+
+ while (*name)
+ i = (i << 1) ^ *name++;
+ if (i < 0)
+ i = -i;
+ return i;
+}
+
+static
+compute_hash (map)
+ 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 (map, name)
+ DviCharNameMap *map;
+ 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 */},
+{ "\"", /* 34 */},
+{ "#","sh", /* 35 */},
+{ "$","Do", /* 36 */},
+{ "%", /* 37 */},
+{ "&", /* 38 */},
+{ "'", /* 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 */},
+{ "=","eq", /* 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 */},
+{ "`","oq", /* 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 */},
+{ "|","or","ba" /* 124 */},
+{ "}","rC", /* 125 */},
+{ "~","a~","ap","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!", "\241", /* 161 */},
+{ "ct", "\242", /* 162 */},
+{ "Po", "\243", /* 163 */},
+{ "Cs", "\244", /* 164 */},
+{ "Ye", "\245", /* 165 */},
+{ "bb", "\246", /* 166 */},
+{ "sc", "\247", /* 167 */},
+{ "ad", "\250", /* 168 */},
+{ "co", "\251", /* 169 */},
+{ "Of", "\252", /* 170 */},
+{ "Fo", "\253", /* 171 */},
+{ "no", "\254", /* 172 */},
+{ "-", "hy", "\255" /* 173 */},
+{ "rg", "\256", /* 174 */},
+{ "a-", "\257", /* 175 */},
+{ "de", "\260", /* 176 */},
+{ "+-", "\261", /* 177 */},
+{ "S2", "\262", /* 178 */},
+{ "S3", "\263", /* 179 */},
+{ "aa", "\264", /* 180 */},
+/* Omit *m here; we want *m to match the other greek letters in the
+ symbol font. */
+{ "\265", /* 181 */},
+{ "ps", "\266", /* 182 */},
+{ "md", "\267", /* 183 */},
+{ "ac", "\270", /* 184 */},
+{ "S1", "\271", /* 185 */},
+{ "Om", "\272", /* 186 */},
+{ "Fc", "\273", /* 187 */},
+{ "14", "\274", /* 188 */},
+{ "12", "\275", /* 189 */},
+{ "34", "\276", /* 190 */},
+{ "r?", "\277", /* 191 */},
+{ "`A", "\300", /* 192 */},
+{ "'A", "\301", /* 193 */},
+{ "^A", "\302", /* 194 */},
+{ "~A", "\303", /* 195 */},
+{ ":A", "\304", /* 196 */},
+{ "oA", "\305", /* 197 */},
+{ "AE", "\306", /* 198 */},
+{ ",C", "\307", /* 199 */},
+{ "`E", "\310", /* 200 */},
+{ "'E", "\311", /* 201 */},
+{ "^E", "\312", /* 202 */},
+{ ":E", "\313", /* 203 */},
+{ "`I", "\314", /* 204 */},
+{ "'I", "\315", /* 205 */},
+{ "^I", "\316", /* 206 */},
+{ ":I", "\317", /* 207 */},
+{ "-D", "\320", /* 208 */},
+{ "~N", "\321", /* 209 */},
+{ "`O", "\322", /* 210 */},
+{ "'O", "\323", /* 211 */},
+{ "^O", "\324", /* 212 */},
+{ "~O", "\325", /* 213 */},
+{ ":O", "\326", /* 214 */},
+{ "mu", "\327", /* 215 */},
+{ "/O", "\330", /* 216 */},
+{ "`U", "\331", /* 217 */},
+{ "'U", "\332", /* 218 */},
+{ "^U", "\333", /* 219 */},
+{ ":U", "\334", /* 220 */},
+{ "'Y", "\335", /* 221 */},
+{ "TP", "\336", /* 222 */},
+{ "ss", "\337", /* 223 */},
+{ "`a", "\340", /* 224 */},
+{ "'a", "\341", /* 225 */},
+{ "^a", "\342", /* 226 */},
+{ "~a", "\343", /* 227 */},
+{ ":a", "\344", /* 228 */},
+{ "oa", "\345", /* 229 */},
+{ "ae", "\346", /* 230 */},
+{ ",c", "\347", /* 231 */},
+{ "`e", "\350", /* 232 */},
+{ "'e", "\351", /* 233 */},
+{ "^e", "\352", /* 234 */},
+{ ":e", "\353", /* 235 */},
+{ "`i", "\354", /* 236 */},
+{ "'i", "\355", /* 237 */},
+{ "^i", "\356", /* 238 */},
+{ ":i", "\357", /* 239 */},
+{ "Sd", "\360", /* 240 */},
+{ "~n", "\361", /* 241 */},
+{ "`o", "\362", /* 242 */},
+{ "'o", "\363", /* 243 */},
+{ "^o", "\364", /* 244 */},
+{ "~o", "\365", /* 245 */},
+{ ":o", "\366", /* 246 */},
+{ "di", "\367", /* 247 */},
+{ "/o", "\370", /* 248 */},
+{ "`u", "\371", /* 249 */},
+{ "'u", "\372", /* 250 */},
+{ "^u", "\373", /* 251 */},
+{ ":u", "\374", /* 252 */},
+{ "'y", "\375", /* 253 */},
+{ "Tp", "\376", /* 254 */},
+{ ":y", "\377", /* 255 */},
+}};
+
+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", "\265", /* 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", "or", "|", /* 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", "\260", /* 176 */},
+{ "+-", "\261", /* 177 */},
+{ "sd", /* 178 */},
+{ ">=", /* 179 */},
+{ "mu", "\327", /* 180 */},
+{ "pt", /* 181 */},
+{ "pd", /* 182 */},
+{ "bu", /* 183 */},
+{ "di", "\367", /* 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", /* 214 */},
+{ "md", /* 215 */},
+{ "no", "\254", /* 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", "bv", /* 239 */},
+{ 0, /* 240 */},
+{ "ra", /* 241 */},
+{ "is", /* 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 */},
+}};
+
+
+static void
+load_standard_maps ()
+{
+ standard_maps_loaded = 1;
+ DviRegisterMap (&ISO8859_1_map);
+ DviRegisterMap (&Adobe_Symbol_map);
+}
generated by cgit v1.2.3 (git 2.25.1) at 2025-08-03 01:59:19 +0000