| 1 | /* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */ |
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| 2 | /* htmlentity.c |
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| 3 | * |
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| 4 | * Copyright (C) 1999 Helix Code, Inc. |
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| 5 | * |
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| 6 | * This program is free software; you can redistribute it and/or |
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| 7 | * modify it under the terms of the GNU General Public License as |
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| 8 | * published by the Free Software Foundation; either version 2 of the |
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| 9 | * License, or (at your option) any later version. |
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| 10 | * |
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| 11 | * This program is distributed in the hope that it will be useful, |
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| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 14 | * General Public License for more details. |
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| 15 | * |
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| 16 | * You should have received a copy of the GNU General Public |
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| 17 | * License along with this program; if not, write to the |
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| 18 | * Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
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| 19 | * Boston, MA 02111-1307, USA. |
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| 20 | * |
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| 21 | * Author: Ettore Perazzoli |
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| 22 | */ |
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| 23 | |
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| 24 | #include <config.h> |
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| 25 | #include <string.h> |
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| 26 | #include <stdlib.h> |
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| 27 | #include "gtkhtml-compat.h" |
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| 28 | |
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| 29 | #include <glib.h> |
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| 30 | #include "htmlentity.h" |
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| 31 | |
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| 32 | |
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| 33 | struct _EntityEntry { |
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| 34 | guint value; |
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| 35 | const gchar *str; |
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| 36 | }; |
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| 37 | typedef struct _EntityEntry EntityEntry; |
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| 38 | |
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| 39 | static EntityEntry entity_table[] = { |
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| 40 | |
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| 41 | /* Latin1 */ |
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| 42 | { 160, "nbsp" }, |
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| 43 | { 161, "iexcl" }, |
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| 44 | { 162, "cent" }, |
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| 45 | { 163, "pound" }, |
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| 46 | { 164, "curren" }, |
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| 47 | { 165, "yen" }, |
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| 48 | { 166, "brvbar" }, |
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| 49 | { 167, "sect" }, |
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| 50 | { 168, "uml" }, |
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| 51 | { 169, "copy" }, |
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| 52 | { 170, "ordf" }, |
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| 53 | { 171, "laquo" }, |
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| 54 | { 172, "not" }, |
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| 55 | { 173, "shy" }, |
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| 56 | { 174, "reg" }, |
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| 57 | { 175, "macr" }, |
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| 58 | { 176, "deg" }, |
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| 59 | { 177, "plusmn" }, |
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| 60 | { 178, "sup2" }, |
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| 61 | { 179, "sup3" }, |
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| 62 | { 180, "acute" }, |
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| 63 | { 181, "micro" }, |
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| 64 | { 182, "para" }, |
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| 65 | { 183, "middot" }, |
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| 66 | { 184, "cedil" }, |
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| 67 | { 185, "sup1" }, |
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| 68 | { 186, "ordm" }, |
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| 69 | { 187, "raquo" }, |
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| 70 | { 188, "frac14" }, |
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| 71 | { 189, "frac12" }, |
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| 72 | { 190, "frac34" }, |
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| 73 | { 191, "iquest" }, |
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| 74 | { 192, "Agrave" }, |
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| 75 | { 193, "Aacute" }, |
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| 76 | { 194, "Acirc" }, |
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| 77 | { 195, "Atilde" }, |
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| 78 | { 196, "Auml" }, |
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| 79 | { 197, "Aring" }, |
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| 80 | { 198, "AElig" }, |
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| 81 | { 199, "Ccedil" }, |
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| 82 | { 200, "Egrave" }, |
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| 83 | { 201, "Eacute" }, |
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| 84 | { 202, "Ecirc" }, |
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| 85 | { 203, "Euml" }, |
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| 86 | { 204, "Igrave" }, |
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| 87 | { 205, "Iacute" }, |
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| 88 | { 206, "Icirc" }, |
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| 89 | { 207, "Iuml" }, |
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| 90 | { 208, "ETH" }, |
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| 91 | { 209, "Ntilde" }, |
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| 92 | { 210, "Ograve" }, |
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| 93 | { 211, "Oacute" }, |
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| 94 | { 212, "Ocirc" }, |
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| 95 | { 213, "Otilde" }, |
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| 96 | { 214, "Ouml" }, |
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| 97 | { 215, "times" }, |
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| 98 | { 216, "Oslash" }, |
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| 99 | { 217, "Ugrave" }, |
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| 100 | { 218, "Uacute" }, |
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| 101 | { 219, "Ucirc" }, |
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| 102 | { 220, "Uuml" }, |
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| 103 | { 221, "Yacute" }, |
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| 104 | { 222, "THORN" }, |
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| 105 | { 223, "szlig" }, |
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| 106 | { 224, "agrave" }, |
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| 107 | { 225, "aacute" }, |
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| 108 | { 226, "acirc" }, |
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| 109 | { 227, "atilde" }, |
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| 110 | { 228, "auml" }, |
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| 111 | { 229, "aring" }, |
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| 112 | { 230, "aelig" }, |
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| 113 | { 231, "ccedil" }, |
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| 114 | { 232, "egrave" }, |
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| 115 | { 233, "eacute" }, |
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| 116 | { 234, "ecirc" }, |
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| 117 | { 235, "euml" }, |
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| 118 | { 236, "igrave" }, |
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| 119 | { 237, "iacute" }, |
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| 120 | { 238, "icirc" }, |
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| 121 | { 239, "iuml" }, |
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| 122 | { 240, "eth" }, |
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| 123 | { 241, "ntilde" }, |
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| 124 | { 242, "ograve" }, |
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| 125 | { 243, "oacute" }, |
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| 126 | { 244, "ocirc" }, |
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| 127 | { 245, "otilde" }, |
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| 128 | { 246, "ouml" }, |
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| 129 | { 247, "divide" }, |
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| 130 | { 248, "oslash" }, |
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| 131 | { 249, "ugrave" }, |
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| 132 | { 250, "uacute" }, |
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| 133 | { 251, "ucirc" }, |
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| 134 | { 252, "uuml" }, |
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| 135 | { 253, "yacute" }, |
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| 136 | { 254, "thorn" }, |
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| 137 | { 255, "yuml" }, |
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| 138 | |
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| 139 | /* special charactes */ |
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| 140 | { 34, "quot" }, |
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| 141 | { 38, "amp" }, |
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| 142 | { 39, "apos" }, |
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| 143 | { 60, "lt" }, |
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| 144 | { 62, "gt" }, |
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| 145 | { 338, "OElig" }, |
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| 146 | { 339, "oelig" }, |
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| 147 | { 352, "Scaron" }, |
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| 148 | { 353, "scaron" }, |
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| 149 | { 376, "Yuml" }, |
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| 150 | { 710, "circ" }, |
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| 151 | { 732, "tilde" }, |
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| 152 | { 8194, "ensp" }, |
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| 153 | { 8195, "emsp" }, |
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| 154 | { 8201, "thinsp" }, |
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| 155 | { 8204, "zwnj" }, |
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| 156 | { 8205, "zwj" }, |
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| 157 | { 8206, "lrm" }, |
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| 158 | { 8207, "rlm" }, |
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| 159 | { 8211, "ndash" }, |
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| 160 | { 8212, "mdash" }, |
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| 161 | { 8216, "lsquo" }, |
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| 162 | { 8217, "rsquo" }, |
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| 163 | { 8218, "sbquo" }, |
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| 164 | { 8220, "ldquo" }, |
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| 165 | { 8221, "rdquo" }, |
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| 166 | { 8222, "bdquo" }, |
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| 167 | { 8224, "dagger" }, |
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| 168 | { 8225, "Dagger" }, |
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| 169 | { 8240, "permil" }, |
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| 170 | { 8249, "lsaquo" }, |
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| 171 | { 8250, "rsaquo" }, |
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| 172 | { 8364, "euro" }, |
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| 173 | |
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| 174 | /* symbols */ |
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| 175 | { 402, "fnof" }, |
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| 176 | { 913, "Alpha" }, |
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| 177 | { 914, "Beta" }, |
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| 178 | { 915, "Gamma" }, |
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| 179 | { 916, "Delta" }, |
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| 180 | { 917, "Epsilon" }, |
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| 181 | { 918, "Zeta" }, |
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| 182 | { 919, "Eta" }, |
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| 183 | { 920, "Theta" }, |
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| 184 | { 921, "Iota" }, |
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| 185 | { 922, "Kappa" }, |
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| 186 | { 923, "Lambda" }, |
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| 187 | { 924, "Mu" }, |
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| 188 | { 925, "Nu" }, |
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| 189 | { 926, "Xi" }, |
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| 190 | { 927, "Omicron" }, |
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| 191 | { 928, "Pi" }, |
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| 192 | { 929, "Rho" }, |
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| 193 | { 931, "Sigma" }, |
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| 194 | { 932, "Tau" }, |
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| 195 | { 933, "Upsilon" }, |
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| 196 | { 934, "Phi" }, |
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| 197 | { 935, "Chi" }, |
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| 198 | { 936, "Psi" }, |
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| 199 | { 937, "Omega" }, |
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| 200 | { 945, "alpha" }, |
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| 201 | { 946, "beta" }, |
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| 202 | { 947, "gamma" }, |
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| 203 | { 948, "delta" }, |
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| 204 | { 949, "epsilon" }, |
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| 205 | { 950, "zeta" }, |
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| 206 | { 951, "eta" }, |
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| 207 | { 952, "theta" }, |
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| 208 | { 953, "iota" }, |
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| 209 | { 954, "kappa" }, |
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| 210 | { 955, "lambda" }, |
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| 211 | { 956, "mu" }, |
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| 212 | { 957, "nu" }, |
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| 213 | { 958, "xi" }, |
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| 214 | { 959, "omicron" }, |
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| 215 | { 960, "pi" }, |
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| 216 | { 961, "rho" }, |
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| 217 | { 962, "sigmaf" }, |
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| 218 | { 963, "sigma" }, |
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| 219 | { 964, "tau" }, |
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| 220 | { 965, "upsilon" }, |
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| 221 | { 966, "phi" }, |
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| 222 | { 967, "chi" }, |
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| 223 | { 968, "psi" }, |
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| 224 | { 969, "omega" }, |
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| 225 | { 977, "thetasym" }, |
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| 226 | { 978, "upsih" }, |
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| 227 | { 982, "piv" }, |
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| 228 | { 8226, "bull" }, |
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| 229 | { 8230, "hellip" }, |
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| 230 | { 8242, "prime" }, |
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| 231 | { 8243, "Prime" }, |
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| 232 | { 8254, "oline" }, |
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| 233 | { 8260, "frasl" }, |
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| 234 | { 8472, "weierp" }, |
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| 235 | { 8465, "image" }, |
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| 236 | { 8476, "real" }, |
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| 237 | { 8482, "trade" }, |
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| 238 | { 8501, "alefsym" }, |
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| 239 | { 8592, "larr" }, |
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| 240 | { 8593, "uarr" }, |
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| 241 | { 8594, "rarr" }, |
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| 242 | { 8595, "darr" }, |
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| 243 | { 8596, "harr" }, |
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| 244 | { 8629, "crarr" }, |
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| 245 | { 8656, "lArr" }, |
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| 246 | { 8657, "uArr" }, |
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| 247 | { 8658, "rArr" }, |
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| 248 | { 8659, "dArr" }, |
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| 249 | { 8660, "hArr" }, |
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| 250 | { 8704, "forall" }, |
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| 251 | { 8706, "part" }, |
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| 252 | { 8707, "exist" }, |
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| 253 | { 8709, "empty" }, |
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| 254 | { 8711, "nabla" }, |
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| 255 | { 8712, "isin" }, |
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| 256 | { 8713, "notin" }, |
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| 257 | { 8715, "ni" }, |
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| 258 | { 8719, "prod" }, |
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| 259 | { 8721, "sum" }, |
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| 260 | { 8722, "minus" }, |
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| 261 | { 8727, "lowast" }, |
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| 262 | { 8730, "radic" }, |
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| 263 | { 8733, "prop" }, |
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| 264 | { 8734, "infin" }, |
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| 265 | { 8736, "ang" }, |
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| 266 | { 8743, "and" }, |
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| 267 | { 8744, "or" }, |
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| 268 | { 8745, "cap" }, |
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| 269 | { 8746, "cup" }, |
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| 270 | { 8747, "int" }, |
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| 271 | { 8756, "there4" }, |
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| 272 | { 8764, "sim" }, |
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| 273 | { 8773, "cong" }, |
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| 274 | { 8776, "asymp" }, |
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| 275 | { 8800, "ne" }, |
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| 276 | { 8801, "equiv" }, |
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| 277 | { 8804, "le" }, |
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| 278 | { 8805, "ge" }, |
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| 279 | { 8834, "sub" }, |
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| 280 | { 8835, "sup" }, |
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| 281 | { 8836, "nsub" }, |
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| 282 | { 8838, "sube" }, |
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| 283 | { 8839, "supe" }, |
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| 284 | { 8853, "oplus" }, |
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| 285 | { 8855, "otimes" }, |
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| 286 | { 8869, "perp" }, |
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| 287 | { 8901, "sdot" }, |
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| 288 | { 8968, "lceil" }, |
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| 289 | { 8969, "rceil" }, |
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| 290 | { 8970, "lfloor" }, |
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| 291 | { 8971, "rfloor" }, |
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| 292 | { 9001, "lang" }, |
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| 293 | { 9002, "rang" }, |
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| 294 | { 9674, "loz" }, |
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| 295 | { 9824, "spades" }, |
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| 296 | { 9827, "clubs" }, |
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| 297 | { 9829, "hearts" }, |
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| 298 | { 9830, "diams" }, |
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| 299 | }; |
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| 300 | |
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| 301 | |
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| 302 | /* FIXME FIXME this function just sucks. We should use gperf or something instead. */ |
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| 303 | |
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| 304 | static gint |
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| 305 | html_g_str_case_equal (gconstpointer v, gconstpointer v2) |
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| 306 | { |
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| 307 | return strcasecmp ((const gchar*) v, (const gchar*)v2) == 0; |
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| 308 | } |
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| 309 | |
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| 310 | gulong |
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| 311 | html_entity_parse (const gchar *s, guint len) |
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| 312 | { |
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| 313 | static GHashTable *ehash = NULL; |
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| 314 | gchar *t; |
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| 315 | |
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| 316 | if (!ehash) { |
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| 317 | gint i; |
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| 318 | |
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| 319 | ehash = g_hash_table_new (g_str_hash, html_g_str_case_equal); |
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| 320 | |
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| 321 | for (i = 0; i < sizeof (entity_table) / sizeof (entity_table[0]); i++) |
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| 322 | g_hash_table_insert (ehash, (gpointer) entity_table[i].str, GINT_TO_POINTER (entity_table[i].value)); |
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| 323 | } |
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| 324 | |
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| 325 | if (len > 0) { |
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| 326 | t = alloca (len + 1); |
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| 327 | memcpy (t, s, len); |
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| 328 | *(t + len) = '\0'; |
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| 329 | } else { |
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| 330 | t = (gchar *) s; |
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| 331 | } |
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| 332 | |
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| 333 | return GPOINTER_TO_INT (g_hash_table_lookup (ehash, t)); |
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| 334 | } |
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