Annotation of embedaddon/php/ext/standard/html.c, revision 1.1
1.1 ! misho 1: /*
! 2: +----------------------------------------------------------------------+
! 3: | PHP Version 5 |
! 4: +----------------------------------------------------------------------+
! 5: | Copyright (c) 1997-2012 The PHP Group |
! 6: +----------------------------------------------------------------------+
! 7: | This source file is subject to version 3.01 of the PHP license, |
! 8: | that is bundled with this package in the file LICENSE, and is |
! 9: | available through the world-wide-web at the following url: |
! 10: | http://www.php.net/license/3_01.txt |
! 11: | If you did not receive a copy of the PHP license and are unable to |
! 12: | obtain it through the world-wide-web, please send a note to |
! 13: | license@php.net so we can mail you a copy immediately. |
! 14: +----------------------------------------------------------------------+
! 15: | Authors: Rasmus Lerdorf <rasmus@php.net> |
! 16: | Jaakko Hyvätti <jaakko.hyvatti@iki.fi> |
! 17: | Wez Furlong <wez@thebrainroom.com> |
! 18: +----------------------------------------------------------------------+
! 19: */
! 20:
! 21: /* $Id: html.c 321634 2012-01-01 13:15:04Z felipe $ */
! 22:
! 23: /*
! 24: * HTML entity resources:
! 25: *
! 26: * http://msdn.microsoft.com/workshop/author/dhtml/reference/charsets/charset2.asp
! 27: * http://msdn.microsoft.com/workshop/author/dhtml/reference/charsets/charset3.asp
! 28: * http://www.unicode.org/Public/MAPPINGS/OBSOLETE/UNI2SGML.TXT
! 29: *
! 30: * http://www.w3.org/TR/2002/REC-xhtml1-20020801/dtds.html#h-A2
! 31: *
! 32: */
! 33:
! 34: #include "php.h"
! 35: #if PHP_WIN32
! 36: #include "config.w32.h"
! 37: #else
! 38: #include <php_config.h>
! 39: #endif
! 40: #include "html.h"
! 41: #include "php_string.h"
! 42: #include "SAPI.h"
! 43: #if HAVE_LOCALE_H
! 44: #include <locale.h>
! 45: #endif
! 46: #if HAVE_LANGINFO_H
! 47: #include <langinfo.h>
! 48: #endif
! 49:
! 50: #if HAVE_MBSTRING
! 51: # include "ext/mbstring/mbstring.h"
! 52: ZEND_EXTERN_MODULE_GLOBALS(mbstring)
! 53: #endif
! 54:
! 55: enum entity_charset { cs_terminator, cs_8859_1, cs_cp1252,
! 56: cs_8859_15, cs_utf_8, cs_big5, cs_gb2312,
! 57: cs_big5hkscs, cs_sjis, cs_eucjp, cs_koi8r,
! 58: cs_cp1251, cs_8859_5, cs_cp866, cs_macroman
! 59: };
! 60: typedef const char *const entity_table_t;
! 61:
! 62: /* codepage 1252 is a Windows extension to iso-8859-1. */
! 63: static entity_table_t ent_cp_1252[] = {
! 64: "euro", NULL, "sbquo", "fnof", "bdquo", "hellip", "dagger",
! 65: "Dagger", "circ", "permil", "Scaron", "lsaquo", "OElig",
! 66: NULL, NULL, NULL, NULL, "lsquo", "rsquo", "ldquo", "rdquo",
! 67: "bull", "ndash", "mdash", "tilde", "trade", "scaron", "rsaquo",
! 68: "oelig", NULL, NULL, "Yuml"
! 69: };
! 70:
! 71: static entity_table_t ent_iso_8859_1[] = {
! 72: "nbsp", "iexcl", "cent", "pound", "curren", "yen", "brvbar",
! 73: "sect", "uml", "copy", "ordf", "laquo", "not", "shy", "reg",
! 74: "macr", "deg", "plusmn", "sup2", "sup3", "acute", "micro",
! 75: "para", "middot", "cedil", "sup1", "ordm", "raquo", "frac14",
! 76: "frac12", "frac34", "iquest", "Agrave", "Aacute", "Acirc",
! 77: "Atilde", "Auml", "Aring", "AElig", "Ccedil", "Egrave",
! 78: "Eacute", "Ecirc", "Euml", "Igrave", "Iacute", "Icirc",
! 79: "Iuml", "ETH", "Ntilde", "Ograve", "Oacute", "Ocirc", "Otilde",
! 80: "Ouml", "times", "Oslash", "Ugrave", "Uacute", "Ucirc", "Uuml",
! 81: "Yacute", "THORN", "szlig", "agrave", "aacute", "acirc",
! 82: "atilde", "auml", "aring", "aelig", "ccedil", "egrave",
! 83: "eacute", "ecirc", "euml", "igrave", "iacute", "icirc",
! 84: "iuml", "eth", "ntilde", "ograve", "oacute", "ocirc", "otilde",
! 85: "ouml", "divide", "oslash", "ugrave", "uacute", "ucirc",
! 86: "uuml", "yacute", "thorn", "yuml"
! 87: };
! 88:
! 89: static entity_table_t ent_iso_8859_15[] = {
! 90: "nbsp", "iexcl", "cent", "pound", "euro", "yen", "Scaron",
! 91: "sect", "scaron", "copy", "ordf", "laquo", "not", "shy", "reg",
! 92: "macr", "deg", "plusmn", "sup2", "sup3", NULL, /* Zcaron */
! 93: "micro", "para", "middot", NULL, /* zcaron */ "sup1", "ordm",
! 94: "raquo", "OElig", "oelig", "Yuml", "iquest", "Agrave", "Aacute",
! 95: "Acirc", "Atilde", "Auml", "Aring", "AElig", "Ccedil", "Egrave",
! 96: "Eacute", "Ecirc", "Euml", "Igrave", "Iacute", "Icirc",
! 97: "Iuml", "ETH", "Ntilde", "Ograve", "Oacute", "Ocirc", "Otilde",
! 98: "Ouml", "times", "Oslash", "Ugrave", "Uacute", "Ucirc", "Uuml",
! 99: "Yacute", "THORN", "szlig", "agrave", "aacute", "acirc",
! 100: "atilde", "auml", "aring", "aelig", "ccedil", "egrave",
! 101: "eacute", "ecirc", "euml", "igrave", "iacute", "icirc",
! 102: "iuml", "eth", "ntilde", "ograve", "oacute", "ocirc", "otilde",
! 103: "ouml", "divide", "oslash", "ugrave", "uacute", "ucirc",
! 104: "uuml", "yacute", "thorn", "yuml"
! 105: };
! 106:
! 107: static entity_table_t ent_uni_338_402[] = {
! 108: /* 338 (0x0152) */
! 109: "OElig", "oelig", NULL, NULL, NULL, NULL,
! 110: NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
! 111: /* 352 (0x0160) */
! 112: "Scaron", "scaron", NULL, NULL, NULL, NULL, NULL, NULL,
! 113: NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
! 114: NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
! 115: /* 376 (0x0178) */
! 116: "Yuml", NULL, NULL, NULL, NULL, NULL, NULL, NULL,
! 117: NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
! 118: NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
! 119: /* 400 (0x0190) */
! 120: NULL, NULL, "fnof"
! 121: };
! 122:
! 123: static entity_table_t ent_uni_spacing[] = {
! 124: /* 710 */
! 125: "circ",
! 126: /* 711 - 730 */
! 127: NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
! 128: NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
! 129: /* 731 - 732 */
! 130: NULL, "tilde"
! 131: };
! 132:
! 133: static entity_table_t ent_uni_greek[] = {
! 134: /* 913 */
! 135: "Alpha", "Beta", "Gamma", "Delta", "Epsilon", "Zeta", "Eta", "Theta",
! 136: "Iota", "Kappa", "Lambda", "Mu", "Nu", "Xi", "Omicron", "Pi", "Rho",
! 137: NULL, "Sigma", "Tau", "Upsilon", "Phi", "Chi", "Psi", "Omega",
! 138: /* 938 - 944 are not mapped */
! 139: NULL, NULL, NULL, NULL, NULL, NULL, NULL,
! 140: "alpha", "beta", "gamma", "delta", "epsilon", "zeta", "eta", "theta",
! 141: "iota", "kappa", "lambda", "mu", "nu", "xi", "omicron", "pi", "rho",
! 142: "sigmaf", "sigma", "tau", "upsilon", "phi", "chi", "psi", "omega",
! 143: /* 970 - 976 are not mapped */
! 144: NULL, NULL, NULL, NULL, NULL, NULL, NULL,
! 145: "thetasym", "upsih",
! 146: NULL, NULL, NULL,
! 147: "piv"
! 148: };
! 149:
! 150: static entity_table_t ent_uni_punct[] = {
! 151: /* 8194 */
! 152: "ensp", "emsp", NULL, NULL, NULL, NULL, NULL,
! 153: "thinsp", NULL, NULL, "zwnj", "zwj", "lrm", "rlm",
! 154: NULL, NULL, NULL, "ndash", "mdash", NULL, NULL, NULL,
! 155: /* 8216 */
! 156: "lsquo", "rsquo", "sbquo", NULL, "ldquo", "rdquo", "bdquo", NULL,
! 157: "dagger", "Dagger", "bull", NULL, NULL, NULL, "hellip",
! 158: NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, "permil", NULL,
! 159: /* 8242 */
! 160: "prime", "Prime", NULL, NULL, NULL, NULL, NULL, "lsaquo", "rsaquo", NULL,
! 161: NULL, NULL, "oline", NULL, NULL, NULL, NULL, NULL,
! 162: "frasl"
! 163: };
! 164:
! 165: static entity_table_t ent_uni_euro[] = {
! 166: "euro"
! 167: };
! 168:
! 169: static entity_table_t ent_uni_8465_8501[] = {
! 170: /* 8465 */
! 171: "image", NULL, NULL, NULL, NULL, NULL, NULL,
! 172: /* 8472 */
! 173: "weierp", NULL, NULL, NULL,
! 174: /* 8476 */
! 175: "real", NULL, NULL, NULL, NULL, NULL,
! 176: /* 8482 */
! 177: "trade", NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
! 178: NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
! 179: /* 8501 */
! 180: "alefsym",
! 181: };
! 182:
! 183: static entity_table_t ent_uni_8592_9002[] = {
! 184: /* 8592 (0x2190) */
! 185: "larr", "uarr", "rarr", "darr", "harr", NULL, NULL, NULL,
! 186: NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
! 187: /* 8608 (0x21a0) */
! 188: NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
! 189: NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
! 190: /* 8624 (0x21b0) */
! 191: NULL, NULL, NULL, NULL, NULL, "crarr", NULL, NULL,
! 192: NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
! 193: /* 8640 (0x21c0) */
! 194: NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
! 195: NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
! 196: /* 8656 (0x21d0) */
! 197: "lArr", "uArr", "rArr", "dArr", "hArr", NULL, NULL, NULL,
! 198: NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
! 199: /* 8672 (0x21e0) */
! 200: NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
! 201: NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
! 202: NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
! 203: NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
! 204: /* 8704 (0x2200) */
! 205: "forall", NULL, "part", "exist", NULL, "empty", NULL, "nabla",
! 206: "isin", "notin", NULL, "ni", NULL, NULL, NULL, "prod",
! 207: /* 8720 (0x2210) */
! 208: NULL, "sum", "minus", NULL, NULL, NULL, NULL, "lowast",
! 209: NULL, NULL, "radic", NULL, NULL, "prop", "infin", NULL,
! 210: /* 8736 (0x2220) */
! 211: "ang", NULL, NULL, NULL, NULL, NULL, NULL, "and",
! 212: "or", "cap", "cup", "int", NULL, NULL, NULL, NULL,
! 213: /* 8752 (0x2230) */
! 214: NULL, NULL, NULL, NULL, "there4", NULL, NULL, NULL,
! 215: NULL, NULL, NULL, NULL, "sim", NULL, NULL, NULL,
! 216: /* 8768 (0x2240) */
! 217: NULL, NULL, NULL, NULL, NULL, "cong", NULL, NULL,
! 218: "asymp", NULL, NULL, NULL, NULL, NULL, NULL, NULL,
! 219: /* 8784 (0x2250) */
! 220: NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
! 221: NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
! 222: /* 8800 (0x2260) */
! 223: "ne", "equiv", NULL, NULL, "le", "ge", NULL, NULL,
! 224: NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
! 225: /* 8816 (0x2270) */
! 226: NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
! 227: NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
! 228: /* 8832 (0x2280) */
! 229: NULL, NULL, "sub", "sup", "nsub", NULL, "sube", "supe",
! 230: NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
! 231: /* 8848 (0x2290) */
! 232: NULL, NULL, NULL, NULL, NULL, "oplus", NULL, "otimes",
! 233: NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
! 234: /* 8864 (0x22a0) */
! 235: NULL, NULL, NULL, NULL, NULL, "perp", NULL, NULL,
! 236: NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
! 237: /* 8880 (0x22b0) */
! 238: NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
! 239: NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
! 240: /* 8896 (0x22c0) */
! 241: NULL, NULL, NULL, NULL, NULL, "sdot", NULL, NULL,
! 242: NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
! 243: /* 8912 (0x22d0) */
! 244: NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
! 245: NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
! 246: /* 8928 (0x22e0) */
! 247: NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
! 248: NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
! 249: /* 8944 (0x22f0) */
! 250: NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
! 251: NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
! 252: /* 8960 (0x2300) */
! 253: NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
! 254: "lceil", "rceil", "lfloor", "rfloor", NULL, NULL, NULL, NULL,
! 255: /* 8976 (0x2310) */
! 256: NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
! 257: NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
! 258: /* 8992 (0x2320) */
! 259: NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
! 260: NULL, "lang", "rang"
! 261: };
! 262:
! 263: static entity_table_t ent_uni_9674[] = {
! 264: /* 9674 */
! 265: "loz"
! 266: };
! 267:
! 268: static entity_table_t ent_uni_9824_9830[] = {
! 269: /* 9824 */
! 270: "spades", NULL, NULL, "clubs", NULL, "hearts", "diams"
! 271: };
! 272:
! 273: static entity_table_t ent_koi8r[] = {
! 274: "#1105", /* "jo "*/
! 275: NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
! 276: NULL, NULL, NULL, NULL, NULL, "#1025", /* "JO" */
! 277: NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
! 278: "#1102", "#1072", "#1073", "#1094", "#1076", "#1077", "#1092",
! 279: "#1075", "#1093", "#1080", "#1081", "#1082", "#1083", "#1084",
! 280: "#1085", "#1086", "#1087", "#1103", "#1088", "#1089", "#1090",
! 281: "#1091", "#1078", "#1074", "#1100", "#1099", "#1079", "#1096",
! 282: "#1101", "#1097", "#1095", "#1098", "#1070", "#1040", "#1041",
! 283: "#1062", "#1044", "#1045", "#1060", "#1043", "#1061", "#1048",
! 284: "#1049", "#1050", "#1051", "#1052", "#1053", "#1054", "#1055",
! 285: "#1071", "#1056", "#1057", "#1058", "#1059", "#1046", "#1042",
! 286: "#1068", "#1067", "#1047", "#1064", "#1069", "#1065", "#1063",
! 287: "#1066"
! 288: };
! 289:
! 290: static entity_table_t ent_cp_1251[] = {
! 291: "#1026", "#1027", "#8218", "#1107", "#8222", "hellip", "dagger",
! 292: "Dagger", "euro", "permil", "#1033", "#8249", "#1034", "#1036",
! 293: "#1035", "#1039", "#1106", "#8216", "#8217", "#8219", "#8220",
! 294: "bull", "ndash", "mdash", NULL, "trade", "#1113", "#8250",
! 295: "#1114", "#1116", "#1115", "#1119", "nbsp", "#1038", "#1118",
! 296: "#1032", "curren", "#1168", "brvbar", "sect", "#1025", "copy",
! 297: "#1028", "laquo", "not", "shy", "reg", "#1031", "deg", "plusmn",
! 298: "#1030", "#1110", "#1169", "micro", "para", "middot", "#1105",
! 299: "#8470", "#1108", "raquo", "#1112", "#1029", "#1109", "#1111",
! 300: "#1040", "#1041", "#1042", "#1043", "#1044", "#1045", "#1046",
! 301: "#1047", "#1048", "#1049", "#1050", "#1051", "#1052", "#1053",
! 302: "#1054", "#1055", "#1056", "#1057", "#1058", "#1059", "#1060",
! 303: "#1061", "#1062", "#1063", "#1064", "#1065", "#1066", "#1067",
! 304: "#1068", "#1069", "#1070", "#1071", "#1072", "#1073", "#1074",
! 305: "#1075", "#1076", "#1077", "#1078", "#1079", "#1080", "#1081",
! 306: "#1082", "#1083", "#1084", "#1085", "#1086", "#1087", "#1088",
! 307: "#1089", "#1090", "#1091", "#1092", "#1093", "#1094", "#1095",
! 308: "#1096", "#1097", "#1098", "#1099", "#1100", "#1101", "#1102",
! 309: "#1103"
! 310: };
! 311:
! 312: static entity_table_t ent_iso_8859_5[] = {
! 313: "#1056", "#1057", "#1058", "#1059", "#1060", "#1061", "#1062",
! 314: "#1063", "#1064", "#1065", "#1066", "#1067", "#1068", "#1069",
! 315: "#1070", "#1071", "#1072", "#1073", "#1074", "#1075", "#1076",
! 316: "#1077", "#1078", "#1079", "#1080", "#1081", "#1082", "#1083",
! 317: "#1084", "#1085", "#1086", "#1087", "#1088", "#1089", "#1090",
! 318: "#1091", "#1092", "#1093", "#1094", "#1095", "#1096", "#1097",
! 319: "#1098", "#1099", "#1100", "#1101", "#1102", "#1103", "#1104",
! 320: "#1105", "#1106", "#1107", "#1108", "#1109", "#1110", "#1111",
! 321: "#1112", "#1113", "#1114", "#1115", "#1116", "#1117", "#1118",
! 322: "#1119"
! 323: };
! 324:
! 325: static entity_table_t ent_cp_866[] = {
! 326:
! 327: "#9492", "#9524", "#9516", "#9500", "#9472", "#9532", "#9566",
! 328: "#9567", "#9562", "#9556", "#9577", "#9574", "#9568", "#9552",
! 329: "#9580", "#9575", "#9576", "#9572", "#9573", "#9561", "#9560",
! 330: "#9554", "#9555", "#9579", "#9578", "#9496", "#9484", "#9608",
! 331: "#9604", "#9612", "#9616", "#9600", "#1088", "#1089", "#1090",
! 332: "#1091", "#1092", "#1093", "#1094", "#1095", "#1096", "#1097",
! 333: "#1098", "#1099", "#1100", "#1101", "#1102", "#1103", "#1025",
! 334: "#1105", "#1028", "#1108", "#1031", "#1111", "#1038", "#1118",
! 335: "#176", "#8729", "#183", "#8730", "#8470", "#164", "#9632",
! 336: "#160"
! 337: };
! 338:
! 339: /* MacRoman has a couple of low-ascii chars that need mapping too */
! 340: /* Vertical tab (ASCII 11) is often used to store line breaks inside */
! 341: /* DB exports, this mapping changes it to a space */
! 342: static entity_table_t ent_macroman[] = {
! 343: "sp", NULL, NULL, NULL,
! 344: NULL, NULL, NULL, NULL, NULL, NULL, NULL,
! 345: NULL, NULL, NULL, NULL, NULL, NULL, NULL,
! 346: NULL, NULL, NULL, NULL, NULL, "quot", NULL,
! 347: NULL, NULL, "amp", NULL, NULL, NULL, NULL,
! 348: NULL, NULL, NULL, NULL, NULL, NULL, NULL,
! 349: NULL, NULL, NULL, NULL, NULL, NULL, NULL,
! 350: NULL, NULL, NULL, "lt", NULL, "gt", NULL,
! 351: NULL, NULL, NULL, NULL, NULL, NULL, NULL,
! 352: NULL, NULL, NULL, NULL, NULL, NULL, NULL,
! 353: NULL, NULL, NULL, NULL, NULL, NULL, NULL,
! 354: NULL, NULL, NULL, NULL, NULL, NULL, NULL,
! 355: NULL, NULL, NULL, NULL, NULL, NULL, NULL,
! 356: NULL, NULL, NULL, NULL, NULL, NULL, NULL,
! 357: NULL, NULL, NULL, NULL, NULL, NULL, NULL,
! 358: NULL, NULL, NULL, NULL, NULL, NULL, NULL,
! 359: NULL, NULL, NULL, NULL, NULL, NULL, NULL,
! 360: NULL, "Auml", "Aring", "Ccedil", "Eacute", "Ntilde", "Ouml",
! 361: "Uuml", "aacute", "agrave", "acirc", "auml", "atilde", "aring",
! 362: "ccedil", "eacute", "egrave", "ecirc", "euml", "iacute", "igrave",
! 363: "icirc", "iuml", "ntilde", "oacute", "ograve", "ocirc", "ouml",
! 364: "otilde", "uacute", "ugrave", "ucirc", "uuml", "dagger", "deg",
! 365: "cent", "pound", "sect", "bull", "para", "szlig", "reg",
! 366: "copy", "trade", "acute", "uml", "ne", "AElig", "Oslash",
! 367: "infin", "plusmn", "le", "ge", "yen", "micro", "part",
! 368: "sum", "prod", "pi", "int", "ordf", "ordm", "Omega",
! 369: "aelig", "oslash", "iquest", "iexcl", "not", "radic", "fnof",
! 370: "asymp", "#8710", "laquo", "raquo", "hellip", "nbsp", "Agrave",
! 371: "Atilde", "Otilde", "OElig", "oelig", "ndash", "mdash", "ldquo",
! 372: "rdquo", "lsquo", "rsquo", "divide", "loz", "yuml", "Yuml",
! 373: "frasl", "euro", "lsaquo", "rsaquo", "#xFB01", "#xFB02", "Dagger",
! 374: "middot", "sbquo", "bdquo", "permil", "Acirc", "Ecirc", "Aacute",
! 375: "Euml", "Egrave", "Iacute", "Icirc", "Iuml", "Igrave", "Oacute",
! 376: "Ocirc", "#xF8FF", "Ograve", "Uacute", "Ucirc", "Ugrave", "#305",
! 377: "circ", "tilde", "macr", "#728", "#729", "#730", "cedil",
! 378: "#733", "#731", "#711"
! 379: };
! 380:
! 381: struct html_entity_map {
! 382: enum entity_charset charset; /* charset identifier */
! 383: unsigned int basechar; /* char code at start of table */
! 384: unsigned int endchar; /* last char code in the table */
! 385: entity_table_t *table; /* the table of mappings */
! 386: };
! 387:
! 388: static const struct html_entity_map entity_map[] = {
! 389: { cs_cp1252, 0x80, 0x9f, ent_cp_1252 },
! 390: { cs_cp1252, 0xa0, 0xff, ent_iso_8859_1 },
! 391: { cs_8859_1, 0xa0, 0xff, ent_iso_8859_1 },
! 392: { cs_8859_15, 0xa0, 0xff, ent_iso_8859_15 },
! 393: { cs_utf_8, 0xa0, 0xff, ent_iso_8859_1 },
! 394: { cs_utf_8, 338, 402, ent_uni_338_402 },
! 395: { cs_utf_8, 710, 732, ent_uni_spacing },
! 396: { cs_utf_8, 913, 982, ent_uni_greek },
! 397: { cs_utf_8, 8194, 8260, ent_uni_punct },
! 398: { cs_utf_8, 8364, 8364, ent_uni_euro },
! 399: { cs_utf_8, 8465, 8501, ent_uni_8465_8501 },
! 400: { cs_utf_8, 8592, 9002, ent_uni_8592_9002 },
! 401: { cs_utf_8, 9674, 9674, ent_uni_9674 },
! 402: { cs_utf_8, 9824, 9830, ent_uni_9824_9830 },
! 403: { cs_big5, 0xa0, 0xff, ent_iso_8859_1 },
! 404: { cs_gb2312, 0xa0, 0xff, ent_iso_8859_1 },
! 405: { cs_big5hkscs, 0xa0, 0xff, ent_iso_8859_1 },
! 406: { cs_sjis, 0xa0, 0xff, ent_iso_8859_1 },
! 407: { cs_eucjp, 0xa0, 0xff, ent_iso_8859_1 },
! 408: { cs_koi8r, 0xa3, 0xff, ent_koi8r },
! 409: { cs_cp1251, 0x80, 0xff, ent_cp_1251 },
! 410: { cs_8859_5, 0xc0, 0xff, ent_iso_8859_5 },
! 411: { cs_cp866, 0xc0, 0xff, ent_cp_866 },
! 412: { cs_macroman, 0x0b, 0xff, ent_macroman },
! 413: { cs_terminator }
! 414: };
! 415:
! 416: static const struct {
! 417: const char *codeset;
! 418: enum entity_charset charset;
! 419: } charset_map[] = {
! 420: { "ISO-8859-1", cs_8859_1 },
! 421: { "ISO8859-1", cs_8859_1 },
! 422: { "ISO-8859-15", cs_8859_15 },
! 423: { "ISO8859-15", cs_8859_15 },
! 424: { "utf-8", cs_utf_8 },
! 425: { "cp1252", cs_cp1252 },
! 426: { "Windows-1252", cs_cp1252 },
! 427: { "1252", cs_cp1252 },
! 428: { "BIG5", cs_big5 },
! 429: { "950", cs_big5 },
! 430: { "GB2312", cs_gb2312 },
! 431: { "936", cs_gb2312 },
! 432: { "BIG5-HKSCS", cs_big5hkscs },
! 433: { "Shift_JIS", cs_sjis },
! 434: { "SJIS", cs_sjis },
! 435: { "932", cs_sjis },
! 436: { "EUCJP", cs_eucjp },
! 437: { "EUC-JP", cs_eucjp },
! 438: { "KOI8-R", cs_koi8r },
! 439: { "koi8-ru", cs_koi8r },
! 440: { "koi8r", cs_koi8r },
! 441: { "cp1251", cs_cp1251 },
! 442: { "Windows-1251", cs_cp1251 },
! 443: { "win-1251", cs_cp1251 },
! 444: { "iso8859-5", cs_8859_5 },
! 445: { "iso-8859-5", cs_8859_5 },
! 446: { "cp866", cs_cp866 },
! 447: { "866", cs_cp866 },
! 448: { "ibm866", cs_cp866 },
! 449: { "MacRoman", cs_macroman },
! 450: { NULL }
! 451: };
! 452:
! 453: static const struct {
! 454: unsigned short charcode;
! 455: char *entity;
! 456: int entitylen;
! 457: int flags;
! 458: } basic_entities[] = {
! 459: { '"', """, 6, ENT_HTML_QUOTE_DOUBLE },
! 460: { '\'', "'", 6, ENT_HTML_QUOTE_SINGLE },
! 461: { '\'', "'", 5, ENT_HTML_QUOTE_SINGLE },
! 462: { '<', "<", 4, 0 },
! 463: { '>', ">", 4, 0 },
! 464: { 0, NULL, 0, 0 }
! 465: };
! 466:
! 467: struct basic_entities_dec {
! 468: unsigned short charcode;
! 469: char entity[8];
! 470: int entitylen;
! 471: };
! 472:
! 473: #define MB_RETURN { \
! 474: *newpos = pos; \
! 475: mbseq[mbpos] = '\0'; \
! 476: *mbseqlen = mbpos; \
! 477: return this_char; }
! 478:
! 479: #define MB_WRITE(mbchar) { \
! 480: mbspace--; \
! 481: if (mbspace == 0) { \
! 482: MB_RETURN; \
! 483: } \
! 484: mbseq[mbpos++] = (mbchar); }
! 485:
! 486: /* skip one byte and return */
! 487: #define MB_FAILURE(pos) do { \
! 488: *newpos = pos + 1; \
! 489: *status = FAILURE; \
! 490: return 0; \
! 491: } while (0)
! 492:
! 493: #define CHECK_LEN(pos, chars_need) \
! 494: if (chars_need < 1) { \
! 495: if((str_len - (pos)) < chars_need) { \
! 496: *newpos = pos; \
! 497: *status = FAILURE; \
! 498: return 0; \
! 499: } \
! 500: } else { \
! 501: if((str_len - (pos)) < chars_need) { \
! 502: *newpos = pos + 1; \
! 503: *status = FAILURE; \
! 504: return 0; \
! 505: } \
! 506: }
! 507:
! 508: /* {{{ get_next_char
! 509: */
! 510: inline static unsigned int get_next_char(enum entity_charset charset,
! 511: unsigned char * str,
! 512: int str_len,
! 513: int * newpos,
! 514: unsigned char * mbseq,
! 515: int * mbseqlen,
! 516: int *status)
! 517: {
! 518: int pos = *newpos;
! 519: int mbpos = 0;
! 520: int mbspace = *mbseqlen;
! 521: unsigned int this_char = 0;
! 522: unsigned char next_char;
! 523:
! 524: *status = SUCCESS;
! 525:
! 526: if (mbspace <= 0) {
! 527: *mbseqlen = 0;
! 528: CHECK_LEN(pos, 1);
! 529: *newpos = pos + 1;
! 530: return str[pos];
! 531: }
! 532:
! 533: switch (charset) {
! 534: case cs_utf_8:
! 535: {
! 536: unsigned char c;
! 537: CHECK_LEN(pos, 1);
! 538: c = str[pos];
! 539: if (c < 0x80) {
! 540: MB_WRITE(c);
! 541: this_char = c;
! 542: pos++;
! 543: } else if (c < 0xc2) {
! 544: MB_FAILURE(pos);
! 545: } else if (c < 0xe0) {
! 546: CHECK_LEN(pos, 2);
! 547: if (str[pos + 1] < 0x80 || str[pos + 1] > 0xbf) {
! 548: MB_FAILURE(pos);
! 549: }
! 550: this_char = ((c & 0x1f) << 6) | (str[pos + 1] & 0x3f);
! 551: if (this_char < 0x80) {
! 552: MB_FAILURE(pos);
! 553: }
! 554: MB_WRITE((unsigned char)c);
! 555: MB_WRITE((unsigned char)str[pos + 1]);
! 556: pos += 2;
! 557: } else if (c < 0xf0) {
! 558: CHECK_LEN(pos, 3);
! 559: if (str[pos + 1] < 0x80 || str[pos + 1] > 0xbf) {
! 560: MB_FAILURE(pos);
! 561: }
! 562: if (str[pos + 2] < 0x80 || str[pos + 2] > 0xbf) {
! 563: MB_FAILURE(pos);
! 564: }
! 565: this_char = ((c & 0x0f) << 12) | ((str[pos + 1] & 0x3f) << 6) | (str[pos + 2] & 0x3f);
! 566: if (this_char < 0x800) {
! 567: MB_FAILURE(pos);
! 568: } else if (this_char >= 0xd800 && this_char <= 0xdfff) {
! 569: MB_FAILURE(pos);
! 570: }
! 571: MB_WRITE((unsigned char)c);
! 572: MB_WRITE((unsigned char)str[pos + 1]);
! 573: MB_WRITE((unsigned char)str[pos + 2]);
! 574: pos += 3;
! 575: } else if (c < 0xf5) {
! 576: CHECK_LEN(pos, 4);
! 577: if (str[pos + 1] < 0x80 || str[pos + 1] > 0xbf) {
! 578: MB_FAILURE(pos);
! 579: }
! 580: if (str[pos + 2] < 0x80 || str[pos + 2] > 0xbf) {
! 581: MB_FAILURE(pos);
! 582: }
! 583: if (str[pos + 3] < 0x80 || str[pos + 3] > 0xbf) {
! 584: MB_FAILURE(pos);
! 585: }
! 586: this_char = ((c & 0x07) << 18) | ((str[pos + 1] & 0x3f) << 12) | ((str[pos + 2] & 0x3f) << 6) | (str[pos + 3] & 0x3f);
! 587: if (this_char < 0x10000 || this_char > 0x10FFFF) {
! 588: MB_FAILURE(pos);
! 589: }
! 590: MB_WRITE((unsigned char)c);
! 591: MB_WRITE((unsigned char)str[pos + 1]);
! 592: MB_WRITE((unsigned char)str[pos + 2]);
! 593: MB_WRITE((unsigned char)str[pos + 3]);
! 594: pos += 4;
! 595: } else {
! 596: MB_FAILURE(pos);
! 597: }
! 598: }
! 599: break;
! 600: case cs_big5:
! 601: case cs_gb2312:
! 602: case cs_big5hkscs:
! 603: {
! 604: CHECK_LEN(pos, 1);
! 605: this_char = str[pos++];
! 606: /* check if this is the first of a 2-byte sequence */
! 607: if (this_char >= 0x81 && this_char <= 0xfe) {
! 608: /* peek at the next char */
! 609: CHECK_LEN(pos, 1);
! 610: next_char = str[pos++];
! 611: if ((next_char >= 0x40 && next_char <= 0x7e) ||
! 612: (next_char >= 0xa1 && next_char <= 0xfe)) {
! 613: /* yes, this a wide char */
! 614: MB_WRITE(this_char);
! 615: MB_WRITE(next_char);
! 616: this_char = (this_char << 8) | next_char;
! 617: } else {
! 618: MB_FAILURE(pos);
! 619: }
! 620: } else {
! 621: MB_WRITE(this_char);
! 622: }
! 623: }
! 624: break;
! 625: case cs_sjis:
! 626: {
! 627: CHECK_LEN(pos, 1);
! 628: this_char = str[pos++];
! 629: /* check if this is the first of a 2-byte sequence */
! 630: if ((this_char >= 0x81 && this_char <= 0x9f) ||
! 631: (this_char >= 0xe0 && this_char <= 0xfc)) {
! 632: /* peek at the next char */
! 633: CHECK_LEN(pos, 1);
! 634: next_char = str[pos++];
! 635: if ((next_char >= 0x40 && next_char <= 0x7e) ||
! 636: (next_char >= 0x80 && next_char <= 0xfc))
! 637: {
! 638: /* yes, this a wide char */
! 639: MB_WRITE(this_char);
! 640: MB_WRITE(next_char);
! 641: this_char = (this_char << 8) | next_char;
! 642: } else {
! 643: MB_FAILURE(pos);
! 644: }
! 645: } else {
! 646: MB_WRITE(this_char);
! 647: }
! 648: break;
! 649: }
! 650: case cs_eucjp:
! 651: {
! 652: CHECK_LEN(pos, 1);
! 653: this_char = str[pos++];
! 654: /* check if this is the first of a multi-byte sequence */
! 655: if (this_char >= 0xa1 && this_char <= 0xfe) {
! 656: /* peek at the next char */
! 657: CHECK_LEN(pos, 1);
! 658: next_char = str[pos++];
! 659: if (next_char >= 0xa1 && next_char <= 0xfe) {
! 660: /* yes, this a jis kanji char */
! 661: MB_WRITE(this_char);
! 662: MB_WRITE(next_char);
! 663: this_char = (this_char << 8) | next_char;
! 664: } else {
! 665: MB_FAILURE(pos);
! 666: }
! 667: } else if (this_char == 0x8e) {
! 668: /* peek at the next char */
! 669: CHECK_LEN(pos, 1);
! 670: next_char = str[pos++];
! 671: if (next_char >= 0xa1 && next_char <= 0xdf) {
! 672: /* JIS X 0201 kana */
! 673: MB_WRITE(this_char);
! 674: MB_WRITE(next_char);
! 675: this_char = (this_char << 8) | next_char;
! 676: } else {
! 677: MB_FAILURE(pos);
! 678: }
! 679: } else if (this_char == 0x8f) {
! 680: /* peek at the next two char */
! 681: unsigned char next2_char;
! 682: CHECK_LEN(pos, 2);
! 683: next_char = str[pos];
! 684: next2_char = str[pos + 1];
! 685: pos += 2;
! 686: if ((next_char >= 0xa1 && next_char <= 0xfe) &&
! 687: (next2_char >= 0xa1 && next2_char <= 0xfe)) {
! 688: /* JIS X 0212 hojo-kanji */
! 689: MB_WRITE(this_char);
! 690: MB_WRITE(next_char);
! 691: MB_WRITE(next2_char);
! 692: this_char = (this_char << 16) | (next_char << 8) | next2_char;
! 693: } else {
! 694: MB_FAILURE(pos);
! 695: }
! 696: } else {
! 697: MB_WRITE(this_char);
! 698: }
! 699: break;
! 700: }
! 701: default:
! 702: /* single-byte charsets */
! 703: CHECK_LEN(pos, 1);
! 704: this_char = str[pos++];
! 705: MB_WRITE(this_char);
! 706: break;
! 707: }
! 708: MB_RETURN;
! 709: }
! 710: /* }}} */
! 711:
! 712: /* {{{ entity_charset determine_charset
! 713: * returns the charset identifier based on current locale or a hint.
! 714: * defaults to iso-8859-1 */
! 715: static enum entity_charset determine_charset(char *charset_hint TSRMLS_DC)
! 716: {
! 717: int i;
! 718: enum entity_charset charset = cs_8859_1;
! 719: int len = 0;
! 720: zval *uf_result = NULL;
! 721:
! 722: /* Guarantee default behaviour for backwards compatibility */
! 723: if (charset_hint == NULL)
! 724: return cs_8859_1;
! 725:
! 726: if ((len = strlen(charset_hint)) != 0) {
! 727: goto det_charset;
! 728: }
! 729: #if HAVE_MBSTRING
! 730: #if !defined(COMPILE_DL_MBSTRING)
! 731: /* XXX: Ugly things. Why don't we look for a more sophisticated way? */
! 732: switch (MBSTRG(current_internal_encoding)) {
! 733: case mbfl_no_encoding_8859_1:
! 734: return cs_8859_1;
! 735:
! 736: case mbfl_no_encoding_utf8:
! 737: return cs_utf_8;
! 738:
! 739: case mbfl_no_encoding_euc_jp:
! 740: case mbfl_no_encoding_eucjp_win:
! 741: return cs_eucjp;
! 742:
! 743: case mbfl_no_encoding_sjis:
! 744: case mbfl_no_encoding_sjis_open:
! 745: case mbfl_no_encoding_cp932:
! 746: return cs_sjis;
! 747:
! 748: case mbfl_no_encoding_cp1252:
! 749: return cs_cp1252;
! 750:
! 751: case mbfl_no_encoding_8859_15:
! 752: return cs_8859_15;
! 753:
! 754: case mbfl_no_encoding_big5:
! 755: return cs_big5;
! 756:
! 757: case mbfl_no_encoding_euc_cn:
! 758: case mbfl_no_encoding_hz:
! 759: case mbfl_no_encoding_cp936:
! 760: return cs_gb2312;
! 761:
! 762: case mbfl_no_encoding_koi8r:
! 763: return cs_koi8r;
! 764:
! 765: case mbfl_no_encoding_cp866:
! 766: return cs_cp866;
! 767:
! 768: case mbfl_no_encoding_cp1251:
! 769: return cs_cp1251;
! 770:
! 771: case mbfl_no_encoding_8859_5:
! 772: return cs_8859_5;
! 773:
! 774: default:
! 775: ;
! 776: }
! 777: #else
! 778: {
! 779: zval nm_mb_internal_encoding;
! 780:
! 781: ZVAL_STRING(&nm_mb_internal_encoding, "mb_internal_encoding", 0);
! 782:
! 783: if (call_user_function_ex(CG(function_table), NULL, &nm_mb_internal_encoding, &uf_result, 0, NULL, 1, NULL TSRMLS_CC) != FAILURE) {
! 784:
! 785: charset_hint = Z_STRVAL_P(uf_result);
! 786: len = Z_STRLEN_P(uf_result);
! 787:
! 788: if (len == 4) { /* sizeof(none|auto|pass)-1 */
! 789: if (!memcmp("pass", charset_hint, sizeof("pass") - 1) ||
! 790: !memcmp("auto", charset_hint, sizeof("auto") - 1) ||
! 791: !memcmp("none", charset_hint, sizeof("none") - 1)) {
! 792:
! 793: charset_hint = NULL;
! 794: len = 0;
! 795: }
! 796: }
! 797: goto det_charset;
! 798: }
! 799: }
! 800: #endif
! 801: #endif
! 802:
! 803: charset_hint = SG(default_charset);
! 804: if (charset_hint != NULL && (len=strlen(charset_hint)) != 0) {
! 805: goto det_charset;
! 806: }
! 807:
! 808: /* try to detect the charset for the locale */
! 809: #if HAVE_NL_LANGINFO && HAVE_LOCALE_H && defined(CODESET)
! 810: charset_hint = nl_langinfo(CODESET);
! 811: if (charset_hint != NULL && (len=strlen(charset_hint)) != 0) {
! 812: goto det_charset;
! 813: }
! 814: #endif
! 815:
! 816: #if HAVE_LOCALE_H
! 817: /* try to figure out the charset from the locale */
! 818: {
! 819: char *localename;
! 820: char *dot, *at;
! 821:
! 822: /* lang[_territory][.codeset][@modifier] */
! 823: localename = setlocale(LC_CTYPE, NULL);
! 824:
! 825: dot = strchr(localename, '.');
! 826: if (dot) {
! 827: dot++;
! 828: /* locale specifies a codeset */
! 829: at = strchr(dot, '@');
! 830: if (at)
! 831: len = at - dot;
! 832: else
! 833: len = strlen(dot);
! 834: charset_hint = dot;
! 835: } else {
! 836: /* no explicit name; see if the name itself
! 837: * is the charset */
! 838: charset_hint = localename;
! 839: len = strlen(charset_hint);
! 840: }
! 841: }
! 842: #endif
! 843:
! 844: det_charset:
! 845:
! 846: if (charset_hint) {
! 847: int found = 0;
! 848:
! 849: /* now walk the charset map and look for the codeset */
! 850: for (i = 0; charset_map[i].codeset; i++) {
! 851: if (len == strlen(charset_map[i].codeset) && strncasecmp(charset_hint, charset_map[i].codeset, len) == 0) {
! 852: charset = charset_map[i].charset;
! 853: found = 1;
! 854: break;
! 855: }
! 856: }
! 857: if (!found) {
! 858: php_error_docref(NULL TSRMLS_CC, E_WARNING, "charset `%s' not supported, assuming iso-8859-1",
! 859: charset_hint);
! 860: }
! 861: }
! 862: if (uf_result != NULL) {
! 863: zval_ptr_dtor(&uf_result);
! 864: }
! 865: return charset;
! 866: }
! 867: /* }}} */
! 868:
! 869: /* {{{ php_utf32_utf8 */
! 870: size_t php_utf32_utf8(unsigned char *buf, unsigned k)
! 871: {
! 872: size_t retval = 0;
! 873:
! 874: if (k < 0x80) {
! 875: buf[0] = k;
! 876: retval = 1;
! 877: } else if (k < 0x800) {
! 878: buf[0] = 0xc0 | (k >> 6);
! 879: buf[1] = 0x80 | (k & 0x3f);
! 880: retval = 2;
! 881: } else if (k < 0x10000) {
! 882: buf[0] = 0xe0 | (k >> 12);
! 883: buf[1] = 0x80 | ((k >> 6) & 0x3f);
! 884: buf[2] = 0x80 | (k & 0x3f);
! 885: retval = 3;
! 886: } else if (k < 0x200000) {
! 887: buf[0] = 0xf0 | (k >> 18);
! 888: buf[1] = 0x80 | ((k >> 12) & 0x3f);
! 889: buf[2] = 0x80 | ((k >> 6) & 0x3f);
! 890: buf[3] = 0x80 | (k & 0x3f);
! 891: retval = 4;
! 892: } else if (k < 0x4000000) {
! 893: buf[0] = 0xf8 | (k >> 24);
! 894: buf[1] = 0x80 | ((k >> 18) & 0x3f);
! 895: buf[2] = 0x80 | ((k >> 12) & 0x3f);
! 896: buf[3] = 0x80 | ((k >> 6) & 0x3f);
! 897: buf[4] = 0x80 | (k & 0x3f);
! 898: retval = 5;
! 899: } else {
! 900: buf[0] = 0xfc | (k >> 30);
! 901: buf[1] = 0x80 | ((k >> 24) & 0x3f);
! 902: buf[2] = 0x80 | ((k >> 18) & 0x3f);
! 903: buf[3] = 0x80 | ((k >> 12) & 0x3f);
! 904: buf[4] = 0x80 | ((k >> 6) & 0x3f);
! 905: buf[5] = 0x80 | (k & 0x3f);
! 906: retval = 6;
! 907: }
! 908: buf[retval] = '\0';
! 909:
! 910: return retval;
! 911: }
! 912: /* }}} */
! 913:
! 914: /* {{{ php_unescape_html_entities
! 915: */
! 916: PHPAPI char *php_unescape_html_entities(unsigned char *old, int oldlen, int *newlen, int all, int quote_style, char *hint_charset TSRMLS_DC)
! 917: {
! 918: int retlen;
! 919: int j, k;
! 920: char *replaced, *ret, *p, *q, *lim, *next;
! 921: enum entity_charset charset = determine_charset(hint_charset TSRMLS_CC);
! 922: unsigned char replacement[15];
! 923: int replacement_len;
! 924:
! 925: ret = estrndup(old, oldlen);
! 926: retlen = oldlen;
! 927: if (!retlen) {
! 928: goto empty_source;
! 929: }
! 930:
! 931: if (all) {
! 932: /* look for a match in the maps for this charset */
! 933: for (j = 0; entity_map[j].charset != cs_terminator; j++) {
! 934: if (entity_map[j].charset != charset)
! 935: continue;
! 936:
! 937: for (k = entity_map[j].basechar; k <= entity_map[j].endchar; k++) {
! 938: unsigned char entity[32];
! 939: int entity_length = 0;
! 940:
! 941: if (entity_map[j].table[k - entity_map[j].basechar] == NULL)
! 942: continue;
! 943:
! 944: entity_length = slprintf(entity, sizeof(entity), "&%s;", entity_map[j].table[k - entity_map[j].basechar]);
! 945: if (entity_length >= sizeof(entity)) {
! 946: continue;
! 947: }
! 948:
! 949: /* When we have MBCS entities in the tables above, this will need to handle it */
! 950: replacement_len = 0;
! 951: switch (charset) {
! 952: case cs_8859_1:
! 953: case cs_cp1252:
! 954: case cs_8859_15:
! 955: case cs_cp1251:
! 956: case cs_8859_5:
! 957: case cs_cp866:
! 958: case cs_koi8r:
! 959: replacement[0] = k;
! 960: replacement[1] = '\0';
! 961: replacement_len = 1;
! 962: break;
! 963:
! 964: case cs_big5:
! 965: case cs_gb2312:
! 966: case cs_big5hkscs:
! 967: case cs_sjis:
! 968: case cs_eucjp:
! 969: /* we cannot properly handle those multibyte encodings
! 970: * with php_str_to_str. skip it. */
! 971: continue;
! 972:
! 973: case cs_utf_8:
! 974: replacement_len = php_utf32_utf8(replacement, k);
! 975: break;
! 976:
! 977: default:
! 978: php_error_docref(NULL TSRMLS_CC, E_WARNING, "cannot yet handle MBCS!");
! 979: efree(ret);
! 980: return NULL;
! 981: }
! 982:
! 983: if (php_memnstr(ret, entity, entity_length, ret+retlen)) {
! 984: replaced = php_str_to_str(ret, retlen, entity, entity_length, replacement, replacement_len, &retlen);
! 985: efree(ret);
! 986: ret = replaced;
! 987: }
! 988: }
! 989: }
! 990: }
! 991:
! 992: for (j = 0; basic_entities[j].charcode != 0; j++) {
! 993:
! 994: if (basic_entities[j].flags && (quote_style & basic_entities[j].flags) == 0)
! 995: continue;
! 996:
! 997: replacement[0] = (unsigned char)basic_entities[j].charcode;
! 998: replacement[1] = '\0';
! 999:
! 1000: if (php_memnstr(ret, basic_entities[j].entity, basic_entities[j].entitylen, ret+retlen)) {
! 1001: replaced = php_str_to_str(ret, retlen, basic_entities[j].entity, basic_entities[j].entitylen, replacement, 1, &retlen);
! 1002: efree(ret);
! 1003: ret = replaced;
! 1004: }
! 1005: }
! 1006:
! 1007: /* replace numeric entities & "&" */
! 1008: lim = ret + retlen;
! 1009: for (p = ret, q = ret; p < lim;) {
! 1010: int code;
! 1011:
! 1012: if (p[0] == '&') {
! 1013: if (p + 2 < lim) {
! 1014: if (p[1] == '#') {
! 1015: int invalid_code = 0;
! 1016:
! 1017: if (p[2] == 'x' || p[2] == 'X') {
! 1018: code = strtol(p + 3, &next, 16);
! 1019: } else {
! 1020: code = strtol(p + 2, &next, 10);
! 1021: }
! 1022:
! 1023: if ((code == '\'' && !(quote_style & ENT_HTML_QUOTE_SINGLE)) ||
! 1024: (code == '"' && !(quote_style & ENT_HTML_QUOTE_DOUBLE))) {
! 1025: invalid_code = 1;
! 1026: }
! 1027:
! 1028: if (next != NULL && *next == ';' && !invalid_code) {
! 1029: switch (charset) {
! 1030: case cs_utf_8:
! 1031: q += php_utf32_utf8(q, code);
! 1032: break;
! 1033:
! 1034: case cs_8859_1:
! 1035: case cs_8859_5:
! 1036: case cs_8859_15:
! 1037: if ((code >= 0x80 && code < 0xa0) || code > 0xff) {
! 1038: invalid_code = 1;
! 1039: } else {
! 1040: *(q++) = code;
! 1041: }
! 1042: break;
! 1043:
! 1044: case cs_cp1252:
! 1045: if (code > 0xff) {
! 1046: invalid_code = 1;
! 1047: } else {
! 1048: *(q++) = code;
! 1049: }
! 1050: break;
! 1051:
! 1052: case cs_cp1251:
! 1053: case cs_cp866:
! 1054: case cs_big5:
! 1055: case cs_big5hkscs:
! 1056: case cs_sjis:
! 1057: case cs_eucjp:
! 1058: if (code >= 0x80) {
! 1059: invalid_code = 1;
! 1060: } else {
! 1061: *(q++) = code;
! 1062: }
! 1063: break;
! 1064:
! 1065: case cs_gb2312:
! 1066: if (code >= 0x81) {
! 1067: invalid_code = 1;
! 1068: } else {
! 1069: *(q++) = code;
! 1070: }
! 1071: break;
! 1072:
! 1073: default:
! 1074: /* for backwards compatilibity */
! 1075: invalid_code = 1;
! 1076: break;
! 1077: }
! 1078: if (invalid_code) {
! 1079: for (; p <= next; p++) {
! 1080: *(q++) = *p;
! 1081: }
! 1082: }
! 1083: p = next + 1;
! 1084: } else {
! 1085: *(q++) = *(p++);
! 1086: *(q++) = *(p++);
! 1087: }
! 1088: } else if (p + 4 < lim &&
! 1089: p[1] == 'a' && p[2] == 'm' &&p[3] == 'p' &&
! 1090: p[4] == ';') {
! 1091: *(q++) = '&';
! 1092: p += 5;
! 1093: } else {
! 1094: *(q++) = *(p++);
! 1095: *(q++) = *(p++);
! 1096: }
! 1097: } else {
! 1098: *(q++) = *(p++);
! 1099: }
! 1100: } else {
! 1101: *(q++) = *(p++);
! 1102: }
! 1103: }
! 1104: *q = '\0';
! 1105: retlen = (size_t)(q - ret);
! 1106: empty_source:
! 1107: *newlen = retlen;
! 1108: return ret;
! 1109: }
! 1110: /* }}} */
! 1111:
! 1112: PHPAPI char *php_escape_html_entities(unsigned char *old, int oldlen, int *newlen, int all, int quote_style, char *hint_charset TSRMLS_DC)
! 1113: {
! 1114: return php_escape_html_entities_ex(old, oldlen, newlen, all, quote_style, hint_charset, 1 TSRMLS_CC);
! 1115: }
! 1116:
! 1117:
! 1118: /* {{{ php_escape_html_entities
! 1119: */
! 1120: PHPAPI char *php_escape_html_entities_ex(unsigned char *old, int oldlen, int *newlen, int all, int quote_style, char *hint_charset, zend_bool double_encode TSRMLS_DC)
! 1121: {
! 1122: int i, j, maxlen, len;
! 1123: char *replaced;
! 1124: enum entity_charset charset = determine_charset(hint_charset TSRMLS_CC);
! 1125: int matches_map;
! 1126:
! 1127: maxlen = 2 * oldlen;
! 1128: if (maxlen < 128)
! 1129: maxlen = 128;
! 1130: replaced = emalloc (maxlen);
! 1131: len = 0;
! 1132: i = 0;
! 1133: while (i < oldlen) {
! 1134: unsigned char mbsequence[16]; /* allow up to 15 characters in a multibyte sequence */
! 1135: int mbseqlen = sizeof(mbsequence);
! 1136: int status = SUCCESS;
! 1137: unsigned int this_char = get_next_char(charset, old, oldlen, &i, mbsequence, &mbseqlen, &status);
! 1138:
! 1139: if(status == FAILURE) {
! 1140: /* invalid MB sequence */
! 1141: if (quote_style & ENT_HTML_IGNORE_ERRORS) {
! 1142: continue;
! 1143: }
! 1144: efree(replaced);
! 1145: if(!PG(display_errors)) {
! 1146: php_error_docref(NULL TSRMLS_CC, E_WARNING, "Invalid multibyte sequence in argument");
! 1147: }
! 1148: *newlen = 0;
! 1149: return STR_EMPTY_ALLOC();
! 1150: }
! 1151: matches_map = 0;
! 1152:
! 1153: if (len + 16 > maxlen)
! 1154: replaced = erealloc (replaced, maxlen += 128);
! 1155:
! 1156: if (all) {
! 1157: /* look for a match in the maps for this charset */
! 1158: unsigned char *rep = NULL;
! 1159:
! 1160:
! 1161: for (j = 0; entity_map[j].charset != cs_terminator; j++) {
! 1162: if (entity_map[j].charset == charset
! 1163: && this_char >= entity_map[j].basechar
! 1164: && this_char <= entity_map[j].endchar) {
! 1165: rep = (unsigned char*)entity_map[j].table[this_char - entity_map[j].basechar];
! 1166: if (rep == NULL) {
! 1167: /* there is no entity for this position; fall through and
! 1168: * just output the character itself */
! 1169: break;
! 1170: }
! 1171:
! 1172: matches_map = 1;
! 1173: break;
! 1174: }
! 1175: }
! 1176:
! 1177: if (matches_map) {
! 1178: int l = strlen(rep);
! 1179: /* increase the buffer size */
! 1180: if (len + 2 + l >= maxlen) {
! 1181: replaced = erealloc(replaced, maxlen += 128);
! 1182: }
! 1183:
! 1184: replaced[len++] = '&';
! 1185: strlcpy(replaced + len, rep, maxlen);
! 1186: len += l;
! 1187: replaced[len++] = ';';
! 1188: }
! 1189: }
! 1190: if (!matches_map) {
! 1191: int is_basic = 0;
! 1192:
! 1193: if (this_char == '&') {
! 1194: if (double_encode) {
! 1195: encode_amp:
! 1196: memcpy(replaced + len, "&", sizeof("&") - 1);
! 1197: len += sizeof("&") - 1;
! 1198: } else {
! 1199: char *e = memchr(old + i, ';', oldlen - i);
! 1200: char *s = old + i;
! 1201:
! 1202: if (!e || (e - s) > 10) { /* minor optimization to avoid "entities" over 10 chars in length */
! 1203: goto encode_amp;
! 1204: } else {
! 1205: if (*s == '#') { /* numeric entities */
! 1206: s++;
! 1207: /* Hex (Z) */
! 1208: if (*s == 'x' || *s == 'X') {
! 1209: s++;
! 1210: while (s < e) {
! 1211: if (!isxdigit((int)*(unsigned char *)s++)) {
! 1212: goto encode_amp;
! 1213: }
! 1214: }
! 1215: /* Dec (Z)*/
! 1216: } else {
! 1217: while (s < e) {
! 1218: if (!isdigit((int)*(unsigned char *)s++)) {
! 1219: goto encode_amp;
! 1220: }
! 1221: }
! 1222: }
! 1223: } else { /* text entities */
! 1224: while (s < e) {
! 1225: if (!isalnum((int)*(unsigned char *)s++)) {
! 1226: goto encode_amp;
! 1227: }
! 1228: }
! 1229: }
! 1230: replaced[len++] = '&';
! 1231: }
! 1232: }
! 1233: is_basic = 1;
! 1234: } else {
! 1235: for (j = 0; basic_entities[j].charcode != 0; j++) {
! 1236: if ((basic_entities[j].charcode != this_char) ||
! 1237: (basic_entities[j].flags &&
! 1238: (quote_style & basic_entities[j].flags) == 0)) {
! 1239: continue;
! 1240: }
! 1241:
! 1242: memcpy(replaced + len, basic_entities[j].entity, basic_entities[j].entitylen);
! 1243: len += basic_entities[j].entitylen;
! 1244:
! 1245: is_basic = 1;
! 1246: break;
! 1247: }
! 1248: }
! 1249:
! 1250: if (!is_basic) {
! 1251: /* a wide char without a named entity; pass through the original sequence */
! 1252: if (mbseqlen > 1) {
! 1253: memcpy(replaced + len, mbsequence, mbseqlen);
! 1254: len += mbseqlen;
! 1255: } else {
! 1256: replaced[len++] = (unsigned char)this_char;
! 1257: }
! 1258: }
! 1259: }
! 1260: }
! 1261: replaced[len] = '\0';
! 1262: *newlen = len;
! 1263:
! 1264: return replaced;
! 1265:
! 1266:
! 1267: }
! 1268: /* }}} */
! 1269:
! 1270: /* {{{ php_html_entities
! 1271: */
! 1272: static void php_html_entities(INTERNAL_FUNCTION_PARAMETERS, int all)
! 1273: {
! 1274: char *str, *hint_charset = NULL;
! 1275: int str_len, hint_charset_len = 0;
! 1276: int len;
! 1277: long quote_style = ENT_COMPAT;
! 1278: char *replaced;
! 1279: zend_bool double_encode = 1;
! 1280:
! 1281: if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|ls!b", &str, &str_len, "e_style, &hint_charset, &hint_charset_len, &double_encode) == FAILURE) {
! 1282: return;
! 1283: }
! 1284:
! 1285: replaced = php_escape_html_entities_ex(str, str_len, &len, all, quote_style, hint_charset, double_encode TSRMLS_CC);
! 1286: RETVAL_STRINGL(replaced, len, 0);
! 1287: }
! 1288: /* }}} */
! 1289:
! 1290: #define HTML_SPECIALCHARS 0
! 1291: #define HTML_ENTITIES 1
! 1292:
! 1293: /* {{{ register_html_constants
! 1294: */
! 1295: void register_html_constants(INIT_FUNC_ARGS)
! 1296: {
! 1297: REGISTER_LONG_CONSTANT("HTML_SPECIALCHARS", HTML_SPECIALCHARS, CONST_PERSISTENT|CONST_CS);
! 1298: REGISTER_LONG_CONSTANT("HTML_ENTITIES", HTML_ENTITIES, CONST_PERSISTENT|CONST_CS);
! 1299: REGISTER_LONG_CONSTANT("ENT_COMPAT", ENT_COMPAT, CONST_PERSISTENT|CONST_CS);
! 1300: REGISTER_LONG_CONSTANT("ENT_QUOTES", ENT_QUOTES, CONST_PERSISTENT|CONST_CS);
! 1301: REGISTER_LONG_CONSTANT("ENT_NOQUOTES", ENT_NOQUOTES, CONST_PERSISTENT|CONST_CS);
! 1302: REGISTER_LONG_CONSTANT("ENT_IGNORE", ENT_IGNORE, CONST_PERSISTENT|CONST_CS);
! 1303: }
! 1304: /* }}} */
! 1305:
! 1306: /* {{{ proto string htmlspecialchars(string string [, int quote_style[, string charset[, bool double_encode]]])
! 1307: Convert special characters to HTML entities */
! 1308: PHP_FUNCTION(htmlspecialchars)
! 1309: {
! 1310: php_html_entities(INTERNAL_FUNCTION_PARAM_PASSTHRU, 0);
! 1311: }
! 1312: /* }}} */
! 1313:
! 1314: /* {{{ proto string htmlspecialchars_decode(string string [, int quote_style])
! 1315: Convert special HTML entities back to characters */
! 1316: PHP_FUNCTION(htmlspecialchars_decode)
! 1317: {
! 1318: char *str, *new_str, *e, *p;
! 1319: int len, j, i, new_len;
! 1320: long quote_style = ENT_COMPAT;
! 1321: struct basic_entities_dec basic_entities_dec[8];
! 1322:
! 1323: if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|l", &str, &len, "e_style) == FAILURE) {
! 1324: return;
! 1325: }
! 1326:
! 1327: new_str = estrndup(str, len);
! 1328: new_len = len;
! 1329: e = new_str + new_len;
! 1330:
! 1331: if (!(p = memchr(new_str, '&', new_len))) {
! 1332: RETURN_STRINGL(new_str, new_len, 0);
! 1333: }
! 1334:
! 1335: for (j = 0, i = 0; basic_entities[i].charcode != 0; i++) {
! 1336: if (basic_entities[i].flags && !(quote_style & basic_entities[i].flags)) {
! 1337: continue;
! 1338: }
! 1339: basic_entities_dec[j].charcode = basic_entities[i].charcode;
! 1340: memcpy(basic_entities_dec[j].entity, basic_entities[i].entity, basic_entities[i].entitylen + 1);
! 1341: basic_entities_dec[j].entitylen = basic_entities[i].entitylen;
! 1342: j++;
! 1343: }
! 1344: basic_entities_dec[j].charcode = '&';
! 1345: basic_entities_dec[j].entitylen = sizeof("&") - 1;
! 1346: memcpy(basic_entities_dec[j].entity, "&", sizeof("&"));
! 1347: i = j + 1;
! 1348:
! 1349: do {
! 1350: int l = e - p;
! 1351:
! 1352: for (j = 0; j < i; j++) {
! 1353: if (basic_entities_dec[j].entitylen > l) {
! 1354: continue;
! 1355: }
! 1356: if (!memcmp(p, basic_entities_dec[j].entity, basic_entities_dec[j].entitylen)) {
! 1357: int e_len = basic_entities_dec[j].entitylen - 1;
! 1358:
! 1359: *p++ = basic_entities_dec[j].charcode;
! 1360: memmove(p, p + e_len, (e - p - e_len));
! 1361: e -= e_len;
! 1362: goto done;
! 1363: }
! 1364: }
! 1365: p++;
! 1366:
! 1367: done:
! 1368: if (p >= e) {
! 1369: break;
! 1370: }
! 1371: } while ((p = memchr(p, '&', (e - p))));
! 1372:
! 1373: new_len = e - new_str;
! 1374:
! 1375: new_str[new_len] = '\0';
! 1376: RETURN_STRINGL(new_str, new_len, 0);
! 1377: }
! 1378: /* }}} */
! 1379:
! 1380: /* {{{ proto string html_entity_decode(string string [, int quote_style][, string charset])
! 1381: Convert all HTML entities to their applicable characters */
! 1382: PHP_FUNCTION(html_entity_decode)
! 1383: {
! 1384: char *str, *hint_charset = NULL;
! 1385: int str_len, hint_charset_len = 0, len;
! 1386: long quote_style = ENT_COMPAT;
! 1387: char *replaced;
! 1388:
! 1389: if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|ls", &str, &str_len,
! 1390: "e_style, &hint_charset, &hint_charset_len) == FAILURE) {
! 1391: return;
! 1392: }
! 1393:
! 1394: replaced = php_unescape_html_entities(str, str_len, &len, 1, quote_style, hint_charset TSRMLS_CC);
! 1395: if (replaced) {
! 1396: RETURN_STRINGL(replaced, len, 0);
! 1397: }
! 1398: RETURN_FALSE;
! 1399: }
! 1400: /* }}} */
! 1401:
! 1402:
! 1403: /* {{{ proto string htmlentities(string string [, int quote_style[, string charset[, bool double_encode]]])
! 1404: Convert all applicable characters to HTML entities */
! 1405: PHP_FUNCTION(htmlentities)
! 1406: {
! 1407: php_html_entities(INTERNAL_FUNCTION_PARAM_PASSTHRU, 1);
! 1408: }
! 1409: /* }}} */
! 1410:
! 1411: /* {{{ proto array get_html_translation_table([int table [, int quote_style [, string charset_hint]]])
! 1412: Returns the internal translation table used by htmlspecialchars and htmlentities */
! 1413: PHP_FUNCTION(get_html_translation_table)
! 1414: {
! 1415: long which = HTML_SPECIALCHARS, quote_style = ENT_COMPAT;
! 1416: unsigned int i;
! 1417: int j;
! 1418: unsigned char ind[5]; /* max # of 8-bit code units (4; for UTF-8) + 1 for \0 */
! 1419: void *dummy;
! 1420: char *charset_hint = NULL;
! 1421: int charset_hint_len;
! 1422: enum entity_charset charset;
! 1423:
! 1424: if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|lls",
! 1425: &which, "e_style, &charset_hint, &charset_hint_len) == FAILURE) {
! 1426: return;
! 1427: }
! 1428:
! 1429: charset = determine_charset(charset_hint TSRMLS_CC);
! 1430:
! 1431: array_init(return_value);
! 1432:
! 1433: switch (which) {
! 1434: case HTML_ENTITIES:
! 1435: for (j = 0; entity_map[j].charset != cs_terminator; j++) {
! 1436: if (entity_map[j].charset != charset)
! 1437: continue;
! 1438: for (i = 0; i <= entity_map[j].endchar - entity_map[j].basechar; i++) {
! 1439: char buffer[16];
! 1440: unsigned k;
! 1441: size_t written;
! 1442:
! 1443: if (entity_map[j].table[i] == NULL)
! 1444: continue;
! 1445:
! 1446: k = i + entity_map[j].basechar;
! 1447:
! 1448: switch (charset) {
! 1449: case cs_utf_8:
! 1450: written = php_utf32_utf8(ind, k);
! 1451: ind[written] = '\0';
! 1452: break;
! 1453: case cs_big5:
! 1454: case cs_gb2312:
! 1455: case cs_big5hkscs:
! 1456: case cs_sjis:
! 1457: /* we have no mappings for these, but if we had... */
! 1458: /* break through */
! 1459: default: /* one byte */
! 1460: written = 1;
! 1461: ind[0] = (unsigned char)k;
! 1462: ind[1] = '\0';
! 1463: break;
! 1464: }
! 1465:
! 1466: snprintf(buffer, sizeof(buffer), "&%s;", entity_map[j].table[i]);
! 1467: if (zend_hash_find(Z_ARRVAL_P(return_value), (const char*)ind, written+1, &dummy) == FAILURE) {
! 1468: /* in case of the single quote, which is repeated, the first one wins,
! 1469: * so don't replace the existint mapping */
! 1470: add_assoc_string(return_value, (const char*)ind, buffer, 1);
! 1471: }
! 1472: }
! 1473: }
! 1474: /* break thru */
! 1475:
! 1476: case HTML_SPECIALCHARS:
! 1477: add_assoc_stringl(return_value, "&", "&", sizeof("&") - 1, 1);
! 1478: for (j = 0; basic_entities[j].charcode != 0; j++) {
! 1479: if (basic_entities[j].flags && (quote_style & basic_entities[j].flags) == 0)
! 1480: continue;
! 1481:
! 1482: ind[0] = (unsigned char)basic_entities[j].charcode;
! 1483: ind[1] = '\0';
! 1484: if (zend_hash_find(Z_ARRVAL_P(return_value), (const char*)ind, 2, &dummy) == FAILURE) {
! 1485: add_assoc_stringl(return_value, ind, basic_entities[j].entity,
! 1486: basic_entities[j].entitylen, 1);
! 1487: }
! 1488: }
! 1489:
! 1490: break;
! 1491: }
! 1492: }
! 1493: /* }}} */
! 1494:
! 1495: /*
! 1496: * Local variables:
! 1497: * tab-width: 4
! 1498: * c-basic-offset: 4
! 1499: * End:
! 1500: * vim600: sw=4 ts=4 fdm=marker
! 1501: * vim<600: sw=4 ts=4
! 1502: */
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