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version 1.1, 2012/02/21 23:48:02
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version 1.1.1.5, 2014/06/15 20:03:57
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| +----------------------------------------------------------------------+ |
+----------------------------------------------------------------------+ |
| | PHP Version 5 | |
| PHP Version 5 | |
| +----------------------------------------------------------------------+ |
+----------------------------------------------------------------------+ |
| | Copyright (c) 1997-2012 The PHP Group | | | Copyright (c) 1997-2014 The PHP Group | |
| +----------------------------------------------------------------------+ |
+----------------------------------------------------------------------+ |
| | This source file is subject to version 3.01 of the PHP license, | |
| This source file is subject to version 3.01 of the PHP license, | |
| | that is bundled with this package in the file LICENSE, and is | |
| that is bundled with this package in the file LICENSE, and is | |
|
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| | license@php.net so we can mail you a copy immediately. | |
| license@php.net so we can mail you a copy immediately. | |
| +----------------------------------------------------------------------+ |
+----------------------------------------------------------------------+ |
| | Authors: Rasmus Lerdorf <rasmus@php.net> | |
| Authors: Rasmus Lerdorf <rasmus@php.net> | |
| | Jaakko Hyvätti <jaakko.hyvatti@iki.fi> | | | Jaakko Hyvätti <jaakko.hyvatti@iki.fi> | |
| | Wez Furlong <wez@thebrainroom.com> | | | Wez Furlong <wez@thebrainroom.com> | |
| | | Gustavo Lopes <cataphract@php.net> | |
| +----------------------------------------------------------------------+ |
+----------------------------------------------------------------------+ |
| */ |
*/ |
| |
|
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| /* |
/* |
| * HTML entity resources: |
* HTML entity resources: |
| * |
* |
| * http://msdn.microsoft.com/workshop/author/dhtml/reference/charsets/charset2.asp |
|
| * http://msdn.microsoft.com/workshop/author/dhtml/reference/charsets/charset3.asp |
|
| * http://www.unicode.org/Public/MAPPINGS/OBSOLETE/UNI2SGML.TXT |
* http://www.unicode.org/Public/MAPPINGS/OBSOLETE/UNI2SGML.TXT |
| * |
* |
| |
* XHTML 1.0 DTD |
| * http://www.w3.org/TR/2002/REC-xhtml1-20020801/dtds.html#h-A2 |
* http://www.w3.org/TR/2002/REC-xhtml1-20020801/dtds.html#h-A2 |
| * | * |
| | * From HTML 4.01 strict DTD: |
| | * http://www.w3.org/TR/html4/HTMLlat1.ent |
| | * http://www.w3.org/TR/html4/HTMLsymbol.ent |
| | * http://www.w3.org/TR/html4/HTMLspecial.ent |
| | * |
| | * HTML 5: |
| | * http://dev.w3.org/html5/spec/Overview.html#named-character-references |
| */ |
*/ |
| |
|
| #include "php.h" |
#include "php.h" |
|
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| #else |
#else |
| #include <php_config.h> |
#include <php_config.h> |
| #endif |
#endif |
| #include "html.h" | #include "php_standard.h" |
| #include "php_string.h" |
#include "php_string.h" |
| #include "SAPI.h" |
#include "SAPI.h" |
| #if HAVE_LOCALE_H |
#if HAVE_LOCALE_H |
|
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| #include <langinfo.h> |
#include <langinfo.h> |
| #endif |
#endif |
| |
|
| #if HAVE_MBSTRING | #include <zend_hash.h> |
| # include "ext/mbstring/mbstring.h" | #include "html_tables.h" |
| ZEND_EXTERN_MODULE_GLOBALS(mbstring) | |
| #endif | |
| |
|
| enum entity_charset { cs_terminator, cs_8859_1, cs_cp1252, | /* Macro for disabling flag of translation of non-basic entities where this isn't supported. |
| cs_8859_15, cs_utf_8, cs_big5, cs_gb2312, | * Not appropriate for html_entity_decode/htmlspecialchars_decode */ |
| cs_big5hkscs, cs_sjis, cs_eucjp, cs_koi8r, | #define LIMIT_ALL(all, doctype, charset) do { \ |
| cs_cp1251, cs_8859_5, cs_cp866, cs_macroman | (all) = (all) && !CHARSET_PARTIAL_SUPPORT((charset)) && ((doctype) != ENT_HTML_DOC_XML1); \ |
| }; | } while (0) |
| typedef const char *const entity_table_t; | |
| |
|
| /* codepage 1252 is a Windows extension to iso-8859-1. */ | #define MB_FAILURE(pos, advance) do { \ |
| static entity_table_t ent_cp_1252[] = { | *cursor = pos + (advance); \ |
| "euro", NULL, "sbquo", "fnof", "bdquo", "hellip", "dagger", | *status = FAILURE; \ |
| "Dagger", "circ", "permil", "Scaron", "lsaquo", "OElig", | return 0; \ |
| NULL, NULL, NULL, NULL, "lsquo", "rsquo", "ldquo", "rdquo", | } while (0) |
| "bull", "ndash", "mdash", "tilde", "trade", "scaron", "rsaquo", | |
| "oelig", NULL, NULL, "Yuml" | |
| }; | |
| |
|
| static entity_table_t ent_iso_8859_1[] = { | #define CHECK_LEN(pos, chars_need) ((str_len - (pos)) >= (chars_need)) |
| "nbsp", "iexcl", "cent", "pound", "curren", "yen", "brvbar", | |
| "sect", "uml", "copy", "ordf", "laquo", "not", "shy", "reg", | |
| "macr", "deg", "plusmn", "sup2", "sup3", "acute", "micro", | |
| "para", "middot", "cedil", "sup1", "ordm", "raquo", "frac14", | |
| "frac12", "frac34", "iquest", "Agrave", "Aacute", "Acirc", | |
| "Atilde", "Auml", "Aring", "AElig", "Ccedil", "Egrave", | |
| "Eacute", "Ecirc", "Euml", "Igrave", "Iacute", "Icirc", | |
| "Iuml", "ETH", "Ntilde", "Ograve", "Oacute", "Ocirc", "Otilde", | |
| "Ouml", "times", "Oslash", "Ugrave", "Uacute", "Ucirc", "Uuml", | |
| "Yacute", "THORN", "szlig", "agrave", "aacute", "acirc", | |
| "atilde", "auml", "aring", "aelig", "ccedil", "egrave", | |
| "eacute", "ecirc", "euml", "igrave", "iacute", "icirc", | |
| "iuml", "eth", "ntilde", "ograve", "oacute", "ocirc", "otilde", | |
| "ouml", "divide", "oslash", "ugrave", "uacute", "ucirc", | |
| "uuml", "yacute", "thorn", "yuml" | |
| }; | |
| |
|
| static entity_table_t ent_iso_8859_15[] = { | /* valid as single byte character or leading byte */ |
| "nbsp", "iexcl", "cent", "pound", "euro", "yen", "Scaron", | #define utf8_lead(c) ((c) < 0x80 || ((c) >= 0xC2 && (c) <= 0xF4)) |
| "sect", "scaron", "copy", "ordf", "laquo", "not", "shy", "reg", | /* whether it's actually valid depends on other stuff; |
| "macr", "deg", "plusmn", "sup2", "sup3", NULL, /* Zcaron */ | * this macro cannot check for non-shortest forms, surrogates or |
| "micro", "para", "middot", NULL, /* zcaron */ "sup1", "ordm", | * code points above 0x10FFFF */ |
| "raquo", "OElig", "oelig", "Yuml", "iquest", "Agrave", "Aacute", | #define utf8_trail(c) ((c) >= 0x80 && (c) <= 0xBF) |
| "Acirc", "Atilde", "Auml", "Aring", "AElig", "Ccedil", "Egrave", | |
| "Eacute", "Ecirc", "Euml", "Igrave", "Iacute", "Icirc", | |
| "Iuml", "ETH", "Ntilde", "Ograve", "Oacute", "Ocirc", "Otilde", | |
| "Ouml", "times", "Oslash", "Ugrave", "Uacute", "Ucirc", "Uuml", | |
| "Yacute", "THORN", "szlig", "agrave", "aacute", "acirc", | |
| "atilde", "auml", "aring", "aelig", "ccedil", "egrave", | |
| "eacute", "ecirc", "euml", "igrave", "iacute", "icirc", | |
| "iuml", "eth", "ntilde", "ograve", "oacute", "ocirc", "otilde", | |
| "ouml", "divide", "oslash", "ugrave", "uacute", "ucirc", | |
| "uuml", "yacute", "thorn", "yuml" | |
| }; | |
| |
|
| static entity_table_t ent_uni_338_402[] = { | #define gb2312_lead(c) ((c) != 0x8E && (c) != 0x8F && (c) != 0xA0 && (c) != 0xFF) |
| /* 338 (0x0152) */ | #define gb2312_trail(c) ((c) >= 0xA1 && (c) <= 0xFE) |
| "OElig", "oelig", NULL, NULL, NULL, NULL, | |
| NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
| /* 352 (0x0160) */ | |
| "Scaron", "scaron", NULL, NULL, NULL, NULL, NULL, NULL, | |
| NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
| NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
| /* 376 (0x0178) */ | |
| "Yuml", NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
| NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
| NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
| /* 400 (0x0190) */ | |
| NULL, NULL, "fnof" | |
| }; | |
| |
|
| static entity_table_t ent_uni_spacing[] = { | #define sjis_lead(c) ((c) != 0x80 && (c) != 0xA0 && (c) < 0xFD) |
| /* 710 */ | #define sjis_trail(c) ((c) >= 0x40 && (c) != 0x7F && (c) < 0xFD) |
| "circ", | |
| /* 711 - 730 */ | |
| NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
| NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
| /* 731 - 732 */ | |
| NULL, "tilde" | |
| }; | |
| |
|
| static entity_table_t ent_uni_greek[] = { | /* {{{ get_next_char |
| /* 913 */ | */ |
| "Alpha", "Beta", "Gamma", "Delta", "Epsilon", "Zeta", "Eta", "Theta", | static inline unsigned int get_next_char( |
| "Iota", "Kappa", "Lambda", "Mu", "Nu", "Xi", "Omicron", "Pi", "Rho", | enum entity_charset charset, |
| NULL, "Sigma", "Tau", "Upsilon", "Phi", "Chi", "Psi", "Omega", | const unsigned char *str, |
| /* 938 - 944 are not mapped */ | size_t str_len, |
| NULL, NULL, NULL, NULL, NULL, NULL, NULL, | size_t *cursor, |
| "alpha", "beta", "gamma", "delta", "epsilon", "zeta", "eta", "theta", | int *status) |
| "iota", "kappa", "lambda", "mu", "nu", "xi", "omicron", "pi", "rho", | { |
| "sigmaf", "sigma", "tau", "upsilon", "phi", "chi", "psi", "omega", | size_t pos = *cursor; |
| /* 970 - 976 are not mapped */ | unsigned int this_char = 0; |
| NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
| "thetasym", "upsih", | |
| NULL, NULL, NULL, | |
| "piv" | |
| }; | |
| |
|
| static entity_table_t ent_uni_punct[] = { | *status = SUCCESS; |
| /* 8194 */ | assert(pos <= str_len); |
| "ensp", "emsp", NULL, NULL, NULL, NULL, NULL, | |
| "thinsp", NULL, NULL, "zwnj", "zwj", "lrm", "rlm", | |
| NULL, NULL, NULL, "ndash", "mdash", NULL, NULL, NULL, | |
| /* 8216 */ | |
| "lsquo", "rsquo", "sbquo", NULL, "ldquo", "rdquo", "bdquo", NULL, | |
| "dagger", "Dagger", "bull", NULL, NULL, NULL, "hellip", | |
| NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, "permil", NULL, | |
| /* 8242 */ | |
| "prime", "Prime", NULL, NULL, NULL, NULL, NULL, "lsaquo", "rsaquo", NULL, | |
| NULL, NULL, "oline", NULL, NULL, NULL, NULL, NULL, | |
| "frasl" | |
| }; | |
| |
|
| static entity_table_t ent_uni_euro[] = { | if (!CHECK_LEN(pos, 1)) |
| "euro" | MB_FAILURE(pos, 1); |
| }; | |
| |
|
| static entity_table_t ent_uni_8465_8501[] = { | switch (charset) { |
| /* 8465 */ | case cs_utf_8: |
| "image", NULL, NULL, NULL, NULL, NULL, NULL, | { |
| /* 8472 */ | /* We'll follow strategy 2. from section 3.6.1 of UTR #36: |
| "weierp", NULL, NULL, NULL, | * "In a reported illegal byte sequence, do not include any |
| /* 8476 */ | * non-initial byte that encodes a valid character or is a leading |
| "real", NULL, NULL, NULL, NULL, NULL, | * byte for a valid sequence." */ |
| /* 8482 */ | unsigned char c; |
| "trade", NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | c = str[pos]; |
| NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | if (c < 0x80) { |
| /* 8501 */ | this_char = c; |
| "alefsym", | pos++; |
| }; | } else if (c < 0xc2) { |
| | MB_FAILURE(pos, 1); |
| | } else if (c < 0xe0) { |
| | if (!CHECK_LEN(pos, 2)) |
| | MB_FAILURE(pos, 1); |
| |
|
| static entity_table_t ent_uni_8592_9002[] = { | if (!utf8_trail(str[pos + 1])) { |
| /* 8592 (0x2190) */ | MB_FAILURE(pos, utf8_lead(str[pos + 1]) ? 1 : 2); |
| "larr", "uarr", "rarr", "darr", "harr", NULL, NULL, NULL, | } |
| NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | this_char = ((c & 0x1f) << 6) | (str[pos + 1] & 0x3f); |
| /* 8608 (0x21a0) */ | if (this_char < 0x80) { /* non-shortest form */ |
| NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | MB_FAILURE(pos, 2); |
| NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | } |
| /* 8624 (0x21b0) */ | pos += 2; |
| NULL, NULL, NULL, NULL, NULL, "crarr", NULL, NULL, | } else if (c < 0xf0) { |
| NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | size_t avail = str_len - pos; |
| /* 8640 (0x21c0) */ | |
| NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
| NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
| /* 8656 (0x21d0) */ | |
| "lArr", "uArr", "rArr", "dArr", "hArr", NULL, NULL, NULL, | |
| NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
| /* 8672 (0x21e0) */ | |
| NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
| NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
| NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
| NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
| /* 8704 (0x2200) */ | |
| "forall", NULL, "part", "exist", NULL, "empty", NULL, "nabla", | |
| "isin", "notin", NULL, "ni", NULL, NULL, NULL, "prod", | |
| /* 8720 (0x2210) */ | |
| NULL, "sum", "minus", NULL, NULL, NULL, NULL, "lowast", | |
| NULL, NULL, "radic", NULL, NULL, "prop", "infin", NULL, | |
| /* 8736 (0x2220) */ | |
| "ang", NULL, NULL, NULL, NULL, NULL, NULL, "and", | |
| "or", "cap", "cup", "int", NULL, NULL, NULL, NULL, | |
| /* 8752 (0x2230) */ | |
| NULL, NULL, NULL, NULL, "there4", NULL, NULL, NULL, | |
| NULL, NULL, NULL, NULL, "sim", NULL, NULL, NULL, | |
| /* 8768 (0x2240) */ | |
| NULL, NULL, NULL, NULL, NULL, "cong", NULL, NULL, | |
| "asymp", NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
| /* 8784 (0x2250) */ | |
| NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
| NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
| /* 8800 (0x2260) */ | |
| "ne", "equiv", NULL, NULL, "le", "ge", NULL, NULL, | |
| NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
| /* 8816 (0x2270) */ | |
| NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
| NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
| /* 8832 (0x2280) */ | |
| NULL, NULL, "sub", "sup", "nsub", NULL, "sube", "supe", | |
| NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
| /* 8848 (0x2290) */ | |
| NULL, NULL, NULL, NULL, NULL, "oplus", NULL, "otimes", | |
| NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
| /* 8864 (0x22a0) */ | |
| NULL, NULL, NULL, NULL, NULL, "perp", NULL, NULL, | |
| NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
| /* 8880 (0x22b0) */ | |
| NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
| NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
| /* 8896 (0x22c0) */ | |
| NULL, NULL, NULL, NULL, NULL, "sdot", NULL, NULL, | |
| NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
| /* 8912 (0x22d0) */ | |
| NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
| NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
| /* 8928 (0x22e0) */ | |
| NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
| NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
| /* 8944 (0x22f0) */ | |
| NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
| NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
| /* 8960 (0x2300) */ | |
| NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
| "lceil", "rceil", "lfloor", "rfloor", NULL, NULL, NULL, NULL, | |
| /* 8976 (0x2310) */ | |
| NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
| NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
| /* 8992 (0x2320) */ | |
| NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
| NULL, "lang", "rang" | |
| }; | |
| |
|
| static entity_table_t ent_uni_9674[] = { | if (avail < 3 || |
| /* 9674 */ | !utf8_trail(str[pos + 1]) || !utf8_trail(str[pos + 2])) { |
| "loz" | if (avail < 2 || utf8_lead(str[pos + 1])) |
| }; | MB_FAILURE(pos, 1); |
| | else if (avail < 3 || utf8_lead(str[pos + 2])) |
| | MB_FAILURE(pos, 2); |
| | else |
| | MB_FAILURE(pos, 3); |
| | } |
| |
|
| static entity_table_t ent_uni_9824_9830[] = { | this_char = ((c & 0x0f) << 12) | ((str[pos + 1] & 0x3f) << 6) | (str[pos + 2] & 0x3f); |
| /* 9824 */ | if (this_char < 0x800) { /* non-shortest form */ |
| "spades", NULL, NULL, "clubs", NULL, "hearts", "diams" | MB_FAILURE(pos, 3); |
| }; | } else if (this_char >= 0xd800 && this_char <= 0xdfff) { /* surrogate */ |
| | MB_FAILURE(pos, 3); |
| | } |
| | pos += 3; |
| | } else if (c < 0xf5) { |
| | size_t avail = str_len - pos; |
| |
|
| static entity_table_t ent_koi8r[] = { | if (avail < 4 || |
| "#1105", /* "jo "*/ | !utf8_trail(str[pos + 1]) || !utf8_trail(str[pos + 2]) || |
| NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | !utf8_trail(str[pos + 3])) { |
| NULL, NULL, NULL, NULL, NULL, "#1025", /* "JO" */ | if (avail < 2 || utf8_lead(str[pos + 1])) |
| NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | MB_FAILURE(pos, 1); |
| "#1102", "#1072", "#1073", "#1094", "#1076", "#1077", "#1092", | else if (avail < 3 || utf8_lead(str[pos + 2])) |
| "#1075", "#1093", "#1080", "#1081", "#1082", "#1083", "#1084", | MB_FAILURE(pos, 2); |
| "#1085", "#1086", "#1087", "#1103", "#1088", "#1089", "#1090", | else if (avail < 4 || utf8_lead(str[pos + 3])) |
| "#1091", "#1078", "#1074", "#1100", "#1099", "#1079", "#1096", | MB_FAILURE(pos, 3); |
| "#1101", "#1097", "#1095", "#1098", "#1070", "#1040", "#1041", | else |
| "#1062", "#1044", "#1045", "#1060", "#1043", "#1061", "#1048", | MB_FAILURE(pos, 4); |
| "#1049", "#1050", "#1051", "#1052", "#1053", "#1054", "#1055", | } |
| "#1071", "#1056", "#1057", "#1058", "#1059", "#1046", "#1042", | |
| "#1068", "#1067", "#1047", "#1064", "#1069", "#1065", "#1063", | this_char = ((c & 0x07) << 18) | ((str[pos + 1] & 0x3f) << 12) | ((str[pos + 2] & 0x3f) << 6) | (str[pos + 3] & 0x3f); |
| "#1066" | if (this_char < 0x10000 || this_char > 0x10FFFF) { /* non-shortest form or outside range */ |
| }; | MB_FAILURE(pos, 4); |
| | } |
| | pos += 4; |
| | } else { |
| | MB_FAILURE(pos, 1); |
| | } |
| | } |
| | break; |
| |
|
| static entity_table_t ent_cp_1251[] = { | case cs_big5: |
| "#1026", "#1027", "#8218", "#1107", "#8222", "hellip", "dagger", | /* reference http://demo.icu-project.org/icu-bin/convexp?conv=big5 */ |
| "Dagger", "euro", "permil", "#1033", "#8249", "#1034", "#1036", | { |
| "#1035", "#1039", "#1106", "#8216", "#8217", "#8219", "#8220", | unsigned char c = str[pos]; |
| "bull", "ndash", "mdash", NULL, "trade", "#1113", "#8250", | if (c >= 0x81 && c <= 0xFE) { |
| "#1114", "#1116", "#1115", "#1119", "nbsp", "#1038", "#1118", | unsigned char next; |
| "#1032", "curren", "#1168", "brvbar", "sect", "#1025", "copy", | if (!CHECK_LEN(pos, 2)) |
| "#1028", "laquo", "not", "shy", "reg", "#1031", "deg", "plusmn", | MB_FAILURE(pos, 1); |
| "#1030", "#1110", "#1169", "micro", "para", "middot", "#1105", | |
| "#8470", "#1108", "raquo", "#1112", "#1029", "#1109", "#1111", | |
| "#1040", "#1041", "#1042", "#1043", "#1044", "#1045", "#1046", | |
| "#1047", "#1048", "#1049", "#1050", "#1051", "#1052", "#1053", | |
| "#1054", "#1055", "#1056", "#1057", "#1058", "#1059", "#1060", | |
| "#1061", "#1062", "#1063", "#1064", "#1065", "#1066", "#1067", | |
| "#1068", "#1069", "#1070", "#1071", "#1072", "#1073", "#1074", | |
| "#1075", "#1076", "#1077", "#1078", "#1079", "#1080", "#1081", | |
| "#1082", "#1083", "#1084", "#1085", "#1086", "#1087", "#1088", | |
| "#1089", "#1090", "#1091", "#1092", "#1093", "#1094", "#1095", | |
| "#1096", "#1097", "#1098", "#1099", "#1100", "#1101", "#1102", | |
| "#1103" | |
| }; | |
| |
|
| static entity_table_t ent_iso_8859_5[] = { | next = str[pos + 1]; |
| "#1056", "#1057", "#1058", "#1059", "#1060", "#1061", "#1062", | |
| "#1063", "#1064", "#1065", "#1066", "#1067", "#1068", "#1069", | |
| "#1070", "#1071", "#1072", "#1073", "#1074", "#1075", "#1076", | |
| "#1077", "#1078", "#1079", "#1080", "#1081", "#1082", "#1083", | |
| "#1084", "#1085", "#1086", "#1087", "#1088", "#1089", "#1090", | |
| "#1091", "#1092", "#1093", "#1094", "#1095", "#1096", "#1097", | |
| "#1098", "#1099", "#1100", "#1101", "#1102", "#1103", "#1104", | |
| "#1105", "#1106", "#1107", "#1108", "#1109", "#1110", "#1111", | |
| "#1112", "#1113", "#1114", "#1115", "#1116", "#1117", "#1118", | |
| "#1119" | |
| }; | |
| |
|
| static entity_table_t ent_cp_866[] = { | if ((next >= 0x40 && next <= 0x7E) || |
| | (next >= 0xA1 && next <= 0xFE)) { |
| | this_char = (c << 8) | next; |
| | } else { |
| | MB_FAILURE(pos, 1); |
| | } |
| | pos += 2; |
| | } else { |
| | this_char = c; |
| | pos += 1; |
| | } |
| | } |
| | break; |
| |
|
| "#9492", "#9524", "#9516", "#9500", "#9472", "#9532", "#9566", | case cs_big5hkscs: |
| "#9567", "#9562", "#9556", "#9577", "#9574", "#9568", "#9552", | { |
| "#9580", "#9575", "#9576", "#9572", "#9573", "#9561", "#9560", | unsigned char c = str[pos]; |
| "#9554", "#9555", "#9579", "#9578", "#9496", "#9484", "#9608", | if (c >= 0x81 && c <= 0xFE) { |
| "#9604", "#9612", "#9616", "#9600", "#1088", "#1089", "#1090", | unsigned char next; |
| "#1091", "#1092", "#1093", "#1094", "#1095", "#1096", "#1097", | if (!CHECK_LEN(pos, 2)) |
| "#1098", "#1099", "#1100", "#1101", "#1102", "#1103", "#1025", | MB_FAILURE(pos, 1); |
| "#1105", "#1028", "#1108", "#1031", "#1111", "#1038", "#1118", | |
| "#176", "#8729", "#183", "#8730", "#8470", "#164", "#9632", | |
| "#160" | |
| }; | |
| |
|
| /* MacRoman has a couple of low-ascii chars that need mapping too */ | next = str[pos + 1]; |
| /* Vertical tab (ASCII 11) is often used to store line breaks inside */ | |
| /* DB exports, this mapping changes it to a space */ | |
| static entity_table_t ent_macroman[] = { | |
| "sp", NULL, NULL, NULL, | |
| NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
| NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
| NULL, NULL, NULL, NULL, NULL, "quot", NULL, | |
| NULL, NULL, "amp", NULL, NULL, NULL, NULL, | |
| NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
| NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
| NULL, NULL, NULL, "lt", NULL, "gt", NULL, | |
| NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
| NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
| NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
| NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
| NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
| NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
| NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
| NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
| NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
| NULL, "Auml", "Aring", "Ccedil", "Eacute", "Ntilde", "Ouml", | |
| "Uuml", "aacute", "agrave", "acirc", "auml", "atilde", "aring", | |
| "ccedil", "eacute", "egrave", "ecirc", "euml", "iacute", "igrave", | |
| "icirc", "iuml", "ntilde", "oacute", "ograve", "ocirc", "ouml", | |
| "otilde", "uacute", "ugrave", "ucirc", "uuml", "dagger", "deg", | |
| "cent", "pound", "sect", "bull", "para", "szlig", "reg", | |
| "copy", "trade", "acute", "uml", "ne", "AElig", "Oslash", | |
| "infin", "plusmn", "le", "ge", "yen", "micro", "part", | |
| "sum", "prod", "pi", "int", "ordf", "ordm", "Omega", | |
| "aelig", "oslash", "iquest", "iexcl", "not", "radic", "fnof", | |
| "asymp", "#8710", "laquo", "raquo", "hellip", "nbsp", "Agrave", | |
| "Atilde", "Otilde", "OElig", "oelig", "ndash", "mdash", "ldquo", | |
| "rdquo", "lsquo", "rsquo", "divide", "loz", "yuml", "Yuml", | |
| "frasl", "euro", "lsaquo", "rsaquo", "#xFB01", "#xFB02", "Dagger", | |
| "middot", "sbquo", "bdquo", "permil", "Acirc", "Ecirc", "Aacute", | |
| "Euml", "Egrave", "Iacute", "Icirc", "Iuml", "Igrave", "Oacute", | |
| "Ocirc", "#xF8FF", "Ograve", "Uacute", "Ucirc", "Ugrave", "#305", | |
| "circ", "tilde", "macr", "#728", "#729", "#730", "cedil", | |
| "#733", "#731", "#711" | |
| }; | |
| |
|
| struct html_entity_map { | if ((next >= 0x40 && next <= 0x7E) || |
| enum entity_charset charset; /* charset identifier */ | (next >= 0xA1 && next <= 0xFE)) { |
| unsigned int basechar; /* char code at start of table */ | this_char = (c << 8) | next; |
| unsigned int endchar; /* last char code in the table */ | } else if (next != 0x80 && next != 0xFF) { |
| entity_table_t *table; /* the table of mappings */ | MB_FAILURE(pos, 1); |
| }; | } else { |
| | MB_FAILURE(pos, 2); |
| | } |
| | pos += 2; |
| | } else { |
| | this_char = c; |
| | pos += 1; |
| | } |
| | } |
| | break; |
| |
|
| static const struct html_entity_map entity_map[] = { | case cs_gb2312: /* EUC-CN */ |
| { cs_cp1252, 0x80, 0x9f, ent_cp_1252 }, | { |
| { cs_cp1252, 0xa0, 0xff, ent_iso_8859_1 }, | unsigned char c = str[pos]; |
| { cs_8859_1, 0xa0, 0xff, ent_iso_8859_1 }, | if (c >= 0xA1 && c <= 0xFE) { |
| { cs_8859_15, 0xa0, 0xff, ent_iso_8859_15 }, | unsigned char next; |
| { cs_utf_8, 0xa0, 0xff, ent_iso_8859_1 }, | if (!CHECK_LEN(pos, 2)) |
| { cs_utf_8, 338, 402, ent_uni_338_402 }, | MB_FAILURE(pos, 1); |
| { cs_utf_8, 710, 732, ent_uni_spacing }, | |
| { cs_utf_8, 913, 982, ent_uni_greek }, | |
| { cs_utf_8, 8194, 8260, ent_uni_punct }, | |
| { cs_utf_8, 8364, 8364, ent_uni_euro }, | |
| { cs_utf_8, 8465, 8501, ent_uni_8465_8501 }, | |
| { cs_utf_8, 8592, 9002, ent_uni_8592_9002 }, | |
| { cs_utf_8, 9674, 9674, ent_uni_9674 }, | |
| { cs_utf_8, 9824, 9830, ent_uni_9824_9830 }, | |
| { cs_big5, 0xa0, 0xff, ent_iso_8859_1 }, | |
| { cs_gb2312, 0xa0, 0xff, ent_iso_8859_1 }, | |
| { cs_big5hkscs, 0xa0, 0xff, ent_iso_8859_1 }, | |
| { cs_sjis, 0xa0, 0xff, ent_iso_8859_1 }, | |
| { cs_eucjp, 0xa0, 0xff, ent_iso_8859_1 }, | |
| { cs_koi8r, 0xa3, 0xff, ent_koi8r }, | |
| { cs_cp1251, 0x80, 0xff, ent_cp_1251 }, | |
| { cs_8859_5, 0xc0, 0xff, ent_iso_8859_5 }, | |
| { cs_cp866, 0xc0, 0xff, ent_cp_866 }, | |
| { cs_macroman, 0x0b, 0xff, ent_macroman }, | |
| { cs_terminator } | |
| }; | |
| |
|
| static const struct { | next = str[pos + 1]; |
| const char *codeset; | |
| enum entity_charset charset; | |
| } charset_map[] = { | |
| { "ISO-8859-1", cs_8859_1 }, | |
| { "ISO8859-1", cs_8859_1 }, | |
| { "ISO-8859-15", cs_8859_15 }, | |
| { "ISO8859-15", cs_8859_15 }, | |
| { "utf-8", cs_utf_8 }, | |
| { "cp1252", cs_cp1252 }, | |
| { "Windows-1252", cs_cp1252 }, | |
| { "1252", cs_cp1252 }, | |
| { "BIG5", cs_big5 }, | |
| { "950", cs_big5 }, | |
| { "GB2312", cs_gb2312 }, | |
| { "936", cs_gb2312 }, | |
| { "BIG5-HKSCS", cs_big5hkscs }, | |
| { "Shift_JIS", cs_sjis }, | |
| { "SJIS", cs_sjis }, | |
| { "932", cs_sjis }, | |
| { "EUCJP", cs_eucjp }, | |
| { "EUC-JP", cs_eucjp }, | |
| { "KOI8-R", cs_koi8r }, | |
| { "koi8-ru", cs_koi8r }, | |
| { "koi8r", cs_koi8r }, | |
| { "cp1251", cs_cp1251 }, | |
| { "Windows-1251", cs_cp1251 }, | |
| { "win-1251", cs_cp1251 }, | |
| { "iso8859-5", cs_8859_5 }, | |
| { "iso-8859-5", cs_8859_5 }, | |
| { "cp866", cs_cp866 }, | |
| { "866", cs_cp866 }, | |
| { "ibm866", cs_cp866 }, | |
| { "MacRoman", cs_macroman }, | |
| { NULL } | |
| }; | |
| |
|
| static const struct { | if (gb2312_trail(next)) { |
| unsigned short charcode; | this_char = (c << 8) | next; |
| char *entity; | } else if (gb2312_lead(next)) { |
| int entitylen; | MB_FAILURE(pos, 1); |
| int flags; | } else { |
| } basic_entities[] = { | MB_FAILURE(pos, 2); |
| { '"', """, 6, ENT_HTML_QUOTE_DOUBLE }, | } |
| { '\'', "'", 6, ENT_HTML_QUOTE_SINGLE }, | pos += 2; |
| { '\'', "'", 5, ENT_HTML_QUOTE_SINGLE }, | } else if (gb2312_lead(c)) { |
| { '<', "<", 4, 0 }, | this_char = c; |
| { '>', ">", 4, 0 }, | pos += 1; |
| { 0, NULL, 0, 0 } | } else { |
| }; | MB_FAILURE(pos, 1); |
| | } |
| struct basic_entities_dec { | } |
| unsigned short charcode; | break; |
| char entity[8]; | |
| int entitylen; | |
| }; | |
| | |
| #define MB_RETURN { \ | |
| *newpos = pos; \ | |
| mbseq[mbpos] = '\0'; \ | |
| *mbseqlen = mbpos; \ | |
| return this_char; } | |
| | |
| #define MB_WRITE(mbchar) { \ | |
| mbspace--; \ | |
| if (mbspace == 0) { \ | |
| MB_RETURN; \ | |
| } \ | |
| mbseq[mbpos++] = (mbchar); } | |
| |
|
| /* skip one byte and return */ | case cs_sjis: |
| #define MB_FAILURE(pos) do { \ | { |
| *newpos = pos + 1; \ | unsigned char c = str[pos]; |
| *status = FAILURE; \ | if ((c >= 0x81 && c <= 0x9F) || (c >= 0xE0 && c <= 0xFC)) { |
| return 0; \ | unsigned char next; |
| } while (0) | if (!CHECK_LEN(pos, 2)) |
| | MB_FAILURE(pos, 1); |
| |
|
| #define CHECK_LEN(pos, chars_need) \ | next = str[pos + 1]; |
| if (chars_need < 1) { \ | |
| if((str_len - (pos)) < chars_need) { \ | |
| *newpos = pos; \ | |
| *status = FAILURE; \ | |
| return 0; \ | |
| } \ | |
| } else { \ | |
| if((str_len - (pos)) < chars_need) { \ | |
| *newpos = pos + 1; \ | |
| *status = FAILURE; \ | |
| return 0; \ | |
| } \ | |
| } | |
| |
|
| /* {{{ get_next_char | if (sjis_trail(next)) { |
| */ | this_char = (c << 8) | next; |
| inline static unsigned int get_next_char(enum entity_charset charset, | } else if (sjis_lead(next)) { |
| unsigned char * str, | MB_FAILURE(pos, 1); |
| int str_len, | } else { |
| int * newpos, | MB_FAILURE(pos, 2); |
| unsigned char * mbseq, | } |
| int * mbseqlen, | pos += 2; |
| int *status) | } else if (c < 0x80 || (c >= 0xA1 && c <= 0xDF)) { |
| { | this_char = c; |
| int pos = *newpos; | pos += 1; |
| int mbpos = 0; | } else { |
| int mbspace = *mbseqlen; | MB_FAILURE(pos, 1); |
| unsigned int this_char = 0; | } |
| unsigned char next_char; | } |
| | break; |
| |
|
| *status = SUCCESS; | case cs_eucjp: |
| | { |
| | unsigned char c = str[pos]; |
| |
|
| if (mbspace <= 0) { | if (c >= 0xA1 && c <= 0xFE) { |
| *mbseqlen = 0; | unsigned next; |
| CHECK_LEN(pos, 1); | if (!CHECK_LEN(pos, 2)) |
| *newpos = pos + 1; | MB_FAILURE(pos, 1); |
| return str[pos]; | next = str[pos + 1]; |
| } | |
| |
|
| switch (charset) { | if (next >= 0xA1 && next <= 0xFE) { |
| case cs_utf_8: | /* this a jis kanji char */ |
| { | this_char = (c << 8) | next; |
| unsigned char c; | |
| CHECK_LEN(pos, 1); | |
| c = str[pos]; | |
| if (c < 0x80) { | |
| MB_WRITE(c); | |
| this_char = c; | |
| pos++; | |
| } else if (c < 0xc2) { | |
| MB_FAILURE(pos); | |
| } else if (c < 0xe0) { | |
| CHECK_LEN(pos, 2); | |
| if (str[pos + 1] < 0x80 || str[pos + 1] > 0xbf) { | |
| MB_FAILURE(pos); | |
| } | |
| this_char = ((c & 0x1f) << 6) | (str[pos + 1] & 0x3f); | |
| if (this_char < 0x80) { | |
| MB_FAILURE(pos); | |
| } | |
| MB_WRITE((unsigned char)c); | |
| MB_WRITE((unsigned char)str[pos + 1]); | |
| pos += 2; | |
| } else if (c < 0xf0) { | |
| CHECK_LEN(pos, 3); | |
| if (str[pos + 1] < 0x80 || str[pos + 1] > 0xbf) { | |
| MB_FAILURE(pos); | |
| } | |
| if (str[pos + 2] < 0x80 || str[pos + 2] > 0xbf) { | |
| MB_FAILURE(pos); | |
| } | |
| this_char = ((c & 0x0f) << 12) | ((str[pos + 1] & 0x3f) << 6) | (str[pos + 2] & 0x3f); | |
| if (this_char < 0x800) { | |
| MB_FAILURE(pos); | |
| } else if (this_char >= 0xd800 && this_char <= 0xdfff) { | |
| MB_FAILURE(pos); | |
| } | |
| MB_WRITE((unsigned char)c); | |
| MB_WRITE((unsigned char)str[pos + 1]); | |
| MB_WRITE((unsigned char)str[pos + 2]); | |
| pos += 3; | |
| } else if (c < 0xf5) { | |
| CHECK_LEN(pos, 4); | |
| if (str[pos + 1] < 0x80 || str[pos + 1] > 0xbf) { | |
| MB_FAILURE(pos); | |
| } | |
| if (str[pos + 2] < 0x80 || str[pos + 2] > 0xbf) { | |
| MB_FAILURE(pos); | |
| } | |
| if (str[pos + 3] < 0x80 || str[pos + 3] > 0xbf) { | |
| MB_FAILURE(pos); | |
| } | |
| this_char = ((c & 0x07) << 18) | ((str[pos + 1] & 0x3f) << 12) | ((str[pos + 2] & 0x3f) << 6) | (str[pos + 3] & 0x3f); | |
| if (this_char < 0x10000 || this_char > 0x10FFFF) { | |
| MB_FAILURE(pos); | |
| } | |
| MB_WRITE((unsigned char)c); | |
| MB_WRITE((unsigned char)str[pos + 1]); | |
| MB_WRITE((unsigned char)str[pos + 2]); | |
| MB_WRITE((unsigned char)str[pos + 3]); | |
| pos += 4; | |
| } else { |
} else { |
| MB_FAILURE(pos); | MB_FAILURE(pos, (next != 0xA0 && next != 0xFF) ? 1 : 2); |
| } |
} |
| } | pos += 2; |
| break; | } else if (c == 0x8E) { |
| case cs_big5: | unsigned next; |
| case cs_gb2312: | if (!CHECK_LEN(pos, 2)) |
| case cs_big5hkscs: | MB_FAILURE(pos, 1); |
| { | |
| CHECK_LEN(pos, 1); | next = str[pos + 1]; |
| this_char = str[pos++]; | if (next >= 0xA1 && next <= 0xDF) { |
| /* check if this is the first of a 2-byte sequence */ | /* JIS X 0201 kana */ |
| if (this_char >= 0x81 && this_char <= 0xfe) { | this_char = (c << 8) | next; |
| /* peek at the next char */ | |
| CHECK_LEN(pos, 1); | |
| next_char = str[pos++]; | |
| if ((next_char >= 0x40 && next_char <= 0x7e) || | |
| (next_char >= 0xa1 && next_char <= 0xfe)) { | |
| /* yes, this a wide char */ | |
| MB_WRITE(this_char); | |
| MB_WRITE(next_char); | |
| this_char = (this_char << 8) | next_char; | |
| } else { | |
| MB_FAILURE(pos); | |
| } | |
| } else { |
} else { |
| MB_WRITE(this_char); | MB_FAILURE(pos, (next != 0xA0 && next != 0xFF) ? 1 : 2); |
| } |
} |
| } | pos += 2; |
| break; | } else if (c == 0x8F) { |
| case cs_sjis: | size_t avail = str_len - pos; |
| { | |
| CHECK_LEN(pos, 1); | if (avail < 3 || !(str[pos + 1] >= 0xA1 && str[pos + 1] <= 0xFE) || |
| this_char = str[pos++]; | !(str[pos + 2] >= 0xA1 && str[pos + 2] <= 0xFE)) { |
| /* check if this is the first of a 2-byte sequence */ | if (avail < 2 || (str[pos + 1] != 0xA0 && str[pos + 1] != 0xFF)) |
| if ((this_char >= 0x81 && this_char <= 0x9f) || | MB_FAILURE(pos, 1); |
| (this_char >= 0xe0 && this_char <= 0xfc)) { | else if (avail < 3 || (str[pos + 2] != 0xA0 && str[pos + 2] != 0xFF)) |
| /* peek at the next char */ | MB_FAILURE(pos, 2); |
| CHECK_LEN(pos, 1); | else |
| next_char = str[pos++]; | MB_FAILURE(pos, 3); |
| if ((next_char >= 0x40 && next_char <= 0x7e) || | |
| (next_char >= 0x80 && next_char <= 0xfc)) | |
| { | |
| /* yes, this a wide char */ | |
| MB_WRITE(this_char); | |
| MB_WRITE(next_char); | |
| this_char = (this_char << 8) | next_char; | |
| } else { | |
| MB_FAILURE(pos); | |
| } | |
| } else { |
} else { |
| MB_WRITE(this_char); | /* JIS X 0212 hojo-kanji */ |
| | this_char = (c << 16) | (str[pos + 1] << 8) | str[pos + 2]; |
| } |
} |
| break; | pos += 3; |
| | } else if (c != 0xA0 && c != 0xFF) { |
| | /* character encoded in 1 code unit */ |
| | this_char = c; |
| | pos += 1; |
| | } else { |
| | MB_FAILURE(pos, 1); |
| } |
} |
| case cs_eucjp: | } |
| { | break; |
| CHECK_LEN(pos, 1); | default: |
| this_char = str[pos++]; | /* single-byte charsets */ |
| /* check if this is the first of a multi-byte sequence */ | this_char = str[pos++]; |
| if (this_char >= 0xa1 && this_char <= 0xfe) { | break; |
| /* peek at the next char */ | |
| CHECK_LEN(pos, 1); | |
| next_char = str[pos++]; | |
| if (next_char >= 0xa1 && next_char <= 0xfe) { | |
| /* yes, this a jis kanji char */ | |
| MB_WRITE(this_char); | |
| MB_WRITE(next_char); | |
| this_char = (this_char << 8) | next_char; | |
| } else { | |
| MB_FAILURE(pos); | |
| } | |
| } else if (this_char == 0x8e) { | |
| /* peek at the next char */ | |
| CHECK_LEN(pos, 1); | |
| next_char = str[pos++]; | |
| if (next_char >= 0xa1 && next_char <= 0xdf) { | |
| /* JIS X 0201 kana */ | |
| MB_WRITE(this_char); | |
| MB_WRITE(next_char); | |
| this_char = (this_char << 8) | next_char; | |
| } else { | |
| MB_FAILURE(pos); | |
| } | |
| } else if (this_char == 0x8f) { | |
| /* peek at the next two char */ | |
| unsigned char next2_char; | |
| CHECK_LEN(pos, 2); | |
| next_char = str[pos]; | |
| next2_char = str[pos + 1]; | |
| pos += 2; | |
| if ((next_char >= 0xa1 && next_char <= 0xfe) && | |
| (next2_char >= 0xa1 && next2_char <= 0xfe)) { | |
| /* JIS X 0212 hojo-kanji */ | |
| MB_WRITE(this_char); | |
| MB_WRITE(next_char); | |
| MB_WRITE(next2_char); | |
| this_char = (this_char << 16) | (next_char << 8) | next2_char; | |
| } else { | |
| MB_FAILURE(pos); | |
| } | |
| } else { | |
| MB_WRITE(this_char); | |
| } | |
| break; | |
| } | |
| default: | |
| /* single-byte charsets */ | |
| CHECK_LEN(pos, 1); | |
| this_char = str[pos++]; | |
| MB_WRITE(this_char); | |
| break; | |
| } |
} |
| MB_RETURN; | |
| | *cursor = pos; |
| | return this_char; |
| } |
} |
| /* }}} */ |
/* }}} */ |
| |
|
| |
/* {{{ php_next_utf8_char |
| |
* Public interface for get_next_char used with UTF-8 */ |
| |
PHPAPI unsigned int php_next_utf8_char( |
| |
const unsigned char *str, |
| |
size_t str_len, |
| |
size_t *cursor, |
| |
int *status) |
| |
{ |
| |
return get_next_char(cs_utf_8, str, str_len, cursor, status); |
| |
} |
| |
/* }}} */ |
| |
|
| /* {{{ entity_charset determine_charset |
/* {{{ entity_charset determine_charset |
| * returns the charset identifier based on current locale or a hint. |
* returns the charset identifier based on current locale or a hint. |
| * defaults to iso-8859-1 */ | * defaults to UTF-8 */ |
| static enum entity_charset determine_charset(char *charset_hint TSRMLS_DC) |
static enum entity_charset determine_charset(char *charset_hint TSRMLS_DC) |
| { |
{ |
| int i; |
int i; |
| enum entity_charset charset = cs_8859_1; | enum entity_charset charset = cs_utf_8; |
| int len = 0; |
int len = 0; |
| zval *uf_result = NULL; | const zend_encoding *zenc; |
| |
|
| /* Guarantee default behaviour for backwards compatibility */ | /* Default is now UTF-8 */ |
| if (charset_hint == NULL) |
if (charset_hint == NULL) |
| return cs_8859_1; | return cs_utf_8; |
| |
|
| if ((len = strlen(charset_hint)) != 0) { |
if ((len = strlen(charset_hint)) != 0) { |
| goto det_charset; |
goto det_charset; |
| } |
} |
| #if HAVE_MBSTRING |
|
| #if !defined(COMPILE_DL_MBSTRING) |
|
| /* XXX: Ugly things. Why don't we look for a more sophisticated way? */ |
|
| switch (MBSTRG(current_internal_encoding)) { |
|
| case mbfl_no_encoding_8859_1: |
|
| return cs_8859_1; |
|
| |
|
| case mbfl_no_encoding_utf8: | zenc = zend_multibyte_get_internal_encoding(TSRMLS_C); |
| return cs_utf_8; | if (zenc != NULL) { |
| charset_hint = (char *)zend_multibyte_get_encoding_name(zenc); |
| case mbfl_no_encoding_euc_jp: | if (charset_hint != NULL && (len=strlen(charset_hint)) != 0) { |
| case mbfl_no_encoding_eucjp_win: | if ((len == 4) /* sizeof (none|auto|pass) */ && |
| return cs_eucjp; | (!memcmp("pass", charset_hint, 4) || |
| !memcmp("auto", charset_hint, 4) || |
| case mbfl_no_encoding_sjis: | !memcmp("auto", charset_hint, 4))) { |
| case mbfl_no_encoding_sjis_open: | charset_hint = NULL; |
| case mbfl_no_encoding_cp932: | len = 0; |
| return cs_sjis; | } else { |
| goto det_charset; |
| case mbfl_no_encoding_cp1252: | |
| return cs_cp1252; | |
| |
| case mbfl_no_encoding_8859_15: | |
| return cs_8859_15; | |
| |
| case mbfl_no_encoding_big5: | |
| return cs_big5; | |
| |
| case mbfl_no_encoding_euc_cn: | |
| case mbfl_no_encoding_hz: | |
| case mbfl_no_encoding_cp936: | |
| return cs_gb2312; | |
| |
| case mbfl_no_encoding_koi8r: | |
| return cs_koi8r; | |
| |
| case mbfl_no_encoding_cp866: | |
| return cs_cp866; | |
| |
| case mbfl_no_encoding_cp1251: | |
| return cs_cp1251; | |
| |
| case mbfl_no_encoding_8859_5: | |
| return cs_8859_5; | |
| |
| default: | |
| ; | |
| } | |
| #else | |
| { | |
| zval nm_mb_internal_encoding; | |
| |
| ZVAL_STRING(&nm_mb_internal_encoding, "mb_internal_encoding", 0); | |
| |
| if (call_user_function_ex(CG(function_table), NULL, &nm_mb_internal_encoding, &uf_result, 0, NULL, 1, NULL TSRMLS_CC) != FAILURE) { | |
| |
| charset_hint = Z_STRVAL_P(uf_result); | |
| len = Z_STRLEN_P(uf_result); | |
| | |
| if (len == 4) { /* sizeof(none|auto|pass)-1 */ | |
| if (!memcmp("pass", charset_hint, sizeof("pass") - 1) || | |
| !memcmp("auto", charset_hint, sizeof("auto") - 1) || | |
| !memcmp("none", charset_hint, sizeof("none") - 1)) { | |
| | |
| charset_hint = NULL; | |
| len = 0; | |
| } | |
| } |
} |
| goto det_charset; |
|
| } |
} |
| } |
} |
| #endif |
|
| #endif |
|
| |
|
| charset_hint = SG(default_charset); |
charset_hint = SG(default_charset); |
| if (charset_hint != NULL && (len=strlen(charset_hint)) != 0) { |
if (charset_hint != NULL && (len=strlen(charset_hint)) != 0) { |
|
Line 855 det_charset:
|
Line 447 det_charset:
|
| } |
} |
| } |
} |
| if (!found) { |
if (!found) { |
| php_error_docref(NULL TSRMLS_CC, E_WARNING, "charset `%s' not supported, assuming iso-8859-1", | php_error_docref(NULL TSRMLS_CC, E_WARNING, "charset `%s' not supported, assuming utf-8", |
| charset_hint); |
charset_hint); |
| } |
} |
| } |
} |
| if (uf_result != NULL) { |
|
| zval_ptr_dtor(&uf_result); |
|
| } |
|
| return charset; |
return charset; |
| } |
} |
| /* }}} */ |
/* }}} */ |
| |
|
| /* {{{ php_utf32_utf8 */ |
/* {{{ php_utf32_utf8 */ |
| size_t php_utf32_utf8(unsigned char *buf, unsigned k) | static inline size_t php_utf32_utf8(unsigned char *buf, unsigned k) |
| { |
{ |
| size_t retval = 0; |
size_t retval = 0; |
| |
|
| |
/* assert(0x0 <= k <= 0x10FFFF); */ |
| |
|
| if (k < 0x80) { |
if (k < 0x80) { |
| buf[0] = k; |
buf[0] = k; |
| retval = 1; |
retval = 1; |
|
Line 883 size_t php_utf32_utf8(unsigned char *buf, unsigned k)
|
Line 474 size_t php_utf32_utf8(unsigned char *buf, unsigned k)
|
| buf[1] = 0x80 | ((k >> 6) & 0x3f); |
buf[1] = 0x80 | ((k >> 6) & 0x3f); |
| buf[2] = 0x80 | (k & 0x3f); |
buf[2] = 0x80 | (k & 0x3f); |
| retval = 3; |
retval = 3; |
| } else if (k < 0x200000) { | } else { |
| buf[0] = 0xf0 | (k >> 18); |
buf[0] = 0xf0 | (k >> 18); |
| buf[1] = 0x80 | ((k >> 12) & 0x3f); |
buf[1] = 0x80 | ((k >> 12) & 0x3f); |
| buf[2] = 0x80 | ((k >> 6) & 0x3f); |
buf[2] = 0x80 | ((k >> 6) & 0x3f); |
| buf[3] = 0x80 | (k & 0x3f); |
buf[3] = 0x80 | (k & 0x3f); |
| retval = 4; |
retval = 4; |
| } else if (k < 0x4000000) { |
|
| buf[0] = 0xf8 | (k >> 24); |
|
| buf[1] = 0x80 | ((k >> 18) & 0x3f); |
|
| buf[2] = 0x80 | ((k >> 12) & 0x3f); |
|
| buf[3] = 0x80 | ((k >> 6) & 0x3f); |
|
| buf[4] = 0x80 | (k & 0x3f); |
|
| retval = 5; |
|
| } else { |
|
| buf[0] = 0xfc | (k >> 30); |
|
| buf[1] = 0x80 | ((k >> 24) & 0x3f); |
|
| buf[2] = 0x80 | ((k >> 18) & 0x3f); |
|
| buf[3] = 0x80 | ((k >> 12) & 0x3f); |
|
| buf[4] = 0x80 | ((k >> 6) & 0x3f); |
|
| buf[5] = 0x80 | (k & 0x3f); |
|
| retval = 6; |
|
| } |
} |
| buf[retval] = '\0'; | /* UTF-8 has been restricted to max 4 bytes since RFC 3629 */ |
| |
|
| return retval; |
return retval; |
| } |
} |
| /* }}} */ |
/* }}} */ |
| |
|
| /* {{{ php_unescape_html_entities | /* {{{ php_mb2_int_to_char |
| */ | * Convert back big endian int representation of sequence of one or two 8-bit code units. */ |
| PHPAPI char *php_unescape_html_entities(unsigned char *old, int oldlen, int *newlen, int all, int quote_style, char *hint_charset TSRMLS_DC) | static inline size_t php_mb2_int_to_char(unsigned char *buf, unsigned k) |
| { |
{ |
| int retlen; | assert(k <= 0xFFFFU); |
| int j, k; | /* one or two bytes */ |
| char *replaced, *ret, *p, *q, *lim, *next; | if (k <= 0xFFU) { /* 1 */ |
| enum entity_charset charset = determine_charset(hint_charset TSRMLS_CC); | buf[0] = k; |
| unsigned char replacement[15]; | return 1U; |
| int replacement_len; | } else { /* 2 */ |
| | buf[0] = k >> 8; |
| | buf[1] = k & 0xFFU; |
| | return 2U; |
| | } |
| | } |
| | /* }}} */ |
| |
|
| ret = estrndup(old, oldlen); | /* {{{ php_mb3_int_to_char |
| retlen = oldlen; | * Convert back big endian int representation of sequence of one to three 8-bit code units. |
| if (!retlen) { | * For EUC-JP. */ |
| goto empty_source; | static inline size_t php_mb3_int_to_char(unsigned char *buf, unsigned k) |
| | { |
| | assert(k <= 0xFFFFFFU); |
| | /* one to three bytes */ |
| | if (k <= 0xFFU) { /* 1 */ |
| | buf[0] = k; |
| | return 1U; |
| | } else if (k <= 0xFFFFU) { /* 2 */ |
| | buf[0] = k >> 8; |
| | buf[1] = k & 0xFFU; |
| | return 2U; |
| | } else { |
| | buf[0] = k >> 16; |
| | buf[1] = (k >> 8) & 0xFFU; |
| | buf[2] = k & 0xFFU; |
| | return 3U; |
| } |
} |
| |
} |
| |
/* }}} */ |
| |
|
| |
|
| |
/* {{{ unimap_bsearc_cmp |
| |
* Binary search of unicode code points in unicode <--> charset mapping. |
| |
* Returns the code point in the target charset (whose mapping table was given) or 0 if |
| |
* the unicode code point is not in the table. |
| |
*/ |
| |
static inline unsigned char unimap_bsearch(const uni_to_enc *table, unsigned code_key_a, size_t num) |
| |
{ |
| |
const uni_to_enc *l = table, |
| |
*h = &table[num-1], |
| |
*m; |
| |
unsigned short code_key; |
| |
|
| |
/* we have no mappings outside the BMP */ |
| |
if (code_key_a > 0xFFFFU) |
| |
return 0; |
| |
|
| |
code_key = (unsigned short) code_key_a; |
| |
|
| if (all) { | while (l <= h) { |
| /* look for a match in the maps for this charset */ | m = l + (h - l) / 2; |
| for (j = 0; entity_map[j].charset != cs_terminator; j++) { | if (code_key < m->un_code_point) |
| if (entity_map[j].charset != charset) | h = m - 1; |
| continue; | else if (code_key > m->un_code_point) |
| | l = m + 1; |
| | else |
| | return m->cs_code; |
| | } |
| | return 0; |
| | } |
| | /* }}} */ |
| |
|
| for (k = entity_map[j].basechar; k <= entity_map[j].endchar; k++) { | /* {{{ map_from_unicode */ |
| unsigned char entity[32]; | static inline int map_from_unicode(unsigned code, enum entity_charset charset, unsigned *res) |
| int entity_length = 0; | { |
| | unsigned char found; |
| | const uni_to_enc *table; |
| | size_t table_size; |
| |
|
| if (entity_map[j].table[k - entity_map[j].basechar] == NULL) | switch (charset) { |
| continue; | case cs_8859_1: |
| | /* identity mapping of code points to unicode */ |
| | if (code > 0xFF) { |
| | return FAILURE; |
| | } |
| | *res = code; |
| | break; |
| |
|
| entity_length = slprintf(entity, sizeof(entity), "&%s;", entity_map[j].table[k - entity_map[j].basechar]); | case cs_8859_5: |
| if (entity_length >= sizeof(entity)) { | if (code <= 0xA0 || code == 0xAD /* soft hyphen */) { |
| continue; | *res = code; |
| } | } else if (code == 0x2116) { |
| | *res = 0xF0; /* numero sign */ |
| | } else if (code == 0xA7) { |
| | *res = 0xFD; /* section sign */ |
| | } else if (code >= 0x0401 && code <= 0x044F) { |
| | if (code == 0x040D || code == 0x0450 || code == 0x045D) |
| | return FAILURE; |
| | *res = code - 0x360; |
| | } else { |
| | return FAILURE; |
| | } |
| | break; |
| | |
| | case cs_8859_15: |
| | if (code < 0xA4 || (code > 0xBE && code <= 0xFF)) { |
| | *res = code; |
| | } else { /* between A4 and 0xBE */ |
| | found = unimap_bsearch(unimap_iso885915, |
| | code, sizeof(unimap_iso885915) / sizeof(*unimap_iso885915)); |
| | if (found) |
| | *res = found; |
| | else |
| | return FAILURE; |
| | } |
| | break; |
| |
|
| /* When we have MBCS entities in the tables above, this will need to handle it */ | case cs_cp1252: |
| replacement_len = 0; | if (code <= 0x7F || (code >= 0xA0 && code <= 0xFF)) { |
| switch (charset) { | *res = code; |
| case cs_8859_1: | } else { |
| case cs_cp1252: | found = unimap_bsearch(unimap_win1252, |
| case cs_8859_15: | code, sizeof(unimap_win1252) / sizeof(*unimap_win1252)); |
| case cs_cp1251: | if (found) |
| case cs_8859_5: | *res = found; |
| case cs_cp866: | else |
| case cs_koi8r: | return FAILURE; |
| replacement[0] = k; | } |
| replacement[1] = '\0'; | break; |
| replacement_len = 1; | |
| break; | |
| |
|
| case cs_big5: | case cs_macroman: |
| case cs_gb2312: | if (code == 0x7F) |
| case cs_big5hkscs: | return FAILURE; |
| case cs_sjis: | table = unimap_macroman; |
| case cs_eucjp: | table_size = sizeof(unimap_macroman) / sizeof(*unimap_macroman); |
| /* we cannot properly handle those multibyte encodings | goto table_over_7F; |
| * with php_str_to_str. skip it. */ | case cs_cp1251: |
| continue; | table = unimap_win1251; |
| | table_size = sizeof(unimap_win1251) / sizeof(*unimap_win1251); |
| | goto table_over_7F; |
| | case cs_koi8r: |
| | table = unimap_koi8r; |
| | table_size = sizeof(unimap_koi8r) / sizeof(*unimap_koi8r); |
| | goto table_over_7F; |
| | case cs_cp866: |
| | table = unimap_cp866; |
| | table_size = sizeof(unimap_cp866) / sizeof(*unimap_cp866); |
| | |
| | table_over_7F: |
| | if (code <= 0x7F) { |
| | *res = code; |
| | } else { |
| | found = unimap_bsearch(table, code, table_size); |
| | if (found) |
| | *res = found; |
| | else |
| | return FAILURE; |
| | } |
| | break; |
| |
|
| case cs_utf_8: | /* from here on, only map the possible characters in the ASCII range. |
| replacement_len = php_utf32_utf8(replacement, k); | * to improve support here, it's a matter of building the unicode mappings. |
| break; | * See <http://www.unicode.org/Public/6.0.0/ucd/Unihan.zip> */ |
| | case cs_sjis: |
| | case cs_eucjp: |
| | /* we interpret 0x5C as the Yen symbol. This is not universal. |
| | * See <http://www.w3.org/Submission/japanese-xml/#ambiguity_of_yen> */ |
| | if (code >= 0x20 && code <= 0x7D) { |
| | if (code == 0x5C) |
| | return FAILURE; |
| | *res = code; |
| | } else { |
| | return FAILURE; |
| | } |
| | break; |
| |
|
| default: | case cs_big5: |
| php_error_docref(NULL TSRMLS_CC, E_WARNING, "cannot yet handle MBCS!"); | case cs_big5hkscs: |
| efree(ret); | case cs_gb2312: |
| return NULL; | if (code >= 0x20 && code <= 0x7D) { |
| } | *res = code; |
| | } else { |
| | return FAILURE; |
| | } |
| | break; |
| |
|
| if (php_memnstr(ret, entity, entity_length, ret+retlen)) { | default: |
| replaced = php_str_to_str(ret, retlen, entity, entity_length, replacement, replacement_len, &retlen); | return FAILURE; |
| efree(ret); | } |
| ret = replaced; | |
| } | return SUCCESS; |
| | } |
| | /* }}} */ |
| | |
| | /* {{{ */ |
| | static inline void map_to_unicode(unsigned code, const enc_to_uni *table, unsigned *res) |
| | { |
| | /* only single byte encodings are currently supported; assumed code <= 0xFF */ |
| | *res = table->inner[ENT_ENC_TO_UNI_STAGE1(code)]->uni_cp[ENT_ENC_TO_UNI_STAGE2(code)]; |
| | } |
| | /* }}} */ |
| | |
| | /* {{{ unicode_cp_is_allowed */ |
| | static inline int unicode_cp_is_allowed(unsigned uni_cp, int document_type) |
| | { |
| | /* XML 1.0 HTML 4.01 HTML 5 |
| | * 0x09..0x0A 0x09..0x0A 0x09..0x0A |
| | * 0x0D 0x0D 0x0C..0x0D |
| | * 0x0020..0xD7FF 0x20..0x7E 0x20..0x7E |
| | * 0x00A0..0xD7FF 0x00A0..0xD7FF |
| | * 0xE000..0xFFFD 0xE000..0x10FFFF 0xE000..0xFDCF |
| | * 0x010000..0x10FFFF 0xFDF0..0x10FFFF (*) |
| | * |
| | * (*) exclude code points where ((code & 0xFFFF) >= 0xFFFE) |
| | * |
| | * References: |
| | * XML 1.0: <http://www.w3.org/TR/REC-xml/#charsets> |
| | * HTML 4.01: <http://www.w3.org/TR/1999/PR-html40-19990824/sgml/sgmldecl.html> |
| | * HTML 5: <http://dev.w3.org/html5/spec/Overview.html#preprocessing-the-input-stream> |
| | * |
| | * Not sure this is the relevant part for HTML 5, though. I opted to |
| | * disallow the characters that would result in a parse error when |
| | * preprocessing of the input stream. See also section 8.1.3. |
| | * |
| | * It's unclear if XHTML 1.0 allows C1 characters. I'll opt to apply to |
| | * XHTML 1.0 the same rules as for XML 1.0. |
| | * See <http://cmsmcq.com/2007/C1.xml>. |
| | */ |
| | |
| | switch (document_type) { |
| | case ENT_HTML_DOC_HTML401: |
| | return (uni_cp >= 0x20 && uni_cp <= 0x7E) || |
| | (uni_cp == 0x0A || uni_cp == 0x09 || uni_cp == 0x0D) || |
| | (uni_cp >= 0xA0 && uni_cp <= 0xD7FF) || |
| | (uni_cp >= 0xE000 && uni_cp <= 0x10FFFF); |
| | case ENT_HTML_DOC_HTML5: |
| | return (uni_cp >= 0x20 && uni_cp <= 0x7E) || |
| | (uni_cp >= 0x09 && uni_cp <= 0x0D && uni_cp != 0x0B) || /* form feed U+0C allowed */ |
| | (uni_cp >= 0xA0 && uni_cp <= 0xD7FF) || |
| | (uni_cp >= 0xE000 && uni_cp <= 0x10FFFF && |
| | ((uni_cp & 0xFFFF) < 0xFFFE) && /* last two of each plane (nonchars) disallowed */ |
| | (uni_cp < 0xFDD0 || uni_cp > 0xFDEF)); /* U+FDD0-U+FDEF (nonchars) disallowed */ |
| | case ENT_HTML_DOC_XHTML: |
| | case ENT_HTML_DOC_XML1: |
| | return (uni_cp >= 0x20 && uni_cp <= 0xD7FF) || |
| | (uni_cp == 0x0A || uni_cp == 0x09 || uni_cp == 0x0D) || |
| | (uni_cp >= 0xE000 && uni_cp <= 0x10FFFF && uni_cp != 0xFFFE && uni_cp != 0xFFFF); |
| | default: |
| | return 1; |
| | } |
| | } |
| | /* }}} */ |
| | |
| | /* {{{ unicode_cp_is_allowed */ |
| | static inline int numeric_entity_is_allowed(unsigned uni_cp, int document_type) |
| | { |
| | /* less restrictive than unicode_cp_is_allowed */ |
| | switch (document_type) { |
| | case ENT_HTML_DOC_HTML401: |
| | /* all non-SGML characters (those marked with UNUSED in DESCSET) should be |
| | * representable with numeric entities */ |
| | return uni_cp <= 0x10FFFF; |
| | case ENT_HTML_DOC_HTML5: |
| | /* 8.1.4. The numeric character reference forms described above are allowed to |
| | * reference any Unicode code point other than U+0000, U+000D, permanently |
| | * undefined Unicode characters (noncharacters), and control characters other |
| | * than space characters (U+0009, U+000A, U+000C and U+000D) */ |
| | /* seems to allow surrogate characters, then */ |
| | return (uni_cp >= 0x20 && uni_cp <= 0x7E) || |
| | (uni_cp >= 0x09 && uni_cp <= 0x0C && uni_cp != 0x0B) || /* form feed U+0C allowed, but not U+0D */ |
| | (uni_cp >= 0xA0 && uni_cp <= 0x10FFFF && |
| | ((uni_cp & 0xFFFF) < 0xFFFE) && /* last two of each plane (nonchars) disallowed */ |
| | (uni_cp < 0xFDD0 || uni_cp > 0xFDEF)); /* U+FDD0-U+FDEF (nonchars) disallowed */ |
| | case ENT_HTML_DOC_XHTML: |
| | case ENT_HTML_DOC_XML1: |
| | /* OTOH, XML 1.0 requires "character references to match the production for Char |
| | * See <http://www.w3.org/TR/REC-xml/#NT-CharRef> */ |
| | return unicode_cp_is_allowed(uni_cp, document_type); |
| | default: |
| | return 1; |
| | } |
| | } |
| | /* }}} */ |
| | |
| | /* {{{ process_numeric_entity |
| | * Auxiliary function to traverse_for_entities. |
| | * On input, *buf should point to the first character after # and on output, it's the last |
| | * byte read, no matter if there was success or insuccess. |
| | */ |
| | static inline int process_numeric_entity(const char **buf, unsigned *code_point) |
| | { |
| | long code_l; |
| | int hexadecimal = (**buf == 'x' || **buf == 'X'); /* TODO: XML apparently disallows "X" */ |
| | char *endptr; |
| | |
| | if (hexadecimal && (**buf != '\0')) |
| | (*buf)++; |
| | |
| | /* strtol allows whitespace and other stuff in the beginning |
| | * we're not interested */ |
| | if ((hexadecimal && !isxdigit(**buf)) || |
| | (!hexadecimal && !isdigit(**buf))) { |
| | return FAILURE; |
| | } |
| | |
| | code_l = strtol(*buf, &endptr, hexadecimal ? 16 : 10); |
| | /* we're guaranteed there were valid digits, so *endptr > buf */ |
| | *buf = endptr; |
| | |
| | if (**buf != ';') |
| | return FAILURE; |
| | |
| | /* many more are invalid, but that depends on whether it's HTML |
| | * (and which version) or XML. */ |
| | if (code_l > 0x10FFFFL) |
| | return FAILURE; |
| | |
| | if (code_point != NULL) |
| | *code_point = (unsigned)code_l; |
| | |
| | return SUCCESS; |
| | } |
| | /* }}} */ |
| | |
| | /* {{{ process_named_entity */ |
| | static inline int process_named_entity_html(const char **buf, const char **start, size_t *length) |
| | { |
| | *start = *buf; |
| | |
| | /* "&" is represented by a 0x26 in all supported encodings. That means |
| | * the byte after represents a character or is the leading byte of an |
| | * sequence of 8-bit code units. If in the ranges below, it represents |
| | * necessarily a alpha character because none of the supported encodings |
| | * has an overlap with ASCII in the leading byte (only on the second one) */ |
| | while ((**buf >= 'a' && **buf <= 'z') || |
| | (**buf >= 'A' && **buf <= 'Z') || |
| | (**buf >= '0' && **buf <= '9')) { |
| | (*buf)++; |
| | } |
| | |
| | if (**buf != ';') |
| | return FAILURE; |
| | |
| | /* cast to size_t OK as the quantity is always non-negative */ |
| | *length = *buf - *start; |
| | |
| | if (*length == 0) |
| | return FAILURE; |
| | |
| | return SUCCESS; |
| | } |
| | /* }}} */ |
| | |
| | /* {{{ resolve_named_entity_html */ |
| | static inline int resolve_named_entity_html(const char *start, size_t length, const entity_ht *ht, unsigned *uni_cp1, unsigned *uni_cp2) |
| | { |
| | const entity_cp_map *s; |
| | ulong hash = zend_inline_hash_func(start, length); |
| | |
| | s = ht->buckets[hash % ht->num_elems]; |
| | while (s->entity) { |
| | if (s->entity_len == length) { |
| | if (memcmp(start, s->entity, length) == 0) { |
| | *uni_cp1 = s->codepoint1; |
| | *uni_cp2 = s->codepoint2; |
| | return SUCCESS; |
| } |
} |
| } |
} |
| |
s++; |
| } |
} |
| |
return FAILURE; |
| |
} |
| |
/* }}} */ |
| |
|
| for (j = 0; basic_entities[j].charcode != 0; j++) { | static inline size_t write_octet_sequence(unsigned char *buf, enum entity_charset charset, unsigned code) { |
| | /* code is not necessarily a unicode code point */ |
| | switch (charset) { |
| | case cs_utf_8: |
| | return php_utf32_utf8(buf, code); |
| |
|
| if (basic_entities[j].flags && (quote_style & basic_entities[j].flags) == 0) | case cs_8859_1: |
| continue; | case cs_cp1252: |
| | case cs_8859_15: |
| replacement[0] = (unsigned char)basic_entities[j].charcode; | case cs_koi8r: |
| replacement[1] = '\0'; | case cs_cp1251: |
| | case cs_8859_5: |
| | case cs_cp866: |
| | case cs_macroman: |
| | /* single byte stuff */ |
| | *buf = code; |
| | return 1; |
| |
|
| if (php_memnstr(ret, basic_entities[j].entity, basic_entities[j].entitylen, ret+retlen)) { | case cs_big5: |
| replaced = php_str_to_str(ret, retlen, basic_entities[j].entity, basic_entities[j].entitylen, replacement, 1, &retlen); | case cs_big5hkscs: |
| efree(ret); | case cs_sjis: |
| ret = replaced; | case cs_gb2312: |
| } | /* we don't have complete unicode mappings for these yet in entity_decode, |
| | * and we opt to pass through the octet sequences for these in htmlentities |
| | * instead of converting to an int and then converting back. */ |
| | #if 0 |
| | return php_mb2_int_to_char(buf, code); |
| | #else |
| | #ifdef ZEND_DEBUG |
| | assert(code <= 0xFFU); |
| | #endif |
| | *buf = code; |
| | return 1; |
| | #endif |
| | |
| | case cs_eucjp: |
| | #if 0 /* idem */ |
| | return php_mb2_int_to_char(buf, code); |
| | #else |
| | #ifdef ZEND_DEBUG |
| | assert(code <= 0xFFU); |
| | #endif |
| | *buf = code; |
| | return 1; |
| | #endif |
| | |
| | default: |
| | assert(0); |
| | return 0; |
| } |
} |
| |
} |
| |
|
| /* replace numeric entities & "&" */ | /* {{{ traverse_for_entities |
| lim = ret + retlen; | * Auxiliary function to php_unescape_html_entities(). |
| for (p = ret, q = ret; p < lim;) { | * - The argument "all" determines if all numeric entities are decode or only those |
| int code; | * that correspond to quotes (depending on quote_style). |
| | */ |
| | /* maximum expansion (factor 1.2) for HTML 5 with ≫⃒ and ≪⃒ */ |
| | /* +2 is 1 because of rest (probably unnecessary), 1 because of terminating 0 */ |
| | #define TRAVERSE_FOR_ENTITIES_EXPAND_SIZE(oldlen) ((oldlen) + (oldlen) / 5 + 2) |
| | static void traverse_for_entities( |
| | const char *old, |
| | size_t oldlen, |
| | char *ret, /* should have allocated TRAVERSE_FOR_ENTITIES_EXPAND_SIZE(olden) */ |
| | size_t *retlen, |
| | int all, |
| | int flags, |
| | const entity_ht *inv_map, |
| | enum entity_charset charset) |
| | { |
| | const char *p, |
| | *lim; |
| | char *q; |
| | int doctype = flags & ENT_HTML_DOC_TYPE_MASK; |
| |
|
| if (p[0] == '&') { | lim = old + oldlen; /* terminator address */ |
| if (p + 2 < lim) { | assert(*lim == '\0'); |
| if (p[1] == '#') { | |
| int invalid_code = 0; | |
| |
|
| if (p[2] == 'x' || p[2] == 'X') { | for (p = old, q = ret; p < lim;) { |
| code = strtol(p + 3, &next, 16); | unsigned code, code2 = 0; |
| } else { | const char *next = NULL; /* when set, next > p, otherwise possible inf loop */ |
| code = strtol(p + 2, &next, 10); | |
| } | |
| |
|
| if ((code == '\'' && !(quote_style & ENT_HTML_QUOTE_SINGLE)) || | /* Shift JIS, Big5 and HKSCS use multi-byte encodings where an |
| (code == '"' && !(quote_style & ENT_HTML_QUOTE_DOUBLE))) { | * ASCII range byte can be part of a multi-byte sequence. |
| invalid_code = 1; | * However, they start at 0x40, therefore if we find a 0x26 byte, |
| } | * we're sure it represents the '&' character. */ |
| |
|
| if (next != NULL && *next == ';' && !invalid_code) { | /* assumes there are no single-char entities */ |
| switch (charset) { | if (p[0] != '&' || (p + 3 >= lim)) { |
| case cs_utf_8: | *(q++) = *(p++); |
| q += php_utf32_utf8(q, code); | continue; |
| break; | } |
| |
|
| case cs_8859_1: | /* now p[3] is surely valid and is no terminator */ |
| case cs_8859_5: | |
| case cs_8859_15: | |
| if ((code >= 0x80 && code < 0xa0) || code > 0xff) { | |
| invalid_code = 1; | |
| } else { | |
| *(q++) = code; | |
| } | |
| break; | |
| |
|
| case cs_cp1252: | /* numerical entity */ |
| if (code > 0xff) { | if (p[1] == '#') { |
| invalid_code = 1; | next = &p[2]; |
| } else { | if (process_numeric_entity(&next, &code) == FAILURE) |
| *(q++) = code; | goto invalid_code; |
| } | |
| break; | |
| |
|
| case cs_cp1251: | /* If we're in htmlspecialchars_decode, we're only decoding entities |
| case cs_cp866: | * that represent &, <, >, " and '. Is this one of them? */ |
| case cs_big5: | if (!all && (code > 63U || |
| case cs_big5hkscs: | stage3_table_be_apos_00000[code].data.ent.entity == NULL)) |
| case cs_sjis: | goto invalid_code; |
| case cs_eucjp: | |
| if (code >= 0x80) { | |
| invalid_code = 1; | |
| } else { | |
| *(q++) = code; | |
| } | |
| break; | |
| |
|
| case cs_gb2312: | /* are we allowed to decode this entity in this document type? |
| if (code >= 0x81) { | * HTML 5 is the only that has a character that cannot be used in |
| invalid_code = 1; | * a numeric entity but is allowed literally (U+000D). The |
| } else { | * unoptimized version would be ... || !numeric_entity_is_allowed(code) */ |
| *(q++) = code; | if (!unicode_cp_is_allowed(code, doctype) || |
| } | (doctype == ENT_HTML_DOC_HTML5 && code == 0x0D)) |
| break; | goto invalid_code; |
| | } else { |
| | const char *start; |
| | size_t ent_len; |
| |
|
| default: | next = &p[1]; |
| /* for backwards compatilibity */ | start = next; |
| invalid_code = 1; | |
| break; | if (process_named_entity_html(&next, &start, &ent_len) == FAILURE) |
| } | goto invalid_code; |
| if (invalid_code) { | |
| for (; p <= next; p++) { | if (resolve_named_entity_html(start, ent_len, inv_map, &code, &code2) == FAILURE) { |
| *(q++) = *p; | if (doctype == ENT_HTML_DOC_XHTML && ent_len == 4 && start[0] == 'a' |
| } | && start[1] == 'p' && start[2] == 'o' && start[3] == 's') { |
| } | /* uses html4 inv_map, which doesn't include apos;. This is a |
| p = next + 1; | * hack to support it */ |
| } else { | code = (unsigned) '\''; |
| *(q++) = *(p++); | |
| *(q++) = *(p++); | |
| } | |
| } else if (p + 4 < lim && | |
| p[1] == 'a' && p[2] == 'm' &&p[3] == 'p' && | |
| p[4] == ';') { | |
| *(q++) = '&'; | |
| p += 5; | |
| } else { |
} else { |
| *(q++) = *(p++); | goto invalid_code; |
| *(q++) = *(p++); | |
| } |
} |
| } else { |
|
| *(q++) = *(p++); |
|
| } |
} |
| } else { |
|
| *(q++) = *(p++); |
|
| } |
} |
| |
|
| |
assert(*next == ';'); |
| |
|
| |
if (((code == '\'' && !(flags & ENT_HTML_QUOTE_SINGLE)) || |
| |
(code == '"' && !(flags & ENT_HTML_QUOTE_DOUBLE))) |
| |
/* && code2 == '\0' always true for current maps */) |
| |
goto invalid_code; |
| |
|
| |
/* UTF-8 doesn't need mapping (ISO-8859-1 doesn't either, but |
| |
* the call is needed to ensure the codepoint <= U+00FF) */ |
| |
if (charset != cs_utf_8) { |
| |
/* replace unicode code point */ |
| |
if (map_from_unicode(code, charset, &code) == FAILURE || code2 != 0) |
| |
goto invalid_code; /* not representable in target charset */ |
| |
} |
| |
|
| |
q += write_octet_sequence(q, charset, code); |
| |
if (code2) { |
| |
q += write_octet_sequence(q, charset, code2); |
| |
} |
| |
|
| |
/* jump over the valid entity; may go beyond size of buffer; np */ |
| |
p = next + 1; |
| |
continue; |
| |
|
| |
invalid_code: |
| |
for (; p < next; p++) { |
| |
*(q++) = *p; |
| |
} |
| } |
} |
| |
|
| *q = '\0'; |
*q = '\0'; |
| retlen = (size_t)(q - ret); | *retlen = (size_t)(q - ret); |
| | } |
| | /* }}} */ |
| | |
| | /* {{{ unescape_inverse_map */ |
| | static const entity_ht *unescape_inverse_map(int all, int flags) |
| | { |
| | int document_type = flags & ENT_HTML_DOC_TYPE_MASK; |
| | |
| | if (all) { |
| | switch (document_type) { |
| | case ENT_HTML_DOC_HTML401: |
| | case ENT_HTML_DOC_XHTML: /* but watch out for '...*/ |
| | return &ent_ht_html4; |
| | case ENT_HTML_DOC_HTML5: |
| | return &ent_ht_html5; |
| | default: |
| | return &ent_ht_be_apos; |
| | } |
| | } else { |
| | switch (document_type) { |
| | case ENT_HTML_DOC_HTML401: |
| | return &ent_ht_be_noapos; |
| | default: |
| | return &ent_ht_be_apos; |
| | } |
| | } |
| | } |
| | /* }}} */ |
| | |
| | /* {{{ determine_entity_table |
| | * Entity table to use. Note that entity tables are defined in terms of |
| | * unicode code points */ |
| | static entity_table_opt determine_entity_table(int all, int doctype) |
| | { |
| | entity_table_opt retval = {NULL}; |
| | |
| | assert(!(doctype == ENT_HTML_DOC_XML1 && all)); |
| | |
| | if (all) { |
| | retval.ms_table = (doctype == ENT_HTML_DOC_HTML5) ? |
| | entity_ms_table_html5 : entity_ms_table_html4; |
| | } else { |
| | retval.table = (doctype == ENT_HTML_DOC_HTML401) ? |
| | stage3_table_be_noapos_00000 : stage3_table_be_apos_00000; |
| | } |
| | return retval; |
| | } |
| | /* }}} */ |
| | |
| | /* {{{ php_unescape_html_entities |
| | * The parameter "all" should be true to decode all possible entities, false to decode |
| | * only the basic ones, i.e., those in basic_entities_ex + the numeric entities |
| | * that correspond to quotes. |
| | */ |
| | PHPAPI char *php_unescape_html_entities(unsigned char *old, size_t oldlen, size_t *newlen, int all, int flags, char *hint_charset TSRMLS_DC) |
| | { |
| | size_t retlen; |
| | char *ret; |
| | enum entity_charset charset; |
| | const entity_ht *inverse_map = NULL; |
| | size_t new_size = TRAVERSE_FOR_ENTITIES_EXPAND_SIZE(oldlen); |
| | |
| | if (all) { |
| | charset = determine_charset(hint_charset TSRMLS_CC); |
| | } else { |
| | charset = cs_8859_1; /* charset shouldn't matter, use ISO-8859-1 for performance */ |
| | } |
| | |
| | /* don't use LIMIT_ALL! */ |
| | |
| | if (oldlen > new_size) { |
| | /* overflow, refuse to do anything */ |
| | ret = estrndup((char*)old, oldlen); |
| | retlen = oldlen; |
| | goto empty_source; |
| | } |
| | ret = emalloc(new_size); |
| | *ret = '\0'; |
| | retlen = oldlen; |
| | if (retlen == 0) { |
| | goto empty_source; |
| | } |
| | |
| | inverse_map = unescape_inverse_map(all, flags); |
| | |
| | /* replace numeric entities */ |
| | traverse_for_entities(old, oldlen, ret, &retlen, all, flags, inverse_map, charset); |
| | |
| empty_source: |
empty_source: |
| *newlen = retlen; |
*newlen = retlen; |
| return ret; |
return ret; |
| } |
} |
| /* }}} */ |
/* }}} */ |
| |
|
| PHPAPI char *php_escape_html_entities(unsigned char *old, int oldlen, int *newlen, int all, int quote_style, char *hint_charset TSRMLS_DC) | PHPAPI char *php_escape_html_entities(unsigned char *old, size_t oldlen, size_t *newlen, int all, int flags, char *hint_charset TSRMLS_DC) |
| { |
{ |
| return php_escape_html_entities_ex(old, oldlen, newlen, all, quote_style, hint_charset, 1 TSRMLS_CC); | return php_escape_html_entities_ex(old, oldlen, newlen, all, flags, hint_charset, 1 TSRMLS_CC); |
| } |
} |
| |
|
| |
/* {{{ find_entity_for_char */ |
| |
static inline void find_entity_for_char( |
| |
unsigned int k, |
| |
enum entity_charset charset, |
| |
const entity_stage1_row *table, |
| |
const unsigned char **entity, |
| |
size_t *entity_len, |
| |
unsigned char *old, |
| |
size_t oldlen, |
| |
size_t *cursor) |
| |
{ |
| |
unsigned stage1_idx = ENT_STAGE1_INDEX(k); |
| |
const entity_stage3_row *c; |
| |
|
| |
if (stage1_idx > 0x1D) { |
| |
*entity = NULL; |
| |
*entity_len = 0; |
| |
return; |
| |
} |
| |
|
| |
c = &table[stage1_idx][ENT_STAGE2_INDEX(k)][ENT_STAGE3_INDEX(k)]; |
| |
|
| |
if (!c->ambiguous) { |
| |
*entity = (const unsigned char *)c->data.ent.entity; |
| |
*entity_len = c->data.ent.entity_len; |
| |
} else { |
| |
/* peek at next char */ |
| |
size_t cursor_before = *cursor; |
| |
int status = SUCCESS; |
| |
unsigned next_char; |
| |
|
| |
if (!(*cursor < oldlen)) |
| |
goto no_suitable_2nd; |
| |
|
| |
next_char = get_next_char(charset, old, oldlen, cursor, &status); |
| |
|
| |
if (status == FAILURE) |
| |
goto no_suitable_2nd; |
| |
|
| |
{ |
| |
const entity_multicodepoint_row *s, *e; |
| |
|
| |
s = &c->data.multicodepoint_table[1]; |
| |
e = s - 1 + c->data.multicodepoint_table[0].leading_entry.size; |
| |
/* we could do a binary search but it's not worth it since we have |
| |
* at most two entries... */ |
| |
for ( ; s <= e; s++) { |
| |
if (s->normal_entry.second_cp == next_char) { |
| |
*entity = s->normal_entry.entity; |
| |
*entity_len = s->normal_entry.entity_len; |
| |
return; |
| |
} |
| |
} |
| |
} |
| |
no_suitable_2nd: |
| |
*cursor = cursor_before; |
| |
*entity = (const unsigned char *) |
| |
c->data.multicodepoint_table[0].leading_entry.default_entity; |
| |
*entity_len = c->data.multicodepoint_table[0].leading_entry.default_entity_len; |
| |
} |
| |
} |
| |
/* }}} */ |
| |
|
| |
/* {{{ find_entity_for_char_basic */ |
| |
static inline void find_entity_for_char_basic( |
| |
unsigned int k, |
| |
const entity_stage3_row *table, |
| |
const unsigned char **entity, |
| |
size_t *entity_len) |
| |
{ |
| |
if (k >= 64U) { |
| |
*entity = NULL; |
| |
*entity_len = 0; |
| |
return; |
| |
} |
| |
|
| |
*entity = table[k].data.ent.entity; |
| |
*entity_len = table[k].data.ent.entity_len; |
| |
} |
| |
/* }}} */ |
| |
|
| /* {{{ php_escape_html_entities |
/* {{{ php_escape_html_entities |
| */ |
*/ |
| 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) | PHPAPI char *php_escape_html_entities_ex(unsigned char *old, size_t oldlen, size_t *newlen, int all, int flags, char *hint_charset, zend_bool double_encode TSRMLS_DC) |
| { |
{ |
| int i, j, maxlen, len; | size_t cursor, maxlen, len; |
| char *replaced; |
char *replaced; |
| enum entity_charset charset = determine_charset(hint_charset TSRMLS_CC); |
enum entity_charset charset = determine_charset(hint_charset TSRMLS_CC); |
| int matches_map; | int doctype = flags & ENT_HTML_DOC_TYPE_MASK; |
| | entity_table_opt entity_table; |
| | const enc_to_uni *to_uni_table = NULL; |
| | const entity_ht *inv_map = NULL; /* used for !double_encode */ |
| | /* only used if flags includes ENT_HTML_IGNORE_ERRORS or ENT_HTML_SUBSTITUTE_DISALLOWED_CHARS */ |
| | const unsigned char *replacement = NULL; |
| | size_t replacement_len = 0; |
| |
|
| maxlen = 2 * oldlen; | if (all) { /* replace with all named entities */ |
| if (maxlen < 128) | if (CHARSET_PARTIAL_SUPPORT(charset)) { |
| maxlen = 128; | php_error_docref0(NULL TSRMLS_CC, E_STRICT, "Only basic entities " |
| replaced = emalloc (maxlen); | "substitution is supported for multi-byte encodings other than UTF-8; " |
| | "functionality is equivalent to htmlspecialchars"); |
| | } |
| | LIMIT_ALL(all, doctype, charset); |
| | } |
| | entity_table = determine_entity_table(all, doctype); |
| | if (all && !CHARSET_UNICODE_COMPAT(charset)) { |
| | to_uni_table = enc_to_uni_index[charset]; |
| | } |
| | |
| | if (!double_encode) { |
| | /* first arg is 1 because we want to identify valid named entities |
| | * even if we are only encoding the basic ones */ |
| | inv_map = unescape_inverse_map(1, flags); |
| | } |
| | |
| | if (flags & (ENT_HTML_SUBSTITUTE_ERRORS | ENT_HTML_SUBSTITUTE_DISALLOWED_CHARS)) { |
| | if (charset == cs_utf_8) { |
| | replacement = (const unsigned char*)"\xEF\xBF\xBD"; |
| | replacement_len = sizeof("\xEF\xBF\xBD") - 1; |
| | } else { |
| | replacement = (const unsigned char*)"�"; |
| | replacement_len = sizeof("�") - 1; |
| | } |
| | } |
| | |
| | /* initial estimate */ |
| | if (oldlen < 64) { |
| | maxlen = 128; |
| | } else { |
| | maxlen = 2 * oldlen; |
| | if (maxlen < oldlen) { |
| | zend_error_noreturn(E_ERROR, "Input string is too long"); |
| | return NULL; |
| | } |
| | } |
| | |
| | replaced = emalloc(maxlen + 1); /* adding 1 is safe: maxlen is even */ |
| len = 0; |
len = 0; |
| i = 0; | cursor = 0; |
| while (i < oldlen) { | while (cursor < oldlen) { |
| unsigned char mbsequence[16]; /* allow up to 15 characters in a multibyte sequence */ | const unsigned char *mbsequence = NULL; |
| int mbseqlen = sizeof(mbsequence); | size_t mbseqlen = 0, |
| int status = SUCCESS; | cursor_before = cursor; |
| unsigned int this_char = get_next_char(charset, old, oldlen, &i, mbsequence, &mbseqlen, &status); | int status = SUCCESS; |
| | unsigned int this_char = get_next_char(charset, old, oldlen, &cursor, &status); |
| |
|
| if(status == FAILURE) { | /* guarantee we have at least 40 bytes to write. |
| | * In HTML5, entities may take up to 33 bytes */ |
| | if (len > maxlen - 40) { /* maxlen can never be smaller than 128 */ |
| | replaced = safe_erealloc(replaced, maxlen , 1, 128 + 1); |
| | maxlen += 128; |
| | } |
| | |
| | if (status == FAILURE) { |
| /* invalid MB sequence */ |
/* invalid MB sequence */ |
| if (quote_style & ENT_HTML_IGNORE_ERRORS) { | if (flags & ENT_HTML_IGNORE_ERRORS) { |
| continue; |
continue; |
| |
} else if (flags & ENT_HTML_SUBSTITUTE_ERRORS) { |
| |
memcpy(&replaced[len], replacement, replacement_len); |
| |
len += replacement_len; |
| |
continue; |
| |
} else { |
| |
efree(replaced); |
| |
*newlen = 0; |
| |
return STR_EMPTY_ALLOC(); |
| } |
} |
| efree(replaced); | } else { /* SUCCESS */ |
| if(!PG(display_errors)) { | mbsequence = &old[cursor_before]; |
| php_error_docref(NULL TSRMLS_CC, E_WARNING, "Invalid multibyte sequence in argument"); | mbseqlen = cursor - cursor_before; |
| } | |
| *newlen = 0; | |
| return STR_EMPTY_ALLOC(); | |
| } |
} |
| matches_map = 0; |
|
| |
|
| if (len + 16 > maxlen) | if (this_char != '&') { /* no entity on this position */ |
| replaced = erealloc (replaced, maxlen += 128); | const unsigned char *rep = NULL; |
| | size_t rep_len = 0; |
| |
|
| if (all) { | if (((this_char == '\'' && !(flags & ENT_HTML_QUOTE_SINGLE)) || |
| /* look for a match in the maps for this charset */ | (this_char == '"' && !(flags & ENT_HTML_QUOTE_DOUBLE)))) |
| unsigned char *rep = NULL; | goto pass_char_through; |
| |
|
| if (all) { /* false that CHARSET_PARTIAL_SUPPORT(charset) */ |
| for (j = 0; entity_map[j].charset != cs_terminator; j++) { | if (to_uni_table != NULL) { |
| if (entity_map[j].charset == charset | /* !CHARSET_UNICODE_COMPAT therefore not UTF-8; since UTF-8 |
| && this_char >= entity_map[j].basechar | * is the only multibyte encoding with !CHARSET_PARTIAL_SUPPORT, |
| && this_char <= entity_map[j].endchar) { | * we're using a single byte encoding */ |
| rep = (unsigned char*)entity_map[j].table[this_char - entity_map[j].basechar]; | map_to_unicode(this_char, to_uni_table, &this_char); |
| if (rep == NULL) { | if (this_char == 0xFFFF) /* no mapping; pass through */ |
| /* there is no entity for this position; fall through and | goto pass_char_through; |
| * just output the character itself */ | |
| break; | |
| } | |
| |
| matches_map = 1; | |
| break; | |
| } |
} |
| |
/* the cursor may advance */ |
| |
find_entity_for_char(this_char, charset, entity_table.ms_table, &rep, |
| |
&rep_len, old, oldlen, &cursor); |
| |
} else { |
| |
find_entity_for_char_basic(this_char, entity_table.table, &rep, &rep_len); |
| } |
} |
| |
|
| if (matches_map) { | if (rep != NULL) { |
| int l = strlen(rep); | |
| /* increase the buffer size */ | |
| if (len + 2 + l >= maxlen) { | |
| replaced = erealloc(replaced, maxlen += 128); | |
| } | |
| |
| replaced[len++] = '&'; |
replaced[len++] = '&'; |
| strlcpy(replaced + len, rep, maxlen); | memcpy(&replaced[len], rep, rep_len); |
| len += l; | len += rep_len; |
| replaced[len++] = ';'; |
replaced[len++] = ';'; |
| } | } else { |
| } | /* we did not find an entity for this char. |
| if (!matches_map) { | * check for its validity, if its valid pass it unchanged */ |
| int is_basic = 0; | if (flags & ENT_HTML_SUBSTITUTE_DISALLOWED_CHARS) { |
| if (CHARSET_UNICODE_COMPAT(charset)) { |
| if (this_char == '&') { | if (!unicode_cp_is_allowed(this_char, doctype)) { |
| if (double_encode) { | mbsequence = replacement; |
| encode_amp: | mbseqlen = replacement_len; |
| memcpy(replaced + len, "&", sizeof("&") - 1); | } |
| len += sizeof("&") - 1; | } else if (to_uni_table) { |
| } else { | if (!all) /* otherwise we already did this */ |
| char *e = memchr(old + i, ';', oldlen - i); | map_to_unicode(this_char, to_uni_table, &this_char); |
| char *s = old + i; | if (!unicode_cp_is_allowed(this_char, doctype)) { |
| mbsequence = replacement; |
| if (!e || (e - s) > 10) { /* minor optimization to avoid "entities" over 10 chars in length */ | mbseqlen = replacement_len; |
| goto encode_amp; | } |
| } else { |
} else { |
| if (*s == '#') { /* numeric entities */ | /* not a unicode code point, unless, coincidentally, it's in |
| s++; | * the 0x20..0x7D range (except 0x5C in sjis). We know nothing |
| /* Hex (Z) */ | * about other code points, because we have no tables. Since |
| if (*s == 'x' || *s == 'X') { | * Unicode code points in that range are not disallowed in any |
| s++; | * document type, we could do nothing. However, conversion |
| while (s < e) { | * tables frequently map 0x00-0x1F to the respective C0 code |
| if (!isxdigit((int)*(unsigned char *)s++)) { | * points. Let's play it safe and admit that's the case */ |
| goto encode_amp; | if (this_char <= 0x7D && |
| } | !unicode_cp_is_allowed(this_char, doctype)) { |
| } | mbsequence = replacement; |
| /* Dec (Z)*/ | mbseqlen = replacement_len; |
| } else { | |
| while (s < e) { | |
| if (!isdigit((int)*(unsigned char *)s++)) { | |
| goto encode_amp; | |
| } | |
| } | |
| } | |
| } else { /* text entities */ | |
| while (s < e) { | |
| if (!isalnum((int)*(unsigned char *)s++)) { | |
| goto encode_amp; | |
| } | |
| } | |
| } |
} |
| replaced[len++] = '&'; |
|
| } |
} |
| } |
} |
| is_basic = 1; | pass_char_through: |
| } else { | |
| for (j = 0; basic_entities[j].charcode != 0; j++) { | |
| if ((basic_entities[j].charcode != this_char) || | |
| (basic_entities[j].flags && | |
| (quote_style & basic_entities[j].flags) == 0)) { | |
| continue; | |
| } | |
| |
| memcpy(replaced + len, basic_entities[j].entity, basic_entities[j].entitylen); | |
| len += basic_entities[j].entitylen; | |
| | |
| is_basic = 1; | |
| break; | |
| } | |
| } | |
| |
| if (!is_basic) { | |
| /* a wide char without a named entity; pass through the original sequence */ | |
| if (mbseqlen > 1) { |
if (mbseqlen > 1) { |
| memcpy(replaced + len, mbsequence, mbseqlen); |
memcpy(replaced + len, mbsequence, mbseqlen); |
| len += mbseqlen; |
len += mbseqlen; |
| } else { |
} else { |
| replaced[len++] = (unsigned char)this_char; | replaced[len++] = mbsequence[0]; |
| } |
} |
| } |
} |
| |
} else { /* this_char == '&' */ |
| |
if (double_encode) { |
| |
encode_amp: |
| |
memcpy(&replaced[len], "&", sizeof("&") - 1); |
| |
len += sizeof("&") - 1; |
| |
} else { /* no double encode */ |
| |
/* check if entity is valid */ |
| |
size_t ent_len; /* not counting & or ; */ |
| |
/* peek at next char */ |
| |
if (old[cursor] == '#') { /* numeric entity */ |
| |
unsigned code_point; |
| |
int valid; |
| |
char *pos = (char*)&old[cursor+1]; |
| |
valid = process_numeric_entity((const char **)&pos, &code_point); |
| |
if (valid == FAILURE) |
| |
goto encode_amp; |
| |
if (flags & ENT_HTML_SUBSTITUTE_DISALLOWED_CHARS) { |
| |
if (!numeric_entity_is_allowed(code_point, doctype)) |
| |
goto encode_amp; |
| |
} |
| |
ent_len = pos - (char*)&old[cursor]; |
| |
} else { /* named entity */ |
| |
/* check for vality of named entity */ |
| |
const char *start = &old[cursor], |
| |
*next = start; |
| |
unsigned dummy1, dummy2; |
| |
|
| |
if (process_named_entity_html(&next, &start, &ent_len) == FAILURE) |
| |
goto encode_amp; |
| |
if (resolve_named_entity_html(start, ent_len, inv_map, &dummy1, &dummy2) == FAILURE) { |
| |
if (!(doctype == ENT_HTML_DOC_XHTML && ent_len == 4 && start[0] == 'a' |
| |
&& start[1] == 'p' && start[2] == 'o' && start[3] == 's')) { |
| |
/* uses html4 inv_map, which doesn't include apos;. This is a |
| |
* hack to support it */ |
| |
goto encode_amp; |
| |
} |
| |
} |
| |
} |
| |
/* checks passed; copy entity to result */ |
| |
/* entity size is unbounded, we may need more memory */ |
| |
/* at this point maxlen - len >= 40 */ |
| |
if (maxlen - len < ent_len + 2 /* & and ; */) { |
| |
/* ent_len < oldlen, which is certainly <= SIZE_MAX/2 */ |
| |
replaced = safe_erealloc(replaced, maxlen, 1, ent_len + 128 + 1); |
| |
maxlen += ent_len + 128; |
| |
} |
| |
replaced[len++] = '&'; |
| |
memcpy(&replaced[len], &old[cursor], ent_len); |
| |
len += ent_len; |
| |
replaced[len++] = ';'; |
| |
cursor += ent_len + 1; |
| |
} |
| } |
} |
| } |
} |
| replaced[len] = '\0'; |
replaced[len] = '\0'; |
| *newlen = len; |
*newlen = len; |
| |
|
| return replaced; |
return replaced; |
| |
|
| |
|
| } |
} |
| /* }}} */ |
/* }}} */ |
| |
|
|
Line 1273 static void php_html_entities(INTERNAL_FUNCTION_PARAME
|
Line 1434 static void php_html_entities(INTERNAL_FUNCTION_PARAME
|
| { |
{ |
| char *str, *hint_charset = NULL; |
char *str, *hint_charset = NULL; |
| int str_len, hint_charset_len = 0; |
int str_len, hint_charset_len = 0; |
| int len; | size_t new_len; |
| long quote_style = ENT_COMPAT; | long flags = ENT_COMPAT; |
| char *replaced; |
char *replaced; |
| zend_bool double_encode = 1; |
zend_bool double_encode = 1; |
| |
|
| 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) { | if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|ls!b", &str, &str_len, &flags, &hint_charset, &hint_charset_len, &double_encode) == FAILURE) { |
| return; |
return; |
| } |
} |
| |
|
| replaced = php_escape_html_entities_ex(str, str_len, &len, all, quote_style, hint_charset, double_encode TSRMLS_CC); | replaced = php_escape_html_entities_ex(str, str_len, &new_len, all, (int) flags, hint_charset, double_encode TSRMLS_CC); |
| RETVAL_STRINGL(replaced, len, 0); | RETVAL_STRINGL(replaced, (int)new_len, 0); |
| } |
} |
| /* }}} */ |
/* }}} */ |
| |
|
|
Line 1300 void register_html_constants(INIT_FUNC_ARGS)
|
Line 1461 void register_html_constants(INIT_FUNC_ARGS)
|
| REGISTER_LONG_CONSTANT("ENT_QUOTES", ENT_QUOTES, CONST_PERSISTENT|CONST_CS); |
REGISTER_LONG_CONSTANT("ENT_QUOTES", ENT_QUOTES, CONST_PERSISTENT|CONST_CS); |
| REGISTER_LONG_CONSTANT("ENT_NOQUOTES", ENT_NOQUOTES, CONST_PERSISTENT|CONST_CS); |
REGISTER_LONG_CONSTANT("ENT_NOQUOTES", ENT_NOQUOTES, CONST_PERSISTENT|CONST_CS); |
| REGISTER_LONG_CONSTANT("ENT_IGNORE", ENT_IGNORE, CONST_PERSISTENT|CONST_CS); |
REGISTER_LONG_CONSTANT("ENT_IGNORE", ENT_IGNORE, CONST_PERSISTENT|CONST_CS); |
| |
REGISTER_LONG_CONSTANT("ENT_SUBSTITUTE", ENT_SUBSTITUTE, CONST_PERSISTENT|CONST_CS); |
| |
REGISTER_LONG_CONSTANT("ENT_DISALLOWED", ENT_DISALLOWED, CONST_PERSISTENT|CONST_CS); |
| |
REGISTER_LONG_CONSTANT("ENT_HTML401", ENT_HTML401, CONST_PERSISTENT|CONST_CS); |
| |
REGISTER_LONG_CONSTANT("ENT_XML1", ENT_XML1, CONST_PERSISTENT|CONST_CS); |
| |
REGISTER_LONG_CONSTANT("ENT_XHTML", ENT_XHTML, CONST_PERSISTENT|CONST_CS); |
| |
REGISTER_LONG_CONSTANT("ENT_HTML5", ENT_HTML5, CONST_PERSISTENT|CONST_CS); |
| } |
} |
| /* }}} */ |
/* }}} */ |
| |
|
|
Line 1315 PHP_FUNCTION(htmlspecialchars)
|
Line 1482 PHP_FUNCTION(htmlspecialchars)
|
| Convert special HTML entities back to characters */ |
Convert special HTML entities back to characters */ |
| PHP_FUNCTION(htmlspecialchars_decode) |
PHP_FUNCTION(htmlspecialchars_decode) |
| { |
{ |
| char *str, *new_str, *e, *p; | char *str; |
| int len, j, i, new_len; | int str_len; |
| | size_t new_len = 0; |
| long quote_style = ENT_COMPAT; |
long quote_style = ENT_COMPAT; |
| struct basic_entities_dec basic_entities_dec[8]; | char *replaced; |
| |
|
| if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|l", &str, &len, "e_style) == FAILURE) { | if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|l", &str, &str_len, "e_style) == FAILURE) { |
| return; |
return; |
| } |
} |
| |
|
| new_str = estrndup(str, len); | replaced = php_unescape_html_entities(str, str_len, &new_len, 0 /*!all*/, quote_style, NULL TSRMLS_CC); |
| new_len = len; | if (replaced) { |
| e = new_str + new_len; | RETURN_STRINGL(replaced, (int)new_len, 0); |
| |
| if (!(p = memchr(new_str, '&', new_len))) { | |
| RETURN_STRINGL(new_str, new_len, 0); | |
| } |
} |
| RETURN_FALSE; |
| for (j = 0, i = 0; basic_entities[i].charcode != 0; i++) { | |
| if (basic_entities[i].flags && !(quote_style & basic_entities[i].flags)) { | |
| continue; | |
| } | |
| basic_entities_dec[j].charcode = basic_entities[i].charcode; | |
| memcpy(basic_entities_dec[j].entity, basic_entities[i].entity, basic_entities[i].entitylen + 1); | |
| basic_entities_dec[j].entitylen = basic_entities[i].entitylen; | |
| j++; | |
| } | |
| basic_entities_dec[j].charcode = '&'; | |
| basic_entities_dec[j].entitylen = sizeof("&") - 1; | |
| memcpy(basic_entities_dec[j].entity, "&", sizeof("&")); | |
| i = j + 1; | |
| | |
| do { | |
| int l = e - p; | |
| | |
| for (j = 0; j < i; j++) { | |
| if (basic_entities_dec[j].entitylen > l) { | |
| continue; | |
| } | |
| if (!memcmp(p, basic_entities_dec[j].entity, basic_entities_dec[j].entitylen)) { | |
| int e_len = basic_entities_dec[j].entitylen - 1; | |
| | |
| *p++ = basic_entities_dec[j].charcode; | |
| memmove(p, p + e_len, (e - p - e_len)); | |
| e -= e_len; | |
| goto done; | |
| } | |
| } | |
| p++; | |
| |
| done: | |
| if (p >= e) { | |
| break; | |
| } | |
| } while ((p = memchr(p, '&', (e - p)))); | |
| |
| new_len = e - new_str; | |
| |
| new_str[new_len] = '\0'; | |
| RETURN_STRINGL(new_str, new_len, 0); | |
| } |
} |
| /* }}} */ |
/* }}} */ |
| |
|
|
Line 1382 done:
|
Line 1505 done:
|
| PHP_FUNCTION(html_entity_decode) |
PHP_FUNCTION(html_entity_decode) |
| { |
{ |
| char *str, *hint_charset = NULL; |
char *str, *hint_charset = NULL; |
| int str_len, hint_charset_len = 0, len; | int str_len, hint_charset_len = 0; |
| | size_t new_len = 0; |
| long quote_style = ENT_COMPAT; |
long quote_style = ENT_COMPAT; |
| char *replaced; |
char *replaced; |
| |
|
|
Line 1391 PHP_FUNCTION(html_entity_decode)
|
Line 1515 PHP_FUNCTION(html_entity_decode)
|
| return; |
return; |
| } |
} |
| |
|
| replaced = php_unescape_html_entities(str, str_len, &len, 1, quote_style, hint_charset TSRMLS_CC); | replaced = php_unescape_html_entities(str, str_len, &new_len, 1 /*all*/, quote_style, hint_charset TSRMLS_CC); |
| if (replaced) { |
if (replaced) { |
| RETURN_STRINGL(replaced, len, 0); | RETURN_STRINGL(replaced, (int)new_len, 0); |
| } |
} |
| RETURN_FALSE; |
RETURN_FALSE; |
| } |
} |
|
Line 1408 PHP_FUNCTION(htmlentities)
|
Line 1532 PHP_FUNCTION(htmlentities)
|
| } |
} |
| /* }}} */ |
/* }}} */ |
| |
|
| /* {{{ proto array get_html_translation_table([int table [, int quote_style [, string charset_hint]]]) | /* {{{ write_s3row_data */ |
| | static inline void write_s3row_data( |
| | const entity_stage3_row *r, |
| | unsigned orig_cp, |
| | enum entity_charset charset, |
| | zval *arr) |
| | { |
| | char key[9] = ""; /* two unicode code points in UTF-8 */ |
| | char entity[LONGEST_ENTITY_LENGTH + 2] = {'&'}; |
| | size_t written_k1; |
| | |
| | written_k1 = write_octet_sequence(key, charset, orig_cp); |
| | |
| | if (!r->ambiguous) { |
| | size_t l = r->data.ent.entity_len; |
| | memcpy(&entity[1], r->data.ent.entity, l); |
| | entity[l + 1] = ';'; |
| | add_assoc_stringl_ex(arr, key, written_k1 + 1, entity, l + 2, 1); |
| | } else { |
| | unsigned i, |
| | num_entries; |
| | const entity_multicodepoint_row *mcpr = r->data.multicodepoint_table; |
| | |
| | if (mcpr[0].leading_entry.default_entity != NULL) { |
| | size_t l = mcpr[0].leading_entry.default_entity_len; |
| | memcpy(&entity[1], mcpr[0].leading_entry.default_entity, l); |
| | entity[l + 1] = ';'; |
| | add_assoc_stringl_ex(arr, key, written_k1 + 1, entity, l + 2, 1); |
| | } |
| | num_entries = mcpr[0].leading_entry.size; |
| | for (i = 1; i <= num_entries; i++) { |
| | size_t l, |
| | written_k2; |
| | unsigned uni_cp, |
| | spe_cp; |
| | |
| | uni_cp = mcpr[i].normal_entry.second_cp; |
| | l = mcpr[i].normal_entry.entity_len; |
| | |
| | if (!CHARSET_UNICODE_COMPAT(charset)) { |
| | if (map_from_unicode(uni_cp, charset, &spe_cp) == FAILURE) |
| | continue; /* non representable in this charset */ |
| | } else { |
| | spe_cp = uni_cp; |
| | } |
| | |
| | written_k2 = write_octet_sequence(&key[written_k1], charset, spe_cp); |
| | memcpy(&entity[1], mcpr[i].normal_entry.entity, l); |
| | entity[l + 1] = ';'; |
| | entity[l + 1] = '\0'; |
| | add_assoc_stringl_ex(arr, key, written_k1 + written_k2 + 1, entity, l + 1, 1); |
| | } |
| | } |
| | } |
| | /* }}} */ |
| | |
| | /* {{{ proto array get_html_translation_table([int table [, int flags [, string charset_hint]]]) |
| Returns the internal translation table used by htmlspecialchars and htmlentities */ |
Returns the internal translation table used by htmlspecialchars and htmlentities */ |
| PHP_FUNCTION(get_html_translation_table) |
PHP_FUNCTION(get_html_translation_table) |
| { |
{ |
| long which = HTML_SPECIALCHARS, quote_style = ENT_COMPAT; | long all = HTML_SPECIALCHARS, |
| unsigned int i; | flags = ENT_COMPAT; |
| int j; | int doctype; |
| unsigned char ind[5]; /* max # of 8-bit code units (4; for UTF-8) + 1 for \0 */ | entity_table_opt entity_table; |
| void *dummy; | const enc_to_uni *to_uni_table = NULL; |
| char *charset_hint = NULL; |
char *charset_hint = NULL; |
| int charset_hint_len; |
int charset_hint_len; |
| enum entity_charset charset; |
enum entity_charset charset; |
| |
|
| |
/* in this function we have to jump through some loops because we're |
| |
* getting the translated table from data structures that are optimized for |
| |
* random access, not traversal */ |
| |
|
| if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|lls", |
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|lls", |
| &which, "e_style, &charset_hint, &charset_hint_len) == FAILURE) { | &all, &flags, &charset_hint, &charset_hint_len) == FAILURE) { |
| return; |
return; |
| } |
} |
| |
|
| charset = determine_charset(charset_hint TSRMLS_CC); |
charset = determine_charset(charset_hint TSRMLS_CC); |
| |
doctype = flags & ENT_HTML_DOC_TYPE_MASK; |
| |
LIMIT_ALL(all, doctype, charset); |
| |
|
| array_init(return_value); |
array_init(return_value); |
| |
|
| |
entity_table = determine_entity_table(all, doctype); |
| |
if (all && !CHARSET_UNICODE_COMPAT(charset)) { |
| |
to_uni_table = enc_to_uni_index[charset]; |
| |
} |
| |
|
| switch (which) { | if (all) { /* HTML_ENTITIES (actually, any non-zero value for 1st param) */ |
| case HTML_ENTITIES: | const entity_stage1_row *ms_table = entity_table.ms_table; |
| for (j = 0; entity_map[j].charset != cs_terminator; j++) { | |
| if (entity_map[j].charset != charset) | |
| continue; | |
| for (i = 0; i <= entity_map[j].endchar - entity_map[j].basechar; i++) { | |
| char buffer[16]; | |
| unsigned k; | |
| size_t written; | |
| |
|
| if (entity_map[j].table[i] == NULL) | if (CHARSET_UNICODE_COMPAT(charset)) { |
| | unsigned i, j, k, |
| | max_i, max_j, max_k; |
| | /* no mapping to unicode required */ |
| | if (CHARSET_SINGLE_BYTE(charset)) { /* ISO-8859-1 */ |
| | max_i = 1; max_j = 4; max_k = 64; |
| | } else { |
| | max_i = 0x1E; max_j = 64; max_k = 64; |
| | } |
| | |
| | for (i = 0; i < max_i; i++) { |
| | if (ms_table[i] == empty_stage2_table) |
| continue; |
continue; |
| | for (j = 0; j < max_j; j++) { |
| k = i + entity_map[j].basechar; | if (ms_table[i][j] == empty_stage3_table) |
| | continue; |
| | for (k = 0; k < max_k; k++) { |
| | const entity_stage3_row *r = &ms_table[i][j][k]; |
| | unsigned code; |
| |
|
| switch (charset) { | if (r->data.ent.entity == NULL) |
| case cs_utf_8: | continue; |
| written = php_utf32_utf8(ind, k); | |
| ind[written] = '\0'; | |
| break; | |
| case cs_big5: | |
| case cs_gb2312: | |
| case cs_big5hkscs: | |
| case cs_sjis: | |
| /* we have no mappings for these, but if we had... */ | |
| /* break through */ | |
| default: /* one byte */ | |
| written = 1; | |
| ind[0] = (unsigned char)k; | |
| ind[1] = '\0'; | |
| break; | |
| } | |
| |
|
| snprintf(buffer, sizeof(buffer), "&%s;", entity_map[j].table[i]); | code = ENT_CODE_POINT_FROM_STAGES(i, j, k); |
| if (zend_hash_find(Z_ARRVAL_P(return_value), (const char*)ind, written+1, &dummy) == FAILURE) { | if (((code == '\'' && !(flags & ENT_HTML_QUOTE_SINGLE)) || |
| /* in case of the single quote, which is repeated, the first one wins, | (code == '"' && !(flags & ENT_HTML_QUOTE_DOUBLE)))) |
| * so don't replace the existint mapping */ | continue; |
| add_assoc_string(return_value, (const char*)ind, buffer, 1); | write_s3row_data(r, code, charset, return_value); |
| | } |
| } |
} |
| } |
} |
| } | } else { |
| /* break thru */ | /* we have to iterate through the set of code points for this |
| | * encoding and map them to unicode code points */ |
| | unsigned i; |
| | for (i = 0; i <= 0xFF; i++) { |
| | const entity_stage3_row *r; |
| | unsigned uni_cp; |
| |
|
| case HTML_SPECIALCHARS: | /* can be done before mapping, they're invariant */ |
| add_assoc_stringl(return_value, "&", "&", sizeof("&") - 1, 1); | if (((i == '\'' && !(flags & ENT_HTML_QUOTE_SINGLE)) || |
| for (j = 0; basic_entities[j].charcode != 0; j++) { | (i == '"' && !(flags & ENT_HTML_QUOTE_DOUBLE)))) |
| if (basic_entities[j].flags && (quote_style & basic_entities[j].flags) == 0) | continue; |
| continue; | |
| | map_to_unicode(i, to_uni_table, &uni_cp); |
| ind[0] = (unsigned char)basic_entities[j].charcode; | r = &ms_table[ENT_STAGE1_INDEX(uni_cp)][ENT_STAGE2_INDEX(uni_cp)][ENT_STAGE3_INDEX(uni_cp)]; |
| ind[1] = '\0'; | if (r->data.ent.entity == NULL) |
| if (zend_hash_find(Z_ARRVAL_P(return_value), (const char*)ind, 2, &dummy) == FAILURE) { | continue; |
| add_assoc_stringl(return_value, ind, basic_entities[j].entity, | |
| basic_entities[j].entitylen, 1); | write_s3row_data(r, i, charset, return_value); |
| } |
} |
| } |
} |
| |
} else { |
| |
/* we could use sizeof(stage3_table_be_apos_00000) as well */ |
| |
unsigned j, |
| |
numelems = sizeof(stage3_table_be_noapos_00000) / |
| |
sizeof(*stage3_table_be_noapos_00000); |
| |
|
| break; | for (j = 0; j < numelems; j++) { |
| | const entity_stage3_row *r = &entity_table.table[j]; |
| | if (r->data.ent.entity == NULL) |
| | continue; |
| | |
| | if (((j == '\'' && !(flags & ENT_HTML_QUOTE_SINGLE)) || |
| | (j == '"' && !(flags & ENT_HTML_QUOTE_DOUBLE)))) |
| | continue; |
| | |
| | /* charset is indifferent, used cs_8859_1 for efficiency */ |
| | write_s3row_data(r, j, cs_8859_1, return_value); |
| | } |
| } |
} |
| } |
} |
| /* }}} */ |
/* }}} */ |
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