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https://github.com/php/php-src.git
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131 lines
4.5 KiB
C
131 lines
4.5 KiB
C
/*
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+----------------------------------------------------------------------+
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| PHP HTML Embedded Scripting Language Version 3.0 |
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+----------------------------------------------------------------------+
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| Copyright (c) 1997,1998 PHP Development Team (See Credits file) |
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+----------------------------------------------------------------------+
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| This program is free software; you can redistribute it and/or modify |
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| it under the terms of one of the following licenses: |
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| A) the GNU General Public License as published by the Free Software |
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| Foundation; either version 2 of the License, or (at your option) |
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| any later version. |
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| |
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| B) the PHP License as published by the PHP Development Team and |
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| included in the distribution in the file: LICENSE |
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| This program is distributed in the hope that it will be useful, |
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| but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| GNU General Public License for more details. |
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| |
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| You should have received a copy of both licenses referred to here. |
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| If you did not, or have any questions about PHP licensing, please |
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| contact core@php.net. |
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+----------------------------------------------------------------------+
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| Authors: Rasmus Lerdorf <rasmus@lerdorf.on.ca> |
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| Jaakko Hyvätti <jaakko.hyvatti@iki.fi> |
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+----------------------------------------------------------------------+
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*/
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#include "php.h"
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#include "reg.h"
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#include "html.h"
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/* This must be fixed to handle the input string according to LC_CTYPE.
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Defaults to ISO-8859-1 for now. */
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static char EntTable[][7] =
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{
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"nbsp","iexcl","cent","pound","curren","yen","brvbar",
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"sect","uml","copy","ordf","laquo","not","shy","reg",
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"macr","deg","plusmn","sup2","sup3","acute","micro",
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"para","middot","cedil","sup1","ordm","raquo","frac14",
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"frac12","frac34","iquest","Agrave","Aacute","Acirc",
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"Atilde","Auml","Aring","AElig","Ccedil","Egrave",
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"Eacute","Ecirc","Euml","Igrave","Iacute","Icirc",
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"Iuml","ETH","Ntilde","Ograve","Oacute","Ocirc","Otilde",
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"Ouml","times","Oslash","Ugrave","Uacute","Ucirc","Uuml",
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"Yacute","THORN","szlig","agrave","aacute","acirc",
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"atilde","auml","aring","aelig","ccedil","egrave",
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"eacute","ecirc","euml","igrave","iacute","icirc",
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"iuml","eth","ntilde","ograve","oacute","ocirc","otilde",
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"ouml","divide","oslash","ugrave","uacute","ucirc",
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"uuml","yacute","thorn","yuml"
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};
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static void _php3_htmlentities(INTERNAL_FUNCTION_PARAMETERS, int all)
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{
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pval *arg;
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int i, len, maxlen;
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unsigned char *old;
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char *new;
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if (ARG_COUNT(ht) != 1 || getParameters(ht, 1, &arg) == FAILURE) {
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WRONG_PARAM_COUNT;
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}
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convert_to_string(arg);
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maxlen = 2 * arg->value.str.len;
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if (maxlen < 128)
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maxlen = 128;
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new = emalloc (maxlen);
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len = 0;
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old = (unsigned char *)arg->value.str.val;
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i = arg->value.str.len;
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while (i--) {
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if (len + 9 > maxlen)
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new = erealloc (new, maxlen += 128);
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if (38 == *old) {
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memcpy (new + len, "&", 5);
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len += 5;
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} else if (34 == *old) {
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memcpy (new + len, """, 6);
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len += 6;
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} else if (60 == *old) {
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memcpy (new + len, "<", 4);
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len += 4;
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} else if (62 == *old) {
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memcpy (new + len, ">", 4);
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len += 4;
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} else if (all && 160 <= *old) {
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new [len++] = '&';
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strcpy (new + len, EntTable [*old - 160]);
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len += strlen (EntTable [*old - 160]);
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new [len++] = ';';
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} else {
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new [len++] = *old;
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}
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old++;
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}
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new [len] = '\0';
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RETVAL_STRINGL(new,len,1);
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efree(new);
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}
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/* {{{ proto string htmlspecialchars(string string)
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Convert special characters to HTML entities */
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PHP_FUNCTION(htmlspecialchars)
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{
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_php3_htmlentities(INTERNAL_FUNCTION_PARAM_PASSTHRU,0);
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}
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/* }}} */
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/* {{{ proto string htmlentities(string string)
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Convert all applicable characters to HTML entities */
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PHP_FUNCTION(htmlentities)
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{
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_php3_htmlentities(INTERNAL_FUNCTION_PARAM_PASSTHRU,1);
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}
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/* }}} */
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/*
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* Local variables:
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* tab-width: 4
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* c-basic-offset: 4
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* End:
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*/
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