1999-05-21 21:17:23 +08:00
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/*
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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) 1997-1999 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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| |
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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: Andrey Zmievski <andrey@ispi.net> |
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+----------------------------------------------------------------------+
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*/
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/* $Id$ */
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#ifndef _PHP_PCRE_H
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#define _PHP_PCRE_H
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1999-05-27 21:59:39 +08:00
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#if HAVE_PCRE
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1999-05-21 21:17:23 +08:00
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1999-05-27 09:19:00 +08:00
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#include "pcrelib/pcre.h"
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1999-07-21 04:57:04 +08:00
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#if HAVE_LOCALE_H
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#include <locale.h>
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#endif
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1999-05-21 21:17:23 +08:00
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A few changes here.
First of all, as per extensive discussion on the list, the functions are now
prefixed with "preg" instead of "pcre".
Secondly, global matching is now possible using preg_match_all. Please, give
suggestions on a better name if this one doesn't sit well with you. Possible
names are preg_global_match and preg_gmatch.
preg_match_all takes 4 arguments: a regex pattern, a subject string,
the array for capturing subpatterns, and a parameter that tells how the results
in the subpatterns array are arranged.
Basically, preg_match_all will go through the subject string and try to capture
all the matches that it finds, not just the first one like preg_match.
4th parameter can be PREG_PATTERN_ORDER (default) or PREG_SET_ORDER.
Example:
preg_match_all("|</?([^>]+)>|", "<div align=left>a test</div>", $out, PREG_PATTERN_ORDER);
This returns results so that $out[0] is an array of full pattern matches, $out[1] is an array
of first captured subpattern matches, and so on.
$out[0] -> ("<div align=left>", "</div>")
$out[1] -> ("div align=left", "div")
Example:
preg_match_all("|</?([^>]+)>|", "<div align=left>a test</div>", $out, PREG_SET_ORDER);
This returns results so that $out[0] is an array of first full pattern match and subpatterns,
$out[1] is an array of second full pattern match and subpatterns.
$out[0] -> ("<div align=left>", "div align=left")
$out[1] -> ("</div>", "div")
If anyone has a better name for these PREG_ constants and also which one should be the default,
I'd like to hear it.
1999-05-26 23:22:02 +08:00
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PHP_FUNCTION(preg_match);
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PHP_FUNCTION(preg_match_all);
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PHP_FUNCTION(preg_replace);
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1999-05-27 02:59:04 +08:00
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PHP_FUNCTION(preg_split);
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1999-06-04 21:56:23 +08:00
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PHP_FUNCTION(preg_quote);
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1999-06-10 22:41:38 +08:00
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PHP_FUNCTION(preg_grep);
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1999-05-21 21:17:23 +08:00
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extern zend_module_entry pcre_module_entry;
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#define pcre_module_ptr &pcre_module_entry
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1999-05-22 03:27:44 +08:00
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typedef struct {
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1999-05-27 21:59:39 +08:00
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pcre *re;
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pcre_extra *extra;
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1999-07-05 23:25:51 +08:00
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int preg_options;
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1999-07-21 04:57:04 +08:00
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#if HAVE_SETLOCALE
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char *locale;
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unsigned const char *tables;
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#endif
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1999-05-22 03:27:44 +08:00
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} pcre_cache_entry;
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typedef struct {
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HashTable pcre_cache;
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} php_pcre_globals;
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#ifdef ZTS
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# define PCRE_LS_D php_pcre_globals *pcre_globals
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# define PCRE_LS_DC , PCRE_LS_D
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# define PCRE_LS_C pcre_globals
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# define PCRE_LS_CC , PCRE_LS_C
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# define PCRE_G(v) (pcre_globals->v)
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# define PCRE_LS_FETCH() php_pcre_globals *pcre_globals = ts_resource(pcre_globals_id);
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#else
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# define PCRE_LS_D
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# define PCRE_LS_DC
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# define PCRE_LS_C
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# define PCRE_LS_CC
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# define PCRE_G(v) (pcre_globals.v)
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# define PCRE_LS_FETCH()
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extern ZEND_API php_pcre_globals pcre_globals;
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#endif
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1999-05-21 21:17:23 +08:00
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#else
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#define pcre_module_ptr NULL
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1999-05-27 21:59:39 +08:00
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#endif /* HAVE_PCRE */
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1999-05-21 21:17:23 +08:00
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#define phpext_pcre_ptr pcre_module_ptr
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#endif /* _PHP_PCRE_H */
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