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f5e81fe182
We're currently using a libxml buffer, which requires copying the buffer to zend_strings every time we want to output the string. Furthermore, its use of the system allocator instead of ZendMM makes it not count towards the memory_limit and hinders performance. This patch adds a custom writer such that the strings are written to a smart_str instance, using ZendMM for improved performance, and giving the ability to not copy the string in the common case where flush has empty set to true. Closes GH-16120.
48 lines
1.8 KiB
C
48 lines
1.8 KiB
C
/*
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+----------------------------------------------------------------------+
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| Copyright (c) The PHP Group |
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+----------------------------------------------------------------------+
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| This source file is subject to version 3.01 of the PHP license, |
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| that is bundled with this package in the file LICENSE, and is |
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| available through the world-wide-web at the following url: |
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| https://www.php.net/license/3_01.txt |
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| If you did not receive a copy of the PHP license and are unable to |
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| obtain it through the world-wide-web, please send a note to |
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| license@php.net so we can mail you a copy immediately. |
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+----------------------------------------------------------------------+
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| Author: Rob Richards <rrichards@php.net> |
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| Pierre-A. Joye <pajoye@php.net> |
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+----------------------------------------------------------------------+
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*/
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#ifndef PHP_XMLWRITER_H
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#define PHP_XMLWRITER_H
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extern zend_module_entry xmlwriter_module_entry;
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#define phpext_xmlwriter_ptr &xmlwriter_module_entry
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#include "php_version.h"
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#define PHP_XMLWRITER_VERSION PHP_VERSION
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#ifdef ZTS
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#include "TSRM.h"
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#endif
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#include <libxml/tree.h>
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#include <libxml/xmlwriter.h>
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#include <libxml/uri.h>
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/* Extends zend object */
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typedef struct _ze_xmlwriter_object {
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xmlTextWriterPtr ptr;
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smart_str *output;
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zend_object std;
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} ze_xmlwriter_object;
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static inline ze_xmlwriter_object *php_xmlwriter_fetch_object(zend_object *obj) {
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return (ze_xmlwriter_object *)((char*)(obj) - XtOffsetOf(ze_xmlwriter_object, std));
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}
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#define Z_XMLWRITER_P(zv) php_xmlwriter_fetch_object(Z_OBJ_P((zv)))
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#endif /* PHP_XMLWRITER_H */
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