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Add libxml extension for common code that is needed to be shared between 

various xml extensions.  currently the only implemented support is the
addition of the streams support for libxml.  One new function,
libxml_set_streams_context, which allows a streams context to bet set
prior to loading or writing documents.  This works transparently with any
extension that uses libxml.  All ini settings that effect streams will
also now effect the loading and writing of xml documents.

TODO: linux support, not sure if config.m4 will work right.
PEAR_1_4DEV
Shane Caraveo 22 years ago
parent
3a6ff32e2b
commit
399095e7a5
6 changed files with 334 additions and 4 deletions
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  1. 2
      ext/libxml/CREDITS
  2. 23
      ext/libxml/config.m4
  3. 217
      ext/libxml/libxml.c
  4. 66
      ext/libxml/php_libxml.h
  5. 2
      main/internal_functions_win32.c
  6. 28
      win32/php4dllts.dsp

2
ext/libxml/CREDITS
View File

@ -0,0 +1,2 @@
LIBXML
Christian Stocker, Rob Richards, Marcus Boerger, Wez Furlong, Shane Caraveo

23
ext/libxml/config.m4
View File

@ -0,0 +1,23 @@
dnl
dnl $Id$
dnl
PHP_ARG_ENABLE(libxml, whether to enable LIBXML support,
[ --disable-libxml Disable new LIBXML support.], yes)
if test -z "$PHP_LIBXML_DIR"; then
PHP_ARG_WITH(libxml-dir, libxml2 install dir,
[ --with-libxml-dir[=DIR] libxml2 install prefix.], no, no)
fi
if test "$PHP_LIBXML" != "no"; then
PHP_SETUP_LIBXML(LIBXML_SHARED_LIBADD, [
AC_DEFINE(HAVE_LIBXML,1,[ ])
PHP_NEW_EXTENSION(libxml, [libxml.c],
$ext_shared)
PHP_SUBST(LIBXML_SHARED_LIBADD)
], [
AC_MSG_ERROR([xml2-config not found. Please check your libxml2 installation.])
])
fi

217
ext/libxml/libxml.c
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@ -0,0 +1,217 @@
/*
+----------------------------------------------------------------------+
| PHP Version 4 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2003 The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 3.0 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.php.net/license/3_0.txt. |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@php.net so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Authors: Shane Caraveo <shane@php.net> |
| Wez Furlong <wez@thebrainroom.com> |
+----------------------------------------------------------------------+
*/
/* $Id$ */
#define IS_EXT_MODULE
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "php.h"
#define PHP_XML_INTERNAL
#include "zend_variables.h"
#include "ext/standard/php_string.h"
#include "ext/standard/info.h"
#if HAVE_LIBXML
#include <libxml/parser.h>
#include <libxml/parserInternals.h>
#include <libxml/tree.h>
#include <libxml/uri.h>
#include <libxml/xmlerror.h>
#include "php_libxml.h"
#ifdef ZTS
int libxml_globals_id;
#else
PHP_LIBXML_API php_libxml_globals libxml_globals;
#endif
/* {{{ dynamically loadable module stuff */
#ifdef COMPILE_DL_LIBXML
ZEND_GET_MODULE(libxml)
# ifdef PHP_WIN32
# include "zend_arg_defs.c"
# endif
#endif /* COMPILE_DL_LIBXML */
/* }}} */
/* {{{ function prototypes */
PHP_MINIT_FUNCTION(libxml);
PHP_RINIT_FUNCTION(libxml);
PHP_MSHUTDOWN_FUNCTION(libxml);
PHP_RSHUTDOWN_FUNCTION(libxml);
PHP_MINFO_FUNCTION(libxml);
/* }}} */
/* {{{ extension definition structures */
function_entry libxml_functions[] = {
PHP_FE(libxml_set_streams_context, NULL)
{NULL, NULL, NULL}
};
zend_module_entry libxml_module_entry = {
STANDARD_MODULE_HEADER,
"libxml", /* extension name */
libxml_functions, /* extension function list */
PHP_MINIT(libxml), /* extension-wide startup function */
PHP_MSHUTDOWN(libxml), /* extension-wide shutdown function */
PHP_RINIT(libxml), /* per-request startup function */
PHP_RSHUTDOWN(libxml), /* per-request shutdown function */
PHP_MINFO(libxml), /* information function */
NO_VERSION_YET,
STANDARD_MODULE_PROPERTIES
};
/* }}} */
/* {{{ startup, shutdown and info functions */
#ifdef ZTS
static void php_libxml_init_globals(php_libxml_globals *libxml_globals_p TSRMLS_DC)
{
LIBXML(stream_context) = NULL;
}
#endif
/* Channel libxml file io layer through the PHP streams subsystem.
* This allows use of ftps:// and https:// urls */
int php_libxml_streams_IO_match_wrapper(const char *filename)
{
TSRMLS_FETCH();
return php_stream_locate_url_wrapper(filename, NULL, STREAM_LOCATE_WRAPPERS_ONLY TSRMLS_CC) ? 1 : 0;
}
void *php_libxml_streams_IO_open_wrapper(const char *filename)
{
php_stream_context *context = NULL;
TSRMLS_FETCH();
if (LIBXML(stream_context)) {
context = zend_fetch_resource(&LIBXML(stream_context) TSRMLS_CC, -1, "Stream-Context", NULL, 1, php_le_stream_context());
return php_stream_open_wrapper_ex((char *)filename, "rb", ENFORCE_SAFE_MODE|REPORT_ERRORS, NULL, context);
}
return php_stream_open_wrapper((char *)filename, "rb", ENFORCE_SAFE_MODE|REPORT_ERRORS, NULL);
}
int php_libxml_streams_IO_read(void *context, char *buffer, int len)
{
TSRMLS_FETCH();
return php_stream_read((php_stream*)context, buffer, len);
}
int php_libxml_streams_IO_write(void *context, const char *buffer, int len)
{
TSRMLS_FETCH();
return php_stream_write((php_stream*)context, buffer, len);
}
int php_libxml_streams_IO_close(void *context)
{
TSRMLS_FETCH();
return php_stream_close((php_stream*)context);
}
PHP_MINIT_FUNCTION(libxml)
{
/* Enable php stream/wrapper support for libxml
we only use php streams, so we disable the libxml builtin
io support.
*/
xmlCleanupInputCallbacks();
xmlRegisterInputCallbacks(
php_libxml_streams_IO_match_wrapper,
php_libxml_streams_IO_open_wrapper,
php_libxml_streams_IO_read,
php_libxml_streams_IO_close);
xmlCleanupOutputCallbacks();
xmlRegisterOutputCallbacks(
php_libxml_streams_IO_match_wrapper,
php_libxml_streams_IO_open_wrapper,
php_libxml_streams_IO_write,
php_libxml_streams_IO_close);
#ifdef ZTS
ts_allocate_id(&libxml_globals_id, sizeof(php_libxml_globals), (ts_allocate_ctor) php_libxml_init_globals, NULL);
#else
LIBXML(stream_context) = NULL;
#endif
return SUCCESS;
}
PHP_RINIT_FUNCTION(libxml)
{
return SUCCESS;
}
PHP_MSHUTDOWN_FUNCTION(libxml)
{
return SUCCESS;
}
PHP_RSHUTDOWN_FUNCTION(libxml)
{
return SUCCESS;
}
PHP_MINFO_FUNCTION(libxml)
{
php_info_print_table_start();
php_info_print_table_row(2, "libXML support", "active");
php_info_print_table_row(2, "libXML Version", LIBXML_DOTTED_VERSION);
php_info_print_table_row(2, "libXML streams", "enabled");
php_info_print_table_end();
}
/* }}} */
/* {{{ proto void libxml_set_streams_context(resource streams_context)
Set the streams context for the next libxml document load or write */
PHP_FUNCTION(libxml_set_streams_context)
{
zval *arg;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z", &arg) == FAILURE) {
return;
}
LIBXML(stream_context) = arg;
}
/* }}} */
#endif
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* End:
* vim600: sw=4 ts=4 fdm=marker
* vim<600: sw=4 ts=4
*/

66
ext/libxml/php_libxml.h
View File

@ -0,0 +1,66 @@
/*
+----------------------------------------------------------------------+
| PHP Version 4 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2003 The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 3.0 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.php.net/license/3_0.txt. |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@php.net so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Authors: Shane Caraveo <shane@php.net> |
| Wez Furlong <wez@thebrainroom.com> |
+----------------------------------------------------------------------+
*/
/* $Id$ */
#ifndef PHP_LIBXML_H
#define PHP_LIBXML_H
#ifdef HAVE_LIBXML
extern zend_module_entry libxml_module_entry;
#define libxml_module_ptr &libxml_module_entry
#else
#define libxml_module_ptr NULL
#endif
#ifdef HAVE_LIBXML
#ifdef PHP_WIN32
#define PHP_LIBXML_API __declspec(dllexport)
#else
#define PHP_LIBXML_API
#endif
typedef struct {
zval *stream_context;
} php_libxml_globals;
PHP_FUNCTION(libxml_set_streams_context);
#endif /* HAVE_LIBXML */
#define phpext_libxml_ptr libxml_module_ptr
#ifdef ZTS
#define LIBXML(v) TSRMG(libxml_globals_id, php_libxml_globals *, v)
#else
#define LIBXML(v) (libxml_globals.v)
#endif
#endif /* PHP_LIBXML_H */
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* End:
*/

2
main/internal_functions_win32.c
View File

@ -81,6 +81,7 @@
#include "ext/zlib/php_zlib.h"
#endif
#if HAVE_LIBXML
#include "ext/libxml/php_libxml.h"
#if HAVE_DOM
#include "ext/dom/php_dom.h"
#endif
@ -136,6 +137,7 @@ zend_module_entry *php_builtin_extensions[] = {
,phpext_zlib_ptr
#endif
#if HAVE_LIBXML
,phpext_libxml_ptr
#if HAVE_DOM
,phpext_dom_ptr
#endif

28
win32/php4dllts.dsp
View File

@ -1847,10 +1847,6 @@ SOURCE=..\ext\standard\html.h
# End Source File
# Begin Source File
SOURCE=..\ext\standard\php_http.h
# End Source File
# Begin Source File
SOURCE=..\ext\standard\info.h
# End Source File
# Begin Source File
@ -1891,6 +1887,10 @@ SOURCE=..\ext\standard\php_fopen_wrappers.h
# End Source File
# Begin Source File
SOURCE=..\ext\standard\php_http.h
# End Source File
# Begin Source File
SOURCE=..\ext\standard\php_lcg.h
# End Source File
# Begin Source File
@ -2003,6 +2003,26 @@ SOURCE=..\ext\sqlite\sqlite.c
# End Source File
# End Group
# End Group
# Begin Group "LIBXML"
# PROP Default_Filter ""
# Begin Group "Header Files No. 10"
# PROP Default_Filter ""
# Begin Source File
SOURCE=..\ext\libxml\php_libxml.h
# End Source File
# End Group
# Begin Group "Source Files No. 9"
# PROP Default_Filter ""
# Begin Source File
SOURCE=..\ext\libxml\libxml.c
# End Source File
# End Group
# End Group
# End Group
# Begin Group "Win32"

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