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Editing: php_libxml.h
/* +----------------------------------------------------------------------+ | Copyright (c) The PHP Group | +----------------------------------------------------------------------+ | 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 | | available through the world-wide-web at the following url: | | https://www.php.net/license/3_01.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> | +----------------------------------------------------------------------+ */ #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 #include "php_version.h" #define PHP_LIBXML_VERSION PHP_VERSION #ifdef PHP_WIN32 # define PHP_LIBXML_API __declspec(dllexport) #elif defined(__GNUC__) && __GNUC__ >= 4 # define PHP_LIBXML_API __attribute__ ((visibility("default"))) #else # define PHP_LIBXML_API #endif #include "zend_smart_str.h" #include <libxml/tree.h> #include <libxml/parser.h> #define LIBXML_SAVE_NOEMPTYTAG 1<<2 ZEND_BEGIN_MODULE_GLOBALS(libxml) zval stream_context; smart_str error_buffer; zend_llist *error_list; struct _php_libxml_entity_resolver { zval callback; zend_fcall_info fci; zend_fcall_info_cache fcc; } entity_loader; bool entity_loader_disabled; ZEND_END_MODULE_GLOBALS(libxml) typedef struct _libxml_doc_props { int formatoutput; int validateonparse; int resolveexternals; int preservewhitespace; int substituteentities; int stricterror; int recover; HashTable *classmap; } libxml_doc_props; typedef struct _php_libxml_ref_obj { void *ptr; int refcount; libxml_doc_props *doc_props; } php_libxml_ref_obj; typedef struct _php_libxml_node_ptr { xmlNodePtr node; int refcount; void *_private; } php_libxml_node_ptr; typedef struct _php_libxml_node_object { php_libxml_node_ptr *node; php_libxml_ref_obj *document; HashTable *properties; zend_object std; } php_libxml_node_object; static inline php_libxml_node_object *php_libxml_node_fetch_object(zend_object *obj) { return (php_libxml_node_object *)((char*)(obj) - obj->handlers->offset); } #define Z_LIBXML_NODE_P(zv) php_libxml_node_fetch_object(Z_OBJ_P((zv))) typedef void * (*php_libxml_export_node) (zval *object); PHP_LIBXML_API int php_libxml_increment_node_ptr(php_libxml_node_object *object, xmlNodePtr node, void *private_data); PHP_LIBXML_API int php_libxml_decrement_node_ptr(php_libxml_node_object *object); PHP_LIBXML_API int php_libxml_increment_doc_ref(php_libxml_node_object *object, xmlDocPtr docp); PHP_LIBXML_API int php_libxml_decrement_doc_ref(php_libxml_node_object *object); PHP_LIBXML_API xmlNodePtr php_libxml_import_node(zval *object); PHP_LIBXML_API zval *php_libxml_register_export(zend_class_entry *ce, php_libxml_export_node export_function); /* When an explicit freeing of node and children is required */ PHP_LIBXML_API void php_libxml_node_free_list(xmlNodePtr node); PHP_LIBXML_API void php_libxml_node_free_resource(xmlNodePtr node); /* When object dtor is called as node may still be referenced */ PHP_LIBXML_API void php_libxml_node_decrement_resource(php_libxml_node_object *object); PHP_LIBXML_API void php_libxml_error_handler(void *ctx, const char *msg, ...); PHP_LIBXML_API void php_libxml_ctx_warning(void *ctx, const char *msg, ...); PHP_LIBXML_API void php_libxml_ctx_error(void *ctx, const char *msg, ...); PHP_LIBXML_API int php_libxml_xmlCheckUTF8(const unsigned char *s); PHP_LIBXML_API void php_libxml_switch_context(zval *context, zval *oldcontext); PHP_LIBXML_API void php_libxml_issue_error(int level, const char *msg); PHP_LIBXML_API bool php_libxml_disable_entity_loader(bool disable); /* Init/shutdown functions*/ PHP_LIBXML_API void php_libxml_initialize(void); PHP_LIBXML_API void php_libxml_shutdown(void); #define LIBXML(v) ZEND_MODULE_GLOBALS_ACCESSOR(libxml, v) #if defined(ZTS) && defined(COMPILE_DL_LIBXML) ZEND_TSRMLS_CACHE_EXTERN() #endif #if defined(__clang__) # define PHP_LIBXML_IGNORE_DEPRECATIONS_START \ _Pragma("clang diagnostic push") \ _Pragma("clang diagnostic ignored \"-Wdeprecated-declarations\"") # define PHP_LIBXML_IGNORE_DEPRECATIONS_END \ _Pragma("clang diagnostic pop") #elif defined(__GNUC__) # define PHP_LIBXML_IGNORE_DEPRECATIONS_START \ _Pragma("GCC diagnostic push") \ _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") # define PHP_LIBXML_IGNORE_DEPRECATIONS_END \ _Pragma("GCC diagnostic pop") #else # define PHP_LIBXML_IGNORE_DEPRECATIONS_START # define PHP_LIBXML_IGNORE_DEPRECATIONS_END #endif /* Other extension may override the global state options, these global options * are copied initially to ctxt->options. Set the options to a known good value. * See libxml2 globals.c and parserInternals.c. * The unique_name argument allows multiple sanitizes and restores within the * same function, even nested is necessary. */ #define PHP_LIBXML_SANITIZE_GLOBALS(unique_name) \ PHP_LIBXML_IGNORE_DEPRECATIONS_START \ int xml_old_loadsubset_##unique_name = xmlLoadExtDtdDefaultValue; \ xmlLoadExtDtdDefaultValue = 0; \ int xml_old_validate_##unique_name = xmlDoValidityCheckingDefaultValue; \ xmlDoValidityCheckingDefaultValue = 0; \ int xml_old_pedantic_##unique_name = xmlPedanticParserDefault(0); \ int xml_old_substitute_##unique_name = xmlSubstituteEntitiesDefault(0); \ int xml_old_linenrs_##unique_name = xmlLineNumbersDefault(0); \ int xml_old_blanks_##unique_name = xmlKeepBlanksDefault(1); \ PHP_LIBXML_IGNORE_DEPRECATIONS_END #define PHP_LIBXML_RESTORE_GLOBALS(unique_name) \ PHP_LIBXML_IGNORE_DEPRECATIONS_START \ xmlLoadExtDtdDefaultValue = xml_old_loadsubset_##unique_name; \ xmlDoValidityCheckingDefaultValue = xml_old_validate_##unique_name; \ (void) xmlPedanticParserDefault(xml_old_pedantic_##unique_name); \ (void) xmlSubstituteEntitiesDefault(xml_old_substitute_##unique_name); \ (void) xmlLineNumbersDefault(xml_old_linenrs_##unique_name); \ (void) xmlKeepBlanksDefault(xml_old_blanks_##unique_name); \ PHP_LIBXML_IGNORE_DEPRECATIONS_END /* Alternative for above, working directly on the context and not setting globals. * Generally faster because no locking is involved, and this has the advantage that it sets the options to a known good value. */ static zend_always_inline void php_libxml_sanitize_parse_ctxt_options(xmlParserCtxtPtr ctxt) { PHP_LIBXML_IGNORE_DEPRECATIONS_START ctxt->loadsubset = 0; ctxt->validate = 0; ctxt->pedantic = 0; ctxt->replaceEntities = 0; ctxt->linenumbers = 0; ctxt->keepBlanks = 1; ctxt->options = 0; PHP_LIBXML_IGNORE_DEPRECATIONS_END } #else /* HAVE_LIBXML */ #define libxml_module_ptr NULL #endif #define phpext_libxml_ptr libxml_module_ptr #endif /* PHP_LIBXML_H */
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