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php_xmlreader.c
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/*
+----------------------------------------------------------------------+
| PHP Version 5 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2014 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: |
| http://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 |
| [email protected] so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Author: Rob Richards <[email protected]> |
+----------------------------------------------------------------------+
*/
/* $Id$ */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "php.h"
#include "php_ini.h"
#include "ext/standard/info.h"
#include "php_xmlreader.h"
#ifdef HAVE_DOM
#include "ext/dom/xml_common.h"
#endif
#include <libxml/xmlreader.h>
#include <libxml/uri.h>
zend_class_entry *xmlreader_class_entry;
static zend_object_handlers xmlreader_object_handlers;
static HashTable xmlreader_prop_handlers;
typedef int (*xmlreader_read_int_t)(xmlTextReaderPtr reader);
typedef unsigned char *(*xmlreader_read_char_t)(xmlTextReaderPtr reader);
typedef const unsigned char *(*xmlreader_read_const_char_t)(xmlTextReaderPtr reader);
typedef int (*xmlreader_write_t)(xmlreader_object *obj, zval *newval TSRMLS_DC);
typedef unsigned char *(*xmlreader_read_one_char_t)(xmlTextReaderPtr reader, const unsigned char *);
typedef struct _xmlreader_prop_handler {
xmlreader_read_int_t read_int_func;
xmlreader_read_const_char_t read_char_func;
xmlreader_write_t write_func;
int type;
} xmlreader_prop_handler;
#define XMLREADER_LOAD_STRING 0
#define XMLREADER_LOAD_FILE 1
/* {{{ xmlreader_register_prop_handler */
static void xmlreader_register_prop_handler(HashTable *prop_handler, char *name, xmlreader_read_int_t read_int_func, xmlreader_read_const_char_t read_char_func, int rettype TSRMLS_DC)
{
xmlreader_prop_handler hnd;
hnd.read_char_func = read_char_func;
hnd.read_int_func = read_int_func;
hnd.type = rettype;
zend_hash_add(prop_handler, name, strlen(name)+1, &hnd, sizeof(xmlreader_prop_handler), NULL);
}
/* }}} */
/* {{{ xmlreader_property_reader */
static int xmlreader_property_reader(xmlreader_object *obj, xmlreader_prop_handler *hnd, zval **retval TSRMLS_DC)
{
const xmlChar *retchar = NULL;
int retint = 0;
if (obj->ptr != NULL) {
if (hnd->read_char_func) {
retchar = hnd->read_char_func(obj->ptr);
} else {
if (hnd->read_int_func) {
retint = hnd->read_int_func(obj->ptr);
if (retint == -1) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Internal libxml error returned");
return FAILURE;
}
}
}
}
ALLOC_ZVAL(*retval);
switch (hnd->type) {
case IS_STRING:
if (retchar) {
ZVAL_STRING(*retval, (char *) retchar, 1);
} else {
ZVAL_EMPTY_STRING(*retval);
}
break;
case IS_BOOL:
ZVAL_BOOL(*retval, retint);
break;
case IS_LONG:
ZVAL_LONG(*retval, retint);
break;
default:
ZVAL_NULL(*retval);
}
return SUCCESS;
}
/* }}} */
/* {{{ xmlreader_get_property_ptr_ptr */
zval **xmlreader_get_property_ptr_ptr(zval *object, zval *member, int type, const zend_literal *key TSRMLS_DC)
{
xmlreader_object *obj;
zval tmp_member;
zval **retval = NULL;
xmlreader_prop_handler *hnd;
zend_object_handlers *std_hnd;
int ret = FAILURE;
if (member->type != IS_STRING) {
tmp_member = *member;
zval_copy_ctor(&tmp_member);
convert_to_string(&tmp_member);
member = &tmp_member;
}
obj = (xmlreader_object *)zend_objects_get_address(object TSRMLS_CC);
if (obj->prop_handler != NULL) {
ret = zend_hash_find(obj->prop_handler, Z_STRVAL_P(member), Z_STRLEN_P(member)+1, (void **) &hnd);
}
if (ret == FAILURE) {
std_hnd = zend_get_std_object_handlers();
retval = std_hnd->get_property_ptr_ptr(object, member, type, key TSRMLS_CC);
}
if (member == &tmp_member) {
zval_dtor(member);
}
return retval;
}
/* }}} */
/* {{{ xmlreader_read_property */
zval *xmlreader_read_property(zval *object, zval *member, int type, const zend_literal *key TSRMLS_DC)
{
xmlreader_object *obj;
zval tmp_member;
zval *retval;
xmlreader_prop_handler *hnd;
zend_object_handlers *std_hnd;
int ret;
if (member->type != IS_STRING) {
tmp_member = *member;
zval_copy_ctor(&tmp_member);
convert_to_string(&tmp_member);
member = &tmp_member;
}
ret = FAILURE;
obj = (xmlreader_object *)zend_objects_get_address(object TSRMLS_CC);
if (obj->prop_handler != NULL) {
ret = zend_hash_find(obj->prop_handler, Z_STRVAL_P(member), Z_STRLEN_P(member)+1, (void **) &hnd);
}
if (ret == SUCCESS) {
ret = xmlreader_property_reader(obj, hnd, &retval TSRMLS_CC);
if (ret == SUCCESS) {
/* ensure we're creating a temporary variable */
Z_SET_REFCOUNT_P(retval, 0);
} else {
retval = EG(uninitialized_zval_ptr);
}
} else {
std_hnd = zend_get_std_object_handlers();
retval = std_hnd->read_property(object, member, type, key TSRMLS_CC);
}
if (member == &tmp_member) {
zval_dtor(member);
}
return retval;
}
/* }}} */
/* {{{ xmlreader_write_property */
void xmlreader_write_property(zval *object, zval *member, zval *value, const zend_literal *key TSRMLS_DC)
{
xmlreader_object *obj;
zval tmp_member;
xmlreader_prop_handler *hnd;
zend_object_handlers *std_hnd;
int ret;
if (member->type != IS_STRING) {
tmp_member = *member;
zval_copy_ctor(&tmp_member);
convert_to_string(&tmp_member);
member = &tmp_member;
}
ret = FAILURE;
obj = (xmlreader_object *)zend_objects_get_address(object TSRMLS_CC);
if (obj->prop_handler != NULL) {
ret = zend_hash_find((HashTable *)obj->prop_handler, Z_STRVAL_P(member), Z_STRLEN_P(member)+1, (void **) &hnd);
}
if (ret == SUCCESS) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Cannot write to read-only property");
} else {
std_hnd = zend_get_std_object_handlers();
std_hnd->write_property(object, member, value, key TSRMLS_CC);
}
if (member == &tmp_member) {
zval_dtor(member);
}
}
/* }}} */
/* {{{ _xmlreader_get_valid_file_path */
/* _xmlreader_get_valid_file_path and _xmlreader_get_relaxNG should be made a
common function in libxml extension as code is common to a few xml extensions */
char *_xmlreader_get_valid_file_path(char *source, char *resolved_path, int resolved_path_len TSRMLS_DC) {
xmlURI *uri;
xmlChar *escsource;
char *file_dest;
int isFileUri = 0;
uri = xmlCreateURI();
escsource = xmlURIEscapeStr((xmlChar *)source, (xmlChar *)":");
xmlParseURIReference(uri, (const char *)escsource);
xmlFree(escsource);
if (uri->scheme != NULL) {
/* absolute file uris - libxml only supports localhost or empty host */
if (strncasecmp(source, "file:///",8) == 0) {
isFileUri = 1;
#ifdef PHP_WIN32
source += 8;
#else
source += 7;
#endif
} else if (strncasecmp(source, "file://localhost/",17) == 0) {
isFileUri = 1;
#ifdef PHP_WIN32
source += 17;
#else
source += 16;
#endif
}
}
file_dest = source;
if ((uri->scheme == NULL || isFileUri)) {
if (!VCWD_REALPATH(source, resolved_path) && !expand_filepath(source, resolved_path TSRMLS_CC)) {
xmlFreeURI(uri);
return NULL;
}
file_dest = resolved_path;
}
xmlFreeURI(uri);
return file_dest;
}
/* }}} */
#ifdef LIBXML_SCHEMAS_ENABLED
/* {{{ _xmlreader_get_relaxNG */
static xmlRelaxNGPtr _xmlreader_get_relaxNG(char *source, int source_len, int type,
xmlRelaxNGValidityErrorFunc error_func,
xmlRelaxNGValidityWarningFunc warn_func TSRMLS_DC)
{
char *valid_file = NULL;
xmlRelaxNGParserCtxtPtr parser = NULL;
xmlRelaxNGPtr sptr;
char resolved_path[MAXPATHLEN + 1];
switch (type) {
case XMLREADER_LOAD_FILE:
valid_file = _xmlreader_get_valid_file_path(source, resolved_path, MAXPATHLEN TSRMLS_CC);
if (!valid_file) {
return NULL;
}
parser = xmlRelaxNGNewParserCtxt(valid_file);
break;
case XMLREADER_LOAD_STRING:
parser = xmlRelaxNGNewMemParserCtxt(source, source_len);
/* If loading from memory, we need to set the base directory for the document
but it is not apparent how to do that for schema's */
break;
default:
return NULL;
}
if (parser == NULL) {
return NULL;
}
if (error_func || warn_func) {
xmlRelaxNGSetParserErrors(parser,
(xmlRelaxNGValidityErrorFunc) error_func,
(xmlRelaxNGValidityWarningFunc) warn_func,
parser);
}
sptr = xmlRelaxNGParse(parser);
xmlRelaxNGFreeParserCtxt(parser);
return sptr;
}
/* }}} */
#endif
static const zend_module_dep xmlreader_deps[] = {
ZEND_MOD_REQUIRED("libxml")
ZEND_MOD_END
};
/* {{{ xmlreader_module_entry
*/
zend_module_entry xmlreader_module_entry = {
STANDARD_MODULE_HEADER_EX, NULL,
xmlreader_deps,
"xmlreader",
NULL,
PHP_MINIT(xmlreader),
PHP_MSHUTDOWN(xmlreader),
NULL,
NULL,
PHP_MINFO(xmlreader),
"0.1", /* Replace with version number for your extension */
STANDARD_MODULE_PROPERTIES
};
/* }}} */
#ifdef COMPILE_DL_XMLREADER
ZEND_GET_MODULE(xmlreader)
#endif
/* {{{ xmlreader_objects_clone */
void xmlreader_objects_clone(void *object, void **object_clone TSRMLS_DC)
{
/* TODO */
}
/* }}} */
/* {{{ xmlreader_free_resources */
static void xmlreader_free_resources(xmlreader_object *intern) {
if (intern) {
if (intern->input) {
xmlFreeParserInputBuffer(intern->input);
intern->input = NULL;
}
if (intern->ptr) {
xmlFreeTextReader(intern->ptr);
intern->ptr = NULL;
}
#ifdef LIBXML_SCHEMAS_ENABLED
if (intern->schema) {
xmlRelaxNGFree((xmlRelaxNGPtr) intern->schema);
intern->schema = NULL;
}
#endif
}
}
/* }}} */
/* {{{ xmlreader_objects_free_storage */
void xmlreader_objects_free_storage(void *object TSRMLS_DC)
{
xmlreader_object *intern = (xmlreader_object *)object;
zend_object_std_dtor(&intern->std TSRMLS_CC);
xmlreader_free_resources(intern);
efree(object);
}
/* }}} */
/* {{{ xmlreader_objects_new */
zend_object_value xmlreader_objects_new(zend_class_entry *class_type TSRMLS_DC)
{
zend_object_value retval;
xmlreader_object *intern;
intern = emalloc(sizeof(xmlreader_object));
memset(&intern->std, 0, sizeof(zend_object));
intern->ptr = NULL;
intern->input = NULL;
intern->schema = NULL;
intern->prop_handler = &xmlreader_prop_handlers;
zend_object_std_init(&intern->std, class_type TSRMLS_CC);
object_properties_init(&intern->std, class_type);
retval.handle = zend_objects_store_put(intern, (zend_objects_store_dtor_t)zend_objects_destroy_object, (zend_objects_free_object_storage_t) xmlreader_objects_free_storage, xmlreader_objects_clone TSRMLS_CC);
intern->handle = retval.handle;
retval.handlers = &xmlreader_object_handlers;
return retval;
}
/* }}} */
/* {{{ php_xmlreader_string_arg */
static void php_xmlreader_string_arg(INTERNAL_FUNCTION_PARAMETERS, xmlreader_read_one_char_t internal_function) {
zval *id;
int name_len = 0;
char *retchar = NULL;
xmlreader_object *intern;
char *name;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &name, &name_len) == FAILURE) {
return;
}
if (!name_len) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Argument cannot be an empty string");
RETURN_FALSE;
}
id = getThis();
intern = (xmlreader_object *)zend_object_store_get_object(id TSRMLS_CC);
if (intern && intern->ptr) {
retchar = (char *)internal_function(intern->ptr, (const unsigned char *)name);
}
if (retchar) {
RETVAL_STRING(retchar, 1);
xmlFree(retchar);
return;
} else {
RETVAL_NULL();
}
}
/* }}} */
/* {{{ php_xmlreader_no_arg */
static void php_xmlreader_no_arg(INTERNAL_FUNCTION_PARAMETERS, xmlreader_read_int_t internal_function) {
zval *id;
int retval;
xmlreader_object *intern;
id = getThis();
intern = (xmlreader_object *)zend_object_store_get_object(id TSRMLS_CC);
if (intern && intern->ptr) {
retval = internal_function(intern->ptr);
if (retval == 1) {
RETURN_TRUE;
}
}
RETURN_FALSE;
}
/* }}} */
#if LIBXML_VERSION >= 20620
/* {{{ php_xmlreader_no_arg_string */
static void php_xmlreader_no_arg_string(INTERNAL_FUNCTION_PARAMETERS, xmlreader_read_char_t internal_function) {
zval *id;
char *retchar = NULL;
xmlreader_object *intern;
id = getThis();
intern = (xmlreader_object *)zend_object_store_get_object(id TSRMLS_CC);
if (intern && intern->ptr) {
retchar = (char *)internal_function(intern->ptr);
}
if (retchar) {
RETVAL_STRING(retchar, 1);
xmlFree(retchar);
return;
} else {
RETVAL_EMPTY_STRING();
}
}
/* }}} */
#endif
/* {{{ php_xmlreader_set_relaxng_schema */
static void php_xmlreader_set_relaxng_schema(INTERNAL_FUNCTION_PARAMETERS, int type) {
#ifdef LIBXML_SCHEMAS_ENABLED
zval *id;
int source_len = 0, retval = -1;
xmlreader_object *intern;
xmlRelaxNGPtr schema = NULL;
char *source;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "p!", &source, &source_len) == FAILURE) {
return;
}
if (source != NULL && !source_len) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Schema data source is required");
RETURN_FALSE;
}
id = getThis();
intern = (xmlreader_object *)zend_object_store_get_object(id TSRMLS_CC);
if (intern && intern->ptr) {
if (source) {
schema = _xmlreader_get_relaxNG(source, source_len, type, NULL, NULL TSRMLS_CC);
if (schema) {
retval = xmlTextReaderRelaxNGSetSchema(intern->ptr, schema);
}
} else {
/* unset the associated relaxNG context and schema if one exists */
retval = xmlTextReaderRelaxNGSetSchema(intern->ptr, NULL);
}
if (retval == 0) {
if (intern->schema) {
xmlRelaxNGFree((xmlRelaxNGPtr) intern->schema);
}
intern->schema = schema;
RETURN_TRUE;
}
}
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to set schema. This must be set prior to reading or schema contains errors.");
RETURN_FALSE;
#else
php_error_docref(NULL TSRMLS_CC, E_WARNING, "No Schema support built into libxml.");
RETURN_FALSE;
#endif
}
/* }}} */
/* {{{ proto boolean XMLReader::close()
Closes xmlreader - current frees resources until xmlTextReaderClose is fixed in libxml */
PHP_METHOD(xmlreader, close)
{
zval *id;
xmlreader_object *intern;
id = getThis();
intern = (xmlreader_object *)zend_object_store_get_object(id TSRMLS_CC);
/* libxml is segfaulting in versions up to 2.6.8 using xmlTextReaderClose so for
now we will free the whole reader when close is called as it would get rebuilt on
a new load anyways */
xmlreader_free_resources(intern);
RETURN_TRUE;
}
/* }}} */
/* {{{ proto string XMLReader::getAttribute(string name)
Get value of an attribute from current element */
PHP_METHOD(xmlreader, getAttribute)
{
php_xmlreader_string_arg(INTERNAL_FUNCTION_PARAM_PASSTHRU, xmlTextReaderGetAttribute);
}
/* }}} */
/* {{{ proto string XMLReader::getAttributeNo(int index)
Get value of an attribute at index from current element */
PHP_METHOD(xmlreader, getAttributeNo)
{
zval *id;
long attr_pos;
char *retchar = NULL;
xmlreader_object *intern;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &attr_pos) == FAILURE) {
return;
}
id = getThis();
intern = (xmlreader_object *)zend_object_store_get_object(id TSRMLS_CC);
if (intern && intern->ptr) {
retchar = (char *)xmlTextReaderGetAttributeNo(intern->ptr, attr_pos);
}
if (retchar) {
RETVAL_STRING(retchar, 1);
xmlFree(retchar);
}
}
/* }}} */
/* {{{ proto string XMLReader::getAttributeNs(string name, string namespaceURI)
Get value of a attribute via name and namespace from current element */
PHP_METHOD(xmlreader, getAttributeNs)
{
zval *id;
int name_len = 0, ns_uri_len = 0;
xmlreader_object *intern;
char *name, *ns_uri, *retchar = NULL;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ss", &name, &name_len, &ns_uri, &ns_uri_len) == FAILURE) {
return;
}
if (name_len == 0 || ns_uri_len == 0) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Attribute Name and Namespace URI cannot be empty");
RETURN_FALSE;
}
id = getThis();
intern = (xmlreader_object *)zend_object_store_get_object(id TSRMLS_CC);
if (intern && intern->ptr) {
retchar = (char *)xmlTextReaderGetAttributeNs(intern->ptr, (xmlChar *)name, (xmlChar *)ns_uri);
}
if (retchar) {
RETVAL_STRING(retchar, 1);
xmlFree(retchar);
}
}
/* }}} */
/* {{{ proto boolean XMLReader::getParserProperty(int property)
Indicates whether given property (one of the parser option constants) is set or not on parser */
PHP_METHOD(xmlreader, getParserProperty)
{
zval *id;
long property;
int retval = -1;
xmlreader_object *intern;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &property) == FAILURE) {
return;
}
id = getThis();
intern = (xmlreader_object *)zend_object_store_get_object(id TSRMLS_CC);
if (intern && intern->ptr) {
retval = xmlTextReaderGetParserProp(intern->ptr,property);
}
if (retval == -1) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Invalid parser property");
RETURN_FALSE;
}
RETURN_BOOL(retval);
}
/* }}} */
/* {{{ proto boolean XMLReader::isValid()
Returns boolean indicating if parsed document is valid or not.
Must set XMLREADER_LOADDTD or XMLREADER_VALIDATE parser option prior to the first call to read
or this method will always return FALSE */
PHP_METHOD(xmlreader, isValid)
{
php_xmlreader_no_arg(INTERNAL_FUNCTION_PARAM_PASSTHRU, xmlTextReaderIsValid);
}
/* }}} */
/* {{{ proto string XMLReader::lookupNamespace(string prefix)
Return namespaceURI for associated prefix on current node */
PHP_METHOD(xmlreader, lookupNamespace)
{
php_xmlreader_string_arg(INTERNAL_FUNCTION_PARAM_PASSTHRU, xmlTextReaderLookupNamespace);
}
/* }}} */
/* {{{ proto boolean XMLReader::moveToAttribute(string name)
Positions reader at specified attribute - Returns TRUE on success and FALSE on failure */
PHP_METHOD(xmlreader, moveToAttribute)
{
zval *id;
int name_len = 0, retval;
xmlreader_object *intern;
char *name;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &name, &name_len) == FAILURE) {
return;
}
if (name_len == 0) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Attribute Name is required");
RETURN_FALSE;
}
id = getThis();
intern = (xmlreader_object *)zend_object_store_get_object(id TSRMLS_CC);
if (intern && intern->ptr) {
retval = xmlTextReaderMoveToAttribute(intern->ptr, (xmlChar *)name);
if (retval == 1) {
RETURN_TRUE;
}
}
RETURN_FALSE;
}
/* }}} */
/* {{{ proto boolean XMLReader::moveToAttributeNo(int index)
Positions reader at attribute at specified index.
Returns TRUE on success and FALSE on failure */
PHP_METHOD(xmlreader, moveToAttributeNo)
{
zval *id;
long attr_pos;
int retval;
xmlreader_object *intern;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &attr_pos) == FAILURE) {
return;
}
id = getThis();
intern = (xmlreader_object *)zend_object_store_get_object(id TSRMLS_CC);
if (intern && intern->ptr) {
retval = xmlTextReaderMoveToAttributeNo(intern->ptr, attr_pos);
if (retval == 1) {
RETURN_TRUE;
}
}
RETURN_FALSE;
}
/* }}} */
/* {{{ proto boolean XMLReader::moveToAttributeNs(string name, string namespaceURI)
Positions reader at attribute spcified by name and namespaceURI.
Returns TRUE on success and FALSE on failure */
PHP_METHOD(xmlreader, moveToAttributeNs)
{
zval *id;
int name_len=0, ns_uri_len=0, retval;
xmlreader_object *intern;
char *name, *ns_uri;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ss", &name, &name_len, &ns_uri, &ns_uri_len) == FAILURE) {
return;
}
if (name_len == 0 || ns_uri_len == 0) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Attribute Name and Namespace URI cannot be empty");
RETURN_FALSE;
}
id = getThis();
intern = (xmlreader_object *)zend_object_store_get_object(id TSRMLS_CC);
if (intern && intern->ptr) {
retval = xmlTextReaderMoveToAttributeNs(intern->ptr, (xmlChar *)name, (xmlChar *)ns_uri);
if (retval == 1) {
RETURN_TRUE;
}
}
RETURN_FALSE;
}
/* }}} */
/* {{{ proto boolean XMLReader::moveToElement()
Moves the position of the current instance to the node that contains the current Attribute node. */
PHP_METHOD(xmlreader, moveToElement)
{
php_xmlreader_no_arg(INTERNAL_FUNCTION_PARAM_PASSTHRU, xmlTextReaderMoveToElement);
}
/* }}} */
/* {{{ proto boolean XMLReader::moveToFirstAttribute()
Moves the position of the current instance to the first attribute associated with the current node. */
PHP_METHOD(xmlreader, moveToFirstAttribute)
{
php_xmlreader_no_arg(INTERNAL_FUNCTION_PARAM_PASSTHRU, xmlTextReaderMoveToFirstAttribute);
}
/* }}} */
/* {{{ proto boolean XMLReader::moveToNextAttribute()
Moves the position of the current instance to the next attribute associated with the current node. */
PHP_METHOD(xmlreader, moveToNextAttribute)
{
php_xmlreader_no_arg(INTERNAL_FUNCTION_PARAM_PASSTHRU, xmlTextReaderMoveToNextAttribute);
}
/* }}} */
/* {{{ proto boolean XMLReader::read()
Moves the position of the current instance to the next node in the stream. */
PHP_METHOD(xmlreader, read)
{
zval *id;
int retval;
xmlreader_object *intern;
id = getThis();
intern = (xmlreader_object *)zend_object_store_get_object(id TSRMLS_CC);
if (intern != NULL && intern->ptr != NULL) {
retval = xmlTextReaderRead(intern->ptr);
if (retval == -1) {
RETURN_FALSE;
} else {
RETURN_BOOL(retval);
}
}
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Load Data before trying to read");
RETURN_FALSE;
}
/* }}} */
/* {{{ proto boolean XMLReader::next([string localname])
Moves the position of the current instance to the next node in the stream. */
PHP_METHOD(xmlreader, next)
{
zval *id;
int retval, name_len=0;
xmlreader_object *intern;
char *name = NULL;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|s", &name, &name_len) == FAILURE) {
return;
}
id = getThis();
intern = (xmlreader_object *)zend_object_store_get_object(id TSRMLS_CC);
if (intern != NULL && intern->ptr != NULL) {
#if LIBXML_VERSION <= 20617
/* Bug in libxml prevents a next in certain cases when positioned on end of element */
if (xmlTextReaderNodeType(intern->ptr) == XML_READER_TYPE_END_ELEMENT) {
retval = xmlTextReaderRead(intern->ptr);
} else
#endif
retval = xmlTextReaderNext(intern->ptr);
while (name != NULL && retval == 1) {
if (xmlStrEqual(xmlTextReaderConstLocalName(intern->ptr), (xmlChar *)name)) {
RETURN_TRUE;
}
retval = xmlTextReaderNext(intern->ptr);
}
if (retval == -1) {
RETURN_FALSE;
} else {
RETURN_BOOL(retval);
}
}
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Load Data before trying to read");
RETURN_FALSE;
}
/* }}} */
/* {{{ proto boolean XMLReader::open(string URI [, string encoding [, int options]])
Sets the URI that the XMLReader will parse. */
PHP_METHOD(xmlreader, open)
{
zval *id;
int source_len = 0, encoding_len = 0;
long options = 0;
xmlreader_object *intern = NULL;
char *source, *valid_file = NULL;
char *encoding = NULL;
char resolved_path[MAXPATHLEN + 1];
xmlTextReaderPtr reader = NULL;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "p|s!l", &source, &source_len, &encoding, &encoding_len, &options) == FAILURE) {
return;
}
id = getThis();
if (id != NULL) {
if (! instanceof_function(Z_OBJCE_P(id), xmlreader_class_entry TSRMLS_CC)) {
id = NULL;
} else {
intern = (xmlreader_object *)zend_object_store_get_object(id TSRMLS_CC);
xmlreader_free_resources(intern);
}
}
if (!source_len) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Empty string supplied as input");
RETURN_FALSE;
}
valid_file = _xmlreader_get_valid_file_path(source, resolved_path, MAXPATHLEN TSRMLS_CC);
if (valid_file) {
reader = xmlReaderForFile(valid_file, encoding, options);
}
if (reader == NULL) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to open source data");
RETURN_FALSE;
}
if (id == NULL) {
object_init_ex(return_value, xmlreader_class_entry);
intern = (xmlreader_object *)zend_objects_get_address(return_value TSRMLS_CC);
intern->ptr = reader;
return;
}
intern->ptr = reader;
RETURN_TRUE;
}
/* }}} */
/* Not Yet Implemented in libxml - functions exist just not coded
PHP_METHOD(xmlreader, resetState)
{
}
*/
#if LIBXML_VERSION >= 20620
/* {{{ proto string XMLReader::readInnerXml()
Reads the contents of the current node, including child nodes and markup. */
PHP_METHOD(xmlreader, readInnerXml)
{
php_xmlreader_no_arg_string(INTERNAL_FUNCTION_PARAM_PASSTHRU, xmlTextReaderReadInnerXml);
}
/* }}} */
/* {{{ proto boolean XMLReader::readOuterXml()
Reads the contents of the current node, including child nodes and markup. */
PHP_METHOD(xmlreader, readOuterXml)
{
php_xmlreader_no_arg_string(INTERNAL_FUNCTION_PARAM_PASSTHRU, xmlTextReaderReadOuterXml);
}
/* }}} */
/* {{{ proto boolean XMLReader::readString()
Reads the contents of an element or a text node as a string. */
PHP_METHOD(xmlreader, readString)
{
php_xmlreader_no_arg_string(INTERNAL_FUNCTION_PARAM_PASSTHRU, xmlTextReaderReadString);
}
/* }}} */
/* {{{ proto boolean XMLReader::setSchema(string filename)
Use W3C XSD schema to validate the document as it is processed. Activation is only possible before the first Read(). */
PHP_METHOD(xmlreader, setSchema)
{
#ifdef LIBXML_SCHEMAS_ENABLED
zval *id;
int source_len = 0, retval = -1;
xmlreader_object *intern;
char *source;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "p!", &source, &source_len) == FAILURE) {
return;
}
if (source != NULL && !source_len) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Schema data source is required");
RETURN_FALSE;
}
id = getThis();
intern = (xmlreader_object *)zend_object_store_get_object(id TSRMLS_CC);
if (intern && intern->ptr) {
retval = xmlTextReaderSchemaValidate(intern->ptr, source);
if (retval == 0) {
RETURN_TRUE;
}
}
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to set schema. This must be set prior to reading or schema contains errors.");
RETURN_FALSE;
#else
php_error_docref(NULL TSRMLS_CC, E_WARNING, "No Schema support built into libxml.");
RETURN_FALSE;
#endif
}
/* }}} */
#endif
/* {{{ proto boolean XMLReader::setParserProperty(int property, boolean value)
Sets parser property (one of the parser option constants).
Properties must be set after open() or XML() and before the first read() is called */
PHP_METHOD(xmlreader, setParserProperty)
{
zval *id;
long property;
int retval = -1;
zend_bool value;
xmlreader_object *intern;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "lb", &property, &value) == FAILURE) {
return;
}
id = getThis();