diff options
Diffstat (limited to 'axiom/src/parser/libxml2/libxml2_reader_wrapper.c')
| -rw-r--r-- | axiom/src/parser/libxml2/libxml2_reader_wrapper.c | 949 |
1 files changed, 949 insertions, 0 deletions
diff --git a/axiom/src/parser/libxml2/libxml2_reader_wrapper.c b/axiom/src/parser/libxml2/libxml2_reader_wrapper.c new file mode 100644 index 0000000..2510d49 --- /dev/null +++ b/axiom/src/parser/libxml2/libxml2_reader_wrapper.c @@ -0,0 +1,949 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include <axiom_xml_reader.h> +#include <libxml/xmlreader.h> +#include <libxml/parser.h> +#include <axutil_utils_defines.h> +#include <axutil_utils.h> +#include <string.h> +#include <axutil_string.h> + + +int AXIS2_CALL axis2_libxml2_reader_wrapper_next( + axiom_xml_reader_t * parser, + const axutil_env_t * env); + +void AXIS2_CALL axis2_libxml2_reader_wrapper_free( + axiom_xml_reader_t * parser, + const axutil_env_t * env); + +int AXIS2_CALL axis2_libxml2_reader_wrapper_get_attribute_count( + axiom_xml_reader_t * parser, + const axutil_env_t * env); + +axis2_char_t *AXIS2_CALL +axis2_libxml2_reader_wrapper_get_attribute_name_by_number( + axiom_xml_reader_t * parser, + const axutil_env_t * env, + int i); + +axis2_char_t *AXIS2_CALL +axis2_libxml2_reader_wrapper_get_attribute_prefix_by_number( + axiom_xml_reader_t * parser, + const axutil_env_t * env, + int i); + +axis2_char_t *AXIS2_CALL +axis2_libxml2_reader_wrapper_get_attribute_value_by_number( + axiom_xml_reader_t * parser, + const axutil_env_t * env, + int i); + +axis2_char_t *AXIS2_CALL +axis2_libxml2_reader_wrapper_get_attribute_namespace_by_number( + axiom_xml_reader_t * parser, + const axutil_env_t * env, + int i); + +axis2_char_t *AXIS2_CALL axis2_libxml2_reader_wrapper_get_value( + axiom_xml_reader_t * parser, + const axutil_env_t * env); + +int AXIS2_CALL axis2_libxml2_reader_wrapper_get_namespace_count( + axiom_xml_reader_t * parser, + const axutil_env_t * env); + +axis2_char_t *AXIS2_CALL +axis2_libxml2_reader_wrapper_get_namespace_uri_by_number( + axiom_xml_reader_t * parser, + const axutil_env_t * env, + int i); + +axis2_char_t *AXIS2_CALL +axis2_libxml2_reader_wrapper_get_namespace_prefix_by_number( + axiom_xml_reader_t * parser, + const axutil_env_t * env, + int i); + +axis2_char_t *AXIS2_CALL axis2_libxml2_reader_wrapper_get_prefix( + axiom_xml_reader_t * parser, + const axutil_env_t * env); + +axis2_char_t *AXIS2_CALL axis2_libxml2_reader_wrapper_get_name( + axiom_xml_reader_t * parser, + const axutil_env_t * env); + +axis2_char_t *AXIS2_CALL axis2_libxml2_reader_wrapper_get_pi_target( + axiom_xml_reader_t * parser, + const axutil_env_t * env); + +axis2_char_t *AXIS2_CALL axis2_libxml2_reader_wrapper_get_pi_data( + axiom_xml_reader_t * parser, + const axutil_env_t * env); + +axis2_char_t *AXIS2_CALL axis2_libxml2_reader_wrapper_get_dtd( + axiom_xml_reader_t * parser, + const axutil_env_t * env); + +void AXIS2_CALL axis2_libxml2_reader_wrapper_xml_free( + axiom_xml_reader_t * parser, + const axutil_env_t * env, + void *data); + +axis2_char_t *AXIS2_CALL axis2_libxml2_reader_wrapper_get_char_set_encoding( + axiom_xml_reader_t * parser, + const axutil_env_t * env); + +axis2_char_t *AXIS2_CALL axis2_libxml2_reader_wrapper_get_namespace_uri( + axiom_xml_reader_t * parser, + const axutil_env_t * env); + +axis2_char_t *AXIS2_CALL +axis2_libxml2_reader_wrapper_get_namespace_uri_by_prefix( + axiom_xml_reader_t * parser, + const axutil_env_t * env, + axis2_char_t * prefix); + +axis2_status_t +axis2_libxml2_reader_wrapper_fill_maps( + axiom_xml_reader_t * parser, + const axutil_env_t * env); + +void +axis2_libxml2_reader_wrapper_error_handler( + void *arg, + const char *msg, + int severities, + void *locator_ptr); + +static int +axis2_libxml2_reader_wrapper_read_input_callback( + void *ctx, + char *buffer, + int size); + +static int +axis2_libxml2_reader_wrapper_close_input_callback( + void *ctx); + +typedef struct axis2_libxml2_reader_wrapper_impl_t +{ + axiom_xml_reader_t parser; + + xmlTextReaderPtr reader; + + int current_event; + int current_attribute_count; + int current_namespace_count; + int event_map[18]; + + void *ctx; + /* assuming that max ns and attribute will be 20 */ + + int *namespace_map; + int *attribute_map; + + AXIS2_READ_INPUT_CALLBACK read_input_callback; + + AXIS2_CLOSE_INPUT_CALLBACK close_input_callback; + +} axis2_libxml2_reader_wrapper_impl_t; + +#define AXIS2_INTF_TO_IMPL(p) ((axis2_libxml2_reader_wrapper_impl_t*)p) +#define AXIS2_IMPL_TO_INTF(p) &(p->parser) + +static const axiom_xml_reader_ops_t axiom_xml_reader_ops_var = { axis2_libxml2_reader_wrapper_next, + axis2_libxml2_reader_wrapper_free, axis2_libxml2_reader_wrapper_get_attribute_count, + axis2_libxml2_reader_wrapper_get_attribute_name_by_number, + axis2_libxml2_reader_wrapper_get_attribute_prefix_by_number, + axis2_libxml2_reader_wrapper_get_attribute_value_by_number, + axis2_libxml2_reader_wrapper_get_attribute_namespace_by_number, + axis2_libxml2_reader_wrapper_get_value, axis2_libxml2_reader_wrapper_get_namespace_count, + axis2_libxml2_reader_wrapper_get_namespace_uri_by_number, + axis2_libxml2_reader_wrapper_get_namespace_prefix_by_number, + axis2_libxml2_reader_wrapper_get_prefix, axis2_libxml2_reader_wrapper_get_name, + axis2_libxml2_reader_wrapper_get_pi_target, axis2_libxml2_reader_wrapper_get_pi_data, + axis2_libxml2_reader_wrapper_get_dtd, axis2_libxml2_reader_wrapper_xml_free, + axis2_libxml2_reader_wrapper_get_char_set_encoding, + axis2_libxml2_reader_wrapper_get_namespace_uri, + axis2_libxml2_reader_wrapper_get_namespace_uri_by_prefix }; + +static axis2_status_t +axis2_libxml2_reader_wrapper_init_map( + axis2_libxml2_reader_wrapper_impl_t * parser) +{ + int i = 0; + if(parser) + { + for(i = 0; i < 18; i++) + { + parser->event_map[i] = -1; + } + + parser->event_map[XML_READER_TYPE_ELEMENT] = AXIOM_XML_READER_START_ELEMENT; + parser->event_map[XML_READER_TYPE_DOCUMENT] = AXIOM_XML_READER_START_DOCUMENT; + parser->event_map[XML_READER_TYPE_TEXT] = AXIOM_XML_READER_CHARACTER; + parser->event_map[XML_READER_TYPE_CDATA] = AXIOM_XML_READER_CHARACTER; + parser->event_map[XML_READER_TYPE_SIGNIFICANT_WHITESPACE] = AXIOM_XML_READER_SPACE; + parser->event_map[XML_READER_TYPE_WHITESPACE] = AXIOM_XML_READER_SPACE; + parser->event_map[XML_READER_TYPE_END_ELEMENT] = AXIOM_XML_READER_END_ELEMENT; + parser->event_map[XML_READER_TYPE_ENTITY_REFERENCE] = AXIOM_XML_READER_ENTITY_REFERENCE; + parser->event_map[XML_READER_TYPE_END_ENTITY] = AXIOM_XML_READER_SPACE; + parser->event_map[XML_READER_TYPE_ENTITY] = AXIOM_XML_READER_SPACE; + parser->event_map[XML_READER_TYPE_PROCESSING_INSTRUCTION] + = AXIOM_XML_READER_PROCESSING_INSTRUCTION; + parser->event_map[XML_READER_TYPE_COMMENT] = AXIOM_XML_READER_COMMENT; + parser->event_map[XML_READER_TYPE_DOCUMENT_TYPE] = AXIOM_XML_READER_DOCUMENT_TYPE; + return AXIS2_SUCCESS; + } + return AXIS2_FAILURE; +} + +AXIS2_EXTERN axis2_status_t AXIS2_CALL +axiom_xml_reader_init() +{ + xmlInitParser(); + return AXIS2_SUCCESS; +} + +AXIS2_EXTERN axis2_status_t AXIS2_CALL +axiom_xml_reader_cleanup() +{ + xmlCleanupParser(); + return AXIS2_SUCCESS; +} + +static axis2_libxml2_reader_wrapper_impl_t* +libxml2_reader_wrapper_create( + const axutil_env_t *env) +{ + axis2_libxml2_reader_wrapper_impl_t *wrapper_impl = NULL; + wrapper_impl = (axis2_libxml2_reader_wrapper_impl_t *)AXIS2_MALLOC(env->allocator, + sizeof(axis2_libxml2_reader_wrapper_impl_t)); + + if(!wrapper_impl) + { + AXIS2_ERROR_SET(env->error, AXIS2_ERROR_NO_MEMORY, AXIS2_FAILURE); + AXIS2_LOG_ERROR(env->log, AXIS2_LOG_SI, "No memory. Cannot create libxml2 reader wrapper"); + return NULL; + } + memset(wrapper_impl, 0, sizeof(axis2_libxml2_reader_wrapper_impl_t)); + wrapper_impl->attribute_map = NULL; + wrapper_impl->namespace_map = NULL; + wrapper_impl->close_input_callback = NULL; + wrapper_impl->read_input_callback = NULL; + wrapper_impl->ctx = NULL; + wrapper_impl->current_namespace_count = 0; + wrapper_impl->current_attribute_count = 0; + wrapper_impl->current_event = -1; + return wrapper_impl; +} + +AXIS2_EXTERN axiom_xml_reader_t *AXIS2_CALL +axiom_xml_reader_create_for_file( + const axutil_env_t * env, + char *filename, + const axis2_char_t * encoding) +{ + + axis2_libxml2_reader_wrapper_impl_t *wrapper_impl = NULL; + AXIS2_ENV_CHECK(env, NULL); + AXIS2_PARAM_CHECK(env->error, filename, NULL); + + wrapper_impl = libxml2_reader_wrapper_create(env); + if(!wrapper_impl) + { + return NULL; + } + + wrapper_impl->reader = xmlReaderForFile(filename, encoding, XML_PARSE_RECOVER); + if(!(wrapper_impl->reader)) + { + AXIS2_FREE(env->allocator, wrapper_impl); + AXIS2_HANDLE_ERROR(env, AXIS2_ERROR_CREATING_XML_STREAM_READER, AXIS2_FAILURE); + return NULL; + } + + xmlTextReaderSetErrorHandler(wrapper_impl->reader, + (xmlTextReaderErrorFunc)axis2_libxml2_reader_wrapper_error_handler, (void *)env); + wrapper_impl->current_event = -1; + wrapper_impl->ctx = NULL; + axis2_libxml2_reader_wrapper_init_map(wrapper_impl); + + wrapper_impl->parser.ops = &axiom_xml_reader_ops_var; + return &(wrapper_impl->parser); +} + +AXIS2_EXTERN axiom_xml_reader_t *AXIS2_CALL +axiom_xml_reader_create_for_io( + const axutil_env_t * env, + AXIS2_READ_INPUT_CALLBACK read_input_callback, + AXIS2_CLOSE_INPUT_CALLBACK close_input_callback, + void *ctx, + const axis2_char_t * encoding) +{ + axis2_libxml2_reader_wrapper_impl_t *wrapper_impl = NULL; + + AXIS2_ENV_CHECK(env, NULL); + + if(!read_input_callback) + { + return NULL; + } + + wrapper_impl = libxml2_reader_wrapper_create(env); + if(!wrapper_impl) + { + return NULL; + } + wrapper_impl->close_input_callback = NULL; + wrapper_impl->read_input_callback = NULL; + wrapper_impl->read_input_callback = read_input_callback; + wrapper_impl->close_input_callback = close_input_callback; + wrapper_impl->ctx = ctx; + if(wrapper_impl->close_input_callback) + { + wrapper_impl->reader = xmlReaderForIO(axis2_libxml2_reader_wrapper_read_input_callback, + axis2_libxml2_reader_wrapper_close_input_callback, wrapper_impl, NULL, encoding, + XML_PARSE_RECOVER); + } + else + { + wrapper_impl->reader = xmlReaderForIO(axis2_libxml2_reader_wrapper_read_input_callback, + NULL, wrapper_impl, NULL, encoding, XML_PARSE_RECOVER); + } + if(!(wrapper_impl->reader)) + { + AXIS2_FREE(env->allocator, wrapper_impl); + AXIS2_HANDLE_ERROR(env, AXIS2_ERROR_CREATING_XML_STREAM_READER, AXIS2_FAILURE); + return NULL; + } + + xmlTextReaderSetErrorHandler(wrapper_impl->reader, + (xmlTextReaderErrorFunc)axis2_libxml2_reader_wrapper_error_handler, (void *)env); + + wrapper_impl->current_event = -1; + + axis2_libxml2_reader_wrapper_init_map(wrapper_impl); + + wrapper_impl->parser.ops = &axiom_xml_reader_ops_var; + return &(wrapper_impl->parser); +} + +AXIS2_EXTERN axiom_xml_reader_t *AXIS2_CALL +axiom_xml_reader_create_for_memory( + const axutil_env_t * env, + void *container, + int size, + const axis2_char_t * encoding, + int type) +{ + axis2_libxml2_reader_wrapper_impl_t *wrapper_impl = NULL; + + AXIS2_PARAM_CHECK(env->error, container, NULL); + + wrapper_impl = libxml2_reader_wrapper_create(env); + if(!wrapper_impl) + { + return NULL; + } + wrapper_impl->close_input_callback = NULL; + wrapper_impl->read_input_callback = NULL; + wrapper_impl->ctx = NULL; + + if(AXIS2_XML_PARSER_TYPE_BUFFER == type) + { + wrapper_impl->reader = xmlReaderForMemory((axis2_char_t *)container, size, NULL, encoding, + XML_PARSE_RECOVER); + } + else if(AXIS2_XML_PARSER_TYPE_DOC == type) + { + wrapper_impl->reader = xmlReaderWalker((xmlDocPtr)container); + } + else + { + AXIS2_FREE(env->allocator, wrapper_impl); + AXIS2_HANDLE_ERROR(env, AXIS2_ERROR_XML_PARSER_INVALID_MEM_TYPE, AXIS2_FAILURE); + return NULL; + } + + if(!(wrapper_impl->reader)) + { + AXIS2_FREE(env->allocator, wrapper_impl); + AXIS2_HANDLE_ERROR(env, AXIS2_ERROR_CREATING_XML_STREAM_READER, AXIS2_FAILURE); + return NULL; + } + + if(AXIS2_XML_PARSER_TYPE_BUFFER == type) + { + xmlTextReaderSetErrorHandler(wrapper_impl->reader, + (xmlTextReaderErrorFunc)axis2_libxml2_reader_wrapper_error_handler, (void *)env); + } + + wrapper_impl->current_event = -1; + + axis2_libxml2_reader_wrapper_init_map(wrapper_impl); + + wrapper_impl->parser.ops = &axiom_xml_reader_ops_var; + return &(wrapper_impl->parser); +} + +int AXIS2_CALL +axis2_libxml2_reader_wrapper_next( + axiom_xml_reader_t * parser, + const axutil_env_t * env) +{ + int ret_val = 0; + int node = 2; + int empty_check = 0; + axis2_libxml2_reader_wrapper_impl_t *parser_impl; + AXIS2_ENV_CHECK(env, -1); + parser_impl = AXIS2_INTF_TO_IMPL(parser); + ret_val = xmlTextReaderRead(parser_impl->reader); + if(ret_val == 0) + { + AXIS2_LOG_DEBUG(env->log, AXIS2_LOG_SI, "xml stream is over "); + } + if(ret_val == -1) + { + AXIS2_LOG_ERROR(env->log, AXIS2_LOG_SI, " error occurred in reading xml stream "); + return -1; + } + + if(ret_val == 1) + { + node = xmlTextReaderNodeType(parser_impl->reader); + parser_impl->current_event = parser_impl->event_map[node]; + parser_impl->current_attribute_count = 0; + parser_impl->current_namespace_count = 0; + + if(node == XML_READER_TYPE_ELEMENT) + { + empty_check = xmlTextReaderIsEmptyElement(parser_impl->reader); + axis2_libxml2_reader_wrapper_fill_maps(parser, env); + } + if(empty_check == 1) + { + parser_impl->current_event = AXIOM_XML_READER_EMPTY_ELEMENT; + return AXIOM_XML_READER_EMPTY_ELEMENT; + } + return parser_impl->event_map[node]; + } + else + { + return -1; + } +} + +/** + * If your application crashes here, it may be due to an earlier call to + * xmlCleanupParser() function. In client API, op_client create function has a call + * to axiom_xml_reader_init and op_client_free function has a call to axiom_xml_reader_cleanup + * function. You can avoid the call to axiom_xml_reader_cleanup using + * axis2_options_set_xml_parser_reset function in client API. + * refer to jira issue: https://issues.apache.org/jira/browse/AXIS2C-884 + */ +void AXIS2_CALL +axis2_libxml2_reader_wrapper_free( + axiom_xml_reader_t * parser, + const axutil_env_t * env) +{ + axis2_libxml2_reader_wrapper_impl_t *parser_impl = NULL; + parser_impl = AXIS2_INTF_TO_IMPL(parser); + if(parser_impl->ctx) + { + AXIS2_FREE(env->allocator, parser_impl->ctx); + } + + if(parser_impl->reader) + { + xmlTextReaderClose(parser_impl->reader); + xmlFreeTextReader(parser_impl->reader); + } + if(parser_impl->namespace_map) + { + AXIS2_FREE(env->allocator, parser_impl->namespace_map); + parser_impl->namespace_map = NULL; + } + if(parser_impl->attribute_map) + { + AXIS2_FREE(env->allocator, parser_impl->attribute_map); + parser_impl->attribute_map = NULL; + } + AXIS2_FREE(env->allocator, AXIS2_INTF_TO_IMPL(parser)); + return; +} + +int AXIS2_CALL +axis2_libxml2_reader_wrapper_get_attribute_count( + axiom_xml_reader_t * parser, + const axutil_env_t * env) +{ + axis2_libxml2_reader_wrapper_impl_t *parser_impl = NULL; + AXIS2_ENV_CHECK(env, AXIS2_FAILURE); + parser_impl = AXIS2_INTF_TO_IMPL(parser); + if(parser_impl->current_event == AXIOM_XML_READER_START_ELEMENT || parser_impl->current_event + == AXIOM_XML_READER_EMPTY_ELEMENT) + { + return parser_impl->current_attribute_count; + } + else + { + return 0; + } +} + +axis2_char_t *AXIS2_CALL +axis2_libxml2_reader_wrapper_get_attribute_name_by_number( + axiom_xml_reader_t * parser, + const axutil_env_t * env, + int i) +{ + axis2_libxml2_reader_wrapper_impl_t *parser_impl; + AXIS2_ENV_CHECK(env, NULL); + parser_impl = AXIS2_INTF_TO_IMPL(parser); + + if(parser_impl->current_attribute_count > 0 && parser_impl->current_attribute_count >= i) + { + int ret = + xmlTextReaderMoveToAttributeNo(parser_impl->reader, parser_impl->attribute_map[i]); + if(ret == 1) + { + return (axis2_char_t *)xmlTextReaderLocalName(parser_impl->reader); + } + else + { + return NULL; + } + } + return NULL; +} + +axis2_char_t *AXIS2_CALL +axis2_libxml2_reader_wrapper_get_attribute_prefix_by_number( + axiom_xml_reader_t * parser, + const axutil_env_t * env, + int i) +{ + axis2_libxml2_reader_wrapper_impl_t *parser_impl = NULL; + AXIS2_ENV_CHECK(env, NULL); + parser_impl = AXIS2_INTF_TO_IMPL(parser); + + if(parser_impl->current_attribute_count > 0 && parser_impl->current_attribute_count >= i) + { + int ret = + xmlTextReaderMoveToAttributeNo(parser_impl->reader, parser_impl->attribute_map[i]); + if(ret == 1) + { + return (axis2_char_t *)xmlTextReaderPrefix(parser_impl->reader); + } + else + { + return NULL; + } + } + return NULL; +} + +axis2_char_t *AXIS2_CALL +axis2_libxml2_reader_wrapper_get_attribute_value_by_number( + axiom_xml_reader_t * parser, + const axutil_env_t * env, + int i) +{ + + axis2_libxml2_reader_wrapper_impl_t *parser_impl; + AXIS2_ENV_CHECK(env, NULL); + parser_impl = AXIS2_INTF_TO_IMPL(parser); + + if(parser_impl->current_attribute_count > 0 && parser_impl->current_attribute_count >= i) + { + int ret = + xmlTextReaderMoveToAttributeNo(parser_impl->reader, parser_impl->attribute_map[i]); + if(ret == 1) + { + return (axis2_char_t *)xmlTextReaderValue(parser_impl->reader); + } + else + { + return NULL; + } + } + return NULL; +} + +axis2_char_t *AXIS2_CALL +axis2_libxml2_reader_wrapper_get_attribute_namespace_by_number( + axiom_xml_reader_t * parser, + const axutil_env_t * env, + int i) +{ + axis2_libxml2_reader_wrapper_impl_t *parser_impl; + AXIS2_ENV_CHECK(env, NULL); + parser_impl = AXIS2_INTF_TO_IMPL(parser); + + if(parser_impl->current_attribute_count > 0 && parser_impl->current_attribute_count >= i) + { + int ret = + xmlTextReaderMoveToAttributeNo(parser_impl->reader, parser_impl->attribute_map[i]); + + if(ret == 1) + { + return (axis2_char_t *)xmlTextReaderNamespaceUri(parser_impl-> reader); + } + else + { + return NULL; + } + } + return NULL; +} + +axis2_char_t *AXIS2_CALL +axis2_libxml2_reader_wrapper_get_value( + axiom_xml_reader_t * parser, + const axutil_env_t * env) +{ + axis2_libxml2_reader_wrapper_impl_t *parser_impl = NULL; + + AXIS2_ENV_CHECK(env, NULL); + parser_impl = AXIS2_INTF_TO_IMPL(parser); + return (axis2_char_t *)xmlTextReaderValue(parser_impl->reader); + +} + +int AXIS2_CALL +axis2_libxml2_reader_wrapper_get_namespace_count( + axiom_xml_reader_t * parser, + const axutil_env_t * env) +{ + axis2_libxml2_reader_wrapper_impl_t *parser_impl = NULL; + AXIS2_ENV_CHECK(env, AXIS2_FAILURE); + parser_impl = AXIS2_INTF_TO_IMPL(parser); + if(parser_impl->current_event == AXIOM_XML_READER_START_ELEMENT || parser_impl->current_event + == AXIOM_XML_READER_EMPTY_ELEMENT) + { + return parser_impl->current_namespace_count; + } + else + { + return 0; + } +} + +axis2_char_t *AXIS2_CALL +axis2_libxml2_reader_wrapper_get_namespace_uri_by_number( + axiom_xml_reader_t * parser, + const axutil_env_t * env, + int i) +{ + axis2_libxml2_reader_wrapper_impl_t *parser_impl = NULL; + AXIS2_ENV_CHECK(env, NULL); + parser_impl = AXIS2_INTF_TO_IMPL(parser); + + if(parser_impl->current_namespace_count > 0 && parser_impl->current_namespace_count >= i) + { + + int ret = + xmlTextReaderMoveToAttributeNo(parser_impl->reader, parser_impl->namespace_map[i]); + if(ret == 1) + { + return (axis2_char_t *)xmlTextReaderValue(parser_impl->reader); + } + else + return NULL; + } + return NULL; +} + +axis2_char_t *AXIS2_CALL +axis2_libxml2_reader_wrapper_get_namespace_prefix_by_number( + axiom_xml_reader_t * parser, + const axutil_env_t * env, + int i) +{ + axis2_libxml2_reader_wrapper_impl_t *parser_impl = NULL; + AXIS2_ENV_CHECK(env, NULL); + parser_impl = AXIS2_INTF_TO_IMPL(parser); + + if(parser_impl->current_namespace_count > 0 && parser_impl->current_namespace_count >= i) + { + int ret = + xmlTextReaderMoveToAttributeNo(parser_impl->reader, parser_impl->namespace_map[i]); + + if(ret == 1) + { + return (axis2_char_t *)xmlTextReaderLocalName(parser_impl->reader); + } + else + { + return NULL; + } + } + return NULL; +} + +axis2_char_t *AXIS2_CALL +axis2_libxml2_reader_wrapper_get_prefix( + axiom_xml_reader_t * parser, + const axutil_env_t * env) +{ + axis2_libxml2_reader_wrapper_impl_t *parser_impl = NULL; + parser_impl = AXIS2_INTF_TO_IMPL(parser); + xmlTextReaderMoveToElement(parser_impl->reader); + return (axis2_char_t *)xmlTextReaderPrefix(parser_impl->reader); +} + +axis2_char_t *AXIS2_CALL +axis2_libxml2_reader_wrapper_get_name( + axiom_xml_reader_t * parser, + const axutil_env_t * env) +{ + axis2_libxml2_reader_wrapper_impl_t *parser_impl = NULL; + parser_impl = AXIS2_INTF_TO_IMPL(parser); + xmlTextReaderMoveToElement(parser_impl->reader); + return (axis2_char_t *)xmlTextReaderLocalName(parser_impl->reader); +} + +axis2_char_t *AXIS2_CALL +axis2_libxml2_reader_wrapper_get_pi_target( + axiom_xml_reader_t * parser, + const axutil_env_t * env) +{ + axis2_libxml2_reader_wrapper_impl_t *parser_impl = NULL; + parser_impl = AXIS2_INTF_TO_IMPL(parser); + if(parser_impl->current_event == AXIOM_XML_READER_PROCESSING_INSTRUCTION) + { + return (axis2_char_t *)xmlTextReaderLocalName(parser_impl->reader); + } + else + { + return NULL; + } +} + +axis2_char_t *AXIS2_CALL +axis2_libxml2_reader_wrapper_get_dtd( + axiom_xml_reader_t * parser, + const axutil_env_t * env) +{ + axis2_libxml2_reader_wrapper_impl_t *parser_impl = NULL; + parser_impl = AXIS2_INTF_TO_IMPL(parser); + if(parser_impl->current_event == AXIOM_XML_READER_DOCUMENT_TYPE) + { + return (axis2_char_t *)xmlTextReaderLocalName(parser_impl->reader); + } + else + { + return NULL; + } +} + +axis2_char_t *AXIS2_CALL +axis2_libxml2_reader_wrapper_get_pi_data( + axiom_xml_reader_t * parser, + const axutil_env_t * env) +{ + axis2_libxml2_reader_wrapper_impl_t *parser_impl = NULL; + parser_impl = AXIS2_INTF_TO_IMPL(parser); + if(parser_impl->current_event == AXIOM_XML_READER_PROCESSING_INSTRUCTION) + { + return (axis2_char_t *)xmlTextReaderValue(parser_impl->reader); + } + else + { + return NULL; + } +} + +void AXIS2_CALL +axis2_libxml2_reader_wrapper_xml_free( + axiom_xml_reader_t * parser, + const axutil_env_t * env, + void *data) +{ + AXIS2_ENV_CHECK(env, void); + if(data) + xmlFree(data); + return; +} + +axis2_char_t *AXIS2_CALL +axis2_libxml2_reader_wrapper_get_char_set_encoding( + axiom_xml_reader_t * parser, + const axutil_env_t * env) +{ + axis2_libxml2_reader_wrapper_impl_t *reader_impl = NULL; + reader_impl = AXIS2_INTF_TO_IMPL(parser); + return (axis2_char_t *)xmlTextReaderConstEncoding(reader_impl->reader); +} + +axis2_char_t *AXIS2_CALL +axis2_libxml2_reader_wrapper_get_namespace_uri( + axiom_xml_reader_t * parser, + const axutil_env_t * env) +{ + axis2_libxml2_reader_wrapper_impl_t *parser_impl = NULL; + parser_impl = AXIS2_INTF_TO_IMPL(parser); + return (axis2_char_t *)xmlTextReaderNamespaceUri(parser_impl->reader); +} + +axis2_char_t *AXIS2_CALL +axis2_libxml2_reader_wrapper_get_namespace_uri_by_prefix( + axiom_xml_reader_t * parser, + const axutil_env_t * env, + axis2_char_t * prefix) +{ + axis2_libxml2_reader_wrapper_impl_t *parser_impl = NULL; + parser_impl = AXIS2_INTF_TO_IMPL(parser); + if(!prefix || axutil_strcmp(prefix, "") == 0) + { + return NULL; + } + return (axis2_char_t *)xmlTextReaderLookupNamespace(parser_impl->reader, + (const xmlChar *)prefix); +} + +axis2_status_t +axis2_libxml2_reader_wrapper_fill_maps( + axiom_xml_reader_t * parser, + const axutil_env_t * env) +{ + int libxml2_attribute_count = 0; + int attr_count = 0; + int ns_count = 0; + int i = 0; + char *q_name = NULL; + axis2_libxml2_reader_wrapper_impl_t *parser_impl = NULL; + int map_size = 0; + AXIS2_ENV_CHECK(env, AXIS2_FAILURE); + parser_impl = AXIS2_INTF_TO_IMPL(parser); + + libxml2_attribute_count = xmlTextReaderAttributeCount(parser_impl->reader); + if(libxml2_attribute_count == 0) + { + parser_impl->current_attribute_count = 0; + parser_impl->current_namespace_count = 0; + return AXIS2_SUCCESS; + } + map_size = libxml2_attribute_count + 1; + if(parser_impl->namespace_map) + { + AXIS2_FREE(env->allocator, parser_impl->namespace_map); + parser_impl->namespace_map = NULL; + } + if(parser_impl->attribute_map) + { + AXIS2_FREE(env->allocator, parser_impl->attribute_map); + parser_impl->attribute_map = NULL; + } + parser_impl->attribute_map = AXIS2_MALLOC(env->allocator, sizeof(int) * map_size); + memset(parser_impl->attribute_map, 0, map_size * sizeof(int)); + + parser_impl->namespace_map = AXIS2_MALLOC(env->allocator, sizeof(int) * map_size); + memset(parser_impl->namespace_map, 0, map_size * sizeof(int)); + + for(i = 0; i < map_size; i++) + { + parser_impl->namespace_map[i] = -1; + parser_impl->attribute_map[i] = -1; + } + + for(i = 0; i < libxml2_attribute_count; i++) + { + xmlTextReaderMoveToAttributeNo(parser_impl->reader, i); + q_name = (char *)xmlTextReaderName(parser_impl->reader); + if(q_name) + { + if((strcmp(q_name, "xmlns") == 0) || (strncmp(q_name, "xmlns:", 6) == 0)) + { + /* found a namespace */ + ns_count++; + parser_impl->namespace_map[ns_count] = i; + } + else + { + /* found an attribute */ + attr_count++; + parser_impl->attribute_map[attr_count] = i; + } + + xmlFree(q_name); + q_name = NULL; + } + + parser_impl->current_attribute_count = attr_count; + parser_impl->current_namespace_count = ns_count; + } + return AXIS2_SUCCESS; +} + +static int +axis2_libxml2_reader_wrapper_read_input_callback( + void *ctx, + char *buffer, + int size) +{ + return ((axis2_libxml2_reader_wrapper_impl_t *)ctx)-> read_input_callback(buffer, size, + ((axis2_libxml2_reader_wrapper_impl_t *)ctx)->ctx); +} + +void +axis2_libxml2_reader_wrapper_error_handler( + void *arg, + const char *msg, + int severities, + void *locator_ptr) +{ + const axutil_env_t *env = NULL; + env = (const axutil_env_t *)arg; + + switch(severities) + { + case XML_PARSER_SEVERITY_VALIDITY_WARNING: + { + AXIS2_LOG_ERROR(env->log, AXIS2_LOG_SI, "%s VALIDITY WARNTING", msg); + } + break; + case XML_PARSER_SEVERITY_VALIDITY_ERROR: + { + AXIS2_LOG_ERROR(env->log, AXIS2_LOG_SI, "%s -- VALIDITY ERROR", msg); + } + break; + case XML_PARSER_SEVERITY_WARNING: + { + AXIS2_LOG_ERROR(env->log, AXIS2_LOG_SI, "%s -- VALIDITY ERROR", msg); + } + break; + case XML_PARSER_SEVERITY_ERROR: + { + AXIS2_LOG_ERROR(env->log, AXIS2_LOG_SI, "%s -- SEVERITY_ERROR", msg); + } + break; + default: + break; + } +} + +static int +axis2_libxml2_reader_wrapper_close_input_callback( + void *ctx) +{ + return ((axis2_libxml2_reader_wrapper_impl_t *)ctx)-> close_input_callback( + ((axis2_libxml2_reader_wrapper_impl_t *)ctx)-> ctx); +} |