| /* |
| * 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 <stdlib.h> |
| #include <string.h> |
| #include <guththila_reader.h> |
| |
| GUTHTHILA_EXPORT guththila_reader_t * GUTHTHILA_CALL |
| guththila_reader_create_for_file( |
| guththila_char_t *file_name, |
| const axutil_env_t * env) |
| { |
| guththila_reader_t * reader; |
| FILE * f = NULL; |
| |
| if(!file_name) |
| { |
| AXIS2_LOG_ERROR(env->log, AXIS2_LOG_SI, "[guththila] invalid file name"); |
| AXIS2_ERROR_SET(env->error, AXIS2_ERROR_COULD_NOT_OPEN_FILE, AXIS2_FAILURE); |
| return NULL; |
| } |
| |
| reader = (guththila_reader_t *)AXIS2_MALLOC(env->allocator, sizeof(guththila_reader_t)); |
| if(!reader) |
| { |
| AXIS2_LOG_ERROR(env->log, AXIS2_LOG_SI, |
| "[guththila]insufficient memory to create guththila parser"); |
| AXIS2_ERROR_SET(env->error, AXIS2_ERROR_NO_MEMORY, AXIS2_FAILURE); |
| return NULL; |
| } |
| |
| f = fopen(file_name, "r"); |
| if(!f) |
| { |
| AXIS2_FREE(env->allocator, reader); |
| AXIS2_ERROR_SET(env->error, AXIS2_ERROR_COULD_NOT_OPEN_FILE, AXIS2_FAILURE); |
| AXIS2_LOG_ERROR(env->log, AXIS2_LOG_SI, "[guththila] unable to open file %s", file_name); |
| return NULL; |
| } |
| |
| reader->fp = f; |
| reader->type = GUTHTHILA_FILE_READER; |
| reader->buff = NULL; |
| reader->buff_size = 0; |
| reader->input_read_callback = NULL; |
| reader->context = NULL; |
| return reader; |
| } |
| |
| GUTHTHILA_EXPORT guththila_reader_t * GUTHTHILA_CALL |
| guththila_reader_create_for_memory( |
| void *buffer, |
| int size, |
| const axutil_env_t * env) |
| { |
| guththila_reader_t * reader; |
| reader = (guththila_reader_t *)AXIS2_MALLOC(env->allocator, sizeof(guththila_reader_t)); |
| if(!reader) |
| { |
| AXIS2_LOG_ERROR(env->log, AXIS2_LOG_SI, |
| "[guththila]insufficient memory to create guththila parser"); |
| AXIS2_ERROR_SET(env->error, AXIS2_ERROR_NO_MEMORY, AXIS2_FAILURE); |
| return NULL; |
| } |
| |
| reader->type = GUTHTHILA_MEMORY_READER; |
| reader->buff = buffer; |
| reader->buff_size = size; |
| reader->fp = NULL; |
| reader->input_read_callback = NULL; |
| reader->context = NULL; |
| return reader; |
| } |
| |
| GUTHTHILA_EXPORT guththila_reader_t * GUTHTHILA_CALL |
| guththila_reader_create_for_io( |
| GUTHTHILA_READ_INPUT_CALLBACK input_read_callback, |
| void *ctx, |
| const axutil_env_t * env) |
| { |
| guththila_reader_t * reader; |
| reader = (guththila_reader_t *)AXIS2_MALLOC(env->allocator, sizeof(guththila_reader_t)); |
| if(!reader) |
| { |
| AXIS2_LOG_ERROR(env->log, AXIS2_LOG_SI, |
| "[guththila]insufficient memory to create guththila parser"); |
| AXIS2_ERROR_SET(env->error, AXIS2_ERROR_NO_MEMORY, AXIS2_FAILURE); |
| return NULL; |
| } |
| |
| reader->input_read_callback = input_read_callback; |
| reader->context = ctx; |
| reader->type = GUTHTHILA_IO_READER; |
| reader->buff = NULL; |
| reader->buff_size = 0; |
| reader->fp = NULL; |
| return reader; |
| } |
| |
| GUTHTHILA_EXPORT void GUTHTHILA_CALL |
| guththila_reader_free( |
| guththila_reader_t * r, |
| const axutil_env_t * env) |
| { |
| if(r->type == GUTHTHILA_FILE_READER && r->fp) |
| { |
| fclose(r->fp); |
| } |
| if(r->type == GUTHTHILA_IO_READER && r->context) |
| { |
| AXIS2_FREE(env->allocator, r->context); |
| } |
| AXIS2_FREE(env->allocator, r); |
| |
| } |
| |
| GUTHTHILA_EXPORT int GUTHTHILA_CALL |
| guththila_reader_read( |
| guththila_reader_t * r, |
| guththila_char_t * buffer, |
| int offset, |
| int length, |
| const axutil_env_t * env) |
| { |
| int rt = r->type; |
| switch(rt) |
| { |
| case GUTHTHILA_FILE_READER: |
| return (int)fread(buffer + offset, 1, length, r->fp); |
| case GUTHTHILA_IO_READER: |
| return r->input_read_callback((buffer + offset), length, r->context); |
| default: |
| return 0; |
| } |
| } |
| |