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/*
* 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 = NULL;
FILE * f = NULL;
if(!file_name)
return NULL;
reader = (guththila_reader_t *)AXIS2_MALLOC(env->allocator, sizeof(guththila_reader_t));
if(!reader)
return NULL;
f = fopen(file_name, "r");
if(!f)
{
AXIS2_FREE(env->allocator, reader);
return NULL;
}
reader->fp = f;
reader->type = GUTHTHILA_FILE_READER;
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 = (guththila_reader_t *)AXIS2_MALLOC(env->allocator,
sizeof(guththila_reader_t));
if(reader)
{
reader->type = GUTHTHILA_MEMORY_READER;
reader->buff = buffer;
reader->buff_size = size;
reader->fp = NULL;
return reader;
}
return NULL;
}
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 = (guththila_reader_t *)AXIS2_MALLOC(env->allocator,
sizeof(guththila_reader_t));
if(reader)
{
reader->input_read_callback = input_read_callback;
reader->context = ctx;
reader->type = GUTHTHILA_IO_READER;
return reader;
}
return NULL;
}
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;
}
}
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