 
/*
 * 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.
 */
#ifndef GUTHTHILA_H
#define GUTHTHILA_H

#include <guththila_defines.h>
#include <guththila_token.h>
#include <guththila_reader.h>
#include <guththila_xml_writer.h>
#include <guththila_attribute.h>
#include <guththila_namespace.h>
#include <guththila_buffer.h>
#include <guththila_stack.h>
#include <guththila_error.h>

#include <axutil_utils.h>

/*
All the functions in this library does not check weather the given arguments are NULL.
It is the responsblity of the user to check weather the arguments contain NULL values.
*/
EXTERN_C_START()  enum guththila_status
{
    S_0 = 0, 
	S_1, 
	S_2, 
	S_3
};

enum guththila_UTF16_endianess
{
    None = 1, 
	LE, 
	BE 
};

typedef enum guththila_type
{
    type_file_name = 0, 
	type_memory_buffer, 
	type_reader, 
	type_io
} guththila_type_t;

enum guththila_event_types
{
    GUTHTHILA_START_DOCUMENT =0, 
	GUTHTHILA_END_ELEMENT, 
	GUTHTHILA_CHARACTER,
    GUTHTHILA_ENTITY_REFERANCE, 
	GUTHTHILA_COMMENT,
    GUTHTHILA_SPACE, 
	GUTHTHILA_START_ELEMENT,
    GUTHTHILA_EMPTY_ELEMENT
};

typedef struct guththila_s
{

    guththila_tok_list_t tokens;

    guththila_buffer_t buffer;
    
    guththila_reader_t *reader;

    guththila_token_t *prefix;

    guththila_token_t *name;

    guththila_token_t *value;
    
    guththila_stack_t elem;

    guththila_stack_t attrib;

    guththila_stack_t namesp;
    
	int is_whitespace;

    int is_char;

    int unicode_state;

    int status;

    int guththila_event;

    size_t next;

    int last_start;

    guththila_token_t *temp_prefix;

    guththila_token_t *temp_name;

    guththila_token_t *temp_tok;
} guththila_t;


typedef struct guththila_elem_namesp_s
{
    guththila_namespace_t *namesp;
    int no;
    int size;    
} guththila_elem_namesp_t;

typedef struct guththila_element_s
{
    guththila_token_t *name;

    guththila_token_t *prefix;
    
	int is_namesp;    
} guththila_element_t;

GUTHTHILA_EXPORT int GUTHTHILA_CALL
guththila_init(guththila_t * m, void *reader, 
			   const axutil_env_t * env);

GUTHTHILA_EXPORT guththila_t * GUTHTHILA_CALL 
guththila_create(void *reader, const axutil_env_t *env);

GUTHTHILA_EXPORT void GUTHTHILA_CALL
guththila_free(guththila_t * m, const axutil_env_t * env);

GUTHTHILA_EXPORT int GUTHTHILA_CALL
guththila_un_init(guththila_t * m, const axutil_env_t * env);

typedef void(GUTHTHILA_CALL * guththila_error_func)(void *arg, 
													const guththila_char_t *msg, 
													guththila_error_level level, 
													void *locator);

/*
Public functions for reading XML documents
*/
GUTHTHILA_EXPORT int GUTHTHILA_CALL
guththila_next(guththila_t * p, const axutil_env_t * env);

GUTHTHILA_EXPORT int GUTHTHILA_CALL
guththila_get_attribute_count(guththila_t * p, const axutil_env_t * env);

GUTHTHILA_EXPORT guththila_char_t * GUTHTHILA_CALL
guththila_get_attribute_name(guththila_t * p, guththila_attr_t * att, 
							 const axutil_env_t * env);

GUTHTHILA_EXPORT guththila_char_t * GUTHTHILA_CALL  
guththila_get_attribute_value(guththila_t * p, 
							  guththila_attr_t * att, 
							  const axutil_env_t * env);

GUTHTHILA_EXPORT guththila_char_t *GUTHTHILA_CALL  
guththila_get_attribute_prefix(guththila_t * p, 
							   guththila_attr_t * att, 
							   const axutil_env_t * env);

GUTHTHILA_EXPORT guththila_attr_t *GUTHTHILA_CALL  
guththila_get_attribute(guththila_t * p, const axutil_env_t * env);

GUTHTHILA_EXPORT guththila_char_t *GUTHTHILA_CALL  
guththila_get_attribute_name_by_number(guththila_t * p, int i, 
									   const axutil_env_t *env);

GUTHTHILA_EXPORT guththila_char_t *GUTHTHILA_CALL  
guththila_get_attribute_value_by_number(guththila_t * p, int i, 
										const axutil_env_t *env);

GUTHTHILA_EXPORT guththila_char_t *GUTHTHILA_CALL  
guththila_get_attribute_prefix_by_number(guththila_t * p, int i, 
										 const axutil_env_t *env);

GUTHTHILA_EXPORT guththila_char_t *GUTHTHILA_CALL  
guththila_get_name(guththila_t * p, const axutil_env_t * env);

GUTHTHILA_EXPORT guththila_char_t *GUTHTHILA_CALL  
guththila_get_prefix(guththila_t * p, const axutil_env_t * env);

GUTHTHILA_EXPORT guththila_char_t *GUTHTHILA_CALL  
guththila_get_value(guththila_t * p, const axutil_env_t * env);

GUTHTHILA_EXPORT guththila_namespace_t *GUTHTHILA_CALL  
guththila_get_namespace(guththila_t * p, const axutil_env_t * env);

GUTHTHILA_EXPORT int GUTHTHILA_CALL
guththila_get_namespace_count(guththila_t * p, const axutil_env_t * env);

GUTHTHILA_EXPORT guththila_char_t * GUTHTHILA_CALL
guththila_get_namespace_uri(guththila_t * p, guththila_namespace_t * ns, 
							const axutil_env_t * env);

GUTHTHILA_EXPORT guththila_char_t *GUTHTHILA_CALL  
guththila_get_namespace_prefix(guththila_t * p, guththila_namespace_t * ns, 
							   const axutil_env_t * env);

GUTHTHILA_EXPORT guththila_char_t *GUTHTHILA_CALL  
guththila_get_namespace_prefix_by_number(guththila_t * p, int i, 
										 const axutil_env_t *env);

GUTHTHILA_EXPORT guththila_char_t *GUTHTHILA_CALL  
guththila_get_namespace_uri_by_number(guththila_t * p, int i, 
									  const axutil_env_t *env);

GUTHTHILA_EXPORT guththila_char_t *GUTHTHILA_CALL  
guththila_get_attribute_namespace_by_number(guththila_t *p, int i, 
											const axutil_env_t *env);

GUTHTHILA_EXPORT guththila_char_t *GUTHTHILA_CALL  
guththila_get_encoding(guththila_t * p, const axutil_env_t * env);

GUTHTHILA_EXPORT void GUTHTHILA_CALL
guththila_set_error_handler(guththila_t * m, guththila_error_func, 
							const axutil_env_t * env);
EXTERN_C_END() 
#endif