/*
 * 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_TOKEN_H
#define GUTHTHILA_TOKEN_H

#include <guththila_defines.h>
#include <guththila_stack.h>

EXTERN_C_START()  

typedef struct guththila_token_s
{
    short type;
    guththila_char_t *start;
    int _start;
    size_t size;
    int last;
    int ref;
} guththila_token_t;

enum guththila_token_type
{
    _Unknown = 1, 
	_name, 
	_attribute_name, 
	_attribute_value, 
	_prefix,
    _char_data, 
	_text_data
};

typedef struct guththila_tok_list_s
{
    guththila_stack_t fr_stack;
    guththila_token_t **list;
    int no_list;
    int cur_list;
    int *capacity;    
} guththila_tok_list_t;

#ifndef GUTHTHILA_TOK_DEF_SIZE
#define GUTHTHILA_TOK_DEF_SIZE 16
#endif  

#ifndef GUTHTHILA_TOK_DEF_LIST_SIZE
#define GUTHTHILA_TOK_DEF_LIST_SIZE 16
#endif 

#ifndef GUTHTHILA_TOKEN_LEN
#define GUTHTHILA_TOKEN_LEN(tok) (tok->size)
#endif  

#ifndef GUTHTHILA_TOKEN_TO_STRING
#define GUTHTHILA_TOKEN_TO_STRING(tok, string, _env) \
    { \
        string  = (guththila_char_t *) AXIS2_MALLOC(_env->allocator, (GUTHTHILA_TOKEN_LEN(tok) + 1) * sizeof(guththila_char_t)); \
        memcpy(string, (tok)->start, GUTHTHILA_TOKEN_LEN(tok));         \
        string[GUTHTHILA_TOKEN_LEN(tok)] = 0; \
    }
#endif  

/*
 * Initialize token list.
 */
int GUTHTHILA_CALL
guththila_tok_list_init(
    guththila_tok_list_t * tok_list,
    const axutil_env_t * env);

/* 
 * Free the token list. Allocated tokens are not free. 
 */
void GUTHTHILA_CALL
guththila_tok_list_free(
    guththila_tok_list_t * tok_list,
    const axutil_env_t * env);

/*
 * Get a token from the list.
 */
guththila_token_t *
GUTHTHILA_CALL guththila_tok_list_get_token(
	guththila_tok_list_t * tok_list,
    const axutil_env_t * env);

/*
 * Release a token to the token list.
 */
int GUTHTHILA_CALL
guththila_tok_list_release_token(
    guththila_tok_list_t * tok_list,
    guththila_token_t * token,
    const axutil_env_t * env);

/*
 * Free the tokens in the token list.
 */
void GUTHTHILA_CALL
guththila_tok_list_free_data(
    guththila_tok_list_t * tok_list,
    const axutil_env_t * env);

/*
 * Grow the token list.
 */
int GUTHTHILA_CALL
guththila_tok_list_grow(
    guththila_tok_list_t * tok_list,
    const axutil_env_t * env);

/*
 * Compare a token with a string.
 * Return 0 if match. 
 */
int GUTHTHILA_CALL
guththila_tok_str_cmp(
    guththila_token_t * tok,
    guththila_char_t *str,
    size_t str_len,
    const axutil_env_t * env);

/* 
 * Compare two tokens for string equalance 
 * Return 0 if match. 
 */
int GUTHTHILA_CALL
guththila_tok_tok_cmp(
    guththila_token_t * tok1,
    guththila_token_t * tok2,
    const axutil_env_t * env);

void GUTHTHILA_CALL
guththila_set_token(
    guththila_token_t* tok,
    guththila_char_t* start,
    short type,
    int size,
    int _start,
    int last,
    int ref,
    const axutil_env_t* env);

EXTERN_C_END() 
#endif