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/*
Copyright (C) 2016-2017 Alexander Borisov
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
Author: lex.borisov@gmail.com (Alexander Borisov)
*/
#include "mycss/declaration/init.h"
mycss_declaration_t * mycss_declaration_create(void)
{
return (mycss_declaration_t*)mycore_calloc(1, sizeof(mycss_declaration_t));
}
mystatus_t mycss_declaration_init(mycss_entry_t* entry, mycss_declaration_t* declaration)
{
declaration->ref_entry = entry;
declaration->entry = NULL;
declaration->ending_token = MyCSS_TOKEN_TYPE_UNDEF;
/* Objects */
declaration->mcobject_entries = mcobject_create();
if(declaration->mcobject_entries == NULL)
return MyCSS_STATUS_ERROR_DECLARATION_ENTRY_CREATE;
mystatus_t myhtml_status = mcobject_init(declaration->mcobject_entries, 256, sizeof(mycss_declaration_entry_t));
if(myhtml_status)
return MyCSS_STATUS_ERROR_DECLARATION_ENTRY_INIT;
/* Stack */
declaration->stack = mycss_stack_create();
if(declaration->stack == NULL)
return MyCSS_STATUS_ERROR_MEMORY_ALLOCATION;
if(mycss_stack_init(declaration->stack, 512))
return MyCSS_STATUS_ERROR_MEMORY_ALLOCATION;
return MyCSS_STATUS_OK;
}
void mycss_declaration_clean(mycss_declaration_t* declaration)
{
declaration->entry = NULL;
declaration->ending_token = MyCSS_TOKEN_TYPE_UNDEF;
mycss_stack_clean(declaration->stack);
}
void mycss_declaration_clean_all(mycss_declaration_t* declaration)
{
declaration->entry = NULL;
declaration->ending_token = MyCSS_TOKEN_TYPE_UNDEF;
mcobject_clean(declaration->mcobject_entries);
mycss_stack_clean(declaration->stack);
}
mycss_declaration_t * mycss_declaration_destroy(mycss_declaration_t* declaration, bool self_destroy)
{
if(declaration == NULL)
return NULL;
declaration->mcobject_entries = mcobject_destroy(declaration->mcobject_entries, true);
declaration->stack = mycss_stack_destroy(declaration->stack, true);
if(self_destroy) {
mycore_free(declaration);
return NULL;
}
return declaration;
}
mycss_token_t * mycss_declaration_parse_token_callback(mycss_entry_t* entry, mycss_token_t* token)
{
if(token->type == MyCSS_TOKEN_TYPE_COMMENT)
return token;
bool last_response = true;
while((last_response = entry->parser(entry, token, last_response)) == false) {};
return entry->token;
}
void mycss_declaration_ending_token_type_set(mycss_declaration_t* declaration, mycss_token_type_t ending_token_type)
{
declaration->ending_token = ending_token_type;
}
mycss_token_type_t mycss_declaration_ending_token_type(mycss_declaration_t* declaration)
{
return declaration->ending_token;
}
mycss_declaration_entry_t * mycss_declaration_parse(mycss_declaration_t* declaration, myencoding_t encoding, const char* data, size_t data_size, mystatus_t* out_status)
{
if(data == NULL || data_size == 0) {
if(out_status)
*out_status = MyCSS_STATUS_OK;
return NULL;
}
mycss_declaration_clean(declaration);
mycss_entry_t *entry = declaration->ref_entry;
mycss_token_ready_callback_f tmp_token_ready_callback = entry->token_ready_callback;
entry->token_ready_callback = mycss_declaration_parse_token_callback;
entry->parser = mycss_declaration_state_begin;
entry->parser_original = NULL;
entry->parser_switch = NULL;
entry->state = MyCSS_TOKENIZER_STATE_DATA;
entry->state_back = MyCSS_TOKENIZER_STATE_DATA;
entry->declaration->ending_token = MyCSS_TOKEN_TYPE_UNDEF;
mycss_declaration_entry_t *dec_entry = NULL;
declaration->entry = &dec_entry;
declaration->entry_last = NULL;
/* parsing */
mycss_encoding_set(entry, encoding);
mystatus_t status = mycss_tokenizer_chunk(entry, data, data_size);
if(status != MyCSS_STATUS_OK) {
if(out_status)
*out_status = status;
entry->token_ready_callback = tmp_token_ready_callback;
return NULL;
}
status = mycss_tokenizer_end(entry);
mycss_declaration_parser_end(entry, NULL);
if(out_status)
*out_status = status;
entry->token_ready_callback = tmp_token_ready_callback;
if(dec_entry)
return dec_entry;
return NULL;
}
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