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/*
* valerie_parser.c -- Valerie Parser for Miracle
* Copyright (C) 2002-2003 Ushodaya Enterprises Limited
* Author: Charles Yates <charles.yates@pandora.be>
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* System header files */
#include <stdio.h>
#include <stdarg.h>
#include <stdlib.h>
#include <string.h>
/* Application header files */
#include "valerie_parser.h"
#include "valerie_util.h"
/** Connect to the parser.
*/
valerie_response valerie_parser_connect( valerie_parser parser )
{
return parser->connect( parser->real );
}
/** Execute a command via the parser.
*/
valerie_response valerie_parser_execute( valerie_parser parser, char *command )
{
return parser->execute( parser->real, command );
}
/** Push a service via the parser.
*/
valerie_response valerie_parser_received( valerie_parser parser, char *command, char *doc )
{
return parser->received != NULL ? parser->received( parser->real, command, doc ) : NULL;
}
/** Push a service via the parser.
*/
valerie_response valerie_parser_push( valerie_parser parser, char *command, mlt_service service )
{
return parser->push( parser->real, command, service );
}
/** Execute a formatted command via the parser.
*/
valerie_response valerie_parser_executef( valerie_parser parser, const char *format, ... )
{
char *command = malloc( 10240 );
valerie_response response = NULL;
if ( command != NULL )
{
va_list list;
va_start( list, format );
if ( vsnprintf( command, 10240, format, list ) != 0 )
response = valerie_parser_execute( parser, command );
va_end( list );
free( command );
}
return response;
}
/** Execute the contents of a file. Note the special case valerie_response returned.
*/
valerie_response valerie_parser_run( valerie_parser parser, char *filename )
{
valerie_response response = valerie_response_init( );
if ( response != NULL )
{
FILE *file = fopen( filename, "r" );
if ( file != NULL )
{
char command[ 1024 ];
valerie_response_set_error( response, 201, "OK" );
while ( valerie_response_get_error_code( response ) == 201 && fgets( command, 1024, file ) )
{
valerie_util_trim( valerie_util_chomp( command ) );
if ( strcmp( command, "" ) && command[ 0 ] != '#' )
{
valerie_response temp = NULL;
valerie_response_printf( response, 1024, "%s\n", command );
temp = valerie_parser_execute( parser, command );
if ( temp != NULL )
{
int index = 0;
for ( index = 0; index < valerie_response_count( temp ); index ++ )
valerie_response_printf( response, 10240, "%s\n", valerie_response_get_line( temp, index ) );
valerie_response_close( temp );
}
else
{
valerie_response_set_error( response, 500, "Batch execution failed" );
}
}
}
fclose( file );
}
else
{
valerie_response_set_error( response, 404, "File not found." );
}
}
return response;
}
/** Get the notifier associated to the parser.
*/
valerie_notifier valerie_parser_get_notifier( valerie_parser parser )
{
if ( parser->notifier == NULL )
parser->notifier = valerie_notifier_init( );
return parser->notifier;
}
/** Close the parser.
*/
void valerie_parser_close( valerie_parser parser )
{
if ( parser != NULL )
{
parser->close( parser->real );
valerie_notifier_close( parser->notifier );
free( parser );
}
}
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