main.c

#include <sys/stat.h>
#include <stdio.h>
#include <string.h>
#include <getopt.h>
#include <ctype.h>
#include <igraph.h>
#include "sia2graph.tab.h"
#include "sia.h"

char* __src_file_name;
extern FILE *zzin;
extern int zzparse( void** );
extern int zzlex_destroy();


int main( int argc, char **argv ) {
    void* sias = NULL;
    const char* build_path = NULL;
    const char* format = NULL;
    FILE* src_smx;
    int c;
    sia_t* symbols = NULL;

    igraph_i_set_attribute_table( &igraph_cattribute_table );

    while( ( c = getopt( argc, argv, "hvp:f:" ) ) != -1 )
        switch( c ) {
            case 'h':
                printf( "Usage:\n  %s [OPTION...] FILE\n\n", argv[0] );
                printf( "Options:\n" );
                printf( "  -h            This message\n" );
                printf( "  -v            Version\n" );
                printf( "  -p 'path'     Build path to folder where the output files will be stored\n" );
                printf( "  -f 'format'   Format of the graph either 'gml' or 'graphml'\n" );
                return 0;
            case 'v':
                printf( "smxc-v0.0.1\n" );
                return 0;
            case 'p':
                build_path = optarg;
                break;
            case 'f':
                format = optarg;
                break;
            case '?':
                if( ( optopt == 'p' ) || ( optopt == 'f' ) )
                    fprintf ( stderr, "Option -%c requires an argument.\n",
                            optopt );
                else if ( isprint (optopt) )
                    fprintf ( stderr, "Unknown option `-%c'.\n", optopt );
                else
                    fprintf ( stderr, "Unknown option character `\\x%x'.\n",
                            optopt );
                return 1;
            default:
                abort();
        }
    if( argc <= optind ) {
        fprintf( stderr, "Missing argument!\n" );
        return -1;
    }
    __src_file_name = argv[ optind ];

    src_smx = fopen( __src_file_name, "r" );
    // make sure it is valid:
    if( !src_smx ) {
        printf( "Cannot open file '%s'!\n", __src_file_name );
        return -1;
    }
    if( format == NULL ) format = G_FMT_GRAPHML;
    if( build_path == NULL ) build_path = "./build";
    mkdir( build_path, 0755 );
    // set flex to read from it instead of defaulting to STDIN    yyin = myfile;
    zzin = src_smx;

    // parse through the input until there is no more:
    do {
        zzparse( &sias );
    } while( !feof( zzin ) );
    fclose( src_smx );

    if( sias == NULL ) return -1;

    sia_check( sias, &symbols );
    sias_write( &symbols, build_path, format );

    /* if( zznerrs > 0 ) printf( " Error count: %d\n", zznerrs ); */

    // cleanup
    sias_destroy( sias, &symbols );
    zzlex_destroy();

    return 0;
}