inputconvert.cpp

/*
 
 Copyright (c) 2012-2015, Michael (Mikhail) Yudelson
 All rights reserved.
 
 Redistribution and use in source and binary forms, with or without
 modification, are permitted provided that the following conditions are met:
 * Redistributions of source code must retain the above copyright
 notice, this list of conditions and the following disclaimer.
 * Redistributions in binary form must reproduce the above copyright
 notice, this list of conditions and the following disclaimer in the
 documentation and/or other materials provided with the distribution.
 * Neither the name of the Michael (Mikhail) Yudelson nor the
 names of other contributors may be used to endorse or promote products
 derived from this software without specific prior written permission.
 
 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE LIABLE FOR
 ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 */

//
//  The main executable of hte input conversion utility
//

#include "utils.h"
#include "InputUtil.h"
using namespace std;

char source_format = 't';
char target_format = 'b';
struct param param;

void exit_with_help() {
	printf(
		   "Usage: inputconvert [options] source_file [target_file]\n"
		   "options:\n"
		   "-s : source file format 't' - text, 'b' - binary  (default is 't' - text)\n"
		   "-t : target file format 't' - text, 'b' - binary  (default is 'b' - binary)\n"
           "-d : delimiter for multiple skills per observation; 0-single skill per\n"
           "     observation (default), otherwise -- delimiter character, e.g. '-d ~'.\n"
		   );
	exit(1);
}

void parse_arguments(int argc, char **argv, char *input_file_name, char *output_file_name) {
	// parse command line options, starting from 1 (0 is path to executable)
	// go in pairs, looking at whether first in pair starts with '-', if not, stop parsing arguments
	int i;
	for(i=1;i<argc;i++)
	{
		if(argv[i][0] != '-') break; // end of options stop parsing
		if(++i>=argc)
			exit_with_help();
		switch(argv[i-1][1])
		{
			case 's':
				source_format = argv[i][0];
                if( source_format!='t' && source_format!='b') {
					fprintf(stderr,"ERROR! source format should be either text 't', or binary 'b'\n");
					exit_with_help();
				}
				break;
			case 't':
				target_format = argv[i][0];
                if( target_format!='t' && target_format!='b') {
					fprintf(stderr,"ERROR! target format should be either text 't', or binary 'b'\n");
					exit_with_help();
				}
				break;
            case  'd':
				param.multiskill = argv[i][0]; // just grab first character (later, maybe several)
                break;
			default:
				fprintf(stderr,"unknown option: -%c\n", argv[i-1][1]);
				exit_with_help();
				break;
		}
	}
//    post-argument checks
    if( source_format == target_format) {
        fprintf(stderr,"ERROR! source and target formats should not be the same");
        exit_with_help();
    }
	
	// next argument should be input file name
	if(i>=argc) // if not
		exit_with_help(); // leave
	
	strcpy(input_file_name, argv[i++]); // copy and advance
	
	if(i>=argc) { // no output file name specified
        if(target_format=='b')
            strcpy(output_file_name,"output.bin");
        else
            strcpy(output_file_name,"output.txt");
	} else {
		strcpy(output_file_name,argv[i++]); // copy and advance
    }

}

int main (int argc, char ** argv) {
    
	clock_t tm0 = clock();
	char input_file[1024];
	char output_file[1024];
    
	set_param_defaults(&param);
	parse_arguments(argc, argv, input_file, output_file);
    
    if( source_format=='t') {
        InputUtil::readTxt(input_file, &param);
        InputUtil::toBin(&param, output_file);
    }
    else {
        InputUtil::readBin(input_file, &param);
    }
	// free data
	destroy_input_data(&param);
	
	if(param.quiet == 0)
		printf("overall time running is %8.6f seconds\n",(NUMBER)(clock()-tm0)/CLOCKS_PER_SEC);
    return 0;
}