67 lines
2.2 KiB
C
67 lines
2.2 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "compressor.h"
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void print_help() {
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printf("Použitie:\n");
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printf(" ./compressor -c infile outfile # Kompresia pomocou algoritmu RLE\n");
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printf(" ./compressor -d infile outfile # Dekompresia pomocou algoritmu RLE\n");
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printf(" ./compressor -c2 infile outfile # Kompresia pomocou algoritmu LZ78\n");
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printf(" ./compressor -d2 infile outfile # Dekompresia pomocou algoritmu LZ78\n");
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printf(" ./compressor -h # Zobrazit pomoc\n");
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}
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int main(int argc, char* argv[]) {
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int res = 1;
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if (argc < 2) {
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fprintf(stderr, "Chyba: Chybaju argumenty. Pouzite -h pre zobrazenie pomoci.\n");
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res = 0;
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}
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if (strcmp(argv[1], "-h") == 0) {
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print_help();
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res = 0;
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}
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if ((strcmp(argv[1], "-c") == 0 || strcmp(argv[1], "-d") == 0 ||
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strcmp(argv[1], "-c2") == 0 || strcmp(argv[1], "-d2") == 0) && argc != 4) {
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fprintf(stderr, "Chyba: Nespravny pocet argumentov. Pouzite -h pre zobrazenie pomoci.\n");
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res = 0;
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}
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const char* input_file = argv[2];
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const char* output_file = argv[3];
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int result = 0;
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if (strcmp(argv[1], "-c") == 0) {
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result = compress_1(input_file, output_file);
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if (result < 0) {
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fprintf(stderr, "Chyba: Kompresia zlyhala.\n");
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res = 0;
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}
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} else if (strcmp(argv[1], "-d") == 0) {
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result = decompress_1(input_file, output_file);
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if (result < 0) {
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fprintf(stderr, "Chyba: Dekompresia zlyhala.\n");
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res = 0;
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}
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} else if (strcmp(argv[1], "-c2") == 0) {
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result = compress_2(input_file, output_file);
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if (result < 0) {
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fprintf(stderr, "Chyba: Kompresia zlyhala.\n");
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res = 0;
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}
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} else if (strcmp(argv[1], "-d2") == 0) {
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result = decompress_2(input_file, output_file);
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if (result < 0) {
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fprintf(stderr, "Chyba: Dekompresia zlyhala.\n");
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res = 0;
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}
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} else {
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fprintf(stderr, "Chyba: Neznámy argument. Použite -h pre zobrazenie pomoci.\n");
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res = 0;
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}
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return result;
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} |