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sk1

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This commit is contained in:
Bohdan Kapliuk 2025-01-12 17:02:25 +02:00
parent 6e906c76fc
commit f64b7a8677
1 changed files with 48 additions and 27 deletions
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75
sk1/main.c
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@ -1,45 +1,66 @@
#include "compressor.h"
#include <stdio.h> #include <stdio.h>
#include <stdlib.h> #include <stdlib.h>
#include <string.h> #include <string.h>
#include "compressor.h"
void print_usage() { void print_help() {
printf("Usage:\n"); printf("Použitie:\n");
printf("./compressor -c infile outfile\n"); printf(" ./compressor -c infile outfile # Kompresia pomocou algoritmu RLE\n");
printf("./compressor -d infile outfile\n"); printf(" ./compressor -d infile outfile # Dekompresia pomocou algoritmu RLE\n");
printf("./compressor -h\n"); printf(" ./compressor -c2 infile outfile # Kompresia pomocou algoritmu LZ78\n");
printf(" ./compressor -d2 infile outfile # Dekompresia pomocou algoritmu LZ78\n");
printf(" ./compressor -h # Zobrazit pomoc\n");
} }
int main(int argc, char* argv[]) { int main(int argc, char* argv[]) {
if (argc < 4) { if (argc < 2) {
print_usage(); fprintf(stderr, "Chyba: Chybaju argumenty. Pouzite -h pre zobrazenie pomoci.\n");
return 1; return -1;
}
if (strcmp(argv[1], "-h") == 0) {
print_help();
return -1;
}
if ((strcmp(argv[1], "-c") == 0 || strcmp(argv[1], "-d") == 0 ||
strcmp(argv[1], "-c2") == 0 || strcmp(argv[1], "-d2") == 0) && argc != 4) {
fprintf(stderr, "Chyba: Nespravny pocet argumentov. Pouzite -h pre zobrazenie pomoci.\n");
return -1;
} }
const char* operation = argv[1];
const char* input_file = argv[2]; const char* input_file = argv[2];
const char* output_file = argv[3]; const char* output_file = argv[3];
int result = 0;
int result = 1; if (strcmp(argv[1], "-c") == 0) {
result = compress_1(input_file, output_file);
if (strcmp(operation, "-c") == 0) { if (result < 0) {
if (compress_1(input_file, output_file) == 0) { fprintf(stderr, "Chyba: Kompresia zlyhala.\n");
result = 0; return -1;
} else if (compress_2(input_file, output_file) == 0) {
result = 0;
} }
} else if (strcmp(operation, "-d") == 0) { } else if (strcmp(argv[1], "-d") == 0) {
if (decompress_1(input_file, output_file) == 0) { result = decompress_1(input_file, output_file);
result = 0; if (result < 0) {
} else if (decompress_2(input_file, output_file) == 0) { fprintf(stderr, "Chyba: Dekompresia zlyhala.\n");
result = 0; return -1;
}
} else if (strcmp(argv[1], "-c2") == 0) {
result = compress_2(input_file, output_file);
if (result < 0) {
fprintf(stderr, "Chyba: Kompresia zlyhala.\n");
return -1;
}
} else if (strcmp(argv[1], "-d2") == 0) {
result = decompress_2(input_file, output_file);
if (result < 0) {
fprintf(stderr, "Chyba: Dekompresia zlyhala.\n");
return -1;
} }
} else if (strcmp(operation, "-h") == 0) {
print_usage();
result = 0;
} else { } else {
print_usage(); fprintf(stderr, "Chyba: Neznámy argument. Použite -h pre zobrazenie pomoci.\n");
return -1;
} }
return result; return 0;
} }