yc561fo/usaa24
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Update sk1/main.c

Browse Source
This commit is contained in:
Yurii Chechur 2024-12-26 17:06:08 +00:00
parent f0122c07a0
commit c3a3eb374b
1 changed files with 22 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

36
sk1/main.c
View File

@ -7,16 +7,20 @@
void display_help();
int main(int argc, char *argv[]) {
if (argc < 3) {
// Перевірка кількості аргументів
if (argc < 4) {
display_help();
return -1;
}
// Імена вхідного та вихідного файлів
char *input_filename = argv[2];
char *output_filename = argv[3];
char *algorithm = argc >= 5 ? argv[4] : "rle"; // Алгоритм, за замовчуванням rle
if (argc == 4 && strcmp(argv[1], "-c") == 0) {
if (strstr(output_filename, ".rle") != NULL) {
// Обробка компресії
if (argc >= 4 && strcmp(argv[1], "-c") == 0) {
if (strcmp(algorithm, "rle") == 0) {
printf("Compressing using RLE...\n");
int result = rle_compress(input_filename, output_filename);
if (result >= 0) {
@ -24,7 +28,7 @@ int main(int argc, char *argv[]) {
} else {
printf("Compression failed with error code %d\n", result);
}
} else if (strstr(output_filename, ".lz77") != NULL) {
} else if (strcmp(algorithm, "lz77") == 0) {
printf("Compressing using LZ77...\n");
int result = lz77_compress(input_filename, output_filename);
if (result >= 0) {
@ -33,11 +37,13 @@ int main(int argc, char *argv[]) {
printf("Compression failed with error code %d\n", result);
}
} else {
printf("Unsupported compression format.\n");
printf("Unsupported compression algorithm. Use 'rle' or 'lz77'.\n");
return -1;
}
}
else if (argc == 4 && strcmp(argv[1], "-d") == 0) {
// Обробка декомпресії
else if (argc >= 4 && strcmp(argv[1], "-d") == 0) {
if (strstr(input_filename, ".rle") != NULL) {
printf("Decompressing RLE...\n");
int result = rle_decompress(input_filename, output_filename);
@ -47,7 +53,7 @@ int main(int argc, char *argv[]) {
printf("Decompression failed with error code %d\n", result);
}
} else if (strstr(input_filename, ".lz77") != NULL) {
printf("Decompressing using LZ77...\n");
printf("Decompressing LZ77...\n");
int result = lz77_decompress(input_filename, output_filename);
if (result >= 0) {
printf("Decompression successful. Decompressed size: %d bytes\n", result);
@ -59,6 +65,8 @@ int main(int argc, char *argv[]) {
return -1;
}
}
// Виведення довідки
else if (argc == 3 && strcmp(argv[1], "-h") == 0) {
display_help();
} else {
@ -70,14 +78,14 @@ int main(int argc, char *argv[]) {
return 0;
}
// Функція для виведення довідки
void display_help() {
printf("Usage:\n");
printf(" -c infile outfile : Compress infile to outfile (.rle or .lz77).\n");
printf(" -d infile outfile : Decompress infile to outfile (.rle or .lz77).\n");
printf(" -h : Display this help message.\n");
printf("Example:\n");
printf(" compression_tool -c input.txt output.rle\n");
printf(" -c infile outfile [algorithm] : Compress infile to outfile. Algorithm can be 'rle' or 'lz77'. Default is 'rle'.\n");
printf(" -d compressed outfile : Decompress compressed to outfile.\n");
printf(" -h : Display this help message.\n");
printf("Examples:\n");
printf(" compression_tool -c input.txt output.rle rle\n");
printf(" compression_tool -c input.txt output.lz77 lz77\n");
printf(" compression_tool -d output.rle decompressed.txt\n");
printf(" compression_tool -c input.txt output.lz77\n");
printf(" compression_tool -d output.lz77 decompressed.txt\n");
}