92 lines
2.7 KiB
C
92 lines
2.7 KiB
C
#ifndef UTILITIES_H
|
|
#define UTILITIES_H
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <errno.h>
|
|
#include <dirent.h>
|
|
#include <sys/stat.h>
|
|
#include <unistd.h>
|
|
|
|
#include "file.h"
|
|
#include "action_list.h"
|
|
|
|
#define RESET "\033[0m"
|
|
#define RED_BG "\033[41m"
|
|
#define GREEN_BG "\033[42m"
|
|
#define BLACK_FG "\033[30m"
|
|
|
|
typedef enum {
|
|
PT_NOEXIST,
|
|
PT_FILE,
|
|
PT_DIR,
|
|
PT_OTHER,
|
|
PT_ERROR
|
|
} PathType;
|
|
|
|
PathType get_path_type(const char* path) {
|
|
struct stat st;
|
|
int rc = stat(path, &st);
|
|
if (rc != 0) {
|
|
return (errno == ENOENT) ? PT_NOEXIST : PT_ERROR;
|
|
}
|
|
if (S_ISREG(st.st_mode)) return PT_FILE;
|
|
if (S_ISDIR(st.st_mode)) return PT_DIR;
|
|
return PT_OTHER;
|
|
}
|
|
|
|
void visualize_diff(File* old_version, File* new_version, ActionList* actions) {
|
|
int* deleted_lines = calloc(old_version->lines, sizeof(int));
|
|
int* inserted_lines = calloc(new_version->lines, sizeof(int));
|
|
|
|
if (!deleted_lines || !inserted_lines) {
|
|
free(deleted_lines);
|
|
free(inserted_lines);
|
|
return;
|
|
}
|
|
|
|
for (uint64_t i = 0; i < actions->len; i++) {
|
|
if (actions->actions[i].type == DELETE) {
|
|
deleted_lines[actions->actions[i].line_original] = 1;
|
|
} else if (actions->actions[i].type == INSERT) {
|
|
inserted_lines[actions->actions[i].line_changed] = 1;
|
|
}
|
|
}
|
|
|
|
uint64_t old_idx = 0, new_idx = 0;
|
|
|
|
while (old_idx < old_version->lines || new_idx < new_version->lines) {
|
|
// DELETE
|
|
if (old_idx < old_version->lines && deleted_lines[old_idx]) {
|
|
printf("%s%s%4ld | %s%s\n", RED_BG, BLACK_FG, old_idx+1, old_version->content[old_idx], RESET);
|
|
old_idx++;
|
|
}
|
|
// INSERT
|
|
else if (new_idx < new_version->lines && inserted_lines[new_idx]) {
|
|
printf("%s%s %4ld | %s%s\n", GREEN_BG, BLACK_FG, new_idx+1, new_version->content[new_idx], RESET);
|
|
new_idx++;
|
|
}
|
|
// STAYS
|
|
else if (old_idx < old_version->lines && new_idx < new_version->lines) {
|
|
printf("%4ld %4ld | %s\n", old_idx+1, new_idx+1, old_version->content[old_idx]);
|
|
old_idx++;
|
|
new_idx++;
|
|
}
|
|
// DELETE
|
|
else if (old_idx < old_version->lines) {
|
|
printf("%s%s%4ld | %s%s\n", RED_BG, BLACK_FG, old_idx+1, old_version->content[old_idx], RESET);
|
|
old_idx++;
|
|
}
|
|
// INSERT
|
|
else if (new_idx < new_version->lines) {
|
|
printf("%s%s %4ld | %s%s\n", GREEN_BG, BLACK_FG, new_idx+1, new_version->content[new_idx], RESET);
|
|
new_idx++;
|
|
}
|
|
}
|
|
|
|
free(deleted_lines);
|
|
free(inserted_lines);
|
|
}
|
|
|
|
#endif // UTILITIES_H
|