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find_strings.c
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find_strings.c
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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <dirent.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <regex.h>
#include <linux/limits.h>
#define MAX_STRINGS 1000
#define MAX_STRING_LENGTH 1024
// Function prototypes
void find_strings(const char *directory, const char *search_str, char strings[][MAX_STRING_LENGTH], int *count);
void save_to_json(const char strings[][MAX_STRING_LENGTH], int count, const char *output_file);
void sort_strings(char strings[][MAX_STRING_LENGTH], int count);
int string_contains(const char *str, regex_t *regex);
int main(int argc, char *argv[]) {
if (argc != 4) {
fprintf(stderr, "Usage: %s <search_string> <directory> <output_file>\n", argv[0]);
return 1;
}
const char *search_str = argv[1];
const char *directory = argv[2];
const char *output_file = argv[3];
char (*strings)[MAX_STRING_LENGTH] = malloc(MAX_STRINGS * MAX_STRING_LENGTH);
if (strings == NULL) {
perror("malloc");
return 1;
}
int count = 0;
find_strings(directory, search_str, strings, &count);
sort_strings(strings, count);
save_to_json(strings, count, output_file);
printf("Found %d strings containing '%s'.\n", count, search_str);
printf("Results saved to %s\n", output_file);
free(strings);
return 0;
}
void find_strings(const char *directory, const char *search_str, char strings[][MAX_STRING_LENGTH], int *count) {
DIR *dir = opendir(directory);
if (!dir) {
perror("opendir");
return;
}
struct dirent *entry;
struct stat statbuf;
regex_t regex;
// Compile the regex to find strings containing the search string
char regex_pattern[MAX_STRING_LENGTH];
snprintf(regex_pattern, sizeof(regex_pattern), "%s", search_str);
if (regcomp(®ex, regex_pattern, REG_EXTENDED)) {
fprintf(stderr, "Could not compile regex\n");
closedir(dir);
return;
}
while ((entry = readdir(dir)) != NULL) {
char path[PATH_MAX];
snprintf(path, sizeof(path), "%s/%s", directory, entry->d_name);
if (stat(path, &statbuf) == -1) {
perror("stat");
continue;
}
if (S_ISDIR(statbuf.st_mode)) {
if (strcmp(entry->d_name, ".") == 0 || strcmp(entry->d_name, "..") == 0) {
continue;
}
find_strings(path, search_str, strings, count);
} else if (S_ISREG(statbuf.st_mode)) {
if (strstr(entry->d_name, ".tsx") || strstr(entry->d_name, ".jsx")) {
FILE *file = fopen(path, "r");
if (!file) {
perror("fopen");
continue;
}
char line[MAX_STRING_LENGTH];
while (fgets(line, sizeof(line), file)) {
if (string_contains(line, ®ex)) {
// Replace single quotes with double quotes
for (char *p = line; *p; p++) {
if (*p == '\'') *p = '"';
}
// Remove newline character
line[strcspn(line, "\n")] = '\0';
strncpy(strings[(*count)++], line, MAX_STRING_LENGTH - 1);
if (*count >= MAX_STRINGS) {
fprintf(stderr, "Reached maximum number of strings (%d)\n", MAX_STRINGS);
fclose(file);
closedir(dir);
regfree(®ex);
return;
}
}
}
fclose(file);
}
}
}
closedir(dir);
regfree(®ex);
}
void save_to_json(const char strings[][MAX_STRING_LENGTH], int count, const char *output_file) {
FILE *file = fopen(output_file, "w");
if (!file) {
perror("fopen");
return;
}
fprintf(file, "[\n");
for (int i = 0; i < count; i++) {
fprintf(file, " \"%s\"%s", strings[i], (i == count - 1) ? "" : ",\n");
}
fprintf(file, "]\n");
fclose(file);
}
void sort_strings(char strings[][MAX_STRING_LENGTH], int count) {
for (int i = 0; i < count - 1; i++) {
for (int j = i + 1; j < count; j++) {
if (strcmp(strings[i], strings[j]) > 0) {
char temp[MAX_STRING_LENGTH];
strncpy(temp, strings[i], MAX_STRING_LENGTH);
strncpy(strings[i], strings[j], MAX_STRING_LENGTH);
strncpy(strings[j], temp, MAX_STRING_LENGTH);
}
}
}
}
int string_contains(const char *str, regex_t *regex) {
return regexec(regex, str, 0, NULL, 0) == 0;
}