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#include "Utility.h"
#include "../Scraping/Scraping.h"
#include <beaker.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
int hex_to_int(char c) {
if (c >= '0' && c <= '9')
return c - '0';
if (c >= 'a' && c <= 'f')
return c - 'a' + 10;
if (c >= 'A' && c <= 'F')
return c - 'A' + 10;
return -1;
}
char *get_theme(const char *default_theme) {
char *cookie = get_cookie("theme");
if (cookie &&
(strcmp(cookie, "light") == 0 ||
strcmp(cookie, "dark") == 0)) {
return cookie;
}
free(cookie);
return strdup(default_theme);
}
char *get_locale(const char *default_locale) {
char *cookie = get_cookie("locale");
if (cookie && beaker_get_locale_meta(cookie) != NULL) {
return cookie;
}
free(cookie);
return strdup(default_locale);
}
static int engine_id_casecmp(const char *a, const char *b) {
while (*a && *b) {
char la = *a;
char lb = *b;
if (la >= 'A' && la <= 'Z') la = la - 'A' + 'a';
if (lb >= 'A' && lb <= 'Z') lb = lb - 'A' + 'a';
if (la != lb) return 0;
a++;
b++;
}
return *a == *b;
}
int is_engine_id_enabled(const char *engine_id) {
if (!engine_id) return 0;
for (int i = 0; i < ENGINE_COUNT; i++) {
if (ENGINE_REGISTRY[i].enabled &&
engine_id_casecmp(ENGINE_REGISTRY[i].id, engine_id)) {
return 1;
}
}
return 0;
}
int get_user_engines(char ***out_ids, int *out_count) {
*out_ids = NULL;
*out_count = 0;
char *cookie = get_cookie("engines");
if (!cookie || cookie[0] == '\0') {
free(cookie);
return -1;
}
char **ids = NULL;
int count = 0;
char *copy = strdup(cookie);
if (!copy) {
free(cookie);
return -1;
}
char *saveptr;
char *token = strtok_r(copy, ",", &saveptr);
while (token) {
while (*token == ' ' || *token == '\t')
token++;
if (token[0] != '\0' && is_engine_id_enabled(token)) {
char **new_ids = realloc(ids, sizeof(char *) * (count + 1));
if (new_ids) {
ids = new_ids;
ids[count] = strdup(token);
count++;
}
}
token = strtok_r(NULL, ",", &saveptr);
}
free(copy);
free(cookie);
if (count == 0) {
free(ids);
return -1;
}
*out_ids = ids;
*out_count = count;
return 0;
}
int user_engines_contains(const char *engine_id, char **ids, int count) {
if (!engine_id || !ids) return 0;
for (int i = 0; i < count; i++) {
if (engine_id_casecmp(ids[i], engine_id))
return 1;
}
return 0;
}
int add_link_to_collection(const char *href, const char *label,
const char *class_name, char ****collection,
int **inner_counts, int current_count) {
char ***old_collection = *collection;
int *old_inner_counts = *inner_counts;
char ***new_collection =
(char ***)malloc(sizeof(char **) * (current_count + 1));
int *new_inner_counts =
(int *)malloc(sizeof(int) * (current_count + 1));
if (!new_collection || !new_inner_counts) {
free(new_collection);
free(new_inner_counts);
return current_count;
}
if (*collection && current_count > 0) {
memcpy(new_collection, *collection, sizeof(char **) * current_count);
}
if (*inner_counts && current_count > 0) {
memcpy(new_inner_counts, *inner_counts, sizeof(int) * current_count);
}
*collection = new_collection;
*inner_counts = new_inner_counts;
(*collection)[current_count] =
(char **)malloc(sizeof(char *) * LINK_FIELD_COUNT);
if (!(*collection)[current_count]) {
*collection = old_collection;
*inner_counts = old_inner_counts;
free(new_collection);
free(new_inner_counts);
return current_count;
}
(*collection)[current_count][0] = strdup(href ? href : "");
(*collection)[current_count][1] = strdup(label ? label : "");
(*collection)[current_count][2] = strdup(class_name ? class_name : "");
if (!(*collection)[current_count][0] || !(*collection)[current_count][1] ||
!(*collection)[current_count][2]) {
free((*collection)[current_count][0]);
free((*collection)[current_count][1]);
free((*collection)[current_count][2]);
free((*collection)[current_count]);
*collection = old_collection;
*inner_counts = old_inner_counts;
free(new_collection);
free(new_inner_counts);
return current_count;
}
(*inner_counts)[current_count] = LINK_FIELD_COUNT;
free(old_collection);
free(old_inner_counts);
return current_count + 1;
}
int build_pagination(int page,
char *(*href_builder)(int page, void *data), void *data,
char ****out_matrix, int **out_inner_counts) {
enum { PAGER_WINDOW_SIZE = 5 };
*out_matrix = NULL;
*out_inner_counts = NULL;
int count = 0;
int pager_start = page <= 3 ? 1 : page - 2;
int pager_end = pager_start + PAGER_WINDOW_SIZE - 1;
if (page > 1) {
char *href = href_builder(page - 1, data);
count = add_link_to_collection(href, "<", "pagination-btn prev",
out_matrix, out_inner_counts, count);
free(href);
}
for (int i = pager_start; i <= pager_end; i++) {
char label[16];
snprintf(label, sizeof(label), "%d", i);
char *href = href_builder(i, data);
count = add_link_to_collection(
href, label,
i == page ? "pagination-btn pagination-current" : "pagination-btn",
out_matrix, out_inner_counts, count);
free(href);
}
char *href = href_builder(page + 1, data);
count = add_link_to_collection(href, ">", "pagination-btn next",
out_matrix, out_inner_counts, count);
free(href);
return count;
}
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