From b47fc106643db76ffe7c073742827aabac5a9c14 Mon Sep 17 00:00:00 2001
From: Marat Izmailov <marat.izmailov@student.tuke.sk>
Date: Wed, 2 Oct 2024 14:24:27 +0000
Subject: [PATCH] Update cv1/program.c

---
 cv1/program.c | 154 ++++++++++++++++++++++++++++----------------------
 1 file changed, 87 insertions(+), 67 deletions(-)

diff --git a/cv1/program.c b/cv1/program.c
index 83707eb..5fe2617 100644
--- a/cv1/program.c
+++ b/cv1/program.c
@@ -1,96 +1,116 @@
 #include <stdio.h>
 #include <string.h>
 #include <stdlib.h>
+#include <ctype.h>
 
 #define LINESIZE 100
-#define MENU_SIZE 100
+#define MAX_PIZZAS 100
 
+// Structure to store pizza menu item
 struct pizza {
-    float prize;
+    float price;
     char name[LINESIZE];
 };
 
+// Function to convert a character to its Hacker Script form
 char hacker_script(char c) {
-    if (c >= 'A' && c <= 'Z') c += 32; // Преобразование к нижнему регистру
-    switch (c) {
-        case 'o': return '0';
-        case 'i': return '1';
-        case 'z': return '2';
-        case 'e': return '3';
-        case 'a': return '4';
-        case 's': return '5';
-        case 'b': return '6';
-        case 't': return '7';
-        case '8': return '8';
-        case 'q': return '9';
-        default: return c;
+    char numbers[] = "0123456789";
+    char letters[] = "oizeasbtbq";
+    
+    // Convert to lowercase first
+    c = tolower(c);
+    
+    // Check for special characters
+    for (int i = 0; i < 10; i++) {
+        if (c == numbers[i]) {
+            return letters[i];
+        }
+    }
+    return c;
+}
+
+// Function to normalize a string by applying hacker script rules
+void normalize_string(char *str) {
+    for (int i = 0; str[i]; i++) {
+        str[i] = hacker_script(str[i]);
     }
 }
 
-void normalize_string(const char* input, char* output) {
-    int i = 0;
-    while (input[i] != '\0' && input[i] != '\n') {  // Убираем '\n'
-        output[i] = hacker_script(input[i]);
-        i++;
+// Function to read one pizza item from input
+int read_pizza(struct pizza *item) {
+    char line1[LINESIZE], line2[LINESIZE];
+    
+    // Read name
+    if (fgets(line1, LINESIZE, stdin) == NULL) {
+        return 0;  // Failed to read
     }
-    output[i] = '\0';  // Завершаем строку
+    
+    // Remove newline character
+    line1[strcspn(line1, "\n")] = '\0';
+
+    // Read price
+    if (fgets(line2, LINESIZE, stdin) == NULL) {
+        return 0;  // Failed to read
+    }
+    
+    float value = strtof(line2, NULL);
+    if (value == 0.0F) {
+        return 0;  // Invalid price
+    }
+    
+    // Copy the read values
+    strcpy(item->name, line1);
+    item->price = value;
+    return 1;
 }
 
-int read_pizza(struct pizza* item) {
-    char line[LINESIZE];
-    if (fgets(line, sizeof(line), stdin) == NULL) return 0;
-
-    normalize_string(line, item->name); // Преобразуем название
-
-    if (fgets(line, sizeof(line), stdin) == NULL) return 0;
-    item->prize = strtof(line, NULL); // Преобразуем цену
-
-    return (item->prize > 0) ? 1 : 0; // Успех или ошибка
-}
-
-int find_string(const char* heap, const char* needle) {
-    char normalized_heap[LINESIZE];
-    char normalized_needle[LINESIZE];
-    normalize_string(heap, normalized_heap);
-    normalize_string(needle, normalized_needle);
-
-    return strstr(normalized_heap, normalized_needle) != NULL;
+// Function to search if a normalized needle exists in a normalized heap
+int search_string(const char *heap, const char *needle) {
+    char norm_heap[LINESIZE], norm_needle[LINESIZE];
+    
+    // Make copies to normalize
+    strcpy(norm_heap, heap);
+    strcpy(norm_needle, needle);
+    
+    // Normalize both strings
+    normalize_string(norm_heap);
+    normalize_string(norm_needle);
+    
+    // Use strstr to find the normalized needle in the heap
+    return strstr(norm_heap, norm_needle) != NULL;
 }
 
 int main() {
-    struct pizza menu[MENU_SIZE];
-    int item_count = 0;
+    struct pizza menu[MAX_PIZZAS];
+    char search[LINESIZE];
+    int count = 0;
 
-    char search_term[LINESIZE];
-    printf("Zadaj hladanu surovinu:\n"); // Первое сообщение
-    fgets(search_term, sizeof(search_term), stdin);
-    
-    // Удаляем '\n' из поискового запроса
-    search_term[strcspn(search_term, "\n")] = '\0'; 
+    // Read search string
+    printf("Enter the searched ingredient:\n");
+    fgets(search, LINESIZE, stdin);
+    search[strcspn(search, "\n")] = '\0';  // Remove newline character
 
-    printf("Zadaj jedalny listok:\n"); // Второе сообщение
-    while (item_count < MENU_SIZE && read_pizza(&menu[item_count])) {
-        item_count++;
-    }
-
-    // Флаг для проверки, был ли найден хотя бы один элемент
-    int found = 0;
-
-    // Печать подходящих элементов
-    for (int i = 0; i < item_count; i++) {
-        if (find_string(menu[i].name, search_term)) {
-            printf("%s\n%.2f\n", menu[i].name, menu[i].prize);
-            found = 1; // Найдено совпадение
+    // Read menu
+    printf("Enter the menu:\n");
+    while (read_pizza(&menu[count])) {
+        count++;
+        if (count >= MAX_PIZZAS) {
+            break;  // Limit reached
         }
     }
 
-    // Если совпадений нет, ничего не выводится, иначе выводим количество
-    if (found) {
-        printf("Nacitanych %d poloziek.\n", item_count);
-    } else {
-        // Выводим только количество, если совпадений нет
-        printf("Nacitanych %d poloziek.\n", item_count);
+    // Display valid dishes containing the searched ingredient
+    int found = 0;
+    for (int i = 0; i < count; i++) {
+        if (search_string(menu[i].name, search)) {
+            printf("%s\n", menu[i].name);
+            printf("%.2f\n", menu[i].price);
+            found++;
+        }
     }
 
+    // Display total items read
+    printf("A total of %d items were loaded.\n", count);
+
     return 0;
 }