From 0e67969ff16120be9ded33702d3028b9cb624eaa Mon Sep 17 00:00:00 2001
From: Mineplay <tristanfranssen@strawhats.nl>
Date: Mon, 12 May 2025 14:48:39 -0500
Subject: [PATCH] feat(utf-8): implemented has string function

---
 Include/Fledasty/Strings/UTF8String.h |  1 +
 Src/Strings/UTF8String.c              | 17 +++++++++++++++++
 Tests/Main.c                          |  4 ++++
 3 files changed, 22 insertions(+)

diff --git a/Include/Fledasty/Strings/UTF8String.h b/Include/Fledasty/Strings/UTF8String.h
index 43aef64..09cb06f 100644
--- a/Include/Fledasty/Strings/UTF8String.h
+++ b/Include/Fledasty/Strings/UTF8String.h
@@ -42,6 +42,7 @@ FledastyError fledasty_utf8_string_insert_before_string(FledastyUtf8String *curr
 FledastyError fledasty_utf8_string_insert_after_string(FledastyUtf8String *current_string, unsigned char *after_character_string, size_t after_character_string_length, unsigned char *character_string, size_t character_string_length);
 FledastyError fledasty_utf8_string_insert_at_index(FledastyUtf8String *current_string, size_t index, unsigned char *character_string, size_t character_string_length);
 
+bool fledasty_utf8_string_has_string(const FledastyUtf8String *current_string, unsigned char *character_string, size_t character_string_length);
 static inline bool fledasty_utf8_string_is_empty(const FledastyUtf8String *current_string) { return current_string == NULL || current_string->size == 0; }
 
 FledastyUtf8String fledasty_utf8_string_encode(const uint32_t *unicode, const size_t size);
diff --git a/Src/Strings/UTF8String.c b/Src/Strings/UTF8String.c
index ea0bf71..28a5be6 100644
--- a/Src/Strings/UTF8String.c
+++ b/Src/Strings/UTF8String.c
@@ -181,6 +181,23 @@ FledastyError fledasty_utf8_string_insert_at_index(FledastyUtf8String *current_s
     return FLEDASTY_ERROR_NONE;
 }
 
+bool fledasty_utf8_string_has_string(const FledastyUtf8String *current_string, unsigned char *character_string, size_t character_string_length) {
+    if (current_string == NULL || character_string == NULL || character_string_length == 0) {
+        return false;
+    }
+
+    size_t index = 0;
+    while (index < current_string->size - character_string_length) {
+        if (hallocy_compare_memory(current_string->character_string + index, character_string, character_string_length)) {
+            return true;
+        }
+
+        index += 1;
+    }
+
+    return false;
+}
+
 FledastyUtf8String fledasty_utf8_string_encode(const uint32_t *unicode, const size_t size) {
     FledastyUtf8String utf8_string;
     fledasty_utf8_string_initialize(&utf8_string, NULL, 0);
diff --git a/Tests/Main.c b/Tests/Main.c
index 96a0f55..598fe88 100644
--- a/Tests/Main.c
+++ b/Tests/Main.c
@@ -238,6 +238,10 @@ int main() {
     fledasty_utf8_string_insert_at_index(&test_utf8_string, test_utf8_string.size - 1, (unsigned char*)"index", 5);
     printf("Insert at Index: %s\n", test_utf8_string.character_string);
 
+    if (fledasty_utf8_string_has_string(&test_utf8_string, (unsigned char*)"😀", 4)) {
+        printf("String contains 😀!\n");
+    }
+
     size_t unicode_length = 0;
     uint32_t *unicode = fledasty_utf8_string_decode(&test_utf8_string, &unicode_length);
     FledastyUtf8String encoded_string = fledasty_utf8_string_encode(unicode, unicode_length);