//
// Created by server on 6/19/25.
//
#include "str_utils.h"

#include <cstring>

bool startWith(const char * str, const char ch) {
    if (str == nullptr) return false; // Fail if str is empty
    if (ch == 0) return false; // Fail if ch is NULL
    if (str[0] != ch) return false; // Fail if str[0] != ch
    return true; // str[0] == ch
}

bool contains(const char * str, const char ch) {
    if (str == nullptr) return false; // Fail if str is null
    if (ch == 0) return false; // Fail if ch is null
    const size_t len = strlen(str);
    if (len == 0) return false; // Fail if str is empty
    for (int i = 0; i < len; i++) {
        if (str[i] == ch) return true; // Found ch in str
    }
    return false; // ch is not in str
}

bool endsWith(const char * str, const char ch) {
    if (str == nullptr) return false; // Fail if str is empty
    if (ch == 0) return false; // Fail if ch is NULL
    const size_t len = strlen(str);
    if (str[len-1] != ch) return false; // Fail if str[len-1] != ch
    return true; // str[len-1] == ch
}

bool startsWith(const char * str, const char ch[]) {
    if (str == nullptr) return false; // Fail if str is null
    if (ch == nullptr) return false; // Fail if ch is null
    const size_t len = strlen(ch);
    if (len == 0) return false; // Fail if str is empty
    for (int i = 0; i < len; i++) {
        if (str[i] != ch[i]) return false; // Found ch in str
    }
    return true; // ch is not in str
}