#ifndef STROPS_H
#define STROPS_H

#include <stddef.h>

/*
    ATTENTION! THIS LIBRARY CURRENTLY LEAKS MEMORY!
    Functions that return char*, return a new heap-allocated string.
    The user of this library is responsible for freeing the memory of the result.
    No function modifies the input string. The input string is copied at the beginning of a function.
    Only 7-Bit Ascii is supported.
*/

typedef unsigned long long ull_t;

char contains_char(const char* string, char char_to_search);
char contains_string(const char* string, const char* string_to_search);

char* strops_to_lowercase(const char* string);
char* strops_to_uppercase(const char* string);
int strops_is_lowercase(const char* string);
int strops_is_uppercase(const char* string);

char* strops_insert_at_pos_string(const char* string, const char* string_to_insert, ull_t pos);
char* strops_remove_at_pos_char(const char* string, ull_t pos);
char* strops_remove_at_pos_string(const char* string, const char* string_to_remove, ull_t pos);
char* strops_replace_at_pos_string(const char* string, const char* string_to_remove, const char* string_to_insert, ull_t pos);

char* strops_trim_right_whitespace(const char* string);
char* strops_trim_left_whitespace(const char* string);
char* strops_trim_both_whitespace(const char* string);

char* strops_trim_right_chars(const char* string, const char* chars_to_remove);
char* strops_trim_left_chars(const char* string, const char* chars_to_remove);
char* strops_trim_both_chars(const char* string, const char* chars_to_remove);

char* strops_trim_right_string(const char* string, const char* string_to_remove);
char* strops_trim_left_string(const char* string, const char* string_to_remove);
char* strops_trim_both_string(const char* string, const char* string_to_remove);

char* strops_remove_chars(const char* string, const char* chars_to_remove);
char* strops_remove_string(const char* string, const char* string_to_remove);

ull_t strops_word_count(const char* string);

#endif /* STROPS_H */