map.c

/* ************************************************************************** */
/*      ____    _    _____ ____     _    _   _   _____ _  _   ____  ____      */
/*     / ___|  / \  |  ___|  _ \   / \  | \ | | |_   _| || | |  _ \/ ___|     */
/*     \___ \ / _ \ | |_  | |_) | / _ \ |  \| |   | | | || |_| | | \___ \     */
/*      ___) / ___ \|  _| |  _ < / ___ \| |\  |   | | |__   _| |_| |___) |    */
/*     |____/_/   \_|_|   |_| \_/_/   \_|_| \_|   |_|    |_| |____/|____/     */
/*                                                                            */
/* Copyright 2023, SAFRAN T4DS, ALL RIGHTS RESERVED                           */
/*                                                                            */
/* @file map.c                                                                */
/* @author Antoine GAGNIERE                                                   */
/*                                                                            */
/* ************************************************************************** */
 
#include "o2s/string.h"
 
#include <ctype.h> // tolower, toupper

string_t string_map(const string_t* self, char (*function)(char))
{
    string_t result = string_new();
    char     c;
 
    string_reserve(&result, string_length(self));
    string_foreach(self, &c)
    {
        string_append_char(&result, function(c));
    }
    return result;
}
 
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wcast-function-type"

string_t               string_tolower(const string_t* self)
{
    return string_map(self, (char (*)(char))tolower);
}

string_t string_toupper(const string_t* self)
{
    return string_map(self, (char (*)(char))toupper);
}
 
#pragma GCC diagnostic pop