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/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <AK/String.h>
#include <AK/Vector.h>
#include <LibCore/ArgsParser.h>
#include <stdio.h>
#include <stdlib.h>
int main(int argc, char** argv)
{
bool delete_flag = false;
const char* from_chars = nullptr;
const char* to_chars = nullptr;
Core::ArgsParser args_parser;
args_parser.add_option(delete_flag, "Delete characters instead of replacing", nullptr, 'd');
args_parser.add_positional_argument(from_chars, "Character to translate from", "from");
args_parser.add_positional_argument(to_chars, "Character to translate to", "to", Core::ArgsParser::Required::No);
args_parser.parse(argc, argv);
if (!to_chars && !delete_flag) {
args_parser.print_usage(stderr, argv[0]);
return 1;
}
if (delete_flag) {
auto from_str = AK::StringView(from_chars);
for (;;) {
char ch = fgetc(stdin);
if (feof(stdin))
break;
if (!from_str.contains(ch))
putchar(ch);
}
} else {
// TODO: Support multiple characters to translate from and to
auto from = from_chars[0];
auto to = to_chars[0];
for (;;) {
char ch = fgetc(stdin);
if (feof(stdin))
break;
if (ch == from)
putchar(to);
else
putchar(ch);
}
}
return 0;
}
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