BLT/include/blt/logging/fmt_tokenizer.h

65 lines
1.4 KiB
C++

#pragma once
/*
* Copyright (C) 2024 Brett Terpstra
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef BLT_LOGGING_FMT_TOKENIZER_H
#define BLT_LOGGING_FMT_TOKENIZER_H
#include <optional>
#include <string_view>
#include <vector>
#include <blt/std/types.h>
namespace blt::logging
{
enum class fmt_token_type : u8
{
STRING,
NUMBER,
SPACE,
COLON,
DOT,
MINUS,
PLUS
};
struct fmt_token_t
{
fmt_token_type type;
std::string_view value;
};
class fmt_tokenizer_t
{
public:
explicit fmt_tokenizer_t(const std::string_view fmt): m_fmt(fmt)
{}
static fmt_token_type get_type(char c);
std::optional<fmt_token_t> next();
std::vector<fmt_token_t> tokenize();
private:
size_t pos = 0;
std::string_view m_fmt;
};
}
#endif //BLT_LOGGING_FMT_TOKENIZER_H