libcruft-util/format.hpp

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/*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* Copyright 2015-2016 Danny Robson <danny@nerdcruft.net>
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*/
#ifndef __UTIL_FORMAT_HPP
#define __UTIL_FORMAT_HPP
#include <stdexcept>
#include <string>
namespace util {
namespace format {
template <typename ...Args>
std::string
render (const std::string &fmt, Args&&...);
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class error : public std::runtime_error
{ using runtime_error::runtime_error; };
// value-specifier mismatch
class value_error : public error
{ using error::error; };
// malformed format specifier
class format_error : public error
{ using error::error; };
template <typename ValueT>
class invalid_specifier : public format_error {
public:
using value_type = ValueT;
invalid_specifier (char specifier);
char specifier (void) const;
private:
char m_specifier;
};
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// missing format specifier
class missing_error : public error
{ using error::error; };
}
}
#include "format.ipp"
#endif