mirror of https://github.com/procxx/kepka.git
83 lines
2.3 KiB
C++
83 lines
2.3 KiB
C++
//
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// This file is part of Kepka,
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// an unofficial desktop version of Telegram messaging app,
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// see https://github.com/procxx/kepka
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//
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// Kepka is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// It is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// In addition, as a special exception, the copyright holders give permission
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// to link the code of portions of this program with the OpenSSL library.
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//
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// Full license: https://github.com/procxx/kepka/blob/master/LICENSE
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// Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
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// Copyright (c) 2017- Kepka Contributors, https://github.com/procxx
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//
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#pragma once
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#include <QtCore/QString>
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#include <iostream>
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namespace codegen {
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namespace common {
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// Common error codes.
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constexpr int kErrorFileNotFound = 101;
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constexpr int kErrorFileTooLarge = 102;
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constexpr int kErrorFileNotOpened = 103;
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constexpr int kErrorUnexpectedEndOfFile = 104;
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// Wrapper around std::ostream that adds '\n' to the end of the logging line.
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class LogStream {
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public:
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enum NullType {
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Null,
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};
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explicit LogStream(NullType)
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: final_(false) {}
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explicit LogStream(std::ostream &stream)
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: stream_(&stream) {}
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LogStream(LogStream &&other)
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: stream_(other.stream_)
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, final_(other.final_) {
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other.final_ = false;
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}
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std::ostream *stream() const {
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return stream_;
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}
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~LogStream() {
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if (final_) {
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*stream_ << '\n';
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}
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}
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private:
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std::ostream *stream_ = nullptr;
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bool final_ = true;
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};
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template <typename T> LogStream operator<<(LogStream &&stream, T &&value) {
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if (auto ostream = stream.stream()) {
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*ostream << std::forward<T>(value);
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}
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return std::forward<LogStream>(stream);
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}
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// Outputs file name, line number and error code to std::err. Usage:
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// logError(kErrorFileTooLarge, filepath) << "file too large, size=" << size;
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LogStream logError(int code, const QString &filepath, int line = 0);
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void logSetWorkingPath(const QString &workingpath);
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static constexpr int kErrorInternal = 666;
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} // namespace common
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} // namespace codegen
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