kepka/Telegram/SourceFiles/codegen/common/cpp_file.cpp

142 lines
3.9 KiB
C++

//
// This file is part of Kepka,
// an unofficial desktop version of Telegram messaging app,
// see https://github.com/procxx/kepka
//
// Kepka 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.
//
// It 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.
//
// In addition, as a special exception, the copyright holders give permission
// to link the code of portions of this program with the OpenSSL library.
//
// Full license: https://github.com/procxx/kepka/blob/master/LICENSE
// Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
// Copyright (c) 2017- Kepka Contributors, https://github.com/procxx
//
#include "codegen/common/cpp_file.h"
#include <QtCore/QDir>
#include <QtCore/QFileInfo>
namespace codegen {
namespace common {
namespace {
void writeLicense(QTextStream &stream, const ProjectInfo &project) {
stream << R"#(//
// WARNING! All changes made in this file will be lost!
// Created from ')#"
<< project.source << "' by '" << project.name << R"#(
//
// This file is part of Kepka,
// an unofficial desktop version of Telegram messaging app,
// see https://github.com/procxx/kepka
//
// Kepka 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.
//
// It 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.
//
// In addition, as a special exception, the copyright holders give permission
// to link the code of portions of this program with the OpenSSL library.
//
// Full license: https://github.com/procxx/kepka/blob/master/LICENSE
// Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
// Copyright (c) 2017- Kepka Contributors, https://github.com/procxx
//
)#";
}
} // namespace
CppFile::CppFile(const QString &path, const ProjectInfo &project)
: stream_(&content_)
, forceReGenerate_(project.forceReGenerate) {
stream_.setCodec("UTF-8");
bool cpp = path.toLower().endsWith(".cpp");
QFileInfo info(path);
info.dir().mkpath(".");
filepath_ = info.absoluteFilePath();
writeLicense(stream_, project);
if (cpp) {
include(info.baseName() + ".h").newline();
} else {
stream() << "#pragma once";
newline().newline();
}
}
CppFile &CppFile::include(const QString &header, bool global) {
if (global)
stream() << QString("#include <%1>").arg(header);
else
stream() << QString("#include \"%1\"").arg(header);
return newline();
}
CppFile &CppFile::pushNamespace(const QString &name) {
namespaces_.push_back(name);
stream() << "namespace";
if (!name.isEmpty()) {
stream() << ' ' << name;
}
stream() << " {";
return newline();
}
CppFile &CppFile::popNamespace() {
if (namespaces_.isEmpty()) {
return *this;
}
auto name = namespaces_.back();
namespaces_.pop_back();
stream() << "} // namespace";
if (!name.isEmpty()) {
stream() << ' ' << name;
}
return newline();
}
bool CppFile::finalize() {
while (!namespaces_.isEmpty()) {
popNamespace();
}
stream_.flush();
QFile file(filepath_);
if (!forceReGenerate_ && file.open(QIODevice::ReadOnly)) {
if (file.readAll() == content_) {
file.close();
return true;
}
file.close();
}
if (!file.open(QIODevice::WriteOnly)) {
return false;
}
if (file.write(content_) != content_.size()) {
return false;
}
return true;
}
} // namespace common
} // namespace codegen