135 lines
3.7 KiB
C++
135 lines
3.7 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop version of Telegram messaging app, see https://telegram.org
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Telegram Desktop 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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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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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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Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
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Copyright (c) 2014-2016 John Preston, https://desktop.telegram.org
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*/
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#include "codegen/common/cpp_file.h"
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#include <QtCore/QFileInfo>
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#include <QtCore/QDir>
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namespace codegen {
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namespace common {
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namespace {
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void writeLicense(QTextStream &stream, const ProjectInfo &project) {
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stream << "\
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/*\n\
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WARNING! All changes made in this file will be lost!\n\
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Created from '" << project.source << "' by '" << project.name << "'\n\
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\n\
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This file is part of Telegram Desktop,\n\
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the official desktop version of Telegram messaging app, see https://telegram.org\n\
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\n\
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Telegram Desktop is free software: you can redistribute it and/or modify\n\
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it under the terms of the GNU General Public License as published by\n\
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the Free Software Foundation, either version 3 of the License, or\n\
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(at your option) any later version.\n\
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\n\
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It is distributed in the hope that it will be useful,\n\
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but WITHOUT ANY WARRANTY; without even the implied warranty of\n\
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n\
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GNU General Public License for more details.\n\
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\n\
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In addition, as a special exception, the copyright holders give permission\n\
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to link the code of portions of this program with the OpenSSL library.\n\
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\n\
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Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE\n\
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Copyright (c) 2014-2016 John Preston, https://desktop.telegram.org\n\
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*/\n";
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}
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} // namespace
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CppFile::CppFile(const QString &path, const ProjectInfo &project)
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: stream_(&content_)
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, forceReGenerate_(project.forceReGenerate) {
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bool cpp = path.toLower().endsWith(".cpp");
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QFileInfo info(path);
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info.dir().mkpath(".");
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filepath_ = info.absoluteFilePath();
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writeLicense(stream_, project);
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if (cpp) {
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if (!project.precompiledHeader.isEmpty()) {
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include(project.precompiledHeader);
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}
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include(info.baseName() + ".h").newline();
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} else {
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stream() << "#pragma once";
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newline().newline();
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}
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}
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CppFile &CppFile::include(const QString &header) {
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stream() << "#include \"" << header << "\"";
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return newline();
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}
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CppFile &CppFile::pushNamespace(const QString &name) {
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namespaces_.push_back(name);
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stream() << "namespace";
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if (!name.isEmpty()) {
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stream() << ' ' << name;
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}
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stream() << " {";
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return newline();
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}
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CppFile &CppFile::popNamespace() {
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if (namespaces_.isEmpty()) {
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return *this;
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}
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auto name = namespaces_.back();
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namespaces_.pop_back();
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stream() << "} // namespace";
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if (!name.isEmpty()) {
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stream() << ' ' << name;
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}
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return newline();
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}
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bool CppFile::finalize() {
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while (!namespaces_.isEmpty()) {
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popNamespace();
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}
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stream_.flush();
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QFile file(filepath_);
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if (!forceReGenerate_ && file.open(QIODevice::ReadOnly)) {
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if (file.readAll() == content_) {
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file.close();
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return true;
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}
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file.close();
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}
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if (!file.open(QIODevice::WriteOnly)) {
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return false;
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}
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if (file.write(content_) != content_.size()) {
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return false;
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}
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return true;
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}
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} // namespace common
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} // namespace codegen
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