724 lines
20 KiB
C++
724 lines
20 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/style/generator.h"
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#include <memory>
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#include <functional>
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#include <QtCore/QDir>
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#include <QtCore/QSet>
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#include <QtCore/QBuffer>
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#include <QtGui/QImage>
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#include <QtGui/QPainter>
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#include "codegen/style/parsed_file.h"
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using Module = codegen::style::structure::Module;
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using Struct = codegen::style::structure::Struct;
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using Variable = codegen::style::structure::Variable;
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using Tag = codegen::style::structure::TypeTag;
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namespace codegen {
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namespace style {
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namespace {
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constexpr int kErrorBadIconSize = 861;
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constexpr int kErrorBadIconFormat = 862;
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char hexChar(uchar ch) {
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if (ch < 10) {
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return '0' + ch;
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} else if (ch < 16) {
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return 'a' + (ch - 10);
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}
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return '0';
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}
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char hexSecondChar(char ch) {
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return hexChar((*reinterpret_cast<uchar*>(&ch)) & 0x0F);
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}
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char hexFirstChar(char ch) {
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return hexChar((*reinterpret_cast<uchar*>(&ch)) >> 4);
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}
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QString stringToEncodedString(const std::string &str) {
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QString result, lineBreak = "\\\n";
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result.reserve(str.size() * 8);
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bool writingHexEscapedCharacters = false, startOnNewLine = false;
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int lastCutSize = 0;
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for (uchar ch : str) {
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if (result.size() - lastCutSize > 80) {
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startOnNewLine = true;
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result.append(lineBreak);
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lastCutSize = result.size();
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}
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if (ch == '\n') {
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writingHexEscapedCharacters = false;
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result.append("\\n");
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} else if (ch == '\t') {
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writingHexEscapedCharacters = false;
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result.append("\\t");
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} else if (ch == '"' || ch == '\\') {
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writingHexEscapedCharacters = false;
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result.append('\\').append(ch);
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} else if (ch < 32 || ch > 127) {
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writingHexEscapedCharacters = true;
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result.append("\\x").append(hexFirstChar(ch)).append(hexSecondChar(ch));
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} else {
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if (writingHexEscapedCharacters) {
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writingHexEscapedCharacters = false;
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result.append("\"\"");
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}
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result.append(ch);
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}
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}
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return '"' + (startOnNewLine ? lineBreak : QString()) + result + '"';
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}
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QString stringToBinaryArray(const std::string &str) {
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QStringList rows, chars;
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chars.reserve(13);
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rows.reserve(1 + (str.size() / 13));
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for (uchar ch : str) {
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if (chars.size() > 12) {
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rows.push_back(chars.join(", "));
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chars.clear();
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}
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chars.push_back(QString("0x") + hexFirstChar(ch) + hexSecondChar(ch));
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}
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if (!chars.isEmpty()) {
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rows.push_back(chars.join(", "));
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}
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return QString("{") + ((rows.size() > 1) ? '\n' : ' ') + rows.join(",\n") + " }";
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}
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QString pxValueName(int value) {
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QString result = "px";
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if (value < 0) {
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value = -value;
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result += 'm';
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}
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return result + QString::number(value);
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}
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} // namespace
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Generator::Generator(const structure::Module &module, const QString &destBasePath, const common::ProjectInfo &project)
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: module_(module)
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, basePath_(destBasePath)
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, baseName_(QFileInfo(basePath_).baseName())
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, project_(project) {
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}
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bool Generator::writeHeader() {
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header_ = std::make_unique<common::CppFile>(basePath_ + ".h", project_);
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header_->include("ui/style/style_core.h").newline();
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if (!writeHeaderStyleNamespace()) {
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return false;
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}
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if (!writeRefsDeclarations()) {
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return false;
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}
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return header_->finalize();
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}
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bool Generator::writeSource() {
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source_ = std::make_unique<common::CppFile>(basePath_ + ".cpp", project_);
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writeIncludesInSource();
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if (module_.hasVariables()) {
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source_->pushNamespace().newline();
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source_->stream() << "\
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bool inited = false;\n\
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\n\
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class Module_" << baseName_ << " : public style::internal::ModuleBase {\n\
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public:\n\
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Module_" << baseName_ << "() { style::internal::registerModule(this); }\n\
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~Module_" << baseName_ << "() { style::internal::unregisterModule(this); }\n\
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\n\
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void start() override {\n\
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style::internal::init_" << baseName_ << "();\n\
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}\n\
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void stop() override {\n\
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}\n\
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};\n\
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Module_" << baseName_ << " registrator;\n";
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if (!writeVariableDefinitions()) {
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return false;
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}
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source_->newline().popNamespace();
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source_->newline().pushNamespace("st");
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if (!writeRefsDefinition()) {
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return false;
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}
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source_->popNamespace().newline();
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source_->newline().pushNamespace("style").pushNamespace("internal").newline();
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if (!writeVariableInit()) {
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return false;
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}
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}
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return source_->finalize();
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}
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// Empty result means an error.
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QString Generator::typeToString(structure::Type type) const {
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switch (type.tag) {
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case Tag::Invalid: return QString();
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case Tag::Int: return "int";
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case Tag::Double: return "double";
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case Tag::Pixels: return "int";
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case Tag::String: return "QString";
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case Tag::Color: return "style::color";
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case Tag::Point: return "style::point";
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case Tag::Sprite: return "style::sprite";
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case Tag::Size: return "style::size";
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case Tag::Transition: return "style::transition";
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case Tag::Cursor: return "style::cursor";
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case Tag::Align: return "style::align";
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case Tag::Margins: return "style::margins";
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case Tag::Font: return "style::font";
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case Tag::Icon: return "style::icon";
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case Tag::Struct: return "style::" + type.name.back();
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}
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return QString();
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}
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// Empty result means an error.
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QString Generator::typeToDefaultValue(structure::Type type) const {
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switch (type.tag) {
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case Tag::Invalid: return QString();
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case Tag::Int: return "0";
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case Tag::Double: return "0.";
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case Tag::Pixels: return "0";
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case Tag::String: return "QString()";
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case Tag::Color: return "{ Qt::Uninitialized }";
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case Tag::Point: return "{ 0, 0 }";
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case Tag::Sprite: return "{ 0, 0, 0, 0 }";
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case Tag::Size: return "{ 0, 0 }";
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case Tag::Transition: return "anim::linear";
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case Tag::Cursor: return "style::cur_default";
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case Tag::Align: return "style::al_topleft";
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case Tag::Margins: return "{ 0, 0, 0, 0 }";
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case Tag::Font: return "{ Qt::Uninitialized }";
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case Tag::Icon: return "{ Qt::Uninitialized }";
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case Tag::Struct: {
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if (auto realType = module_.findStruct(type.name)) {
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QStringList fields;
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for (auto field : realType->fields) {
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fields.push_back(typeToDefaultValue(field.type));
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}
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return "{ " + fields.join(", ") + " }";
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}
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return QString();
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} break;
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}
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return QString();
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}
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// Empty result means an error.
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QString Generator::valueAssignmentCode(structure::Value value) const {
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auto copy = value.copyOf();
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if (!copy.isEmpty()) {
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return "st::" + copy.back();
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}
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switch (value.type().tag) {
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case Tag::Invalid: return QString();
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case Tag::Int: return QString("%1").arg(value.Int());
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case Tag::Double: return QString("%1").arg(value.Double());
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case Tag::Pixels: return pxValueName(value.Int());
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case Tag::String: return QString("qsl(%1)").arg(stringToEncodedString(value.String()));
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case Tag::Color: {
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auto v(value.Color());
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return QString("{ %1, %2, %3, %4 }").arg(v.red).arg(v.green).arg(v.blue).arg(v.alpha);
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} break;
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case Tag::Point: {
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auto v(value.Point());
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return QString("{ %1, %2 }").arg(pxValueName(v.x)).arg(pxValueName(v.y));
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} break;
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case Tag::Sprite: {
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auto v(value.Sprite());
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return QString("{ %1, %2, %3, %4 }").arg(pxValueName(v.left)).arg(pxValueName(v.top)).arg(pxValueName(v.width)).arg(pxValueName(v.height));
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} break;
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case Tag::Size: {
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auto v(value.Size());
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return QString("{ %1, %2 }").arg(pxValueName(v.width)).arg(pxValueName(v.height));
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} break;
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case Tag::Transition: return QString("anim::%1").arg(value.String().c_str());
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case Tag::Cursor: return QString("style::cur_%1").arg(value.String().c_str());
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case Tag::Align: return QString("style::al_%1").arg(value.String().c_str());
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case Tag::Margins: {
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auto v(value.Margins());
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return QString("{ %1, %2, %3, %4 }").arg(pxValueName(v.left)).arg(pxValueName(v.top)).arg(pxValueName(v.right)).arg(pxValueName(v.bottom));
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} break;
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case Tag::Font: {
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auto v(value.Font());
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QString family = "0";
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if (!v.family.empty()) {
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auto familyIndex = fontFamilies_.value(v.family, -1);
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if (familyIndex < 0) {
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return QString();
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}
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family = QString("font%1index").arg(familyIndex);
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}
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return QString("{ %1, %2, %3 }").arg(pxValueName(v.size)).arg(v.flags).arg(family);
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} break;
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case Tag::Icon: {
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auto v(value.Icon());
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if (v.parts.empty()) return QString("{}");
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QStringList parts;
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for (const auto &part : v.parts) {
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auto maskIndex = iconMasks_.value(part.filename, -1);
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if (maskIndex < 0) {
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return QString();
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}
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auto color = valueAssignmentCode(part.color);
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auto offset = valueAssignmentCode(part.offset);
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parts.push_back(QString("MonoIcon{ &iconMask%1, %2, %3 }").arg(maskIndex).arg(color).arg(offset));
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}
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return QString("{ %1 }").arg(parts.join(", "));
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} break;
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case Tag::Struct: {
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if (!value.Fields()) return QString();
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QStringList fields;
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for (auto field : *value.Fields()) {
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fields.push_back(valueAssignmentCode(field.variable.value));
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}
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return "{ " + fields.join(", ") + " }";
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} break;
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}
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return QString();
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}
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bool Generator::writeHeaderStyleNamespace() {
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if (!module_.hasStructs() && !module_.hasVariables()) {
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return true;
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}
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header_->pushNamespace("style");
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if (module_.hasVariables()) {
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header_->pushNamespace("internal").newline();
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header_->stream() << "void init_" << baseName_ << "();\n\n";
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header_->popNamespace();
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}
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if (module_.hasStructs()) {
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header_->newline();
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if (!writeStructsDefinitions()) {
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return false;
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}
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}
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header_->popNamespace().newline();
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return true;
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}
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bool Generator::writeStructsDefinitions() {
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if (!module_.hasStructs()) {
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return true;
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}
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bool result = module_.enumStructs([this](const Struct &value) -> bool {
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header_->stream() << "struct " << value.name.back() << " {\n";
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for (const auto &field : value.fields) {
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auto type = typeToString(field.type);
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if (type.isEmpty()) {
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return false;
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}
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header_->stream() << "\t" << type << " " << field.name.back() << ";\n";
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}
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header_->stream() << "};\n\n";
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return true;
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});
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return result;
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}
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bool Generator::writeRefsDeclarations() {
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if (!module_.hasVariables()) {
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return true;
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}
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header_->pushNamespace("st");
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bool result = module_.enumVariables([this](const Variable &value) -> bool {
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auto name = value.name.back();
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auto type = typeToString(value.value.type());
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if (type.isEmpty()) {
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return false;
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}
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header_->stream() << "extern const " << type << " &" << name << ";\n";
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return true;
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});
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header_->popNamespace();
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return result;
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}
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bool Generator::writeIncludesInSource() {
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if (!module_.hasIncludes()) {
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return true;
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}
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bool result = module_.enumIncludes([this](const Module &module) -> bool {
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source_->include("style_" + QFileInfo(module.filepath()).baseName() + ".h");
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return true;
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});
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source_->newline();
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return result;
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}
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bool Generator::writeVariableDefinitions() {
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if (!module_.hasVariables()) {
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return true;
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}
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source_->newline();
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bool result = module_.enumVariables([this](const Variable &variable) -> bool {
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auto name = variable.name.back();
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auto type = typeToString(variable.value.type());
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if (type.isEmpty()) {
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return false;
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}
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source_->stream() << type << " _" << name << " = " << typeToDefaultValue(variable.value.type()) << ";\n";
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return true;
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});
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return result;
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}
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bool Generator::writeRefsDefinition() {
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if (!module_.hasVariables()) {
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return true;
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}
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source_->newline();
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bool result = module_.enumVariables([this](const Variable &variable) -> bool {
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auto name = variable.name.back();
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auto type = typeToString(variable.value.type());
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if (type.isEmpty()) {
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return false;
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}
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source_->stream() << "const " << type << " &" << name << "(_" << name << ");\n";
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return true;
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});
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return result;
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}
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bool Generator::writeVariableInit() {
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if (!module_.hasVariables()) {
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return true;
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}
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|
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if (!collectUniqueValues()) {
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return false;
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}
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bool hasUniqueValues = (!pxValues_.isEmpty() || !fontFamilies_.isEmpty() || !iconMasks_.isEmpty());
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if (hasUniqueValues) {
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source_->pushNamespace();
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if (!writePxValuesInit()) {
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return false;
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}
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if (!writeFontFamiliesInit()) {
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return false;
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}
|
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if (!writeIconValues()) {
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return false;
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}
|
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source_->popNamespace().newline();
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}
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source_->stream() << "\
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void init_" << baseName_ << "() {\n\
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if (inited) return;\n\
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inited = true;\n\n";
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|
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if (module_.hasIncludes()) {
|
|
bool writtenAtLeastOne = false;
|
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bool result = module_.enumIncludes([this,&writtenAtLeastOne](const Module &module) -> bool {
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if (module.hasVariables()) {
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source_->stream() << "\tinit_style_" + QFileInfo(module.filepath()).baseName() + "();\n";
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writtenAtLeastOne = true;
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}
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return true;
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});
|
|
if (!result) {
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return false;
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|
}
|
|
if (writtenAtLeastOne) {
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source_->newline();
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|
}
|
|
}
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if (!pxValues_.isEmpty() || !fontFamilies_.isEmpty()) {
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if (!pxValues_.isEmpty()) {
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source_->stream() << "\tinitPxValues();\n";
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}
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if (!fontFamilies_.isEmpty()) {
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source_->stream() << "\tinitFontFamilies();\n";
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}
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source_->newline();
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}
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bool result = module_.enumVariables([this](const Variable &variable) -> bool {
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auto name = variable.name.back();
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auto value = valueAssignmentCode(variable.value);
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|
if (value.isEmpty()) {
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return false;
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}
|
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source_->stream() << "\t_" << name << " = " << value << ";\n";
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return true;
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});
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|
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source_->stream() << "\
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}\n\n";
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return result;
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}
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|
|
|
bool Generator::writePxValuesInit() {
|
|
if (pxValues_.isEmpty()) {
|
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return true;
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}
|
|
|
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for (auto i = pxValues_.cbegin(), e = pxValues_.cend(); i != e; ++i) {
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source_->stream() << "int " << pxValueName(i.key()) << " = " << i.key() << ";\n";
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}
|
|
source_->stream() << "\
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void initPxValues() {\n\
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|
if (cRetina()) return;\n\
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|
\n\
|
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switch (cScale()) {\n";
|
|
for (int i = 1, scalesCount = scales.size(); i < scalesCount; ++i) {
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source_->stream() << "\tcase " << scaleNames.at(i) << ":\n";
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|
for (auto it = pxValues_.cbegin(), e = pxValues_.cend(); it != e; ++it) {
|
|
auto value = it.key();
|
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int adjusted = structure::data::pxAdjust(value, scales.at(i));
|
|
if (adjusted != value) {
|
|
source_->stream() << "\t\t" << pxValueName(value) << " = " << adjusted << ";\n";
|
|
}
|
|
}
|
|
source_->stream() << "\tbreak;\n";
|
|
}
|
|
source_->stream() << "\
|
|
}\n\
|
|
}\n\n";
|
|
return true;
|
|
}
|
|
|
|
bool Generator::writeFontFamiliesInit() {
|
|
if (fontFamilies_.isEmpty()) {
|
|
return true;
|
|
}
|
|
|
|
for (auto familyIndex : fontFamilies_) {
|
|
source_->stream() << "int font" << familyIndex << "index;\n";
|
|
}
|
|
source_->stream() << "void initFontFamilies() {\n";
|
|
for (auto i = fontFamilies_.cbegin(), e = fontFamilies_.cend(); i != e; ++i) {
|
|
auto family = stringToEncodedString(i.key());
|
|
source_->stream() << "\tfont" << i.value() << "index = style::internal::registerFontFamily(" << family << ");\n";
|
|
}
|
|
source_->stream() << "}\n\n";
|
|
return true;
|
|
}
|
|
|
|
namespace {
|
|
|
|
QByteArray iconMaskValueSize(int width, int height) {
|
|
QByteArray result;
|
|
QLatin1String generateTag("GENERATE:");
|
|
result.append(generateTag.data(), generateTag.size());
|
|
QLatin1String sizeTag("SIZE:");
|
|
result.append(sizeTag.data(), sizeTag.size());
|
|
{
|
|
QBuffer buffer(&result);
|
|
buffer.open(QIODevice::Append);
|
|
|
|
QDataStream stream(&buffer);
|
|
stream.setVersion(QDataStream::Qt_5_1);
|
|
stream << qint32(width) << qint32(height);
|
|
}
|
|
return result;
|
|
}
|
|
|
|
QByteArray iconMaskValuePng(const QString &filepath) {
|
|
QByteArray result;
|
|
|
|
QImage png100x(filepath + ".png");
|
|
QImage png200x(filepath + "@2x.png");
|
|
png100x.setDevicePixelRatio(1.);
|
|
png200x.setDevicePixelRatio(1.);
|
|
if (png100x.isNull()) {
|
|
common::logError(common::kErrorFileNotOpened, filepath + ".png") << "could not open icon file";
|
|
return result;
|
|
}
|
|
if (png200x.isNull()) {
|
|
common::logError(common::kErrorFileNotOpened, filepath + "@2x.png") << "could not open icon file";
|
|
return result;
|
|
}
|
|
if (png100x.format() != png200x.format()) {
|
|
common::logError(kErrorBadIconFormat, filepath + ".png") << "1x and 2x icons have different format";
|
|
return result;
|
|
}
|
|
if (png100x.width() * 2 != png200x.width() || png100x.height() * 2 != png200x.height()) {
|
|
common::logError(kErrorBadIconSize, filepath + ".png") << "bad icons size, 1x: " << png100x.width() << "x" << png100x.height() << ", 2x: " << png200x.width() << "x" << png200x.height();
|
|
return result;
|
|
}
|
|
QImage png125x = png200x.scaled(structure::data::pxAdjust(png100x.width(), 5), structure::data::pxAdjust(png100x.height(), 5), Qt::IgnoreAspectRatio, Qt::SmoothTransformation);
|
|
QImage png150x = png200x.scaled(structure::data::pxAdjust(png100x.width(), 6), structure::data::pxAdjust(png100x.height(), 6), Qt::IgnoreAspectRatio, Qt::SmoothTransformation);
|
|
|
|
QImage composed(png200x.width() + png100x.width(), png200x.height() + png150x.height(), png100x.format());
|
|
{
|
|
QPainter p(&composed);
|
|
p.setCompositionMode(QPainter::CompositionMode_Source);
|
|
p.fillRect(0, 0, composed.width(), composed.height(), QColor(0, 0, 0, 255));
|
|
p.drawImage(0, 0, png200x);
|
|
p.drawImage(png200x.width(), 0, png100x);
|
|
p.drawImage(0, png200x.height(), png150x);
|
|
p.drawImage(png150x.width(), png200x.height(), png125x);
|
|
}
|
|
{
|
|
QBuffer buffer(&result);
|
|
composed.save(&buffer, "PNG");
|
|
// composed.save(filePath + "@final.png", "PNG");
|
|
}
|
|
return result;
|
|
}
|
|
|
|
} // namespace
|
|
|
|
bool Generator::writeIconValues() {
|
|
if (iconMasks_.isEmpty()) {
|
|
return true;
|
|
}
|
|
|
|
for (auto i = iconMasks_.cbegin(), e = iconMasks_.cend(); i != e; ++i) {
|
|
QString filePath = i.key();
|
|
QByteArray maskData;
|
|
QImage png100x, png200x;
|
|
if (filePath.startsWith("size://")) {
|
|
QStringList dimensions = filePath.mid(7).split(',');
|
|
if (dimensions.size() < 2 || dimensions.at(0).toInt() <= 0 || dimensions.at(1).toInt() <= 0) {
|
|
common::logError(common::kErrorFileNotOpened, filePath) << "bad dimensions";
|
|
return false;
|
|
}
|
|
maskData = iconMaskValueSize(dimensions.at(0).toInt(), dimensions.at(1).toInt());
|
|
} else {
|
|
maskData = iconMaskValuePng(filePath);
|
|
}
|
|
if (maskData.isEmpty()) {
|
|
return false;
|
|
}
|
|
source_->stream() << "const uchar iconMask" << i.value() << "Data[] = " << stringToBinaryArray(maskData.toStdString()) << ";\n";
|
|
source_->stream() << "IconMask iconMask" << i.value() << "(iconMask" << i.value() << "Data);\n\n";
|
|
}
|
|
return true;
|
|
}
|
|
|
|
bool Generator::collectUniqueValues() {
|
|
int fontFamilyIndex = 0;
|
|
int iconMaskIndex = 0;
|
|
std::function<bool(const Variable&)> collector = [this, &collector, &fontFamilyIndex, &iconMaskIndex](const Variable &variable) {
|
|
auto value = variable.value;
|
|
if (!value.copyOf().isEmpty()) {
|
|
return true;
|
|
}
|
|
|
|
switch (value.type().tag) {
|
|
case Tag::Invalid:
|
|
case Tag::Int:
|
|
case Tag::Double:
|
|
case Tag::String:
|
|
case Tag::Color:
|
|
case Tag::Transition:
|
|
case Tag::Cursor:
|
|
case Tag::Align: break;
|
|
case Tag::Pixels: pxValues_.insert(value.Int(), true); break;
|
|
case Tag::Point: {
|
|
auto v(value.Point());
|
|
pxValues_.insert(v.x, true);
|
|
pxValues_.insert(v.y, true);
|
|
} break;
|
|
case Tag::Sprite: {
|
|
auto v(value.Sprite());
|
|
pxValues_.insert(v.left, true);
|
|
pxValues_.insert(v.top, true);
|
|
pxValues_.insert(v.width, true);
|
|
pxValues_.insert(v.height, true);
|
|
} break;
|
|
case Tag::Size: {
|
|
auto v(value.Size());
|
|
pxValues_.insert(v.width, true);
|
|
pxValues_.insert(v.height, true);
|
|
} break;
|
|
case Tag::Margins: {
|
|
auto v(value.Margins());
|
|
pxValues_.insert(v.left, true);
|
|
pxValues_.insert(v.top, true);
|
|
pxValues_.insert(v.right, true);
|
|
pxValues_.insert(v.bottom, true);
|
|
} break;
|
|
case Tag::Font: {
|
|
auto v(value.Font());
|
|
pxValues_.insert(v.size, true);
|
|
if (!v.family.empty() && !fontFamilies_.contains(v.family)) {
|
|
fontFamilies_.insert(v.family, ++fontFamilyIndex);
|
|
}
|
|
} break;
|
|
case Tag::Icon: {
|
|
auto v(value.Icon());
|
|
for (const auto &part : v.parts) {
|
|
pxValues_.insert(part.offset.Point().x, true);
|
|
pxValues_.insert(part.offset.Point().y, true);
|
|
if (!iconMasks_.contains(part.filename)) {
|
|
iconMasks_.insert(part.filename, ++iconMaskIndex);
|
|
}
|
|
}
|
|
} break;
|
|
case Tag::Struct: {
|
|
auto fields = variable.value.Fields();
|
|
if (!fields) {
|
|
return false;
|
|
}
|
|
|
|
for (auto field : *fields) {
|
|
if (!collector(field.variable)) {
|
|
return false;
|
|
}
|
|
}
|
|
} break;
|
|
}
|
|
return true;
|
|
};
|
|
return module_.enumVariables(collector);
|
|
}
|
|
|
|
} // namespace style
|
|
} // namespace codegen
|