900 lines
28 KiB
C++
900 lines
28 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/parsed_file.h"
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#include <iostream>
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#include <QtCore/QMap>
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#include <QtCore/QDir>
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#include <QtCore/QRegularExpression>
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#include "codegen/common/basic_tokenized_file.h"
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#include "codegen/common/logging.h"
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using BasicToken = codegen::common::BasicTokenizedFile::Token;
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using BasicType = BasicToken::Type;
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namespace codegen {
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namespace style {
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using structure::logFullName;
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namespace {
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constexpr int kErrorInIncluded = 801;
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constexpr int kErrorTypeMismatch = 802;
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constexpr int kErrorUnknownField = 803;
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constexpr int kErrorIdentifierNotFound = 804;
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constexpr int kErrorAlreadyDefined = 805;
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constexpr int kErrorBadString = 806;
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constexpr int kErrorIconDuplicate = 807;
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QString findInputFile(const Options &options) {
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for (const auto &dir : options.includePaths) {
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QString tryPath = QDir(dir).absolutePath() + '/' + options.inputPath;
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if (QFileInfo(tryPath).exists()) {
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return tryPath;
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}
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}
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return options.inputPath;
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}
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QString tokenValue(const BasicToken &token) {
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if (token.type == BasicType::String) {
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return token.value;
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}
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return token.original.toStringUnchecked();
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}
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bool isValidColor(const QString &str) {
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auto len = str.size();
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if (len != 3 && len != 4 && len != 6 && len != 8) {
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return false;
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}
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for (auto ch : str) {
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auto code = ch.unicode();
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if ((code < '0' || code > '9') && (code < 'a' || code > 'f')) {
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return false;
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}
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}
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return true;
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}
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uchar readHexUchar(QChar ch) {
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auto code = ch.unicode();
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return (code >= '0' && code <= '9') ? ((code - '0') & 0xFF) : ((code + 10 - 'a') & 0xFF);
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}
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uchar readHexUchar(QChar char1, QChar char2) {
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return ((readHexUchar(char1) & 0x0F) << 4) | (readHexUchar(char2) & 0x0F);
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}
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structure::data::color convertWebColor(const QString &str) {
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uchar r = 0, g = 0, b = 0, a = 255;
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if (isValidColor(str)) {
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auto len = str.size();
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if (len == 3 || len == 4) {
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r = readHexUchar(str.at(0), str.at(0));
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g = readHexUchar(str.at(1), str.at(1));
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b = readHexUchar(str.at(2), str.at(2));
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if (len == 4) a = readHexUchar(str.at(3), str.at(3));
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} else {
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r = readHexUchar(str.at(0), str.at(1));
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g = readHexUchar(str.at(2), str.at(3));
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b = readHexUchar(str.at(4), str.at(5));
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if (len == 8) a = readHexUchar(str.at(6), str.at(7));
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}
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}
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return { r, g, b, a };
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}
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structure::data::color convertIntColor(int r, int g, int b, int a) {
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return { uchar(r & 0xFF), uchar(g & 0xFF), uchar(b & 0xFF), uchar(a & 0xFF) };
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}
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std::string logType(const structure::Type &type) {
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if (type.tag == structure::TypeTag::Struct) {
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return "struct " + logFullName(type.name);
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}
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static auto builtInTypes = new QMap<structure::TypeTag, std::string> {
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{ structure::TypeTag::Int , "int" },
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{ structure::TypeTag::Double , "double" },
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{ structure::TypeTag::Pixels , "pixels" },
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{ structure::TypeTag::String , "string" },
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{ structure::TypeTag::Color , "color" },
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{ structure::TypeTag::Point , "point" },
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{ structure::TypeTag::Sprite , "sprite" },
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{ structure::TypeTag::Size , "size" },
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{ structure::TypeTag::Transition, "transition" },
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{ structure::TypeTag::Cursor , "cursor" },
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{ structure::TypeTag::Align , "align" },
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{ structure::TypeTag::Margins , "margins" },
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{ structure::TypeTag::Font , "font" },
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};
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return builtInTypes->value(type.tag, "invalid");
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}
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bool validateAnsiString(const QString &value) {
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for (auto ch : value) {
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if (ch.unicode() > 127) {
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return false;
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}
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}
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return true;
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}
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bool validateTransitionString(const QString &value) {
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return QRegularExpression("^[a-zA-Z_]+$").match(value).hasMatch();
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}
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bool validateCursorString(const QString &value) {
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return QRegularExpression("^[a-z_]+$").match(value).hasMatch();
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}
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bool validateAlignString(const QString &value) {
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return QRegularExpression("^[a-z_]+$").match(value).hasMatch();
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}
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} // namespace
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ParsedFile::ParsedFile(const Options &options)
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: filePath_(findInputFile(options))
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, file_(filePath_)
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, options_(options) {
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}
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bool ParsedFile::read() {
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if (!file_.read()) {
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return false;
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}
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auto absolutePath = QFileInfo(filePath_).absoluteFilePath();
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module_ = std::make_unique<structure::Module>(absolutePath);
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do {
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if (auto startToken = file_.getToken(BasicType::Name)) {
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if (tokenValue(startToken) == "using") {
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if (auto includedResult = readIncluded()) {
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module_->addIncluded(std::move(includedResult));
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continue;
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}
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} else if (auto braceOpen = file_.getToken(BasicType::LeftBrace)) {
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if (auto structResult = readStruct(tokenValue(startToken))) {
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if (module_->addStruct(structResult)) {
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continue;
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}
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logError(kErrorAlreadyDefined) << "struct '" << logFullName(structResult.name) << "' already defined";
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break;
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}
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} else if (auto colonToken = file_.getToken(BasicType::Colon)) {
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if (auto variableResult = readVariable(tokenValue(startToken))) {
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if (module_->addVariable(variableResult)) {
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continue;
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}
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logError(kErrorAlreadyDefined) << "variable '" << logFullName(variableResult.name) << "' already defined";
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break;
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}
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}
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}
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if (file_.atEnd()) {
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break;
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}
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logErrorUnexpectedToken() << "using keyword, or struct definition, or variable definition";
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} while (!failed());
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if (failed()) {
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module_ = nullptr;
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}
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return !failed();
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}
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common::LogStream ParsedFile::logErrorTypeMismatch() {
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return logError(kErrorTypeMismatch) << "type mismatch: ";
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}
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ParsedFile::ModulePtr ParsedFile::readIncluded() {
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if (auto usingFile = assertNextToken(BasicType::String)) {
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if (assertNextToken(BasicType::Semicolon)) {
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ParsedFile included(includedOptions(tokenValue(usingFile)));
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if (included.read()) {
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return included.getResult();
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} else {
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logError(kErrorInIncluded) << "error while parsing '" << tokenValue(usingFile).toStdString() << "'";
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}
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}
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}
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return nullptr;
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}
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structure::Struct ParsedFile::readStruct(const QString &name) {
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structure::Struct result = { composeFullName(name) };
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do {
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if (auto fieldName = file_.getToken(BasicType::Name)) {
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if (auto field = readStructField(tokenValue(fieldName))) {
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result.fields.push_back(field);
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}
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} else if (assertNextToken(BasicType::RightBrace)) {
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if (result.fields.isEmpty()) {
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logErrorUnexpectedToken() << "at least one field in struct";
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}
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break;
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}
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} while (!failed());
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return result;
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}
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structure::Variable ParsedFile::readVariable(const QString &name) {
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structure::Variable result = { composeFullName(name) };
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if (auto value = readValue()) {
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result.value = value;
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if (value.type().tag != structure::TypeTag::Struct) {
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assertNextToken(BasicType::Semicolon);
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}
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}
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return result;
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}
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structure::StructField ParsedFile::readStructField(const QString &name) {
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structure::StructField result = { composeFullName(name) };
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if (auto colonToken = assertNextToken(BasicType::Colon)) {
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if (auto type = readType()) {
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result.type = type;
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assertNextToken(BasicType::Semicolon);
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}
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}
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return result;
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}
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structure::Type ParsedFile::readType() {
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structure::Type result;
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if (auto nameToken = assertNextToken(BasicType::Name)) {
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auto name = tokenValue(nameToken);
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if (auto builtInType = typeNames_.value(name.toStdString())) {
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result = builtInType;
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} else {
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auto fullName = composeFullName(name);
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if (module_->findStruct(fullName)) {
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result.tag = structure::TypeTag::Struct;
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result.name = fullName;
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} else {
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logError(kErrorIdentifierNotFound) << "type name '" << logFullName(fullName) << "' not found";
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}
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}
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}
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return result;
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}
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structure::Value ParsedFile::readValue() {
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if (auto colorValue = readColorValue()) {
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return colorValue;
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} else if (auto pointValue = readPointValue()) {
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return pointValue;
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} else if (auto spriteValue = readSpriteValue()) {
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return spriteValue;
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} else if (auto sizeValue = readSizeValue()) {
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return sizeValue;
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} else if (auto transitionValue = readTransitionValue()) {
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return transitionValue;
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} else if (auto cursorValue = readCursorValue()) {
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return cursorValue;
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} else if (auto alignValue = readAlignValue()) {
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return alignValue;
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} else if (auto marginsValue = readMarginsValue()) {
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return marginsValue;
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} else if (auto fontValue = readFontValue()) {
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return fontValue;
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} else if (auto iconValue = readIconValue()) {
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return iconValue;
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} else if (auto numericValue = readNumericValue()) {
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return numericValue;
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} else if (auto stringValue = readStringValue()) {
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return stringValue;
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} else if (auto structValue = readStructValue()) {
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return structValue;
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} else if (auto copyValue = readCopyValue()) {
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return copyValue;
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} else {
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logErrorUnexpectedToken() << "variable value";
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}
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return {};
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}
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structure::Value ParsedFile::readStructValue() {
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if (auto structName = file_.getToken(BasicType::Name)) {
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if (auto result = defaultConstructedStruct(composeFullName(tokenValue(structName)))) {
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if (file_.getToken(BasicType::LeftParenthesis)) {
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if (!readStructParents(result)) {
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return {};
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}
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}
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if (assertNextToken(BasicType::LeftBrace)) {
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readStructValueInner(result);
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}
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return result;
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}
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file_.putBack();
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}
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return {};
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}
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structure::Value ParsedFile::defaultConstructedStruct(const structure::FullName &structName) {
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if (auto pattern = module_->findStruct(structName)) {
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QList<structure::data::field> fields;
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fields.reserve(pattern->fields.size());
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for (const auto &fieldType : pattern->fields) {
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fields.push_back({
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{ // variable
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fieldType.name,
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{ fieldType.type, Qt::Uninitialized }, // value
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},
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structure::data::field::Status::Uninitialized, // status
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});
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}
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return { structName, fields };
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}
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return {};
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}
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void ParsedFile::applyStructParent(structure::Value &result, const structure::FullName &parentName) {
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bool fromTheSameModule = false;
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if (auto parent = module_->findVariable(parentName, &fromTheSameModule)) {
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if (parent->value.type() != result.type()) {
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logErrorTypeMismatch() << "parent '" << logFullName(parentName) << "' has type '" << logType(parent->value.type()) << "' while child value has type " << logType(result.type());
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return;
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}
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const auto *srcFields(parent->value.Fields());
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auto *dstFields(result.Fields());
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if (!srcFields || !dstFields) {
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logAssert(false) << "struct data check failed";
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return;
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}
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logAssert(srcFields->size() == dstFields->size()) << "struct size check failed";
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for (int i = 0, s = srcFields->size(); i != s; ++i) {
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const auto &srcField(srcFields->at(i));
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auto &dstField((*dstFields)[i]);
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using Status = structure::data::field::Status;
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if (srcField.status == Status::Explicit ||
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dstField.status == Status::Uninitialized) {
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const auto &srcValue(srcField.variable.value);
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auto &dstValue(dstField.variable.value);
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logAssert(srcValue.type() == dstValue.type()) << "struct field type check failed";
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// Optimization: don't let the style files to contain unnamed inherited
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// icons from the other (included) style files, because they will
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// duplicate the binary data across different style c++ source files.
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//
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// Example:
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// a.style has "A: Struct { icon: icon { ..file.. } };" and
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// b.style has "B: Struct(A) { .. };" with non-overriden icon field.
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// Then both style_a.cpp and style_b.cpp will contain binary data of "file".
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if (!fromTheSameModule
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&& srcValue.type().tag == structure::TypeTag::Icon
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&& !srcValue.Icon().parts.empty()
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&& srcValue.copyOf().isEmpty()) {
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logError(kErrorIconDuplicate) << "an unnamed icon field '" << logFullName(srcField.variable.name) << "' is inherited from parent '" << logFullName(parentName) << "'";
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return;
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}
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dstValue = srcValue;
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dstField.status = Status::Implicit;
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}
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}
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} else {
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logError(kErrorIdentifierNotFound) << "parent '" << logFullName(parentName) << "' not found";
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}
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}
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bool ParsedFile::readStructValueInner(structure::Value &result) {
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do {
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if (auto fieldName = file_.getToken(BasicType::Name)) {
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if (!assertNextToken(BasicType::Colon)) {
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return false;
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}
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if (auto field = readVariable(tokenValue(fieldName))) {
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if (!assignStructField(result, field)) {
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return false;
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}
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}
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} else if (assertNextToken(BasicType::RightBrace)) {
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return true;
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}
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} while (!failed());
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return false;
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}
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bool ParsedFile::assignStructField(structure::Value &result, const structure::Variable &field) {
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auto *fields = result.Fields();
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if (!fields) {
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logAssert(false) << "struct data check failed";
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return false;
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}
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for (auto &already : *fields) {
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if (already.variable.name == field.name) {
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if (already.variable.value.type() == field.value.type()) {
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already.variable.value = field.value;
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already.status = structure::data::field::Status::Explicit;
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return true;
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} else {
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logErrorTypeMismatch() << "field '" << logFullName(already.variable.name) << "' has type '" << logType(already.variable.value.type()) << "' while value has type '" << logType(field.value.type()) << "'";
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return false;
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}
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}
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}
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logError(kErrorUnknownField) << "field '" << logFullName(field.name) << "' was not found in struct of type '" << logType(result.type()) << "'";
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return false;
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}
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bool ParsedFile::readStructParents(structure::Value &result) {
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do {
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if (auto parentName = assertNextToken(BasicType::Name)) {
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applyStructParent(result, composeFullName(tokenValue(parentName)));
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if (file_.getToken(BasicType::RightParenthesis)) {
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return true;
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} else {
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assertNextToken(BasicType::Comma);
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}
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} else {
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logErrorUnexpectedToken() << "struct variable parent";
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}
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} while (!failed());
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return false;
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}
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structure::Value ParsedFile::readPositiveValue() {
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auto numericToken = file_.getAnyToken();
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if (numericToken.type == BasicType::Int) {
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return { structure::TypeTag::Int, tokenValue(numericToken).toInt() };
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} else if (numericToken.type == BasicType::Double) {
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return { structure::TypeTag::Double, tokenValue(numericToken).toDouble() };
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} else if (numericToken.type == BasicType::Name) {
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auto value = tokenValue(numericToken);
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auto match = QRegularExpression("^\\d+px$").match(value);
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if (match.hasMatch()) {
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return { structure::TypeTag::Pixels, value.mid(0, value.size() - 2).toInt() };
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}
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}
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file_.putBack();
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return {};
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}
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structure::Value ParsedFile::readNumericValue() {
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if (auto value = readPositiveValue()) {
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return value;
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} else if (auto minusToken = file_.getToken(BasicType::Minus)) {
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if (auto positiveValue = readNumericValue()) {
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return { positiveValue.type().tag, -positiveValue.Int() };
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}
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logErrorUnexpectedToken() << "numeric value";
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}
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return {};
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}
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structure::Value ParsedFile::readStringValue() {
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if (auto stringToken = file_.getToken(BasicType::String)) {
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auto value = tokenValue(stringToken);
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if (validateAnsiString(value)) {
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return { structure::TypeTag::String, stringToken.value.toStdString() };
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}
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logError(kErrorBadString) << "unicode symbols are not supported";
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}
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return {};
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}
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structure::Value ParsedFile::readColorValue() {
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if (auto numberSign = file_.getToken(BasicType::Number)) {
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auto color = file_.getAnyToken();
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if (color.type == BasicType::Int || color.type == BasicType::Name) {
|
|
auto chars = tokenValue(color).toLower();
|
|
if (isValidColor(chars)) {
|
|
return { convertWebColor(chars) };
|
|
}
|
|
} else {
|
|
logErrorUnexpectedToken() << "color value in #ccc, #ccca, #cccccc or #ccccccaa format";
|
|
}
|
|
} else if (auto rgbaToken = file_.getToken(BasicType::Name)) {
|
|
if (tokenValue(rgbaToken) == "rgba") {
|
|
assertNextToken(BasicType::LeftParenthesis);
|
|
|
|
auto r = readNumericValue(); assertNextToken(BasicType::Comma);
|
|
auto g = readNumericValue(); assertNextToken(BasicType::Comma);
|
|
auto b = readNumericValue(); assertNextToken(BasicType::Comma);
|
|
auto a = readNumericValue();
|
|
if (r.type().tag != structure::TypeTag::Int || r.Int() < 0 || r.Int() > 255 ||
|
|
g.type().tag != structure::TypeTag::Int || g.Int() < 0 || g.Int() > 255 ||
|
|
b.type().tag != structure::TypeTag::Int || b.Int() < 0 || b.Int() > 255 ||
|
|
a.type().tag != structure::TypeTag::Int || a.Int() < 0 || a.Int() > 255) {
|
|
logErrorTypeMismatch() << "expected four 0-255 values for the rgba color";
|
|
}
|
|
|
|
assertNextToken(BasicType::RightParenthesis);
|
|
|
|
return { convertIntColor(r.Int(), g.Int(), b.Int(), a.Int()) };
|
|
} else if (tokenValue(rgbaToken) == "rgb") {
|
|
assertNextToken(BasicType::LeftParenthesis);
|
|
|
|
auto r = readNumericValue(); assertNextToken(BasicType::Comma);
|
|
auto g = readNumericValue(); assertNextToken(BasicType::Comma);
|
|
auto b = readNumericValue();
|
|
if (r.type().tag != structure::TypeTag::Int || r.Int() < 0 || r.Int() > 255 ||
|
|
g.type().tag != structure::TypeTag::Int || g.Int() < 0 || g.Int() > 255 ||
|
|
b.type().tag != structure::TypeTag::Int || b.Int() < 0 || b.Int() > 255) {
|
|
logErrorTypeMismatch() << "expected three int values for the rgb color";
|
|
}
|
|
|
|
assertNextToken(BasicType::RightParenthesis);
|
|
|
|
return { convertIntColor(r.Int(), g.Int(), b.Int(), 255) };
|
|
}
|
|
file_.putBack();
|
|
}
|
|
return {};
|
|
}
|
|
|
|
structure::Value ParsedFile::readPointValue() {
|
|
if (auto font = file_.getToken(BasicType::Name)) {
|
|
if (tokenValue(font) == "point") {
|
|
assertNextToken(BasicType::LeftParenthesis);
|
|
|
|
auto x = readNumericOrNumericCopyValue(); assertNextToken(BasicType::Comma);
|
|
auto y = readNumericOrNumericCopyValue();
|
|
if (x.type().tag != structure::TypeTag::Pixels ||
|
|
y.type().tag != structure::TypeTag::Pixels) {
|
|
logErrorTypeMismatch() << "expected two px values for the point";
|
|
}
|
|
|
|
assertNextToken(BasicType::RightParenthesis);
|
|
|
|
return { structure::data::point { x.Int(), y.Int() } };
|
|
}
|
|
file_.putBack();
|
|
}
|
|
return {};
|
|
}
|
|
|
|
structure::Value ParsedFile::readSpriteValue() {
|
|
if (auto font = file_.getToken(BasicType::Name)) {
|
|
if (tokenValue(font) == "sprite") {
|
|
assertNextToken(BasicType::LeftParenthesis);
|
|
|
|
auto x = readNumericValue(); assertNextToken(BasicType::Comma);
|
|
auto y = readNumericValue(); assertNextToken(BasicType::Comma);
|
|
auto w = readNumericValue(); assertNextToken(BasicType::Comma);
|
|
auto h = readNumericValue();
|
|
if (x.type().tag != structure::TypeTag::Pixels ||
|
|
y.type().tag != structure::TypeTag::Pixels ||
|
|
w.type().tag != structure::TypeTag::Pixels ||
|
|
h.type().tag != structure::TypeTag::Pixels) {
|
|
logErrorTypeMismatch() << "expected four px values for the sprite";
|
|
}
|
|
|
|
assertNextToken(BasicType::RightParenthesis);
|
|
|
|
return { structure::data::sprite { x.Int(), y.Int(), w.Int(), h.Int() } };
|
|
}
|
|
file_.putBack();
|
|
}
|
|
return {};
|
|
}
|
|
|
|
structure::Value ParsedFile::readSizeValue() {
|
|
if (auto font = file_.getToken(BasicType::Name)) {
|
|
if (tokenValue(font) == "size") {
|
|
assertNextToken(BasicType::LeftParenthesis);
|
|
|
|
auto w = readNumericOrNumericCopyValue(); assertNextToken(BasicType::Comma);
|
|
auto h = readNumericOrNumericCopyValue();
|
|
if (w.type().tag != structure::TypeTag::Pixels ||
|
|
h.type().tag != structure::TypeTag::Pixels) {
|
|
logErrorTypeMismatch() << "expected two px values for the size";
|
|
}
|
|
|
|
assertNextToken(BasicType::RightParenthesis);
|
|
|
|
return { structure::data::size { w.Int(), h.Int() } };
|
|
}
|
|
file_.putBack();
|
|
}
|
|
return {};
|
|
}
|
|
|
|
structure::Value ParsedFile::readTransitionValue() {
|
|
if (auto font = file_.getToken(BasicType::Name)) {
|
|
if (tokenValue(font) == "transition") {
|
|
assertNextToken(BasicType::LeftParenthesis);
|
|
|
|
auto transition = tokenValue(assertNextToken(BasicType::Name));
|
|
|
|
assertNextToken(BasicType::RightParenthesis);
|
|
|
|
if (validateTransitionString(transition)) {
|
|
return { structure::TypeTag::Transition, transition.toStdString() };
|
|
} else {
|
|
logError(kErrorBadString) << "bad transition value";
|
|
}
|
|
}
|
|
file_.putBack();
|
|
}
|
|
return {};
|
|
}
|
|
|
|
structure::Value ParsedFile::readCursorValue() {
|
|
if (auto font = file_.getToken(BasicType::Name)) {
|
|
if (tokenValue(font) == "cursor") {
|
|
assertNextToken(BasicType::LeftParenthesis);
|
|
|
|
auto cursor = tokenValue(assertNextToken(BasicType::Name));
|
|
|
|
assertNextToken(BasicType::RightParenthesis);
|
|
|
|
if (validateCursorString(cursor)) {
|
|
return { structure::TypeTag::Cursor, cursor.toStdString() };
|
|
} else {
|
|
logError(kErrorBadString) << "bad cursor string";
|
|
}
|
|
}
|
|
file_.putBack();
|
|
}
|
|
return {};
|
|
}
|
|
|
|
structure::Value ParsedFile::readAlignValue() {
|
|
if (auto font = file_.getToken(BasicType::Name)) {
|
|
if (tokenValue(font) == "align") {
|
|
assertNextToken(BasicType::LeftParenthesis);
|
|
|
|
auto align = tokenValue(assertNextToken(BasicType::Name));
|
|
|
|
assertNextToken(BasicType::RightParenthesis);
|
|
|
|
if (validateAlignString(align)) {
|
|
return { structure::TypeTag::Align, align.toStdString() };
|
|
} else {
|
|
logError(kErrorBadString) << "bad align string";
|
|
}
|
|
}
|
|
file_.putBack();
|
|
}
|
|
return {};
|
|
}
|
|
|
|
structure::Value ParsedFile::readMarginsValue() {
|
|
if (auto font = file_.getToken(BasicType::Name)) {
|
|
if (tokenValue(font) == "margins") {
|
|
assertNextToken(BasicType::LeftParenthesis);
|
|
|
|
auto l = readNumericOrNumericCopyValue(); assertNextToken(BasicType::Comma);
|
|
auto t = readNumericOrNumericCopyValue(); assertNextToken(BasicType::Comma);
|
|
auto r = readNumericOrNumericCopyValue(); assertNextToken(BasicType::Comma);
|
|
auto b = readNumericOrNumericCopyValue();
|
|
if (l.type().tag != structure::TypeTag::Pixels ||
|
|
t.type().tag != structure::TypeTag::Pixels ||
|
|
r.type().tag != structure::TypeTag::Pixels ||
|
|
b.type().tag != structure::TypeTag::Pixels) {
|
|
logErrorTypeMismatch() << "expected four px values for the margins";
|
|
}
|
|
|
|
assertNextToken(BasicType::RightParenthesis);
|
|
|
|
return { structure::data::margins { l.Int(), t.Int(), r.Int(), b.Int() } };
|
|
}
|
|
file_.putBack();
|
|
}
|
|
return {};
|
|
}
|
|
|
|
structure::Value ParsedFile::readFontValue() {
|
|
if (auto font = file_.getToken(BasicType::Name)) {
|
|
if (tokenValue(font) == "font") {
|
|
assertNextToken(BasicType::LeftParenthesis);
|
|
|
|
int flags = 0;
|
|
structure::Value family, size;
|
|
do {
|
|
if (auto formatToken = file_.getToken(BasicType::Name)) {
|
|
if (tokenValue(formatToken) == "bold") {
|
|
flags |= structure::data::font::Bold;
|
|
} else if (tokenValue(formatToken) == "italic") {
|
|
flags |= structure::data::font::Italic;
|
|
} else if (tokenValue(formatToken) == "underline") {
|
|
flags |= structure::data::font::Underline;
|
|
} else {
|
|
file_.putBack();
|
|
}
|
|
}
|
|
if (auto familyValue = readStringOrStringCopyValue()) {
|
|
family = familyValue;
|
|
} else if (auto sizeValue = readNumericOrNumericCopyValue()) {
|
|
size = sizeValue;
|
|
} else if (file_.getToken(BasicType::RightParenthesis)) {
|
|
break;
|
|
} else {
|
|
logErrorUnexpectedToken() << "font family, font size or ')'";
|
|
}
|
|
} while (!failed());
|
|
|
|
if (size.type().tag != structure::TypeTag::Pixels) {
|
|
logErrorTypeMismatch() << "px value for the font size expected";
|
|
}
|
|
return { structure::data::font { family.String(), size.Int(), flags } };
|
|
}
|
|
file_.putBack();
|
|
}
|
|
return {};
|
|
}
|
|
|
|
structure::Value ParsedFile::readIconValue() {
|
|
if (auto font = file_.getToken(BasicType::Name)) {
|
|
if (tokenValue(font) == "icon") {
|
|
std::vector<structure::data::monoicon> parts;
|
|
if (file_.getToken(BasicType::LeftBrace)) { // complex icon
|
|
do {
|
|
if (file_.getToken(BasicType::RightBrace)) {
|
|
break;
|
|
} else if (file_.getToken(BasicType::LeftBrace)) {
|
|
if (auto part = readMonoIconFields()) {
|
|
assertNextToken(BasicType::RightBrace);
|
|
parts.push_back(part);
|
|
file_.getToken(BasicType::Comma);
|
|
continue;
|
|
}
|
|
return {};
|
|
} else {
|
|
logErrorUnexpectedToken() << "icon part or '}'";
|
|
return {};
|
|
}
|
|
} while (true);
|
|
|
|
} else if (file_.getToken(BasicType::LeftParenthesis)) { // short icon
|
|
if (auto theOnlyPart = readMonoIconFields()) {
|
|
assertNextToken(BasicType::RightParenthesis);
|
|
parts.push_back(theOnlyPart);
|
|
}
|
|
}
|
|
|
|
if (parts.empty()) {
|
|
logErrorUnexpectedToken() << "at least one icon part";
|
|
return {};
|
|
}
|
|
return { structure::data::icon { parts } };
|
|
}
|
|
file_.putBack();
|
|
}
|
|
return {};
|
|
}
|
|
|
|
structure::Value ParsedFile::readCopyValue() {
|
|
if (auto copyName = file_.getToken(BasicType::Name)) {
|
|
structure::FullName name = { tokenValue(copyName) };
|
|
if (auto variable = module_->findVariable(name)) {
|
|
return variable->value.makeCopy(variable->name);
|
|
}
|
|
file_.putBack();
|
|
}
|
|
return {};
|
|
}
|
|
|
|
structure::Value ParsedFile::readNumericOrNumericCopyValue() {
|
|
if (auto result = readNumericValue()) {
|
|
return result;
|
|
} else if (auto copy = readCopyValue()) {
|
|
auto type = copy.type().tag;
|
|
if (type == structure::TypeTag::Int
|
|
|| type == structure::TypeTag::Double
|
|
|| type == structure::TypeTag::Pixels) {
|
|
return copy;
|
|
} else {
|
|
file_.putBack();
|
|
}
|
|
}
|
|
return {};
|
|
}
|
|
|
|
structure::Value ParsedFile::readStringOrStringCopyValue() {
|
|
if (auto result = readStringValue()) {
|
|
return result;
|
|
} else if (auto copy = readCopyValue()) {
|
|
auto type = copy.type().tag;
|
|
if (type == structure::TypeTag::String) {
|
|
return copy;
|
|
} else {
|
|
file_.putBack();
|
|
}
|
|
}
|
|
return {};
|
|
}
|
|
|
|
structure::data::monoicon ParsedFile::readMonoIconFields() {
|
|
structure::data::monoicon result;
|
|
result.filename = readMonoIconFilename();
|
|
if (!result.filename.isEmpty() && file_.getToken(BasicType::Comma)) {
|
|
if (auto color = readValue()) {
|
|
if (color.type().tag == structure::TypeTag::Color) {
|
|
result.color = color;
|
|
if (file_.getToken(BasicType::Comma)) {
|
|
if (auto offset = readValue()) {
|
|
if (offset.type().tag == structure::TypeTag::Point) {
|
|
result.offset = offset;
|
|
} else {
|
|
logErrorUnexpectedToken() << "icon offset";
|
|
}
|
|
} else {
|
|
logErrorUnexpectedToken() << "icon offset";
|
|
}
|
|
} else {
|
|
result.offset = { structure::data::point { 0, 0 } };
|
|
}
|
|
} else {
|
|
logErrorUnexpectedToken() << "icon color";
|
|
}
|
|
} else {
|
|
logErrorUnexpectedToken() << "icon color";
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
QString ParsedFile::readMonoIconFilename() {
|
|
if (auto filename = readValue()) {
|
|
if (filename.type().tag == structure::TypeTag::String) {
|
|
auto filepath = QString::fromStdString(filename.String());
|
|
for (const auto &path : options_.includePaths) {
|
|
QFileInfo fileinfo(path + '/' + filepath + ".png");
|
|
if (fileinfo.exists()) {
|
|
return path + '/' + filepath;
|
|
}
|
|
}
|
|
for (const auto &path : options_.includePaths) {
|
|
QFileInfo fileinfo(path + "/icons/" + filepath + ".png");
|
|
if (fileinfo.exists()) {
|
|
return path + "/icons/" + filepath;
|
|
}
|
|
}
|
|
logError(common::kErrorFileNotFound) << "could not open icon file '" << filename.String() << "'";
|
|
} else if (filename.type().tag == structure::TypeTag::Size) {
|
|
return QString("size://%1,%2").arg(filename.Size().width).arg(filename.Size().height);
|
|
}
|
|
}
|
|
logErrorUnexpectedToken() << "icon filename or rect size";
|
|
return QString();
|
|
}
|
|
|
|
BasicToken ParsedFile::assertNextToken(BasicToken::Type type) {
|
|
auto result = file_.getToken(type);
|
|
if (!result) {
|
|
logErrorUnexpectedToken() << type;
|
|
}
|
|
return result;
|
|
}
|
|
|
|
Options ParsedFile::includedOptions(const QString &filepath) {
|
|
auto result = options_;
|
|
result.inputPath = filepath;
|
|
result.includePaths[0] = QFileInfo(filePath_).dir().absolutePath();
|
|
return result;
|
|
}
|
|
|
|
// Compose context-dependent full name.
|
|
structure::FullName ParsedFile::composeFullName(const QString &name) {
|
|
return { name };
|
|
}
|
|
|
|
} // namespace style
|
|
} // namespace codegen
|