132 lines
4 KiB
C++
132 lines
4 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop application for the Telegram messaging service.
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For license and copyright information please follow this link:
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https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
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*/
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#pragma once
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#include <memory>
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#include <string>
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#include <functional>
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#include <QImage>
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#include "codegen/common/basic_tokenized_file.h"
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#include "codegen/style/options.h"
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#include "codegen/style/module.h"
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namespace codegen {
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namespace style {
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using Modifier = std::function<void(QImage &image)>;
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Modifier GetModifier(const QString &name);
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// Parses an input file to the internal struct.
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class ParsedFile {
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public:
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explicit ParsedFile(
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const Options &options,
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std::vector<QString> includeStack = {});
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ParsedFile(const ParsedFile &other) = delete;
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ParsedFile &operator=(const ParsedFile &other) = delete;
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bool read();
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using ModulePtr = std::unique_ptr<structure::Module>;
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ModulePtr getResult() {
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return std::move(module_);
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}
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private:
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bool failed() const {
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return failed_ || file_.failed();
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}
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// Log error to std::cerr with 'code' at the current position in file.
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common::LogStream logError(int code) {
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failed_ = true;
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return file_.logError(code);
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}
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common::LogStream logErrorUnexpectedToken() {
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failed_ = true;
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return file_.logErrorUnexpectedToken();
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}
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common::LogStream logErrorTypeMismatch();
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common::LogStream logAssert(bool assertion) {
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if (!assertion) {
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return logError(common::kErrorInternal) << "internal - ";
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}
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return common::LogStream(common::LogStream::Null);
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}
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// Helper methods for context-dependent reading.
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ModulePtr readIncluded();
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structure::Struct readStruct(const QString &name);
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structure::Variable readVariable(const QString &name);
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structure::StructField readStructField(const QString &name);
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structure::Type readType();
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structure::Value readValue();
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structure::Value readStructValue();
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structure::Value defaultConstructedStruct(const structure::FullName &name);
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void applyStructParent(structure::Value &result, const structure::FullName &parentName);
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bool readStructValueInner(structure::Value &result);
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bool assignStructField(structure::Value &result, const structure::Variable &field);
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bool readStructParents(structure::Value &result);
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// Simple methods for reading value types.
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structure::Value readPositiveValue();
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structure::Value readNumericValue();
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structure::Value readStringValue();
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structure::Value readColorValue();
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structure::Value readPointValue();
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structure::Value readSizeValue();
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structure::Value readAlignValue();
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structure::Value readMarginsValue();
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structure::Value readFontValue();
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structure::Value readIconValue();
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structure::Value readCopyValue();
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structure::Value readNumericOrNumericCopyValue();
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structure::Value readStringOrStringCopyValue();
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structure::data::monoicon readMonoIconFields();
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QString readMonoIconFilename();
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// Read next token and fire unexpected token error if it is not of "type".
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using BasicToken = common::BasicTokenizedFile::Token;
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BasicToken assertNextToken(BasicToken::Type type);
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// Look through include directories in options_ and find absolute include path.
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Options includedOptions(const QString &filepath);
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// Compose context-dependent full name.
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structure::FullName composeFullName(const QString &name);
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QString filePath_;
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common::BasicTokenizedFile file_;
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Options options_;
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bool failed_ = false;
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ModulePtr module_;
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std::vector<QString> includeStack_;
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QMap<std::string, structure::Type> typeNames_ = {
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{ "int" , { structure::TypeTag::Int } },
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{ "double" , { structure::TypeTag::Double } },
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{ "pixels" , { structure::TypeTag::Pixels } },
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{ "string" , { structure::TypeTag::String } },
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{ "color" , { structure::TypeTag::Color } },
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{ "point" , { structure::TypeTag::Point } },
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{ "size" , { structure::TypeTag::Size } },
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{ "align" , { structure::TypeTag::Align } },
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{ "margins" , { structure::TypeTag::Margins } },
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{ "font" , { structure::TypeTag::Font } },
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{ "icon" , { structure::TypeTag::Icon } },
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};
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};
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} // namespace style
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} // namespace codegen
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