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			133 lines
		
	
	
		
			4.0 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			133 lines
		
	
	
		
			4.0 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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| 
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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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| 
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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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| 
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| namespace codegen {
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| namespace style {
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| 
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| using Modifier = std::function<void(QImage &image)>;
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| Modifier GetModifier(const QString &name);
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| 
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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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| 
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| 	bool read();
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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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| 	structure::Value readNumericOrNumericCopyValue();
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| 	structure::Value readStringOrStringCopyValue();
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| 
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| 	structure::data::monoicon readMonoIconFields();
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| 	QString readMonoIconFilename();
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| 
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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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| 
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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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| 
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| 	// Compose context-dependent full name.
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| 	structure::FullName composeFullName(const QString &name);
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| 
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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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| 
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| 	std::vector<QString> includeStack_;
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| 
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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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| };
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| 
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| } // namespace style
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| } // namespace codegen
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