mirror of https://github.com/procxx/kepka.git
147 lines
3.7 KiB
C++
147 lines
3.7 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop version of Telegram messaging app, see https://telegram.org
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Telegram Desktop is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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It is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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In addition, as a special exception, the copyright holders give permission
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to link the code of portions of this program with the OpenSSL library.
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Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
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Copyright (c) 2014-2016 John Preston, https://desktop.telegram.org
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*/
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#pragma once
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#include <memory>
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#include <QtCore/QString>
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#include <QtCore/QFileInfo>
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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/structure.h"
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namespace codegen {
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namespace style {
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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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ParsedFile(const Options &options);
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ParsedFile(const ParsedFile &other) = delete;
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ParsedFile &operator=(const ParsedFile &other) = delete;
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struct Token {
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enum class Type {
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Invalid,
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Using, // value: file path
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DefineStructStart, // value: struct name
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DefineStructField, // value: struct field name
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StructFieldType, // value: struct field type name
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DefineStructEnd,
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DefineVariable, // value: variable name
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StructStart, // value: struct name
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StructParent, // value: variable parent name
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VariableField, // value: variable field name
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StructEnd,
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Int,
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Double,
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Pixels,
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String,
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Color,
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Point,
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Sprite,
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Size,
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Transition,
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Cursor,
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Align,
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Margins,
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Font,
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};
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Type type;
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QString value;
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explicit operator bool() const {
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return type != Type::Invalid;
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}
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};
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bool read();
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const structure::Module &data() const {
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return result_;
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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(const std::string &expected = std::string()) {
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failed_ = true;
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return file_.logErrorUnexpectedToken(expected);
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}
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Token readToken();
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// State value defines what are we waiting next.
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enum class State {
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Default, // [ using | struct name | variable name | end ]
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StructStarted, // [ struct field name | struct end ]
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StructFieldName, // [ struct field type ]
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Variable, // [ struct name | variable value ]
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VariableParents, // [ variable parent name | variable start ]
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VariableStarted, // [ variable field name | variable end]
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VariableChild, // [ variable child value ]
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};
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// Helper methods for readToken() being in specific State.
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Token readInDefault();
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Token readInStructStarted();
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Token readInStructFieldName();
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Token readInVariable();
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Token readInVariableParents();
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Token readInVariableStarted();
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Token readInVariableChild();
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Token readNumericToken();
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Token readValueToken();
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Token readColorToken();
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Token readPointToken();
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Token readSpriteToken();
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Token readSizeToken();
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Token readTransitionToken();
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Token readCursorToken();
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Token readAlignToken();
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Token readMarginsToken();
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Token readFontToken();
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common::BasicTokenizedFile file_;
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Options options_;
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bool failed_ = false;
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State state_ = State::Default;
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structure::Module result_;
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};
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} // namespace style
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} // namespace codegen
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