mirror of https://github.com/procxx/kepka.git
138 lines
4.6 KiB
C++
138 lines
4.6 KiB
C++
//
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// This file is part of Kepka,
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// an unofficial desktop version of Telegram messaging app,
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// see https://github.com/procxx/kepka
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//
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// Kepka 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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//
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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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//
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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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//
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// Full license: https://github.com/procxx/kepka/blob/master/LICENSE
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// Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
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// Copyright (c) 2017- Kepka Contributors, https://github.com/procxx
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//
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#pragma once
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#include "codegen/common/basic_tokenized_file.h"
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#include "codegen/style/module.h"
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#include "codegen/style/options.h"
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#include <QtGui/QImage>
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#include <functional>
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#include <memory>
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#include <string>
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namespace codegen {
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namespace style {
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using Modifier = std::function<void(QImage &png100x, QImage &png200x)>;
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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(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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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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QMap<std::string, structure::Type> typeNames_ = {
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{"int", {structure::TypeTag::Int}}, {"double", {structure::TypeTag::Double}},
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{"pixels", {structure::TypeTag::Pixels}}, {"string", {structure::TypeTag::String}},
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{"color", {structure::TypeTag::Color}}, {"point", {structure::TypeTag::Point}},
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{"size", {structure::TypeTag::Size}}, {"align", {structure::TypeTag::Align}},
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{"margins", {structure::TypeTag::Margins}}, {"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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