forked from qt-creator/qt-creator
TextEditor: replace generic highlighter with ksyntaxhighlighting
Fixes: QTCREATORBUG-21029 Change-Id: I9894c4384e0e47da6bf030b7b8e07c3ad4737ff3 Reviewed-by: Orgad Shaneh <orgads@gmail.com>
This commit is contained in:
David Schulz
158
src/plugins/texteditor/highlighter.cpp
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158
src/plugins/texteditor/highlighter.cpp
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/****************************************************************************
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**
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** Copyright (C) 2019 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of Qt Creator.
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**
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3 as published by the Free Software
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** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
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** included in the packaging of this file. Please review the following
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** information to ensure the GNU General Public License requirements will
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** be met: https://www.gnu.org/licenses/gpl-3.0.html.
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**
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****************************************************************************/
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#include "highlighter.h"
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#include "definitiondownloader.h"
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#include "highlightersettings.h"
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#include "textdocumentlayout.h"
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#include "texteditorsettings.h"
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#include <coreplugin/icore.h>
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#include <coreplugin/messagemanager.h>
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#include <Format>
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#include <Repository>
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#include <SyntaxHighlighter>
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#include <QDir>
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#include <QMetaEnum>
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using namespace TextEditor;
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KSyntaxHighlighting::Repository *highlightRepository()
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{
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static KSyntaxHighlighting::Repository *repository = nullptr;
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if (!repository) {
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repository = new KSyntaxHighlighting::Repository();
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repository->addCustomSearchPath(TextEditorSettings::highlighterSettings().definitionFilesPath());
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QDir dir(Core::ICore::resourcePath() + QLatin1String("/generic-highlighter/syntax"));
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if (dir.exists() && dir.cdUp())
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repository->addCustomSearchPath(dir.path());
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}
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return repository;
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}
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TextStyle categoryForTextStyle(int style)
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{
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switch (style) {
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case KSyntaxHighlighting::Theme::Normal: return C_TEXT;
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case KSyntaxHighlighting::Theme::Keyword: return C_KEYWORD;
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case KSyntaxHighlighting::Theme::Function: return C_FUNCTION;
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case KSyntaxHighlighting::Theme::Variable: return C_LOCAL;
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case KSyntaxHighlighting::Theme::ControlFlow: return C_KEYWORD;
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case KSyntaxHighlighting::Theme::Operator: return C_OPERATOR;
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case KSyntaxHighlighting::Theme::BuiltIn: return C_PRIMITIVE_TYPE;
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case KSyntaxHighlighting::Theme::Extension: return C_GLOBAL;
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case KSyntaxHighlighting::Theme::Preprocessor: return C_PREPROCESSOR;
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case KSyntaxHighlighting::Theme::Attribute: return C_LOCAL;
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case KSyntaxHighlighting::Theme::Char: return C_STRING;
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case KSyntaxHighlighting::Theme::SpecialChar: return C_STRING;
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case KSyntaxHighlighting::Theme::String: return C_STRING;
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case KSyntaxHighlighting::Theme::VerbatimString: return C_STRING;
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case KSyntaxHighlighting::Theme::SpecialString: return C_STRING;
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case KSyntaxHighlighting::Theme::Import: return C_PREPROCESSOR;
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case KSyntaxHighlighting::Theme::DataType: return C_TYPE;
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case KSyntaxHighlighting::Theme::DecVal: return C_NUMBER;
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case KSyntaxHighlighting::Theme::BaseN: return C_NUMBER;
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case KSyntaxHighlighting::Theme::Float: return C_NUMBER;
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case KSyntaxHighlighting::Theme::Constant: return C_KEYWORD;
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case KSyntaxHighlighting::Theme::Comment: return C_COMMENT;
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case KSyntaxHighlighting::Theme::Documentation: return C_DOXYGEN_COMMENT;
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case KSyntaxHighlighting::Theme::Annotation: return C_DOXYGEN_TAG;
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case KSyntaxHighlighting::Theme::CommentVar: return C_DOXYGEN_TAG;
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case KSyntaxHighlighting::Theme::RegionMarker: return C_PREPROCESSOR;
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case KSyntaxHighlighting::Theme::Information: return C_WARNING;
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case KSyntaxHighlighting::Theme::Warning: return C_WARNING;
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case KSyntaxHighlighting::Theme::Alert: return C_ERROR;
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case KSyntaxHighlighting::Theme::Error: return C_ERROR;
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case KSyntaxHighlighting::Theme::Others: return C_TEXT;
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}
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return C_TEXT;
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}
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Highlighter::Highlighter()
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{
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setTextFormatCategories(QMetaEnum::fromType<KSyntaxHighlighting::Theme::TextStyle>().keyCount(),
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&categoryForTextStyle);
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}
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KSyntaxHighlighting::Definition Highlighter::definitionForMimeType(const QString &mimeType)
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{
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return highlightRepository()->definitionForMimeType(mimeType);
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}
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KSyntaxHighlighting::Definition Highlighter::definitionForFileName(const QString &fileName)
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{
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return highlightRepository()->definitionForFileName(fileName);
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}
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void Highlighter::addCustomHighlighterPath(const Utils::FileName &path)
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{
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highlightRepository()->addCustomSearchPath(path.toString());
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}
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void Highlighter::updateDefinitions(std::function<void()> callback) {
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auto downloader =
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new KSyntaxHighlighting::DefinitionDownloader(highlightRepository());
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connect(downloader, &KSyntaxHighlighting::DefinitionDownloader::done,
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[downloader, callback]() {
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Core::MessageManager::write(tr("Highlighter updates: done"),
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Core::MessageManager::ModeSwitch);
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downloader->deleteLater();
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if (callback)
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callback();
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});
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connect(downloader,
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&KSyntaxHighlighting::DefinitionDownloader::informationMessage,
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[](const QString &message) {
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Core::MessageManager::write(tr("Highlighter updates:") + ' ' +
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message,
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Core::MessageManager::ModeSwitch);
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});
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downloader->start();
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}
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void Highlighter::handleShutdown()
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{
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delete highlightRepository();
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}
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void Highlighter::highlightBlock(const QString &text)
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{
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if (!definition().isValid())
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return;
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QTextBlock block = currentBlock();
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KSyntaxHighlighting::State state = TextDocumentLayout::userData(block)->syntaxState();
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state = highlightLine(text, state);
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block = block.next();
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if (block.isValid())
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TextDocumentLayout::userData(block)->setSyntaxState(state);
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}
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void Highlighter::applyFormat(int offset, int length, const KSyntaxHighlighting::Format &format)
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{
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setFormat(offset, length, formatForCategory(format.textStyle()));
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}
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