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qt-creator/src/plugins/cpptools/cpptoolsplugin.cpp
Friedemann Kleint 68d4d35cae Coreplugin: Header cleanup. 
Clean icore.h.
2010-11-02 16:53:56 +01:00

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/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** Commercial Usage
**
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
** GNU Lesser General Public License Usage
**
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at http://qt.nokia.com/contact.
**
**************************************************************************/
#include "cpptoolsplugin.h"
#include "completionsettingspage.h"
#include "cppfilesettingspage.h"
#include "cppclassesfilter.h"
#include "cppcodecompletion.h"
#include "cppfunctionsfilter.h"
#include "cppcurrentdocumentfilter.h"
#include "cppmodelmanager.h"
#include "cpptoolsconstants.h"
#include "cpplocatorfilter.h"
#include "symbolsfindfilter.h"
#include <extensionsystem/pluginmanager.h>
#include <coreplugin/icore.h>
#include <coreplugin/mimedatabase.h>
#include <coreplugin/coreconstants.h>
#include <coreplugin/actionmanager/actionmanager.h>
#include <coreplugin/actionmanager/actioncontainer.h>
#include <coreplugin/actionmanager/command.h>
#include <coreplugin/uniqueidmanager.h>
#include <coreplugin/editormanager/editormanager.h>
#include <coreplugin/progressmanager/progressmanager.h>
#include <coreplugin/vcsmanager.h>
#include <coreplugin/filemanager.h>
#include <texteditor/texteditorsettings.h>
#include <cppeditor/cppeditorconstants.h>
#include <QtCore/QtConcurrentRun>
#include <QtCore/QFutureSynchronizer>
#include <qtconcurrent/runextensions.h>
#include <find/ifindfilter.h>
#include <find/searchresultwindow.h>
#include <utils/filesearch.h>
#include <QtCore/QtPlugin>
#include <QtCore/QFileInfo>
#include <QtCore/QDir>
#include <QtCore/QDebug>
#include <QtCore/QSettings>
#include <QtGui/QMenu>
#include <QtGui/QAction>
#include <sstream>
using namespace CppTools::Internal;
using namespace CPlusPlus;
enum { debug = 0 };
CppToolsPlugin *CppToolsPlugin::m_instance = 0;
CppToolsPlugin::CppToolsPlugin() :
m_modelManager(0),
m_fileSettings(new CppFileSettings)
{
m_instance = this;
}
CppToolsPlugin::~CppToolsPlugin()
{
m_instance = 0;
m_modelManager = 0; // deleted automatically
}
bool CppToolsPlugin::initialize(const QStringList &arguments, QString *error)
{
Q_UNUSED(arguments)
Q_UNUSED(error)
Core::ICore *core = Core::ICore::instance();
Core::ActionManager *am = core->actionManager();
// Objects
m_modelManager = new CppModelManager(this);
Core::VCSManager *vcsManager = core->vcsManager();
Core::FileManager *fileManager = core->fileManager();
connect(vcsManager, SIGNAL(repositoryChanged(QString)),
m_modelManager, SLOT(updateModifiedSourceFiles()));
connect(fileManager, SIGNAL(filesChangedInternally(QStringList)),
m_modelManager, SLOT(updateSourceFiles(QStringList)));
addAutoReleasedObject(m_modelManager);
CppCodeCompletion *completion = new CppCodeCompletion(m_modelManager);
addAutoReleasedObject(completion);
addAutoReleasedObject(new CppLocatorFilter(m_modelManager));
addAutoReleasedObject(new CppClassesFilter(m_modelManager));
addAutoReleasedObject(new CppFunctionsFilter(m_modelManager));
addAutoReleasedObject(new CppCurrentDocumentFilter(m_modelManager, core->editorManager()));
addAutoReleasedObject(new CompletionSettingsPage);
addAutoReleasedObject(new CppFileSettingsPage(m_fileSettings));
addAutoReleasedObject(new SymbolsFindFilter(m_modelManager));
// Menus
Core::ActionContainer *mtools = am->actionContainer(Core::Constants::M_TOOLS);
Core::ActionContainer *mcpptools = am->createMenu(CppTools::Constants::M_TOOLS_CPP);
QMenu *menu = mcpptools->menu();
menu->setTitle(tr("&C++"));
menu->setEnabled(true);
mtools->addMenu(mcpptools);
// Actions
Core::Context context(CppEditor::Constants::C_CPPEDITOR);
QAction *switchAction = new QAction(tr("Switch Header/Source"), this);
Core::Command *command = am->registerAction(switchAction, Constants::SWITCH_HEADER_SOURCE, context);
command->setDefaultKeySequence(QKeySequence(Qt::Key_F4));
mcpptools->addAction(command);
connect(switchAction, SIGNAL(triggered()), this, SLOT(switchHeaderSource()));
// Set completion settings and keep them up to date
TextEditor::TextEditorSettings *textEditorSettings = TextEditor::TextEditorSettings::instance();
completion->setCompletionSettings(textEditorSettings->completionSettings());
connect(textEditorSettings, SIGNAL(completionSettingsChanged(TextEditor::CompletionSettings)),
completion, SLOT(setCompletionSettings(TextEditor::CompletionSettings)));
return true;
}
void CppToolsPlugin::extensionsInitialized()
{
// The Cpp editor plugin, which is loaded later on, registers the Cpp mime types,
// so, apply settings here
m_fileSettings->fromSettings(Core::ICore::instance()->settings());
if (!m_fileSettings->applySuffixesToMimeDB())
qWarning("Unable to apply cpp suffixes to mime database (cpp mime types not found).\n");
// Initialize header suffixes
const Core::MimeDatabase *mimeDatabase = Core::ICore::instance()->mimeDatabase();
const Core::MimeType mimeType = mimeDatabase->findByType(QLatin1String("text/x-c++hdr"));
m_modelManager->setHeaderSuffixes(mimeType.suffixes());
}
ExtensionSystem::IPlugin::ShutdownFlag CppToolsPlugin::aboutToShutdown()
{
return SynchronousShutdown;
}
void CppToolsPlugin::switchHeaderSource()
{
Core::EditorManager *editorManager = Core::EditorManager::instance();
Core::IEditor *editor = editorManager->currentEditor();
QString otherFile = correspondingHeaderOrSource(editor->file()->fileName());
if (!otherFile.isEmpty())
editorManager->openEditor(otherFile);
}
QFileInfo CppToolsPlugin::findFile(const QDir &dir, const QString &name,
const ProjectExplorer::Project *project) const
{
if (debug)
qDebug() << Q_FUNC_INFO << dir << name;
QFileInfo fileInSameDir(dir, name);
if (project && !fileInSameDir.isFile()) {
QString pattern = QString(1, QLatin1Char('/'));
pattern += name;
const QStringList projectFiles = project->files(ProjectExplorer::Project::AllFiles);
const QStringList::const_iterator pcend = projectFiles.constEnd();
for (QStringList::const_iterator it = projectFiles.constBegin(); it != pcend; ++it)
if (it->endsWith(pattern))
return QFileInfo(*it);
return QFileInfo();
}
return fileInSameDir;
}
// Figure out file type
enum FileType {
HeaderFile,
C_SourceFile,
CPP_SourceFile,
ObjectiveCPP_SourceFile,
UnknownType
};
static inline FileType fileType(const Core::MimeDatabase *mimeDatase, const QFileInfo & fi)
{
const Core::MimeType mimeType = mimeDatase->findByFile(fi);
if (!mimeType)
return UnknownType;
const QString typeName = mimeType.type();
if (typeName == QLatin1String(CppTools::Constants::C_SOURCE_MIMETYPE))
return C_SourceFile;
if (typeName == QLatin1String(CppTools::Constants::CPP_SOURCE_MIMETYPE))
return CPP_SourceFile;
if (typeName == QLatin1String(CppTools::Constants::OBJECTIVE_CPP_SOURCE_MIMETYPE))
return ObjectiveCPP_SourceFile;
if (typeName == QLatin1String(CppTools::Constants::C_HEADER_MIMETYPE)
|| typeName == QLatin1String(CppTools::Constants::CPP_HEADER_MIMETYPE))
return HeaderFile;
return UnknownType;
}
// Return the suffixes that should be checked when trying to find a
// source belonging to a header and vice versa
static QStringList matchingCandidateSuffixes(const Core::MimeDatabase *mimeDatase, FileType type)
{
switch (type) {
case UnknownType:
break;
case HeaderFile: // Note that C/C++ headers are undistinguishable
return mimeDatase->findByType(QLatin1String(CppTools::Constants::C_SOURCE_MIMETYPE)).suffixes()
+ mimeDatase->findByType(QLatin1String(CppTools::Constants::CPP_SOURCE_MIMETYPE)).suffixes()
+ mimeDatase->findByType(QLatin1String(CppTools::Constants::OBJECTIVE_CPP_SOURCE_MIMETYPE)).suffixes();
case C_SourceFile:
return mimeDatase->findByType(QLatin1String(CppTools::Constants::C_HEADER_MIMETYPE)).suffixes();
case CPP_SourceFile:
case ObjectiveCPP_SourceFile:
return mimeDatase->findByType(QLatin1String(CppTools::Constants::CPP_HEADER_MIMETYPE)).suffixes();
}
return QStringList();
}
QString CppToolsPlugin::correspondingHeaderOrSourceI(const QString &fileName) const
{
const Core::ICore *core = Core::ICore::instance();
const Core::MimeDatabase *mimeDatase = core->mimeDatabase();
ProjectExplorer::ProjectExplorerPlugin *explorer =
ProjectExplorer::ProjectExplorerPlugin::instance();
ProjectExplorer::Project *project = (explorer ? explorer->currentProject() : 0);
const QFileInfo fi(fileName);
const FileType type = fileType(mimeDatase, fi);
if (debug)
qDebug() << Q_FUNC_INFO << fileName << type;
if (type == UnknownType)
return QString();
const QDir absoluteDir = fi.absoluteDir();
const QString baseName = fi.completeBaseName();
const QStringList suffixes = matchingCandidateSuffixes(mimeDatase, type);
const QString privateHeaderSuffix = QLatin1String("_p");
const QChar dot = QLatin1Char('.');
// Check base matches 'source.h'-> 'source.cpp' and vice versa
const QStringList::const_iterator scend = suffixes.constEnd();
for (QStringList::const_iterator it = suffixes.constBegin(); it != scend; ++it) {
QString candidate = baseName;
candidate += dot;
candidate += *it;
const QFileInfo candidateFi = findFile(absoluteDir, candidate, project);
if (candidateFi.isFile())
return candidateFi.absoluteFilePath();
}
if (type == HeaderFile) {
// 'source_p.h': try 'source.cpp'
if (baseName.endsWith(privateHeaderSuffix)) {
QString sourceBaseName = baseName;
sourceBaseName.truncate(sourceBaseName.size() - privateHeaderSuffix.size());
for (QStringList::const_iterator it = suffixes.constBegin(); it != scend; ++it) {
QString candidate = sourceBaseName;
candidate += dot;
candidate += *it;
const QFileInfo candidateFi = findFile(absoluteDir, candidate, project);
if (candidateFi.isFile())
return candidateFi.absoluteFilePath();
}
}
} else {
// 'source.cpp': try 'source_p.h'
const QStringList::const_iterator scend = suffixes.constEnd();
for (QStringList::const_iterator it = suffixes.constBegin(); it != scend; ++it) {
QString candidate = baseName;
candidate += privateHeaderSuffix;
candidate += dot;
candidate += *it;
const QFileInfo candidateFi = findFile(absoluteDir, candidate, project);
if (candidateFi.isFile())
return candidateFi.absoluteFilePath();
}
}
return QString();
}
QString CppToolsPlugin::correspondingHeaderOrSource(const QString &fileName) const
{
const QString rc = correspondingHeaderOrSourceI(fileName);
if (debug)
qDebug() << Q_FUNC_INFO << fileName << rc;
return rc;
}
Q_EXPORT_PLUGIN(CppToolsPlugin)
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