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/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2012 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (qt-info@nokia.com)
**
**
** GNU Lesser General Public License Usage
**
** 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.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** Other Usage
**
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**************************************************************************/
#include "cppinsertqtpropertymembers.h"
#include "cppquickfixassistant.h"
#include <AST.h>
#include <Token.h>
#include <cplusplus/Overview.h>
#include <cplusplus/Symbols.h>
#include <cpptools/insertionpointlocator.h>
#include <cpptools/cpprefactoringchanges.h>
#include <cppeditor/cppquickfix.h>
#include <coreplugin/ifile.h>
#include <utils/qtcassert.h>
#include <QtCore/QTextStream>
using namespace CPlusPlus;
using namespace CppTools;
using namespace TextEditor;
using namespace Utils;
using namespace CppEditor;
using namespace CppEditor::Internal;
QList<CppQuickFixOperation::Ptr> InsertQtPropertyMembers::match(
const QSharedPointer<const CppQuickFixAssistInterface> &interface)
{
const QList<AST *> &path = interface->path();
if (path.isEmpty())
return noResult();
AST * const ast = path.last();
QtPropertyDeclarationAST *qtPropertyDeclaration = ast->asQtPropertyDeclaration();
if (!qtPropertyDeclaration)
return noResult();
ClassSpecifierAST *klass = 0;
for (int i = path.size() - 2; i >= 0; --i) {
klass = path.at(i)->asClassSpecifier();
if (klass)
break;
}
if (!klass)
return noResult();
CppRefactoringFilePtr file = interface->currentFile();
const QString propertyName = file->textOf(qtPropertyDeclaration->property_name);
QString getterName;
QString setterName;
QString signalName;
int generateFlags = 0;
for (QtPropertyDeclarationItemListAST *it = qtPropertyDeclaration->property_declaration_item_list;
it; it = it->next) {
const char *tokenString = file->tokenAt(it->value->item_name_token).spell();
if (!qstrcmp(tokenString, "READ")) {
getterName = file->textOf(it->value->expression);
generateFlags |= GenerateGetter;
} else if (!qstrcmp(tokenString, "WRITE")) {
setterName = file->textOf(it->value->expression);
generateFlags |= GenerateSetter;
} else if (!qstrcmp(tokenString, "NOTIFY")) {
signalName = file->textOf(it->value->expression);
generateFlags |= GenerateSignal;
}
}
const QString storageName = QLatin1String("m_") + propertyName;
generateFlags |= GenerateStorage;
Class *c = klass->symbol;
Overview overview;
for (unsigned i = 0; i < c->memberCount(); ++i) {
Symbol *member = c->memberAt(i);
FullySpecifiedType type = member->type();
if (member->asFunction() || (type.isValid() && type->asFunctionType())) {
const QString name = overview(member->name());
if (name == getterName) {
generateFlags &= ~GenerateGetter;
} else if (name == setterName) {
generateFlags &= ~GenerateSetter;
} else if (name == signalName) {
generateFlags &= ~GenerateSignal;
}
} else if (member->asDeclaration()) {
const QString name = overview(member->name());
if (name == storageName)
generateFlags &= ~GenerateStorage;
}
}
if (getterName.isEmpty() && setterName.isEmpty() && signalName.isEmpty())
return noResult();
return singleResult(new Operation(interface, path.size() - 1, qtPropertyDeclaration, c,
generateFlags,
getterName, setterName, signalName, storageName));
}
InsertQtPropertyMembers::Operation::Operation(
const QSharedPointer<const CppQuickFixAssistInterface> &interface,
int priority, QtPropertyDeclarationAST *declaration, Class *klass,
int generateFlags, const QString &getterName, const QString &setterName, const QString &signalName,
const QString &storageName)
: CppQuickFixOperation(interface, priority)
, m_declaration(declaration)
, m_class(klass)
, m_generateFlags(generateFlags)
, m_getterName(getterName)
, m_setterName(setterName)
, m_signalName(signalName)
, m_storageName(storageName)
{
QString desc = InsertQtPropertyMembers::tr("Generate missing Q_PROPERTY members...");
setDescription(desc);
}
void InsertQtPropertyMembers::Operation::performChanges(const CppRefactoringFilePtr &file,
const CppRefactoringChanges &refactoring)
{
InsertionPointLocator locator(refactoring);
Utils::ChangeSet declarations;
const QString typeName = file->textOf(m_declaration->type_id);
const QString propertyName = file->textOf(m_declaration->property_name);
// getter declaration
if (m_generateFlags & GenerateGetter) {
// const QString getterDeclaration = QString("%1 %2() const;").arg(typeName, getterName);
const QString getterDeclaration = typeName + QLatin1Char(' ') + m_getterName +
QLatin1String("() const\n{\nreturn ") + m_storageName + QLatin1String(";\n}\n");
InsertionLocation getterLoc = locator.methodDeclarationInClass(file->fileName(), m_class, InsertionPointLocator::Public);
QTC_ASSERT(getterLoc.isValid(), return);
insertAndIndent(file, &declarations, getterLoc, getterDeclaration);
}
// setter declaration
if (m_generateFlags & GenerateSetter) {
// const QString setterDeclaration = QString("void %1(%2 arg);").arg(setterName, typeName);
QString setterDeclaration;
QTextStream setter(&setterDeclaration);
setter << "void " << m_setterName << '(' << typeName << " arg)\n{\n";
if (m_signalName.isEmpty()) {
setter << m_storageName << " = arg;\n}\n";
} else {
setter << "if (" << m_storageName << " != arg) {\n" << m_storageName
<< " = arg;\nemit " << m_signalName << "(arg);\n}\n}\n";
}
InsertionLocation setterLoc = locator.methodDeclarationInClass(file->fileName(), m_class, InsertionPointLocator::PublicSlot);
QTC_ASSERT(setterLoc.isValid(), return);
insertAndIndent(file, &declarations, setterLoc, setterDeclaration);
}
// signal declaration
if (m_generateFlags & GenerateSignal) {
const QString declaration = QLatin1String("void ") + m_signalName + QLatin1Char('(')
+ typeName + QLatin1String(" arg);\n");
InsertionLocation loc = locator.methodDeclarationInClass(file->fileName(), m_class, InsertionPointLocator::Signals);
QTC_ASSERT(loc.isValid(), return);
insertAndIndent(file, &declarations, loc, declaration);
}
// storage
if (m_generateFlags & GenerateStorage) {
const QString storageDeclaration = typeName + QLatin1String(" m_")
+ propertyName + QLatin1String(";\n");
InsertionLocation storageLoc = locator.methodDeclarationInClass(file->fileName(), m_class, InsertionPointLocator::Private);
QTC_ASSERT(storageLoc.isValid(), return);
insertAndIndent(file, &declarations, storageLoc, storageDeclaration);
}
file->setChangeSet(declarations);
file->apply();
}
void InsertQtPropertyMembers::Operation::insertAndIndent(const RefactoringFilePtr &file, ChangeSet *changeSet, const InsertionLocation &loc, const QString &text)
{
int targetPosition1 = file->position(loc.line(), loc.column());
int targetPosition2 = qMax(0, file->position(loc.line(), 1) - 1);
changeSet->insert(targetPosition1, loc.prefix() + text + loc.suffix());
file->appendIndentRange(Utils::ChangeSet::Range(targetPosition2, targetPosition1));
}
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