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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
****************************************************************************/
#include "removepropertyvisitor.h"
#include <qmljs/parser/qmljsast_p.h>
using namespace QmlDesigner::Internal;
RemovePropertyVisitor::RemovePropertyVisitor(QmlDesigner::TextModifier &modifier,
quint32 parentLocation,
const QString &propertyName):
QMLRewriter(modifier),
parentLocation(parentLocation),
propertyName(propertyName)
{
}
bool RemovePropertyVisitor::visit(QmlJS::AST::UiObjectBinding *ast)
{
if (ast->firstSourceLocation().offset == parentLocation) {
//this condition is wrong for the UiObjectBinding case, but we keep it
//since we are paranoid until the release is done.
// FIXME: change this to use the QmlJS::Rewriter class
removeFrom(ast->initializer);
}
if (ast->qualifiedTypeNameId && ast->qualifiedTypeNameId->identifierToken.offset == parentLocation) {
// FIXME: change this to use the QmlJS::Rewriter class
removeFrom(ast->initializer);
}
return !didRewriting();
}
bool RemovePropertyVisitor::visit(QmlJS::AST::UiObjectDefinition *ast)
{
if (ast->firstSourceLocation().offset == parentLocation) {
// FIXME: change this to use the QmlJS::Rewriter class
removeFrom(ast->initializer);
}
return !didRewriting();
}
// FIXME: duplicate code in the QmlJS::Rewriter class, remove this
void RemovePropertyVisitor::removeFrom(QmlJS::AST::UiObjectInitializer *ast)
{
QString prefix;
int dotIdx = propertyName.indexOf(QLatin1Char('.'));
if (dotIdx != -1)
prefix = propertyName.left(dotIdx);
for (QmlJS::AST::UiObjectMemberList *it = ast->members; it; it = it->next) {
QmlJS::AST::UiObjectMember *member = it->member;
// run full name match (for ungrouped properties):
if (memberNameMatchesPropertyName(propertyName, member)) {
removeMember(member);
// check for grouped properties:
} else if (!prefix.isEmpty()) {
if (auto def = QmlJS::AST::cast<QmlJS::AST::UiObjectDefinition *>(member)) {
if (toString(def->qualifiedTypeNameId) == prefix)
removeGroupedProperty(def);
}
}
}
}
// FIXME: duplicate code in the QmlJS::Rewriter class, remove this
void RemovePropertyVisitor::removeGroupedProperty(QmlJS::AST::UiObjectDefinition *ast)
{
int dotIdx = propertyName.indexOf(QLatin1Char('.'));
if (dotIdx == -1)
return;
const QString propName = propertyName.mid(dotIdx + 1);
QmlJS::AST::UiObjectMember *wanted = nullptr;
unsigned memberCount = 0;
for (QmlJS::AST::UiObjectMemberList *it = ast->initializer->members; it; it = it->next) {
++memberCount;
QmlJS::AST::UiObjectMember *member = it->member;
if (!wanted && memberNameMatchesPropertyName(propName, member))
wanted = member;
}
if (!wanted)
return;
if (memberCount == 1)
removeMember(ast);
else
removeMember(wanted);
}
// FIXME: duplicate code in the QmlJS::Rewriter class, remove this
void RemovePropertyVisitor::removeMember(QmlJS::AST::UiObjectMember *member)
{
int start = member->firstSourceLocation().offset;
int end = member->lastSourceLocation().end();
includeSurroundingWhitespace(start, end);
replace(start, end - start, QStringLiteral(""));
setDidRewriting(true);
}
// FIXME: duplicate code in the QmlJS::Rewriter class, remove this
bool RemovePropertyVisitor::memberNameMatchesPropertyName(const QString &propertyName, QmlJS::AST::UiObjectMember *ast)
{
if (auto publicMember = QmlJS::AST::cast<QmlJS::AST::UiPublicMember*>(ast))
return publicMember->name == propertyName;
else if (auto objectBinding = QmlJS::AST::cast<QmlJS::AST::UiObjectBinding*>(ast))
return toString(objectBinding->qualifiedId) == propertyName;
else if (auto scriptBinding = QmlJS::AST::cast<QmlJS::AST::UiScriptBinding*>(ast))
return toString(scriptBinding->qualifiedId) == propertyName;
else if (auto arrayBinding = QmlJS::AST::cast<QmlJS::AST::UiArrayBinding*>(ast))
return toString(arrayBinding->qualifiedId) == propertyName;
else
return false;
}
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