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/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** 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 Digia. For licensing terms and
** conditions see http://www.qt.io/licensing. For further information
** use the contact form at http://www.qt.io/contact-us.
**
** 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 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
****************************************************************************/
#include "changeimportsvisitor.h"
#include <qmljs/parser/qmljsast_p.h>
using namespace QmlJS;
using namespace QmlJS::AST;
using namespace QmlDesigner;
using namespace QmlDesigner::Internal;
ChangeImportsVisitor::ChangeImportsVisitor(TextModifier &textModifier,
const QString &source):
QMLRewriter(textModifier), m_source(source)
{}
bool ChangeImportsVisitor::add(QmlJS::AST::UiProgram *ast, const Import &import)
{
setDidRewriting(false);
if (!ast)
return false;
if (ast->headers && ast->headers->headerItem) {
int insertionPoint = 0;
if (ast->members && ast->members->member)
insertionPoint = ast->members->member->firstSourceLocation().begin();
else
insertionPoint = m_source.length();
while (insertionPoint > 0) {
--insertionPoint;
const QChar c = m_source.at(insertionPoint);
if (!c.isSpace() && c != QLatin1Char(';'))
break;
}
replace(insertionPoint+1, 0, QStringLiteral("\n") + import.toImportString());
} else {
replace(0, 0, import.toImportString() + QStringLiteral("\n\n"));
}
setDidRewriting(true);
return true;
}
bool ChangeImportsVisitor::remove(QmlJS::AST::UiProgram *ast, const Import &import)
{
setDidRewriting(false);
if (!ast)
return false;
for (UiHeaderItemList *iter = ast->headers; iter; iter = iter->next) {
UiImport *iterImport = AST::cast<UiImport *>(iter->headerItem);
if (equals(iterImport, import)) {
int start = iterImport->firstSourceLocation().begin();
int end = iterImport->lastSourceLocation().end();
includeSurroundingWhitespace(start, end);
replace(start, end - start, QString());
setDidRewriting(true);
}
}
return didRewriting();
}
bool ChangeImportsVisitor::equals(QmlJS::AST::UiImport *ast, const Import &import)
{
if (import.isLibraryImport())
return toString(ast->importUri) == import.url();
else if (import.isFileImport())
return ast->fileName == import.file();
else
return false;
}
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