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/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the tools applications of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** 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.
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QFileInfo>
#include <QStringList>
#include <QtGlobal>
#include "declarativeparser/qdeclarativejsast_p.h"
#include "declarativeparser/qdeclarativejsastfwd_p.h"
#include "declarativeparser/qdeclarativejsengine_p.h"
#include "node.h"
#include "qmlvisitor.h"
QT_BEGIN_NAMESPACE
QmlDocVisitor::QmlDocVisitor(const QString &filePath, const QString &code,
QDeclarativeJS::Engine *engine, Tree *tree, QSet<QString> &commands)
{
this->filePath = filePath;
this->name = QFileInfo(filePath).baseName();
document = code;
this->engine = engine;
this->tree = tree;
this->commands = commands;
current = tree->root();
}
QmlDocVisitor::~QmlDocVisitor()
{
}
QDeclarativeJS::AST::SourceLocation QmlDocVisitor::precedingComment(quint32 offset) const
{
QListIterator<QDeclarativeJS::AST::SourceLocation> it(engine->comments());
it.toBack();
while (it.hasPrevious()) {
QDeclarativeJS::AST::SourceLocation loc = it.previous();
if (loc.begin() <= lastEndOffset)
// Return if we reach the end of the preceding structure.
break;
else if (usedComments.contains(loc.begin()))
// Return if we encounter a previously used comment.
break;
else if (loc.begin() > lastEndOffset && loc.end() < offset) {
// Only examine multiline comments in order to avoid snippet markers.
if (document.mid(loc.offset - 1, 1) == "*") {
QString comment = document.mid(loc.offset, loc.length);
if (comment.startsWith("!") || comment.startsWith("*"))
return loc;
}
}
}
return QDeclarativeJS::AST::SourceLocation();
}
void QmlDocVisitor::applyDocumentation(QDeclarativeJS::AST::SourceLocation location,
Node *node)
{
QDeclarativeJS::AST::SourceLocation loc = precedingComment(location.begin());
if (loc.isValid()) {
QString source = document.mid(loc.offset, loc.length);
Location start(filePath);
start.setLineNo(loc.startLine);
start.setColumnNo(loc.startColumn);
Location finish(filePath);
finish.setLineNo(loc.startLine);
finish.setColumnNo(loc.startColumn);
Doc doc(start, finish, source.mid(1), commands);
node->setDoc(doc);
usedComments.insert(loc.offset);
}
}
/*!
Visits element definitions, recording them in a tree structure.
*/
bool QmlDocVisitor::visit(QDeclarativeJS::AST::UiObjectDefinition *definition)
{
QString type = definition->qualifiedTypeNameId->name->asString();
if (current->type() == Node::Namespace) {
QmlClassNode *component = new QmlClassNode(current, name, 0);
component->setTitle(QLatin1String("QML ") + name + QLatin1String(" Component"));
QmlClassNode::addInheritedBy(type, component);
component->setLink(Node::InheritsLink, type, type);
applyDocumentation(definition->firstSourceLocation(), component);
current = component;
}
return true;
}
void QmlDocVisitor::endVisit(QDeclarativeJS::AST::UiObjectDefinition *definition)
{
lastEndOffset = definition->lastSourceLocation().end();
}
bool QmlDocVisitor::visit(QDeclarativeJS::AST::UiImportList *imports)
{
// Note that the imports list can be traversed by iteration to obtain
// all the imports in the document at once, having found just one:
// *it = imports; it; it = it->next
QString module = document.mid(imports->import->fileNameToken.offset,
imports->import->fileNameToken.length);
QString version = document.mid(imports->import->versionToken.offset,
imports->import->versionToken.length);
importList.append(QPair<QString, QString>(module, version));
return true;
}
void QmlDocVisitor::endVisit(QDeclarativeJS::AST::UiImportList *definition)
{
lastEndOffset = definition->lastSourceLocation().end();
}
/*!
Visits public member declarations, such as signals and properties.
These only include custom signals and properties.
*/
bool QmlDocVisitor::visit(QDeclarativeJS::AST::UiPublicMember *member)
{
switch (member->type) {
case QDeclarativeJS::AST::UiPublicMember::Signal:
{
if (current->type() == Node::Fake) {
QmlClassNode *qmlClass = static_cast<QmlClassNode *>(current);
if (qmlClass) {
QString name = member->name->asString();
FunctionNode *qmlSignal = new FunctionNode(Node::QmlSignal, current, name, false);
QList<Parameter> parameters;
for (QDeclarativeJS::AST::UiParameterList *it = member->parameters; it; it = it->next) {
if (it->type && it->name)
parameters.append(Parameter(it->type->asString(), "", it->name->asString()));
}
qmlSignal->setParameters(parameters);
applyDocumentation(member->firstSourceLocation(), qmlSignal);
}
}
break;
}
case QDeclarativeJS::AST::UiPublicMember::Property:
{
QString type = member->memberType->asString();
QString name = member->name->asString();
if (current->type() == Node::Fake) {
QmlClassNode *qmlClass = static_cast<QmlClassNode *>(current);
if (qmlClass) {
QString name = member->name->asString();
QmlPropGroupNode *qmlPropGroup = new QmlPropGroupNode(qmlClass, name, false);
if (member->isDefaultMember)
qmlPropGroup->setDefault();
QmlPropertyNode *qmlPropNode = new QmlPropertyNode(qmlPropGroup, name, type, false);
qmlPropNode->setWritable(!member->isReadonlyMember);
applyDocumentation(member->firstSourceLocation(), qmlPropGroup);
}
}
break;
}
default:
return false;
}
return true;
}
void QmlDocVisitor::endVisit(QDeclarativeJS::AST::UiPublicMember *definition)
{
lastEndOffset = definition->lastSourceLocation().end();
}
bool QmlDocVisitor::visit(QDeclarativeJS::AST::IdentifierPropertyName *idproperty)
{
return true;
}
QT_END_NAMESPACE
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