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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 "abstractproperty.h"
#include "bindingproperty.h"
#include "filemanager/firstdefinitionfinder.h"
#include "filemanager/objectlengthcalculator.h"
#include "filemanager/qmlrefactoring.h"
#include "rewriteaction.h"
#include "nodeproperty.h"
#include "propertyparser.h"
#include "textmodifier.h"
#include "texttomodelmerger.h"
#include "rewriterview.h"
#include "variantproperty.h"
#include <qmljs/qmljsevaluate.h>
#include <qmljs/qmljsinterpreter.h>
#include <qmljs/qmljslink.h>
#include <qmljs/qmljsscopebuilder.h>
#include <qmljs/parser/qmljsast_p.h>
#include <QtDeclarative/QDeclarativeComponent>
#include <QtDeclarative/QDeclarativeEngine>
#include <QtCore/QSet>
#include <QtGui/QMessageBox>
using namespace QmlJS;
using namespace QmlJS::AST;
namespace {
static inline QString stripQuotes(const QString &str)
{
if ((str.startsWith(QLatin1Char('"')) && str.endsWith(QLatin1Char('"')))
|| (str.startsWith(QLatin1Char('\'')) && str.endsWith(QLatin1Char('\''))))
return str.mid(1, str.length() - 2);
return str;
}
static inline QString deEscape(const QString &value)
{
QString result = value;
result.replace(QLatin1String("\\\\"), QLatin1String("\\"));
result.replace(QLatin1String("\\\""), QLatin1String("\""));
result.replace(QLatin1String("\\\t"), QLatin1String("\t"));
result.replace(QLatin1String("\\\r"), QLatin1String("\\\r"));
result.replace(QLatin1String("\\\n"), QLatin1String("\n"));
return result;
}
static inline bool isSignalPropertyName(const QString &signalName)
{
// see QmlCompiler::isSignalPropertyName
return signalName.length() >= 3 && signalName.startsWith(QLatin1String("on")) &&
signalName.at(2).isLetter();
}
static inline QVariant cleverConvert(const QString &value)
{
if (value == "true")
return QVariant(true);
if (value == "false")
return QVariant(false);
bool flag;
int i = value.toInt(&flag);
if (flag)
return QVariant(i);
double d = value.toDouble(&flag);
if (flag)
return QVariant(d);
return QVariant(value);
}
static QString flatten(UiQualifiedId *qualifiedId)
{
QString result;
for (UiQualifiedId *iter = qualifiedId; iter; iter = iter->next) {
if (!iter->name)
continue;
if (!result.isEmpty())
result.append(QLatin1Char('.'));
result.append(iter->name->asString());
}
return result;
}
static bool isLiteralValue(ExpressionNode *expr)
{
if (cast<NumericLiteral*>(expr))
return true;
else if (cast<StringLiteral*>(expr))
return true;
else if (UnaryPlusExpression *plusExpr = cast<UnaryPlusExpression*>(expr))
return isLiteralValue(plusExpr->expression);
else if (UnaryMinusExpression *minusExpr = cast<UnaryMinusExpression*>(expr))
return isLiteralValue(minusExpr->expression);
else if (cast<TrueLiteral*>(expr))
return true;
else if (cast<FalseLiteral*>(expr))
return true;
else
return false;
}
static inline bool isLiteralValue(UiScriptBinding *script)
{
if (!script || !script->statement)
return false;
ExpressionStatement *exprStmt = cast<ExpressionStatement *>(script->statement);
if (exprStmt)
return isLiteralValue(exprStmt->expression);
else
return false;
}
static inline int propertyType(const QString &typeName)
{
if (typeName == QLatin1String("bool"))
return QMetaType::type("bool");
else if (typeName == QLatin1String("color"))
return QMetaType::type("QColor");
else if (typeName == QLatin1String("date"))
return QMetaType::type("QDate");
else if (typeName == QLatin1String("int"))
return QMetaType::type("int");
else if (typeName == QLatin1String("real"))
return QMetaType::type("double");
else if (typeName == QLatin1String("double"))
return QMetaType::type("double");
else if (typeName == QLatin1String("string"))
return QMetaType::type("QString");
else if (typeName == QLatin1String("url"))
return QMetaType::type("QUrl");
else if (typeName == QLatin1String("var") || typeName == QLatin1String("variant"))
return QMetaType::type("QVariant");
else
return -1;
}
static inline QVariant convertDynamicPropertyValueToVariant(const QString &astValue,
const QString &astType)
{
const QString cleanedValue = deEscape(stripQuotes(astValue.trimmed()));
if (astType.isEmpty())
return QString();
const int type = propertyType(astType);
if (type == QMetaType::type("QVariant")) {
if (cleanedValue.isNull()) // Explicitly isNull, NOT isEmpty!
return QVariant(static_cast<QVariant::Type>(type));
else
return QVariant(cleanedValue);
} else {
QVariant value = QVariant(cleanedValue);
value.convert(static_cast<QVariant::Type>(type));
return value;
}
}
} // anonymous namespace
namespace QmlDesigner {
namespace Internal {
class ReadingContext
{
public:
ReadingContext(const Snapshot &snapshot, const Document::Ptr &doc,
const QStringList importPaths)
: m_snapshot(snapshot)
, m_doc(doc)
, m_context(new Interpreter::Context)
, m_link(m_context, doc, snapshot, importPaths)
, m_scopeBuilder(m_context, doc, snapshot)
{
}
~ReadingContext()
{ delete m_context; }
Document::Ptr doc() const
{ return m_doc; }
void enterScope(Node *node)
{ m_scopeBuilder.push(node); }
void leaveScope()
{ m_scopeBuilder.pop(); }
void lookup(UiQualifiedId *astTypeNode, QString &typeName, int &majorVersion,
int &minorVersion, QString &defaultPropertyName)
{
const Interpreter::ObjectValue *value = m_context->lookupType(m_doc.data(), astTypeNode);
defaultPropertyName = m_context->defaultPropertyName(value);
const Interpreter::QmlObjectValue * qmlValue = dynamic_cast<const Interpreter::QmlObjectValue *>(value);
if (qmlValue) {
typeName = qmlValue->packageName() + QLatin1String("/") + qmlValue->className();
majorVersion = qmlValue->version().major();
minorVersion = qmlValue->version().minor();
} else {
for (UiQualifiedId *iter = astTypeNode; iter; iter = iter->next)
if (!iter->next && iter->name)
typeName = iter->name->asString();
majorVersion = ComponentVersion::NoVersion;
minorVersion = ComponentVersion::NoVersion;
}
}
/// When something is changed here, also change Check::checkScopeObjectMember in
/// qmljscheck.cpp
/// ### Maybe put this into the context as a helper method.
bool lookupProperty(const QString &prefix, const UiQualifiedId *id, const Interpreter::Value **property = 0, const Interpreter::ObjectValue **parentObject = 0, QString *name = 0)
{
QList<const Interpreter::ObjectValue *> scopeObjects = m_context->scopeChain().qmlScopeObjects;
if (scopeObjects.isEmpty())
return false;
if (! id)
return false; // ### error?
if (! id->name) // possible after error recovery
return false;
QString propertyName;
if (prefix.isEmpty())
propertyName = id->name->asString();
else
propertyName = prefix;
if (name)
*name = propertyName;
if (propertyName == QLatin1String("id") && ! id->next)
return false; // ### should probably be a special value
// attached properties
bool isAttachedProperty = false;
if (! propertyName.isEmpty() && propertyName[0].isUpper()) {
isAttachedProperty = true;
if (const Interpreter::ObjectValue *qmlTypes = m_context->scopeChain().qmlTypes)
scopeObjects += qmlTypes;
}
if (scopeObjects.isEmpty())
return false;
// global lookup for first part of id
const Interpreter::ObjectValue *objectValue = 0;
const Interpreter::Value *value = 0;
for (int i = scopeObjects.size() - 1; i >= 0; --i) {
objectValue = scopeObjects[i];
value = objectValue->lookupMember(propertyName, m_context);
if (value)
break;
}
if (parentObject)
*parentObject = objectValue;
if (!value) {
qWarning() << "Skipping invalid property name" << propertyName;
return false;
}
// can't look up members for attached properties
if (isAttachedProperty)
return false;
// member lookup
const UiQualifiedId *idPart = id;
if (prefix.isEmpty())
idPart = idPart->next;
for (; idPart; idPart = idPart->next) {
objectValue = Interpreter::value_cast<const Interpreter::ObjectValue *>(value);
if (! objectValue) {
// if (idPart->name)
// qDebug() << idPart->name->asString() << "has no property named"
// << propertyName;
return false;
}
if (parentObject)
*parentObject = objectValue;
if (! idPart->name) {
// somebody typed "id." and error recovery still gave us a valid tree,
// so just bail out here.
return false;
}
propertyName = idPart->name->asString();
if (name)
*name = propertyName;
value = objectValue->lookupMember(propertyName, m_context);
if (! value) {
// if (idPart->name)
// qDebug() << "In" << idPart->name->asString() << ":"
// << objectValue->className() << "has no property named"
// << propertyName;
return false;
}
}
if (property)
*property = value;
return true;
}
bool isArrayProperty(const Interpreter::Value *value, const Interpreter::ObjectValue *containingObject, const QString &name)
{
if (!value)
return false;
const Interpreter::ObjectValue *objectValue = value->asObjectValue();
if (objectValue && objectValue->prototype(m_context) == m_context->engine()->arrayPrototype())
return true;
for (const Interpreter::ObjectValue *iter = containingObject; iter; iter = iter->prototype(m_context)) {
if (iter->property(name, m_context) == m_context->engine()->arrayPrototype())
return true;
if (const Interpreter::QmlObjectValue *qmlIter = dynamic_cast<const Interpreter::QmlObjectValue *>(iter)) {
if (qmlIter->isListProperty(name))
return true;
}
}
return false;
}
QVariant convertToVariant(const QString &astValue, const QString &propertyPrefix, UiQualifiedId *propertyId)
{
const bool hasQuotes = astValue.trimmed().left(1) == QLatin1String("\"") && astValue.trimmed().right(1) == QLatin1String("\"");
const QString cleanedValue = deEscape(stripQuotes(astValue.trimmed()));
const Interpreter::Value *property = 0;
const Interpreter::ObjectValue *containingObject = 0;
QString name;
if (!lookupProperty(propertyPrefix, propertyId, &property, &containingObject, &name)) {
qWarning() << "Unknown property" << propertyPrefix + QLatin1Char('.') + flatten(propertyId)
<< "on line" << propertyId->identifierToken.startLine
<< "column" << propertyId->identifierToken.startColumn;
return hasQuotes ? QVariant(cleanedValue) : cleverConvert(cleanedValue);
}
for (const Interpreter::ObjectValue *iter = containingObject; iter; iter = iter->prototype(m_context)) {
if (iter->lookupMember(name, m_context, false)) {
containingObject = iter;
break;
}
}
if (const Interpreter::QmlObjectValue * qmlObject = dynamic_cast<const Interpreter::QmlObjectValue *>(containingObject)) {
const QString typeName = qmlObject->propertyType(name);
if (qmlObject->isEnum(typeName)) {
return QVariant(cleanedValue);
} else {
int type = QMetaType::type(typeName.toUtf8().constData());
QVariant result;
if (type)
result = PropertyParser::read(type, cleanedValue);
if (result.isValid())
return result;
}
}
QVariant v(cleanedValue);
if (property->asBooleanValue()) {
v.convert(QVariant::Bool);
} else if (property->asColorValue()) {
v.convert(QVariant::Color);
} else if (property->asNumberValue()) {
v.convert(QVariant::Double);
} else if (property->asStringValue()) {
// nothing to do
} else { //property alias et al
if (!hasQuotes)
return cleverConvert(cleanedValue);
}
return v;
}
QVariant convertToEnum(Statement *rhs, const QString &propertyPrefix, UiQualifiedId *propertyId)
{
ExpressionStatement *eStmt = cast<ExpressionStatement *>(rhs);
if (!eStmt || !eStmt->expression)
return QVariant();
const Interpreter::ObjectValue *containingObject = 0;
QString name;
if (!lookupProperty(propertyPrefix, propertyId, 0, &containingObject, &name)) {
return QVariant();
}
for (const Interpreter::ObjectValue *iter = containingObject; iter; iter = iter->prototype(m_context)) {
if (iter->lookupMember(name, m_context, false)) {
containingObject = iter;
break;
}
}
const Interpreter::QmlObjectValue * lhsQmlObject = dynamic_cast<const Interpreter::QmlObjectValue *>(containingObject);
if (!lhsQmlObject)
return QVariant();
const QString lhsPropertyTypeName = lhsQmlObject->propertyType(name);
const Interpreter::ObjectValue *rhsValueObject = 0;
QString rhsValueName;
if (IdentifierExpression *idExp = cast<IdentifierExpression *>(eStmt->expression)) {
if (!m_context->scopeChain().qmlScopeObjects.isEmpty())
rhsValueObject = m_context->scopeChain().qmlScopeObjects.last();
if (idExp->name)
rhsValueName = idExp->name->asString();
} else if (FieldMemberExpression *memberExp = cast<FieldMemberExpression *>(eStmt->expression)) {
Evaluate evaluate(m_context);
const Interpreter::Value *result = evaluate(memberExp->base);
rhsValueObject = result->asObjectValue();
if (memberExp->name)
rhsValueName = memberExp->name->asString();
}
if (!rhsValueObject)
return QVariant();
for (const Interpreter::ObjectValue *iter = rhsValueObject; iter; iter = iter->prototype(m_context)) {
if (iter->lookupMember(rhsValueName, m_context, false)) {
rhsValueObject = iter;
break;
}
}
const Interpreter::QmlObjectValue *rhsQmlObjectValue = dynamic_cast<const Interpreter::QmlObjectValue *>(rhsValueObject);
if (!rhsQmlObjectValue)
return QVariant();
if (rhsQmlObjectValue->enumContainsKey(lhsPropertyTypeName, rhsValueName))
return QVariant(rhsValueName);
else
return QVariant();
}
private:
Snapshot m_snapshot;
Document::Ptr m_doc;
Interpreter::Context *m_context;
Link m_link;
ScopeBuilder m_scopeBuilder;
};
} // namespace Internal
} // namespace QmlDesigner
using namespace QmlDesigner;
using namespace QmlDesigner::Internal;
static inline bool equals(const QVariant &a, const QVariant &b)
{
if (a.type() == QVariant::Double && b.type() == QVariant::Double)
return qFuzzyCompare(a.toDouble(), b.toDouble());
else
return a == b;
}
TextToModelMerger::TextToModelMerger(RewriterView *reWriterView):
m_rewriterView(reWriterView),
m_isActive(false)
{
Q_ASSERT(reWriterView);
}
void TextToModelMerger::setActive(bool active)
{
m_isActive = active;
}
bool TextToModelMerger::isActive() const
{
return m_isActive;
}
void TextToModelMerger::setupImports(const Document::Ptr &doc,
DifferenceHandler &differenceHandler)
{
QList<Import> existingImports = m_rewriterView->model()->imports();
for (UiImportList *iter = doc->qmlProgram()->imports; iter; iter = iter->next) {
UiImport *import = iter->import;
if (!import)
continue;
QString version;
if (import->versionToken.isValid())
version = textAt(doc, import->versionToken);
QString as;
if (import->importId)
as = import->importId->asString();
if (import->fileName) {
const QString strippedFileName = stripQuotes(import->fileName->asString());
const Import newImport = Import::createFileImport(strippedFileName,
version, as);
if (!existingImports.removeOne(newImport))
differenceHandler.modelMissesImport(newImport);
} else {
const Import newImport =
Import::createLibraryImport(flatten(import->importUri), version, as);
if (!existingImports.removeOne(newImport))
differenceHandler.modelMissesImport(newImport);
}
}
foreach (const Import &import, existingImports)
differenceHandler.importAbsentInQMl(import);
}
bool TextToModelMerger::load(const QString &data, DifferenceHandler &differenceHandler)
{
// qDebug() << "TextToModelMerger::load with data:" << data;
const QUrl url = m_rewriterView->model()->fileUrl();
const QStringList importPaths = m_rewriterView->textModifier()->importPaths();
setActive(true);
{ // Have the QML engine check if the document is valid:
QDeclarativeEngine engine;
engine.setOutputWarningsToStandardError(false);
foreach (const QString &importPath, importPaths)
engine.addImportPath(importPath);
QDeclarativeComponent comp(&engine);
comp.setData(data.toUtf8(), url);
if (comp.status() == QDeclarativeComponent::Error) {
QList<RewriterView::Error> errors;
foreach (const QDeclarativeError &error, comp.errors())
errors.append(RewriterView::Error(error));
m_rewriterView->setErrors(errors);
setActive(false);
return false;
} else if (comp.status() == QDeclarativeComponent::Loading) {
// Probably loading remote components. Previous DOM behaviour was:
QList<RewriterView::Error> errors;
errors.append(RewriterView::Error());
m_rewriterView->setErrors(errors);
setActive(false);
return false;
}
}
try {
Snapshot snapshot = m_rewriterView->textModifier()->getSnapshot();
const QString fileName = url.toLocalFile();
Document::Ptr doc = Document::create(fileName.isEmpty() ? QLatin1String("<internal>") : fileName);
doc->setSource(data);
doc->parseQml();
snapshot.insert(doc);
ReadingContext ctxt(snapshot, doc, importPaths);
setupImports(doc, differenceHandler);
foreach (const Import &import, m_rewriterView->model()->imports()) {
if (import.url() == "Qt") {
if (QMessageBox::question (0, QObject::tr("Deprecated import: import Qt 4.7", "QmlDesigner::TextToModelMerger"),
QObject::tr("Deprecated import: import Qt 4.7\nuse import QtQuick 1.0 instead.\n\nDo you want to automatically fix the import?",
"QmlDesigner::TextToModelMerger"),
QMessageBox::Ok | QMessageBox::Cancel, QMessageBox::Ok) == QMessageBox::Ok) {
QmlDesigner::QmlRefactoring refactoring(doc, *m_rewriterView->textModifier(), QStringList());
RemoveImportRewriteAction removeImportRewriteAction(import);
m_rewriterView->textModifier()->startGroup();
Import qtQuickImport = Import::createLibraryImport("QtQuick", "1.0");
AddImportRewriteAction addImportRewriteAction(qtQuickImport);
bool success = addImportRewriteAction.execute(refactoring, *m_rewriterView->positionStorage());
if (success) {
success = refactoring.reparseDocument();
}
success = removeImportRewriteAction.execute(refactoring, *m_rewriterView->positionStorage());
m_rewriterView->textModifier()->commitGroup();
return false;
} else {
QList<RewriterView::Error> errors;
RewriterView::Error error(QObject::tr("Deprecated import: import Qt 4.7 use import QtQuick 1.0 instead",
"QmlDesigner::TextToModelMerger"));
errors.append(error);
m_rewriterView->setErrors(errors);
return false;
}
}
}
UiObjectMember *astRootNode = 0;
if (UiProgram *program = doc->qmlProgram())
if (program->members)
astRootNode = program->members->member;
ModelNode modelRootNode = m_rewriterView->rootModelNode();
syncNode(modelRootNode, astRootNode, &ctxt, differenceHandler);
m_rewriterView->positionStorage()->cleanupInvalidOffsets();
m_rewriterView->clearErrors();
setActive(false);
return true;
} catch (Exception &e) {
RewriterView::Error error(&e);
// Somehow, the error below gets eaten in upper levels, so printing the
// exception info here for debugging purposes:
qDebug() << "*** An exception occurred while reading the QML file:"
<< error.toString();
m_rewriterView->addError(error);
setActive(false);
return false;
}
}
void TextToModelMerger::syncNode(ModelNode &modelNode,
UiObjectMember *astNode,
ReadingContext *context,
DifferenceHandler &differenceHandler)
{
UiQualifiedId *astObjectType = 0;
UiObjectInitializer *astInitializer = 0;
if (UiObjectDefinition *def = cast<UiObjectDefinition *>(astNode)) {
astObjectType = def->qualifiedTypeNameId;
astInitializer = def->initializer;
} else if (UiObjectBinding *bin = cast<UiObjectBinding *>(astNode)) {
astObjectType = bin->qualifiedTypeNameId;
astInitializer = bin->initializer;
}
if (!astObjectType || !astInitializer)
return;
m_rewriterView->positionStorage()->setNodeOffset(modelNode, astObjectType->identifierToken.offset);
QString typeName, defaultPropertyName;
int majorVersion;
int minorVersion;
context->lookup(astObjectType, typeName, majorVersion, minorVersion, defaultPropertyName);
if (typeName.isEmpty()) {
qWarning() << "Skipping node with unknown type" << flatten(astObjectType);
return;
}
if (modelNode.type() != typeName
/*|| modelNode.majorVersion() != domObject.objectTypeMajorVersion()
|| modelNode.minorVersion() != domObject.objectTypeMinorVersion()*/) {
const bool isRootNode = m_rewriterView->rootModelNode() == modelNode;
differenceHandler.typeDiffers(isRootNode, modelNode, typeName,
majorVersion, minorVersion,
astNode, context);
if (!isRootNode)
return; // the difference handler will create a new node, so we're done.
}
context->enterScope(astNode);
QSet<QString> modelPropertyNames = QSet<QString>::fromList(modelNode.propertyNames());
if (!modelNode.id().isEmpty())
modelPropertyNames.insert(QLatin1String("id"));
QList<UiObjectMember *> defaultPropertyItems;
for (UiObjectMemberList *iter = astInitializer->members; iter; iter = iter->next) {
UiObjectMember *member = iter->member;
if (!member)
continue;
if (UiArrayBinding *array = cast<UiArrayBinding *>(member)) {
const QString astPropertyName = flatten(array->qualifiedId);
if (typeName == QLatin1String("QtQuick/PropertyChanges") || context->lookupProperty(QString(), array->qualifiedId)) {
AbstractProperty modelProperty = modelNode.property(astPropertyName);
QList<UiObjectMember *> arrayMembers;
for (UiArrayMemberList *iter = array->members; iter; iter = iter->next)
if (UiObjectMember *member = iter->member)
arrayMembers.append(member);
syncArrayProperty(modelProperty, arrayMembers, context, differenceHandler);
modelPropertyNames.remove(astPropertyName);
} else {
qWarning() << "Skipping invalid array property" << astPropertyName
<< "for node type" << modelNode.type();
}
} else if (UiObjectDefinition *def = cast<UiObjectDefinition *>(member)) {
const QString name = def->qualifiedTypeNameId->name->asString();
if (name.isEmpty() || !name.at(0).isUpper()) {
QStringList props = syncGroupedProperties(modelNode,
name,
def->initializer->members,
context,
differenceHandler);
foreach (const QString &prop, props)
modelPropertyNames.remove(prop);
} else {
defaultPropertyItems.append(member);
}
} else if (UiObjectBinding *binding = cast<UiObjectBinding *>(member)) {
const QString astPropertyName = flatten(binding->qualifiedId);
if (binding->hasOnToken) {
// skip value sources
} else {
const Interpreter::Value *propertyType = 0;
const Interpreter::ObjectValue *containingObject = 0;
QString name;
if (context->lookupProperty(QString(), binding->qualifiedId, &propertyType, &containingObject, &name) || typeName == QLatin1String("QtQuick/PropertyChanges")) {
AbstractProperty modelProperty = modelNode.property(astPropertyName);
if (context->isArrayProperty(propertyType, containingObject, name)) {
syncArrayProperty(modelProperty, QList<QmlJS::AST::UiObjectMember*>() << member, context, differenceHandler);
} else {
syncNodeProperty(modelProperty, binding, context, differenceHandler);
}
modelPropertyNames.remove(astPropertyName);
} else {
qWarning() << "Skipping invalid node property" << astPropertyName
<< "for node type" << modelNode.type();
}
}
} else if (UiScriptBinding *script = cast<UiScriptBinding *>(member)) {
modelPropertyNames.remove(syncScriptBinding(modelNode, QString(), script, context, differenceHandler));
} else if (UiPublicMember *property = cast<UiPublicMember *>(member)) {
if (property->type == UiPublicMember::Signal)
continue; // QML designer doesn't support this yet.
if (!property->name || !property->memberType)
continue; // better safe than sorry.
const QString astName = property->name->asString();
QString astValue;
if (property->expression)
astValue = textAt(context->doc(),
property->expression->firstSourceLocation(),
property->expression->lastSourceLocation());
const QString astType = property->memberType->asString();
AbstractProperty modelProperty = modelNode.property(astName);
if (!property->expression || isLiteralValue(property->expression)) {
const QVariant variantValue = convertDynamicPropertyValueToVariant(astValue, astType);
syncVariantProperty(modelProperty, variantValue, astType, differenceHandler);
} else {
syncExpressionProperty(modelProperty, astValue, differenceHandler);
}
modelPropertyNames.remove(astName);
} else {
qWarning() << "Found an unknown QML value.";
}
}
if (!defaultPropertyItems.isEmpty()) {
if (defaultPropertyName.isEmpty()) {
if (modelNode.type() != QLatin1String("QtQuick/Component"))
qWarning() << "No default property for node type" << modelNode.type() << ", ignoring child items.";
} else {
AbstractProperty modelProperty = modelNode.property(defaultPropertyName);
if (modelProperty.isNodeListProperty()) {
NodeListProperty nodeListProperty = modelProperty.toNodeListProperty();
syncNodeListProperty(nodeListProperty, defaultPropertyItems, context,
differenceHandler);
} else {
differenceHandler.shouldBeNodeListProperty(modelProperty,
defaultPropertyItems,
context);
}
modelPropertyNames.remove(defaultPropertyName);
}
}
foreach (const QString &modelPropertyName, modelPropertyNames) {
AbstractProperty modelProperty = modelNode.property(modelPropertyName);
// property deleted.
if (modelPropertyName == QLatin1String("id"))
differenceHandler.idsDiffer(modelNode, QString());
else
differenceHandler.propertyAbsentFromQml(modelProperty);
}
context->leaveScope();
}
QString TextToModelMerger::syncScriptBinding(ModelNode &modelNode,
const QString &prefix,
UiScriptBinding *script,
ReadingContext *context,
DifferenceHandler &differenceHandler)
{
QString astPropertyName = flatten(script->qualifiedId);
if (!prefix.isEmpty())
astPropertyName.prepend(prefix + QLatin1Char('.'));
QString astValue;
if (script->statement) {
astValue = textAt(context->doc(),
script->statement->firstSourceLocation(),
script->statement->lastSourceLocation());
astValue = astValue.trimmed();
if (astValue.endsWith(QLatin1Char(';')))
astValue = astValue.left(astValue.length() - 1);
astValue = astValue.trimmed();
}
if (astPropertyName == QLatin1String("id")) {
syncNodeId(modelNode, astValue, differenceHandler);
return astPropertyName;
}
if (isSignalPropertyName(astPropertyName))
return QString();
if (isLiteralValue(script)) {
if (modelNode.type() == QLatin1String("QtQuick/PropertyChanges")) {
AbstractProperty modelProperty = modelNode.property(astPropertyName);
const QVariant variantValue(deEscape(stripQuotes(astValue)));
syncVariantProperty(modelProperty, variantValue, QString(), differenceHandler);
return astPropertyName;
} else {
const QVariant variantValue = context->convertToVariant(astValue, prefix, script->qualifiedId);
if (variantValue.isValid()) {
AbstractProperty modelProperty = modelNode.property(astPropertyName);
syncVariantProperty(modelProperty, variantValue, QString(), differenceHandler);
return astPropertyName;
} else {
qWarning() << "Skipping invalid variant property" << astPropertyName
<< "for node type" << modelNode.type();
return QString();
}
}
}
const QVariant enumValue = context->convertToEnum(script->statement, prefix, script->qualifiedId);
if (enumValue.isValid()) { // It is a qualified enum:
AbstractProperty modelProperty = modelNode.property(astPropertyName);
syncVariantProperty(modelProperty, enumValue, QString(), differenceHandler);
return astPropertyName;
} else { // Not an enum, so:
if (modelNode.type() == QLatin1String("QtQuick/PropertyChanges") || context->lookupProperty(prefix, script->qualifiedId)) {
AbstractProperty modelProperty = modelNode.property(astPropertyName);
syncExpressionProperty(modelProperty, astValue, differenceHandler);
return astPropertyName;
} else {
qWarning() << "Skipping invalid expression property" << astPropertyName
<< "for node type" << modelNode.type();
return QString();
}
}
}
void TextToModelMerger::syncNodeId(ModelNode &modelNode, const QString &astObjectId,
DifferenceHandler &differenceHandler)
{
if (astObjectId.isEmpty()) {
if (!modelNode.id().isEmpty()) {
ModelNode existingNodeWithId = m_rewriterView->modelNodeForId(astObjectId);
if (existingNodeWithId.isValid())
existingNodeWithId.setId(QString());
differenceHandler.idsDiffer(modelNode, astObjectId);
}
} else {
if (modelNode.id() != astObjectId) {
ModelNode existingNodeWithId = m_rewriterView->modelNodeForId(astObjectId);
if (existingNodeWithId.isValid())
existingNodeWithId.setId(QString());
differenceHandler.idsDiffer(modelNode, astObjectId);
}
}
}
void TextToModelMerger::syncNodeProperty(AbstractProperty &modelProperty,
UiObjectBinding *binding,
ReadingContext *context,
DifferenceHandler &differenceHandler)
{
QString typeName, dummy;
int majorVersion;
int minorVersion;
context->lookup(binding->qualifiedTypeNameId, typeName, majorVersion, minorVersion, dummy);
if (typeName.isEmpty()) {
qWarning() << "Skipping node with unknown type" << flatten(binding->qualifiedTypeNameId);
return;
}
if (modelProperty.isNodeProperty()) {
ModelNode nodePropertyNode = modelProperty.toNodeProperty().modelNode();
syncNode(nodePropertyNode, binding, context, differenceHandler);
} else {
differenceHandler.shouldBeNodeProperty(modelProperty,
typeName,
majorVersion,
minorVersion,
binding, context);
}
}
void TextToModelMerger::syncExpressionProperty(AbstractProperty &modelProperty,
const QString &javascript,
DifferenceHandler &differenceHandler)
{
if (modelProperty.isBindingProperty()) {
BindingProperty bindingProperty = modelProperty.toBindingProperty();
if (bindingProperty.expression() != javascript) {
differenceHandler.bindingExpressionsDiffer(bindingProperty, javascript);
}
} else {
differenceHandler.shouldBeBindingProperty(modelProperty, javascript);
}
}
void TextToModelMerger::syncArrayProperty(AbstractProperty &modelProperty,
const QList<UiObjectMember *> &arrayMembers,
ReadingContext *context,
DifferenceHandler &differenceHandler)
{
if (modelProperty.isNodeListProperty()) {
NodeListProperty nodeListProperty = modelProperty.toNodeListProperty();
syncNodeListProperty(nodeListProperty, arrayMembers, context, differenceHandler);
} else {
differenceHandler.shouldBeNodeListProperty(modelProperty,
arrayMembers,
context);
}
}
void TextToModelMerger::syncVariantProperty(AbstractProperty &modelProperty,
const QVariant &astValue,
const QString &astType,
DifferenceHandler &differenceHandler)
{
if (modelProperty.isVariantProperty()) {
VariantProperty modelVariantProperty = modelProperty.toVariantProperty();
if (!equals(modelVariantProperty.value(), astValue)
|| !astType.isEmpty() != modelVariantProperty.isDynamic()
|| astType != modelVariantProperty.dynamicTypeName()) {
differenceHandler.variantValuesDiffer(modelVariantProperty,
astValue,
astType);
}
} else {
differenceHandler.shouldBeVariantProperty(modelProperty,
astValue,
astType);
}
}
void TextToModelMerger::syncNodeListProperty(NodeListProperty &modelListProperty,
const QList<UiObjectMember *> arrayMembers,
ReadingContext *context,
DifferenceHandler &differenceHandler)
{
QList<ModelNode> modelNodes = modelListProperty.toModelNodeList();
int i = 0;
for (; i < modelNodes.size() && i < arrayMembers.size(); ++i) {
ModelNode modelNode = modelNodes.at(i);
syncNode(modelNode, arrayMembers.at(i), context, differenceHandler);
}
for (int j = i; j < arrayMembers.size(); ++j) {
// more elements in the dom-list, so add them to the model
UiObjectMember *arrayMember = arrayMembers.at(j);
const ModelNode newNode = differenceHandler.listPropertyMissingModelNode(modelListProperty, context, arrayMember);
QString name;
if (UiObjectDefinition *definition = cast<UiObjectDefinition *>(arrayMember))
name = flatten(definition->qualifiedTypeNameId);
if (name == QLatin1String("QtQuick/Component"))
setupComponent(newNode);
}
for (int j = i; j < modelNodes.size(); ++j) {
// more elements in the model, so remove them.
ModelNode modelNode = modelNodes.at(j);
differenceHandler.modelNodeAbsentFromQml(modelNode);
}
}
ModelNode TextToModelMerger::createModelNode(const QString &typeName,
int majorVersion,
int minorVersion,
UiObjectMember *astNode,
ReadingContext *context,
DifferenceHandler &differenceHandler)
{
ModelNode newNode = m_rewriterView->createModelNode(typeName,
majorVersion,
minorVersion);
syncNode(newNode, astNode, context, differenceHandler);
return newNode;
}
QStringList TextToModelMerger::syncGroupedProperties(ModelNode &modelNode,
const QString &name,
UiObjectMemberList *members,
ReadingContext *context,
DifferenceHandler &differenceHandler)
{
QStringList props;
for (UiObjectMemberList *iter = members; iter; iter = iter->next) {
UiObjectMember *member = iter->member;
if (UiScriptBinding *script = cast<UiScriptBinding *>(member)) {
const QString prop = syncScriptBinding(modelNode, name, script, context, differenceHandler);
if (!prop.isEmpty())
props.append(prop);
}
}
return props;
}
void ModelValidator::modelMissesImport(const Import &import)
{
Q_ASSERT(m_merger->view()->model()->imports().contains(import));
}
void ModelValidator::importAbsentInQMl(const Import &import)
{
Q_ASSERT(! m_merger->view()->model()->imports().contains(import));
}
void ModelValidator::bindingExpressionsDiffer(BindingProperty &modelProperty,
const QString &javascript)
{
Q_ASSERT(modelProperty.expression() == javascript);
Q_ASSERT(0);
}
void ModelValidator::shouldBeBindingProperty(AbstractProperty &modelProperty,
const QString &/*javascript*/)
{
Q_ASSERT(modelProperty.isBindingProperty());
Q_ASSERT(0);
}
void ModelValidator::shouldBeNodeListProperty(AbstractProperty &modelProperty,
const QList<UiObjectMember *> /*arrayMembers*/,
ReadingContext * /*context*/)
{
Q_ASSERT(modelProperty.isNodeListProperty());
Q_ASSERT(0);
}
void ModelValidator::variantValuesDiffer(VariantProperty &modelProperty, const QVariant &qmlVariantValue, const QString &dynamicTypeName)
{
Q_ASSERT(modelProperty.isDynamic() == !dynamicTypeName.isEmpty());
if (modelProperty.isDynamic()) {
Q_ASSERT(modelProperty.dynamicTypeName() == dynamicTypeName);
}
Q_ASSERT(equals(modelProperty.value(), qmlVariantValue));
Q_ASSERT(0);
}
void ModelValidator::shouldBeVariantProperty(AbstractProperty &modelProperty, const QVariant &/*qmlVariantValue*/, const QString &/*dynamicTypeName*/)
{
Q_ASSERT(modelProperty.isVariantProperty());
Q_ASSERT(0);
}
void ModelValidator::shouldBeNodeProperty(AbstractProperty &modelProperty,
const QString &/*typeName*/,
int /*majorVersion*/,
int /*minorVersion*/,
UiObjectMember * /*astNode*/,
ReadingContext * /*context*/)
{
Q_ASSERT(modelProperty.isNodeProperty());
Q_ASSERT(0);
}
void ModelValidator::modelNodeAbsentFromQml(ModelNode &modelNode)
{
Q_ASSERT(!modelNode.isValid());
Q_ASSERT(0);
}
ModelNode ModelValidator::listPropertyMissingModelNode(NodeListProperty &/*modelProperty*/,
ReadingContext * /*context*/,
UiObjectMember * /*arrayMember*/)
{
Q_ASSERT(0);
return ModelNode();
}
void ModelValidator::typeDiffers(bool /*isRootNode*/,
ModelNode &modelNode,
const QString &typeName,
int majorVersion,
int minorVersion,
QmlJS::AST::UiObjectMember * /*astNode*/,
ReadingContext * /*context*/)
{
Q_ASSERT(modelNode.type() == typeName);
Q_ASSERT(modelNode.majorVersion() == majorVersion);
Q_ASSERT(modelNode.minorVersion() == minorVersion);
Q_ASSERT(0);
}
void ModelValidator::propertyAbsentFromQml(AbstractProperty &modelProperty)
{
Q_ASSERT(!modelProperty.isValid());
Q_ASSERT(0);
}
void ModelValidator::idsDiffer(ModelNode &modelNode, const QString &qmlId)
{
Q_ASSERT(modelNode.id() == qmlId);
Q_ASSERT(0);
}
void ModelAmender::modelMissesImport(const Import &import)
{
m_merger->view()->model()->addImport(import);
}
void ModelAmender::importAbsentInQMl(const Import &import)
{
m_merger->view()->model()->removeImport(import);
}
void ModelAmender::bindingExpressionsDiffer(BindingProperty &modelProperty,
const QString &javascript)
{
modelProperty.toBindingProperty().setExpression(javascript);
}
void ModelAmender::shouldBeBindingProperty(AbstractProperty &modelProperty,
const QString &javascript)
{
ModelNode theNode = modelProperty.parentModelNode();
BindingProperty newModelProperty = theNode.bindingProperty(modelProperty.name());
newModelProperty.setExpression(javascript);
}
void ModelAmender::shouldBeNodeListProperty(AbstractProperty &modelProperty,
const QList<UiObjectMember *> arrayMembers,
ReadingContext *context)
{
ModelNode theNode = modelProperty.parentModelNode();
NodeListProperty newNodeListProperty = theNode.nodeListProperty(modelProperty.name());
m_merger->syncNodeListProperty(newNodeListProperty,
arrayMembers,
context,
*this);
}
void ModelAmender::variantValuesDiffer(VariantProperty &modelProperty, const QVariant &qmlVariantValue, const QString &dynamicType)
{
// qDebug()<< "ModelAmender::variantValuesDiffer for property"<<modelProperty.name()
// << "in node" << modelProperty.parentModelNode().id()
// << ", old value:" << modelProperty.value()
// << "new value:" << qmlVariantValue;
if (dynamicType.isEmpty())
modelProperty.setValue(qmlVariantValue);
else
modelProperty.setDynamicTypeNameAndValue(dynamicType, qmlVariantValue);
}
void ModelAmender::shouldBeVariantProperty(AbstractProperty &modelProperty, const QVariant &qmlVariantValue, const QString &dynamicTypeName)
{
ModelNode theNode = modelProperty.parentModelNode();
VariantProperty newModelProperty = theNode.variantProperty(modelProperty.name());
if (dynamicTypeName.isEmpty())
newModelProperty.setValue(qmlVariantValue);
else
newModelProperty.setDynamicTypeNameAndValue(dynamicTypeName, qmlVariantValue);
}
void ModelAmender::shouldBeNodeProperty(AbstractProperty &modelProperty,
const QString &typeName,
int majorVersion,
int minorVersion,
UiObjectMember *astNode,
ReadingContext *context)
{
ModelNode theNode = modelProperty.parentModelNode();
NodeProperty newNodeProperty = theNode.nodeProperty(modelProperty.name());
newNodeProperty.setModelNode(m_merger->createModelNode(typeName,
majorVersion,
minorVersion,
astNode,
context,
*this));
}
void ModelAmender::modelNodeAbsentFromQml(ModelNode &modelNode)
{
modelNode.destroy();
}
ModelNode ModelAmender::listPropertyMissingModelNode(NodeListProperty &modelProperty,
ReadingContext *context,
UiObjectMember *arrayMember)
{
UiQualifiedId *astObjectType = 0;
UiObjectInitializer *astInitializer = 0;
if (UiObjectDefinition *def = cast<UiObjectDefinition *>(arrayMember)) {
astObjectType = def->qualifiedTypeNameId;
astInitializer = def->initializer;
} else if (UiObjectBinding *bin = cast<UiObjectBinding *>(arrayMember)) {
astObjectType = bin->qualifiedTypeNameId;
astInitializer = bin->initializer;
}
if (!astObjectType || !astInitializer)
return ModelNode();
QString typeName, dummy;
int majorVersion;
int minorVersion;
context->lookup(astObjectType, typeName, majorVersion, minorVersion, dummy);
if (typeName.isEmpty()) {
qWarning() << "Skipping node with unknown type" << flatten(astObjectType);
return ModelNode();
}
const ModelNode &newNode = m_merger->createModelNode(typeName,
majorVersion,
minorVersion,
arrayMember,
context,
*this);
modelProperty.reparentHere(newNode);
return newNode;
}
void ModelAmender::typeDiffers(bool isRootNode,
ModelNode &modelNode,
const QString &typeName,
int majorVersion,
int minorVersion,
QmlJS::AST::UiObjectMember *astNode,
ReadingContext *context)
{
if (isRootNode) {
modelNode.view()->changeRootNodeType(typeName, majorVersion, minorVersion);
} else {
NodeAbstractProperty parentProperty = modelNode.parentProperty();
int nodeIndex = -1;
if (parentProperty.isNodeListProperty()) {
nodeIndex = parentProperty.toNodeListProperty().toModelNodeList().indexOf(modelNode);
Q_ASSERT(nodeIndex >= 0);
}
modelNode.destroy();
const ModelNode &newNode = m_merger->createModelNode(typeName,
majorVersion,
minorVersion,
astNode,
context,
*this);
parentProperty.reparentHere(newNode);
if (nodeIndex >= 0) {
int currentIndex = parentProperty.toNodeListProperty().toModelNodeList().indexOf(newNode);
if (nodeIndex != currentIndex)
parentProperty.toNodeListProperty().slide(currentIndex, nodeIndex);
}
}
}
void ModelAmender::propertyAbsentFromQml(AbstractProperty &modelProperty)
{
modelProperty.parentModelNode().removeProperty(modelProperty.name());
}
void ModelAmender::idsDiffer(ModelNode &modelNode, const QString &qmlId)
{
modelNode.setId(qmlId);
}
void TextToModelMerger::setupComponent(const ModelNode &node)
{
Q_ASSERT(node.type() == QLatin1String("QtQuick/Component"));
QString componentText = m_rewriterView->extractText(QList<ModelNode>() << node).value(node);
if (componentText.isEmpty())
return;
QString result;
if (componentText.contains("Component")) { //explicit component
FirstDefinitionFinder firstDefinitionFinder(componentText);
int offset = firstDefinitionFinder(0);
ObjectLengthCalculator objectLengthCalculator;
unsigned length;
if (objectLengthCalculator(componentText, offset, length)) {
result = componentText.mid(offset, length);
} else {
result = componentText;
}
} else {
result = componentText; //implicit component
}
node.variantProperty("__component_data") = result;
}
QString TextToModelMerger::textAt(const Document::Ptr &doc,
const SourceLocation &location)
{
return doc->source().mid(location.offset, location.length);
}
QString TextToModelMerger::textAt(const Document::Ptr &doc,
const SourceLocation &from,
const SourceLocation &to)
{
return doc->source().mid(from.offset, to.end() - from.begin());
}
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