QByteArray
QDeclarativeGestureAreaParser::compile(const QList<QDeclarativeCustomParserProperty> &props)
{
QByteArray rv;
QDataStream ds(&rv, QIODevice::WriteOnly);
for(int ii = 0; ii < props.count(); ++ii)
{
QString propName = QString::fromUtf8(props.at(ii).name());
Qt::GestureType type;
if (propName == QLatin1String("onTap")) {
type = Qt::TapGesture;
} else if (propName == QLatin1String("onTapAndHold")) {
type = Qt::TapAndHoldGesture;
} else if (propName == QLatin1String("onPan")) {
type = Qt::PanGesture;
} else if (propName == QLatin1String("onPinch")) {
type = Qt::PinchGesture;
} else if (propName == QLatin1String("onSwipe")) {
type = Qt::SwipeGesture;
} else if (propName == QLatin1String("onGesture")) {
type = Qt::CustomGesture;
} else {
error(props.at(ii), QDeclarativeGestureArea::tr("Cannot assign to non-existent property \"%1\"").arg(propName));
return QByteArray();
}
QList<QVariant> values = props.at(ii).assignedValues();
for (int i = 0; i < values.count(); ++i) {
const QVariant &value = values.at(i);
if (value.userType() == qMetaTypeId<QDeclarativeCustomParserNode>()) {
error(props.at(ii), QDeclarativeGestureArea::tr("GestureArea: nested objects not allowed"));
return QByteArray();
} else if (value.userType() == qMetaTypeId<QDeclarativeCustomParserProperty>()) {
error(props.at(ii), QDeclarativeGestureArea::tr("GestureArea: syntax error"));
return QByteArray();
} else {
QDeclarativeParser::Variant v = qvariant_cast<QDeclarativeParser::Variant>(value);
if (v.isScript()) {
ds << propName;
ds << int(type);
ds << v.asScript();
} else {
error(props.at(ii), QDeclarativeGestureArea::tr("GestureArea: script expected"));
return QByteArray();
}
}
}
}
return rv;
}
QByteArray
QDeclarativeConnectionsParser::compile(const QList<QDeclarativeCustomParserProperty> &props)
{
QByteArray rv;
QDataStream ds(&rv, QIODevice::WriteOnly);
for(int ii = 0; ii < props.count(); ++ii)
{
QString propName = QString::fromUtf8(props.at(ii).name());
if (!propName.startsWith(QLatin1String("on")) || !propName.at(2).isUpper()) {
error(props.at(ii), QDeclarativeConnections::tr("Cannot assign to non-existent property \"%1\"").arg(propName));
return QByteArray();
}
QList<QVariant> values = props.at(ii).assignedValues();
for (int i = 0; i < values.count(); ++i) {
const QVariant &value = values.at(i);
if (value.userType() == qMetaTypeId<QDeclarativeCustomParserNode>()) {
error(props.at(ii), QDeclarativeConnections::tr("Connections: nested objects not allowed"));
return QByteArray();
} else if (value.userType() == qMetaTypeId<QDeclarativeCustomParserProperty>()) {
error(props.at(ii), QDeclarativeConnections::tr("Connections: syntax error"));
return QByteArray();
} else {
QDeclarativeParser::Variant v = qvariant_cast<QDeclarativeParser::Variant>(value);
if (v.isScript()) {
ds << propName;
ds << v.asScript();
} else {
error(props.at(ii), QDeclarativeConnections::tr("Connections: script expected"));
return QByteArray();
}
}
}
}
return rv;
}
bool QDeclarativeListModelParser::compileProperty(const QDeclarativeCustomParserProperty &prop, QList<ListInstruction> &instr, QByteArray &data)
{
QList<QVariant> values = prop.assignedValues();
for(int ii = 0; ii < values.count(); ++ii) {
const QVariant &value = values.at(ii);
if(value.userType() == qMetaTypeId<QDeclarativeCustomParserNode>()) {
QDeclarativeCustomParserNode node =
qvariant_cast<QDeclarativeCustomParserNode>(value);
if (node.name() != listElementTypeName) {
const QMetaObject *mo = resolveType(node.name());
if (mo != &QDeclarativeListElement::staticMetaObject) {
error(node, QDeclarativeListModel::tr("ListElement: cannot contain nested elements"));
return false;
}
listElementTypeName = node.name(); // cache right name for next time
}
{
ListInstruction li;
li.type = ListInstruction::Push;
li.dataIdx = -1;
instr << li;
}
QList<QDeclarativeCustomParserProperty> props = node.properties();
for(int jj = 0; jj < props.count(); ++jj) {
const QDeclarativeCustomParserProperty &nodeProp = props.at(jj);
if (nodeProp.name().isEmpty()) {
error(nodeProp, QDeclarativeListModel::tr("ListElement: cannot contain nested elements"));
return false;
}
if (nodeProp.name() == "id") {
error(nodeProp, QDeclarativeListModel::tr("ListElement: cannot use reserved \"id\" property"));
return false;
}
ListInstruction li;
int ref = data.count();
data.append(nodeProp.name());
data.append('\0');
li.type = ListInstruction::Set;
li.dataIdx = ref;
instr << li;
if(!compileProperty(nodeProp, instr, data))
return false;
li.type = ListInstruction::Pop;
li.dataIdx = -1;
instr << li;
}
{
ListInstruction li;
li.type = ListInstruction::Pop;
li.dataIdx = -1;
instr << li;
}
} else {
QDeclarativeParser::Variant variant =
qvariant_cast<QDeclarativeParser::Variant>(value);
int ref = data.count();
QByteArray d;
d += char(variant.type()); // type tag
if (variant.isString()) {
d += variant.asString().toUtf8();
} else if (variant.isNumber()) {
d += QByteArray::number(variant.asNumber(),'g',20);
} else if (variant.isBoolean()) {
d += char(variant.asBoolean());
} else if (variant.isScript()) {
if (definesEmptyList(variant.asScript())) {
d[0] = char(QDeclarativeParser::Variant::Invalid); // marks empty list
} else {
QByteArray script = variant.asScript().toUtf8();
int v = evaluateEnum(script);
if (v<0) {
if (script.startsWith("QT_TR_NOOP(\"") && script.endsWith("\")")) {
d[0] = char(QDeclarativeParser::Variant::String);
d += script.mid(12,script.length()-14);
} else {
error(prop, QDeclarativeListModel::tr("ListElement: cannot use script for property value"));
return false;
}
} else {
d[0] = char(QDeclarativeParser::Variant::Number);
d += QByteArray::number(v);
}
}
}
d.append('\0');
data.append(d);
ListInstruction li;
li.type = ListInstruction::Value;
li.dataIdx = ref;
instr << li;
}
}
return true;
}