QDeclarativeCustomParserProperty
QDeclarativeCustomParserNodePrivate::fromProperty(QDeclarativeParser::Property *p)
{
QDeclarativeCustomParserProperty prop;
prop.d->name = p->name;
prop.d->isList = (p->values.count() > 1);
prop.d->location = p->location.start;
if (p->value) {
QDeclarativeCustomParserNode node = fromObject(p->value);
QList<QDeclarativeCustomParserProperty> props = node.properties();
for (int ii = 0; ii < props.count(); ++ii)
prop.d->values << QVariant::fromValue(props.at(ii));
} else {
for(int ii = 0; ii < p->values.count(); ++ii) {
QDeclarativeParser::Value *v = p->values.at(ii);
v->type = QDeclarativeParser::Value::Literal;
if(v->object) {
QDeclarativeCustomParserNode node = fromObject(v->object);
prop.d->values << QVariant::fromValue(node);
} else {
prop.d->values << QVariant::fromValue(v->value);
}
}
}
return prop;
}
/*!
Reports an error in parsing \a node, with the given \a description.
An error is generated referring to the position of \a node in the source file.
*/
void QDeclarativeCustomParser::error(const QDeclarativeCustomParserNode& node, const QString& description)
{
QDeclarativeError error;
QString exceptionDescription;
error.setLine(node.location().line);
error.setColumn(node.location().column);
error.setDescription(description);
exceptions << error;
}
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;
}
