/**
* Returns a sorted (canonical) MetaData parameter list.
*
* <p>Don't change this method without considering its use in SignatureEvaluator.java
*/
public static String getSortedMetaDataParamString(MetaDataNode node) {
final Set<Value> params = new TreeSet<Value>(metaDataValueComparator);
final StringBuilder parameters = new StringBuilder(32);
if (node.getValues() != null) {
for (int i = 0, length = node.getValues().length; i < length; i++) {
params.add(node.getValues()[i]);
}
final Iterator<Value> iter = params.iterator();
parameters.append('(');
while (iter.hasNext()) {
final Object v = iter.next();
if (v instanceof KeyValuePair) {
final KeyValuePair pair = (KeyValuePair) v;
parameters.append(pair.key).append("=\"").append(pair.obj).append('"');
} else {
assert (v instanceof KeylessValue);
parameters.append('"').append(((KeylessValue) v).obj).append('"');
}
if (iter.hasNext()) {
parameters.append(",");
}
}
parameters.append(')');
}
return parameters.toString();
}
public Value evaluate(Context context, MetaDataNode node) {
if ("Style".equals(node.getId())) {
if (NodeMagic.isClassDefinition(node)) {
processStyle(context, node);
} else {
context.localizedError2(node.pos(), new StyleMustAnnotateAClass());
}
}
return null;
}
public static void removeMetaData(DefinitionNode definitionNode, String id) {
StatementListNode metaData = definitionNode.metaData;
if ((metaData != null) && (metaData.items != null)) {
Iterator iterator = metaData.items.iterator();
while (iterator.hasNext()) {
MetaDataNode metaDataNode = (MetaDataNode) iterator.next();
if ((metaDataNode.getId() != null) && metaDataNode.getId().equals(id)) {
iterator.remove();
}
}
}
}
/** add style into unit-wide list */
private void registerStyle(Context context, MetaDataNode metaDataNode, String name, MetaData md) {
try {
unit.styles.addStyle(name, md, unit.getSource());
} catch (StyleConflictException e) {
context.localizedWarning2(metaDataNode.pos(), e);
if (Trace.error) e.printStackTrace();
}
}
private void processStyle(Context context, MetaDataNode metaDataNode) {
MetaData metaData = new MetaData(metaDataNode);
String styleName = metaData.getValue("name");
String typeName = metaData.getValue("type");
if (styleName == null) {
// preilly: we should report this earlier in the process.
context.localizedError2(metaDataNode.pos(), new StyleHasMissingName());
}
if (typeName != null) {
unit.expressions.add(NameFormatter.toMultiName(typeName));
}
registerStyle(context, metaDataNode, styleName, metaData);
}