Read only a single DirectiveMetadata (will be squashed)

This commit is contained in:
Tim Blasi
2015-04-16 08:54:44 -07:00
parent ae84eb7462
commit e927342e58
3 changed files with 50 additions and 19 deletions

View File

@ -6,10 +6,10 @@ import 'package:angular2/src/transform/common/logging.dart';
import 'package:angular2/src/transform/common/parser.dart';
/// Reads [DirectiveMetadata] from the `attributes` of `t`.
List<DirectiveMetadata> readDirectiveMetadata(RegisteredType t) {
DirectiveMetadata readDirectiveMetadata(RegisteredType t) {
var visitor = new _DirectiveMetadataVisitor();
t.annotations.accept(visitor);
return visitor.directiveMetadata;
return visitor.meta;
}
num _getDirectiveType(String annotationName) {
@ -30,21 +30,23 @@ num _getDirectiveType(String annotationName) {
/// [RegisterType] object and pulling out [DirectiveMetadata].
class _DirectiveMetadataVisitor extends Object
with RecursiveAstVisitor<Object> {
DirectiveMetadata current;
final List<DirectiveMetadata> directiveMetadata = [];
DirectiveMetadata meta;
@override
Object visitInstanceCreationExpression(InstanceCreationExpression node) {
var directiveType = _getDirectiveType('${node.constructorName.type.name}');
if (directiveType >= 0) {
current = new DirectiveMetadata(
if (meta != null) {
logger.error('Only one Directive is allowed per class. '
'Found "$node" but already processed "$meta".');
}
meta = new DirectiveMetadata(
type: directiveType,
compileChildren: false,
properties: {},
hostListeners: {},
setters: [],
readAttributes: []);
directiveMetadata.add(current);
super.visitInstanceCreationExpression(node);
}
// Annotation we do not recognize - no need to visit.
@ -91,7 +93,7 @@ class _DirectiveMetadataVisitor extends Object
}
void _populateSelector(Expression selectorValue) {
current.selector = _expressionToString(selectorValue, 'Directive#selector');
meta.selector = _expressionToString(selectorValue, 'Directive#selector');
}
void _populateCompileChildren(Expression compileChildrenValue) {
@ -102,7 +104,7 @@ class _DirectiveMetadataVisitor extends Object
' Source: ${compileChildrenValue}');
return;
}
current.compileChildren = (compileChildrenValue as BooleanLiteral).value;
meta.compileChildren = (compileChildrenValue as BooleanLiteral).value;
}
void _populateProperties(Expression propertiesValue) {
@ -115,7 +117,7 @@ class _DirectiveMetadataVisitor extends Object
for (MapLiteralEntry entry in (propertiesValue as MapLiteral).entries) {
var sKey = _expressionToString(entry.key, 'Directive#properties keys');
var sVal = _expressionToString(entry.value, 'Direcive#properties values');
current.properties[sKey] = sVal;
meta.properties[sKey] = sVal;
}
}
@ -130,7 +132,7 @@ class _DirectiveMetadataVisitor extends Object
var sKey = _expressionToString(entry.key, 'Directive#hostListeners keys');
var sVal =
_expressionToString(entry.value, 'Directive#hostListeners values');
current.hostListeners[sKey] = sVal;
meta.hostListeners[sKey] = sVal;
}
}
}