409 lines
16 KiB
TypeScript

import {
Type,
isArray,
isPresent,
serializeEnum,
deserializeEnum
} from "angular2/src/core/facade/lang";
import {BaseException, WrappedException} from 'angular2/src/core/facade/exceptions';
import {
ListWrapper,
Map,
StringMap,
StringMapWrapper,
MapWrapper
} from "angular2/src/core/facade/collection";
import {
ProtoViewDto,
RenderDirectiveMetadata,
RenderElementBinder,
DirectiveBinder,
ElementPropertyBinding,
EventBinding,
ViewDefinition,
RenderProtoViewRef,
RenderProtoViewMergeMapping,
RenderViewRef,
RenderFragmentRef,
RenderElementRef,
ViewType,
ViewEncapsulation,
PropertyBindingType
} from "angular2/src/core/render/api";
import {WebWorkerElementRef} from 'angular2/src/web_workers/shared/api';
import {AST, ASTWithSource} from 'angular2/src/core/change_detection/change_detection';
import {Parser} from "angular2/src/core/change_detection/parser/parser";
import {Injectable} from "angular2/src/core/di";
import {RenderProtoViewRefStore} from 'angular2/src/web_workers/shared/render_proto_view_ref_store';
import {
RenderViewWithFragmentsStore
} from 'angular2/src/web_workers/shared/render_view_with_fragments_store';
// PRIMITIVE is any type that does not need to be serialized (string, number, boolean)
// We set it to String so that it is considered a Type.
export const PRIMITIVE: Type = String;
@Injectable()
export class Serializer {
private _enumRegistry: Map<any, Map<number, any>>;
constructor(private _parser: Parser, private _protoViewStore: RenderProtoViewRefStore,
private _renderViewStore: RenderViewWithFragmentsStore) {
this._enumRegistry = new Map<any, Map<number, any>>();
var viewTypeMap = new Map<number, any>();
viewTypeMap[0] = ViewType.HOST;
viewTypeMap[1] = ViewType.COMPONENT;
viewTypeMap[2] = ViewType.EMBEDDED;
this._enumRegistry.set(ViewType, viewTypeMap);
var viewEncapsulationMap = new Map<number, any>();
viewEncapsulationMap[0] = ViewEncapsulation.Emulated;
viewEncapsulationMap[1] = ViewEncapsulation.Native;
viewEncapsulationMap[2] = ViewEncapsulation.None;
this._enumRegistry.set(ViewEncapsulation, viewEncapsulationMap);
var propertyBindingTypeMap = new Map<number, any>();
propertyBindingTypeMap[0] = PropertyBindingType.PROPERTY;
propertyBindingTypeMap[1] = PropertyBindingType.ATTRIBUTE;
propertyBindingTypeMap[2] = PropertyBindingType.CLASS;
propertyBindingTypeMap[3] = PropertyBindingType.STYLE;
this._enumRegistry.set(PropertyBindingType, propertyBindingTypeMap);
}
serialize(obj: any, type: Type): Object {
if (!isPresent(obj)) {
return null;
}
if (isArray(obj)) {
var serializedObj = [];
ListWrapper.forEach(obj, (val) => { serializedObj.push(this.serialize(val, type)); });
return serializedObj;
}
if (type == PRIMITIVE) {
return obj;
}
if (type == ViewDefinition) {
return this._serializeViewDefinition(obj);
} else if (type == DirectiveBinder) {
return this._serializeDirectiveBinder(obj);
} else if (type == ProtoViewDto) {
return this._serializeProtoViewDto(obj);
} else if (type == RenderElementBinder) {
return this._serializeElementBinder(obj);
} else if (type == RenderDirectiveMetadata) {
return this._serializeDirectiveMetadata(obj);
} else if (type == ASTWithSource) {
return this._serializeASTWithSource(obj);
} else if (type == RenderProtoViewRef) {
return this._protoViewStore.serialize(obj);
} else if (type == RenderProtoViewMergeMapping) {
return this._serializeRenderProtoViewMergeMapping(obj);
} else if (type == RenderViewRef) {
return this._renderViewStore.serializeRenderViewRef(obj);
} else if (type == RenderFragmentRef) {
return this._renderViewStore.serializeRenderFragmentRef(obj);
} else if (type == WebWorkerElementRef) {
return this._serializeWorkerElementRef(obj);
} else if (type == ElementPropertyBinding) {
return this._serializeElementPropertyBinding(obj);
} else if (type == EventBinding) {
return this._serializeEventBinding(obj);
} else {
throw new BaseException("No serializer for " + type.toString());
}
}
deserialize(map: any, type: Type, data?: any): any {
if (!isPresent(map)) {
return null;
}
if (isArray(map)) {
var obj: any[] = [];
ListWrapper.forEach(map, (val) => { obj.push(this.deserialize(val, type, data)); });
return obj;
}
if (type == PRIMITIVE) {
return map;
}
if (type == ViewDefinition) {
return this._deserializeViewDefinition(map);
} else if (type == DirectiveBinder) {
return this._deserializeDirectiveBinder(map);
} else if (type == ProtoViewDto) {
return this._deserializeProtoViewDto(map);
} else if (type == RenderDirectiveMetadata) {
return this._deserializeDirectiveMetadata(map);
} else if (type == RenderElementBinder) {
return this._deserializeElementBinder(map);
} else if (type == ASTWithSource) {
return this._deserializeASTWithSource(map, data);
} else if (type == RenderProtoViewRef) {
return this._protoViewStore.deserialize(map);
} else if (type == RenderProtoViewMergeMapping) {
return this._deserializeRenderProtoViewMergeMapping(map);
} else if (type == RenderViewRef) {
return this._renderViewStore.deserializeRenderViewRef(map);
} else if (type == RenderFragmentRef) {
return this._renderViewStore.deserializeRenderFragmentRef(map);
} else if (type == WebWorkerElementRef) {
return this._deserializeWorkerElementRef(map);
} else if (type == EventBinding) {
return this._deserializeEventBinding(map);
} else if (type == ElementPropertyBinding) {
return this._deserializeElementPropertyBinding(map);
} else {
throw new BaseException("No deserializer for " + type.toString());
}
}
mapToObject(map: Map<string, any>, type?: Type): Object {
var object = {};
var serialize = isPresent(type);
MapWrapper.forEach(map, (value, key) => {
if (serialize) {
object[key] = this.serialize(value, type);
} else {
object[key] = value;
}
});
return object;
}
/*
* Transforms a Javascript object (StringMap) into a Map<string, V>
* If the values need to be deserialized pass in their type
* and they will be deserialized before being placed in the map
*/
objectToMap(obj: StringMap<string, any>, type?: Type, data?: any): Map<string, any> {
if (isPresent(type)) {
var map: Map<string, any> = new Map();
StringMapWrapper.forEach(obj,
(val, key) => { map.set(key, this.deserialize(val, type, data)); });
return map;
} else {
return MapWrapper.createFromStringMap(obj);
}
}
allocateRenderViews(fragmentCount: number) { this._renderViewStore.allocate(fragmentCount); }
private _serializeElementPropertyBinding(binding:
ElementPropertyBinding): StringMap<string, any> {
return {
'type': serializeEnum(binding.type),
'astWithSource': this.serialize(binding.astWithSource, ASTWithSource),
'property': binding.property,
'unit': binding.unit
};
}
private _deserializeElementPropertyBinding(map: StringMap<string, any>): ElementPropertyBinding {
var type = deserializeEnum(map['type'], this._enumRegistry.get(PropertyBindingType));
var ast = this.deserialize(map['astWithSource'], ASTWithSource, "binding");
return new ElementPropertyBinding(type, ast, map['property'], map['unit']);
}
private _serializeEventBinding(binding: EventBinding): StringMap<string, any> {
return {'fullName': binding.fullName, 'source': this.serialize(binding.source, ASTWithSource)};
}
private _deserializeEventBinding(map: StringMap<string, any>): EventBinding {
return new EventBinding(map['fullName'],
this.deserialize(map['source'], ASTWithSource, "action"));
}
private _serializeWorkerElementRef(elementRef: RenderElementRef): StringMap<string, any> {
return {
'renderView': this.serialize(elementRef.renderView, RenderViewRef),
'renderBoundElementIndex': elementRef.renderBoundElementIndex
};
}
private _deserializeWorkerElementRef(map: StringMap<string, any>): RenderElementRef {
return new WebWorkerElementRef(this.deserialize(map['renderView'], RenderViewRef),
map['renderBoundElementIndex']);
}
private _serializeRenderProtoViewMergeMapping(mapping: RenderProtoViewMergeMapping): Object {
return {
'mergedProtoViewRef': this._protoViewStore.serialize(mapping.mergedProtoViewRef),
'fragmentCount': mapping.fragmentCount,
'mappedElementIndices': mapping.mappedElementIndices,
'mappedElementCount': mapping.mappedElementCount,
'mappedTextIndices': mapping.mappedTextIndices,
'hostElementIndicesByViewIndex': mapping.hostElementIndicesByViewIndex,
'nestedViewCountByViewIndex': mapping.nestedViewCountByViewIndex
};
}
private _deserializeRenderProtoViewMergeMapping(obj: StringMap<string, any>):
RenderProtoViewMergeMapping {
return new RenderProtoViewMergeMapping(
this._protoViewStore.deserialize(obj['mergedProtoViewRef']), obj['fragmentCount'],
obj['mappedElementIndices'], obj['mappedElementCount'], obj['mappedTextIndices'],
obj['hostElementIndicesByViewIndex'], obj['nestedViewCountByViewIndex']);
}
private _serializeASTWithSource(tree: ASTWithSource): Object {
return {'input': tree.source, 'location': tree.location};
}
private _deserializeASTWithSource(obj: StringMap<string, any>, data: string): AST {
// TODO: make ASTs serializable
var ast: AST;
switch (data) {
case "action":
ast = this._parser.parseAction(obj['input'], obj['location']);
break;
case "binding":
ast = this._parser.parseBinding(obj['input'], obj['location']);
break;
case "interpolation":
ast = this._parser.parseInterpolation(obj['input'], obj['location']);
break;
default:
throw "No AST deserializer for " + data;
}
return ast;
}
private _serializeViewDefinition(view: ViewDefinition): Object {
return {
'componentId': view.componentId,
'templateAbsUrl': view.templateAbsUrl,
'template': view.template,
'directives': this.serialize(view.directives, RenderDirectiveMetadata),
'styleAbsUrls': view.styleAbsUrls,
'styles': view.styles,
'encapsulation': serializeEnum(view.encapsulation)
};
}
private _deserializeViewDefinition(obj: StringMap<string, any>): ViewDefinition {
return new ViewDefinition({
componentId: obj['componentId'],
templateAbsUrl: obj['templateAbsUrl'], template: obj['template'],
directives: this.deserialize(obj['directives'], RenderDirectiveMetadata),
styleAbsUrls: obj['styleAbsUrls'],
styles: obj['styles'],
encapsulation:
deserializeEnum(obj['encapsulation'], this._enumRegistry.get(ViewEncapsulation))
});
}
private _serializeDirectiveBinder(binder: DirectiveBinder): Object {
return {
'directiveIndex': binder.directiveIndex,
'propertyBindings': this.mapToObject(binder.propertyBindings, ASTWithSource),
'eventBindings': this.serialize(binder.eventBindings, EventBinding),
'hostPropertyBindings': this.serialize(binder.hostPropertyBindings, ElementPropertyBinding)
};
}
private _deserializeDirectiveBinder(obj: StringMap<string, any>): DirectiveBinder {
return new DirectiveBinder({
directiveIndex: obj['directiveIndex'],
propertyBindings: this.objectToMap(obj['propertyBindings'], ASTWithSource, "binding"),
eventBindings: this.deserialize(obj['eventBindings'], EventBinding),
hostPropertyBindings: this.deserialize(obj['hostPropertyBindings'], ElementPropertyBinding)
});
}
private _serializeElementBinder(binder: RenderElementBinder): Object {
return {
'index': binder.index,
'parentIndex': binder.parentIndex,
'distanceToParent': binder.distanceToParent,
'directives': this.serialize(binder.directives, DirectiveBinder),
'nestedProtoView': this.serialize(binder.nestedProtoView, ProtoViewDto),
'propertyBindings': this.serialize(binder.propertyBindings, ElementPropertyBinding),
'variableBindings': this.mapToObject(binder.variableBindings),
'eventBindings': this.serialize(binder.eventBindings, EventBinding),
'readAttributes': this.mapToObject(binder.readAttributes)
};
}
private _deserializeElementBinder(obj: StringMap<string, any>): RenderElementBinder {
return new RenderElementBinder({
index: obj['index'],
parentIndex: obj['parentIndex'],
distanceToParent: obj['distanceToParent'],
directives: this.deserialize(obj['directives'], DirectiveBinder),
nestedProtoView: this.deserialize(obj['nestedProtoView'], ProtoViewDto),
propertyBindings: this.deserialize(obj['propertyBindings'], ElementPropertyBinding),
variableBindings: this.objectToMap(obj['variableBindings']),
eventBindings: this.deserialize(obj['eventBindings'], EventBinding),
readAttributes: this.objectToMap(obj['readAttributes'])
});
}
private _serializeProtoViewDto(view: ProtoViewDto): Object {
return {
'render': this._protoViewStore.serialize(view.render),
'elementBinders': this.serialize(view.elementBinders, RenderElementBinder),
'variableBindings': this.mapToObject(view.variableBindings),
'type': serializeEnum(view.type),
'textBindings': this.serialize(view.textBindings, ASTWithSource),
'transitiveNgContentCount': view.transitiveNgContentCount
};
}
private _deserializeProtoViewDto(obj: StringMap<string, any>): ProtoViewDto {
return new ProtoViewDto({
render: this._protoViewStore.deserialize(obj["render"]),
elementBinders: this.deserialize(obj['elementBinders'], RenderElementBinder),
variableBindings: this.objectToMap(obj['variableBindings']),
textBindings: this.deserialize(obj['textBindings'], ASTWithSource, "interpolation"),
type: deserializeEnum(obj['type'], this._enumRegistry.get(ViewType)),
transitiveNgContentCount: obj['transitiveNgContentCount']
});
}
private _serializeDirectiveMetadata(meta: RenderDirectiveMetadata): Object {
var obj = {
'id': meta.id,
'selector': meta.selector,
'compileChildren': meta.compileChildren,
'events': meta.events,
'properties': meta.properties,
'readAttributes': meta.readAttributes,
'type': meta.type,
'callOnDestroy': meta.callOnDestroy,
'callOnChanges': meta.callOnChanges,
'callDoCheck': meta.callDoCheck,
'callOnInit': meta.callOnInit,
'callAfterContentChecked': meta.callAfterContentChecked,
'changeDetection': meta.changeDetection,
'exportAs': meta.exportAs,
'hostProperties': this.mapToObject(meta.hostProperties),
'hostListeners': this.mapToObject(meta.hostListeners),
'hostAttributes': this.mapToObject(meta.hostAttributes)
};
return obj;
}
private _deserializeDirectiveMetadata(obj: StringMap<string, any>): RenderDirectiveMetadata {
return new RenderDirectiveMetadata({
id: obj['id'],
selector: obj['selector'],
compileChildren: obj['compileChildren'],
hostProperties: this.objectToMap(obj['hostProperties']),
hostListeners: this.objectToMap(obj['hostListeners']),
hostAttributes: this.objectToMap(obj['hostAttributes']),
properties: obj['properties'],
readAttributes: obj['readAttributes'],
type: obj['type'],
exportAs: obj['exportAs'],
callOnDestroy: obj['callOnDestroy'],
callOnChanges: obj['callOnChanges'],
callDoCheck: obj['callDoCheck'],
callOnInit: obj['callOnInit'],
callAfterContentChecked: obj['callAfterContentChecked'],
changeDetection: obj['changeDetection'],
events: obj['events']
});
}
}