97 lines
3.5 KiB
TypeScript
97 lines
3.5 KiB
TypeScript
|
/**
|
||
|
|
* @license
|
||
|
|
* Copyright Google Inc. All Rights Reserved.
|
||
|
|
*
|
||
|
|
* Use of this source code is governed by an MIT-style license that can be
|
||
|
|
* found in the LICENSE file at https://angular.io/license
|
||
|
|
*/
|
||
|
|
import {SecurityContext} from '@angular/core';
|
||
|
|
|
||
|
|
import {isPresent} from '../facade/lang';
|
||
|
|
import {Identifiers, resolveIdentifier} from '../identifiers';
|
||
|
|
import * as o from '../output/output_ast';
|
||
|
|
import {BoundElementPropertyAst, PropertyBindingType} from '../template_parser/template_ast';
|
||
|
|
|
||
|
|
export function writeToRenderer(
|
||
|
|
view: o.Expression, boundProp: BoundElementPropertyAst, renderNode: o.Expression,
|
||
|
|
renderValue: o.Expression, logBindingUpdate: boolean): o.Statement[] {
|
||
|
|
const updateStmts: o.Statement[] = [];
|
||
|
|
const renderer = view.prop('renderer');
|
||
|
|
renderValue = sanitizedValue(view, boundProp, renderValue);
|
||
|
|
switch (boundProp.type) {
|
||
|
|
case PropertyBindingType.Property:
|
||
|
|
if (logBindingUpdate) {
|
||
|
|
updateStmts.push(o.importExpr(resolveIdentifier(Identifiers.setBindingDebugInfo))
|
||
|
|
.callFn([renderer, renderNode, o.literal(boundProp.name), renderValue])
|
||
|
|
.toStmt());
|
||
|
|
}
|
||
|
|
updateStmts.push(
|
||
|
|
renderer
|
||
|
|
.callMethod(
|
||
|
|
'setElementProperty', [renderNode, o.literal(boundProp.name), renderValue])
|
||
|
|
.toStmt());
|
||
|
|
break;
|
||
|
|
case PropertyBindingType.Attribute:
|
||
|
|
renderValue =
|
||
|
|
renderValue.isBlank().conditional(o.NULL_EXPR, renderValue.callMethod('toString', []));
|
||
|
|
updateStmts.push(
|
||
|
|
renderer
|
||
|
|
.callMethod(
|
||
|
|
'setElementAttribute', [renderNode, o.literal(boundProp.name), renderValue])
|
||
|
|
.toStmt());
|
||
|
|
break;
|
||
|
|
case PropertyBindingType.Class:
|
||
|
|
updateStmts.push(
|
||
|
|
renderer
|
||
|
|
.callMethod('setElementClass', [renderNode, o.literal(boundProp.name), renderValue])
|
||
|
|
.toStmt());
|
||
|
|
break;
|
||
|
|
case PropertyBindingType.Style:
|
||
|
|
var strValue: o.Expression = renderValue.callMethod('toString', []);
|
||
|
|
if (isPresent(boundProp.unit)) {
|
||
|
|
strValue = strValue.plus(o.literal(boundProp.unit));
|
||
|
|
}
|
||
|
|
|
||
|
|
renderValue = renderValue.isBlank().conditional(o.NULL_EXPR, strValue);
|
||
|
|
updateStmts.push(
|
||
|
|
renderer
|
||
|
|
.callMethod('setElementStyle', [renderNode, o.literal(boundProp.name), renderValue])
|
||
|
|
.toStmt());
|
||
|
|
break;
|
||
|
|
case PropertyBindingType.Animation:
|
||
|
|
throw new Error('Illegal state: Should not come here!');
|
||
|
|
}
|
||
|
|
return updateStmts;
|
||
|
|
}
|
||
|
|
|
||
|
|
function sanitizedValue(
|
||
|
|
view: o.Expression, boundProp: BoundElementPropertyAst,
|
||
|
|
renderValue: o.Expression): o.Expression {
|
||
|
|
let enumValue: string;
|
||
|
|
switch (boundProp.securityContext) {
|
||
|
|
case SecurityContext.NONE:
|
||
|
|
return renderValue; // No sanitization needed.
|
||
|
|
case SecurityContext.HTML:
|
||
|
|
enumValue = 'HTML';
|
||
|
|
break;
|
||
|
|
case SecurityContext.STYLE:
|
||
|
|
enumValue = 'STYLE';
|
||
|
|
break;
|
||
|
|
case SecurityContext.SCRIPT:
|
||
|
|
enumValue = 'SCRIPT';
|
||
|
|
break;
|
||
|
|
case SecurityContext.URL:
|
||
|
|
enumValue = 'URL';
|
||
|
|
break;
|
||
|
|
case SecurityContext.RESOURCE_URL:
|
||
|
|
enumValue = 'RESOURCE_URL';
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
throw new Error(`internal error, unexpected SecurityContext ${boundProp.securityContext}.`);
|
||
|
|
}
|
||
|
|
let ctx = view.prop('viewUtils').prop('sanitizer');
|
||
|
|
let args =
|
||
|
|
[o.importExpr(resolveIdentifier(Identifiers.SecurityContext)).prop(enumValue), renderValue];
|
||
|
|
return ctx.callMethod('sanitize', args);
|
||
|
|
}
|