pdf.js/src/core/xfa/datasets.js
Calixte Denizet 3243672727 XFA - Create Form DOM in merging template and data trees
- Spec: http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.364.2157&rep=rep1&type=pdf#page=171;
  - support for the 2 ways of merging: consumeData and matchTemplate;
  - create additional nodes in template DOM when occur node allows it;
  - support for global values in data DOM.
2021-03-08 14:10:30 +01:00

75 lines
1.8 KiB
JavaScript

/* Copyright 2021 Mozilla Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import {
$appendChild,
$global,
$namespaceId,
$nodeName,
$onChild,
XFAObject,
XmlObject,
} from "./xfa_object.js";
import { $buildXFAObject, NamespaceIds } from "./namespaces.js";
const DATASETS_NS_ID = NamespaceIds.datasets.id;
class Data extends XmlObject {
constructor(attributes) {
super(DATASETS_NS_ID, "data", attributes);
}
}
class Datasets extends XFAObject {
constructor(attributes) {
super(DATASETS_NS_ID, "datasets", /* hasChildren = */ true);
this.data = null;
this.Signature = null;
}
[$onChild](child) {
const name = child[$nodeName];
if (
(name === "data" && child[$namespaceId] === DATASETS_NS_ID) ||
(name === "Signature" &&
child[$namespaceId] === NamespaceIds.signature.id)
) {
this[name] = child;
} else {
child[$global] = true;
}
this[$appendChild](child);
}
}
class DatasetsNamespace {
static [$buildXFAObject](name, attributes) {
if (DatasetsNamespace.hasOwnProperty(name)) {
return DatasetsNamespace[name](attributes);
}
return undefined;
}
static datasets(attributes) {
return new Datasets(attributes);
}
static data(attributes) {
return new Data(attributes);
}
}
export { DatasetsNamespace };