yanchengPowerSupply/node_modules/pdfjs-dist/lib/display/xfa_text.js

80 lines
1.8 KiB
JavaScript

/**
* @licstart The following is the entire license notice for the
* JavaScript code in this page
*
* Copyright 2022 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.
*
* @licend The above is the entire license notice for the
* JavaScript code in this page
*/
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.XfaText = void 0;
class XfaText {
static textContent(xfa) {
const items = [];
const output = {
items,
styles: Object.create(null)
};
function walk(node) {
if (!node) {
return;
}
let str = null;
const name = node.name;
if (name === "#text") {
str = node.value;
} else if (!XfaText.shouldBuildText(name)) {
return;
} else if (node?.attributes?.textContent) {
str = node.attributes.textContent;
} else if (node.value) {
str = node.value;
}
if (str !== null) {
items.push({
str
});
}
if (!node.children) {
return;
}
for (const child of node.children) {
walk(child);
}
}
walk(xfa);
return output;
}
static shouldBuildText(name) {
return !(name === "textarea" || name === "input" || name === "option" || name === "select");
}
}
exports.XfaText = XfaText;