mirror of
https://github.com/ether/etherpad-lite.git
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86 lines
2.5 KiB
JavaScript
86 lines
2.5 KiB
JavaScript
'use strict';
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/**
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* Helpers for export requests
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*/
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/*
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* 2011 Peter 'Pita' Martischka (Primary Technology Ltd)
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS-IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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const Changeset = require('../../static/js/Changeset');
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exports.getPadPlainText = (pad, revNum) => {
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const _analyzeLine = exports._analyzeLine;
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const atext = ((revNum !== undefined) ? pad.getInternalRevisionAText(revNum) : pad.atext);
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const textLines = atext.text.slice(0, -1).split('\n');
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const attribLines = Changeset.splitAttributionLines(atext.attribs, atext.text);
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const apool = pad.pool;
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const pieces = [];
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for (let i = 0; i < textLines.length; i++) {
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const line = _analyzeLine(textLines[i], attribLines[i], apool);
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if (line.listLevel) {
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const numSpaces = line.listLevel * 2 - 1;
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const bullet = '*';
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pieces.push(new Array(numSpaces + 1).join(' '), bullet, ' ', line.text, '\n');
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} else {
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pieces.push(line.text, '\n');
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}
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}
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return pieces.join('');
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};
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exports._analyzeLine = (text, aline, apool) => {
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const line = {};
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// identify list
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let lineMarker = 0;
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line.listLevel = 0;
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if (aline) {
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const opIter = Changeset.opIterator(aline);
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if (opIter.hasNext()) {
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let listType = Changeset.opAttributeValue(opIter.next(), 'list', apool);
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if (listType) {
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lineMarker = 1;
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listType = /([a-z]+)([0-9]+)/.exec(listType);
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if (listType) {
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line.listTypeName = listType[1];
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line.listLevel = Number(listType[2]);
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}
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}
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}
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const opIter2 = Changeset.opIterator(aline);
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if (opIter2.hasNext()) {
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const start = Changeset.opAttributeValue(opIter2.next(), 'start', apool);
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if (start) {
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line.start = start;
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}
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}
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}
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if (lineMarker) {
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line.text = text.substring(1);
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line.aline = Changeset.subattribution(aline, 1);
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} else {
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line.text = text;
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line.aline = aline;
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}
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return line;
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};
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exports._encodeWhitespace =
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(s) => s.replace(/[^\x21-\x7E\s\t\n\r]/gu, (c) => `&#${c.codePointAt(0)};`);
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