pad.libre-service.eu-etherpad/src/node/utils/ExportHelper.js
2015-01-18 23:24:20 +00:00

82 lines
2.3 KiB
JavaScript

/**
* Helpers for export requests
*/
/*
* 2011 Peter 'Pita' Martischka (Primary Technology Ltd)
*
* 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.
*/
var Changeset = require("ep_etherpad-lite/static/js/Changeset");
exports.getPadPlainText = function(pad, revNum){
var atext = ((revNum !== undefined) ? pad.getInternalRevisionAText(revNum) : pad.atext());
var textLines = atext.text.slice(0, -1).split('\n');
var attribLines = Changeset.splitAttributionLines(atext.attribs, atext.text);
var apool = pad.pool();
var pieces = [];
for (var i = 0; i < textLines.length; i++){
var line = _analyzeLine(textLines[i], attribLines[i], apool);
if (line.listLevel){
var numSpaces = line.listLevel * 2 - 1;
var bullet = '*';
pieces.push(new Array(numSpaces + 1).join(' '), bullet, ' ', line.text, '\n');
}
else{
pieces.push(line.text, '\n');
}
}
return pieces.join('');
};
exports._analyzeLine = function(text, aline, apool){
var line = {};
// identify list
var lineMarker = 0;
line.listLevel = 0;
if (aline){
var opIter = Changeset.opIterator(aline);
if (opIter.hasNext()){
var listType = Changeset.opAttributeValue(opIter.next(), 'list', apool);
if (listType){
lineMarker = 1;
listType = /([a-z]+)([0-9]+)/.exec(listType);
if (listType){
line.listTypeName = listType[1];
line.listLevel = Number(listType[2]);
}
}
}
}
if (lineMarker){
line.text = text.substring(1);
line.aline = Changeset.subattribution(aline, 1);
}
else{
line.text = text;
line.aline = aline;
}
return line;
};
exports._encodeWhitespace = function(s){
return s.replace(/[^\x21-\x7E\s\t\n\r]/g, function(c){
return "&#" +c.charCodeAt(0) + ";";
});
};