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1x | /* Copyright 2017 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.
*/
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.Metadata = undefined;
var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; Eif ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { Eif (protoProps) defineProperties(Constructor.prototype, protoProps); Iif (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
var _util = require('../shared/util');
var _dom_utils = require('./dom_utils');
function _classCallCheck(instance, Constructor) { Iif (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
var Metadata = function () {
function Metadata(data) {
_classCallCheck(this, Metadata);
(0, _util.assert)(typeof data === 'string', 'Metadata: input is not a string');
data = this._repair(data);
var parser = new _dom_utils.SimpleXMLParser();
data = parser.parseFromString(data);
this._metadata = Object.create(null);
this._parse(data);
}
_createClass(Metadata, [{
key: '_repair',
value: function _repair(data) {
return data.replace(/>\\376\\377([^<]+)/g, function (all, codes) {
var bytes = codes.replace(/\\([0-3])([0-7])([0-7])/g, function (code, d1, d2, d3) {
return String.fromCharCode(d1 * 64 + d2 * 8 + d3 * 1);
});
var chars = '';
for (var i = 0, ii = bytes.length; i < ii; i += 2) {
var code = bytes.charCodeAt(i) * 256 + bytes.charCodeAt(i + 1);
if (code >= 32 && code < 127 && code !== 60 && code !== 62 && code !== 38) {
chars += String.fromCharCode(code);
} else {
chars += '&#x' + (0x10000 + code).toString(16).substring(1) + ';';
}
}
return '>' + chars;
});
}
}, {
key: '_parse',
value: function _parse(domDocument) {
var rdf = domDocument.documentElement;
Eif (rdf.nodeName.toLowerCase() !== 'rdf:rdf') {
rdf = rdf.firstChild;
while (rdf && rdf.nodeName.toLowerCase() !== 'rdf:rdf') {
rdf = rdf.nextSibling;
}
}
var nodeName = rdf ? rdf.nodeName.toLowerCase() : null;
Iif (!rdf || nodeName !== 'rdf:rdf' || !rdf.hasChildNodes()) {
return;
}
var children = rdf.childNodes;
for (var i = 0, ii = children.length; i < ii; i++) {
var desc = children[i];
Iif (desc.nodeName.toLowerCase() !== 'rdf:description') {
continue;
}
for (var j = 0, jj = desc.childNodes.length; j < jj; j++) {
Eif (desc.childNodes[j].nodeName.toLowerCase() !== '#text') {
var entry = desc.childNodes[j];
var name = entry.nodeName.toLowerCase();
this._metadata[name] = entry.textContent.trim();
}
}
}
}
}, {
key: 'get',
value: function get(name) {
return this._metadata[name] || null;
}
}, {
key: 'getAll',
value: function getAll() {
return this._metadata;
}
}, {
key: 'has',
value: function has(name) {
return typeof this._metadata[name] !== 'undefined';
}
}]);
return Metadata;
}();
exports.Metadata = Metadata; |