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feedparser
Advanced tools
feedparser - npm Package Compare versions
Comparing version 0.10.1 to 0.10.2
915
main.js
@@ -20,35 +20,422 @@ /********************************************************************** | ||
| function reresolve (node, baseurl) { | ||
| /** | ||
| * FeedParser constructor. Most apps will only use one instance. | ||
| * | ||
| * @param {Object} options | ||
| * @api public | ||
| */ | ||
| function FeedParser (options) { | ||
| if (!node || !baseurl) { | ||
| return false; // Nothing to do. | ||
| this._reset(); | ||
| this.options = options || {}; | ||
| if (!('strict' in this.options)) this.options.strict = false; | ||
| if (!('normalize' in this.options)) this.options.normalize = true; | ||
| if (!('addmeta' in this.options)) this.options.addmeta = true; | ||
| if (this.options.feedurl) this.xmlbase.unshift({ '#name': 'xml', '#': this.options.feedurl}); | ||
| this.stream = sax.createStream(this.options.strict /* strict mode - no by default */, {lowercase: true, xmlns: true }); // https://github.com/isaacs/sax-js | ||
| this.stream.on('error', this.handleError.bind(this, this.handleSaxError.bind(this))); | ||
| this.stream.on('opentag', this.handleOpenTag.bind(this)); | ||
| this.stream.on('closetag',this.handleCloseTag.bind(this)); | ||
| this.stream.on('text', this.handleText.bind(this)); | ||
| this.stream.on('cdata', this.handleText.bind(this)); | ||
| this.stream.on('end', this.handleEnd.bind(this)); | ||
| EventEmitter.call(this); | ||
| } | ||
| util.inherits(FeedParser, EventEmitter); | ||
| /** | ||
| * Parses a feed contained in a string. | ||
| * | ||
| * For each article/post in a feed, emits an 'article' event | ||
| * with an object with the following keys: | ||
| * title {String} | ||
| * description {String} | ||
| * summary {String} | ||
| * date {Date} (or null) | ||
| * pubdate {Date} (or null) | ||
| * link {String} | ||
| * origlink {String} | ||
| * author {String} | ||
| * guid {String} | ||
| * comments {String} | ||
| * image {Object} | ||
| * categories {Array} | ||
| * source {Object} | ||
| * enclosures {Array} | ||
| * meta {Object} | ||
| * Object.keys(meta): | ||
| * #ns {Array} key,value pairs of each namespace declared for the feed | ||
| * #type {String} one of 'atom', 'rss', 'rdf' | ||
| * #version {String} | ||
| * title {String} | ||
| * description {String} | ||
| * date {Date} (or null) | ||
| * pubdate {Date} (or null) | ||
| * link {String} i.e., to the website, not the feed | ||
| * xmlurl {String} the canonical URL of the feed, as declared by the feed | ||
| * author {String} | ||
| * language {String} | ||
| * image {Object} | ||
| * favicon {String} | ||
| * copyright {String} | ||
| * generator {String} | ||
| * categories {Array} | ||
| * | ||
| * Emits a 'warning' event on each XML parser warning | ||
| * | ||
| * Emits an 'error' event on each XML parser error | ||
| * | ||
| * @param {String} string of XML representing the feed | ||
| * @param {Object} options | ||
| * @param {Function} callback | ||
| * @api public | ||
| */ | ||
| FeedParser.prototype.parseString = function(string, options, callback) { | ||
| if (arguments.length === 2 && typeof options === 'function') { | ||
| callback = options; | ||
| options = null; | ||
| } | ||
| if (options) { | ||
| if ('normalize' in options) this.options.normalize = options.normalize; | ||
| if ('addmeta' in options) this.options.addmeta = options.addmeta; | ||
| if (options.feedurl) this.xmlbase.unshift({ '#name': 'xml', '#': options.feedurl}); | ||
| } | ||
| this._setCallback(callback); | ||
| this.stream | ||
| .on('error', this.handleError.bind(this)) | ||
| .end(string, 'utf8'); | ||
| }; | ||
| function resolveLevel (level) { | ||
| var els = Object.keys(level); | ||
| els.forEach(function(el){ | ||
| if (Array.isArray(level[el])) { | ||
| level[el].forEach(resolveLevel); | ||
| } else { | ||
| if (level[el].constructor.name === 'Object') { | ||
| if (el == 'logo' || el == 'icon') { | ||
| level[el]['#'] = utils.resolve(baseurl, level[el]['#']); | ||
| } else { | ||
| var attrs = Object.keys(level[el]); | ||
| attrs.forEach(function(name){ | ||
| if (name == 'href' || name == 'src' || name == 'uri') { | ||
| level[el][name] = utils.resolve(baseurl, level[el][name]); | ||
| } | ||
| }); | ||
| /** | ||
| * Parses a feed from a file or (for compatability with libxml) a url. | ||
| * See parseString for more info. | ||
| * | ||
| * @param {String} path to the feed file or a fully qualified uri or parsed url object from url.parse() | ||
| * @param {Object} options | ||
| * @param {Function} callback | ||
| * @api public | ||
| */ | ||
| FeedParser.prototype.parseFile = function(file, options, callback) { | ||
| if (/^https?:/.test(file) || (typeof file === 'object' && 'protocol' in file)) { | ||
| return this.parseUrl.call(this, file, options, callback); | ||
| } | ||
| if (arguments.length === 2 && typeof options === 'function') { | ||
| callback = options; | ||
| options = null; | ||
| } | ||
| if (options) { | ||
| if ('normalize' in options) this.options.normalize = options.normalize; | ||
| if ('addmeta' in options) this.options.addmeta = options.addmeta; | ||
| if (options.feedurl) this.xmlbase.unshift({ '#name': 'xml', '#': options.feedurl}); | ||
| } | ||
| this._setCallback(callback); | ||
| fs.createReadStream(file) | ||
| .on('error', this.handleError.bind(this)) | ||
| .pipe(this.stream); | ||
| }; | ||
| /** | ||
| * Parses a feed from a url. | ||
| * | ||
| * Please consider whether it would be better to perform conditional GETs | ||
| * and pass in the results instead. | ||
| * | ||
| * See parseString for more info. | ||
| * | ||
| * @param {String} fully qualified uri or a parsed url object from url.parse() | ||
| * @param {Object} options | ||
| * @param {Function} callback | ||
| * @api public | ||
| */ | ||
| FeedParser.prototype.parseUrl = function(url, options, callback) { | ||
| if (arguments.length === 2 && typeof options === 'function') { | ||
| callback = options; | ||
| options = null; | ||
| } | ||
| if (options) { | ||
| if ('normalize' in options) this.options.normalize = options.normalize; | ||
| if ('addmeta' in options) this.options.addmeta = options.addmeta; | ||
| } | ||
| if (!this.xmlbase.length) { // #parseFile may have already populated this value | ||
| if (/^https?:/.test(url)) { | ||
| this.xmlbase.unshift({ '#name': 'xml', '#': url}); | ||
| } else if (typeof url == 'object' && 'href' in url) { | ||
| this.xmlbase.unshift({ '#name': 'xml', '#': url.href}); | ||
| } | ||
| } | ||
| this._setCallback(callback); | ||
| request(url) | ||
| .on('error', this.handleError.bind(this)) | ||
| .pipe(this.stream); | ||
| }; | ||
| /** | ||
| * Parses a feed from a Stream. | ||
| * | ||
| * Example: | ||
| * fp = new FeedParser(); | ||
| * fp.on('article', function (article){ // do something }); | ||
| * fp.parseStream(fs.createReadStream('file.xml')[, callback]); | ||
| * | ||
| * | ||
| * See parseString for more info. | ||
| * | ||
| * @param {Readable Stream} | ||
| * @param {Object} options | ||
| * @param {Function} callback | ||
| * @api public | ||
| */ | ||
| FeedParser.prototype.parseStream = function(stream, options, callback) { | ||
| if (arguments.length === 2 && typeof options === 'function') { | ||
| callback = options; | ||
| options = null; | ||
| } | ||
| if (options) { | ||
| if ('normalize' in options) this.options.normalize = options.normalize; | ||
| if ('addmeta' in options) this.options.addmeta = options.addmeta; | ||
| if (options.feedurl) this.xmlbase.unshift({ '#name': 'xml', '#': options.feedurl}); | ||
| } | ||
| this._setCallback(callback); | ||
| stream | ||
| .on('error', this.handleError.bind(this)) | ||
| .pipe(this.stream); | ||
| }; | ||
| FeedParser.prototype.handleEnd = function (){ | ||
| this.emit('end', this.articles); | ||
| if ('function' === typeof this.callback) { | ||
| if (this.errors.length) { | ||
| var error = this.errors.pop(); | ||
| if (this.errors.length) { | ||
| error.errors = this.errors; | ||
| } | ||
| this.callback(error); | ||
| } else { | ||
| this.callback(null, this.meta, this.articles); | ||
| } | ||
| } | ||
| this._reset(); | ||
| }; | ||
| FeedParser.prototype.handleSaxError = function (){ | ||
| if (this._parser) { | ||
| this._parser.error = null; | ||
| this._parser.resume(); | ||
| } | ||
| }; | ||
| FeedParser.prototype.handleError = function (next, e){ | ||
| // A SaxError will prepend an error-handling callback, | ||
| // but other calls to #handleError will not | ||
| if (next && !e) { | ||
| e = next; | ||
| next = null; | ||
| } | ||
| // Only emit the error event if we are not using CPS or | ||
| // if we have a listener on 'error' even if we are using CPS | ||
| if (!this.callback || this.listeners('error').length) { | ||
| this.emit('error', e); | ||
| } | ||
| this.errors.push(e); | ||
| if (typeof next === 'function') { | ||
| next(); | ||
| } else { | ||
| this.handleEnd(this); | ||
| } | ||
| }; | ||
| FeedParser.prototype.handleOpenTag = function (node){ | ||
| var n = {}; | ||
| n['#name'] = node.name; // Avoid namespace collissions later... | ||
| n['#prefix'] = node.prefix; // The current ns prefix | ||
| n['#local'] = node.local; // The current element name, sans prefix | ||
| n['#uri'] = node.uri; // The current ns uri | ||
| n['@'] = {}; | ||
| n['#'] = ''; | ||
| if (Object.keys(node.attributes).length) { | ||
| n['@'] = this.handleAttributes(node.attributes, n['#name']); | ||
| } | ||
| if (this.in_xhtml && this.xhtml['#name'] != n['#name']) { // We are in an xhtml node | ||
| // This builds the opening tag, e.g., <div id='foo' class='bar'> | ||
| this.xhtml['#'] += '<'+n['#name']; | ||
| Object.keys(n['@']).forEach(function(name){ | ||
| this.xhtml['#'] += ' '+ name +'="'+ n['@'][name] + '"'; | ||
| }, this); | ||
| this.xhtml['#'] += '>'; | ||
| } else if ( this.stack.length === 0 && | ||
| (n['#name'] === 'rss' || | ||
| (n['#local'] === 'rdf' && utils.nslookup([n['#uri']], 'rdf')) || | ||
| (n['#local'] === 'feed'&& utils.nslookup([n['#uri']], 'atom')) ) ) { | ||
| Object.keys(n['@']).forEach(function(name) { | ||
| var o = {}; | ||
| if (name != 'version') { | ||
| o[name] = n['@'][name]; | ||
| this.meta['@'].push(o); | ||
| } | ||
| }, this); | ||
| switch(n['#local']) { | ||
| case 'rss': | ||
| this.meta['#type'] = 'rss'; | ||
| this.meta['#version'] = n['@']['version']; | ||
| break; | ||
| case 'rdf': | ||
| this.meta['#type'] = 'rdf'; | ||
| this.meta['#version'] = n['@']['version'] || '1.0'; | ||
| break; | ||
| case 'feed': | ||
| this.meta['#type'] = 'atom'; | ||
| this.meta['#version'] = n['@']['version'] || '1.0'; | ||
| break; | ||
| } | ||
| } | ||
| this.stack.unshift(n); | ||
| }; | ||
| FeedParser.prototype.handleCloseTag = function (el){ | ||
| var node = { '#name' : el | ||
| , '#prefix' : '' | ||
| , '#local' : '' } | ||
| , stdEl | ||
| , item | ||
| , baseurl | ||
| ; | ||
| var n = this.stack.shift(); | ||
| el = el.split(':'); | ||
| if (el.length > 1 && el[0] === n['#prefix']) { | ||
| if (utils.nslookup(n['#uri'], 'atom')) { | ||
| node['#prefix'] = el[0]; | ||
| node['#local'] = el.slice(1).join(':'); | ||
| node['#type'] = 'atom'; | ||
| } else if (utils.nslookup(n['#uri'], 'rdf')) { | ||
| node['#prefix'] = el[0]; | ||
| node['#local'] = el.slice(1).join(':'); | ||
| node['#type'] = 'rdf'; | ||
| } else { | ||
| node['#prefix'] = utils.nsprefix(n['#uri']) || n['#prefix']; | ||
| node['#local'] = el.slice(1).join(':'); | ||
| } | ||
| } else { | ||
| node['#local'] = node['#name']; | ||
| node['#type'] = utils.nsprefix(n['#uri']) || n['#prefix']; | ||
| } | ||
| delete n['#name']; | ||
| delete n['#local']; | ||
| delete n['#prefix']; | ||
| delete n['#uri']; | ||
| if (this.xmlbase && this.xmlbase.length) { | ||
| baseurl = this.xmlbase[0]['#']; | ||
| } | ||
| if (baseurl && (node['#local'] === 'logo' || node['#local'] === 'icon') && node['#type'] === 'atom') { | ||
| // Apply xml:base to these elements as they appear | ||
| // rather than leaving it to the ultimate parser | ||
| n['#'] = utils.resolve(baseurl, n['#']); | ||
| } | ||
| if (this.xmlbase.length && (el == this.xmlbase[0]['#name'])) { | ||
| void this.xmlbase.shift(); | ||
| } | ||
| if (this.in_xhtml) { | ||
| if (node['#name'] == this.xhtml['#name']) { // The end of the XHTML | ||
| // Add xhtml data to the container element | ||
| n['#'] += this.xhtml['#'].trim(); | ||
| // Clear xhtml nodes from the tree | ||
| for (var key in n) { | ||
| if (key != '@' && key != '#') { | ||
| delete n[key]; | ||
| } | ||
| } | ||
| this.xhtml = {}; | ||
| this.in_xhtml = false; | ||
| } else { // Somewhere in the middle of the XHTML | ||
| this.xhtml['#'] += '</' + node['#name'] + '>'; | ||
| } | ||
| } | ||
| if ('#' in n) { | ||
| if (n['#'].match(/^\s*$/)) { | ||
| // Delete text nodes with nothing by whitespace | ||
| delete n['#']; | ||
| } else { | ||
| n['#'] = n['#'].trim(); | ||
| if (Object.keys(n).length === 1) { | ||
| // If there is only one text node, hoist it | ||
| n = n['#']; | ||
| } | ||
| }); | ||
| return level; | ||
| } | ||
| } | ||
| return resolveLevel(node); | ||
| } | ||
| if (node['#name'] === 'item' || | ||
| node['#name'] === 'entry' || | ||
| (node['#local'] === 'item' && (node['#prefix'] === '' || node['#type'] === 'rdf')) || | ||
| (node['#local'] == 'entry' && (node['#prefix'] === '' || node['#type'] === 'atom'))) { // We have an article! | ||
| function handleAttributes (attrs, el) { | ||
| if (!this.meta.title) { // We haven't yet parsed all the metadata | ||
| utils.merge(this.meta, this.handleMeta(this.stack[0], this.meta['#type'], this.options)); | ||
| this.emit('meta', this.meta); | ||
| } | ||
| if (!baseurl && this.xmlbase && this.xmlbase.length) { // handleMeta was able to infer a baseurl without xml:base or options.feedurl | ||
| n = utils.reresolve(n, this.xmlbase[0]['#']); | ||
| } | ||
| item = this.handleItem(n, this.meta['#type'], this.options); | ||
| if (this.options.addmeta) { | ||
| item.meta = this.meta; | ||
| } | ||
| if (this.meta.author && !item.author) item.author = this.meta.author; | ||
| this.emit('article', item); | ||
| this.articles.push(item); | ||
| } else if (!this.meta.title && // We haven't yet parsed all the metadata | ||
| (node['#name'] === 'channel' || | ||
| node['#name'] === 'feed' || | ||
| (node['#local'] === 'channel' && (node['#prefix'] === '' || node['#type'] === 'rdf')) || | ||
| (node['#local'] === 'feed' && (node['#prefix'] === '' || node['#type'] === 'atom')) ) ) { | ||
| utils.merge(this.meta, this.handleMeta(n, this.meta['#type'], this.options)); | ||
| this.emit('meta', this.meta); | ||
| } | ||
| if (this.stack.length > 0) { | ||
| if (node['#prefix'] && node['#local'] && !node['#type']) { | ||
| stdEl = node['#prefix'] + ':' + node['#local']; | ||
| } else { | ||
| stdEl = node['#local'] || node['#name']; | ||
| } | ||
| if (!this.stack[0].hasOwnProperty(stdEl)) { | ||
| this.stack[0][stdEl] = n; | ||
| } else if (this.stack[0][stdEl] instanceof Array) { | ||
| this.stack[0][stdEl].push(n); | ||
| } else { | ||
| this.stack[0][stdEl] = [this.stack[0][stdEl], n]; | ||
| } | ||
| } else { | ||
| this.nodes = n; | ||
| } | ||
| }; | ||
| FeedParser.prototype.handleText = function (text){ | ||
| if (this.in_xhtml) { | ||
| this.xhtml['#'] += text; | ||
| } else { | ||
| if (this.stack.length) { | ||
| if ('#' in this.stack[0]) { | ||
| this.stack[0]['#'] += text; | ||
| } else { | ||
| this.stack[0]['#'] = text; | ||
| } | ||
| } | ||
| } | ||
| }; | ||
| FeedParser.prototype.handleAttributes = function handleAttributes (attrs, el) { | ||
| /* | ||
@@ -65,9 +452,8 @@ * Using the sax.js option { xmlns: true } | ||
| var parser = this | ||
| , basepath = '' | ||
| var basepath = '' | ||
| , simplifiedAttributes = {} | ||
| ; | ||
| if (parser.xmlbase && parser.xmlbase.length) { | ||
| basepath = parser.xmlbase[0]['#']; | ||
| if (this.xmlbase && this.xmlbase.length) { | ||
| basepath = this.xmlbase[0]['#']; | ||
| } | ||
@@ -82,3 +468,3 @@ | ||
| ns[attr.name] = attr.value; | ||
| parser.meta['#ns'].push(ns); | ||
| this.meta['#ns'].push(ns); | ||
| } | ||
@@ -99,17 +485,16 @@ // If the feed is using a non-default prefix, we'll use it, too | ||
| } | ||
| parser.xmlbase.unshift({ '#name': el, '#': attr.value}); | ||
| this.xmlbase.unshift({ '#name': el, '#': attr.value}); | ||
| } else if (attr.name === 'type' && attr.value === 'xhtml') { | ||
| parser.in_xhtml = true; | ||
| parser.xhtml = {'#name': el, '#': ''}; | ||
| this.in_xhtml = true; | ||
| this.xhtml = {'#name': el, '#': ''}; | ||
| } | ||
| simplifiedAttributes[prefix + attr.local] = attr.value ? attr.value.trim() : ''; | ||
| }); | ||
| }, this); | ||
| return simplifiedAttributes; | ||
| } | ||
| }; | ||
| function handleMeta (node, type, options) { | ||
| FeedParser.prototype.handleMeta = function handleMeta (node, type, options) { | ||
| if (!type || !node) return {}; | ||
| var parser = this | ||
| , meta = {} | ||
| var meta = {} | ||
| , normalize = !options || (options && options.normalize) | ||
@@ -161,5 +546,5 @@ ; | ||
| meta.xmlurl = meta.xmlUrl = link['@']['href']; | ||
| if (parser.xmlbase && parser.xmlbase.length === 0) { | ||
| parser.xmlbase.unshift({ '#name': 'xml', '#': meta.xmlurl}); | ||
| parser.stack[0] = reresolve(parser.stack[0], meta.xmlurl); | ||
| if (this.xmlbase && this.xmlbase.length === 0) { | ||
| this.xmlbase.unshift({ '#name': 'xml', '#': meta.xmlurl}); | ||
| this.stack[0] = utils.reresolve(this.stack[0], meta.xmlurl); | ||
| } | ||
@@ -173,3 +558,3 @@ } | ||
| } | ||
| }); | ||
| }, this); | ||
| } else { | ||
@@ -181,5 +566,5 @@ if (el['@']['href']) { // Atom | ||
| meta.xmlurl = meta.xmlUrl = el['@']['href']; | ||
| if (parser.xmlbase && parser.xmlbase.length === 0) { | ||
| parser.xmlbase.unshift({ '#name': 'xml', '#': meta.xmlurl}); | ||
| parser.stack[0] = reresolve(parser.stack[0], meta.xmlurl); | ||
| if (this.xmlbase && this.xmlbase.length === 0) { | ||
| this.xmlbase.unshift({ '#name': 'xml', '#': meta.xmlurl}); | ||
| this.stack[0] = utils.reresolve(this.stack[0], meta.xmlurl); | ||
| } | ||
@@ -302,3 +687,3 @@ } | ||
| } | ||
| }); // forEach end | ||
| }, this); // forEach end | ||
@@ -349,5 +734,5 @@ if (normalize) { | ||
| return meta; | ||
| } | ||
| }; | ||
| function handleItem (node, type, options){ | ||
| FeedParser.prototype.handleItem = function handleItem (node, type, options){ | ||
| if (!type || !node) return {}; | ||
@@ -586,425 +971,4 @@ | ||
| return item; | ||
| } | ||
| /** | ||
| * FeedParser constructor. Most apps will only use one instance. | ||
| * | ||
| * @api public | ||
| */ | ||
| function FeedParser (options) { | ||
| var parser = this; | ||
| parser._reset(); | ||
| parser.options = options || {}; | ||
| if (!('strict' in parser.options)) parser.options.strict = false; | ||
| if (!('normalize' in parser.options)) parser.options.normalize = true; | ||
| if (!('addmeta' in parser.options)) parser.options.addmeta = true; | ||
| if (parser.options.feedurl) parser.xmlbase.unshift({ '#name': 'xml', '#': parser.options.feedurl}); | ||
| parser.stream = sax.createStream(parser.options.strict /* strict mode - no by default */, {lowercase: true, xmlns: true }); // https://github.com/isaacs/sax-js | ||
| parser.stream.on('error', function (e){ parser.handleSaxError(e, parser); }); | ||
| parser.stream.on('opentag', function (n){ parser.handleOpenTag(n, parser); }); | ||
| parser.stream.on('closetag', function (el){ parser.handleCloseTag(el, parser); }); | ||
| parser.stream.on('text', function (text){ parser.handleText(text, parser); }); | ||
| parser.stream.on('cdata', function (text){ parser.handleText(text, parser); }); | ||
| parser.stream.on('end', function (){ parser.handleEnd(parser); }); | ||
| EventEmitter.call(parser); | ||
| } | ||
| util.inherits(FeedParser, EventEmitter); | ||
| /** | ||
| * Parses a feed contained in a string. | ||
| * | ||
| * For each article/post in a feed, emits an 'article' event | ||
| * with an object with the following keys: | ||
| * title {String} | ||
| * description {String} | ||
| * summary {String} | ||
| * date {Date} (or null) | ||
| * pubdate {Date} (or null) | ||
| * link {String} | ||
| * origlink {String} | ||
| * author {String} | ||
| * guid {String} | ||
| * comments {String} | ||
| * image {Object} | ||
| * categories {Array} | ||
| * source {Object} | ||
| * enclosures {Array} | ||
| * meta {Object} | ||
| * Object.keys(meta): | ||
| * #ns {Array} key,value pairs of each namespace declared for the feed | ||
| * #type {String} one of 'atom', 'rss', 'rdf' | ||
| * #version {String} | ||
| * title {String} | ||
| * description {String} | ||
| * date {Date} (or null) | ||
| * pubdate {Date} (or null) | ||
| * link {String} i.e., to the website, not the feed | ||
| * xmlurl {String} the canonical URL of the feed, as declared by the feed | ||
| * author {String} | ||
| * language {String} | ||
| * image {Object} | ||
| * favicon {String} | ||
| * copyright {String} | ||
| * generator {String} | ||
| * categories {Array} | ||
| * | ||
| * Emits a 'warning' event on each XML parser warning | ||
| * | ||
| * Emits an 'error' event on each XML parser error | ||
| * | ||
| * @param {String} string of XML representing the feed | ||
| * @param {Function} callback | ||
| * @api public | ||
| */ | ||
| FeedParser.prototype.parseString = function(string, options, callback) { | ||
| var parser = this; | ||
| if (arguments.length === 2 && typeof options === 'function') { | ||
| callback = options; | ||
| options = null; | ||
| } | ||
| if (options) { | ||
| if ('normalize' in options) parser.options.normalize = options.normalize; | ||
| if ('addmeta' in options) parser.options.addmeta = options.addmeta; | ||
| if (options.feedurl) parser.xmlbase.unshift({ '#name': 'xml', '#': options.feedurl}); | ||
| } | ||
| parser._setCallback(callback); | ||
| parser.stream | ||
| .end(string, 'utf8'); | ||
| }; | ||
| /** | ||
| * Parses a feed from a file or (for compatability with libxml) a url. | ||
| * See parseString for more info. | ||
| * | ||
| * @param {String} path to the feed file or a fully qualified uri or parsed url object from url.parse() | ||
| * @param {Function} callback | ||
| * @api public | ||
| */ | ||
| FeedParser.prototype.parseFile = function(file, options, callback) { | ||
| var parser = this; | ||
| if (arguments.length === 2 && typeof options === 'function') { | ||
| callback = options; | ||
| options = null; | ||
| } | ||
| if (options) { | ||
| if ('normalize' in options) parser.options.normalize = options.normalize; | ||
| if ('addmeta' in options) parser.options.addmeta = options.addmeta; | ||
| if (options.feedurl) parser.xmlbase.unshift({ '#name': 'xml', '#': options.feedurl}); | ||
| } | ||
| if (/^https?:/.test(file) || (typeof file == 'object' && 'protocol' in file)) { | ||
| parser.parseUrl(file, callback); | ||
| } else { | ||
| parser._setCallback(callback); | ||
| fs.createReadStream(file) | ||
| .on('error', function (e){ parser.handleError(e, parser); }) | ||
| .pipe(parser.stream); | ||
| } | ||
| }; | ||
| /** | ||
| * Parses a feed from a url. | ||
| * | ||
| * Please consider whether it would be better to perform conditional GETs | ||
| * and pass in the results instead. | ||
| * | ||
| * See parseString for more info. | ||
| * | ||
| * @param {String} fully qualified uri or a parsed url object from url.parse() | ||
| * @param {Function} callback | ||
| * @api public | ||
| */ | ||
| FeedParser.prototype.parseUrl = function(url, options, callback) { | ||
| var parser = this; | ||
| if (arguments.length === 2 && typeof options === 'function') { | ||
| callback = options; | ||
| options = null; | ||
| } | ||
| if (options) { | ||
| if ('normalize' in options) parser.options.normalize = options.normalize; | ||
| if ('addmeta' in options) parser.options.addmeta = options.addmeta; | ||
| } | ||
| if (!parser.xmlbase.length) { // #parseFile may have already populated this value | ||
| if (/^https?:/.test(url)) { | ||
| parser.xmlbase.unshift({ '#name': 'xml', '#': url}); | ||
| } else if (typeof url == 'object' && 'href' in url) { | ||
| parser.xmlbase.unshift({ '#name': 'xml', '#': url.href}); | ||
| } | ||
| } | ||
| parser._setCallback(callback); | ||
| request(url) | ||
| .on('error', function (e){ parser.handleError(e, parser); }) | ||
| .pipe(parser.stream); | ||
| }; | ||
| /** | ||
| * Parses a feed from a Stream. | ||
| * | ||
| * Example: | ||
| * fp = new FeedParser(); | ||
| * fp.on('article', function (article){ // do something }); | ||
| * fp.parseStream(fs.createReadStream('file.xml')[, callback]); | ||
| * | ||
| * | ||
| * See parseString for more info. | ||
| * | ||
| * @param {Readable Stream} | ||
| * @param {Function} callback | ||
| * @api public | ||
| */ | ||
| FeedParser.prototype.parseStream = function(stream, options, callback) { | ||
| var parser = this; | ||
| if (arguments.length === 2 && typeof options === 'function') { | ||
| callback = options; | ||
| options = null; | ||
| } | ||
| if (options) { | ||
| if ('normalize' in options) parser.options.normalize = options.normalize; | ||
| if ('addmeta' in options) parser.options.addmeta = options.addmeta; | ||
| if (options.feedurl) parser.xmlbase.unshift({ '#name': 'xml', '#': options.feedurl}); | ||
| } | ||
| parser._setCallback(callback); | ||
| stream | ||
| .on('error', function (e){ parser.handleError(e, parser); }) | ||
| .pipe(parser.stream); | ||
| }; | ||
| FeedParser.prototype.handleEnd = function (scope){ | ||
| var parser = scope; | ||
| parser.emit('end', parser.articles); | ||
| if ('function' == typeof parser.callback) { | ||
| if (parser.errors.length) { | ||
| var error = parser.errors.pop(); | ||
| if (parser.errors.length) { | ||
| error.errors = parser.errors; | ||
| } | ||
| parser.callback(error); | ||
| } else { | ||
| parser.callback(null, parser.meta, parser.articles); | ||
| } | ||
| } | ||
| parser._reset(); | ||
| }; | ||
| FeedParser.prototype.handleSaxError = function (e, scope){ | ||
| var parser = scope; | ||
| parser.handleError(e, parser, function(){ | ||
| if (parser._parser) { | ||
| parser._parser.error = null; | ||
| parser._parser.resume(); | ||
| } | ||
| }); | ||
| }; | ||
| FeedParser.prototype.handleError = function (e, scope, next){ | ||
| var parser = scope; | ||
| // Only emit the error event if we are not using CPS or | ||
| // if we have a listener on 'error' even if we are using CPS | ||
| if (!parser.callback || parser.listeners('error').length) { | ||
| parser.emit('error', e); | ||
| } | ||
| parser.errors.push(e); | ||
| if (typeof next === 'function') { | ||
| next(); | ||
| } else { | ||
| parser.handleEnd(parser); | ||
| } | ||
| }; | ||
| FeedParser.prototype.handleOpenTag = function (node, scope){ | ||
| var parser = scope; | ||
| var n = {}; | ||
| n['#name'] = node.name; // Avoid namespace collissions later... | ||
| n['#prefix'] = node.prefix; // The current ns prefix | ||
| n['#local'] = node.local; // The current element name, sans prefix | ||
| n['#uri'] = node.uri; // The current ns uri | ||
| n['@'] = {}; | ||
| n['#'] = ''; | ||
| if (Object.keys(node.attributes).length) { | ||
| n['@'] = handleAttributes.call(parser, node.attributes, n['#name']); | ||
| } | ||
| if (parser.in_xhtml && parser.xhtml['#name'] != n['#name']) { // We are in an xhtml node | ||
| // This builds the opening tag, e.g., <div id='foo' class='bar'> | ||
| parser.xhtml['#'] += '<'+n['#name']; | ||
| Object.keys(n['@']).forEach(function(name){ | ||
| parser.xhtml['#'] += ' '+ name +'="'+ n['@'][name] + '"'; | ||
| }); | ||
| parser.xhtml['#'] += '>'; | ||
| } else if ( parser.stack.length === 0 && | ||
| (n['#name'] === 'rss' || | ||
| (n['#local'] === 'rdf' && utils.nslookup([n['#uri']], 'rdf')) || | ||
| (n['#local'] === 'feed'&& utils.nslookup([n['#uri']], 'atom')) ) ) { | ||
| Object.keys(n['@']).forEach(function(name) { | ||
| var o = {}; | ||
| if (name != 'version') { | ||
| o[name] = n['@'][name]; | ||
| parser.meta['@'].push(o); | ||
| } | ||
| }); | ||
| switch(n['#local']) { | ||
| case 'rss': | ||
| parser.meta['#type'] = 'rss'; | ||
| parser.meta['#version'] = n['@']['version']; | ||
| break; | ||
| case 'rdf': | ||
| parser.meta['#type'] = 'rdf'; | ||
| parser.meta['#version'] = n['@']['version'] || '1.0'; | ||
| break; | ||
| case 'feed': | ||
| parser.meta['#type'] = 'atom'; | ||
| parser.meta['#version'] = n['@']['version'] || '1.0'; | ||
| break; | ||
| } | ||
| } | ||
| parser.stack.unshift(n); | ||
| }; | ||
| FeedParser.prototype.handleCloseTag = function (el, scope){ | ||
| var parser = scope | ||
| , node = { '#name' : el | ||
| , '#prefix' : '' | ||
| , '#local' : '' } | ||
| , stdEl | ||
| , item | ||
| , baseurl | ||
| ; | ||
| var n = parser.stack.shift(); | ||
| el = el.split(':'); | ||
| if (el.length > 1 && el[0] === n['#prefix']) { | ||
| if (utils.nslookup(n['#uri'], 'atom')) { | ||
| node['#prefix'] = el[0]; | ||
| node['#local'] = el.slice(1).join(':'); | ||
| node['#type'] = 'atom'; | ||
| } else if (utils.nslookup(n['#uri'], 'rdf')) { | ||
| node['#prefix'] = el[0]; | ||
| node['#local'] = el.slice(1).join(':'); | ||
| node['#type'] = 'rdf'; | ||
| } else { | ||
| node['#prefix'] = utils.nsprefix(n['#uri']) || n['#prefix']; | ||
| node['#local'] = el.slice(1).join(':'); | ||
| } | ||
| } else { | ||
| node['#local'] = node['#name']; | ||
| node['#type'] = utils.nsprefix(n['#uri']) || n['#prefix']; | ||
| } | ||
| delete n['#name']; | ||
| delete n['#local']; | ||
| delete n['#prefix']; | ||
| delete n['#uri']; | ||
| if (parser.xmlbase && parser.xmlbase.length) { | ||
| baseurl = parser.xmlbase[0]['#']; | ||
| } | ||
| if (baseurl && (node['#local'] === 'logo' || node['#local'] === 'icon') && node['#type'] === 'atom') { | ||
| // Apply xml:base to these elements as they appear | ||
| // rather than leaving it to the ultimate parser | ||
| n['#'] = utils.resolve(baseurl, n['#']); | ||
| } | ||
| if (parser.xmlbase.length && (el == parser.xmlbase[0]['#name'])) { | ||
| void parser.xmlbase.shift(); | ||
| } | ||
| if (parser.in_xhtml) { | ||
| if (node['#name'] == parser.xhtml['#name']) { // The end of the XHTML | ||
| // Add xhtml data to the container element | ||
| n['#'] += parser.xhtml['#'].trim(); | ||
| // Clear xhtml nodes from the tree | ||
| for (var key in n) { | ||
| if (key != '@' && key != '#') { | ||
| delete n[key]; | ||
| } | ||
| } | ||
| parser.xhtml = {}; | ||
| parser.in_xhtml = false; | ||
| } else { // Somewhere in the middle of the XHTML | ||
| parser.xhtml['#'] += '</' + node['#name'] + '>'; | ||
| } | ||
| } | ||
| if ('#' in n) { | ||
| if (n['#'].match(/^\s*$/)) { | ||
| // Delete text nodes with nothing by whitespace | ||
| delete n['#']; | ||
| } else { | ||
| n['#'] = n['#'].trim(); | ||
| if (Object.keys(n).length === 1) { | ||
| // If there is only one text node, hoist it | ||
| n = n['#']; | ||
| } | ||
| } | ||
| } | ||
| if (node['#name'] === 'item' || | ||
| node['#name'] === 'entry' || | ||
| (node['#local'] === 'item' && (node['#prefix'] === '' || node['#type'] === 'rdf')) || | ||
| (node['#local'] == 'entry' && (node['#prefix'] === '' || node['#type'] === 'atom'))) { // We have an article! | ||
| if (!parser.meta.title) { // We haven't yet parsed all the metadata | ||
| utils.merge(parser.meta, handleMeta.call(parser, parser.stack[0], parser.meta['#type'], parser.options)); | ||
| parser.emit('meta', parser.meta); | ||
| } | ||
| if (!baseurl && parser.xmlbase && parser.xmlbase.length) { // handleMeta was able to infer a baseurl without xml:base or options.feedurl | ||
| n = reresolve(n, parser.xmlbase[0]['#']); | ||
| } | ||
| item = handleItem(n, parser.meta['#type'], parser.options); | ||
| if (parser.options.addmeta) { | ||
| item.meta = parser.meta; | ||
| } | ||
| if (parser.meta.author && !item.author) item.author = parser.meta.author; | ||
| parser.emit('article', item); | ||
| parser.articles.push(item); | ||
| } else if (!parser.meta.title && // We haven't yet parsed all the metadata | ||
| (node['#name'] === 'channel' || | ||
| node['#name'] === 'feed' || | ||
| (node['#local'] === 'channel' && (node['#prefix'] === '' || node['#type'] === 'rdf')) || | ||
| (node['#local'] === 'feed' && (node['#prefix'] === '' || node['#type'] === 'atom')) ) ) { | ||
| utils.merge(parser.meta, handleMeta(n, parser.meta['#type'], parser.options)); | ||
| parser.emit('meta', parser.meta); | ||
| } | ||
| if (parser.stack.length > 0) { | ||
| if (node['#prefix'] && node['#local'] && !node['#type']) { | ||
| stdEl = node['#prefix'] + ':' + node['#local']; | ||
| } else { | ||
| stdEl = node['#local'] || node['#name']; | ||
| } | ||
| if (!parser.stack[0].hasOwnProperty(stdEl)) { | ||
| parser.stack[0][stdEl] = n; | ||
| } else if (parser.stack[0][stdEl] instanceof Array) { | ||
| parser.stack[0][stdEl].push(n); | ||
| } else { | ||
| parser.stack[0][stdEl] = [parser.stack[0][stdEl], n]; | ||
| } | ||
| } else { | ||
| parser.nodes = n; | ||
| } | ||
| }; | ||
| FeedParser.prototype.handleText = function (text, scope){ | ||
| var parser = scope; | ||
| if (parser.in_xhtml) { | ||
| parser.xhtml['#'] += text; | ||
| } else { | ||
| if (parser.stack.length) { | ||
| if ('#' in parser.stack[0]) { | ||
| parser.stack[0]['#'] += text; | ||
| } else { | ||
| parser.stack[0]['#'] = text; | ||
| } | ||
| } | ||
| } | ||
| }; | ||
| FeedParser.prototype._reset = function (){ | ||
@@ -1031,1 +995,16 @@ this.meta = {}; | ||
| exports = module.exports = FeedParser; | ||
| exports.parseString = parseStatic.bind(null, 'parseString'); | ||
| exports.parseFile = parseStatic.bind(null, 'parseFile'); | ||
| exports.parseUrl = parseStatic.bind(null, 'parseUrl'); | ||
| exports.parseStream = parseStatic.bind(null, 'parseStream'); | ||
| function parseStatic (method, feed, options, callback) { | ||
| options = options || {}; | ||
| if ('function' === typeof options) { | ||
| callback = options; | ||
| options = {}; | ||
| } | ||
| var parser = new FeedParser (options); | ||
| parser[method](feed, options, callback); | ||
| } |
| { "name" : "feedparser" | ||
| , "author" : "Dan MacTough <danmactough@gmail.com>" | ||
| , "description" : "Robust RSS Atom and RDF feed parsing using sax js" | ||
| , "version": "0.10.1" | ||
| , "version": "0.10.2" | ||
| , "keywords" : ["rss", "feed", "atom", "rdf", "xml", "syndication"] | ||
@@ -6,0 +6,0 @@ , "homepage" : "http://github.com/danmactough/node-feedparser" |
42
utils.js
@@ -95,2 +95,5 @@ | ||
| /* | ||
| * Expose require('url').resolve | ||
| */ | ||
| function resolve (baseUrl, pathUrl) { | ||
@@ -123,1 +126,40 @@ return URL.resolve(baseUrl, pathUrl); | ||
| exports.nsprefix = nsprefix; | ||
| /* | ||
| * Walk a node and re-resolve the urls using the given baseurl | ||
| * | ||
| * @param {Object} node | ||
| * @param {String} baseurl | ||
| * @return {Object} modified node | ||
| */ | ||
| function reresolve (node, baseurl) { | ||
| if (!node || !baseurl) { | ||
| return false; // Nothing to do. | ||
| } | ||
| function resolveLevel (level) { | ||
| var els = Object.keys(level); | ||
| els.forEach(function(el){ | ||
| if (Array.isArray(level[el])) { | ||
| level[el].forEach(resolveLevel); | ||
| } else { | ||
| if (level[el].constructor.name === 'Object') { | ||
| if (el == 'logo' || el == 'icon') { | ||
| level[el]['#'] = URL.resolve(baseurl, level[el]['#']); | ||
| } else { | ||
| var attrs = Object.keys(level[el]); | ||
| attrs.forEach(function(name){ | ||
| if (name == 'href' || name == 'src' || name == 'uri') { | ||
| level[el][name] = URL.resolve(baseurl, level[el][name]); | ||
| } | ||
| }); | ||
| } | ||
| } | ||
| } | ||
| }); | ||
| return level; | ||
| } | ||
| return resolveLevel(node); | ||
| } | ||
| exports.reresolve = reresolve; |
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