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352
public/tinymce/classes/util/URI.js
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352
public/tinymce/classes/util/URI.js
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/**
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* URI.js
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*
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* Copyright, Moxiecode Systems AB
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* Released under LGPL License.
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*
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* License: http://www.tinymce.com/license
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* Contributing: http://www.tinymce.com/contributing
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*/
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/**
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* This class handles parsing, modification and serialization of URI/URL strings.
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* @class tinymce.util.URI
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*/
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define("tinymce/util/URI", [
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"tinymce/util/Tools"
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], function(Tools) {
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var each = Tools.each, trim = Tools.trim;
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/**
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* Constructs a new URI instance.
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*
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* @constructor
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* @method URI
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* @param {String} url URI string to parse.
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* @param {Object} settings Optional settings object.
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*/
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function URI(url, settings) {
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var self = this, baseUri, base_url;
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// Trim whitespace
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url = trim(url);
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// Default settings
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settings = self.settings = settings || {};
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// Strange app protocol that isn't http/https or local anchor
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// For example: mailto,skype,tel etc.
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if (/^([\w\-]+):([^\/]{2})/i.test(url) || /^\s*#/.test(url)) {
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self.source = url;
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return;
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}
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// Absolute path with no host, fake host and protocol
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if (url.indexOf('/') === 0 && url.indexOf('//') !== 0) {
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url = (settings.base_uri ? settings.base_uri.protocol || 'http' : 'http') + '://mce_host' + url;
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}
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// Relative path http:// or protocol relative //path
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if (!/^[\w\-]*:?\/\//.test(url)) {
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base_url = settings.base_uri ? settings.base_uri.path : new URI(location.href).directory;
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url = ((settings.base_uri && settings.base_uri.protocol) || 'http') + '://mce_host' + self.toAbsPath(base_url, url);
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}
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// Parse URL (Credits goes to Steave, http://blog.stevenlevithan.com/archives/parseuri)
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url = url.replace(/@@/g, '(mce_at)'); // Zope 3 workaround, they use @@something
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/*jshint maxlen: 255 */
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url = /^(?:(?![^:@]+:[^:@\/]*@)([^:\/?#.]+):)?(?:\/\/)?((?:(([^:@\/]*):?([^:@\/]*))?@)?([^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/.exec(url);
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each(["source","protocol","authority","userInfo","user","password","host","port","relative","path","directory","file","query","anchor"], function(v, i) {
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var part = url[i];
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// Zope 3 workaround, they use @@something
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if (part) {
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part = part.replace(/\(mce_at\)/g, '@@');
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}
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self[v] = part;
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});
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baseUri = settings.base_uri;
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if (baseUri) {
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if (!self.protocol) {
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self.protocol = baseUri.protocol;
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}
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if (!self.userInfo) {
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self.userInfo = baseUri.userInfo;
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}
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if (!self.port && self.host === 'mce_host') {
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self.port = baseUri.port;
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}
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if (!self.host || self.host === 'mce_host') {
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self.host = baseUri.host;
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}
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self.source = '';
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}
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//t.path = t.path || '/';
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}
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URI.prototype = {
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/**
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* Sets the internal path part of the URI.
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*
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* @method setPath
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* @param {string} path Path string to set.
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*/
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setPath: function(path) {
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var self = this;
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path = /^(.*?)\/?(\w+)?$/.exec(path);
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// Update path parts
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self.path = path[0];
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self.directory = path[1];
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self.file = path[2];
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// Rebuild source
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self.source = '';
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self.getURI();
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},
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/**
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* Converts the specified URI into a relative URI based on the current URI instance location.
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*
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* @method toRelative
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* @param {String} uri URI to convert into a relative path/URI.
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* @return {String} Relative URI from the point specified in the current URI instance.
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* @example
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* // Converts an absolute URL to an relative URL url will be somedir/somefile.htm
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* var url = new tinymce.util.URI('http://www.site.com/dir/').toRelative('http://www.site.com/dir/somedir/somefile.htm');
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*/
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toRelative: function(uri) {
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var self = this, output;
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if (uri === "./") {
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return uri;
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}
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uri = new URI(uri, {base_uri: self});
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// Not on same domain/port or protocol
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if ((uri.host != 'mce_host' && self.host != uri.host && uri.host) || self.port != uri.port || self.protocol != uri.protocol) {
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return uri.getURI();
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}
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var tu = self.getURI(), uu = uri.getURI();
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// Allow usage of the base_uri when relative_urls = true
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if(tu == uu || (tu.charAt(tu.length - 1) == "/" && tu.substr(0, tu.length - 1) == uu)) {
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return tu;
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}
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output = self.toRelPath(self.path, uri.path);
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// Add query
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if (uri.query) {
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output += '?' + uri.query;
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}
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// Add anchor
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if (uri.anchor) {
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output += '#' + uri.anchor;
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}
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return output;
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},
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/**
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* Converts the specified URI into a absolute URI based on the current URI instance location.
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*
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* @method toAbsolute
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* @param {String} uri URI to convert into a relative path/URI.
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* @param {Boolean} noHost No host and protocol prefix.
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* @return {String} Absolute URI from the point specified in the current URI instance.
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* @example
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* // Converts an relative URL to an absolute URL url will be http://www.site.com/dir/somedir/somefile.htm
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* var url = new tinymce.util.URI('http://www.site.com/dir/').toAbsolute('somedir/somefile.htm');
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*/
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toAbsolute: function(uri, noHost) {
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uri = new URI(uri, {base_uri: this});
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return uri.getURI(this.host == uri.host && this.protocol == uri.protocol ? noHost : 0);
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},
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/**
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* Converts a absolute path into a relative path.
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*
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* @method toRelPath
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* @param {String} base Base point to convert the path from.
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* @param {String} path Absolute path to convert into a relative path.
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*/
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toRelPath: function(base, path) {
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var items, breakPoint = 0, out = '', i, l;
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// Split the paths
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base = base.substring(0, base.lastIndexOf('/'));
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base = base.split('/');
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items = path.split('/');
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if (base.length >= items.length) {
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for (i = 0, l = base.length; i < l; i++) {
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if (i >= items.length || base[i] != items[i]) {
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breakPoint = i + 1;
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break;
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}
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}
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}
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if (base.length < items.length) {
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for (i = 0, l = items.length; i < l; i++) {
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if (i >= base.length || base[i] != items[i]) {
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breakPoint = i + 1;
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break;
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}
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}
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}
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if (breakPoint === 1) {
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return path;
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}
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for (i = 0, l = base.length - (breakPoint - 1); i < l; i++) {
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out += "../";
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}
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for (i = breakPoint - 1, l = items.length; i < l; i++) {
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if (i != breakPoint - 1) {
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out += "/" + items[i];
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} else {
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out += items[i];
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}
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}
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return out;
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},
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/**
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* Converts a relative path into a absolute path.
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*
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* @method toAbsPath
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* @param {String} base Base point to convert the path from.
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* @param {String} path Relative path to convert into an absolute path.
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*/
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toAbsPath: function(base, path) {
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var i, nb = 0, o = [], tr, outPath;
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// Split paths
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tr = /\/$/.test(path) ? '/' : '';
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base = base.split('/');
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path = path.split('/');
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// Remove empty chunks
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each(base, function(k) {
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if (k) {
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o.push(k);
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}
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});
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base = o;
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// Merge relURLParts chunks
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for (i = path.length - 1, o = []; i >= 0; i--) {
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// Ignore empty or .
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if (path[i].length === 0 || path[i] === ".") {
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continue;
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}
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// Is parent
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if (path[i] === '..') {
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nb++;
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continue;
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}
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// Move up
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if (nb > 0) {
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nb--;
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continue;
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}
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o.push(path[i]);
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}
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i = base.length - nb;
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// If /a/b/c or /
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if (i <= 0) {
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outPath = o.reverse().join('/');
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} else {
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outPath = base.slice(0, i).join('/') + '/' + o.reverse().join('/');
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}
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// Add front / if it's needed
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if (outPath.indexOf('/') !== 0) {
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outPath = '/' + outPath;
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}
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// Add traling / if it's needed
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if (tr && outPath.lastIndexOf('/') !== outPath.length - 1) {
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outPath += tr;
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}
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return outPath;
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},
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/**
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* Returns the full URI of the internal structure.
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*
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* @method getURI
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* @param {Boolean} noProtoHost Optional no host and protocol part. Defaults to false.
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*/
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getURI: function(noProtoHost) {
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var s, self = this;
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// Rebuild source
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if (!self.source || noProtoHost) {
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s = '';
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if (!noProtoHost) {
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if (self.protocol) {
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s += self.protocol + '://';
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}
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if (self.userInfo) {
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s += self.userInfo + '@';
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}
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if (self.host) {
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s += self.host;
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}
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if (self.port) {
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s += ':' + self.port;
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}
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}
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if (self.path) {
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s += self.path;
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}
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if (self.query) {
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s += '?' + self.query;
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}
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if (self.anchor) {
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s += '#' + self.anchor;
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}
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self.source = s;
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}
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return self.source;
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}
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};
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return URI;
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});
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