393 lines
No EOL
11 KiB
JavaScript
393 lines
No EOL
11 KiB
JavaScript
{
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"translatorID": "e7e01cac-1e37-4da6-b078-a0e8343b0e98",
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"label": "unAPI",
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"creator": "Simon Kornblith",
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"target": "",
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"minVersion": "2.1",
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"maxVersion": "",
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"priority": 200,
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"inRepository": true,
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"translatorType": 4,
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"browserSupport": "gcs",
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"lastUpdated": "2011-08-26 18:39:33"
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}
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var RECOGNIZABLE_FORMATS = ["rdf_zotero", "rdf_bibliontology", "mods", "marc", "unimarc", "ris",
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"refer", "bibtex", "rdf_dc"];
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var FORMAT_GUIDS = {
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"rdf_zotero":"5e3ad958-ac79-463d-812b-a86a9235c28f",
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"rdf_bibliontology":"14763d25-8ba0-45df-8f52-b8d1108e7ac9",
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"mods":"0e2235e7-babf-413c-9acf-f27cce5f059c",
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"marc":"a6ee60df-1ddc-4aae-bb25-45e0537be973",
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"unimarc":"a6ee60df-1ddc-4aae-bb25-45e0537be973",
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"ris":"32d59d2d-b65a-4da4-b0a3-bdd3cfb979e7",
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"refer":"881f60f2-0802-411a-9228-ce5f47b64c7d",
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"bibtex":"9cb70025-a888-4a29-a210-93ec52da40d4",
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"rdf_dc":"5e3ad958-ac79-463d-812b-a86a9235c28f"
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};
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var unAPIResolver = false;
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var defaultFormat, unAPIIDs;
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/**
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* A class to describe an unAPI format description
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* @property isSupported {Boolean} Whether Zotero supports a format contained in this description
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* @property name {String} The unAPI format name, used to retrieve item descriptions
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* @property translatorID {String} The ID of the translator used to read this format
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*
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* @constructor
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* @param {String} aXML unAPI format description XML
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*/
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UnAPIFormat = function(aXML) {
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var parser = new DOMParser();
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var doc = parser.parseFromString(aXML.replace(/<!DOCTYPE[^>]*>/, "").replace(/<\?xml[^>]*\?>/, ""), "text/xml");
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var foundFormat = new Object();
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// Loop through to determine format name
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var nodes = doc.documentElement.getElementsByTagName("format");
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var nNodes = nodes.length;
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var node, name, lowerName, format;
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for(var i=0; i<nNodes; i++) {
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node = nodes[i];
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name = node.getAttribute("name");
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lowerName = name.toLowerCase();
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format = false;
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// Look for formats we can recognize
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if(["rdf_zotero", "rdf_bibliontology", "bibtex", "endnote", "rdf_dc"].indexOf(lowerName) != -1) {
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format = lowerName;
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} else if(lowerName == "rdf_bibliontology") {
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format = "rdf_bibliontology";
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} else if(lowerName === "mods"
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|| node.getAttribute("namespace_uri") === "http://www.loc.gov/mods/v3"
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|| node.getAttribute("docs") === "http://www.loc.gov/standards/mods/"
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|| node.getAttribute("type") === "application/mods+xml") {
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format = "mods";
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} else if(lowerName.match(/^marc\b/)
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|| node.getAttribute("type") === "application/marc") {
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format = "marc";
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} else if(lowerName.match(/^unimarc\b/)
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|| node.getAttribute("type") === "application/unimarc") {
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format = "unimarc";
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} else if(node.getAttribute("docs") == "http://www.refman.com/support/risformat_intro.asp"
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|| lowerName.match(/^ris\b/)) {
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format = "ris";
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}
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if(format) foundFormat[format] = name;
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}
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// Loop through again to determine optimal supported format
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for(var i=0; i<RECOGNIZABLE_FORMATS.length; i++) {
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if(foundFormat[RECOGNIZABLE_FORMATS[i]]) {
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this.isSupported = true;
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this.name = foundFormat[RECOGNIZABLE_FORMATS[i]];
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this.translatorID = FORMAT_GUIDS[RECOGNIZABLE_FORMATS[i]];
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return;
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}
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}
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this.isSupported = false;
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}
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/**
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* A class encapsulating an UnAPI ID
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* @property format {UnAPIFormat} Information regarding the format
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* @property items {Zotero.Item[]} Items corresponding to this ID
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*
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* @constructor
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* @param {String} id The ID contained in an abbr tag
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*/
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UnAPIID = function(id) {
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this.id = id;
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unAPIIDs[id] = this;
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}
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UnAPIID.prototype = {
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/**
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* Gets the item type for this item
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* @param {Function} callback Callback to be passed itemType when it is known
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*/
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"getItemType":function(callback) {
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var me = this;
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this.getItems(function(items) {
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if(items.length === 0) {
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callback(false);
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} else if(items.length === 1) {
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callback(items[0].itemType);
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} else {
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callback("multiple");
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}
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});
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},
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/**
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* Gets items associated with this ID
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* @param {Function} callback Callback to be passed items when they have been retrieved
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*/
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"getItems":function(callback) {
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if(this.items) {
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callback(me.items);
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return;
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}
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var me = this;
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this.items = [];
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this.isSupported(function(isSupported) {
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if(!isSupported) {
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callback([]);
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return;
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}
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Zotero.Utilities.HTTP.doGet(unAPIResolver+"?id="+me.id+"&format="+me.format.name, function(text) {
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var translator = Zotero.loadTranslator("import");
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translator.setTranslator(me.format.translatorID);
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translator.setString(text);
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translator.setHandler("itemDone", function(obj, item) {
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// add item to array
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me.items.push(item);
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});
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translator.setHandler("done", function(obj) {
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// run callback on item array
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callback(me.items);
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});
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try {
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translator.translate();
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} catch(e) {
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Zotero.debug("unAPI: Could not parse "+me.format.name+" metadata for ID "+me.id+": "+e);
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callback(me.items);
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}
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});
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});
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},
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/**
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* Determines whether Zotero can handle this ID
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* @param {Function} callback Callback to be passed isSupported when it is known
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*/
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"isSupported":function(callback) {
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if(this.hasOwnProperty("format")) {
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callback(this.format.isSupported);
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return;
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}
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var me = this;
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getDefaultFormat(function(defaultFormat) {
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// first try default format, since this won't require >1 HTTP request
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if(defaultFormat.isSupported) {
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me.format = defaultFormat;
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callback(true);
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} else {
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// if no supported default format, try format for this item
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Zotero.Utilities.HTTP.doGet(unAPIResolver+"?id="+me.id, function(text) {
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me.format = new UnAPIFormat(text);
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callback(!!me.format.isSupported);
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});
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}
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});
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}
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}
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/**
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* This and the x: prefix in the XPath are to work around an issue with pages
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* served as application/xhtml+xml
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*
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* https://developer.mozilla.org/en/Introduction_to_using_XPath_in_JavaScript#Implementing_a_default_namespace_for_XML_documents
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*/
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function nsResolver() {
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return 'http://www.w3.org/1999/xhtml';
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}
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/**
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* Extracts UnAPIIDs from a document
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* @param {document} A document object from which to extract unAPIIds
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* @return {UnAPIID[]} The unAPI ID objects extracted from the document
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*/
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function getUnAPIIDs(doc) {
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// look for a resolver
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var newUnAPIResolver = doc.evaluate('//x:link[@rel="unapi-server"]', doc, nsResolver, XPathResult.ANY_TYPE, null).iterateNext();
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if(!newUnAPIResolver) return [];
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newUnAPIResolver = newUnAPIResolver.getAttribute("href");
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if(unAPIResolver !== newUnAPIResolver) {
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// if unAPI resolver has changed, clear
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defaultFormat = false;
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unAPIResolver = newUnAPIResolver;
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unAPIIDs = [];
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}
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// look for abbrs
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var abbrs = doc.evaluate('//x:abbr[contains(@class, " unapi-id") or contains(@class, "unapi-id ") or @class="unapi-id"][@title]',
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doc, nsResolver, XPathResult.ANY_TYPE, null);
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var abbr;
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var ids = [];
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while(abbr = abbrs.iterateNext()) {
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var id = abbr.getAttribute("title");
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ids.push(unAPIIDs[id] ? unAPIIDs[id] : new UnAPIID(id));
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}
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return ids;
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}
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/**
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* Retrieves the list of formats available for all items accessible through this unAPI resolver
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* @param {Function} callback A callback to be passed the format when it is available
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*/
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function getDefaultFormat(callback) {
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if(defaultFormat) {
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callback(defaultFormat);
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} else {
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Zotero.Utilities.HTTP.doGet(unAPIResolver, function(text) {
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// determine format of this item
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defaultFormat = new UnAPIFormat(text);
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callback(defaultFormat);
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});
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}
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}
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/**
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* Determines itemType for detection
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*/
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function determineDetectItemType(ids, supportedId) {
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var id = ids.shift();
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id.isSupported(function(isSupported) {
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if(isSupported && supportedId !== undefined) {
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// If there are multiple items with valid itemTypes, use "multiple"
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Zotero.done("multiple");
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} else if(ids.length) {
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// If IDs remain to be handled, handle the next one
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determineDetectItemType(ids, (isSupported ? id : supportedId));
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} else {
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// If all IDs have been handled, get foundItemType for only supported ID
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if(isSupported) {
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id.getItemType(Zotero.done);
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} else {
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Zotero.done(false);
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}
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}
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});
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}
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/**
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* Get all items
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* @param {UnAPIID[]} ids List of UnAPI IDs
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* @param {Function} callback Function to pass item array to when items have been retrieved
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* @param {Zotero.Item[]} items Item array; used for recursive calls
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**/
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function getAllItems(ids, callback, items) {
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var id = ids.shift();
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id.getItems(function(retrievedItems) {
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var collectedItems = (items ? items.concat(retrievedItems) : retrievedItems);
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if(ids.length) {
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getAllItems(ids, callback, collectedItems);
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} else {
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callback(collectedItems);
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}
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});
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}
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function detectWeb(doc, url) {
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// get unAPI IDs
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var ids = getUnAPIIDs(doc);
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if(!ids.length) return false;
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// now we need to see if the server actually gives us bibliographic metadata, and determine the
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// type
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Zotero.wait();
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if(!ids.length === 1) {
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// Only one item, so we will just get its item type
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ids[0].getItemType(Zotero.done);
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} else {
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// Several items. We will need to call determineDetectItemType
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determineDetectItemType(ids);
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}
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}
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function doWeb(doc, url) {
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var ids = getUnAPIIDs(doc);
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Zotero.wait();
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getAllItems(ids, function(items) {
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// get the domain we're scraping, so we can use it for libraryCatalog
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domain = doc.location.href.match(/https?:\/\/([^/]+)/);
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if(items.length == 1) {
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// If only one item, just complete it
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items[0].libraryCatalog = domain[1];
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items[0].complete();
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} else if(items.length > 0) {
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// If multiple items, extract their titles
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var itemTitles = [];
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for(var i in items) {
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itemTitles[i] = items[i].title;
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}
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// Show item selection dialog
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var chosenItems = Zotero.selectItems(itemTitles);
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if(!chosenItems) Zotero.done(true);
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// Complete items
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for(var i in chosenItems) {
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items[i].libraryCatalog = domain[1];
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items[i].complete();
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}
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}
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Zotero.done();
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return;
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});
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}
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/** BEGIN TEST CASES **/
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var testCases = [
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{
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"type": "web",
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"url": "http://search8.library.utoronto.ca/UTL/index?N=0&Ntk=Anywhere&Ntt=nimni+challenge+of+post-zionism&Ntx=mode%2Bmatchallpartial&Nu=p_work_normalized&Np=1&formName=search_form_simple",
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"items": [
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{
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"itemType": "book",
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"creators": [
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{
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"lastName": "Nimni",
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"firstName": "Ephraim.",
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"creatorType": "contributor"
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}
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],
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"notes": [],
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"tags": [
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"Post-Zionism.",
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"Zionism -- Philosophy.",
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"National characteristics, Israeli.",
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"Israel -- Politics and government."
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],
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"seeAlso": [],
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"attachments": [
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{
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"url": false
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}
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],
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"itemID": "4908720 (UTL catalogue ckey)",
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"title": "The challenge of Post-Zionism : alternatives to Israeli fundamentalist politics",
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"date": "2003",
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"publisher": "Zed Books",
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"place": "New York",
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"ISBN": "185649893X",
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"ISSN": "185649893X",
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"url": "http://www.loc.gov/catdir/description/hol032/2002190908.html",
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"libraryCatalog": "search8.library.utoronto.ca",
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"shortTitle": "The challenge of Post-Zionism"
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}
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]
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},
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{
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"type": "web",
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"url": "http://search8.library.utoronto.ca/UTL/index?N=0&Ntk=Anywhere&Ntt=adam+smith&Ntx=mode%2Bmatchallpartial&Nu=p_work_normalized&Np=1&formName=search_form_simple",
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"items": "multiple"
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}
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]
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/** END TEST CASES **/ |