272 lines
7.4 KiB
JavaScript
272 lines
7.4 KiB
JavaScript
{
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"translatorID": "3dcbb947-f7e3-4bbd-a4e5-717f3701d624",
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"label": "HeinOnline",
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"creator": "Frank Bennett",
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"target": "^https?://(www\\.)?heinonline\\.org/HOL/(LuceneSearch|Page|IFLPMetaData)\\?",
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"minVersion": "3.0",
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"maxVersion": "",
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"priority": 100,
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"inRepository": true,
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"translatorType": 4,
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"browserSupport": "gcsbv",
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"lastUpdated": "2019-10-26 13:45:08"
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}
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/*
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***** BEGIN LICENSE BLOCK *****
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Copyright © 2015-2016 Frank Bennett
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This file is part of Zotero.
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Zotero is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Zotero is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with Zotero. If not, see <http://www.gnu.org/licenses/>.
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***** END LICENSE BLOCK *****
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*/
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/*
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***************
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** Utilities **
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***************
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*/
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// attr()/text() v2
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// eslint-disable-next-line
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function attr(docOrElem,selector,attr,index){var elem=index?docOrElem.querySelectorAll(selector).item(index):docOrElem.querySelector(selector);return elem?elem.getAttribute(attr):null}function text(docOrElem,selector,index){var elem=index?docOrElem.querySelectorAll(selector).item(index):docOrElem.querySelector(selector);return elem?elem.textContent:null}
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// Get any search results from current page
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// Used in detectWeb() and doWeb()
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function getSearchResults(doc) {
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var results = doc.getElementsByClassName("lucene_search_result_b"),
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items = {},
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found = false;
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for (var i = 0, ilen = results.length; i < ilen; i++) {
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var url = getXPathStr("href", results[i], './/a[1]');
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var title = getXPathStr("textContent", results[i], './/a[1]');
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title = ZU.trimInternal(title);
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// title = title.replace(/\s*\[[^\]]*\]$/, '');
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if (!title || !url) continue;
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items[url] = title;
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found = true;
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}
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return found ? items : false;
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}
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// Get the string value of the first object matching XPath
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function getXPathStr(attr, elem, path) {
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var res = ZU.xpath(elem, path);
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res = res.length ? res[0][attr] : '';
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return res ? res : '';
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}
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// Extract query values to keys on an object
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function extractQueryValues(url) {
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var ret = {};
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ret.base = url.replace(/[a-zA-Z]+\?.*/, "");
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var query = url.replace(/.*?\?/, "");
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query = query.split("&");
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for (var i = 0, ilen = query.length; i < ilen; i++) {
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var pair = query[i].split("=");
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ret[pair[0]] = pair[1];
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}
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return ret;
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}
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// Not all pages have a downloadable PDF
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function translateRIS(ris, pdfURL) {
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var trans = Zotero.loadTranslator('import');
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trans.setTranslator('32d59d2d-b65a-4da4-b0a3-bdd3cfb979e7');// https://github.com/zotero/translators/blob/master/RIS.js
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trans.setString(ris);
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trans.setHandler('itemDone', function (obj, item) {
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if (pdfURL) {
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item.attachments = [{
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title: "Full Text PDF",
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url: pdfURL,
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mimeType: "application/pdf"
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}];
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}
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item.complete();
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});
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trans.getTranslatorObject(function (transObject) {
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transObject.options.fieldMap = {
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VO: "volume"
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};
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transObject.doImport();
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});
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}
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function translateCOinS(COinS) {
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var item = new Zotero.Item();
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Zotero.Utilities.parseContextObject(COinS, item);
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item.complete();
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}
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// Build URL for RIS, and for PDF if available
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function scrapePage(doc, url) {
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// We need the id= and the handle= of the current target item.
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// From that, we can build URL for RIS.
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// Check for an RIS popup link in the page.
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var risPopupLink = getXPathStr("href", doc, '//form[@id="pagepicker"]//a[contains(@href, "PrintRequest")][1]');
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if (risPopupLink) {
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// Get the id from pageSelect.
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var pageID = doc.getElementById("pageSelect").value;
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// Get other parameters from the page URL.
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var docParams = extractQueryValues(url);
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// Compose the RIS link.
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var risURL = docParams.base
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+ "CitationFile?kind=ris&handle=" + docParams.handle
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+ "&id=" + pageID
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+ "&base=js";
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ZU.doGet(risURL, function (ris) {
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// the PDF URL gives us a page that will refresh itself to the PDF.
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var pdfPageURL = attr(doc, '[data-original-title*="Download PDF"]', 'href');
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if (pdfPageURL) {
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pdfPageURL = docParams.base + pdfPageURL;
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// Z.debug(pdfPageURL)
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ZU.doGet(pdfPageURL, function (pdfPage) {
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// Call to pdfPageURL prepares PDF for download via META refresh URL
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var pdfURL = null;
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var m = pdfPage.match(/<META.*URL="([^"]+)/);
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// Z.debug(pdfPage)
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// Z.debug(m)
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if (m) {
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pdfURL = docParams.base + m[1];
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}
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translateRIS(ris, pdfURL);
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}, null);
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}
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else {
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translateRIS(ris);
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}
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}, null);
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}
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else {
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// No RIS available in page, try COinS
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var COinS = getXPathStr("title", doc, '//span[contains(@class, "Z3988")]');
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if (COinS) {
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translateCOinS(COinS);
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}
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}
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}
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/*
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*********
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** API **
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*********
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*/
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function detectWeb(doc, url) {
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var COinS = getXPathStr("title", doc, '//span[contains(@class, "Z3988")]');
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var RIS = getXPathStr("href", doc, '//form[@id="pagepicker"]//a[contains(@href, "PrintRequest")][1]');
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if (url.includes("/LuceneSearch?")) {
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if (getSearchResults(doc)) {
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return "multiple";
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}
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}
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else if (COinS || RIS) {
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return "journalArticle";
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}
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return false;
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}
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function doWeb(doc, url) {
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if (detectWeb(doc, url) === "multiple") {
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Zotero.selectItems(getSearchResults(doc), function (items) {
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if (!items) {
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return;
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}
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var urls = [];
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for (var i in items) {
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urls.push(i);
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}
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ZU.processDocuments(urls, scrapePage);
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});
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}
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else {
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scrapePage(doc, url);
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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": "https://heinonline.org/HOL/IFLPMetaData?type=article&id=53254&collection=iflp&men_tab=srchresults&set_as_cursor=8",
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"items": [
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{
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"itemType": "journalArticle",
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"title": "Initiative test.",
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"creators": [
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{
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"firstName": "D.",
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"lastName": "Andrews",
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"creatorType": "author"
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}
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],
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"date": "2007",
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"libraryCatalog": "HeinOnline",
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"pages": "38",
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"publicationTitle": "International Financial Law Review",
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"url": "https://heinonline.org/HOL/IFLPMetaData?type=article&id=53254&collection=iflp",
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"volume": "26",
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"attachments": [],
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"tags": [],
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"notes": [],
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"seeAlso": []
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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": "https://heinonline.org/HOL/LuceneSearch?terms=test&collection=all&searchtype=advanced&typea=text&tabfrom=&submit=Go&all=true",
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"items": "multiple"
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},
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{
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"type": "web",
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"url": "https://heinonline.org/HOL/Page?handle=hein.journals/alterlj18&div=22&start_page=76&collection=journals&set_as_cursor=4&men_tab=srchresults",
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"items": [
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{
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"itemType": "journalArticle",
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"title": "Means Test or Mean Test Pension Entitlements for Farmers",
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"creators": [
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{
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"lastName": "Voyce",
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"firstName": "Malcolm",
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"creatorType": "author"
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}
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],
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"date": "1993",
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"issue": "2",
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"journalAbbreviation": "Alternative L.J.",
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"language": "eng",
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"libraryCatalog": "HeinOnline",
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"pages": "76-85",
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"publicationTitle": "Alternative Law Journal",
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"url": "https://heinonline.org/HOL/P?h=hein.journals/alterlj18&i=80",
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"volume": "18",
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"attachments": [
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{
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"title": "Full Text PDF",
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"mimeType": "application/pdf"
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}
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],
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"tags": [],
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"notes": [],
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"seeAlso": []
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}
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]
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}
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]
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/** END TEST CASES **/
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