From 19ff243b92f604d979722fceb67fa65cf055a8cb Mon Sep 17 00:00:00 2001
From: Simon Kornblith <simon@simonster.com>
Date: Tue, 7 Apr 2009 15:50:37 +0000
Subject: [PATCH] first pass at a generic DOI translator. works on Annual
 Reviews article pages, which we don't currently have a translator for. needs
 more testing.

---
 translators/DOI.js | 86 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 86 insertions(+)
 create mode 100644 translators/DOI.js

diff --git a/translators/DOI.js b/translators/DOI.js
new file mode 100644
index 000000000..fd4edd536
--- /dev/null
+++ b/translators/DOI.js
@@ -0,0 +1,86 @@
+{
+	"translatorID":"c159dcfe-8a53-4301-a499-30f6549c340d",
+	"translatorType":4,
+	"label":"DOI",
+	"creator":"Simon Kornblith",
+	"target":null,
+	"minVersion":"1.0.10",
+	"maxVersion":"",
+	"priority":300,
+	"inRepository":true,
+	"lastUpdated":"2009-04-07 15:48:00"
+}
+
+var DOIre = /doi:\s*(10\.[\w.]+\/[^\/\s]+)/ig;
+var items = {};
+var selectArray = {};
+
+function detectWeb(doc, url) {
+	var m1 = DOIre.exec(doc.documentElement.textContent);
+	var m2 = DOIre.exec(doc.documentElement.textContent);
+	if(m1 & m2) {
+		return "multiple";
+	} else if(m1) {
+		return "journalArticle";
+	}
+}
+
+function retrieveNextDOI(DOIs, doc) {
+	if(DOIs.length) {
+		// retrieve DOI
+		var DOI = DOIs.shift();
+		var translate = Zotero.loadTranslator("search");
+		translate.setTranslator("11645bd1-0420-45c1-badb-53fb41eeb753");
+		var item = {"itemType":"journalArticle", "DOI":DOI};
+		translate.setSearch(item);
+		// don't save when item is done
+		translate.setHandler("itemDone", function(translate, item) {
+			item.repository = "CrossRef";
+			items[DOI] = item;
+			selectArray[DOI] = item.title;
+		});
+		translate.setHandler("done", function(translate) {
+			retrieveNextDOI(DOIs, doc);
+		});
+		translate.translate();
+	} else {
+		// all DOIs retrieved now
+		// check to see if there is more than one DOI
+		var numDOIs = 0;
+		for(var DOI in selectArray) {
+			numDOIs++;
+			if(numDOIs == 2) break;
+		}
+		if(numDOIs == 0) {
+			throw "DOI Translator: could not find DOI";
+		} else if(numDOIs == 1) {
+			// do we want to add URL of the page?
+			items[DOI].url = doc.location.href;
+			items[DOI].attachments = [{document:doc}];
+			items[DOI].complete();
+		} else {
+			selectArray = Zotero.selectItems(selectArray);
+			for(var DOI in selectArray) {
+				items[DOI].complete();
+			}
+		}
+		Zotero.done();
+	}
+}
+
+function doWeb(doc, url) {
+	// build a list of DOIs
+	DOIre.lastMatch = 0;
+	DOIs = [];
+	while((m = DOIre.exec(doc.documentElement.textContent))) {
+		var DOI = m[1];
+		if(DOI.substr(-1) == ")" && DOI.indexOf("(") == -1) {
+			DOI = DOI.substr(0, DOI.length-1);
+		}
+		DOIs.push(DOI);
+	}
+	
+	// retrieve full items asynchronously
+	Zotero.wait();
+	retrieveNextDOI(DOIs, doc);
+}
\ No newline at end of file