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Don't import duplicate identifiers

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This commit is contained in:
aurimasv 2012-11-24 00:18:42 -06:00
parent a64fa35ff2
commit 68657634ec
1 changed files with 13 additions and 4 deletions
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17
chrome/content/zotero/lookup.js
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@ -32,13 +32,15 @@ const Zotero_Lookup = new function () {
* Performs a lookup by DOI, PMID, or ISBN
*/
this.accept = function(textBox) {
var foundIDs = []; //keep track of identifiers to avoid duplicates
var identifier = textBox.value;
//first look for DOIs
var ids = identifier.split(/[\s\u00A0]+/); //whitespace + non-breaking space
var items = [], doi;
for(var i=0, n=ids.length; i<n; i++) {
if(doi = Zotero.Utilities.cleanDOI(ids[i])) {
if((doi = Zotero.Utilities.cleanDOI(ids[i])) && foundIDs.indexOf(doi) == -1) {
items.push({itemType:"journalArticle", DOI:doi});
foundIDs.push(doi);
}
}
@ -53,7 +55,10 @@ const Zotero_Lookup = new function () {
while(isbn = ISBN_RE.exec(ids)) {
isbn = Zotero.Utilities.cleanISBN(isbn[1]);
if(isbn) items.push({itemType:"book", ISBN:isbn});
if(isbn && foundIDs.indexOf(isbn) == -1) {
items.push({itemType:"book", ISBN:isbn});
foundIDs.push(isbn);
}
}
//now try spaces
@ -61,7 +66,10 @@ const Zotero_Lookup = new function () {
ids = ids.replace(/[ \u00A0]+/g, ""); //space + non-breaking space
while(isbn = ISBN_RE.exec(ids)) {
isbn = Zotero.Utilities.cleanISBN(isbn[1]);
if(isbn) items.push({itemType:"book", ISBN:isbn});
if(isbn && foundIDs.indexOf(isbn) == -1) {
items.push({itemType:"book", ISBN:isbn});
foundIDs.push(isbn);
}
}
}
}
@ -72,8 +80,9 @@ const Zotero_Lookup = new function () {
// discriminate for a fairly long time
var PMID_RE = /(?:\D|^)(\d{8})(?!\d)/g;
var pmid;
while(pmid = PMID_RE.exec(identifier)) {
while((pmid = PMID_RE.exec(identifier)) && foundIDs.indexOf(pmid) == -1) {
items.push({itemType:"journalArticle", contextObject:"rft_id=info:pmid/"+pmid[1]});
foundIDs.push(pmid);
}
}