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May 30th, 2012
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  1. {
  2.     "translatorID": "7cb70025-a888-4a29-a210-93ec52da40d4",
  3.     "translatorType": 3,
  4.     "label": "BibTeX-citep",
  5.     "creator": "Peter O'Brien - from Simon Kornblith and Richard Karnesky",
  6.     "target": "bib",
  7.     "minVersion": "2.1.9",
  8.     "maxVersion": null,
  9.     "priority": 200,
  10.     "inRepository": true,
  11.     "browserSupport": "gcsv",
  12.     "displayOptions": {
  13.         "exportCharset": "UTF-8",
  14.         "exportNotes": false,
  15.         "exportFileData": false
  16.     },
  17.     "lastUpdated": "2012-05-31 00:43:00"
  18. }
  19.  
  20.  
  21.  
  22. //%a = first author surname
  23. //%y = year
  24. //%t = first word of title
  25. var citeKeyFormat = "%a_%t_%y";
  26.  
  27.  
  28.  
  29. var zotero2bibtexTypeMap = {
  30.     "book":"book",
  31.     "bookSection":"incollection",
  32.     "journalArticle":"article",
  33.     "magazineArticle":"article",
  34.     "newspaperArticle":"article",
  35.     "thesis":"phdthesis",
  36.     "letter":"misc",
  37.     "manuscript":"unpublished",
  38.     "interview":"misc",
  39.     "film":"misc",
  40.     "artwork":"misc",
  41.     "webpage":"misc",
  42.     "conferencePaper":"inproceedings",
  43.     "report":"techreport"
  44. };
  45.  
  46.  
  47. /*
  48.  * three-letter month abbreviations. i assume these are the same ones that the
  49.  * docs say are defined in some appendix of the LaTeX book. (i don't have the
  50.  * LaTeX book.)
  51.  */
  52. var months = ["jan", "feb", "mar", "apr", "may", "jun",
  53.               "jul", "aug", "sep", "oct", "nov", "dec"];
  54.  
  55. /*
  56.  * new mapping table based on that from Matthias Steffens,
  57.  * then enhanced with some fields generated from the unicode table.
  58.  */
  59.  
  60.  
  61.  
  62. var alwaysMap = {
  63.     "|":"{\\textbar}",
  64.     "<":"{\\textless}",
  65.     ">":"{\\textgreater}",
  66.     "~":"{\\textasciitilde}",
  67.     "^":"{\\textasciicircum}",
  68.     "\\":"{\\textbackslash}"
  69. };
  70.  
  71. var strings = {};
  72. var keyRe = /[a-zA-Z0-9\-]/;
  73. var keywordSplitOnSpace = true;
  74. var keywordDelimRe = ',\\s*';
  75. var keywordDelimReFlags = '';
  76.  
  77. function setKeywordSplitOnSpace( val ) {
  78.     keywordSplitOnSpace = val;
  79. }
  80.  
  81.  
  82.  
  83.  
  84.  
  85.  
  86.  
  87.  
  88.  
  89.  
  90. function mapEscape(character) {
  91.     return alwaysMap[character];
  92. }
  93.  
  94. function mapAccent(character) {
  95.     return (mappingTable[character] ? mappingTable[character] : "?");
  96. }
  97.  
  98. // a little substitution function for BibTeX keys, where we don't want LaTeX
  99. // escaping, but we do want to preserve the base characters
  100.  
  101. function tidyAccents(s) {
  102.     var r=s.toLowerCase();
  103.  
  104.     // XXX Remove conditional when we drop Zotero 2.1.x support
  105.     // This is supported in Zotero 3.0 and higher
  106.     if (ZU.removeDiacritics !== undefined)
  107.         r = ZU.removeDiacritics(r, true);
  108.     else {
  109.     // We fall back on the replacement list we used previously
  110.         r = r.replace(new RegExp("[ä]", 'g'),"ae");
  111.         r = r.replace(new RegExp("[ö]", 'g'),"oe");
  112.         r = r.replace(new RegExp("[ü]", 'g'),"ue");
  113.         r = r.replace(new RegExp("[àáâãå]", 'g'),"a");
  114.         r = r.replace(new RegExp("æ", 'g'),"ae");
  115.         r = r.replace(new RegExp("ç", 'g'),"c");
  116.         r = r.replace(new RegExp("[èéêë]", 'g'),"e");
  117.         r = r.replace(new RegExp("[ìíîï]", 'g'),"i");
  118.         r = r.replace(new RegExp("ñ", 'g'),"n");                            
  119.         r = r.replace(new RegExp("[òóôõ]", 'g'),"o");
  120.         r = r.replace(new RegExp("œ", 'g'),"oe");
  121.         r = r.replace(new RegExp("[ùúû]", 'g'),"u");
  122.         r = r.replace(new RegExp("[ýÿ]", 'g'),"y");
  123.     }
  124.  
  125.     return r;
  126. };
  127.  
  128. var numberRe = /^[0-9]+/;
  129. // Below is a list of words that should not appear as part of the citation key
  130. // in includes the indefinite articles of English, German, French and Spanish, as well as a small set of English prepositions whose
  131. // force is more grammatical than lexical, i.e. which are likely to strike many as 'insignificant'.
  132. // The assumption is that most who want a title word in their key would prefer the first word of significance.
  133. var citeKeyTitleBannedRe = /\b(a|an|the|some|from|on|in|to|of|do|with|der|die|das|ein|eine|einer|eines|einem|einen|un|une|la|le|l\'|el|las|los|al|uno|una|unos|unas|de|des|del|d\')(\s+|\b)/g;
  134. var citeKeyConversionsRe = /%([a-zA-Z])/;
  135. var citeKeyCleanRe = /[^a-z0-9\!\$\&\*\+\-\.\/\:\;\<\>\?\[\]\^\_\`\|]+/g;
  136.  
  137. var citeKeyConversions = {
  138.     "a":function (flags, item) {
  139.         if(item.creators && item.creators[0] && item.creators[0].lastName) {
  140.             return item.creators[0].lastName.toLowerCase().replace(/ /g,"_").replace(/,/g,"");
  141.         }
  142.         return "";
  143.     },
  144.     "t":function (flags, item) {
  145.         if (item["title"]) {
  146.             return item["title"].toLowerCase().replace(citeKeyTitleBannedRe, "").split(/\s+/g)[0];
  147.         }
  148.         return "";
  149.     },
  150.     "y":function (flags, item) {
  151.         if(item.date) {
  152.             var date = Zotero.Utilities.strToDate(item.date);
  153.             if(date.year && numberRe.test(date.year)) {
  154.                 return date.year;
  155.             }
  156.         }
  157.         return "????";
  158.     }
  159. }
  160.  
  161.  
  162. function buildCiteKey (item,citekeys) {
  163.     var basekey = "";
  164.     var counter = 0;
  165.     citeKeyFormatRemaining = citeKeyFormat;
  166.     while (citeKeyConversionsRe.test(citeKeyFormatRemaining)) {
  167.         if (counter > 100) {
  168.             Zotero.debug("Pathological BibTeX format: " + citeKeyFormat);
  169.             break;
  170.         }
  171.         var m = citeKeyFormatRemaining.match(citeKeyConversionsRe);
  172.         if (m.index > 0) {
  173.             //add data before the conversion match to basekey
  174.             basekey = basekey + citeKeyFormatRemaining.substr(0, m.index);
  175.         }
  176.         var flags = ""; // for now
  177.         var f = citeKeyConversions[m[1]];
  178.         if (typeof(f) == "function") {
  179.             var value = f(flags, item);
  180.             Zotero.debug("Got value " + value + " for %" + m[1]);
  181.             //add conversion to basekey
  182.             basekey = basekey + value;
  183.         }
  184.         citeKeyFormatRemaining = citeKeyFormatRemaining.substr(m.index + m.length);
  185.         counter++;
  186.     }
  187.     if (citeKeyFormatRemaining.length > 0) {
  188.         basekey = basekey + citeKeyFormatRemaining;
  189.     }
  190.  
  191.     // for now, remove any characters not explicitly known to be allowed;
  192.     // we might want to allow UTF-8 citation keys in the future, depending
  193.     // on implementation support.
  194.     //
  195.     // no matter what, we want to make sure we exclude
  196.     // " # % ' ( ) , = { } ~ and backslash
  197.     // however, we want to keep the base characters
  198.  
  199.     basekey = tidyAccents(basekey);
  200.     basekey = basekey.replace(citeKeyCleanRe, "");
  201.     var citekey = basekey;
  202.     var i = 0;
  203.     while(citekeys[citekey]) {
  204.         i++;
  205.         citekey = basekey + "-" + i;
  206.     }
  207.     citekeys[citekey] = true;
  208.     return citekey;
  209. }
  210.  
  211. function doExport() {
  212.     //Zotero.write("% BibTeX export generated by Zotero "+Zotero.Utilities.getVersion());
  213.     // to make sure the BOM gets ignored
  214.        
  215.     var first = true;
  216.     var citekeys = new Object();
  217.     var item;
  218.     while(item = Zotero.nextItem()) {
  219.         // determine type
  220.         var type = zotero2bibtexTypeMap[item.itemType];
  221.         if (typeof(type) == "function") { type = type(item); }
  222.         if(!type) type = "misc";
  223.        
  224.         // create a unique citation key
  225.         var citekey = buildCiteKey(item, citekeys);
  226.        
  227.         // write citation key
  228.         Zotero.write((first ? "\\citep{" : ",") + citekey);
  229.         first = false;
  230.        
  231.     }
  232.    
  233.     Zotero.write("}");
  234. }
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