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BibTeX.js
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BibTeX.js
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{
"translatorID": "9cb70025-a888-4a29-a210-93ec52da40d4",
"label": "BibTeX",
"creator": "Simon Kornblith, Richard Karnesky and Emiliano heyns",
"target": "bib",
"minVersion": "2.1.9",
"maxVersion": "",
"priority": 200,
"configOptions": {
"getCollections": true
},
"displayOptions": {
"exportCharset": "UTF-8",
"exportNotes": true,
"exportFileData": false,
"useJournalAbbreviation": false
},
"inRepository": true,
"translatorType": 3,
"browserSupport": "gcsv",
"lastUpdated": "2015-07-02 02:03:17"
}
function detectImport() {
var maxChars = 1048576; // 1MB
var inComment = false;
var block = "";
var buffer = "";
var chr = "";
var charsRead = 0;
var re = /^\s*@[a-zA-Z]+[\(\{]/;
while((buffer = Zotero.read(4096)) && charsRead < maxChars) {
Zotero.debug("Scanning " + buffer.length + " characters for BibTeX");
charsRead += buffer.length;
for (var i=0; i<buffer.length; i++) {
chr = buffer[i];
if (inComment && chr != "\r" && chr != "\n") {
continue;
}
inComment = false;
if(chr == "%") {
// read until next newline
block = "";
inComment = true;
} else if((chr == "\n" || chr == "\r"
// allow one-line entries
|| i == (buffer.length - 1))
&& block) {
// check if this is a BibTeX entry
if(re.test(block)) {
return true;
}
block = "";
} else if(" \n\r\t".indexOf(chr) == -1) {
block += chr;
}
}
}
}
//%a = first listed creator surname
//%y = year
//%t = first word of title
var citeKeyFormat = "%a_%t_%y";
var fieldMap = {
address:"place",
chapter:"section",
edition:"edition",
type:"type",
series:"series",
title:"title",
volume:"volume",
copyright:"rights",
isbn:"ISBN",
issn:"ISSN",
shorttitle:"shortTitle",
url:"url",
doi:"DOI",
abstract:"abstractNote",
nationality: "country",
language:"language",
assignee:"assignee"
};
// Fields for which upper case letters will be protected on export
var caseProtectedFields = [
"title",
"type",
"shorttitle",
"booktitle",
"series"
];
// Import/export in BibTeX
var extraIdentifiers = {
lccn: 'LCCN',
mrnumber: 'MR',
zmnumber: 'Zbl',
pmid: 'PMID',
pmcid: 'PMCID'
//Mostly from Wikipedia citation templates
//asin - Amazon ID
//bibcode/refcode - used in astronomy, but haven't seen any Bib(La)TeX examples
//jfm - Jahrbuch ID, but it seems to be part of Zentralblatt MATH, so Zbl
//oclc
//ol - openlibrary.org ID
//osti
//rfc
//ssrn? http://cyber.law.harvard.edu/cybersecurity/Guidelines_for_adding_Bibliography_entries
};
// Make a reverse map for convenience
var revExtraIds = {};
for(var field in extraIdentifiers) {
revExtraIds[extraIdentifiers[field]] = field;
}
// Import only. Exported by BibLaTeX
var eprintIds = {
// eprinttype: Zotero label
// From BibLaTeX manual
'arxiv': 'arXiv', // Sorry, but no support for eprintclass yet
'jstor': 'JSTOR',
'pubmed': 'PMID',
'hdl': 'HDL',
'googlebooks': 'GoogleBooksID'
};
function parseExtraFields(extra) {
var lines = extra.split(/[\r\n]+/);
var fields = [];
for(var i=0; i<lines.length; i++) {
var rec = { raw: lines[i] };
var line = lines[i].trim();
var splitAt = line.indexOf(':');
if(splitAt > 1) {
rec.field = line.substr(0,splitAt).trim();
rec.value = line.substr(splitAt + 1).trim();
}
fields.push(rec);
}
return fields;
}
function extraFieldsToString(extra) {
var str = '';
for(var i=0; i<extra.length; i++) {
if(!extra[i].raw) {
str += '\n' + extra[i].field + ': ' + extra[i].value;
} else {
str += '\n' + extra[i].raw;
}
}
return str.substr(1);
}
var inputFieldMap = {
booktitle :"publicationTitle",
school:"publisher",
institution:"publisher",
publisher:"publisher",
issue:"issue",
location:"place"
};
var zotero2bibtexTypeMap = {
"book":"book",
"bookSection":"incollection",
"journalArticle":"article",
"magazineArticle":"article",
"newspaperArticle":"article",
"thesis":"phdthesis",
"letter":"misc",
"manuscript":"unpublished",
"patent" :"patent",
"interview":"misc",
"film":"misc",
"artwork":"misc",
"webpage":"misc",
"conferencePaper":"inproceedings",
"report":"techreport"
};
var bibtex2zoteroTypeMap = {
"book":"book", // or booklet, proceedings
"inbook":"bookSection",
"incollection":"bookSection",
"article":"journalArticle", // or magazineArticle or newspaperArticle
"patent" :"patent",
"phdthesis":"thesis",
"unpublished":"manuscript",
"inproceedings":"conferencePaper", // check for conference also
"conference":"conferencePaper",
"techreport":"report",
"booklet":"book",
"manual":"book",
"mastersthesis":"thesis",
"misc":"book",
"proceedings":"book",
"online":"webpage"
};
/*
* three-letter month abbreviations. i assume these are the same ones that the
* docs say are defined in some appendix of the LaTeX book. (i don't have the
* LaTeX book.)
*/
var months = ["jan", "feb", "mar", "apr", "may", "jun",
"jul", "aug", "sep", "oct", "nov", "dec"];
var jabref = {
format: null,
root: {}
};
var alwaysMap = {
"|":"{\\textbar}",
"<":"{\\textless}",
">":"{\\textgreater}",
"~":"{\\textasciitilde}",
"^":"{\\textasciicircum}",
"\\":"{\\textbackslash}",
// See http://tex.stackexchange.com/questions/230750/open-brace-in-bibtex-fields/230754
"{" : "\\{\\vphantom{\\}}",
"}" : "\\vphantom{\\{}\\}"
};
var strings = {};
var keyRe = /[a-zA-Z0-9\-]/;
// Split keywords on space by default when called from another translator
// This is purely for historical reasons. Otherwise we risk breaking tag import
// from some websites
var keywordSplitOnSpace = !!Zotero.parentTranslator;
var keywordDelimRe = /\s*[,;]\s*/;
function setKeywordSplitOnSpace( val ) {
keywordSplitOnSpace = val;
}
function setKeywordDelimRe( val, flags ) {
//expect string, but it could be RegExp
if(typeof(val) != 'string') {
val = val.toString();
flags = val.slice(val.lastIndexOf('/')+1);
val = val.slice(1, val.lastIndexOf('/'));
}
keywordDelimRe = new RegExp(val, flags);
}
function processField(item, field, value, rawValue) {
if(Zotero.Utilities.trim(value) == '') return null;
if(fieldMap[field]) {
item[fieldMap[field]] = value;
} else if(inputFieldMap[field]) {
item[inputFieldMap[field]] = value;
} else if(field == "subtitle") {
if (!item.title) item.title = '';
item.title = item.title.trim();
value = value.trim();
if (!/[-–—:!?.;]$/.test(item.title)
&& !/^[-–—:.;¡¿]/.test(value)
) {
item.title += ': ';
} else if (item.title.length) {
item.title += ' ';
}
item.title += value;
} else if(field == "journal") {
if(item.publicationTitle) {
item.journalAbbreviation = value;
} else {
item.publicationTitle = value;
}
} else if(field == "fjournal") {
if(item.publicationTitle) {
// move publicationTitle to abbreviation, since it probably came from 'journal'
item.journalAbbreviation = item.publicationTitle;
}
item.publicationTitle = value;
} else if(field == "author" || field == "editor" || field == "translator") {
// parse authors/editors/translators
var names = splitUnprotected(rawValue.trim(), /\sand\s/gi);
for(var i in names) {
var name = names[i];
// skip empty names
if (!name) continue;
// Names in BibTeX can have three commas
pieces = splitUnprotected(name, /\s*,\s*/g);
var creator = {};
if (pieces.length > 1) {
creator.firstName = pieces.pop();
creator.lastName = unescapeBibTeX(pieces.shift());
if(pieces.length) {
// If anything is left, it should only be the 'Jr' part
creator.firstName += ', ' + pieces.join(', ');
}
creator.firstName = unescapeBibTeX(creator.firstName);
creator.creatorType = field;
} else if(splitUnprotected(name, / +/g).length > 1){
creator = Zotero.Utilities.cleanAuthor(unescapeBibTeX(name), field, false);
} else {
creator = {
lastName: unescapeBibTeX(name),
creatorType: field,
fieldMode: 1
}
}
item.creators.push(creator);
}
} else if(field == "institution" || field == "organization") {
item.backupPublisher = value;
} else if(field == "number"){ // fix for techreport
if (item.itemType == "report") {
item.reportNumber = value;
} else if (item.itemType == "book" || item.itemType == "bookSection") {
item.seriesNumber = value;
} else if (item.itemType == "patent"){
item.patentNumber = value;
} else {
item.issue = value;
}
} else if(field == "month") {
var monthIndex = months.indexOf(value.toLowerCase());
if(monthIndex != -1) {
value = Zotero.Utilities.formatDate({month:monthIndex});
} else {
value += " ";
}
if(item.date) {
if(value.indexOf(item.date) != -1) {
// value contains year and more
item.date = value;
} else {
item.date = value+item.date;
}
} else {
item.date = value;
}
} else if(field == "year") {
if(item.date) {
if(item.date.indexOf(value) == -1) {
// date does not already contain year
item.date += value;
}
} else {
item.date = value;
}
} else if(field == "date") {
//We're going to assume that "date" and the date parts don't occur together. If they do, we pick date, which should hold all.
item.date = value;
} else if(field == "pages") {
if (item.itemType == "book" || item.itemType == "thesis" || item.itemType == "manuscript") {
item.numPages = value;
}
else {
item.pages = value.replace(/--/g, "-");
}
} else if(field == "note") {
item._extraFields.push({raw: value.trim()});
} else if(field == "howpublished") {
if(value.length >= 7) {
var str = value.substr(0, 7);
if(str == "http://" || str == "https:/" || str == "mailto:") {
item.url = value;
} else {
item._extraFields.push({field: 'Published', value: value});
}
}
}
//accept lastchecked or urldate for access date. These should never both occur.
//If they do we don't know which is better so we might as well just take the second one
else if (field == "lastchecked"|| field == "urldate"){
item.accessDate = value;
} else if(field == "keywords" || field == "keyword") {
item.tags = value.split(keywordDelimRe);
if(item.tags.length == 1 && keywordSplitOnSpace) {
item.tags = value.split(/\s+/);
}
} else if (field == "comment" || field == "annote" || field == "review" || field == "notes") {
item.notes.push({note:Zotero.Utilities.text2html(value)});
} else if (field == "pdf" || field == "path" /*Papers2 compatibility*/) {
item.attachments.push({path:value, mimeType:"application/pdf"});
} else if (field == "sentelink") { // the reference manager 'Sente' has a unique file scheme in exported BibTeX; it can occur multiple times
item.attachments.push({path:value.split(",")[0], mimeType:"application/pdf"});
} else if (field == "file") {
var start = 0, attachment;
rawValue = rawValue.replace(/\$\\backslash\$/g, '\\') // Mendeley invention?
.replace(/([^\\](?:\\\\)*)\\(.){}/g, '$1$2'); // part of Mendeley's escaping (e.g. \~{} = ~)
for(var i=0; i<rawValue.length; i++) {
if(rawValue[i] == '\\') {
i++; //skip next char
continue;
}
if(rawValue[i] == ';') {
attachment = parseFilePathRecord(rawValue.slice(start, i));
if(attachment) item.attachments.push(attachment);
start = i+1;
}
}
attachment = parseFilePathRecord(rawValue.slice(start));
if(attachment) item.attachments.push(attachment);
} else if (field == "eprint" || field == "eprinttype") {
// Support for IDs exported by BibLaTeX
if(field == 'eprint') item._eprint = value;
else item._eprinttype = value;
var eprint = item._eprint;
var eprinttype = item._eprinttype;
// If we don't have both yet, continue
if(!eprint || !eprinttype) return;
var label = eprintIds[eprinttype.trim().toLowerCase()];
if(!label) return;
item._extraFields.push({field: label, value: eprint.trim()});
delete item._eprinttype;
delete item._eprint;
} else if (extraIdentifiers[field]) {
var label = extraIdentifiers[field];
item._extraFields.push({field: label, value: value.trim()});
}
}
/**
* Split a string on a provided delimiter, but not if delimiter appears inside { }
* @param {String} str String to split
* @param {RegExp} delim RegExp object for the split delimiter. Use g flag to split on each
* @return {String[]} Array of strings without delimiters
*/
function splitUnprotected(str, delim) {
delim.lastIndex = 0; // In case we're reusing a regexp
var nextPossibleSplit = delim.exec(str);
if(!nextPossibleSplit) return [str];
var parts = [], open = 0, nextPartStart = 0;
for(var i=0; i<str.length; i++) {
if(i>nextPossibleSplit.index) {
// Must have been inside braces
nextPossibleSplit = delim.exec(str);
if(!nextPossibleSplit) {
parts.push(str.substr(nextPartStart));
return parts;
}
}
if(str[i] == '\\') {
// Skip next character
i++;
continue;
}
if(str[i] == '{') {
open++;
continue;
}
if(str[i] == '}') {
open--;
if(open < 0) open = 0; // Shouldn't happen, but...
continue;
}
if(open) continue;
if(i == nextPossibleSplit.index) {
parts.push(str.substring(nextPartStart, i));
i += nextPossibleSplit[0].length - 1; // We can jump past the split delim
nextPartStart = i + 1;
nextPossibleSplit = delim.exec(str);
if(!nextPossibleSplit) {
parts.push(str.substr(nextPartStart));
return parts;
}
}
}
// I don't think we should ever get here*, but just to be safe
// *we should always be returning from the for loop
var last = str.substr(nextPartStart).trim();
if(last) parts.push(last);
return parts;
}
function parseFilePathRecord(record) {
var start = 0, fields = [];
for(var i=0; i<record.length; i++) {
if(record[i] == '\\') {
i++;
continue;
}
if(record[i] == ':') {
fields.push(decodeFilePathComponent(record.slice(start, i)));
start = i+1;
}
}
fields.push(decodeFilePathComponent(record.slice(start)));
if(fields.length != 3 && fields.length != 1) {
Zotero.debug("Unknown file path record format: " + record);
return;
}
var attachment = {};
if(fields.length == 3) {
attachment.title = fields[0].trim() || 'Attachment';
attachment.path = fields[1];
attachment.mimeType = fields[2];
if(attachment.mimeType.search(/pdf/i) != -1) {
attachment.mimeType = 'application/pdf';
}
} else {
attachment.title = 'Attachment';
attachment.path = fields[0];
}
attachment.path = attachment.path.trim();
if(!attachment.path) return;
return attachment;
}
function getFieldValue(read) {
var value = "";
// now, we have the first character of the field
if(read == "{") {
// character is a brace
var openBraces = 1, nextAsLiteral = false;
while(read = Zotero.read(1)) {
if(nextAsLiteral) { // Previous character was a backslash
value += read;
nextAsLiteral = false;
continue;
}
if(read == "\\") {
value += read;
nextAsLiteral = true;
continue;
}
if(read == "{") {
openBraces++;
value += "{";
} else if(read == "}") {
openBraces--;
if(openBraces == 0) {
break;
} else {
value += "}";
}
} else {
value += read;
}
}
} else if(read == '"') {
var openBraces = 0;
while(read = Zotero.read(1)) {
if(read == "{" && value[value.length-1] != "\\") {
openBraces++;
value += "{";
} else if(read == "}" && value[value.length-1] != "\\") {
openBraces--;
value += "}";
} else if(read == '"' && openBraces == 0) {
break;
} else {
value += read;
}
}
}
return value;
}
function unescapeBibTeX(value) {
if(value.length < 2) return value;
// replace accented characters (yucky slow)
value = value.replace(/{?(\\[`"'^~=]){?\\?([A-Za-z])}/g, "{$1$2}");
//for special characters rendered by \[a-z] we need a space
value = value.replace(/{?(\\[a-z]){?\\?([A-Za-z])}/g, "{$1 $2}");
//convert tex markup into permitted HTML
value = mapTeXmarkup(value);
for (var mapped in reversemappingTable) { // really really slow!
var unicode = reversemappingTable[mapped];
while(value.indexOf(mapped) !== -1) {
Zotero.debug("Replace " + mapped + " in " + value + " with " + unicode);
value = value.replace(mapped, unicode);
}
mapped = mapped.replace(/[{}]/g, "");
while(value.indexOf(mapped) !== -1) {
//Z.debug(value)
Zotero.debug("Replace(2) " + mapped + " in " + value + " with " + unicode);
value = value.replace(mapped, unicode);
}
}
// kill braces
value = value.replace(/([^\\])[{}]+/g, "$1");
if(value[0] == "{") {
value = value.substr(1);
}
// chop off backslashes
value = value.replace(/([^\\])\\([#$%&~_^\\{}])/g, "$1$2");
value = value.replace(/([^\\])\\([#$%&~_^\\{}])/g, "$1$2");
if(value[0] == "\\" && "#$%&~_^\\{}".indexOf(value[1]) != -1) {
value = value.substr(1);
}
if(value[value.length-1] == "\\" && "#$%&~_^\\{}".indexOf(value[value.length-2]) != -1) {
value = value.substr(0, value.length-1);
}
value = value.replace(/\\\\/g, "\\");
value = value.replace(/\s+/g, " ");
// Unescape HTML entities coming from web translators
if (Zotero.parentTranslator && value.indexOf('&') != -1) {
value = value.replace(/&#?\w+;/g, function(entity) {
var char = ZU.unescapeHTML(entity);
if (char == entity) char = ZU.unescapeHTML(entity.toLowerCase()); // Sometimes case can be incorrect and entities are case-sensitive
return char;
});
}
return value;
}
function jabrefSplit(str, sep) {
var quoted = false;
var result = [];
str = str.split('');
while (str.length > 0) {
if (result.length == 0) { result = ['']; }
if (str[0] == sep) {
str.shift();
result.push('');
} else {
if (str[0] == '\\') { str.shift(); }
result[result.length - 1] += str.shift();
}
}
return result;
}
function jabrefCollect(arr, func) {
if (arr == null) { return []; }
var result = [];
for (var i = 0; i < arr.length; i++) {
if (func(arr[i])) {
result.push(arr[i]);
}
}
return result;
}
function processComment() {
var comment = "";
var read;
var collectionPath = [];
var parentCollection, collection;
while(read = Zotero.read(1)) {
if (read == "}") { break; } // JabRef ought to escape '}' but doesn't; embedded '}' chars will break the import just as it will on JabRef itself
comment += read;
}
if (comment == 'jabref-meta: groupsversion:3;') {
jabref.format = 3;
return;
}
if (comment.indexOf('jabref-meta: groupstree:') == 0) {
if (jabref.format != 3) {
Zotero.debug("jabref: fatal: unsupported group format: " + jabref.format);
return;
}
comment = comment.replace(/^jabref-meta: groupstree:/, '').replace(/[\r\n]/gm, '')
var records = jabrefSplit(comment, ';');
while (records.length > 0) {
var record = records.shift();
var keys = jabrefSplit(record, ';');
if (keys.length < 2) { continue; }
var record = {id: keys.shift()};
record.data = record.id.match(/^([0-9]) ([^:]*):(.*)/);
if (record.data == null) {
Zotero.debug("jabref: fatal: unexpected non-match for group " + record.id);
return;
}
record.level = parseInt(record.data[1]);
record.type = record.data[2]
record.name = record.data[3]
record.intersection = keys.shift(); // 0 = independent, 1 = intersection, 2 = union
if (isNaN(record.level)) {
Zotero.debug("jabref: fatal: unexpected record level in " + record.id);
return;
}
if (record.level == 0) { continue; }
if (record.type != 'ExplicitGroup') {
Zotero.debug("jabref: fatal: group type " + record.type + " is not supported");
return;
}
collectionPath = collectionPath.slice(0, record.level - 1).concat([record.name]);
Zotero.debug("jabref: locating level " + record.level + ": " + collectionPath.join('/'));
if (jabref.root.hasOwnProperty(collectionPath[0])) {
collection = jabref.root[collectionPath[0]];
Zotero.debug("jabref: root " + collection.name + " found");
} else {
collection = new Zotero.Collection();
collection.name = collectionPath[0];
collection.type = 'collection';
collection.children = [];
jabref.root[collectionPath[0]] = collection;
Zotero.debug("jabref: root " + collection.name + " created");
}
parentCollection = null;
for (var i = 1; i < collectionPath.length; i++) {
var path = collectionPath[i];
Zotero.debug("jabref: looking for child " + path + " under " + collection.name);
var child = jabrefCollect(collection.children, function(n) { return (n.name == path)})
if (child.length != 0) {
child = child[0]
Zotero.debug("jabref: child " + child.name + " found under " + collection.name);
} else {
child = new Zotero.Collection();
child.name = path;
child.type = 'collection';
child.children = [];
collection.children.push(child);
Zotero.debug("jabref: child " + child.name + " created under " + collection.name);
}
parentCollection = collection;
collection = child;
}
if (parentCollection) {
parentCollection = jabrefCollect(parentCollection.children, function(n) { return (n.type == 'item') });
}
if (record.intersection == '2' && parentCollection) { // union with parent
collection.children = parentCollection;
}
while(keys.length > 0) {
key = keys.shift();
if (key != '') {
Zotero.debug('jabref: adding ' + key + ' to ' + collection.name);
collection.children.push({type: 'item', id: key});
}
}
if (parentCollection && record.intersection == '1') { // intersection with parent
collection.children = jabrefMap(collection.children, function(n) { parentCollection.indexOf(n) !== -1; });
}
}
}
}
function beginRecord(type, closeChar) {
type = Zotero.Utilities.trimInternal(type.toLowerCase());
if(type != "string") {
var zoteroType = bibtex2zoteroTypeMap[type];
if (!zoteroType) {
Zotero.debug("discarded item from BibTeX; type was "+type);
return;
}
var item = new Zotero.Item(zoteroType);
item._extraFields = [];
}
var field = "";
// by setting dontRead to true, we can skip a read on the next iteration
// of this loop. this is useful after we read past the end of a string.
var dontRead = false;
var value, rawValue;
while(dontRead || (read = Zotero.read(1))) {
dontRead = false;
if(read == "=") { // equals begin a field
// read whitespace
var read = Zotero.read(1);
while(" \n\r\t".indexOf(read) != -1) {
read = Zotero.read(1);
}
if(keyRe.test(read)) {
// read numeric data here, since we might get an end bracket
// that we should care about
value = "";
value += read;
// character is a number
while((read = Zotero.read(1)) && keyRe.test(read)) {
value += read;
}
// don't read the next char; instead, process the character
// we already read past the end of the string
dontRead = true;
// see if there's a defined string
if(strings[value]) value = strings[value];
} else {
rawValue = getFieldValue(read);
value = unescapeBibTeX(rawValue);
}
if(item) {
processField(item, field.toLowerCase(), value, rawValue);
} else if(type == "string") {
strings[field] = value;
}
field = "";
} else if(read == ",") { // commas reset
if (item.itemID == null) {
item.itemID = field; // itemID = citekey
}
field = "";
} else if(read == closeChar) {
if(item) {
item.extra = extraFieldsToString(item._extraFields);
delete item._extraFields;
if (!item.publisher && item.backupPublisher){
item.publisher=item.backupPublisher;
delete item.backupPublisher;
}
item.complete();
}
return;
} else if(" \n\r\t".indexOf(read) == -1) { // skip whitespace
field += read;
}
}
}
function doImport() {
var read = "", text = "", recordCloseElement = false;
var type = false;
while(read = Zotero.read(1)) {
if(read == "@") {
type = "";
} else if(type !== false) {
if(type == "comment") {
processComment();
type = false;
} else if(read == "{") { // possible open character
beginRecord(type, "}");
type = false;
} else if(read == "(") { // possible open character
beginRecord(type, ")");
type = false;
} else if(/[a-zA-Z0-9-_]/.test(read)) {
type += read;
}
}
}
for (var key in jabref.root) {
if (jabref.root.hasOwnProperty(key)) { jabref.root[key].complete(); }
}
}
// some fields are, in fact, macros. If that is the case then we should not put the
// data in the braces as it will cause the macros to not expand properly
function writeField(field, value, isMacro) {
if (!value && typeof value != "number") return;
value = value + ""; // convert integers to strings
Zotero.write(",\n\t" + field + " = ");
if (!isMacro) Zotero.write("{");
// url field is preserved, for use with \href and \url
// Other fields (DOI?) may need similar treatment
if (!isMacro && !(field == "url" || field == "doi" || field == "file" || field == "lccn" )) {
// I hope these are all the escape characters!
value = escapeSpecialCharacters(value);
if (caseProtectedFields.indexOf(field) != -1) {
value = ZU.XRegExp.replace(value, protectCapsRE, "$1{$2$3}"); // only $2 or $3 will have a value, not both
}
}
if (Zotero.getOption("exportCharset") != "UTF-8") {
value = value.replace(/[\u0080-\uFFFF]/g, mapAccent);
}
//convert the HTML markup allowed in Zotero for rich text to TeX; excluding doi/url/file shouldn't be necessary, but better to be safe;
if (!((field == "url") || (field == "doi") || (field == "file"))) value = mapHTMLmarkup(value);
Zotero.write(value);
if (!isMacro) Zotero.write("}");
}
function mapHTMLmarkup(characters){
//converts the HTML markup allowed in Zotero for rich text to TeX
//since < and > have already been escaped, we need this rather hideous code - I couldn't see a way around it though.
//italics and bold
characters = characters.replace(/\{\\textless\}i\{\\textgreater\}(.+?)\{\\textless\}\/i{\\textgreater\}/g, "\\textit{$1}")
.replace(/\{\\textless\}b\{\\textgreater\}(.+?)\{\\textless\}\/b{\\textgreater\}/g, "\\textbf{$1}");
//sub and superscript
characters = characters.replace(/\{\\textless\}sup\{\\textgreater\}(.+?)\{\\textless\}\/sup{\\textgreater\}/g, "\$^{\\textrm{$1}}\$")
.replace(/\{\\textless\}sub\{\\textgreater\}(.+?)\{\\textless\}\/sub\{\\textgreater\}/g, "\$_{\\textrm{$1}}\$");
//two variants of small caps
characters = characters.replace(/\{\\textless\}span\sstyle=\"small\-caps\"\{\\textgreater\}(.+?)\{\\textless\}\/span{\\textgreater\}/g, "\\textsc{$1}")
.replace(/\{\\textless\}sc\{\\textgreater\}(.+?)\{\\textless\}\/sc\{\\textgreater\}/g, "\\textsc{$1}");
return characters;
}
function mapTeXmarkup(tex){
//reverse of the above - converts tex mark-up into html mark-up permitted by Zotero
//italics and bold
tex = tex.replace(/\\textit\{([^\}]+\})/g, "<i>$1</i>").replace(/\\textbf\{([^\}]+\})/g, "<b>$1</b>");
//two versions of subscript the .* after $ is necessary because people m
tex = tex.replace(/\$[^\{\$]*_\{([^\}]+\})\$/g, "<sub>$1</sub>").replace(/\$[^\{]*_\{\\textrm\{([^\}]+\}\})/g, "<sub>$1</sub>");
//two version of superscript
tex = tex.replace(/\$[^\{]*\^\{([^\}]+\}\$)/g, "<sup>$1</sup>").replace(/\$[^\{]*\^\{\\textrm\{([^\}]+\}\})/g, "<sup>$1</sup>");
//small caps
tex = tex.replace(/\\textsc\{([^\}]+)/g, "<span style=\"small-caps\">$1</span>");
return tex;
}
//Disable the isTitleCase function until we decide what to do with it.
/* const skipWords = ["but", "or", "yet", "so", "for", "and", "nor",
"a", "an", "the", "at", "by", "from", "in", "into", "of", "on",
"to", "with", "up", "down", "as", "while", "aboard", "about",
"above", "across", "after", "against", "along", "amid", "among",
"anti", "around", "as", "before", "behind", "below", "beneath",
"beside", "besides", "between", "beyond", "but", "despite",
"down", "during", "except", "for", "inside", "like", "near",
"off", "onto", "over", "past", "per", "plus", "round", "save",
"since", "than", "through", "toward", "towards", "under",
"underneath", "unlike", "until", "upon", "versus", "via",
"within", "without"];
function isTitleCase(string) {
const wordRE = /[\s[(]([^\s,\.:?!\])]+)/g;
var word;
while (word = wordRE.exec(string)) {
word = word[1];
if(word.search(/\d/) != -1 //ignore words with numbers (including just numbers)
|| skipWords.indexOf(word.toLowerCase()) != -1) {
continue;
}
if(word.toLowerCase() == word) return false;
}
return true;
}
*/
// See http://tex.stackexchange.com/questions/230750/open-brace-in-bibtex-fields/230754
var vphantomRe = /\\vphantom{\\}}((?:.(?!\\vphantom{\\}}))*)\\vphantom{\\{}/g;
function escapeSpecialCharacters(str) {
var newStr = str.replace(/[|\<\>\~\^\\\{\}]/g, function(c) { return alwaysMap[c] })
.replace(/([\#\$\%\&\_])/g, "\\$1");
// We escape each brace in the text by making sure that it has a counterpart,
// but sometimes this is overkill if the brace already has a counterpart in
// the text.
if (newStr.indexOf('\\vphantom') != -1) {
var m;
while (m = vphantomRe.exec(newStr)) {
// Can't use a simple replace, because we want to match up inner with inner
// and outer with outer
newStr = newStr.substr(0,m.index) + m[1] + newStr.substr(m.index + m[0].length);