zotero/chrome/content/zotero/xpcom/utilities.js
Adomas Venčkauskas dbeecb9b0a Make itemFromCSLJSON independent of Zotero.Item existance.
Addresses !zotero/zotero-connectors#121"
2017-05-08 09:24:34 +03:00

2100 lines
64 KiB
JavaScript

/*
***** BEGIN LICENSE BLOCK *****
Copyright © 2009 Center for History and New Media
George Mason University, Fairfax, Virginia, USA
http://zotero.org
This file is part of Zotero.
Zotero is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Zotero is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with Zotero. If not, see <http://www.gnu.org/licenses/>.
Utilities based in part on code taken from Piggy Bank 2.1.1 (BSD-licensed)
***** END LICENSE BLOCK *****
*/
/*
* Mappings for names
* Note that this is the reverse of the text variable map, since all mappings should be one to one
* and it makes the code cleaner
*/
var CSL_NAMES_MAPPINGS = {
"author":"author",
"editor":"editor",
"bookAuthor":"container-author",
"composer":"composer",
"director":"director",
"interviewer":"interviewer",
"recipient":"recipient",
"reviewedAuthor":"reviewed-author",
"seriesEditor":"collection-editor",
"translator":"translator"
}
/*
* Mappings for text variables
*/
var CSL_TEXT_MAPPINGS = {
"title":["title"],
"container-title":["publicationTitle", "reporter", "code"], /* reporter and code should move to SQL mapping tables */
"collection-title":["seriesTitle", "series"],
"collection-number":["seriesNumber"],
"publisher":["publisher", "distributor"], /* distributor should move to SQL mapping tables */
"publisher-place":["place"],
"authority":["court","legislativeBody", "issuingAuthority"],
"page":["pages"],
"volume":["volume", "codeNumber"],
"issue":["issue", "priorityNumbers"],
"number-of-volumes":["numberOfVolumes"],
"number-of-pages":["numPages"],
"edition":["edition"],
"version":["versionNumber"],
"section":["section", "committee"],
"genre":["type", "programmingLanguage"],
"source":["libraryCatalog"],
"dimensions": ["artworkSize", "runningTime"],
"medium":["medium", "system"],
"scale":["scale"],
"archive":["archive"],
"archive_location":["archiveLocation"],
"event":["meetingName", "conferenceName"], /* these should be mapped to the same base field in SQL mapping tables */
"event-place":["place"],
"abstract":["abstractNote"],
"URL":["url"],
"DOI":["DOI"],
"ISBN":["ISBN"],
"ISSN":["ISSN"],
"call-number":["callNumber", "applicationNumber"],
"note":["extra"],
"number":["number"],
"chapter-number":["session"],
"references":["history", "references"],
"shortTitle":["shortTitle"],
"journalAbbreviation":["journalAbbreviation"],
"status":["legalStatus"],
"language":["language"]
}
/*
* Mappings for dates
*/
var CSL_DATE_MAPPINGS = {
"issued":"date",
"accessed":"accessDate",
"submitted":"filingDate"
}
/*
* Mappings for types
* Also see itemFromCSLJSON
*/
var CSL_TYPE_MAPPINGS = {
'book':"book",
'bookSection':'chapter',
'journalArticle':"article-journal",
'magazineArticle':"article-magazine",
'newspaperArticle':"article-newspaper",
'thesis':"thesis",
'encyclopediaArticle':"entry-encyclopedia",
'dictionaryEntry':"entry-dictionary",
'conferencePaper':"paper-conference",
'letter':"personal_communication",
'manuscript':"manuscript",
'interview':"interview",
'film':"motion_picture",
'artwork':"graphic",
'webpage':"webpage",
'report':"report",
'bill':"bill",
'case':"legal_case",
'hearing':"bill", // ??
'patent':"patent",
'statute':"legislation", // ??
'email':"personal_communication",
'map':"map",
'blogPost':"post-weblog",
'instantMessage':"personal_communication",
'forumPost':"post",
'audioRecording':"song", // ??
'presentation':"speech",
'videoRecording':"motion_picture",
'tvBroadcast':"broadcast",
'radioBroadcast':"broadcast",
'podcast':"song", // ??
'computerProgram':"book", // ??
'document':"article",
'note':"article",
'attachment':"article"
};
/**
* @class Functions for text manipulation and other miscellaneous purposes
*/
Zotero.Utilities = {
/**
* Cleans extraneous punctuation off a creator name and parse into first and last name
*
* @param {String} author Creator string
* @param {String} type Creator type string (e.g., "author" or "editor")
* @param {Boolean} useComma Whether the creator string is in inverted (Last, First) format
* @return {Object} firstName, lastName, and creatorType
*/
"cleanAuthor":function(author, type, useComma) {
var allCaps = 'A-Z' +
'\u0400-\u042f'; //cyrilic
var allCapsRe = new RegExp('^[' + allCaps + ']+$');
var initialRe = new RegExp('^-?[' + allCaps + ']$');
if(typeof(author) != "string") {
throw "cleanAuthor: author must be a string";
}
author = author.replace(/^[\s\u00A0\.\,\/\[\]\:]+/, '')
.replace(/[\s\u00A0\.\,\/\[\]\:]+$/, '')
.replace(/[\s\u00A0]+/, ' ');
if(useComma) {
// Add spaces between periods
author = author.replace(/\.([^ ])/, ". $1");
var splitNames = author.split(/, ?/);
if(splitNames.length > 1) {
var lastName = splitNames[0];
var firstName = splitNames[1];
} else {
var lastName = author;
}
} else {
// Don't parse "Firstname Lastname [Country]" as "[Country], Firstname Lastname"
var spaceIndex = author.length;
do {
spaceIndex = author.lastIndexOf(" ", spaceIndex-1);
var lastName = author.substring(spaceIndex + 1);
var firstName = author.substring(0, spaceIndex);
} while (!Zotero.Utilities.XRegExp('\\pL').test(lastName[0]) && spaceIndex > 0)
}
if(firstName && allCapsRe.test(firstName) &&
firstName.length < 4 &&
(firstName.length == 1 || lastName.toUpperCase() != lastName)) {
// first name is probably initials
var newFirstName = "";
for(var i=0; i<firstName.length; i++) {
newFirstName += " "+firstName[i]+".";
}
firstName = newFirstName.substr(1);
}
//add periods after all the initials
if(firstName) {
var names = firstName.replace(/^[\s\.]+/,'')
.replace(/[\s\,]+$/,'')
//remove spaces surronding any dashes
.replace(/\s*([\u002D\u00AD\u2010-\u2015\u2212\u2E3A\u2E3B])\s*/,'-')
.split(/(?:[\s\.]+|(?=-))/);
var newFirstName = '';
for(var i=0, n=names.length; i<n; i++) {
newFirstName += names[i];
if(initialRe.test(names[i])) newFirstName += '.';
newFirstName += ' ';
}
firstName = newFirstName.replace(/ -/g,'-').trim();
}
return {firstName:firstName, lastName:lastName, creatorType:type};
},
/**
* Removes leading and trailing whitespace from a string
* @type String
*/
"trim":function(/**String*/ s) {
if (typeof(s) != "string") {
throw "trim: argument must be a string";
}
s = s.replace(/^\s+/, "");
return s.replace(/\s+$/, "");
},
/**
* Cleans whitespace off a string and replaces multiple spaces with one
* @type String
*/
"trimInternal":function(/**String*/ s) {
if (typeof(s) != "string") {
throw new Error("trimInternal: argument must be a string");
}
s = s.replace(/[\xA0\r\n\s]+/g, " ");
return this.trim(s);
},
/**
* Cleans any non-word non-parenthesis characters off the ends of a string
* @type String
*/
"superCleanString":function(/**String*/ x) {
if(typeof(x) != "string") {
throw "superCleanString: argument must be a string";
}
var x = x.replace(/^[\x00-\x27\x29-\x2F\x3A-\x40\x5B-\x60\x7B-\x7F\s]+/, "");
return x.replace(/[\x00-\x28\x2A-\x2F\x3A-\x40\x5B-\x60\x7B-\x7F\s]+$/, "");
},
/**
* Cleans a http url string
* @param url {String}
* @params tryHttp {Boolean} Attempt prepending 'http://' to the url
* @returns {String}
*/
cleanURL: function(url, tryHttp=false) {
url = url.trim();
if (!url) return false;
var ios = Components.classes["@mozilla.org/network/io-service;1"]
.getService(Components.interfaces.nsIIOService);
try {
return ios.newURI(url, null, null).spec; // Valid URI if succeeds
} catch (e) {
if (e instanceof Components.Exception
&& e.result == Components.results.NS_ERROR_MALFORMED_URI
) {
if (tryHttp && /\w\.\w/.test(url)) {
// Assume it's a URL missing "http://" part
try {
return ios.newURI('http://' + url, null, null).spec;
} catch (e) {}
}
Zotero.debug('cleanURL: Invalid URI: ' + url, 2);
return false;
}
throw e;
}
},
/**
* Eliminates HTML tags, replacing &lt;br&gt;s with newlines
* @type String
*/
"cleanTags":function(/**String*/ x) {
if(typeof(x) != "string") {
throw "cleanTags: argument must be a string";
}
x = x.replace(/<br[^>]*>/gi, "\n");
return x.replace(/<[^>]+>/g, "");
},
/**
* Strip info:doi prefix and any suffixes from a DOI
* @type String
*/
"cleanDOI":function(/**String**/ x) {
if(typeof(x) != "string") {
throw "cleanDOI: argument must be a string";
}
var doi = x.match(/10\.[0-9]{4,}\/[^\s]*[^\s\.,]/);
return doi ? doi[0] : null;
},
/**
* Clean and validate ISBN.
* Return isbn if valid, otherwise return false
* @param {String} isbn
* @param {Boolean} [dontValidate=false] Do not validate check digit
* @return {String|Boolean} Valid ISBN or false
*/
"cleanISBN":function(isbnStr, dontValidate) {
isbnStr = isbnStr.toUpperCase()
.replace(/[\x2D\xAD\u2010-\u2015\u2043\u2212]+/g, ''); // Ignore dashes
var isbnRE = /\b(?:97[89]\s*(?:\d\s*){9}\d|(?:\d\s*){9}[\dX])\b/g,
isbnMatch;
while(isbnMatch = isbnRE.exec(isbnStr)) {
var isbn = isbnMatch[0].replace(/\s+/g, '');
if (dontValidate) {
return isbn;
}
if(isbn.length == 10) {
// Verify ISBN-10 checksum
var sum = 0;
for (var i = 0; i < 9; i++) {
sum += isbn[i] * (10-i);
}
//check digit might be 'X'
sum += (isbn[9] == 'X')? 10 : isbn[9]*1;
if (sum % 11 == 0) return isbn;
} else {
// Verify ISBN 13 checksum
var sum = 0;
for (var i = 0; i < 12; i+=2) sum += isbn[i]*1; //to make sure it's int
for (var i = 1; i < 12; i+=2) sum += isbn[i]*3;
sum += isbn[12]*1; //add the check digit
if (sum % 10 == 0 ) return isbn;
}
isbnRE.lastIndex = isbnMatch.index + 1; // Retry the same spot + 1
}
return false;
},
/*
* Convert ISBN 10 to ISBN 13
* @param {String} isbn ISBN 10 or ISBN 13
* cleanISBN
* @return {String} ISBN-13
*/
"toISBN13": function(isbnStr) {
var isbn;
if (!(isbn = Zotero.Utilities.cleanISBN(isbnStr, true))) {
throw new Error('ISBN not found in "' + isbnStr + '"');
}
if (isbn.length == 13) {
isbn = isbn.substr(0,12); // Strip off check digit and re-calculate it
} else {
isbn = '978' + isbn.substr(0,9);
}
var sum = 0;
for (var i = 0; i < 12; i++) {
sum += isbn[i] * (i%2 ? 3 : 1);
}
var checkDigit = 10 - (sum % 10);
if (checkDigit == 10) checkDigit = 0;
return isbn + checkDigit;
},
/**
* Clean and validate ISSN.
* Return issn if valid, otherwise return false
*/
"cleanISSN":function(/**String*/ issnStr) {
issnStr = issnStr.toUpperCase()
.replace(/[\x2D\xAD\u2010-\u2015\u2043\u2212]+/g, ''); // Ignore dashes
var issnRE = /\b(?:\d\s*){7}[\dX]\b/g,
issnMatch;
while (issnMatch = issnRE.exec(issnStr)) {
var issn = issnMatch[0].replace(/\s+/g, '');
// Verify ISSN checksum
var sum = 0;
for (var i = 0; i < 7; i++) {
sum += issn[i] * (8-i);
}
//check digit might be 'X'
sum += (issn[7] == 'X')? 10 : issn[7]*1;
if (sum % 11 == 0) {
return issn.substring(0,4) + '-' + issn.substring(4);
}
issnRE.lastIndex = issnMatch.index + 1; // Retry same spot + 1
}
return false;
},
/**
* Convert plain text to HTML by replacing special characters and replacing newlines with BRs or
* P tags
* @param {String} str Plain text string
* @param {Boolean} singleNewlineIsParagraph Whether single newlines should be considered as
* paragraphs. If true, each newline is replaced with a P tag. If false, double newlines
* are replaced with P tags, while single newlines are replaced with BR tags.
* @type String
*/
"text2html":function (/**String**/ str, /**Boolean**/ singleNewlineIsParagraph) {
str = Zotero.Utilities.htmlSpecialChars(str);
// \n => <p>
if (singleNewlineIsParagraph) {
str = '<p>'
+ str.replace(/\n/g, '</p><p>')
.replace(/ /g, '&nbsp; ')
+ '</p>';
}
// \n\n => <p>, \n => <br/>
else {
str = '<p>'
+ str.replace(/\n\n/g, '</p><p>')
.replace(/\n/g, '<br/>')
.replace(/ /g, '&nbsp; ')
+ '</p>';
}
return str.replace(/<p>\s*<\/p>/g, '<p>&nbsp;</p>');
},
/**
* Encode special XML/HTML characters
* Certain entities can be inserted manually:
* <ZOTEROBREAK/> => <br/>
* <ZOTEROHELLIP/> => &#8230;
*
* @param {String} str
* @return {String}
*/
"htmlSpecialChars":function(str) {
if (str && typeof str != 'string') {
Zotero.debug('#htmlSpecialChars: non-string arguments are deprecated. Update your code',
1, undefined, true);
str = str.toString();
}
if (!str) return '';
return str
.replace(/&/g, '&amp;')
.replace(/"/g, '&quot;')
.replace(/'/g, '&apos;')
.replace(/</g, '&lt;')
.replace(/>/g, '&gt;')
.replace(/&lt;ZOTERO([^\/]+)\/&gt;/g, function (str, p1, offset, s) {
switch (p1) {
case 'BREAK':
return '<br/>';
case 'HELLIP':
return '&#8230;';
default:
return p1;
}
});
},
/**
* Decodes HTML entities within a string, returning plain text
* @type String
*/
"unescapeHTML":new function() {
var nsIScriptableUnescapeHTML, node;
return function(/**String*/ str) {
// If no tags, no need to unescape
if(str.indexOf("<") === -1 && str.indexOf("&") === -1) return str;
if(Zotero.isFx && !Zotero.isBookmarklet) {
// Create a node and use the textContent property to do unescaping where
// possible, because this approach preserves line endings in the HTML
if(node === undefined) {
node = Zotero.Utilities.Internal.getDOMDocument().createElement("div");
}
node.innerHTML = str;
return node.textContent.replace(/ {2,}/g, " ");
} else if(Zotero.isNode) {
/*var doc = require('jsdom').jsdom(str, null, {
"features":{
"FetchExternalResources":false,
"ProcessExternalResources":false,
"MutationEvents":false,
"QuerySelector":false
}
});
if(!doc.documentElement) return str;
return doc.documentElement.textContent;*/
return Zotero.Utilities.cleanTags(str);
} else {
if(!node) node = document.createElement("div");
node.innerHTML = str;
return ("textContent" in node ? node.textContent : node.innerText).replace(/ {2,}/g, " ");
}
};
},
/**
* Converts text inside a DOM object to plain text preserving text formatting
* appropriate for given field
*
* @param {DOMNode} rootNode Node containing all the text that needs to be extracted
* @param {String} targetField Zotero item field that the text is meant for
*
* @return {String} Zotero formatted string
*/
"dom2text": function(rootNode, targetField) {
// TODO: actually do this
return Zotero.Utilities.trimInternal(rootNode.textContent);
},
/**
* Wrap URLs and DOIs in <a href=""> links in plain text
*
* Ignore URLs preceded by '>', just in case there are already links
* @type String
*/
"autoLink":function (/**String**/ str) {
// "http://www.google.com."
// "http://www.google.com. "
// "<http://www.google.com>" (and other characters, with or without a space after)
str = str.replace(/([^>])(https?:\/\/[^\s]+)([\."'>:\]\)](\s|$))/g, '$1<a href="$2">$2</a>$3');
// "http://www.google.com"
// "http://www.google.com "
str = str.replace(/([^">])(https?:\/\/[^\s]+)(\s|$)/g, '$1<a href="$2">$2</a>$3');
// DOI
str = str.replace(/(doi:[ ]*)(10\.[^\s]+[0-9a-zA-Z])/g, '$1<a href="http://dx.doi.org/$2">$2</a>');
return str;
},
/**
* Parses a text string for HTML/XUL markup and returns an array of parts. Currently only finds
* HTML links (&lt;a&gt; tags)
*
* @return {Array} An array of objects with the following form:<br>
* <pre> {
* type: 'text'|'link',
* text: "text content",
* [ attributes: { key1: val [ , key2: val, ...] }
* }</pre>
*/
"parseMarkup":function(/**String*/ str) {
var parts = [];
var splits = str.split(/(<a [^>]+>[^<]*<\/a>)/);
for(var i=0; i<splits.length; i++) {
// Link
if (splits[i].indexOf('<a ') == 0) {
var matches = splits[i].match(/<a ([^>]+)>([^<]*)<\/a>/);
if (matches) {
// Attribute pairs
var attributes = {};
var pairs = matches[1].match(/([^ =]+)="([^"]+")/g);
for(var j=0; j<pairs.length; j++) {
var keyVal = pairs[j].split(/=/);
attributes[keyVal[0]] = keyVal[1].substr(1, keyVal[1].length - 2);
}
parts.push({
type: 'link',
text: matches[2],
attributes: attributes
});
continue;
}
}
parts.push({
type: 'text',
text: splits[i]
});
}
return parts;
},
/**
* Calculates the Levenshtein distance between two strings
* @type Number
*/
"levenshtein":function (/**String*/ a, /**String**/ b) {
var aLen = a.length;
var bLen = b.length;
var arr = new Array(aLen+1);
var i, j, cost;
for (i = 0; i <= aLen; i++) {
arr[i] = new Array(bLen);
arr[i][0] = i;
}
for (j = 0; j <= bLen; j++) {
arr[0][j] = j;
}
for (i = 1; i <= aLen; i++) {
for (j = 1; j <= bLen; j++) {
cost = (a[i-1] == b[j-1]) ? 0 : 1;
arr[i][j] = Math.min(arr[i-1][j] + 1, Math.min(arr[i][j-1] + 1, arr[i-1][j-1] + cost));
}
}
return arr[aLen][bLen];
},
/**
* Test if an object is empty
*
* @param {Object} obj
* @type Boolean
*/
"isEmpty":function (obj) {
for (var i in obj) {
return false;
}
return true;
},
/**
* Compares an array with another and returns an array with
* the values from array1 that don't exist in array2
*
* @param {Array} array1
* @param {Array} array2
* @param {Boolean} useIndex If true, return an array containing just
* the index of array2's elements;
* otherwise return the values
*/
"arrayDiff":function(array1, array2, useIndex) {
if (!Array.isArray(array1)) {
throw new Error("array1 is not an array (" + array1 + ")");
}
if (!Array.isArray(array2)) {
throw new Error("array2 is not an array (" + array2 + ")");
}
var val, pos, vals = [];
for (var i=0; i<array1.length; i++) {
val = array1[i];
pos = array2.indexOf(val);
if (pos == -1) {
vals.push(useIndex ? pos : val);
}
}
return vals;
},
/**
* Determine whether two arrays are identical
*
* Modified from http://stackoverflow.com/a/14853974
*
* @return {Boolean}
*/
"arrayEquals": function (array1, array2) {
// If either array is a falsy value, return
if (!array1 || !array2)
return false;
// Compare lengths - can save a lot of time
if (array1.length != array2.length)
return false;
for (var i = 0, l=array1.length; i < l; i++) {
// Check if we have nested arrays
if (array1[i] instanceof Array && array2[i] instanceof Array) {
// Recurse into the nested arrays
if (!this.arrayEquals(array1[i], array2[i])) {
return false;
}
}
else if (array1[i] != array2[i]) {
// Warning - two different object instances will never be equal: {x:20} != {x:20}
return false;
}
}
return true;
},
/**
* Return new array with values shuffled
*
* From http://stackoverflow.com/a/6274398
*
* @param {Array} arr
* @return {Array}
*/
"arrayShuffle": function (array) {
var counter = array.length, temp, index;
// While there are elements in the array
while (counter--) {
// Pick a random index
index = (Math.random() * counter) | 0;
// And swap the last element with it
temp = array[counter];
array[counter] = array[index];
array[index] = temp;
}
return array;
},
/**
* Return new array with duplicate values removed
*
* @param {Array} array
* @return {Array}
*/
arrayUnique: function (arr) {
return [...new Set(arr)];
},
/**
* Run a function on chunks of a given size of an array's elements.
*
* @param {Array} arr
* @param {Integer} chunkSize
* @param {Function} func
* @return {Array} The return values from the successive runs
*/
"forEachChunk":function(arr, chunkSize, func) {
var retValues = [];
var tmpArray = arr.concat();
var num = arr.length;
var done = 0;
do {
var chunk = tmpArray.splice(0, chunkSize);
done += chunk.length;
retValues.push(func(chunk));
}
while (done < num);
return retValues;
},
/**
* Assign properties to an object
*
* @param {Object} target
* @param {Object} source
* @param {String[]} [props] Properties to assign. Assign all otherwise
*/
"assignProps": function(target, source, props) {
if (!props) props = Object.keys(source);
for (var i=0; i<props.length; i++) {
if (source[props[i]] === undefined) continue;
target[props[i]] = source[props[i]];
}
},
/**
* Generate a random integer between min and max inclusive
*
* @param {Integer} min
* @param {Integer} max
* @return {Integer}
*/
"rand":function (min, max) {
return Math.floor(Math.random() * (max - min + 1)) + min;
},
/**
* Parse a page range
*
* @param {String} Page range to parse
* @return {Integer[]} Start and end pages
*/
"getPageRange":function(pages) {
const pageRangeRegexp = /^\s*([0-9]+) ?[-\u2013] ?([0-9]+)\s*$/
var pageNumbers;
var m = pageRangeRegexp.exec(pages);
if(m) {
// A page range
pageNumbers = [m[1], m[2]];
} else {
// Assume start and end are the same
pageNumbers = [pages, pages];
}
return pageNumbers;
},
/**
* Pads a number or other string with a given string on the left
*
* @param {String} string String to pad
* @param {String} pad String to use as padding
* @length {Integer} length Length of new padded string
* @type String
*/
"lpad":function(string, pad, length) {
string = string ? string + '' : '';
while(string.length < length) {
string = pad + string;
}
return string;
},
/**
* Shorten and add an ellipsis to a string if necessary
*
* @param {String} str
* @param {Integer} len
* @param {Boolean} [wordBoundary=false]
* @param {Boolean} [countChars=false]
*/
ellipsize: function (str, len, wordBoundary = false, countChars) {
if (!len) {
throw ("Length not specified in Zotero.Utilities.ellipsize()");
}
if (str.length <= len) {
return str;
}
let radius = Math.min(len, 5);
if (wordBoundary) {
let min = len - radius;
// If next character is a space, include that so we stop at len
if (str.charAt(len).match(/\s/)) {
radius++;
}
// Remove trailing characters and spaces, up to radius
str = str.substr(0, min) + str.substr(min, radius).replace(/\W*\s\S*$/, "");
}
else {
str = str.substr(0, len)
}
return str + '\u2026' + (countChars ? ' (' + str.length + ' chars)' : '');
},
/**
* Return the proper plural form of a string
*
* For now, this is only used for debug output in English.
*
* @param {Integer} num
* @param {String[]} forms - An array of plural forms (e.g., ['object', 'objects']); currently only
* the two English forms are supported, for 1 and 0/many
* @return {String}
*/
pluralize: function (num, forms) {
return num == 1 ? forms[0] : forms[1];
},
/**
* Port of PHP's number_format()
*
* MIT Licensed
*
* From http://kevin.vanzonneveld.net
* + original by: Jonas Raoni Soares Silva (http://www.jsfromhell.com)
* + improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
* + bugfix by: Michael White (http://getsprink.com)
* + bugfix by: Benjamin Lupton
* + bugfix by: Allan Jensen (http://www.winternet.no)
* + revised by: Jonas Raoni Soares Silva (http://www.jsfromhell.com)
* + bugfix by: Howard Yeend
* * example 1: number_format(1234.5678, 2, '.', '');
* * returns 1: 1234.57
*/
"numberFormat":function (number, decimals, dec_point, thousands_sep) {
var n = number, c = isNaN(decimals = Math.abs(decimals)) ? 2 : decimals;
var d = dec_point == undefined ? "." : dec_point;
var t = thousands_sep == undefined ? "," : thousands_sep, s = n < 0 ? "-" : "";
var i = parseInt(n = Math.abs(+n || 0).toFixed(c)) + "", j = (j = i.length) > 3 ? j % 3 : 0;
return s + (j ? i.substr(0, j) + t : "") + i.substr(j).replace(/(\d{3})(?=\d)/g, "$1" + t) + (c ? d + Math.abs(n - i).toFixed(c).slice(2) : "");
},
/**
* Cleans a title, converting it to title case and replacing " :" with ":"
*
* @param {String} string
* @param {Boolean} force Forces title case conversion, even if the capitalizeTitles pref is off
* @type String
*/
"capitalizeTitle":function(string, force) {
const skipWords = ["but", "or", "yet", "so", "for", "and", "nor", "a", "an",
"the", "at", "by", "from", "in", "into", "of", "on", "to", "with", "up",
"down", "as"];
// this may only match a single character
const delimiterRegexp = /([ \/\u002D\u00AD\u2010-\u2015\u2212\u2E3A\u2E3B])/;
string = this.trimInternal(string);
string = string.replace(/ : /g, ": ");
if(force === false || (!Zotero.Prefs.get('capitalizeTitles') && !force)) return string;
if(!string) return "";
// split words
var words = string.split(delimiterRegexp);
var isUpperCase = string.toUpperCase() == string;
var newString = "";
var delimiterOffset = words[0].length;
var lastWordIndex = words.length-1;
var previousWordIndex = -1;
for(var i=0; i<=lastWordIndex; i++) {
// only do manipulation if not a delimiter character
if(words[i].length != 0 && (words[i].length != 1 || !delimiterRegexp.test(words[i]))) {
var upperCaseVariant = words[i].toUpperCase();
var lowerCaseVariant = words[i].toLowerCase();
// only use if word does not already possess some capitalization
if(isUpperCase || words[i] == lowerCaseVariant) {
if(
// a skip word
skipWords.indexOf(lowerCaseVariant.replace(/[^a-zA-Z]+/, "")) != -1
// not first or last word
&& i != 0 && i != lastWordIndex
// does not follow a colon
&& (previousWordIndex == -1 || words[previousWordIndex][words[previousWordIndex].length-1].search(/[:\?!]/)==-1)
) {
words[i] = lowerCaseVariant;
} else {
// this is not a skip word or comes after a colon;
// we must capitalize
// handle punctuation in the beginning, including multiple, as in "¿Qué pasa?"
var punct = words[i].match(/^[\'\"¡¿“‘„«\s]+/);
punct = punct ? punct[0].length+1 : 1;
words[i] = words[i].length ? words[i].substr(0, punct).toUpperCase() +
words[i].substr(punct).toLowerCase() : words[i];
}
}
previousWordIndex = i;
}
newString += words[i];
}
return newString;
},
"capitalize": function (str) {
if (typeof str != 'string') throw new Error("Argument must be a string");
if (!str) return str; // Empty string
return str[0].toUpperCase() + str.substr(1);
},
/**
* Replaces accented characters in a string with ASCII equivalents
*
* @param {String} str
* @param {Boolean} [lowercaseOnly] Limit conversions to lowercase characters
* (for improved performance on lowercase input)
* @return {String}
*
* From http://lehelk.com/2011/05/06/script-to-remove-diacritics/
*/
"removeDiacritics": function (str, lowercaseOnly) {
// Short-circuit on the most basic input
if (/^[a-zA-Z0-9_-]*$/.test(str)) return str;
var map = this._diacriticsRemovalMap.lowercase;
for (var i=0, len=map.length; i<len; i++) {
str = str.replace(map[i].letters, map[i].base);
}
if (!lowercaseOnly) {
var map = this._diacriticsRemovalMap.uppercase;
for (var i=0, len=map.length; i<len; i++) {
str = str.replace(map[i].letters, map[i].base);
}
}
return str;
},
"_diacriticsRemovalMap": {
uppercase: [
{'base':'A', 'letters':/[\u0041\u24B6\uFF21\u00C0\u00C1\u00C2\u1EA6\u1EA4\u1EAA\u1EA8\u00C3\u0100\u0102\u1EB0\u1EAE\u1EB4\u1EB2\u0226\u01E0\u00C4\u01DE\u1EA2\u00C5\u01FA\u01CD\u0200\u0202\u1EA0\u1EAC\u1EB6\u1E00\u0104\u023A\u2C6F]/g},
{'base':'AA','letters':/[\uA732]/g},
{'base':'AE','letters':/[\u00C6\u01FC\u01E2]/g},
{'base':'AO','letters':/[\uA734]/g},
{'base':'AU','letters':/[\uA736]/g},
{'base':'AV','letters':/[\uA738\uA73A]/g},
{'base':'AY','letters':/[\uA73C]/g},
{'base':'B', 'letters':/[\u0042\u24B7\uFF22\u1E02\u1E04\u1E06\u0243\u0182\u0181]/g},
{'base':'C', 'letters':/[\u0043\u24B8\uFF23\u0106\u0108\u010A\u010C\u00C7\u1E08\u0187\u023B\uA73E]/g},
{'base':'D', 'letters':/[\u0044\u24B9\uFF24\u1E0A\u010E\u1E0C\u1E10\u1E12\u1E0E\u0110\u018B\u018A\u0189\uA779]/g},
{'base':'DZ','letters':/[\u01F1\u01C4]/g},
{'base':'Dz','letters':/[\u01F2\u01C5]/g},
{'base':'E', 'letters':/[\u0045\u24BA\uFF25\u00C8\u00C9\u00CA\u1EC0\u1EBE\u1EC4\u1EC2\u1EBC\u0112\u1E14\u1E16\u0114\u0116\u00CB\u1EBA\u011A\u0204\u0206\u1EB8\u1EC6\u0228\u1E1C\u0118\u1E18\u1E1A\u0190\u018E]/g},
{'base':'F', 'letters':/[\u0046\u24BB\uFF26\u1E1E\u0191\uA77B]/g},
{'base':'G', 'letters':/[\u0047\u24BC\uFF27\u01F4\u011C\u1E20\u011E\u0120\u01E6\u0122\u01E4\u0193\uA7A0\uA77D\uA77E]/g},
{'base':'H', 'letters':/[\u0048\u24BD\uFF28\u0124\u1E22\u1E26\u021E\u1E24\u1E28\u1E2A\u0126\u2C67\u2C75\uA78D]/g},
{'base':'I', 'letters':/[\u0049\u24BE\uFF29\u00CC\u00CD\u00CE\u0128\u012A\u012C\u0130\u00CF\u1E2E\u1EC8\u01CF\u0208\u020A\u1ECA\u012E\u1E2C\u0197]/g},
{'base':'J', 'letters':/[\u004A\u24BF\uFF2A\u0134\u0248]/g},
{'base':'K', 'letters':/[\u004B\u24C0\uFF2B\u1E30\u01E8\u1E32\u0136\u1E34\u0198\u2C69\uA740\uA742\uA744\uA7A2]/g},
{'base':'L', 'letters':/[\u004C\u24C1\uFF2C\u013F\u0139\u013D\u1E36\u1E38\u013B\u1E3C\u1E3A\u0141\u023D\u2C62\u2C60\uA748\uA746\uA780]/g},
{'base':'LJ','letters':/[\u01C7]/g},
{'base':'Lj','letters':/[\u01C8]/g},
{'base':'M', 'letters':/[\u004D\u24C2\uFF2D\u1E3E\u1E40\u1E42\u2C6E\u019C]/g},
{'base':'N', 'letters':/[\u004E\u24C3\uFF2E\u01F8\u0143\u00D1\u1E44\u0147\u1E46\u0145\u1E4A\u1E48\u0220\u019D\uA790\uA7A4]/g},
{'base':'NJ','letters':/[\u01CA]/g},
{'base':'Nj','letters':/[\u01CB]/g},
{'base':'O', 'letters':/[\u004F\u24C4\uFF2F\u00D2\u00D3\u00D4\u1ED2\u1ED0\u1ED6\u1ED4\u00D5\u1E4C\u022C\u1E4E\u014C\u1E50\u1E52\u014E\u022E\u0230\u00D6\u022A\u1ECE\u0150\u01D1\u020C\u020E\u01A0\u1EDC\u1EDA\u1EE0\u1EDE\u1EE2\u1ECC\u1ED8\u01EA\u01EC\u00D8\u01FE\u0186\u019F\uA74A\uA74C]/g},
{'base':'OE','letters':/[\u0152]/g},
{'base':'OI','letters':/[\u01A2]/g},
{'base':'OO','letters':/[\uA74E]/g},
{'base':'OU','letters':/[\u0222]/g},
{'base':'P', 'letters':/[\u0050\u24C5\uFF30\u1E54\u1E56\u01A4\u2C63\uA750\uA752\uA754]/g},
{'base':'Q', 'letters':/[\u0051\u24C6\uFF31\uA756\uA758\u024A]/g},
{'base':'R', 'letters':/[\u0052\u24C7\uFF32\u0154\u1E58\u0158\u0210\u0212\u1E5A\u1E5C\u0156\u1E5E\u024C\u2C64\uA75A\uA7A6\uA782]/g},
{'base':'S', 'letters':/[\u0053\u24C8\uFF33\u1E9E\u015A\u1E64\u015C\u1E60\u0160\u1E66\u1E62\u1E68\u0218\u015E\u2C7E\uA7A8\uA784]/g},
{'base':'T', 'letters':/[\u0054\u24C9\uFF34\u1E6A\u0164\u1E6C\u021A\u0162\u1E70\u1E6E\u0166\u01AC\u01AE\u023E\uA786]/g},
{'base':'TZ','letters':/[\uA728]/g},
{'base':'U', 'letters':/[\u0055\u24CA\uFF35\u00D9\u00DA\u00DB\u0168\u1E78\u016A\u1E7A\u016C\u00DC\u01DB\u01D7\u01D5\u01D9\u1EE6\u016E\u0170\u01D3\u0214\u0216\u01AF\u1EEA\u1EE8\u1EEE\u1EEC\u1EF0\u1EE4\u1E72\u0172\u1E76\u1E74\u0244]/g},
{'base':'V', 'letters':/[\u0056\u24CB\uFF36\u1E7C\u1E7E\u01B2\uA75E\u0245]/g},
{'base':'VY','letters':/[\uA760]/g},
{'base':'W', 'letters':/[\u0057\u24CC\uFF37\u1E80\u1E82\u0174\u1E86\u1E84\u1E88\u2C72]/g},
{'base':'X', 'letters':/[\u0058\u24CD\uFF38\u1E8A\u1E8C]/g},
{'base':'Y', 'letters':/[\u0059\u24CE\uFF39\u1EF2\u00DD\u0176\u1EF8\u0232\u1E8E\u0178\u1EF6\u1EF4\u01B3\u024E\u1EFE]/g},
{'base':'Z', 'letters':/[\u005A\u24CF\uFF3A\u0179\u1E90\u017B\u017D\u1E92\u1E94\u01B5\u0224\u2C7F\u2C6B\uA762]/g},
],
lowercase: [
{'base':'a', 'letters':/[\u0061\u24D0\uFF41\u1E9A\u00E0\u00E1\u00E2\u1EA7\u1EA5\u1EAB\u1EA9\u00E3\u0101\u0103\u1EB1\u1EAF\u1EB5\u1EB3\u0227\u01E1\u00E4\u01DF\u1EA3\u00E5\u01FB\u01CE\u0201\u0203\u1EA1\u1EAD\u1EB7\u1E01\u0105\u2C65\u0250]/g},
{'base':'aa','letters':/[\uA733]/g},
{'base':'ae','letters':/[\u00E6\u01FD\u01E3]/g},
{'base':'ao','letters':/[\uA735]/g},
{'base':'au','letters':/[\uA737]/g},
{'base':'av','letters':/[\uA739\uA73B]/g},
{'base':'ay','letters':/[\uA73D]/g},
{'base':'b', 'letters':/[\u0062\u24D1\uFF42\u1E03\u1E05\u1E07\u0180\u0183\u0253]/g},
{'base':'c', 'letters':/[\u0063\u24D2\uFF43\u0107\u0109\u010B\u010D\u00E7\u1E09\u0188\u023C\uA73F\u2184]/g},
{'base':'d', 'letters':/[\u0064\u24D3\uFF44\u1E0B\u010F\u1E0D\u1E11\u1E13\u1E0F\u0111\u018C\u0256\u0257\uA77A]/g},
{'base':'dz','letters':/[\u01F3\u01C6]/g},
{'base':'e', 'letters':/[\u0065\u24D4\uFF45\u00E8\u00E9\u00EA\u1EC1\u1EBF\u1EC5\u1EC3\u1EBD\u0113\u1E15\u1E17\u0115\u0117\u00EB\u1EBB\u011B\u0205\u0207\u1EB9\u1EC7\u0229\u1E1D\u0119\u1E19\u1E1B\u0247\u025B\u01DD]/g},
{'base':'f', 'letters':/[\u0066\u24D5\uFF46\u1E1F\u0192\uA77C]/g},
{'base':'g', 'letters':/[\u0067\u24D6\uFF47\u01F5\u011D\u1E21\u011F\u0121\u01E7\u0123\u01E5\u0260\uA7A1\u1D79\uA77F]/g},
{'base':'h', 'letters':/[\u0068\u24D7\uFF48\u0125\u1E23\u1E27\u021F\u1E25\u1E29\u1E2B\u1E96\u0127\u2C68\u2C76\u0265]/g},
{'base':'hv','letters':/[\u0195]/g},
{'base':'i', 'letters':/[\u0069\u24D8\uFF49\u00EC\u00ED\u00EE\u0129\u012B\u012D\u00EF\u1E2F\u1EC9\u01D0\u0209\u020B\u1ECB\u012F\u1E2D\u0268\u0131]/g},
{'base':'j', 'letters':/[\u006A\u24D9\uFF4A\u0135\u01F0\u0249]/g},
{'base':'k', 'letters':/[\u006B\u24DA\uFF4B\u1E31\u01E9\u1E33\u0137\u1E35\u0199\u2C6A\uA741\uA743\uA745\uA7A3]/g},
{'base':'l', 'letters':/[\u006C\u24DB\uFF4C\u0140\u013A\u013E\u1E37\u1E39\u013C\u1E3D\u1E3B\u017F\u0142\u019A\u026B\u2C61\uA749\uA781\uA747]/g},
{'base':'lj','letters':/[\u01C9]/g},
{'base':'m', 'letters':/[\u006D\u24DC\uFF4D\u1E3F\u1E41\u1E43\u0271\u026F]/g},
{'base':'n', 'letters':/[\u006E\u24DD\uFF4E\u01F9\u0144\u00F1\u1E45\u0148\u1E47\u0146\u1E4B\u1E49\u019E\u0272\u0149\uA791\uA7A5]/g},
{'base':'nj','letters':/[\u01CC]/g},
{'base':'o', 'letters':/[\u006F\u24DE\uFF4F\u00F2\u00F3\u00F4\u1ED3\u1ED1\u1ED7\u1ED5\u00F5\u1E4D\u022D\u1E4F\u014D\u1E51\u1E53\u014F\u022F\u0231\u00F6\u022B\u1ECF\u0151\u01D2\u020D\u020F\u01A1\u1EDD\u1EDB\u1EE1\u1EDF\u1EE3\u1ECD\u1ED9\u01EB\u01ED\u00F8\u01FF\u0254\uA74B\uA74D\u0275]/g},
{'base':'oe','letters':/[\u0153]/g},
{'base':'oi','letters':/[\u01A3]/g},
{'base':'ou','letters':/[\u0223]/g},
{'base':'oo','letters':/[\uA74F]/g},
{'base':'p','letters':/[\u0070\u24DF\uFF50\u1E55\u1E57\u01A5\u1D7D\uA751\uA753\uA755]/g},
{'base':'q','letters':/[\u0071\u24E0\uFF51\u024B\uA757\uA759]/g},
{'base':'r','letters':/[\u0072\u24E1\uFF52\u0155\u1E59\u0159\u0211\u0213\u1E5B\u1E5D\u0157\u1E5F\u024D\u027D\uA75B\uA7A7\uA783]/g},
{'base':'s','letters':/[\u0073\u24E2\uFF53\u00DF\u015B\u1E65\u015D\u1E61\u0161\u1E67\u1E63\u1E69\u0219\u015F\u023F\uA7A9\uA785\u1E9B]/g},
{'base':'t','letters':/[\u0074\u24E3\uFF54\u1E6B\u1E97\u0165\u1E6D\u021B\u0163\u1E71\u1E6F\u0167\u01AD\u0288\u2C66\uA787]/g},
{'base':'tz','letters':/[\uA729]/g},
{'base':'u','letters':/[\u0075\u24E4\uFF55\u00F9\u00FA\u00FB\u0169\u1E79\u016B\u1E7B\u016D\u00FC\u01DC\u01D8\u01D6\u01DA\u1EE7\u016F\u0171\u01D4\u0215\u0217\u01B0\u1EEB\u1EE9\u1EEF\u1EED\u1EF1\u1EE5\u1E73\u0173\u1E77\u1E75\u0289]/g},
{'base':'v','letters':/[\u0076\u24E5\uFF56\u1E7D\u1E7F\u028B\uA75F\u028C]/g},
{'base':'vy','letters':/[\uA761]/g},
{'base':'w','letters':/[\u0077\u24E6\uFF57\u1E81\u1E83\u0175\u1E87\u1E85\u1E98\u1E89\u2C73]/g},
{'base':'x','letters':/[\u0078\u24E7\uFF58\u1E8B\u1E8D]/g},
{'base':'y','letters':/[\u0079\u24E8\uFF59\u1EF3\u00FD\u0177\u1EF9\u0233\u1E8F\u00FF\u1EF7\u1E99\u1EF5\u01B4\u024F\u1EFF]/g},
{'base':'z','letters':/[\u007A\u24E9\uFF5A\u017A\u1E91\u017C\u017E\u1E93\u1E95\u01B6\u0225\u0240\u2C6C\uA763]/g}
]
},
/**
* Run sets of data through multiple asynchronous callbacks
*
* Each callback is passed the current set and a callback to call when done
*
* @param {Object[]} sets Sets of data
* @param {Function[]} callbacks
* @param {Function} onDone Function to call when done
*/
"processAsync":function (sets, callbacks, onDone) {
if(sets.wrappedJSObject) sets = sets.wrappedJSObject;
if(callbacks.wrappedJSObject) callbacks = callbacks.wrappedJSObject;
var currentSet;
var index = 0;
var nextSet = function () {
if (!sets.length) {
onDone();
return;
}
index = 0;
currentSet = sets.shift();
callbacks[0](currentSet, nextCallback);
};
var nextCallback = function () {
index++;
callbacks[index](currentSet, nextCallback);
};
// Add a final callback to proceed to the next set
callbacks[callbacks.length] = function () {
nextSet();
}
nextSet();
},
/**
* Performs a deep copy of a JavaScript object
* @param {Object} obj
* @return {Object}
*/
"deepCopy":function(obj) {
var obj2 = (obj instanceof Array ? [] : {});
for(var i in obj) {
if(!obj.hasOwnProperty(i)) continue;
if(typeof obj[i] === "object" && obj[i] !== null) {
obj2[i] = Zotero.Utilities.deepCopy(obj[i]);
} else {
obj2[i] = obj[i];
}
}
return obj2;
},
/**
* Tests if an item type exists
*
* @param {String} type Item type
* @type Boolean
*/
"itemTypeExists":function(type) {
if(Zotero.ItemTypes.getID(type)) {
return true;
} else {
return false;
}
},
/**
* Find valid creator types for a given item type
*
* @param {String} type Item type
* @return {String[]} Creator types
*/
"getCreatorsForType":function(type) {
if(type === "attachment" || type === "note") return [];
var types = Zotero.CreatorTypes.getTypesForItemType(Zotero.ItemTypes.getID(type));
var cleanTypes = new Array();
for(var i=0; i<types.length; i++) {
cleanTypes.push(types[i].name);
}
return cleanTypes;
},
/**
* Determine whether a given field is valid for a given item type
*
* @param {String} field Field name
* @param {String} type Item type
* @type Boolean
*/
"fieldIsValidForType":function(field, type) {
return Zotero.ItemFields.isValidForType(field, Zotero.ItemTypes.getID(type));
},
/**
* Gets a creator type name, localized to the current locale
*
* @param {String} type Creator type
* @param {String} Localized creator type
* @type Boolean
*/
"getLocalizedCreatorType":function(type) {
try {
return Zotero.CreatorTypes.getLocalizedString(type);
} catch(e) {
return false;
}
},
/**
* Escapes metacharacters in a literal so that it may be used in a regular expression
*/
"quotemeta":function(literal) {
if(typeof literal !== "string") {
throw "Argument "+literal+" must be a string in Zotero.Utilities.quotemeta()";
}
const metaRegexp = /[-[\]{}()*+?.\\^$|,#\s]/g;
return literal.replace(metaRegexp, "\\$&");
},
/**
* Evaluate an XPath
*
* @param {element|element[]} elements The element(s) to use as the context for the XPath
* @param {String} xpath The XPath expression
* @param {Object} [namespaces] An object whose keys represent namespace prefixes, and whose
* values represent their URIs
* @return {element[]} DOM elements matching XPath
*/
"xpath":function(elements, xpath, namespaces) {
var nsResolver = null;
if(namespaces) {
nsResolver = function(prefix) {
return namespaces[prefix] || null;
};
}
if(!("length" in elements)) elements = [elements];
var results = [];
for(var i=0, n=elements.length; i<n; i++) {
// For some reason, if elements is wrapped by an object
// Xray, we won't be able to unwrap the DOMWrapper around
// the element. So waive the object Xray.
var maybeWrappedEl = elements.wrappedJSObject ? elements.wrappedJSObject[i] : elements[i];
// Firefox 5 hack, so we will preserve Fx5DOMWrappers
var isWrapped = Zotero.Translate.DOMWrapper && Zotero.Translate.DOMWrapper.isWrapped(maybeWrappedEl);
var element = isWrapped ? Zotero.Translate.DOMWrapper.unwrap(maybeWrappedEl) : maybeWrappedEl;
// We waived the object Xray above, which will waive the
// DOM Xray, so make sure we have a DOM Xray wrapper.
if(Zotero.isFx) {
element = new XPCNativeWrapper(element);
}
if(element.ownerDocument) {
var rootDoc = element.ownerDocument;
} else if(element.documentElement) {
var rootDoc = element;
} else if(Zotero.isIE && element.documentElement === null) {
// IE: documentElement may be null if there is a parse error. In this
// case, we don't match anything to mimic what would happen with DOMParser
continue;
} else {
throw new Error("First argument must be either element(s) or document(s) in Zotero.Utilities.xpath(elements, '"+xpath+"')");
}
if(!Zotero.isIE || "evaluate" in rootDoc) {
try {
// This may result in a deprecation warning in the console due to
// https://bugzilla.mozilla.org/show_bug.cgi?id=674437
var xpathObject = rootDoc.evaluate(xpath, element, nsResolver, 5 /*ORDERED_NODE_ITERATOR_TYPE*/, null);
} catch(e) {
// rethrow so that we get a stack
throw new Error(e.name+": "+e.message);
}
var newEl;
while(newEl = xpathObject.iterateNext()) {
// Firefox 5 hack
results.push(isWrapped ? Zotero.Translate.DOMWrapper.wrapIn(newEl, maybeWrappedEl) : newEl);
}
} else if("selectNodes" in element) {
// We use JavaScript-XPath in IE for HTML documents, but with an XML
// document, we need to use selectNodes
if(namespaces) {
var ieNamespaces = [];
for(var j in namespaces) {
if(!j) continue;
ieNamespaces.push('xmlns:'+j+'="'+Zotero.Utilities.htmlSpecialChars(namespaces[j])+'"');
}
rootDoc.setProperty("SelectionNamespaces", ieNamespaces.join(" "));
}
var nodes = element.selectNodes(xpath);
for(var j=0; j<nodes.length; j++) {
results.push(nodes[j]);
}
} else {
throw new Error("XPath functionality not available");
}
}
return results;
},
/**
* Generates a string from the content of nodes matching a given XPath
*
* @param {element} node The node representing the document and context
* @param {String} xpath The XPath expression
* @param {Object} [namespaces] An object whose keys represent namespace prefixes, and whose
* values represent their URIs
* @param {String} [delimiter] The string with which to join multiple matching nodes
* @return {String|null} DOM elements matching XPath, or null if no elements exist
*/
"xpathText":function(node, xpath, namespaces, delimiter) {
var elements = Zotero.Utilities.xpath(node, xpath, namespaces);
if(!elements.length) return null;
var strings = new Array(elements.length);
for(var i=0, n=elements.length; i<n; i++) {
var el = elements[i];
if(el.wrappedJSObject) el = el.wrappedJSObject;
if(Zotero.Translate.DOMWrapper) el = Zotero.Translate.DOMWrapper.unwrap(el);
strings[i] =
(el.nodeType === 2 /*ATTRIBUTE_NODE*/ && "value" in el) ? el.value
: "textContent" in el ? el.textContent
: "innerText" in el ? el.innerText
: "text" in el ? el.text
: el.nodeValue;
}
return strings.join(delimiter !== undefined ? delimiter : ", ");
},
/**
* Generate a random string of length 'len' (defaults to 8)
**/
"randomString":function(len, chars) {
if (!chars) {
chars = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
}
if (!len) {
len = 8;
}
var randomstring = '';
for (var i=0; i<len; i++) {
var rnum = Math.floor(Math.random() * chars.length);
randomstring += chars.substring(rnum,rnum+1);
}
return randomstring;
},
/**
* PHP var_dump equivalent for JS
*
* Adapted from http://binnyva.blogspot.com/2005/10/dump-function-javascript-equivalent-of.html
*/
"varDump": function(obj,level,maxLevel,parentObjects,path) {
// Simple dump
var type = typeof obj;
if (type == 'number' || type == 'undefined' || type == 'boolean' || obj === null) {
if (!level) {
// When dumping these directly, make sure to distinguish them from regular
// strings as output by Zotero.debug (i.e. no quotes)
return '===>' + obj + '<=== (' + type + ')';
}
else {
return '' + obj;
}
}
else if (type == 'string') {
return JSON.stringify(obj);
}
else if (type == 'function') {
var funcStr = ('' + obj).trim();
if (!level) {
// Dump function contents as well if only dumping function
return funcStr;
}
// Display [native code] label for native functions, but make it one line
if (/^[^{]+{\s*\[native code\]\s*}$/i.test(funcStr)) {
return funcStr.replace(/\s*(\[native code\])\s*/i, ' $1 ');
}
// For non-native functions, display an elipsis
return ('' + obj).replace(/{[\s\S]*}/, '{...}');
}
else if (type != 'object') {
return '<<Unknown type: ' + type + '>> ' + obj;
}
// Don't descend into global object cache for data objects
if (Zotero.isClient && typeof obj == 'object' && obj instanceof Zotero.DataObject) {
maxLevel = 1;
}
// More complex dump with indentation for objects
if (level === undefined) {
level = 0;
}
if (maxLevel === undefined) {
maxLevel = 5;
}
var objType = Object.prototype.toString.call(obj);
if (level > maxLevel) {
return objType + " <<Maximum depth reached>>";
}
// The padding given at the beginning of the line.
var level_padding = "";
for (var j=0; j<level+1; j++) {
level_padding += " ";
}
//Special handling for Error or Exception
var isException = Zotero.isFx && !Zotero.isBookmarklet && obj instanceof Components.interfaces.nsIException;
var isError = obj instanceof Error;
if (!isException && !isError && obj.message !== undefined && obj.stack !== undefined) {
isError = true;
}
if (isError || isException) {
var header = '';
if (isError) {
header = (obj.constructor && obj.constructor.name) ? obj.constructor.name : 'Error';
} else {
header = (obj.name ? obj.name + ' ' : '') + 'Exception';
}
let msg = (obj.message ? ('' + obj.message).replace(/^/gm, level_padding).trim() : '');
if (obj.stack) {
let stack = obj.stack.trim().replace(/^(?=.)/gm, level_padding);
msg += '\n\n';
// At least with Zotero.HTTP.UnexpectedStatusException, the stack contains "Error:"
// and the message in addition to the trace. I'm not sure what's causing that
// (Bluebird?), but fix it here.
if (obj.stack.startsWith('Error:')) {
msg += obj.stack.replace('Error: ' + obj.message + '\n', '');
}
else {
msg += stack;
}
}
return header + ': ' + msg;
}
// Only dump single level for nsIDOMNode objects (including document)
if (Zotero.isFx && !Zotero.isBookmarklet
&& (obj instanceof Components.interfaces.nsIDOMNode
|| obj instanceof Components.interfaces.nsIDOMWindow)
) {
level = maxLevel;
}
// Recursion checking
if(!parentObjects) {
parentObjects = [obj];
path = ['ROOT'];
}
var isArray = objType == '[object Array]'
if (isArray) {
var dumpedText = '[';
}
else if (objType == '[object Object]') {
var dumpedText = '{';
}
else {
var dumpedText = objType + ' {';
}
for (var prop in obj) {
dumpedText += '\n' + level_padding + JSON.stringify(prop) + ": ";
try {
var value = obj[prop];
} catch(e) {
dumpedText += "<<Access Denied>>";
continue;
}
// Check for recursion
if (typeof(value) == 'object') {
var i = parentObjects.indexOf(value);
if(i != -1) {
var parentName = path.slice(0,i+1).join('->');
dumpedText += "<<Reference to parent object " + parentName + " >>";
continue;
}
}
try {
dumpedText += Zotero.Utilities.varDump(value,level+1,maxLevel,parentObjects.concat([value]),path.concat([prop]));
} catch(e) {
dumpedText += "<<Error processing property: " + e.message + " (" + value + ")>>";
}
}
var lastChar = dumpedText.charAt(dumpedText.length - 1);
if (lastChar != '[' && lastChar != '{') {
dumpedText += '\n' + level_padding.substr(4);
}
dumpedText += isArray ? ']' : '}';
return dumpedText;
},
/**
* Converts an item from toArray() format to an array of items in
* the content=json format used by the server
*/
"itemToServerJSON":function(item) {
var newItem = {
"itemKey":Zotero.Utilities.generateObjectKey(),
"itemVersion":0
},
newItems = [newItem];
var typeID = Zotero.ItemTypes.getID(item.itemType);
if(!typeID) {
Zotero.debug("itemToServerJSON: Invalid itemType "+item.itemType+"; using webpage");
item.itemType = "webpage";
typeID = Zotero.ItemTypes.getID(item.itemType);
}
var fieldID, itemFieldID;
for(var field in item) {
if(field === "complete" || field === "itemID" || field === "attachments"
|| field === "seeAlso") continue;
var val = item[field];
if(field === "itemType") {
newItem[field] = val;
} else if(field === "creators") {
// normalize creators
var n = val.length;
var newCreators = newItem.creators = [];
for(var j=0; j<n; j++) {
var creator = val[j];
if(!creator.firstName && !creator.lastName) {
Zotero.debug("itemToServerJSON: Silently dropping empty creator");
continue;
}
// Single-field mode
if (!creator.firstName || (creator.fieldMode && creator.fieldMode == 1)) {
var newCreator = {
name: creator.lastName
};
}
// Two-field mode
else {
var newCreator = {
firstName: creator.firstName,
lastName: creator.lastName
};
}
// ensure creatorType is present and valid
if(creator.creatorType) {
if(Zotero.CreatorTypes.getID(creator.creatorType)) {
newCreator.creatorType = creator.creatorType;
} else {
Zotero.debug("itemToServerJSON: Invalid creator type "+creator.creatorType+"; falling back to author");
}
}
if(!newCreator.creatorType) newCreator.creatorType = "author";
newCreators.push(newCreator);
}
} else if(field === "tags") {
// normalize tags
var n = val.length;
var newTags = newItem.tags = [];
for(var j=0; j<n; j++) {
var tag = val[j];
if(typeof tag === "object") {
if(tag.tag) {
tag = tag.tag;
} else if(tag.name) {
tag = tag.name;
} else {
Zotero.debug("itemToServerJSON: Discarded invalid tag");
continue;
}
} else if(tag === "") {
continue;
}
newTags.push({"tag":tag.toString(), "type":1});
}
} else if(field === "notes") {
// normalize notes
var n = val.length;
for(var j=0; j<n; j++) {
var note = val[j];
if(typeof note === "object") {
if(!note.note) {
Zotero.debug("itemToServerJSON: Discarded invalid note");
continue;
}
note = note.note;
}
newItems.push({"itemType":"note", "parentItem":newItem.itemKey,
"note":note.toString()});
}
} else if((fieldID = Zotero.ItemFields.getID(field))) {
// if content is not a string, either stringify it or delete it
if(typeof val !== "string") {
if(val || val === 0) {
val = val.toString();
} else {
continue;
}
}
// map from base field if possible
if((itemFieldID = Zotero.ItemFields.getFieldIDFromTypeAndBase(typeID, fieldID))) {
var fieldName = Zotero.ItemFields.getName(itemFieldID);
// Only map if item field does not exist
if(fieldName !== field && !newItem[fieldName]) newItem[fieldName] = val;
continue; // already know this is valid
}
// if field is valid for this type, set field
if(Zotero.ItemFields.isValidForType(fieldID, typeID)) {
newItem[field] = val;
} else {
Zotero.debug("itemToServerJSON: Discarded field "+field+": field not valid for type "+item.itemType, 3);
}
} else {
Zotero.debug("itemToServerJSON: Discarded unknown field "+field, 3);
}
}
return newItems;
},
/**
* Converts an item from toArray() format to citeproc-js JSON
* @param {Zotero.Item} zoteroItem
* @return {Object|Promise<Object>} A CSL item, or a promise for a CSL item if a Zotero.Item
* is passed
*/
"itemToCSLJSON":function(zoteroItem) {
// If a Zotero.Item was passed, convert it to the proper format (skipping child items) and
// call this function again with that object
if (zoteroItem instanceof Zotero.Item) {
return this.itemToCSLJSON(
Zotero.Utilities.Internal.itemToExportFormat(zoteroItem, false, true)
);
}
var cslType = CSL_TYPE_MAPPINGS[zoteroItem.itemType];
if (!cslType) {
throw new Error('Unexpected Zotero Item type "' + zoteroItem.itemType + '"');
}
var itemTypeID = Zotero.ItemTypes.getID(zoteroItem.itemType);
var cslItem = {
'id':zoteroItem.uri,
'type':cslType
};
// get all text variables (there must be a better way)
for(var variable in CSL_TEXT_MAPPINGS) {
var fields = CSL_TEXT_MAPPINGS[variable];
for(var i=0, n=fields.length; i<n; i++) {
var field = fields[i],
value = null;
if(field in zoteroItem) {
value = zoteroItem[field];
} else {
if (field == 'versionNumber') field = 'version'; // Until https://github.com/zotero/zotero/issues/670
var fieldID = Zotero.ItemFields.getID(field),
typeFieldID;
if(fieldID
&& (typeFieldID = Zotero.ItemFields.getFieldIDFromTypeAndBase(itemTypeID, fieldID))
) {
value = zoteroItem[Zotero.ItemFields.getName(typeFieldID)];
}
}
if (!value) continue;
if (typeof value == 'string') {
if (field == 'ISBN') {
// Only use the first ISBN in CSL JSON
var isbn = value.match(/^(?:97[89]-?)?(?:\d-?){9}[\dx](?!-)\b/i);
if (isbn) value = isbn[0];
}
// Strip enclosing quotes
if(value.charAt(0) == '"' && value.indexOf('"', 1) == value.length - 1) {
value = value.substring(1, value.length-1);
}
cslItem[variable] = value;
break;
}
}
}
// separate name variables
if (zoteroItem.type != "attachment" && zoteroItem.type != "note") {
var author = Zotero.CreatorTypes.getName(Zotero.CreatorTypes.getPrimaryIDForType(itemTypeID));
var creators = zoteroItem.creators;
for(var i=0; creators && i<creators.length; i++) {
var creator = creators[i];
var creatorType = creator.creatorType;
if(creatorType == author) {
creatorType = "author";
}
creatorType = CSL_NAMES_MAPPINGS[creatorType];
if(!creatorType) continue;
var nameObj;
if (creator.lastName || creator.firstName) {
nameObj = {
family: creator.lastName || '',
given: creator.firstName || ''
};
// Parse name particles
// Replicate citeproc-js logic for what should be parsed so we don't
// break current behavior.
if (nameObj.family && nameObj.given) {
// Don't parse if last name is quoted
if (nameObj.family.length > 1
&& nameObj.family.charAt(0) == '"'
&& nameObj.family.charAt(nameObj.family.length - 1) == '"'
) {
nameObj.family = nameObj.family.substr(1, nameObj.family.length - 2);
} else {
Zotero.CiteProc.CSL.parseParticles(nameObj, true);
}
}
} else if (creator.name) {
nameObj = {'literal': creator.name};
}
if(cslItem[creatorType]) {
cslItem[creatorType].push(nameObj);
} else {
cslItem[creatorType] = [nameObj];
}
}
}
// get date variables
for(var variable in CSL_DATE_MAPPINGS) {
var date = zoteroItem[CSL_DATE_MAPPINGS[variable]];
if (!date) {
var typeSpecificFieldID = Zotero.ItemFields.getFieldIDFromTypeAndBase(itemTypeID, CSL_DATE_MAPPINGS[variable]);
if (typeSpecificFieldID) {
date = zoteroItem[Zotero.ItemFields.getName(typeSpecificFieldID)];
}
}
if(date) {
var dateObj = Zotero.Date.strToDate(date);
// otherwise, use date-parts
var dateParts = [];
if(dateObj.year) {
// add year, month, and day, if they exist
dateParts.push(dateObj.year);
if(dateObj.month !== undefined) {
dateParts.push(dateObj.month+1);
if(dateObj.day) {
dateParts.push(dateObj.day);
}
}
cslItem[variable] = {"date-parts":[dateParts]};
// if no month, use season as month
if(dateObj.part && dateObj.month === undefined) {
cslItem[variable].season = dateObj.part;
}
} else {
// if no year, pass date literally
cslItem[variable] = {"literal":date};
}
}
}
// Special mapping for note title
if (zoteroItem.itemType == 'note' && zoteroItem.note) {
cslItem.title = Zotero.Notes.noteToTitle(zoteroItem.note);
}
//this._cache[zoteroItem.id] = cslItem;
return cslItem;
},
/**
* Converts an item in CSL JSON format to a Zotero item
* @param {Zotero.Item} item
* @param {Object} cslItem
*/
"itemFromCSLJSON":function(item, cslItem) {
var isZoteroItem = !!item.setType,
zoteroType;
// Some special cases to help us map item types correctly
// This ensures that we don't lose data on import. The fields
// we check are incompatible with the alternative item types
if (cslItem.type == 'book') {
zoteroType = 'book';
if (cslItem.version) {
zoteroType = 'computerProgram';
}
} else if (cslItem.type == 'bill') {
zoteroType = 'bill';
if (cslItem.publisher || cslItem['number-of-volumes']) {
zoteroType = 'hearing';
}
} else if (cslItem.type == 'song') {
zoteroType = 'audioRecording';
if (cslItem.number) {
zoteroType = 'podcast';
}
} else if (cslItem.type == 'motion_picture') {
zoteroType = 'film';
if (cslItem['collection-title'] || cslItem['publisher-place']
|| cslItem['event-place'] || cslItem.volume
|| cslItem['number-of-volumes'] || cslItem.ISBN
) {
zoteroType = 'videoRecording';
}
} else {
for(var type in CSL_TYPE_MAPPINGS) {
if(CSL_TYPE_MAPPINGS[type] == cslItem.type) {
zoteroType = type;
break;
}
}
}
if(!zoteroType) zoteroType = "document";
var itemTypeID = Zotero.ItemTypes.getID(zoteroType);
if(isZoteroItem) {
item.setType(itemTypeID);
} else {
item.itemID = cslItem.id;
item.itemType = zoteroType;
}
// map text fields
for(var variable in CSL_TEXT_MAPPINGS) {
if(variable in cslItem) {
var textMappings = CSL_TEXT_MAPPINGS[variable];
for(var i=0; i<textMappings.length; i++) {
var field = textMappings[i];
var fieldID = Zotero.ItemFields.getID(field);
if(Zotero.ItemFields.isBaseField(fieldID)) {
var newFieldID = Zotero.ItemFields.getFieldIDFromTypeAndBase(itemTypeID, fieldID);
if(newFieldID) fieldID = newFieldID;
}
if(Zotero.ItemFields.isValidForType(fieldID, itemTypeID)) {
if(isZoteroItem) {
item.setField(fieldID, cslItem[variable]);
} else {
item[field] = cslItem[variable];
}
break;
}
}
}
}
// separate name variables
for(var field in CSL_NAMES_MAPPINGS) {
if(CSL_NAMES_MAPPINGS[field] in cslItem) {
var creatorTypeID = Zotero.CreatorTypes.getID(field);
if(!Zotero.CreatorTypes.isValidForItemType(creatorTypeID, itemTypeID)) {
creatorTypeID = Zotero.CreatorTypes.getPrimaryIDForType(itemTypeID);
}
var nameMappings = cslItem[CSL_NAMES_MAPPINGS[field]];
for(var i in nameMappings) {
var cslAuthor = nameMappings[i];
let creator = {};
if(cslAuthor.family || cslAuthor.given) {
if(cslAuthor.family) creator.lastName = cslAuthor.family;
if(cslAuthor.given) creator.firstName = cslAuthor.given;
} else if(cslAuthor.literal) {
creator.lastName = cslAuthor.literal;
creator.fieldMode = 1;
} else {
continue;
}
creator.creatorTypeID = creatorTypeID;
if(isZoteroItem) {
item.setCreator(item.getCreators().length, creator);
} else {
creator.creatorType = Zotero.CreatorTypes.getName(creatorTypeID);
if (Zotero.isFx && !Zotero.isBookmarklet) {
creator = Components.utils.cloneInto(creator, item);
}
item.creators.push(creator);
}
}
}
}
// get date variables
for(var variable in CSL_DATE_MAPPINGS) {
if(variable in cslItem) {
var field = CSL_DATE_MAPPINGS[variable],
fieldID = Zotero.ItemFields.getID(field),
cslDate = cslItem[variable];
var fieldID = Zotero.ItemFields.getID(field);
if(Zotero.ItemFields.isBaseField(fieldID)) {
var newFieldID = Zotero.ItemFields.getFieldIDFromTypeAndBase(itemTypeID, fieldID);
if(newFieldID) fieldID = newFieldID;
}
if(Zotero.ItemFields.isValidForType(fieldID, itemTypeID)) {
var date = "";
if(cslDate.literal || cslDate.raw) {
date = cslDate.literal || cslDate.raw;
if(variable === "accessed") {
date = Zotero.Date.strToISO(date);
}
} else {
var newDate = Zotero.Utilities.deepCopy(cslDate);
if(cslDate["date-parts"] && typeof cslDate["date-parts"] === "object"
&& cslDate["date-parts"] !== null
&& typeof cslDate["date-parts"][0] === "object"
&& cslDate["date-parts"][0] !== null) {
if(cslDate["date-parts"][0][0]) newDate.year = cslDate["date-parts"][0][0];
if(cslDate["date-parts"][0][1]) newDate.month = cslDate["date-parts"][0][1];
if(cslDate["date-parts"][0][2]) newDate.day = cslDate["date-parts"][0][2];
}
if(newDate.year) {
if(variable === "accessed") {
// Need to convert to SQL
var date = Zotero.Utilities.lpad(newDate.year, "0", 4);
if(newDate.month) {
date += "-"+Zotero.Utilities.lpad(newDate.month, "0", 2);
if(newDate.day) {
date += "-"+Zotero.Utilities.lpad(newDate.day, "0", 2);
}
}
} else {
if(newDate.month) newDate.month--;
date = Zotero.Date.formatDate(newDate);
if(newDate.season) {
date = newDate.season+" "+date;
}
}
}
}
if(isZoteroItem) {
item.setField(fieldID, date);
} else {
item[field] = date;
}
}
}
}
},
/**
* Get the real target URL from an intermediate URL
*/
"resolveIntermediateURL":function(url) {
var patterns = [
// Google search results
{
regexp: /^https?:\/\/(www.)?google\.(com|(com?\.)?[a-z]{2})\/url\?/,
variable: "url"
}
];
for (var i=0, len=patterns.length; i<len; i++) {
if (!url.match(patterns[i].regexp)) {
continue;
}
var matches = url.match(new RegExp("&" + patterns[i].variable + "=(.+?)(&|$)"));
if (!matches) {
continue;
}
return decodeURIComponent(matches[1]);
}
return url;
},
/**
* Adds a string to a given array at a given offset, converted to UTF-8
* @param {String} string The string to convert to UTF-8
* @param {Array|Uint8Array} array The array to which to add the string
* @param {Integer} [offset] Offset at which to add the string
*/
"stringToUTF8Array":function(string, array, offset) {
if(!offset) offset = 0;
var n = string.length;
for(var i=0; i<n; i++) {
var val = string.charCodeAt(i);
if(val >= 128) {
if(val >= 2048) {
array[offset] = (val >>> 12) | 224;
array[offset+1] = ((val >>> 6) & 63) | 128;
array[offset+2] = (val & 63) | 128;
offset += 3;
} else {
array[offset] = ((val >>> 6) | 192);
array[offset+1] = (val & 63) | 128;
offset += 2;
}
} else {
array[offset++] = val;
}
}
},
/**
* Gets the byte length of the UTF-8 representation of a given string
* @param {String} string
* @return {Integer}
*/
"getStringByteLength":function(string) {
var length = 0, n = string.length;
for(var i=0; i<n; i++) {
var val = string.charCodeAt(i);
if(val >= 128) {
if(val >= 2048) {
length += 3;
} else {
length += 2;
}
} else {
length += 1;
}
}
return length;
},
/**
* Gets the icon for a JSON-style attachment
*/
"determineAttachmentIcon":function(attachment) {
if(attachment.linkMode === "linked_url") {
return Zotero.ItemTypes.getImageSrc("attachment-web-link");
}
return Zotero.ItemTypes.getImageSrc(attachment.mimeType === "application/pdf"
? "attachment-pdf" : "attachment-snapshot");
},
"allowedKeyChars": "23456789ABCDEFGHIJKLMNPQRSTUVWXYZ",
/**
* Generates a valid object key for the server API
*/
"generateObjectKey":function generateObjectKey() {
return Zotero.Utilities.randomString(8, Zotero.Utilities.allowedKeyChars);
},
/**
* Check if an object key is in a valid format
*/
"isValidObjectKey":function(key) {
if (!Zotero.Utilities.objectKeyRegExp) {
Zotero.Utilities.objectKeyRegExp = new RegExp('^[' + Zotero.Utilities.allowedKeyChars + ']{8}$');
}
return Zotero.Utilities.objectKeyRegExp.test(key);
},
/**
* Provides unicode support and other additional features for regular expressions
* See https://github.com/slevithan/xregexp for usage
*/
"XRegExp": XRegExp
}