Move getLocaleCollation and localeCompare to Zotero.Intl
This commit is contained in:
Sylvester Keil
parent
3a8d04f467
commit
4a97529b66
2 changed files with 158 additions and 139 deletions
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@ -24,6 +24,7 @@
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*/
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Zotero.Intl = new function () {
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let bundle;
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let collation;
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let intlProps;
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let pluralFormGet;
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let pluralFormNumForms;
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@ -65,29 +66,6 @@ Zotero.Intl = new function () {
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};
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function getIntlProp(name, fallback = null) {
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try {
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return intlProps.GetStringFromName(name);
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}
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catch (e) {
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Zotero.logError(`Couldn't load ${name} from intl.properties`);
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return fallback;
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}
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}
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function setOrClearIntlPref(name, type) {
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var val = getIntlProp(name);
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if (val !== null) {
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if (type == 'boolean') {
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val = val == 'true';
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}
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Zotero.Prefs.set(name, val, true);
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}
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else {
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Zotero.Prefs.clear(name, true);
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}
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}
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/**
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* @param {String} name
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* @param {String[]} [params=[]] - Strings to substitute for placeholders
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@ -132,4 +110,157 @@ Zotero.Intl = new function () {
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}
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return l10n;
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};
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/*
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* Compares two strings based on the current collator.
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* @param {String} string1
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* @param {String} string2
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* @return {Number} a number indicating how string1 and string2 compare to
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* each other according to the sort order of this Collator object: a
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* negative value if string1 comes before string2; a positive value if
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* string1 comes after string2; 0 if they are considered equal.
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*/
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this.compare = function (...args) {
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return this.collation.compareString(1, ...args);
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};
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Object.defineProperty(this, 'collation', {
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get() {
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if (collation == null) {
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collation = getLocaleCollation();
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}
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return collation;
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}
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});
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function getIntlProp(name, fallback = null) {
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try {
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return intlProps.GetStringFromName(name);
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}
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catch (e) {
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Zotero.logError(`Couldn't load ${name} from intl.properties`);
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return fallback;
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}
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}
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function setOrClearIntlPref(name, type) {
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var val = getIntlProp(name);
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if (val !== null) {
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if (type == 'boolean') {
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val = val == 'true';
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}
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Zotero.Prefs.set(name, val, true);
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}
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else {
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Zotero.Prefs.clear(name, true);
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}
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}
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function getLocaleCollation() {
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try {
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// DEBUG: Is this necessary, or will Intl.Collator just default to the same locales we're
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// passing manually?
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let locales;
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// Fx55+
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if (Services.locale.getAppLocalesAsBCP47) {
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locales = Services.locale.getAppLocalesAsBCP47();
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}
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else {
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let locale;
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// Fx54
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if (Services.locale.getAppLocale) {
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locale = Services.locale.getAppLocale();
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}
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// Fx <=53
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else {
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locale = Services.locale.getApplicationLocale();
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locale = locale.getCategory('NSILOCALE_COLLATE');
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}
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// Extract a valid language tag
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try {
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locale = locale.match(/^[a-z]{2}(\-[A-Z]{2})?/)[0];
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}
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catch (e) {
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throw new Error(`Error parsing locale ${locale}`);
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}
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locales = [locale];
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}
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var collator = new Intl.Collator(locales, {
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numeric: true,
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sensitivity: 'base'
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});
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}
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catch (e) {
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Zotero.logError(e);
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// Fall back to en-US sorting
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try {
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Zotero.logError("Falling back to en-US sorting");
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collator = new Intl.Collator(['en-US'], {
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numeric: true,
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sensitivity: 'base'
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});
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}
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catch (e) {
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Zotero.logError(e);
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// If there's still an error, just skip sorting
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collator = {
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compare: function (a, b) {
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return 0;
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}
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};
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}
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}
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// Grab all ASCII punctuation and space at the begining of string
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var initPunctuationRE = /^[\x20-\x2F\x3A-\x40\x5B-\x60\x7B-\x7E]+/;
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// Punctuation that should be ignored when sorting
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var ignoreInitRE = /["'[{(]+$/;
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// Until old code is updated, pretend we're returning an nsICollation
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return this.collation = {
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compareString: function (_, a, b) {
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if (!a && !b) return 0;
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if (!a || !b) return b ? -1 : 1;
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// Compare initial punctuation
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var aInitP = initPunctuationRE.exec(a) || '';
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var bInitP = initPunctuationRE.exec(b) || '';
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var aWordStart = 0, bWordStart = 0;
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if (aInitP) {
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aWordStart = aInitP[0].length;
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aInitP = aInitP[0].replace(ignoreInitRE, '');
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}
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if (bInitP) {
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bWordStart = bInitP.length;
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bInitP = bInitP[0].replace(ignoreInitRE, '');
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}
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// If initial punctuation is equivalent, use collator comparison
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// that ignores all punctuation
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//
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// Update: Intl.Collator's ignorePunctuation also ignores whitespace, so we're
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// no longer using it, meaning we could take out most of the code to handle
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// initial punctuation separately, unless we think we'll at some point switch to
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// a collation function that ignores punctuation but not whitespace.
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if (aInitP == bInitP || !aInitP && !bInitP) return collator.compare(a, b);
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// Otherwise consider "attached" words as well, e.g. the order should be
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// "__ n", "__z", "_a"
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// We don't actually care what the attached word is, just whether it's
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// there, since at this point we're guaranteed to have non-equivalent
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// initial punctuation
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if (aWordStart < a.length) aInitP += 'a';
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if (bWordStart < b.length) bInitP += 'a';
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return aInitP.localeCompare(bInitP);
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}
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};
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}
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};
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@ -1412,122 +1412,10 @@ Services.scriptloader.loadSubScript("resource://zotero/polyfill.js");
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this.getLocaleCollation = function () {
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if (this.collation) {
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return this.collation;
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}
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return Zotero.Intl.collation;
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};
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try {
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// DEBUG: Is this necessary, or will Intl.Collator just default to the same locales we're
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// passing manually?
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let locales;
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// Fx55+
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if (Services.locale.getAppLocalesAsBCP47) {
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locales = Services.locale.getAppLocalesAsBCP47();
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}
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else {
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let locale;
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// Fx54
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if (Services.locale.getAppLocale) {
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locale = Services.locale.getAppLocale();
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}
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// Fx <=53
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else {
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locale = Services.locale.getApplicationLocale();
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locale = locale.getCategory('NSILOCALE_COLLATE');
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}
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// Extract a valid language tag
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try {
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locale = locale.match(/^[a-z]{2}(\-[A-Z]{2})?/)[0];
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}
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catch (e) {
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throw new Error(`Error parsing locale ${locale}`);
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}
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locales = [locale];
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}
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var collator = new Intl.Collator(locales, {
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numeric: true,
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sensitivity: 'base'
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});
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}
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catch (e) {
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Zotero.logError(e);
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// Fall back to en-US sorting
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try {
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Zotero.logError("Falling back to en-US sorting");
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collator = new Intl.Collator(['en-US'], {
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numeric: true,
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sensitivity: 'base'
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});
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}
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catch (e) {
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Zotero.logError(e);
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// If there's still an error, just skip sorting
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collator = {
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compare: function (a, b) {
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return 0;
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}
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};
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}
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}
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// Grab all ASCII punctuation and space at the begining of string
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var initPunctuationRE = /^[\x20-\x2F\x3A-\x40\x5B-\x60\x7B-\x7E]+/;
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// Punctuation that should be ignored when sorting
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var ignoreInitRE = /["'[{(]+$/;
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// Until old code is updated, pretend we're returning an nsICollation
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return this.collation = {
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compareString: function (_, a, b) {
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if (!a && !b) return 0;
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if (!a || !b) return b ? -1 : 1;
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// Compare initial punctuation
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var aInitP = initPunctuationRE.exec(a) || '';
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var bInitP = initPunctuationRE.exec(b) || '';
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var aWordStart = 0, bWordStart = 0;
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if (aInitP) {
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aWordStart = aInitP[0].length;
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aInitP = aInitP[0].replace(ignoreInitRE, '');
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}
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if (bInitP) {
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bWordStart = bInitP.length;
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bInitP = bInitP[0].replace(ignoreInitRE, '');
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}
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// If initial punctuation is equivalent, use collator comparison
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// that ignores all punctuation
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//
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// Update: Intl.Collator's ignorePunctuation also ignores whitespace, so we're
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// no longer using it, meaning we could take out most of the code to handle
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// initial punctuation separately, unless we think we'll at some point switch to
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// a collation function that ignores punctuation but not whitespace.
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if (aInitP == bInitP || !aInitP && !bInitP) return collator.compare(a, b);
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// Otherwise consider "attached" words as well, e.g. the order should be
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// "__ n", "__z", "_a"
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// We don't actually care what the attached word is, just whether it's
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// there, since at this point we're guaranteed to have non-equivalent
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// initial punctuation
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if (aWordStart < a.length) aInitP += 'a';
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if (bWordStart < b.length) bInitP += 'a';
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return aInitP.localeCompare(bInitP);
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}
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};
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}
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this.defineProperty(this, "localeCompare", {
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get: function() {
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var collation = this.getLocaleCollation();
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return collation.compareString.bind(collation, 1);
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}
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}, {lazy: true});
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this.localeCompare = Zotero.Intl.compare;
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/*
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* Sets font size based on prefs -- intended for use on root element
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