+++ /dev/null
-define("dojo/number", [/*===== "./_base/declare", =====*/ "./_base/lang", "./i18n", "./i18n!./cldr/nls/number", "./string", "./regexp"],
- function(/*===== declare, =====*/ lang, i18n, nlsNumber, dstring, dregexp){
-
-// module:
-// dojo/number
-
-var number = {
- // summary:
- // localized formatting and parsing routines for Number
-};
-lang.setObject("dojo.number", number);
-
-/*=====
-number.__FormatOptions = declare(null, {
- // pattern: String?
- // override [formatting pattern](http://www.unicode.org/reports/tr35/#Number_Format_Patterns)
- // with this string. Default value is based on locale. Overriding this property will defeat
- // localization. Literal characters in patterns are not supported.
- // type: String?
- // choose a format type based on the locale from the following:
- // decimal, scientific (not yet supported), percent, currency. decimal by default.
- // places: Number?
- // fixed number of decimal places to show. This overrides any
- // information in the provided pattern.
- // round: Number?
- // 5 rounds to nearest .5; 0 rounds to nearest whole (default). -1
- // means do not round.
- // locale: String?
- // override the locale used to determine formatting rules
- // fractional: Boolean?
- // If false, show no decimal places, overriding places and pattern settings.
-});
-=====*/
-
-number.format = function(/*Number*/ value, /*number.__FormatOptions?*/ options){
- // summary:
- // Format a Number as a String, using locale-specific settings
- // description:
- // Create a string from a Number using a known localized pattern.
- // Formatting patterns appropriate to the locale are chosen from the
- // [Common Locale Data Repository](http://unicode.org/cldr) as well as the appropriate symbols and
- // delimiters.
- // If value is Infinity, -Infinity, or is not a valid JavaScript number, return null.
- // value:
- // the number to be formatted
-
- options = lang.mixin({}, options || {});
- var locale = i18n.normalizeLocale(options.locale),
- bundle = i18n.getLocalization("dojo.cldr", "number", locale);
- options.customs = bundle;
- var pattern = options.pattern || bundle[(options.type || "decimal") + "Format"];
- if(isNaN(value) || Math.abs(value) == Infinity){ return null; } // null
- return number._applyPattern(value, pattern, options); // String
-};
-
-//number._numberPatternRE = /(?:[#0]*,?)*[#0](?:\.0*#*)?/; // not precise, but good enough
-number._numberPatternRE = /[#0,]*[#0](?:\.0*#*)?/; // not precise, but good enough
-
-number._applyPattern = function(/*Number*/ value, /*String*/ pattern, /*number.__FormatOptions?*/ options){
- // summary:
- // Apply pattern to format value as a string using options. Gives no
- // consideration to local customs.
- // value:
- // the number to be formatted.
- // pattern:
- // a pattern string as described by
- // [unicode.org TR35](http://www.unicode.org/reports/tr35/#Number_Format_Patterns)
- // options: number.__FormatOptions?
- // _applyPattern is usually called via `dojo/number.format()` which
- // populates an extra property in the options parameter, "customs".
- // The customs object specifies group and decimal parameters if set.
-
- //TODO: support escapes
- options = options || {};
- var group = options.customs.group,
- decimal = options.customs.decimal,
- patternList = pattern.split(';'),
- positivePattern = patternList[0];
- pattern = patternList[(value < 0) ? 1 : 0] || ("-" + positivePattern);
-
- //TODO: only test against unescaped
- if(pattern.indexOf('%') != -1){
- value *= 100;
- }else if(pattern.indexOf('\u2030') != -1){
- value *= 1000; // per mille
- }else if(pattern.indexOf('\u00a4') != -1){
- group = options.customs.currencyGroup || group;//mixins instead?
- decimal = options.customs.currencyDecimal || decimal;// Should these be mixins instead?
- pattern = pattern.replace(/\u00a4{1,3}/, function(match){
- var prop = ["symbol", "currency", "displayName"][match.length-1];
- return options[prop] || options.currency || "";
- });
- }else if(pattern.indexOf('E') != -1){
- throw new Error("exponential notation not supported");
- }
-
- //TODO: support @ sig figs?
- var numberPatternRE = number._numberPatternRE;
- var numberPattern = positivePattern.match(numberPatternRE);
- if(!numberPattern){
- throw new Error("unable to find a number expression in pattern: "+pattern);
- }
- if(options.fractional === false){ options.places = 0; }
- return pattern.replace(numberPatternRE,
- number._formatAbsolute(value, numberPattern[0], {decimal: decimal, group: group, places: options.places, round: options.round}));
-};
-
-number.round = function(/*Number*/ value, /*Number?*/ places, /*Number?*/ increment){
- // summary:
- // Rounds to the nearest value with the given number of decimal places, away from zero
- // description:
- // Rounds to the nearest value with the given number of decimal places, away from zero if equal.
- // Similar to Number.toFixed(), but compensates for browser quirks. Rounding can be done by
- // fractional increments also, such as the nearest quarter.
- // NOTE: Subject to floating point errors. See dojox/math/round for experimental workaround.
- // value:
- // The number to round
- // places:
- // The number of decimal places where rounding takes place. Defaults to 0 for whole rounding.
- // Must be non-negative.
- // increment:
- // Rounds next place to nearest value of increment/10. 10 by default.
- // example:
- // | >>> number.round(-0.5)
- // | -1
- // | >>> number.round(162.295, 2)
- // | 162.29 // note floating point error. Should be 162.3
- // | >>> number.round(10.71, 0, 2.5)
- // | 10.75
- var factor = 10 / (increment || 10);
- return (factor * +value).toFixed(places) / factor; // Number
-};
-
-if((0.9).toFixed() == 0){
- // (isIE) toFixed() bug workaround: Rounding fails on IE when most significant digit
- // is just after the rounding place and is >=5
- var round = number.round;
- number.round = function(v, p, m){
- var d = Math.pow(10, -p || 0), a = Math.abs(v);
- if(!v || a >= d){
- d = 0;
- }else{
- a /= d;
- if(a < 0.5 || a >= 0.95){
- d = 0;
- }
- }
- return round(v, p, m) + (v > 0 ? d : -d);
- };
-
- // Use "doc hint" so the doc parser ignores this new definition of round(), and uses the one above.
- /*===== number.round = round; =====*/
-}
-
-/*=====
-number.__FormatAbsoluteOptions = declare(null, {
- // decimal: String?
- // the decimal separator
- // group: String?
- // the group separator
- // places: Number|String?
- // number of decimal places. the range "n,m" will format to m places.
- // round: Number?
- // 5 rounds to nearest .5; 0 rounds to nearest whole (default). -1
- // means don't round.
-});
-=====*/
-
-number._formatAbsolute = function(/*Number*/ value, /*String*/ pattern, /*number.__FormatAbsoluteOptions?*/ options){
- // summary:
- // Apply numeric pattern to absolute value using options. Gives no
- // consideration to local customs.
- // value:
- // the number to be formatted, ignores sign
- // pattern:
- // the number portion of a pattern (e.g. `#,##0.00`)
- options = options || {};
- if(options.places === true){options.places=0;}
- if(options.places === Infinity){options.places=6;} // avoid a loop; pick a limit
-
- var patternParts = pattern.split("."),
- comma = typeof options.places == "string" && options.places.indexOf(","),
- maxPlaces = options.places;
- if(comma){
- maxPlaces = options.places.substring(comma + 1);
- }else if(!(maxPlaces >= 0)){
- maxPlaces = (patternParts[1] || []).length;
- }
- if(!(options.round < 0)){
- value = number.round(value, maxPlaces, options.round);
- }
-
- var valueParts = String(Math.abs(value)).split("."),
- fractional = valueParts[1] || "";
- if(patternParts[1] || options.places){
- if(comma){
- options.places = options.places.substring(0, comma);
- }
- // Pad fractional with trailing zeros
- var pad = options.places !== undefined ? options.places : (patternParts[1] && patternParts[1].lastIndexOf("0") + 1);
- if(pad > fractional.length){
- valueParts[1] = dstring.pad(fractional, pad, '0', true);
- }
-
- // Truncate fractional
- if(maxPlaces < fractional.length){
- valueParts[1] = fractional.substr(0, maxPlaces);
- }
- }else{
- if(valueParts[1]){ valueParts.pop(); }
- }
-
- // Pad whole with leading zeros
- var patternDigits = patternParts[0].replace(',', '');
- pad = patternDigits.indexOf("0");
- if(pad != -1){
- pad = patternDigits.length - pad;
- if(pad > valueParts[0].length){
- valueParts[0] = dstring.pad(valueParts[0], pad);
- }
-
- // Truncate whole
- if(patternDigits.indexOf("#") == -1){
- valueParts[0] = valueParts[0].substr(valueParts[0].length - pad);
- }
- }
-
- // Add group separators
- var index = patternParts[0].lastIndexOf(','),
- groupSize, groupSize2;
- if(index != -1){
- groupSize = patternParts[0].length - index - 1;
- var remainder = patternParts[0].substr(0, index);
- index = remainder.lastIndexOf(',');
- if(index != -1){
- groupSize2 = remainder.length - index - 1;
- }
- }
- var pieces = [];
- for(var whole = valueParts[0]; whole;){
- var off = whole.length - groupSize;
- pieces.push((off > 0) ? whole.substr(off) : whole);
- whole = (off > 0) ? whole.slice(0, off) : "";
- if(groupSize2){
- groupSize = groupSize2;
- delete groupSize2;
- }
- }
- valueParts[0] = pieces.reverse().join(options.group || ",");
-
- return valueParts.join(options.decimal || ".");
-};
-
-/*=====
-number.__RegexpOptions = declare(null, {
- // pattern: String?
- // override [formatting pattern](http://www.unicode.org/reports/tr35/#Number_Format_Patterns)
- // with this string. Default value is based on locale. Overriding this property will defeat
- // localization.
- // type: String?
- // choose a format type based on the locale from the following:
- // decimal, scientific (not yet supported), percent, currency. decimal by default.
- // locale: String?
- // override the locale used to determine formatting rules
- // strict: Boolean?
- // strict parsing, false by default. Strict parsing requires input as produced by the format() method.
- // Non-strict is more permissive, e.g. flexible on white space, omitting thousands separators
- // places: Number|String?
- // number of decimal places to accept: Infinity, a positive number, or
- // a range "n,m". Defined by pattern or Infinity if pattern not provided.
-});
-=====*/
-number.regexp = function(/*number.__RegexpOptions?*/ options){
- // summary:
- // Builds the regular needed to parse a number
- // description:
- // Returns regular expression with positive and negative match, group
- // and decimal separators
- return number._parseInfo(options).regexp; // String
-};
-
-number._parseInfo = function(/*Object?*/ options){
- options = options || {};
- var locale = i18n.normalizeLocale(options.locale),
- bundle = i18n.getLocalization("dojo.cldr", "number", locale),
- pattern = options.pattern || bundle[(options.type || "decimal") + "Format"],
-//TODO: memoize?
- group = bundle.group,
- decimal = bundle.decimal,
- factor = 1;
-
- if(pattern.indexOf('%') != -1){
- factor /= 100;
- }else if(pattern.indexOf('\u2030') != -1){
- factor /= 1000; // per mille
- }else{
- var isCurrency = pattern.indexOf('\u00a4') != -1;
- if(isCurrency){
- group = bundle.currencyGroup || group;
- decimal = bundle.currencyDecimal || decimal;
- }
- }
-
- //TODO: handle quoted escapes
- var patternList = pattern.split(';');
- if(patternList.length == 1){
- patternList.push("-" + patternList[0]);
- }
-
- var re = dregexp.buildGroupRE(patternList, function(pattern){
- pattern = "(?:"+dregexp.escapeString(pattern, '.')+")";
- return pattern.replace(number._numberPatternRE, function(format){
- var flags = {
- signed: false,
- separator: options.strict ? group : [group,""],
- fractional: options.fractional,
- decimal: decimal,
- exponent: false
- },
-
- parts = format.split('.'),
- places = options.places;
-
- // special condition for percent (factor != 1)
- // allow decimal places even if not specified in pattern
- if(parts.length == 1 && factor != 1){
- parts[1] = "###";
- }
- if(parts.length == 1 || places === 0){
- flags.fractional = false;
- }else{
- if(places === undefined){ places = options.pattern ? parts[1].lastIndexOf('0') + 1 : Infinity; }
- if(places && options.fractional == undefined){flags.fractional = true;} // required fractional, unless otherwise specified
- if(!options.places && (places < parts[1].length)){ places += "," + parts[1].length; }
- flags.places = places;
- }
- var groups = parts[0].split(',');
- if(groups.length > 1){
- flags.groupSize = groups.pop().length;
- if(groups.length > 1){
- flags.groupSize2 = groups.pop().length;
- }
- }
- return "("+number._realNumberRegexp(flags)+")";
- });
- }, true);
-
- if(isCurrency){
- // substitute the currency symbol for the placeholder in the pattern
- re = re.replace(/([\s\xa0]*)(\u00a4{1,3})([\s\xa0]*)/g, function(match, before, target, after){
- var prop = ["symbol", "currency", "displayName"][target.length-1],
- symbol = dregexp.escapeString(options[prop] || options.currency || "");
- before = before ? "[\\s\\xa0]" : "";
- after = after ? "[\\s\\xa0]" : "";
- if(!options.strict){
- if(before){before += "*";}
- if(after){after += "*";}
- return "(?:"+before+symbol+after+")?";
- }
- return before+symbol+after;
- });
- }
-
-//TODO: substitute localized sign/percent/permille/etc.?
-
- // normalize whitespace and return
- return {regexp: re.replace(/[\xa0 ]/g, "[\\s\\xa0]"), group: group, decimal: decimal, factor: factor}; // Object
-};
-
-/*=====
-number.__ParseOptions = declare(null, {
- // pattern: String?
- // override [formatting pattern](http://www.unicode.org/reports/tr35/#Number_Format_Patterns)
- // with this string. Default value is based on locale. Overriding this property will defeat
- // localization. Literal characters in patterns are not supported.
- // type: String?
- // choose a format type based on the locale from the following:
- // decimal, scientific (not yet supported), percent, currency. decimal by default.
- // locale: String?
- // override the locale used to determine formatting rules
- // strict: Boolean?
- // strict parsing, false by default. Strict parsing requires input as produced by the format() method.
- // Non-strict is more permissive, e.g. flexible on white space, omitting thousands separators
- // fractional: Boolean|Array?
- // Whether to include the fractional portion, where the number of decimal places are implied by pattern
- // or explicit 'places' parameter. The value [true,false] makes the fractional portion optional.
-});
-=====*/
-number.parse = function(/*String*/ expression, /*number.__ParseOptions?*/ options){
- // summary:
- // Convert a properly formatted string to a primitive Number, using
- // locale-specific settings.
- // description:
- // Create a Number from a string using a known localized pattern.
- // Formatting patterns are chosen appropriate to the locale
- // and follow the syntax described by
- // [unicode.org TR35](http://www.unicode.org/reports/tr35/#Number_Format_Patterns)
- // Note that literal characters in patterns are not supported.
- // expression:
- // A string representation of a Number
- var info = number._parseInfo(options),
- results = (new RegExp("^"+info.regexp+"$")).exec(expression);
- if(!results){
- return NaN; //NaN
- }
- var absoluteMatch = results[1]; // match for the positive expression
- if(!results[1]){
- if(!results[2]){
- return NaN; //NaN
- }
- // matched the negative pattern
- absoluteMatch =results[2];
- info.factor *= -1;
- }
-
- // Transform it to something Javascript can parse as a number. Normalize
- // decimal point and strip out group separators or alternate forms of whitespace
- absoluteMatch = absoluteMatch.
- replace(new RegExp("["+info.group + "\\s\\xa0"+"]", "g"), "").
- replace(info.decimal, ".");
- // Adjust for negative sign, percent, etc. as necessary
- return absoluteMatch * info.factor; //Number
-};
-
-/*=====
-number.__RealNumberRegexpFlags = declare(null, {
- // places: Number?
- // The integer number of decimal places or a range given as "n,m". If
- // not given, the decimal part is optional and the number of places is
- // unlimited.
- // decimal: String?
- // A string for the character used as the decimal point. Default
- // is ".".
- // fractional: Boolean|Array?
- // Whether decimal places are used. Can be true, false, or [true,
- // false]. Default is [true, false] which means optional.
- // exponent: Boolean|Array?
- // Express in exponential notation. Can be true, false, or [true,
- // false]. Default is [true, false], (i.e. will match if the
- // exponential part is present are not).
- // eSigned: Boolean|Array?
- // The leading plus-or-minus sign on the exponent. Can be true,
- // false, or [true, false]. Default is [true, false], (i.e. will
- // match if it is signed or unsigned). flags in regexp.integer can be
- // applied.
-});
-=====*/
-
-number._realNumberRegexp = function(/*__RealNumberRegexpFlags?*/ flags){
- // summary:
- // Builds a regular expression to match a real number in exponential
- // notation
-
- // assign default values to missing parameters
- flags = flags || {};
- //TODO: use mixin instead?
- if(!("places" in flags)){ flags.places = Infinity; }
- if(typeof flags.decimal != "string"){ flags.decimal = "."; }
- if(!("fractional" in flags) || /^0/.test(flags.places)){ flags.fractional = [true, false]; }
- if(!("exponent" in flags)){ flags.exponent = [true, false]; }
- if(!("eSigned" in flags)){ flags.eSigned = [true, false]; }
-
- var integerRE = number._integerRegexp(flags),
- decimalRE = dregexp.buildGroupRE(flags.fractional,
- function(q){
- var re = "";
- if(q && (flags.places!==0)){
- re = "\\" + flags.decimal;
- if(flags.places == Infinity){
- re = "(?:" + re + "\\d+)?";
- }else{
- re += "\\d{" + flags.places + "}";
- }
- }
- return re;
- },
- true
- );
-
- var exponentRE = dregexp.buildGroupRE(flags.exponent,
- function(q){
- if(q){ return "([eE]" + number._integerRegexp({ signed: flags.eSigned}) + ")"; }
- return "";
- }
- );
-
- var realRE = integerRE + decimalRE;
- // allow for decimals without integers, e.g. .25
- if(decimalRE){realRE = "(?:(?:"+ realRE + ")|(?:" + decimalRE + "))";}
- return realRE + exponentRE; // String
-};
-
-/*=====
-number.__IntegerRegexpFlags = declare(null, {
- // signed: Boolean?
- // The leading plus-or-minus sign. Can be true, false, or `[true,false]`.
- // Default is `[true, false]`, (i.e. will match if it is signed
- // or unsigned).
- // separator: String?
- // The character used as the thousands separator. Default is no
- // separator. For more than one symbol use an array, e.g. `[",", ""]`,
- // makes ',' optional.
- // groupSize: Number?
- // group size between separators
- // groupSize2: Number?
- // second grouping, where separators 2..n have a different interval than the first separator (for India)
-});
-=====*/
-
-number._integerRegexp = function(/*number.__IntegerRegexpFlags?*/ flags){
- // summary:
- // Builds a regular expression that matches an integer
-
- // assign default values to missing parameters
- flags = flags || {};
- if(!("signed" in flags)){ flags.signed = [true, false]; }
- if(!("separator" in flags)){
- flags.separator = "";
- }else if(!("groupSize" in flags)){
- flags.groupSize = 3;
- }
-
- var signRE = dregexp.buildGroupRE(flags.signed,
- function(q){ return q ? "[-+]" : ""; },
- true
- );
-
- var numberRE = dregexp.buildGroupRE(flags.separator,
- function(sep){
- if(!sep){
- return "(?:\\d+)";
- }
-
- sep = dregexp.escapeString(sep);
- if(sep == " "){ sep = "\\s"; }
- else if(sep == "\xa0"){ sep = "\\s\\xa0"; }
-
- var grp = flags.groupSize, grp2 = flags.groupSize2;
- //TODO: should we continue to enforce that numbers with separators begin with 1-9? See #6933
- if(grp2){
- var grp2RE = "(?:0|[1-9]\\d{0," + (grp2-1) + "}(?:[" + sep + "]\\d{" + grp2 + "})*[" + sep + "]\\d{" + grp + "})";
- return ((grp-grp2) > 0) ? "(?:" + grp2RE + "|(?:0|[1-9]\\d{0," + (grp-1) + "}))" : grp2RE;
- }
- return "(?:0|[1-9]\\d{0," + (grp-1) + "}(?:[" + sep + "]\\d{" + grp + "})*)";
- },
- true
- );
-
- return signRE + numberRE; // String
-};
-
-return number;
-});
git.wh0rd.org / tt-rss.git / blobdiff