407 lines
11 KiB
JavaScript
407 lines
11 KiB
JavaScript
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if(!dojo._hasResource["dojox.string.sprintf"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
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dojo._hasResource["dojox.string.sprintf"] = true;
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dojo.provide("dojox.string.sprintf");
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dojo.require("dojox.string.tokenize");
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dojox.string.sprintf = function(/*String*/ format, /*mixed...*/ filler){
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for(var args = [], i = 1; i < arguments.length; i++){
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args.push(arguments[i]);
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}
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var formatter = new dojox.string.sprintf.Formatter(format);
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return formatter.format.apply(formatter, args);
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}
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dojox.string.sprintf.Formatter = function(/*String*/ format){
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var tokens = [];
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this._mapped = false;
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this._format = format;
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this._tokens = dojox.string.tokenize(format, this._re, this._parseDelim, this);
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}
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dojo.extend(dojox.string.sprintf.Formatter, {
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_re: /\%(?:\(([\w_]+)\)|([1-9]\d*)\$)?([0 +\-\#]*)(\*|\d+)?(\.)?(\*|\d+)?[hlL]?([\%scdeEfFgGiouxX])/g,
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_parseDelim: function(mapping, intmapping, flags, minWidth, period, precision, specifier){
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if(mapping){
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this._mapped = true;
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}
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return {
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mapping: mapping,
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intmapping: intmapping,
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flags: flags,
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_minWidth: minWidth, // May be dependent on parameters
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period: period,
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_precision: precision, // May be dependent on parameters
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specifier: specifier
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};
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},
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_specifiers: {
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b: {
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base: 2,
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isInt: true
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},
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o: {
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base: 8,
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isInt: true
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},
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x: {
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base: 16,
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isInt: true
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},
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X: {
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extend: ["x"],
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toUpper: true
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},
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d: {
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base: 10,
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isInt: true
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},
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i: {
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extend: ["d"]
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},
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u: {
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extend: ["d"],
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isUnsigned: true
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},
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c: {
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setArg: function(token){
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if(!isNaN(token.arg)){
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var num = parseInt(token.arg);
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if(num < 0 || num > 127){
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throw new Error("invalid character code passed to %c in sprintf");
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}
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token.arg = isNaN(num) ? "" + num : String.fromCharCode(num);
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}
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}
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},
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s: {
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setMaxWidth: function(token){
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token.maxWidth = (token.period == ".") ? token.precision : -1;
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}
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},
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e: {
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isDouble: true,
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doubleNotation: "e"
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},
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E: {
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extend: ["e"],
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toUpper: true
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},
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f: {
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isDouble: true,
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doubleNotation: "f"
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},
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F: {
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extend: ["f"]
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},
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g: {
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isDouble: true,
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doubleNotation: "g"
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},
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G: {
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extend: ["g"],
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toUpper: true
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}
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},
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format: function(/*mixed...*/ filler){
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if(this._mapped && typeof filler != "object"){
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throw new Error("format requires a mapping");
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}
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var str = "";
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var position = 0;
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for(var i = 0, token; i < this._tokens.length; i++){
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token = this._tokens[i];
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if(typeof token == "string"){
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str += token;
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}else{
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if(this._mapped){
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if(typeof filler[token.mapping] == "undefined"){
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throw new Error("missing key " + token.mapping);
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}
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token.arg = filler[token.mapping];
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}else{
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if(token.intmapping){
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var position = parseInt(token.intmapping) - 1;
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}
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if(position >= arguments.length){
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throw new Error("got " + arguments.length + " printf arguments, insufficient for '" + this._format + "'");
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}
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token.arg = arguments[position++];
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}
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if(!token.compiled){
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token.compiled = true;
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token.sign = "";
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token.zeroPad = false;
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token.rightJustify = false;
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token.alternative = false;
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var flags = {};
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for(var fi = token.flags.length; fi--;){
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var flag = token.flags.charAt(fi);
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flags[flag] = true;
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switch(flag){
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case " ":
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token.sign = " ";
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break;
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case "+":
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token.sign = "+";
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break;
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case "0":
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token.zeroPad = (flags["-"]) ? false : true;
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break;
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case "-":
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token.rightJustify = true;
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token.zeroPad = false;
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break;
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case "\#":
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token.alternative = true;
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break;
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default:
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throw Error("bad formatting flag '" + token.flags.charAt(fi) + "'");
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}
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}
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token.minWidth = (token._minWidth) ? parseInt(token._minWidth) : 0;
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token.maxWidth = -1;
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token.toUpper = false;
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token.isUnsigned = false;
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token.isInt = false;
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token.isDouble = false;
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token.precision = 1;
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if(token.period == '.'){
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if(token._precision){
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token.precision = parseInt(token._precision);
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}else{
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token.precision = 0;
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}
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}
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var mixins = this._specifiers[token.specifier];
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if(typeof mixins == "undefined"){
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throw new Error("unexpected specifier '" + token.specifier + "'");
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}
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if(mixins.extend){
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dojo.mixin(mixins, this._specifiers[mixins.extend]);
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delete mixins.extend;
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}
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dojo.mixin(token, mixins);
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}
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if(typeof token.setArg == "function"){
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token.setArg(token);
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}
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if(typeof token.setMaxWidth == "function"){
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token.setMaxWidth(token);
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}
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if(token._minWidth == "*"){
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if(this._mapped){
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throw new Error("* width not supported in mapped formats");
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}
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token.minWidth = parseInt(arguments[position++]);
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if(isNaN(token.minWidth)){
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throw new Error("the argument for * width at position " + position + " is not a number in " + this._format);
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}
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// negative width means rightJustify
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if (token.minWidth < 0) {
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token.rightJustify = true;
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token.minWidth = -token.minWidth;
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}
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}
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if(token._precision == "*" && token.period == "."){
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if(this._mapped){
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throw new Error("* precision not supported in mapped formats");
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}
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token.precision = parseInt(arguments[position++]);
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if(isNaN(token.precision)){
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throw Error("the argument for * precision at position " + position + " is not a number in " + this._format);
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}
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// negative precision means unspecified
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if (token.precision < 0) {
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token.precision = 1;
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token.period = '';
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}
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}
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if(token.isInt){
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// a specified precision means no zero padding
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if(token.period == '.'){
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token.zeroPad = false;
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}
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this.formatInt(token);
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}else if(token.isDouble){
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if(token.period != '.'){
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token.precision = 6;
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}
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this.formatDouble(token);
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}
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this.fitField(token);
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str += "" + token.arg;
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}
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}
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return str;
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},
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_zeros10: '0000000000',
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_spaces10: ' ',
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formatInt: function(token) {
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var i = parseInt(token.arg);
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if(!isFinite(i)){ // isNaN(f) || f == Number.POSITIVE_INFINITY || f == Number.NEGATIVE_INFINITY)
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// allow this only if arg is number
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if(typeof token.arg != "number"){
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throw new Error("format argument '" + token.arg + "' not an integer; parseInt returned " + i);
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}
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//return '' + i;
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i = 0;
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}
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// if not base 10, make negatives be positive
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// otherwise, (-10).toString(16) is '-a' instead of 'fffffff6'
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if(i < 0 && (token.isUnsigned || token.base != 10)){
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i = 0xffffffff + i + 1;
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}
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if(i < 0){
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token.arg = (- i).toString(token.base);
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this.zeroPad(token);
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token.arg = "-" + token.arg;
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}else{
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token.arg = i.toString(token.base);
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// need to make sure that argument 0 with precision==0 is formatted as ''
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if(!i && !token.precision){
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token.arg = "";
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}else{
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this.zeroPad(token);
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}
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if(token.sign){
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token.arg = token.sign + token.arg;
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}
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}
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if(token.base == 16){
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if(token.alternative){
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token.arg = '0x' + token.arg;
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}
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toke.art = token.toUpper ? token.arg.toUpperCase() : token.arg.toLowerCase();
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}
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if(token.base == 8){
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if(token.alternative && token.arg.charAt(0) != '0'){
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token.arg = '0' + token.arg;
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}
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}
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},
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formatDouble: function(token) {
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var f = parseFloat(token.arg);
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if(!isFinite(f)){ // isNaN(f) || f == Number.POSITIVE_INFINITY || f == Number.NEGATIVE_INFINITY)
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// allow this only if arg is number
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if(typeof token.arg != "number"){
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throw new Error("format argument '" + token.arg + "' not a float; parseFloat returned " + f);
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}
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// C99 says that for 'f':
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// infinity -> '[-]inf' or '[-]infinity' ('[-]INF' or '[-]INFINITY' for 'F')
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// NaN -> a string starting with 'nan' ('NAN' for 'F')
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// this is not commonly implemented though.
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//return '' + f;
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f = 0;
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}
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switch(token.doubleNotation) {
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case 'e': {
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token.arg = f.toExponential(token.precision);
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break;
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}
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case 'f': {
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token.arg = f.toFixed(token.precision);
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break;
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}
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case 'g': {
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// C says use 'e' notation if exponent is < -4 or is >= prec
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// ECMAScript for toPrecision says use exponential notation if exponent is >= prec,
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// though step 17 of toPrecision indicates a test for < -6 to force exponential.
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if(Math.abs(f) < 0.0001){
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//print("forcing exponential notation for f=" + f);
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token.arg = f.toExponential(token.precision > 0 ? token.precision - 1 : token.precision);
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}else{
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token.arg = f.toPrecision(token.precision);
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}
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// In C, unlike 'f', 'gG' removes trailing 0s from fractional part, unless alternative format flag ("#").
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// But ECMAScript formats toPrecision as 0.00100000. So remove trailing 0s.
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if(!token.alternative){
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//print("replacing trailing 0 in '" + s + "'");
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token.arg = token.arg.replace(/(\..*[^0])0*/, "$1");
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// if fractional part is entirely 0, remove it and decimal point
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token.arg = token.arg.replace(/\.0*e/, 'e').replace(/\.0$/,'');
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}
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break;
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}
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default: throw new Error("unexpected double notation '" + token.doubleNotation + "'");
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}
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// C says that exponent must have at least two digits.
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// But ECMAScript does not; toExponential results in things like "1.000000e-8" and "1.000000e+8".
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// Note that s.replace(/e([\+\-])(\d)/, "e$10$2") won't work because of the "$10" instead of "$1".
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// And replace(re, func) isn't supported on IE50 or Safari1.
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token.arg = token.arg.replace(/e\+(\d)$/, "e+0$1").replace(/e\-(\d)$/, "e-0$1");
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// Ensure a '0' before the period.
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// Opera implements (0.001).toString() as '0.001', but (0.001).toFixed(1) is '.001'
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if(dojo.isOpera){
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token.arg = token.arg.replace(/^\./, '0.');
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}
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// if alt, ensure a decimal point
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if(token.alternative){
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token.arg = token.arg.replace(/^(\d+)$/,"$1.");
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token.arg = token.arg.replace(/^(\d+)e/,"$1.e");
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}
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if(f >= 0 && token.sign){
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token.arg = token.sign + token.arg;
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}
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token.arg = token.toUpper ? token.arg.toUpperCase() : token.arg.toLowerCase();
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},
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zeroPad: function(token, /*Int*/ length) {
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length = (arguments.length == 2) ? length : token.precision;
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if(typeof token.arg != "string"){
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token.arg = "" + token.arg;
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}
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var tenless = length - 10;
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while(token.arg.length < tenless){
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token.arg = (token.rightJustify) ? token.arg + this._zeros10 : this._zeros10 + token.arg;
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}
|
||
|
|
var pad = length - token.arg.length;
|
||
|
|
token.arg = (token.rightJustify) ? token.arg + this._zeros10.substring(0, pad) : this._zeros10.substring(0, pad) + token.arg;
|
||
|
|
},
|
||
|
|
fitField: function(token) {
|
||
|
|
if(token.maxWidth >= 0 && token.arg.length > token.maxWidth){
|
||
|
|
return token.arg.substring(0, token.maxWidth);
|
||
|
|
}
|
||
|
|
if(token.zeroPad){
|
||
|
|
this.zeroPad(token, token.minWidth);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
this.spacePad(token);
|
||
|
|
},
|
||
|
|
spacePad: function(token, /*Int*/ length) {
|
||
|
|
length = (arguments.length == 2) ? length : token.minWidth;
|
||
|
|
if(typeof token.arg != 'string'){
|
||
|
|
token.arg = '' + token.arg;
|
||
|
|
}
|
||
|
|
|
||
|
|
var tenless = length - 10;
|
||
|
|
while(token.arg.length < tenless){
|
||
|
|
token.arg = (token.rightJustify) ? token.arg + this._spaces10 : this._spaces10 + token.arg;
|
||
|
|
}
|
||
|
|
var pad = length - token.arg.length;
|
||
|
|
token.arg = (token.rightJustify) ? token.arg + this._spaces10.substring(0, pad) : this._spaces10.substring(0, pad) + token.arg;
|
||
|
|
}
|
||
|
|
});
|
||
|
|
|
||
|
|
}
|