root / trunk / web / dojo / dojox / string / sprintf.js @ 9
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| 1 | 9 | andrej.cim | /*
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| 2 | Copyright (c) 2004-2010, The Dojo Foundation All Rights Reserved.
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| 3 | Available via Academic Free License >= 2.1 OR the modified BSD license.
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| 4 | see: http://dojotoolkit.org/license for details
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| 5 | */
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| 6 | |||
| 7 | |||
| 8 | if(!dojo._hasResource["dojox.string.sprintf"]){ |
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| 9 | dojo._hasResource["dojox.string.sprintf"]=true; |
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| 10 | dojo.provide("dojox.string.sprintf");
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| 11 | dojo.require("dojox.string.tokenize");
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| 12 | dojox.string.sprintf=function(_1,_2){ |
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| 13 | for(var _3=[],i=1;i<arguments.length;i++){ |
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| 14 | _3.push(arguments[i]);
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| 15 | } |
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| 16 | var _4=new dojox.string.sprintf.Formatter(_1); |
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| 17 | return _4.format.apply(_4,_3);
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| 18 | }; |
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| 19 | dojox.string.sprintf.Formatter=function(_5){ |
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| 20 | var _6=[];
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| 21 | this._mapped=false; |
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| 22 | this._format=_5;
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| 23 | this._tokens=dojox.string.tokenize(_5,this._re,this._parseDelim,this); |
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| 24 | }; |
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| 25 | dojo.extend(dojox.string.sprintf.Formatter,{_re:/\%(?:\(([\w_]+)\)|([1-9]\d*)\$)?([0 +\-\#]*)(\*|\d+)?(\.)?(\*|\d+)?[hlL]?([\%scdeEfFgGiouxX])/g,_parseDelim:function(_7,_8,_9,_a,_b,_c,_d){
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| 26 | if(_7){
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| 27 | this._mapped=true; |
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| 28 | } |
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| 29 | return {mapping:_7,intmapping:_8,flags:_9,_minWidth:_a,period:_b,_precision:_c,specifier:_d}; |
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| 30 | },_specifiers:{b:{base:2,isInt:true},o:{base:8,isInt:true},x:{base:16,isInt:true},X:{extend:["x"],toUpper:true},d:{base:10,isInt:true},i:{extend:["d"]},u:{extend:["d"],isUnsigned:true},c:{setArg:function(_e){ |
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| 31 | if(!isNaN(_e.arg)){
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| 32 | var _f=parseInt(_e.arg);
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| 33 | if(_f<0||_f>127){ |
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| 34 | throw new Error("invalid character code passed to %c in sprintf"); |
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| 35 | } |
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| 36 | _e.arg=isNaN(_f)?""+_f:String.fromCharCode(_f);
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| 37 | } |
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| 38 | }},s:{setMaxWidth:function(_10){ |
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| 39 | _10.maxWidth=(_10.period==".")?_10.precision:-1; |
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| 40 | }},e:{isDouble:true,doubleNotation:"e"},E:{extend:["e"],toUpper:true},f:{isDouble:true,doubleNotation:"f"},F:{extend:["f"]},g:{isDouble:true,doubleNotation:"g"},G:{extend:["g"],toUpper:true}},format:function(_11){ |
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| 41 | if(this._mapped&&typeof _11!="object"){ |
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| 42 | throw new Error("format requires a mapping"); |
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| 43 | } |
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| 44 | var str=""; |
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| 45 | var _12=0; |
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| 46 | for(var i=0,_13;i<this._tokens.length;i++){ |
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| 47 | _13=this._tokens[i];
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| 48 | if(typeof _13=="string"){ |
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| 49 | str+=_13; |
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| 50 | }else{
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| 51 | if(this._mapped){ |
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| 52 | if(typeof _11[_13.mapping]=="undefined"){ |
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| 53 | throw new Error("missing key "+_13.mapping); |
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| 54 | } |
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| 55 | _13.arg=_11[_13.mapping]; |
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| 56 | }else{
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| 57 | if(_13.intmapping){
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| 58 | var _12=parseInt(_13.intmapping)-1; |
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| 59 | } |
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| 60 | if(_12>=arguments.length){ |
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| 61 | throw new Error("got "+arguments.length+" printf arguments, insufficient for '"+this._format+"'"); |
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| 62 | } |
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| 63 | _13.arg=arguments[_12++];
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| 64 | } |
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| 65 | if(!_13.compiled){
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| 66 | _13.compiled=true;
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| 67 | _13.sign="";
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| 68 | _13.zeroPad=false;
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| 69 | _13.rightJustify=false;
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| 70 | _13.alternative=false;
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| 71 | var _14={};
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| 72 | for(var fi=_13.flags.length;fi--;){ |
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| 73 | var _15=_13.flags.charAt(fi);
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| 74 | _14[_15]=true;
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| 75 | switch(_15){
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| 76 | case " ": |
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| 77 | _13.sign=" ";
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| 78 | break;
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| 79 | case "+": |
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| 80 | _13.sign="+";
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| 81 | break;
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| 82 | case "0": |
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| 83 | _13.zeroPad=(_14["-"])?false:true; |
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| 84 | break;
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| 85 | case "-": |
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| 86 | _13.rightJustify=true;
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| 87 | _13.zeroPad=false;
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| 88 | break;
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| 89 | case "#": |
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| 90 | _13.alternative=true;
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| 91 | break;
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| 92 | default:
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| 93 | throw Error("bad formatting flag '"+_13.flags.charAt(fi)+"'"); |
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| 94 | } |
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| 95 | } |
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| 96 | _13.minWidth=(_13._minWidth)?parseInt(_13._minWidth):0;
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| 97 | _13.maxWidth=-1;
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| 98 | _13.toUpper=false;
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| 99 | _13.isUnsigned=false;
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| 100 | _13.isInt=false;
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| 101 | _13.isDouble=false;
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| 102 | _13.precision=1;
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| 103 | if(_13.period=="."){ |
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| 104 | if(_13._precision){
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| 105 | _13.precision=parseInt(_13._precision); |
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| 106 | }else{
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| 107 | _13.precision=0;
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| 108 | } |
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| 109 | } |
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| 110 | var _16=this._specifiers[_13.specifier]; |
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| 111 | if(typeof _16=="undefined"){ |
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| 112 | throw new Error("unexpected specifier '"+_13.specifier+"'"); |
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| 113 | } |
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| 114 | if(_16.extend){
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| 115 | dojo.mixin(_16,this._specifiers[_16.extend]);
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| 116 | delete _16.extend;
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| 117 | } |
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| 118 | dojo.mixin(_13,_16); |
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| 119 | } |
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| 120 | if(typeof _13.setArg=="function"){ |
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| 121 | _13.setArg(_13); |
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| 122 | } |
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| 123 | if(typeof _13.setMaxWidth=="function"){ |
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| 124 | _13.setMaxWidth(_13); |
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| 125 | } |
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| 126 | if(_13._minWidth=="*"){ |
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| 127 | if(this._mapped){ |
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| 128 | throw new Error("* width not supported in mapped formats"); |
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| 129 | } |
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| 130 | _13.minWidth=parseInt(arguments[_12++]);
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| 131 | if(isNaN(_13.minWidth)){
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| 132 | throw new Error("the argument for * width at position "+_12+" is not a number in "+this._format); |
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| 133 | } |
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| 134 | if(_13.minWidth<0){ |
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| 135 | _13.rightJustify=true;
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| 136 | _13.minWidth=-_13.minWidth; |
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| 137 | } |
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| 138 | } |
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| 139 | if(_13._precision=="*"&&_13.period=="."){ |
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| 140 | if(this._mapped){ |
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| 141 | throw new Error("* precision not supported in mapped formats"); |
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| 142 | } |
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| 143 | _13.precision=parseInt(arguments[_12++]);
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| 144 | if(isNaN(_13.precision)){
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| 145 | throw Error("the argument for * precision at position "+_12+" is not a number in "+this._format); |
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| 146 | } |
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| 147 | if(_13.precision<0){ |
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| 148 | _13.precision=1;
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| 149 | _13.period="";
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| 150 | } |
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| 151 | } |
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| 152 | if(_13.isInt){
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| 153 | if(_13.period=="."){ |
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| 154 | _13.zeroPad=false;
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| 155 | } |
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| 156 | this.formatInt(_13);
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| 157 | }else{
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| 158 | if(_13.isDouble){
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| 159 | if(_13.period!="."){ |
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| 160 | _13.precision=6;
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| 161 | } |
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| 162 | this.formatDouble(_13);
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| 163 | } |
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| 164 | } |
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| 165 | this.fitField(_13);
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| 166 | str+=""+_13.arg;
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| 167 | } |
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| 168 | } |
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| 169 | return str;
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| 170 | },_zeros10:"0000000000",_spaces10:" ",formatInt:function(_17){ |
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| 171 | var i=parseInt(_17.arg);
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| 172 | if(!isFinite(i)){
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| 173 | if(typeof _17.arg!="number"){ |
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| 174 | throw new Error("format argument '"+_17.arg+"' not an integer; parseInt returned "+i); |
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| 175 | } |
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| 176 | i=0;
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| 177 | } |
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| 178 | if(i<0&&(_17.isUnsigned||_17.base!=10)){ |
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| 179 | i=4294967295+i+1; |
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| 180 | } |
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| 181 | if(i<0){ |
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| 182 | _17.arg=(-i).toString(_17.base); |
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| 183 | this.zeroPad(_17);
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| 184 | _17.arg="-"+_17.arg;
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| 185 | }else{
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| 186 | _17.arg=i.toString(_17.base); |
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| 187 | if(!i&&!_17.precision){
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| 188 | _17.arg="";
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| 189 | }else{
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| 190 | this.zeroPad(_17);
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| 191 | } |
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| 192 | if(_17.sign){
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| 193 | _17.arg=_17.sign+_17.arg; |
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| 194 | } |
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| 195 | } |
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| 196 | if(_17.base==16){ |
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| 197 | if(_17.alternative){
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| 198 | _17.arg="0x"+_17.arg;
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| 199 | } |
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| 200 | _17.arg=_17.toUpper?_17.arg.toUpperCase():_17.arg.toLowerCase(); |
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| 201 | } |
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| 202 | if(_17.base==8){ |
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| 203 | if(_17.alternative&&_17.arg.charAt(0)!="0"){ |
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| 204 | _17.arg="0"+_17.arg;
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| 205 | } |
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| 206 | } |
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| 207 | },formatDouble:function(_18){ |
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| 208 | var f=parseFloat(_18.arg);
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| 209 | if(!isFinite(f)){
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| 210 | if(typeof _18.arg!="number"){ |
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| 211 | throw new Error("format argument '"+_18.arg+"' not a float; parseFloat returned "+f); |
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| 212 | } |
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| 213 | f=0;
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| 214 | } |
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| 215 | switch(_18.doubleNotation){
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| 216 | case "e": |
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| 217 | _18.arg=f.toExponential(_18.precision); |
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| 218 | break;
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| 219 | case "f": |
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| 220 | _18.arg=f.toFixed(_18.precision); |
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| 221 | break;
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| 222 | case "g": |
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| 223 | if(Math.abs(f)<0.0001){ |
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| 224 | _18.arg=f.toExponential(_18.precision>0?_18.precision-1:_18.precision); |
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| 225 | }else{
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| 226 | _18.arg=f.toPrecision(_18.precision); |
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| 227 | } |
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| 228 | if(!_18.alternative){
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| 229 | _18.arg=_18.arg.replace(/(\..*[^0])0*/,"$1"); |
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| 230 | _18.arg=_18.arg.replace(/\.0*e/,"e").replace(/\.0$/,""); |
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| 231 | } |
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| 232 | break;
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| 233 | default:
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| 234 | throw new Error("unexpected double notation '"+_18.doubleNotation+"'"); |
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| 235 | } |
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| 236 | _18.arg=_18.arg.replace(/e\+(\d)$/,"e+0$1").replace(/e\-(\d)$/,"e-0$1"); |
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| 237 | if(dojo.isOpera){
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| 238 | _18.arg=_18.arg.replace(/^\./,"0."); |
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| 239 | } |
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| 240 | if(_18.alternative){
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| 241 | _18.arg=_18.arg.replace(/^(\d+)$/,"$1."); |
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| 242 | _18.arg=_18.arg.replace(/^(\d+)e/,"$1.e"); |
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| 243 | } |
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| 244 | if(f>=0&&_18.sign){ |
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| 245 | _18.arg=_18.sign+_18.arg; |
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| 246 | } |
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| 247 | _18.arg=_18.toUpper?_18.arg.toUpperCase():_18.arg.toLowerCase(); |
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| 248 | },zeroPad:function(_19,_1a){ |
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| 249 | _1a=(arguments.length==2)?_1a:_19.precision; |
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| 250 | if(typeof _19.arg!="string"){ |
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| 251 | _19.arg=""+_19.arg;
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| 252 | } |
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| 253 | var _1b=_1a-10; |
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| 254 | while(_19.arg.length<_1b){
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| 255 | _19.arg=(_19.rightJustify)?_19.arg+this._zeros10:this._zeros10+_19.arg; |
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| 256 | } |
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| 257 | var pad=_1a-_19.arg.length;
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| 258 | _19.arg=(_19.rightJustify)?_19.arg+this._zeros10.substring(0,pad):this._zeros10.substring(0,pad)+_19.arg; |
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| 259 | },fitField:function(_1c){ |
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| 260 | if(_1c.maxWidth>=0&&_1c.arg.length>_1c.maxWidth){ |
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| 261 | return _1c.arg.substring(0,_1c.maxWidth); |
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| 262 | } |
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| 263 | if(_1c.zeroPad){
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| 264 | this.zeroPad(_1c,_1c.minWidth);
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| 265 | return;
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| 266 | } |
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| 267 | this.spacePad(_1c);
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| 268 | },spacePad:function(_1d,_1e){ |
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| 269 | _1e=(arguments.length==2)?_1e:_1d.minWidth; |
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| 270 | if(typeof _1d.arg!="string"){ |
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| 271 | _1d.arg=""+_1d.arg;
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| 272 | } |
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| 273 | var _1f=_1e-10; |
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| 274 | while(_1d.arg.length<_1f){
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| 275 | _1d.arg=(_1d.rightJustify)?_1d.arg+this._spaces10:this._spaces10+_1d.arg; |
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| 276 | } |
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| 277 | var pad=_1e-_1d.arg.length;
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| 278 | _1d.arg=(_1d.rightJustify)?_1d.arg+this._spaces10.substring(0,pad):this._spaces10.substring(0,pad)+_1d.arg; |
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| 279 | }}); |
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| 280 | } |