lib/dojo/number.js

   1 /*
   2         Copyright (c) 2004-2010, The Dojo Foundation All Rights Reserved.
   3         Available via Academic Free License >= 2.1 OR the modified BSD license.
   4         see: http://dojotoolkit.org/license for details
   5 */
   6
   7
   8 if(!dojo._hasResource["dojo.number"]){
   9 dojo._hasResource["dojo.number"]=true;
  10 dojo.provide("dojo.number");
  11 dojo.require("dojo.i18n");
  12 dojo.requireLocalization("dojo.cldr","number",null,"ROOT,ar,ca,cs,da,de,el,en,en-au,en-gb,es,fi,fr,he,hu,it,ja,ko,nb,nl,pl,pt,pt-pt,ru,sk,sl,sv,th,tr,zh");
  13 dojo.require("dojo.string");
  14 dojo.require("dojo.regexp");
  15 dojo.number.format=function(_1,_2){
  16 _2=dojo.mixin({},_2||{});
  17 var _3=dojo.i18n.normalizeLocale(_2.locale),_4=dojo.i18n.getLocalization("dojo.cldr","number",_3);
  18 _2.customs=_4;
  19 var _5=_2.pattern||_4[(_2.type||"decimal")+"Format"];
  20 if(isNaN(_1)||Math.abs(_1)==Infinity){
  21 return null;
  22 }
  23 return dojo.number._applyPattern(_1,_5,_2);
  24 };
  25 dojo.number._numberPatternRE=/[#0,]*[#0](?:\.0*#*)?/;
  26 dojo.number._applyPattern=function(_6,_7,_8){
  27 _8=_8||{};
  28 var _9=_8.customs.group,_a=_8.customs.decimal,_b=_7.split(";"),_c=_b[0];
  29 _7=_b[(_6<0)?1:0]||("-"+_c);
  30 if(_7.indexOf("%")!=-1){
  31 _6*=100;
  32 }else{
  33 if(_7.indexOf("‰")!=-1){
  34 _6*=1000;
  35 }else{
  36 if(_7.indexOf("¤")!=-1){
  37 _9=_8.customs.currencyGroup||_9;
  38 _a=_8.customs.currencyDecimal||_a;
  39 _7=_7.replace(/\u00a4{1,3}/,function(_d){
  40 var _e=["symbol","currency","displayName"][_d.length-1];
  41 return _8[_e]||_8.currency||"";
  42 });
  43 }else{
  44 if(_7.indexOf("E")!=-1){
  45 throw new Error("exponential notation not supported");
  46 }
  47 }
  48 }
  49 }
  50 var _f=dojo.number._numberPatternRE;
  51 var _10=_c.match(_f);
  52 if(!_10){
  53 throw new Error("unable to find a number expression in pattern: "+_7);
  54 }
  55 if(_8.fractional===false){
  56 _8.places=0;
  57 }
  58 return _7.replace(_f,dojo.number._formatAbsolute(_6,_10[0],{decimal:_a,group:_9,places:_8.places,round:_8.round}));
  59 };
  60 dojo.number.round=function(_11,_12,_13){
  61 var _14=10/(_13||10);
  62 return (_14*+_11).toFixed(_12)/_14;
  63 };
  64 if((0.9).toFixed()==0){
  65 (function(){
  66 var _15=dojo.number.round;
  67 dojo.number.round=function(v,p,m){
  68 var d=Math.pow(10,-p||0),a=Math.abs(v);
  69 if(!v||a>=d||a*Math.pow(10,p+1)<5){
  70 d=0;
  71 }
  72 return _15(v,p,m)+(v>0?d:-d);
  73 };
  74 })();
  75 }
  76 dojo.number._formatAbsolute=function(_16,_17,_18){
  77 _18=_18||{};
  78 if(_18.places===true){
  79 _18.places=0;
  80 }
  81 if(_18.places===Infinity){
  82 _18.places=6;
  83 }
  84 var _19=_17.split("."),_1a=typeof _18.places=="string"&&_18.places.indexOf(","),_1b=_18.places;
  85 if(_1a){
  86 _1b=_18.places.substring(_1a+1);
  87 }else{
  88 if(!(_1b>=0)){
  89 _1b=(_19[1]||[]).length;
  90 }
  91 }
  92 if(!(_18.round<0)){
  93 _16=dojo.number.round(_16,_1b,_18.round);
  94 }
  95 var _1c=String(Math.abs(_16)).split("."),_1d=_1c[1]||"";
  96 if(_19[1]||_18.places){
  97 if(_1a){
  98 _18.places=_18.places.substring(0,_1a);
  99 }
 100 var pad=_18.places!==undefined?_18.places:(_19[1]&&_19[1].lastIndexOf("0")+1);
 101 if(pad>_1d.length){
 102 _1c[1]=dojo.string.pad(_1d,pad,"0",true);
 103 }
 104 if(_1b<_1d.length){
 105 _1c[1]=_1d.substr(0,_1b);
 106 }
 107 }else{
 108 if(_1c[1]){
 109 _1c.pop();
 110 }
 111 }
 112 var _1e=_19[0].replace(",","");
 113 pad=_1e.indexOf("0");
 114 if(pad!=-1){
 115 pad=_1e.length-pad;
 116 if(pad>_1c[0].length){
 117 _1c[0]=dojo.string.pad(_1c[0],pad);
 118 }
 119 if(_1e.indexOf("#")==-1){
 120 _1c[0]=_1c[0].substr(_1c[0].length-pad);
 121 }
 122 }
 123 var _1f=_19[0].lastIndexOf(","),_20,_21;
 124 if(_1f!=-1){
 125 _20=_19[0].length-_1f-1;
 126 var _22=_19[0].substr(0,_1f);
 127 _1f=_22.lastIndexOf(",");
 128 if(_1f!=-1){
 129 _21=_22.length-_1f-1;
 130 }
 131 }
 132 var _23=[];
 133 for(var _24=_1c[0];_24;){
 134 var off=_24.length-_20;
 135 _23.push((off>0)?_24.substr(off):_24);
 136 _24=(off>0)?_24.slice(0,off):"";
 137 if(_21){
 138 _20=_21;
 139 delete _21;
 140 }
 141 }
 142 _1c[0]=_23.reverse().join(_18.group||",");
 143 return _1c.join(_18.decimal||".");
 144 };
 145 dojo.number.regexp=function(_25){
 146 return dojo.number._parseInfo(_25).regexp;
 147 };
 148 dojo.number._parseInfo=function(_26){
 149 _26=_26||{};
 150 var _27=dojo.i18n.normalizeLocale(_26.locale),_28=dojo.i18n.getLocalization("dojo.cldr","number",_27),_29=_26.pattern||_28[(_26.type||"decimal")+"Format"],_2a=_28.group,_2b=_28.decimal,_2c=1;
 151 if(_29.indexOf("%")!=-1){
 152 _2c/=100;
 153 }else{
 154 if(_29.indexOf("‰")!=-1){
 155 _2c/=1000;
 156 }else{
 157 var _2d=_29.indexOf("¤")!=-1;
 158 if(_2d){
 159 _2a=_28.currencyGroup||_2a;
 160 _2b=_28.currencyDecimal||_2b;
 161 }
 162 }
 163 }
 164 var _2e=_29.split(";");
 165 if(_2e.length==1){
 166 _2e.push("-"+_2e[0]);
 167 }
 168 var re=dojo.regexp.buildGroupRE(_2e,function(_2f){
 169 _2f="(?:"+dojo.regexp.escapeString(_2f,".")+")";
 170 return _2f.replace(dojo.number._numberPatternRE,function(_30){
 171 var _31={signed:false,separator:_26.strict?_2a:[_2a,""],fractional:_26.fractional,decimal:_2b,exponent:false},_32=_30.split("."),_33=_26.places;
 172 if(_32.length==1&&_2c!=1){
 173 _32[1]="###";
 174 }
 175 if(_32.length==1||_33===0){
 176 _31.fractional=false;
 177 }else{
 178 if(_33===undefined){
 179 _33=_26.pattern?_32[1].lastIndexOf("0")+1:Infinity;
 180 }
 181 if(_33&&_26.fractional==undefined){
 182 _31.fractional=true;
 183 }
 184 if(!_26.places&&(_33<_32[1].length)){
 185 _33+=","+_32[1].length;
 186 }
 187 _31.places=_33;
 188 }
 189 var _34=_32[0].split(",");
 190 if(_34.length>1){
 191 _31.groupSize=_34.pop().length;
 192 if(_34.length>1){
 193 _31.groupSize2=_34.pop().length;
 194 }
 195 }
 196 return "("+dojo.number._realNumberRegexp(_31)+")";
 197 });
 198 },true);
 199 if(_2d){
 200 re=re.replace(/([\s\xa0]*)(\u00a4{1,3})([\s\xa0]*)/g,function(_35,_36,_37,_38){
 201 var _39=["symbol","currency","displayName"][_37.length-1],_3a=dojo.regexp.escapeString(_26[_39]||_26.currency||"");
 202 _36=_36?"[\\s\\xa0]":"";
 203 _38=_38?"[\\s\\xa0]":"";
 204 if(!_26.strict){
 205 if(_36){
 206 _36+="*";
 207 }
 208 if(_38){
 209 _38+="*";
 210 }
 211 return "(?:"+_36+_3a+_38+")?";
 212 }
 213 return _36+_3a+_38;
 214 });
 215 }
 216 return {regexp:re.replace(/[\xa0 ]/g,"[\\s\\xa0]"),group:_2a,decimal:_2b,factor:_2c};
 217 };
 218 dojo.number.parse=function(_3b,_3c){
 219 var _3d=dojo.number._parseInfo(_3c),_3e=(new RegExp("^"+_3d.regexp+"$")).exec(_3b);
 220 if(!_3e){
 221 return NaN;
 222 }
 223 var _3f=_3e[1];
 224 if(!_3e[1]){
 225 if(!_3e[2]){
 226 return NaN;
 227 }
 228 _3f=_3e[2];
 229 _3d.factor*=-1;
 230 }
 231 _3f=_3f.replace(new RegExp("["+_3d.group+"\\s\\xa0"+"]","g"),"").replace(_3d.decimal,".");
 232 return _3f*_3d.factor;
 233 };
 234 dojo.number._realNumberRegexp=function(_40){
 235 _40=_40||{};
 236 if(!("places" in _40)){
 237 _40.places=Infinity;
 238 }
 239 if(typeof _40.decimal!="string"){
 240 _40.decimal=".";
 241 }
 242 if(!("fractional" in _40)||/^0/.test(_40.places)){
 243 _40.fractional=[true,false];
 244 }
 245 if(!("exponent" in _40)){
 246 _40.exponent=[true,false];
 247 }
 248 if(!("eSigned" in _40)){
 249 _40.eSigned=[true,false];
 250 }
 251 var _41=dojo.number._integerRegexp(_40),_42=dojo.regexp.buildGroupRE(_40.fractional,function(q){
 252 var re="";
 253 if(q&&(_40.places!==0)){
 254 re="\\"+_40.decimal;
 255 if(_40.places==Infinity){
 256 re="(?:"+re+"\\d+)?";
 257 }else{
 258 re+="\\d{"+_40.places+"}";
 259 }
 260 }
 261 return re;
 262 },true);
 263 var _43=dojo.regexp.buildGroupRE(_40.exponent,function(q){
 264 if(q){
 265 return "([eE]"+dojo.number._integerRegexp({signed:_40.eSigned})+")";
 266 }
 267 return "";
 268 });
 269 var _44=_41+_42;
 270 if(_42){
 271 _44="(?:(?:"+_44+")|(?:"+_42+"))";
 272 }
 273 return _44+_43;
 274 };
 275 dojo.number._integerRegexp=function(_45){
 276 _45=_45||{};
 277 if(!("signed" in _45)){
 278 _45.signed=[true,false];
 279 }
 280 if(!("separator" in _45)){
 281 _45.separator="";
 282 }else{
 283 if(!("groupSize" in _45)){
 284 _45.groupSize=3;
 285 }
 286 }
 287 var _46=dojo.regexp.buildGroupRE(_45.signed,function(q){
 288 return q?"[-+]":"";
 289 },true);
 290 var _47=dojo.regexp.buildGroupRE(_45.separator,function(sep){
 291 if(!sep){
 292 return "(?:\\d+)";
 293 }
 294 sep=dojo.regexp.escapeString(sep);
 295 if(sep==" "){
 296 sep="\\s";
 297 }else{
 298 if(sep==" "){
 299 sep="\\s\\xa0";
 300 }
 301 }
 302 var grp=_45.groupSize,_48=_45.groupSize2;
 303 if(_48){
 304 var _49="(?:0|[1-9]\\d{0,"+(_48-1)+"}(?:["+sep+"]\\d{"+_48+"})*["+sep+"]\\d{"+grp+"})";
 305 return ((grp-_48)>0)?"(?:"+_49+"|(?:0|[1-9]\\d{0,"+(grp-1)+"}))":_49;
 306 }
 307 return "(?:0|[1-9]\\d{0,"+(grp-1)+"}(?:["+sep+"]\\d{"+grp+"})*)";
 308 },true);
 309 return _46+_47;
 310 };
 311 }