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   1  /*##############################################################################
   2  #    ____________________________________________________________________
   3  #   /                                                                    \
   4  #  |               ____  __      ___          _____  /     ___    ___     |
   5  #  |     ____       /  \/  \  ' /   \      / /      /__   /   \  /   \    |
   6  #  |    / _  \     /   /   / / /    /  ___/  \__   /     /____/ /    /    |
   7  #  |   / |_  /    /   /   / / /    / /   /      \ /     /      /____/     |
   8  #  |   \____/    /   /    \/_/    /  \__/  _____/ \__/  \___/ /           |
   9  #  |                                                         /            |
  10  #  |                                                                      |
  11  #  |   Copyright (c) 2007                             MindStep SCOP SARL  |
  12  #  |   Herve Masson                                                       |
  13  #  |                                                                      |
  14  #  |      www.mindstep.com                              www.mjslib.com    |
  15  #  |   [email protected]                           [email protected]  |
  16  #   \____________________________________________________________________/
  17  #
  18  #  Version: 1.0.0
  19  #
  20  #  (Svn version: $Id: jquery.printf.js 3434 2007-08-27 09:31:20Z herve $)
  21  #
  22  #----------[This product is distributed under a BSD license]-----------------
  23  ##############################################################################*/
  24  
  25  (function($){$.sprintf=function(fmt)
  26  {return _sprintf_(fmt,arguments,1);}
  27  $.vsprintf=function(args,offset)
  28  {if(offset===undefined)
  29  {offset=0;}
  30  return _sprintf_(args[offset],args,offset+1);}
  31  $.alertf=function()
  32  {return alert($.vsprintf(arguments));}
  33  $.vlogf=function(args)
  34  {if("console"in window)
  35  {console.info($.vsprintf(args));}}
  36  $.verrorf=function(args)
  37  {if("console"in window)
  38  {console.error($.vsprintf(args));}}
  39  $.errorf=function()
  40  {$.verrorf(arguments);}
  41  $.logf=function()
  42  {$.vlogf(arguments);}
  43  FREGEXP=/^([^%]*)%([-+])?(0)?(\d+)?(\.(\d+))?([doxXcsf])(.*)$/;HDIGITS=["0","1","2","3","4","5","6","7","8","9","a","b","c","d","e","f"];function _empty(str)
  44  {if(str===undefined||str===null)
  45  {return true;}
  46  return(str=="")?true:false;}
  47  function _int_(val)
  48  {return Math.floor(val);}
  49  function _printf_num_(val,base,pad,sign,width)
  50  {val=parseInt(val,10);if(isNaN(val))
  51  {return"NaN";}
  52  aval=(val<0)?-val:val;var ret="";if(aval==0)
  53  {ret="0";}
  54  else
  55  {while(aval>0)
  56  {ret=HDIGITS[aval%base]+ret;aval=_int_(aval/base);}}
  57  if(val<0)
  58  {ret="-"+ret;}
  59  if(sign=="-")
  60  {pad=" ";}
  61  return _printf_str_(ret,pad,sign,width,-1);}
  62  function _printf_float_(val,base,pad,sign,prec)
  63  {if(prec==undefined)
  64  {if(parseInt(val)!=val)
  65  {return""+val;}
  66  prec=5;}
  67  var p10=Math.pow(10,prec);var ival=""+Math.round(val*p10);var ilen=ival.length-prec;if(ilen==0)
  68  {return"0."+ival.substr(ilen,prec);}
  69  return ival.substr(0,ilen)+"."+ival.substr(ilen,prec);}
  70  function _printf_str_(val,pad,sign,width,prec)
  71  {var npad;if(val===undefined)
  72  {return"(undefined)";}
  73  if(val===null)
  74  {return"(null)";}
  75  if((npad=width-val.length)>0)
  76  {if(sign=="-")
  77  {while(npad>0)
  78  {val+=pad;npad--;}}
  79  else
  80  {while(npad>0)
  81  {val=pad+val;npad--;}}}
  82  if(prec>0)
  83  {return val.substr(0,prec);}
  84  return val;}
  85  function _sprintf_(fmt,av,index)
  86  {var output="";var i,m,line,match;line=fmt.split("\n");for(i=0;i<line.length;i++)
  87  {if(i>0)
  88  {output+="\n";}
  89  fmt=line[i];while(match=FREGEXP.exec(fmt))
  90  {var sign="";var pad=" ";if(!_empty(match[1]))
  91  {output+=match[1];}
  92  if(!_empty(match[2]))
  93  {sign=match[2];}
  94  if(!_empty(match[3]))
  95  {pad="0";}
  96  var width=match[4];var prec=match[6];var type=match[7];fmt=match[8];if(index>=av.length)
  97  {output+="[missing parameter for type '"+type+"']";continue;}
  98  var val=av[index++];switch(type)
  99  {case"d":output+=_printf_num_(val,10,pad,sign,width);break;case"o":output+=_printf_num_(val,8,pad,sign,width);break;case"x":output+=_printf_num_(val,16,pad,sign,width);break;case"X":output+=_printf_num_(val,16,pad,sign,width).toUpperCase();break;case"c":output+=String.fromCharCode(parseInt(val,10));break;case"s":output+=_printf_str_(val,pad,sign,width,prec);break;case"f":output+=_printf_float_(val,pad,sign,width,prec);break;default:output+="[unknown format '"+type+"']";break;}}
 100  output+=fmt;}
 101  return output;}})(jQuery);