Initial dev repository

[kcls-web.git] / opac / common / js / sprintf.js

diff --git a/opac/common/js/sprintf.js b/opac/common/js/sprintf.js
new file mode 100644 (file)
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--- /dev/null
+++ b/opac/common/js/sprintf.js
@@ -0,0 +1,141 @@
+/* Copyright (c) 2005 Scott S. McCoy
+ * This was originally a non-object oriented interface
+
+/* Function printf(format_string,arguments...)
+ * Javascript emulation of the C printf function (modifiers and argument types 
+ *    "p" and "n" are not supported due to language restrictions)
+ *
+ * Copyright 2003 K&L Productions. All rights reserved
+ * http://www.klproductions.com 
+ *
+ * Terms of use: This function can be used free of charge IF this header is not
+ *               modified and remains with the function code.
+ * 
+ * Legal: Use this code at your own risk. K&L Productions assumes NO resposibility
+ *        for anything.
+ ********************************************************************************/
+
+String.prototype.sprintf = function () {
+  var fstring = this.toString();
+
+  var pad = function(str,ch,len) { var ps='';
+      for(var i=0; i<Math.abs(len); i++) ps+=ch;
+      return len>0?str+ps:ps+str;
+  }
+  var processFlags = function(flags,width,rs,arg) { 
+      var pn = function(flags,arg,rs) {
+          if(arg>=0) { 
+              if(flags.indexOf(' ')>=0) rs = ' ' + rs;
+              else if(flags.indexOf('+')>=0) rs = '+' + rs;
+          }
+          else
+              rs = '-' + rs;
+          return rs;
+      }
+      var iWidth = parseInt(width,10);
+      if(width.charAt(0) == '0') {
+          var ec=0;
+          if(flags.indexOf(' ')>=0 || flags.indexOf('+')>=0) ec++;
+          if(rs.length<(iWidth-ec)) rs = pad(rs,'0',rs.length-(iWidth-ec));
+          return pn(flags,arg,rs);
+      }
+      rs = pn(flags,arg,rs);
+      if(rs.length<iWidth) {
+          if(flags.indexOf('-')<0) rs = pad(rs,' ',rs.length-iWidth);
+          else rs = pad(rs,' ',iWidth - rs.length);
+      }    
+      return rs;
+  }
+  var converters = new Array();
+  converters['c'] = function(flags,width,precision,arg) { 
+      if (typeof(arg) == 'number') return String.fromCharCode(arg);
+      if (typeof(arg) == 'string') return arg.charAt(0);
+      return '';
+  }
+  converters['d'] = function(flags,width,precision,arg) { 
+      return converters['i'](flags,width,precision,arg); 
+  }
+  converters['u'] = function(flags,width,precision,arg) { 
+      return converters['i'](flags,width,precision,Math.abs(arg)); 
+  }
+  converters['i'] =  function(flags,width,precision,arg) {
+      var iPrecision=parseInt(precision);
+      var rs = ((Math.abs(arg)).toString().split('.'))[0];
+      if(rs.length<iPrecision) rs=pad(rs,' ',iPrecision - rs.length);
+      return processFlags(flags,width,rs,arg); 
+  }
+  converters['E'] = function(flags,width,precision,arg) {
+      return (converters['e'](flags,width,precision,arg)).toUpperCase();
+  }
+  converters['e'] = function(flags,width,precision,arg) {
+      iPrecision = parseInt(precision);
+      if(isNaN(iPrecision)) iPrecision = 6;
+      rs = (Math.abs(arg)).toExponential(iPrecision);
+      if(rs.indexOf('.')<0 && flags.indexOf('#')>=0) rs = rs.replace(/^(.*)(e.*)$/,'$1.$2');
+      return processFlags(flags,width,rs,arg);        
+  }
+  converters['f'] = function(flags,width,precision,arg) { 
+      iPrecision = parseInt(precision);
+      if(isNaN(iPrecision)) iPrecision = 6;
+      rs = (Math.abs(arg)).toFixed(iPrecision);
+      if(rs.indexOf('.')<0 && flags.indexOf('#')>=0) rs = rs + '.';
+      return processFlags(flags,width,rs,arg);
+  }
+  converters['G'] = function(flags,width,precision,arg) { 
+      return (converters['g'](flags,width,precision,arg)).toUpperCase();
+  }
+  converters['g'] = function(flags,width,precision,arg) {
+      iPrecision = parseInt(precision);
+      absArg = Math.abs(arg);
+      rse = absArg.toExponential();
+      rsf = absArg.toFixed(6);
+      if(!isNaN(iPrecision)) { 
+          rsep = absArg.toExponential(iPrecision);
+          rse = rsep.length < rse.length ? rsep : rse;
+          rsfp = absArg.toFixed(iPrecision);
+          rsf = rsfp.length < rsf.length ? rsfp : rsf;
+      }
+      if(rse.indexOf('.')<0 && flags.indexOf('#')>=0) rse = rse.replace(/^(.*)(e.*)$/,'$1.$2');
+      if(rsf.indexOf('.')<0 && flags.indexOf('#')>=0) rsf = rsf + '.';
+      rs = rse.length<rsf.length ? rse : rsf;
+      return processFlags(flags,width,rs,arg);        
+  }  
+  converters['o'] = function(flags,width,precision,arg) { 
+      var iPrecision=parseInt(precision);
+      var rs = Math.round(Math.abs(arg)).toString(8);
+      if(rs.length<iPrecision) rs=pad(rs,' ',iPrecision - rs.length);
+      if(flags.indexOf('#')>=0) rs='0'+rs;
+      return processFlags(flags,width,rs,arg); 
+  }
+  converters['X'] = function(flags,width,precision,arg) { 
+      return (converters['x'](flags,width,precision,arg)).toUpperCase();
+  }
+  converters['x'] = function(flags,width,precision,arg) { 
+      var iPrecision=parseInt(precision);
+      arg = Math.abs(arg);
+      var rs = Math.round(arg).toString(16);
+      if(rs.length<iPrecision) rs=pad(rs,' ',iPrecision - rs.length);
+      if(flags.indexOf('#')>=0) rs='0x'+rs;
+      return processFlags(flags,width,rs,arg); 
+  }
+  converters['s'] = function(flags,width,precision,arg) { 
+      var iPrecision=parseInt(precision);
+      var rs = arg;
+      if(rs.length > iPrecision) rs = rs.substring(0,iPrecision);
+      return processFlags(flags,width,rs,0);
+  }
+
+  farr = fstring.split('%');
+  retstr = farr[0];
+  fpRE = /^([-+ #]*)(\d*)\.?(\d*)([cdieEfFgGosuxX])(.*)$/;
+  for(var i = 1; i<farr.length; i++) { 
+      fps=fpRE.exec(farr[i]);
+      if(!fps) continue;
+      if(arguments[i-1]!=null) {
+          retstr+=converters[fps[4]](fps[1],fps[2],fps[3],arguments[i-1]);
+      }
+      retstr += fps[5];
+  }
+  return retstr;
+}
+