string_utilities.js

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if( !ultimix )
{
      ultimix = {};
}

if( !ultimix.string_utilities )
{
      ultimix.string_utilities = {};
}

ultimix.string_utilities.str_replace = function( Search , Replace , Subject )
{
      return( Subject.split( Search ).join( Replace ) );
}

ultimix.string_utilities.print_record = function( Format , Record )
{
      for( i in Record )
      {
            Format = ultimix.string_utilities.str_replace( '[' + i + ']' , Record[ i ] , Format );
      }
      
      return( Format );
}

ultimix.string_utilities.trail_data = function( Data , EncodedData )
{
      switch( Data.length % 3 )
      {
        case( 1 ):
            EncodedData = EncodedData.slice( 0 , -2 ) + '==';
        break;
        case( 2 ):
            EncodedData = EncodedData.slice( 0 , -1 ) + '=';
        break;
    }
 
    return( EncodedData );
}

ultimix.string_utilities.base64_encode = function( Data )
{   
    var           b64 = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
    var           o1 , o2 , o3 , h1 , h2 , h3 , h4 , bits , i = 0 , EncodedData = '';
    do
      { 
        o1 = Data.charCodeAt( i++ );
        o2 = Data.charCodeAt( i++ );
        o3 = Data.charCodeAt( i++ );
        bits = o1 << 16 | o2 << 8 | o3;
        h1 = bits >> 18 & 0x3f;
        h2 = bits >> 12 & 0x3f;
        h3 = bits >> 6 & 0x3f;
        h4 = bits & 0x3f;
        EncodedData += b64.charAt( h1 ) + b64.charAt( h2 ) + b64.charAt( h3 ) + b64.charAt( h4 );
    }
      while ( i < Data.length );
 
    return( ultimix.string_utilities.trail_data( Data , EncodedData ) );
}

ultimix.string_utilities.decoded_char = function( o1 , o2 , o3 , h3 , h4 )
{
      if( h3 == 64 )
      {
            return( String.fromCharCode( o1 ) );
      }
      else if ( h4 == 64 )
      {
            return( String.fromCharCode( o1 , o2 ) );
      }
      else
      {
            return( String.fromCharCode( o1 , o2 , o3 ) );
      }
}

ultimix.string_utilities.base64_decode = function( Data )
{
      var   b64 = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
      var   o1 , o2 , o3 , h1 , h2 , h3 , h4 , bits , i = 0 , DecodedData = '';
      do
      {
            h1 = b64.indexOf( Data.charAt( i++ ) );
            h2 = b64.indexOf( Data.charAt( i++ ) );
            h3 = b64.indexOf( Data.charAt( i++ ) );
            h4 = b64.indexOf( Data.charAt( i++ ) );
            bits = h1<<18 | h2<<12 | h3<<6 | h4;
            o1 = bits>>16 & 0xff;
            o2 = bits>>8 & 0xff;
            o3 = bits & 0xff;

            DecodedData += ultimix.string_utilities.decoded_char( o1 , o2 , o3 , h3 , h4 );
      }
      while( i < Data.length );

      return( DecodedData );
}

ultimix.string_utilities.valign_block = function( Content )
{
      return( "<div class=\"valign_child\">" + Content + "</div><div class=\"valign_helper\"></div>" );
}

ultimix.string_utilities.halign_block = function( Content , Width )
{
      return( 
            "<div class=\"margin_0_auto\" style=\"display: block; width: " + 
            Width + "px; height: 100%;\">" + Content + "</div>"
      );
}

ultimix.string_utilities.trim = function( Str , Charlist )
{
      Charlist = !Charlist ? ' \s\xA0' : Charlist.replace( /([\[\]\(\)\.\?\/\*\{\}\+\$\^\:])/g , '\$1' );

      var         re = new RegExp( '^[' + Charlist + ']+|[' + Charlist + ']+$' , 'g' );

      return( Str.replace( re , '' ) );
}