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// ========================================================================== // Fuctions to mimic LTrim, RTrim, and Trim...
// Author Aurélien Tisné (CS) // Date 03 avr. 2003 23:11:39 // Last Update $Date$ // Version $Revision$ // ==========================================================================
// -------------------------------------------------------------------------- // Remove leading blanks from our string.
// I str - the string we want to LTrim // Return the input string without any leading whitespace
// Date 03 avr. 2003 23:12:13 // Author Aurélien Tisné (CS) // -------------------------------------------------------------------------- function LTrim(str) { var whitespace = new String(" \t\n\r");
var s = new String(str);
if (whitespace.indexOf(s.charAt(0)) != -1) { // We have a string with leading blank(s)...
var j=0, i = s.length;
// Iterate from the far left of string until we // don't have any more whitespace... while (j < i && whitespace.indexOf(s.charAt(j)) != -1) j++;
// Get the substring from the first non-whitespace // character to the end of the string... s = s.substring(j, i); }
return s; }
// -------------------------------------------------------------------------- // Remove trailing blanks from our string.
// I str - the string we want to RTrim // Return the input string without any trailing whitespace
// Date 03 avr. 2003 23:13:50 // Author Aurélien Tisné (CS) // -------------------------------------------------------------------------- function RTrim(str) { // We don't want to trip JUST spaces, but also tabs, // line feeds, etc. Add anything else you want to // "trim" here in Whitespace var whitespace = new String(" \t\n\r");
var s = new String(str);
if (whitespace.indexOf(s.charAt(s.length-1)) != -1) { // We have a string with trailing blank(s)...
var i = s.length - 1; // Get length of string
// Iterate from the far right of string until we // don't have any more whitespace... while (i >= 0 && whitespace.indexOf(s.charAt(i)) != -1) i--;
// Get the substring from the front of the string to // where the last non-whitespace character is... s = s.substring(0, i+1); }
return s; }
// -------------------------------------------------------------------------- // Remove trailing and leading blanks from our string.
// I str - the string we want to Trim // Return the trimmed input string
// Date 03 avr. 2003 23:15:09 // Author Aurélien Tisné (CS) // -------------------------------------------------------------------------- function Trim(str) { return RTrim(LTrim(str)); }
// EOF
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