Method trim

plugins/astyle/3rdparty/libastyle/ASBeautifier.cpp:1469–1486

* trim removes the white space surrounding a line. * * @return the trimmed line. * @param str the line to trim. */

 * @param str       the line to trim.
 */
string ASBeautifier::trim(const string& str) const
{
	int start = 0;
	int end = str.length() - 1;

	while (start < end && isWhiteSpace(str[start]))
		start++;

	while (start <= end && isWhiteSpace(str[end]))
		end--;

	// don't trim if it ends in a continuation
	if (end > -1 && str[end] == '\\')
		end = str.length() - 1;

	string returnStr(str, start, end + 1 - start);
	return returnStr;
}

/**
 * rtrim removes the white space from the end of a line.