[Rubyeclipse-commit] org.rubypeople.rdt.core/src/org/rubypeople/rdt/internal/core/util CharOperation.java,1.4,1.5

[Christopher W. <caw...@us...>]

Update of /cvsroot/rubyeclipse/org.rubypeople.rdt.core/src/org/rubypeople/rdt/internal/core/util
In directory sc8-pr-cvs9.sourceforge.net:/tmp/cvs-serv24172/src/org/rubypeople/rdt/internal/core/util

Modified Files:
	CharOperation.java 
Log Message:
Add support for a Ruby "Lint" like AST visitor which will create semantic analysis and warnings ala JDT

Index: CharOperation.java
===================================================================
RCS file: /cvsroot/rubyeclipse/org.rubypeople.rdt.core/src/org/rubypeople/rdt/internal/core/util/CharOperation.java,v
retrieving revision 1.4
retrieving revision 1.5
diff -C2 -d -r1.4 -r1.5
*** CharOperation.java	25 Mar 2006 02:27:35 -0000	1.4
--- CharOperation.java	17 May 2006 02:41:08 -0000	1.5
***************
*** 8,11 ****
--- 8,16 ----
   */
  public class CharOperation {
+ 	
+ 	/**
+ 	 * Constant for an empty char array
+ 	 */
+ 	public static final char[] NO_CHAR = new char[0];
  
  	/**
***************
*** 880,882 ****
--- 885,943 ----
  		return hash & 0x7FFFFFFF;
  	}
+ 	
+ 	/**
+ 	 * Answers the concatenation of the given array parts using the given separator between each part.
+ 	 * <br>
+ 	 * <br>
+ 	 * For example:<br>
+ 	 * <ol>
+ 	 * <li><pre>
+ 	 *    array = { { 'a' }, { 'b' } }
+ 	 *    separator = '.'
+ 	 *    => result = { 'a', '.', 'b' }
+ 	 * </pre>
+ 	 * </li>
+ 	 * <li><pre>
+ 	 *    array = null
+ 	 *    separator = '.'
+ 	 *    => result = { }
+ 	 * </pre></li>
+ 	 * </ol>
+ 	 * 
+ 	 * @param array the given array
+ 	 * @param separator the given separator
+ 	 * @return the concatenation of the given array parts using the given separator between each part
+ 	 */
+ 	public static final char[] concatWith(char[][] array, char separator) {
+ 		int length = array == null ? 0 : array.length;
+ 		if (length == 0)
+ 			return CharOperation.NO_CHAR;
+ 
+ 		int size = length - 1;
+ 		int index = length;
+ 		while (--index >= 0) {
+ 			if (array[index].length == 0)
+ 				size--;
+ 			else
+ 				size += array[index].length;
+ 		}
+ 		if (size <= 0)
+ 			return CharOperation.NO_CHAR;
+ 		char[] result = new char[size];
+ 		index = length;
+ 		while (--index >= 0) {
+ 			length = array[index].length;
+ 			if (length > 0) {
+ 				System.arraycopy(
+ 					array[index],
+ 					0,
+ 					result,
+ 					(size -= length),
+ 					length);
+ 				if (--size >= 0)
+ 					result[size] = separator;
+ 			}
+ 		}
+ 		return result;
+ 	}
  }