X-Git-Url: http://secure.phpeclipse.com

diff --git a/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/ui/text/PHPCodeReader.java b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/ui/text/PHPCodeReader.java
deleted file mode 100644
index 311aa59..0000000
--- a/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/ui/text/PHPCodeReader.java
+++ /dev/null
@@ -1,246 +0,0 @@
-package net.sourceforge.phpdt.internal.ui.text;
-
-/*
- * (c) Copyright IBM Corp. 2000, 2001.
- * All Rights Reserved.
- */
-
-import java.io.IOException;
-
-import net.sourceforge.phpdt.internal.corext.phpdoc.SingleCharReader;
-
-import org.eclipse.jface.text.BadLocationException;
-import org.eclipse.jface.text.IDocument;
-
-/**
- * Reads from a document either forwards or backwards. May be configured to
- * skip comments and strings.
- */
-public class PHPCodeReader extends SingleCharReader {
-	
-	/** The EOF character */
-	public static final int EOF= -1;
-	
-	private boolean fSkipComments= false;
-	private boolean fSkipStrings= false;
-	private boolean fForward= false;
-	
-	private IDocument fDocument;
-	private int fOffset;
-	
-	private int fEnd= -1;
-	private int fCachedLineNumber= -1;
-	private int fCachedLineOffset= -1;
-	
-	
-	public PHPCodeReader() {
-	}
-	
-	/**
-	 * Returns the offset of the last read character. Should only be called after read has been called.
-	 */
-	public int getOffset() {
-		return fForward ? fOffset -1 : fOffset;
-	}
-	
-	public void configureForwardReader(IDocument document, int offset, int length, boolean skipComments, boolean skipStrings) throws IOException {
-		fDocument= document;
-		fOffset= offset;
-		fSkipComments= skipComments;
-		fSkipStrings= skipStrings;
-		
-		fForward= true;
-		fEnd= Math.min(fDocument.getLength(), fOffset + length);		
-	}
-	
-	public void configureBackwardReader(IDocument document, int offset, boolean skipComments, boolean skipStrings) throws IOException {
-		fDocument= document;
-		fOffset= offset;
-		fSkipComments= skipComments;
-		fSkipStrings= skipStrings;
-		
-		fForward= false;
-		try {
-			fCachedLineNumber= fDocument.getLineOfOffset(fOffset);
-		} catch (BadLocationException x) {
-			throw new IOException(x.getMessage());
-		}
-	}
-	
-	/*
-	 * @see Reader#close()
-	 */
-	public void close() throws IOException {
-		fDocument= null;
-	}
-	
-	/*
-	 * @see SingleCharReader#read()
-	 */
-	public int read() throws IOException {
-		try {
-			return fForward ? readForwards() : readBackwards();
-		} catch (BadLocationException x) {
-			throw new IOException(x.getMessage());
-		}
-	}
-	
-	private void gotoCommentEnd() throws BadLocationException {
-		while (fOffset < fEnd) {
-			char current= fDocument.getChar(fOffset++);
-			if (current == '*') {
-				if (fOffset < fEnd && fDocument.getChar(fOffset) == '/') {
-					++ fOffset;
-					return;
-				}
-			}
-		}
-	}
-	
-	private void gotoStringEnd(char delimiter) throws BadLocationException {
-		while (fOffset < fEnd) {
-			char current= fDocument.getChar(fOffset++);
-			if (current == '\\') {
-				// ignore escaped characters
-				++ fOffset;
-			} else if (current == delimiter) {
-				return;
-			}
-		}
-	}
-	
-	private void gotoLineEnd() throws BadLocationException {
-		int line= fDocument.getLineOfOffset(fOffset);
-		fOffset= fDocument.getLineOffset(line + 1);
-	}
-	
-	private int readForwards() throws BadLocationException {
-		while (fOffset < fEnd) {
-			char current= fDocument.getChar(fOffset++);
-			
-			switch (current) {
-        case '#':
-					
-          if (fSkipComments && fOffset < fEnd) {
-              gotoLineEnd();
-              continue;
-          }
-					
-          return current;
-          
-				case '/':
-					
-					if (fSkipComments && fOffset < fEnd) {
-						char next= fDocument.getChar(fOffset);
-						if (next == '*') {
-							// a comment starts, advance to the comment end
-							++ fOffset;
-							gotoCommentEnd();
-							continue;
-						} else if (next == '/') {
-							// '//'-comment starts, advance to the line end
-							gotoLineEnd();
-							continue;
-						}
-					}
-					
-					return current;
-					
-				case '"':
-				case '\'':
-				
-					if (fSkipStrings) {
-						gotoStringEnd(current);
-						continue;
-					}
-					
-					return current;
-			}
-			
-			return current;
-		}
-		
-		return EOF;
-	}
-	
-	private void handleSingleLineComment() throws BadLocationException {
-		int line= fDocument.getLineOfOffset(fOffset);
-		if (line < fCachedLineNumber) {
-			fCachedLineNumber= line;
-			fCachedLineOffset= fDocument.getLineOffset(line);
-			int offset= fOffset;
-			while (fCachedLineOffset < offset) {
-				char current= fDocument.getChar(offset--);
-				if (current == '/' && fCachedLineOffset <= offset && fDocument.getChar(offset) == '/') {
-					fOffset= offset;
-					return;
-				}
-        if (current == '#' && fCachedLineOffset <= offset) {
-          fOffset= offset;
-          return;
-        }
-			}
-		}
-	}
-	
-	private void gotoCommentStart() throws BadLocationException {
-		while (0 < fOffset) {
-			char current= fDocument.getChar(fOffset--);
-			if (current == '*' && 0 <= fOffset && fDocument.getChar(fOffset) == '/')
-				return;
-		}
-	}
-	
-	private void gotoStringStart(char delimiter) throws BadLocationException {
-		while (0 < fOffset) {
-			char current= fDocument.getChar(fOffset);
-			if (current == delimiter) {
-				if ( !(0 <= fOffset && fDocument.getChar(fOffset -1) == '\\'))
-					return;
-			}
-			-- fOffset;
-		}
-	}
-		
-	private int readBackwards() throws BadLocationException {
-		
-		while (0 < fOffset) {
-			-- fOffset;
-			
-			handleSingleLineComment();
-			
-			char current= fDocument.getChar(fOffset);
-			switch (current) {
-				case '/':
-					
-					if (fSkipComments && fOffset > 1) {
-						char next= fDocument.getChar(fOffset - 1);
-						if (next == '*') {
-							// a comment ends, advance to the comment start
-							fOffset -= 2;
-							gotoCommentStart();
-							continue;
-						}
-					}
-					
-					return current;
-					
-				case '"':
-				case '\'':
-				
-					if (fSkipStrings) {
-						-- fOffset;
-						gotoStringStart(current);
-						continue;
-					}
-					
-					return current;
-			}
-			
-			return current;
-		}
-		
-		return EOF;
-	}
-}
-