X-Git-Url: http://secure.phpeclipse.com diff --git a/net.sourceforge.phpeclipse.ui/src/net/sourceforge/phpdt/internal/ui/text/JavaWordFinder.java b/net.sourceforge.phpeclipse.ui/src/net/sourceforge/phpdt/internal/ui/text/JavaWordFinder.java new file mode 100644 index 0000000..37944fb --- /dev/null +++ b/net.sourceforge.phpeclipse.ui/src/net/sourceforge/phpdt/internal/ui/text/JavaWordFinder.java @@ -0,0 +1,72 @@ +/******************************************************************************* + * Copyright (c) 2000, 2003 IBM Corporation and others. + * All rights reserved. This program and the accompanying materials + * are made available under the terms of the Common Public License v1.0 + * which accompanies this distribution, and is available at + * http://www.eclipse.org/legal/cpl-v10.html + * + * Contributors: + * IBM Corporation - initial API and implementation + *******************************************************************************/ +package net.sourceforge.phpdt.internal.ui.text; + +import net.sourceforge.phpdt.internal.compiler.parser.Scanner; + +import org.eclipse.jface.text.BadLocationException; +import org.eclipse.jface.text.IDocument; +import org.eclipse.jface.text.IRegion; +import org.eclipse.jface.text.Region; + +public class JavaWordFinder { + + public static IRegion findWord(IDocument document, int offset) { + + int start = -1; + int end = -1; + + try { + + int pos = offset; + char c = ' '; + + while (pos >= 0) { + c = document.getChar(pos); + if (c == '$') { + --pos; + break; + } + if (!Scanner.isPHPIdentifierPart(c)) + break; + + --pos; + } + + start = pos; + + pos = offset; + int length = document.getLength(); + + while (pos < length) { + c = document.getChar(pos); + if (!Scanner.isPHPIdentifierPart(c)) + break; + ++pos; + } + + end = pos; + + } catch (BadLocationException x) { + } + + if (start > -1 && end > -1) { + if (start == offset && end == offset) + return new Region(offset, 0); + else if (start == offset) + return new Region(start, end - start); + else + return new Region(start + 1, end - start - 1); + } + + return null; + } +}