diff options
Diffstat (limited to 'bundles/org.eclipse.wst.sse.core/src/org/eclipse/wst/sse/core/internal/document/DocumentReader.java')
-rw-r--r-- | bundles/org.eclipse.wst.sse.core/src/org/eclipse/wst/sse/core/internal/document/DocumentReader.java | 131 |
1 files changed, 0 insertions, 131 deletions
diff --git a/bundles/org.eclipse.wst.sse.core/src/org/eclipse/wst/sse/core/internal/document/DocumentReader.java b/bundles/org.eclipse.wst.sse.core/src/org/eclipse/wst/sse/core/internal/document/DocumentReader.java deleted file mode 100644 index ae28004885..0000000000 --- a/bundles/org.eclipse.wst.sse.core/src/org/eclipse/wst/sse/core/internal/document/DocumentReader.java +++ /dev/null @@ -1,131 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2001, 2006 IBM Corporation and others. - * All rights reserved. This program and the accompanying materials - * are made available under the terms of the Eclipse Public License v1.0 - * which accompanies this distribution, and is available at - * http://www.eclipse.org/legal/epl-v10.html - * - * Contributors: - * IBM Corporation - initial API and implementation - * Jens Lukowski/Innoopract - initial renaming/restructuring - * - *******************************************************************************/ -package org.eclipse.wst.sse.core.internal.document; - -import java.io.IOException; -import java.io.Reader; - -import org.eclipse.jface.text.IDocument; - -/** - * A java.io.Reader that can operate off of an IDocument. - */ -public class DocumentReader extends Reader { - private IDocument fDocument = null; - private int mark = 0; - private int position = 0; - - public DocumentReader() { - super(); - } - - public DocumentReader(IDocument document) { - this(document, 0); - } - - public DocumentReader(IDocument document, int initialPosition) { - super(); - fDocument = document; - position = initialPosition; - } - - public void close() throws IOException { - fDocument = null; - } - - /** - * @return - */ - public IDocument getDocument() { - return fDocument; - } - - /* - * (non-Javadoc) - * - * @see java.io.Reader#mark(int) - */ - public void mark(int readAheadLimit) throws IOException { - mark = position; - } - - public boolean markSupported() { - return true; - } - - public int read(char[] cbuf, int off, int len) throws IOException { - if(fDocument == null) - return -1; - - char[] readChars = null; - try { - if (position >= fDocument.getLength()) - return -1; - // the IDocument is likely using a GapTextStore, so we can't - // retrieve a char[] directly - if (position + len > fDocument.getLength()) - readChars = fDocument.get(position, fDocument.getLength() - position).toCharArray(); - else - readChars = fDocument.get(position, len).toCharArray(); - System.arraycopy(readChars, 0, cbuf, off, readChars.length); - // System.out.println("" + position + ":" + readChars.length + " " - // + StringUtils.escape(new String(readChars))); - position += readChars.length; - return readChars.length; - } catch (Exception e) { - throw new IOException("Exception while reading from IDocument: " + e); //$NON-NLS-1$ - } - } - - /* - * (non-Javadoc) - * - * @see java.io.Reader#reset() - */ - public void reset() throws IOException { - position = mark; - } - - public void reset(IDocument document, int initialPosition) { - fDocument = document; - position = initialPosition; - } - - /* - * (non-Javadoc) - * - * @see java.io.Reader#reset() - */ - public void reset(int pos) throws IOException { - position = pos; - } - - /* - * (non-Javadoc) - * - * @see java.io.Reader#skip(long) - */ - public long skip(long n) throws IOException { - if(fDocument == null) - return 0; - - long skipped = n; - if (position + n > fDocument.getLength()) { - skipped = fDocument.getLength() - position; - position = fDocument.getLength(); - } else { - position += n; - } - return skipped; - } -} |