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- /* ====================================================================
- Licensed to the Apache Software Foundation (ASF) under one or more
- contributor license agreements. See the NOTICE file distributed with
- this work for additional information regarding copyright ownership.
- The ASF licenses this file to You under the Apache License, Version 2.0
- (the "License"); you may not use this file except in compliance with
- the License. You may obtain a copy of the License at
-
- http://www.apache.org/licenses/LICENSE-2.0
-
- Unless required by applicable law or agreed to in writing, software
- distributed under the License is distributed on an "AS IS" BASIS,
- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- See the License for the specific language governing permissions and
- limitations under the License.
- ==================================================================== */
-
- package org.apache.poi.hwpf.model;
-
- import java.io.IOException;
- import java.nio.charset.Charset;
- import java.util.LinkedList;
- import java.util.List;
-
- import org.apache.poi.hwpf.model.io.HWPFFileSystem;
- import org.apache.poi.hwpf.model.io.HWPFOutputStream;
- import org.apache.poi.hwpf.sprm.SprmBuffer;
- import org.apache.poi.util.Internal;
- import org.apache.poi.util.LittleEndian;
- import org.apache.poi.util.StringUtil;
-
- @Internal
- public class ComplexFileTable {
- private static final byte GRPPRL_TYPE = 1;
- private static final byte TEXT_PIECE_TABLE_TYPE = 2;
-
- protected TextPieceTable _tpt;
-
- private SprmBuffer[] _grpprls;
-
- public ComplexFileTable() {
- _tpt = new TextPieceTable();
- }
-
- protected ComplexFileTable(byte[] documentStream, byte[] tableStream, int offset, int fcMin,
- Charset charset) throws IOException {
- //skips through the prms before we reach the piece table. These contain data
- //for actual fast saved files
- List<SprmBuffer> sprmBuffers = new LinkedList<SprmBuffer>();
- while (tableStream[offset] == GRPPRL_TYPE) {
- offset++;
- int size = LittleEndian.getShort(tableStream, offset);
- offset += LittleEndian.SHORT_SIZE;
- byte[] bs = LittleEndian.getByteArray(tableStream, offset, size);
- offset += size;
-
- SprmBuffer sprmBuffer = new SprmBuffer(bs, false, 0);
- sprmBuffers.add(sprmBuffer);
- }
- this._grpprls = sprmBuffers.toArray(new SprmBuffer[sprmBuffers.size()]);
-
- if (tableStream[offset] != TEXT_PIECE_TABLE_TYPE) {
- throw new IOException("The text piece table is corrupted");
- }
- int pieceTableSize = LittleEndian.getInt(tableStream, ++offset);
- offset += LittleEndian.INT_SIZE;
- _tpt = newTextPieceTable(documentStream, tableStream, offset, pieceTableSize, fcMin, charset);
-
- }
-
- public ComplexFileTable(byte[] documentStream, byte[] tableStream, int offset, int fcMin) throws IOException {
- this(documentStream, tableStream, offset, fcMin, StringUtil.WIN_1252);
- }
-
- public TextPieceTable getTextPieceTable() {
- return _tpt;
- }
-
- public SprmBuffer[] getGrpprls() {
- return _grpprls;
- }
-
- @Deprecated
- public void writeTo(HWPFFileSystem sys) throws IOException {
- HWPFOutputStream docStream = sys.getStream("WordDocument");
- HWPFOutputStream tableStream = sys.getStream("1Table");
-
- writeTo(docStream, tableStream);
- }
-
- public void writeTo(HWPFOutputStream wordDocumentStream,
- HWPFOutputStream tableStream) throws IOException {
- tableStream.write(TEXT_PIECE_TABLE_TYPE);
-
- byte[] table = _tpt.writeTo(wordDocumentStream);
-
- byte[] numHolder = new byte[LittleEndian.INT_SIZE];
- LittleEndian.putInt(numHolder, 0, table.length);
- tableStream.write(numHolder);
- tableStream.write(table);
- }
-
- protected TextPieceTable newTextPieceTable(byte[] documentStream,
- byte[] tableStream, int offset, int pieceTableSize, int fcMin,
- Charset charset) {
- return new TextPieceTable(documentStream, tableStream, offset, pieceTableSize, fcMin);
- }
-
-
- }
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