143 lines
4.6 KiB
Java
143 lines
4.6 KiB
Java
/* ====================================================================
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Licensed to the Apache Software Foundation (ASF) under one or more
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contributor license agreements. See the NOTICE file distributed with
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this work for additional information regarding copyright ownership.
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The ASF licenses this file to You under the Apache License, Version 2.0
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(the "License"); you may not use this file except in compliance with
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the License. You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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==================================================================== */
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package org.apache.poi.hslf.record;
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import java.io.IOException;
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import java.io.OutputStream;
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import java.util.LinkedList;
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import java.util.List;
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import org.apache.poi.hslf.model.textproperties.TextPFException9;
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import org.apache.poi.util.LittleEndian;
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/**
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* The atom record that specifies additional text formatting.
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*/
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public final class StyleTextProp9Atom extends RecordAtom {
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private final TextPFException9[] autoNumberSchemes;
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/** Record header. */
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private byte[] header;
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/** Record data. */
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private byte[] data;
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private short version;
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private short recordId;
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private int length;
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/**
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* Constructs the link related atom record from its
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* source data.
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*
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* @param source the source data as a byte array.
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* @param start the start offset into the byte array.
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* @param len the length of the slice in the byte array.
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*/
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protected StyleTextProp9Atom(byte[] source, int start, int len) {
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// Get the header.
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final List<TextPFException9> schemes = new LinkedList<TextPFException9>();
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header = new byte[8];
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System.arraycopy(source,start, header,0,8);
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this.version = LittleEndian.getShort(header, 0);
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this.recordId = LittleEndian.getShort(header, 2);
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this.length = LittleEndian.getInt(header, 4);
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// Get the record data.
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data = new byte[len-8];
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System.arraycopy(source, start+8, data, 0, len-8);
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for (int i = 0; i < data.length; ) {
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final TextPFException9 item = new TextPFException9(data, i);
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schemes.add(item);
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i += item.getRecordLength();
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if (i >= data.length) {
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break;
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}
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int textCfException9 = LittleEndian.getInt(data, i );
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i += 4;
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//TODO analyze textCfException when have some test data
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if (i >= data.length) {
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break;
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}
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int textSiException = LittleEndian.getInt(data, i );
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i += 4;//TextCFException9 + SIException
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if (0 != (textSiException & 0x40)) {
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i += 2; //skip fBidi
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}
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if (i >= data.length) {
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break;
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}
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}
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this.autoNumberSchemes = (TextPFException9[]) schemes.toArray(new TextPFException9[schemes.size()]);
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}
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/**
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* Gets the record type.
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* @return the record type.
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*/
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public long getRecordType() { return this.recordId; }
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public short getVersion() {
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return version;
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}
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public int getLength() {
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return length;
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}
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public TextPFException9[] getAutoNumberTypes() {
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return this.autoNumberSchemes;
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}
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/**
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* Write the contents of the record back, so it can be written
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* to disk
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*
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* @param out the output stream to write to.
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* @throws java.io.IOException if an error occurs.
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*/
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public void writeOut(OutputStream out) throws IOException {
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out.write(header);
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out.write(data);
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}
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/**
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* Update the text length
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*
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* @param size the text length
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*/
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public void setTextSize(int size){
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LittleEndian.putInt(data, 0, size);
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}
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/**
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* Reset the content to one info run with the default values
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* @param size the site of parent text
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*/
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public void reset(int size){
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data = new byte[10];
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// 01 00 00 00
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LittleEndian.putInt(data, 0, size);
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// 01 00 00 00
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LittleEndian.putInt(data, 4, 1); //mask
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// 00 00
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LittleEndian.putShort(data, 8, (short)0); //langId
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// Update the size (header bytes 5-8)
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LittleEndian.putInt(header, 4, data.length);
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}
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} |