| /* ==================================================================== |
| 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.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.List; |
| |
| import org.apache.logging.log4j.LogManager; |
| import org.apache.logging.log4j.Logger; |
| import org.apache.poi.util.Internal; |
| import org.apache.poi.util.LittleEndian; |
| import org.apache.poi.util.LittleEndianConsts; |
| |
| /** |
| * Font table for Word 6.0 |
| */ |
| @Internal |
| public final class OldFontTable { |
| private static final Logger LOG = LogManager.getLogger(OldFontTable.class); |
| |
| // added extra facilitator members |
| // FFN structure containing strings of font names |
| private final OldFfn[] _fontNames; |
| |
| public OldFontTable(byte[] buf, int offset, int length) { |
| //length is stored at the index section in the table |
| //and it is recorded in the first short. |
| |
| |
| List<OldFfn> ffns = new ArrayList<>(); |
| int fontTableLength = LittleEndian.getShort(buf, offset); |
| |
| int endOfTableOffset = offset + length; |
| int startOffset = offset + LittleEndianConsts.SHORT_SIZE;//first short should == length! |
| |
| while (true) { |
| OldFfn oldFfn = OldFfn.build(buf, startOffset, endOfTableOffset); |
| if (oldFfn == null) { |
| break; |
| } |
| ffns.add(oldFfn); |
| startOffset += oldFfn.getLength(); |
| |
| } |
| _fontNames = ffns.toArray(new OldFfn[0]); |
| } |
| |
| |
| public OldFfn[] getFontNames() { |
| return _fontNames; |
| } |
| |
| |
| public String getMainFont(int chpFtc) { |
| if (chpFtc >= _fontNames.length) { |
| LOG.atInfo().log("Mismatch in chpFtc with stringCount"); |
| return null; |
| } |
| |
| return _fontNames[chpFtc].getMainFontName(); |
| } |
| |
| @Override |
| public String toString() { |
| return "OldFontTable{" + |
| "_fontNames=" + Arrays.toString(_fontNames) + |
| '}'; |
| } |
| } |