brought over from old code and converted.

git-svn-id: https://svn.apache.org/repos/asf/jakarta/poi/trunk@353127 13f79535-47bb-0310-9956-ffa450edef68

src/scratchpad/src/org/apache/poi/hwpf/model/hdftypes/StyleDescription.java

@@ -0,0 +1,205 @@
+
+/* ====================================================================
+ * The Apache Software License, Version 1.1
+ *
+ * Copyright (c) 2003 The Apache Software Foundation.  All rights
+ * reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * 3. The end-user documentation included with the redistribution,
+ *    if any, must include the following acknowledgment:
+ *       "This product includes software developed by the
+ *        Apache Software Foundation (http://www.apache.org/)."
+ *    Alternately, this acknowledgment may appear in the software itself,
+ *    if and wherever such third-party acknowledgments normally appear.
+ *
+ * 4. The names "Apache" and "Apache Software Foundation" and
+ *    "Apache POI" must not be used to endorse or promote products
+ *    derived from this software without prior written permission. For
+ *    written permission, please contact apache@apache.org.
+ *
+ * 5. Products derived from this software may not be called "Apache",
+ *    "Apache POI", nor may "Apache" appear in their name, without
+ *    prior written permission of the Apache Software Foundation.
+ *
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ * ====================================================================
+ *
+ * This software consists of voluntary contributions made by many
+ * individuals on behalf of the Apache Software Foundation.  For more
+ * information on the Apache Software Foundation, please see
+ * <http://www.apache.org/>.
+ */
+
+
+package org.apache.poi.hwpf.model.hdftypes;
+
+import java.io.UnsupportedEncodingException;
+
+import org.apache.poi.util.LittleEndian;
+import org.apache.poi.util.BitField;
+/**
+ * Comment me
+ *
+ * @author Ryan Ackley
+ */
+
+public class StyleDescription implements HDFType
+{
+
+  private static int PARAGRAPH_STYLE = 1;
+  private static int CHARACTER_STYLE = 2;
+
+  private short _infoShort;
+    private static BitField _sti = new BitField(0xfff);
+    private static BitField _fScratch = new BitField(0x1000);
+    private static BitField _fInvalHeight = new BitField(0x2000);
+    private static BitField _fHasUpe = new BitField(0x4000);
+    private static BitField _fMassCopy = new BitField(0x8000);
+  private short _infoShort2;
+    private static BitField _styleTypeCode = new BitField(0xf);
+    private static BitField _baseStyle = new BitField(0xfff0);
+    private static BitField _numUPX = new BitField(0xf);
+    private static BitField _nextStyle = new BitField(0xfff0);
+  private short _bchUpe;
+  private short _infoShort3;
+    private static BitField _fAutoRedef = new BitField(0x1);
+    private static BitField _fHidden = new BitField(0x2);
+
+  byte[] _papx;
+  byte[] _chpx;
+  String _name;
+//  ParagraphProperties _pap;
+//  CharacterProperties _chp;
+
+  public StyleDescription()
+  {
+//      _pap = new ParagraphProperties();
+//      _chp = new CharacterProperties();
+  }
+  public StyleDescription(byte[] std, int baseLength, int offset, boolean word9)
+  {
+      int nameStart = offset + baseLength;
+      _infoShort = LittleEndian.getShort(std, offset);
+      offset += LittleEndian.SHORT_SIZE;
+      _infoShort2 = LittleEndian.getShort(std, offset);
+      offset += LittleEndian.SHORT_SIZE;
+      _bchUpe = LittleEndian.getShort(std, offset);
+      offset += LittleEndian.SHORT_SIZE;
+      _infoShort3 = LittleEndian.getShort(std, offset);
+      offset += LittleEndian.SHORT_SIZE;
+
+      //first byte(s) of variable length section of std is the length of the
+      //style name and aliases string
+      int nameLength = 0;
+      int multiplier = 1;
+      if(word9)
+      {
+          nameLength = LittleEndian.getShort(std, nameStart);
+          multiplier = 2;
+          nameStart += LittleEndian.SHORT_SIZE;
+      }
+      else
+      {
+          nameLength = std[nameStart];
+      }
+
+      try
+      {
+        _name = new String(std, nameStart, nameLength * multiplier, "UTF-16LE");
+      }
+      catch (UnsupportedEncodingException ignore)
+      {
+        // ignore
+      }
+
+      //2 bytes for length, length then null terminator.
+      int grupxStart = multiplier + ((nameLength + 1) * multiplier) + nameStart;
+
+      // the spec only refers to two possible upxs but it mentions
+      // that more may be added in the future
+      int add = 0;
+      int numUPX = _numUPX.getValue(_infoShort2);
+      for(int x = 0; x < numUPX; x++)
+      {
+          int upxSize = LittleEndian.getShort(std, grupxStart + add);
+          if(_styleTypeCode.getValue(_infoShort2) == PARAGRAPH_STYLE)
+          {
+              if(x == 0)
+              {
+                  _papx = new byte[upxSize];
+                  System.arraycopy(std, grupxStart + add + 2, _papx, 0, upxSize);
+              }
+              else if(x == 1)
+              {
+                  _chpx = new byte[upxSize];
+                  System.arraycopy(std, grupxStart + add + 2, _chpx, 0, upxSize);
+              }
+          }
+          else if(_styleTypeCode.getValue(_infoShort2) == CHARACTER_STYLE && x == 0)
+          {
+              _chpx = new byte[upxSize];
+              System.arraycopy(std, grupxStart + add + 2, _chpx, 0, upxSize);
+          }
+
+          // the upx will always start on a word boundary.
+          if(upxSize % 2 == 1)
+          {
+              ++upxSize;
+          }
+          add += 2 + upxSize;
+      }
+
+
+  }
+  public int getBaseStyle()
+  {
+      return _baseStyle.getValue(_infoShort2);
+  }
+  public byte[] getCHPX()
+  {
+      return _chpx;
+  }
+  public byte[] getPAPX()
+  {
+      return _papx;
+  }
+//  public ParagraphProperties getPAP()
+//  {
+//      return _pap;
+//  }
+//  public CharacterProperties getCHP()
+//  {
+//      return _chp;
+//  }
+//  public void setPAP(ParagraphProperties pap)
+//  {
+//      _pap = pap;
+//  }
+//  public void setCHP(CharacterProperties chp)
+//  {
+//      _chp = chp;
+//  }
+}