--- /dev/null
+/* ====================================================================
+ * The Apache Software License, Version 1.1
+ *
+ * Copyright (c) 2002 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.hdf.model.hdftypes;
+
+import org.apache.poi.util.LittleEndian;
+
+/**
+ * Represents an FKP data structure. This data structure is used to store the
+ * grpprls of the paragraph and character properties of the document. A grpprl
+ * is a list of sprms(decompression operations) to perform on a parent style.
+ *
+ * @author Ryan Ackley
+ */
+public class FormattedDiskPage
+{
+ byte[] _fkp;
+ int _crun;
+
+ /**
+ * Uses a 512-byte array to create a FKP
+ */
+ public FormattedDiskPage(byte[] fkp)
+ {
+ _crun = LittleEndian.getUnsignedByte(fkp, 511);
+ }
+ /**
+ * Used to get a text offset corresponding to a grpprl in this fkp.
+ * @param index The index of the property in this FKP
+ * @return an int representing an offset in the "WordDocument" stream
+ */
+ public int getStart(int index)
+ {
+ return LittleEndian.getInt(_fkp, (index * 4));
+ }
+ /**
+ * Used to get the end of the text corresponding to a grpprl in this fkp.
+ * @param index The index of the property in this fkp.
+ * @return an int representing an offset in the "WordDocument" stream
+ */
+ public int getEnd(int index)
+ {
+ return LittleEndian.getInt(_fkp, ((index + 1) * 4));
+ }
+ /**
+ * Used to get the total number of grrprl's stored int this FKP
+ * @return The number of grpprls in this FKP
+ */
+ public int getSize()
+ {
+ return _crun;
+ }
+}
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