Initial Commit

iTechSharp/iTextSharp/text/rtf/RtfElement.cs

@@ -0,0 +1,159 @@
+using System;
+using System.IO;
+using iTextSharp.text.rtf.document;
+using iTextSharp.text;
+/*
+ * $Id: RtfElement.cs,v 1.5 2008/05/16 19:30:14 psoares33 Exp $
+ * 
+ *
+ * Copyright 2001, 2002, 2003, 2004 by Mark Hall
+ *
+ * The contents of this file are subject to the Mozilla Public License Version 1.1
+ * (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.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the License.
+ *
+ * The Original Code is 'iText, a free JAVA-PDF library'.
+ *
+ * The Initial Developer of the Original Code is Bruno Lowagie. Portions created by
+ * the Initial Developer are Copyright (C) 1999, 2000, 2001, 2002 by Bruno Lowagie.
+ * All Rights Reserved.
+ * Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer
+ * are Copyright (C) 2000, 2001, 2002 by Paulo Soares. All Rights Reserved.
+ *
+ * Contributor(s): all the names of the contributors are added in the source code
+ * where applicable.
+ *
+ * Alternatively, the contents of this file may be used under the terms of the
+ * LGPL license (the ?GNU LIBRARY GENERAL PUBLIC LICENSE?), in which case the
+ * provisions of LGPL are applicable instead of those above.  If you wish to
+ * allow use of your version of this file only under the terms of the LGPL
+ * License and not to allow others to use your version of this file under
+ * the MPL, indicate your decision by deleting the provisions above and
+ * replace them with the notice and other provisions required by the LGPL.
+ * If you do not delete the provisions above, a recipient may use your version
+ * of this file under either the MPL or the GNU LIBRARY GENERAL PUBLIC LICENSE.
+ *
+ * This library is free software; you can redistribute it and/or modify it
+ * under the terms of the MPL as stated above or under the terms of the GNU
+ * Library General Public License as published by the Free Software Foundation;
+ * either version 2 of the License, or any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE. See the GNU Library general Public License for more
+ * details.
+ *
+ * If you didn't download this code from the following link, you should check if
+ * you aren't using an obsolete version:
+ * http://www.lowagie.com/iText/
+ */
+
+namespace iTextSharp.text.rtf {
+
+    /**
+    * RtfElement is the base class for all RTF Element classes
+    *
+    * Version: $Id: RtfElement.cs,v 1.5 2008/05/16 19:30:14 psoares33 Exp $
+    * @author Mark Hall (Mark.Hall@mail.room3b.eu)
+    */
+    public abstract class RtfElement : IRtfBasicElement {
+        /**
+        * Constant for the beginning of a rtf group
+        */
+        public static byte[] OPEN_GROUP = {(byte)'{'};
+        /**
+        * Constant for the end of an rtf group
+        */
+        public static byte[] CLOSE_GROUP = {(byte)'}'};
+        /**
+        * Constant for a delimiter in rtf
+        */
+        public static byte[] DELIMITER = {(byte)' '};
+        /**
+        * Constant for a comma delimiter in rtf
+        */
+        public static byte[] COMMA_DELIMITER = {(byte)';'};
+        /**
+        * The factor to use for translating from iText to rtf measurments
+        */
+        public const double TWIPS_FACTOR = 20;
+
+        /**
+        * The RtfDocument this RtfElement belongs to
+        */
+        protected RtfDocument document = null;
+        /**
+        * Whether this RtfElement is in a table
+        */
+        protected bool inTable = false;
+        /**
+        * Whether this RtfElement is in a header
+        */
+        protected bool inHeader = false;
+        
+        /**
+        * Constructs a RtfElement belonging to the specified RtfDocument.
+        * 
+        * @param doc The RtfDocument this RtfElement belongs to
+        */
+        public RtfElement(RtfDocument doc) : base(){
+            this.document = doc;
+        }
+
+        /**
+        * Transforms an integer into its String representation and then returns the bytes
+        * of that string.
+        *
+        * @param i The integer to convert
+        * @return A byte array representing the integer
+        */
+        public byte[] IntToByteArray(int i) {
+            return DocWriter.GetISOBytes(i.ToString());
+        }
+
+        /**
+        * Writes the element content to the given output stream.
+        */    
+        public abstract void WriteContent(Stream outp);
+        
+        /**
+        * Sets the RtfDocument this RtfElement belongs to
+        * 
+        * @param doc The RtfDocument to use
+        */
+        public virtual void SetRtfDocument(RtfDocument doc) {
+            this.document = doc;
+        }
+        
+        /**
+        * Gets whether this RtfElement is in a table
+        * 
+        * @return Whether this RtfElement is in a table
+        */
+        public virtual bool IsInTable() {
+            return inTable;
+        }
+        
+        /**
+        * Sets whether this RtfElement is in a table
+        * 
+        * @param inTable <code>True</code> if this RtfElement is in a table, <code>false</code> otherwise
+        */
+        public virtual void SetInTable(bool inTable) {
+            this.inTable = inTable;
+        }
+        
+        /**
+        * Sets whether this RtfElement is in a header
+        * 
+        * @param inHeader <code>True</code> if this RtfElement is in a header, <code>false</code> otherwise
+        */
+        public virtual void SetInHeader(bool inHeader) {
+            this.inHeader = inHeader;
+        }
+    }
+}