2023-06-21 12:46:23 -04:00

198 lines
7.9 KiB
C#

using System;
using System.IO;
using System.Collections;
using iTextSharp.text;
using iTextSharp.text.rtf;
using iTextSharp.text.rtf.document;
/*
* $Id: RtfListTable.cs,v 1.6 2008/05/16 19:31:04 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.list {
/**
* The RtfListTable manages all RtfLists in one RtfDocument. It also generates
* the list and list override tables in the document header.
*
* @version $Version:$
* @author Mark Hall (Mark.Hall@mail.room3b.eu)
*/
public class RtfListTable : RtfElement, IRtfExtendedElement {
/**
* Constant for the list number
*/
protected internal static byte[] LIST_NUMBER = DocWriter.GetISOBytes("\\ls");
/**
* Constant for the list table
*/
private static byte[] LIST_TABLE = DocWriter.GetISOBytes("\\*\\listtable");
/**
* Constant for the list
*/
private static byte[] LIST = DocWriter.GetISOBytes("\\list");
/**
* Constant for the list template id
*/
private static byte[] LIST_TEMPLATE_ID = DocWriter.GetISOBytes("\\listtemplateid");
/**
* Constant for the hybrid list
*/
private static byte[] LIST_HYBRID = DocWriter.GetISOBytes("\\listhybrid");
/**
* Constant for the list id
*/
private static byte[] LIST_ID = DocWriter.GetISOBytes("\\listid");
/**
* Constant for the list override table
*/
private static byte[] LIST_OVERRIDE_TABLE = DocWriter.GetISOBytes("\\*\\listoverridetable");
/**
* Constant for the list override
*/
private static byte[] LIST_OVERRIDE = DocWriter.GetISOBytes("\\listoverride");
/**
* Constant for the list override count
*/
private static byte[] LIST_OVERRIDE_COUNT = DocWriter.GetISOBytes("\\listoverridecount");
/**
* The RtfLists managed by this RtfListTable
*/
private ArrayList lists;
/**
* Constructs a RtfListTable for a RtfDocument
*
* @param doc The RtfDocument this RtfListTable belongs to
*/
public RtfListTable(RtfDocument doc) : base(doc) {
this.lists = new ArrayList();
}
/**
* unused
*/
public override void WriteContent(Stream outp) {
}
/**
* Writes the list and list override tables.
*/
public virtual void WriteDefinition(Stream result) {
byte[] t;
int[] listIds = new int[lists.Count];
result.Write(OPEN_GROUP, 0, OPEN_GROUP.Length);
result.Write(LIST_TABLE, 0, LIST_TABLE.Length);
result.WriteByte((byte)'\n');
for (int i = 0; i < lists.Count; i++) {
result.Write(OPEN_GROUP, 0, OPEN_GROUP.Length);
result.Write(LIST, 0, LIST.Length);
result.Write(LIST_TEMPLATE_ID, 0, LIST_TEMPLATE_ID.Length);
result.Write(t = IntToByteArray(document.GetRandomInt()), 0, t.Length);
result.Write(LIST_HYBRID, 0, LIST_HYBRID.Length);
result.WriteByte((byte)'\n');
RtfList rList = (RtfList)lists[i];
rList.WriteDefinition(result);
result.Write(LIST_ID, 0, LIST_ID.Length);
listIds[i] = document.GetRandomInt();
result.Write(t = IntToByteArray(listIds[i]), 0, t.Length);
result.Write(CLOSE_GROUP, 0, CLOSE_GROUP.Length);
result.WriteByte((byte)'\n');
}
result.Write(CLOSE_GROUP, 0, CLOSE_GROUP.Length);
result.WriteByte((byte)'\n');
result.Write(OPEN_GROUP, 0, OPEN_GROUP.Length);
result.Write(LIST_OVERRIDE_TABLE, 0, LIST_OVERRIDE_TABLE.Length);
result.WriteByte((byte)'\n');
for (int i = 0; i < lists.Count; i++) {
result.Write(OPEN_GROUP, 0, OPEN_GROUP.Length);
result.Write(LIST_OVERRIDE, 0, LIST_OVERRIDE.Length);
result.Write(LIST_ID, 0, LIST_ID.Length);
result.Write(t = IntToByteArray(listIds[i]), 0, t.Length);
result.Write(LIST_OVERRIDE_COUNT, 0, LIST_OVERRIDE_COUNT.Length);
result.Write(t = IntToByteArray(0), 0, t.Length);
result.Write(LIST_NUMBER, 0, LIST_NUMBER.Length);
result.Write(t = IntToByteArray(((RtfList) lists[i]).GetListNumber()), 0, t.Length);
result.Write(CLOSE_GROUP, 0, CLOSE_GROUP.Length);
result.WriteByte((byte)'\n');
}
result.Write(CLOSE_GROUP, 0, CLOSE_GROUP.Length);
result.WriteByte((byte)'\n');
}
/**
* Gets the id of the specified RtfList. If the RtfList is not yet in the
* list of RtfLists, then it is added.
*
* @param list The RtfList for which to get the id.
* @return The id of the RtfList.
*/
public int GetListNumber(RtfList list) {
if (lists.Contains(list)) {
return lists.IndexOf(list);
} else {
lists.Add(list);
return lists.Count;
}
}
/**
* Remove a RtfList from the list of RtfLists
*
* @param list The RtfList to remove.
*/
public void FreeListNumber(RtfList list) {
int i = lists.IndexOf(list);
if (i >= 0) {
lists.RemoveAt(i);
}
}
}
}