198 lines
7.9 KiB
C#
198 lines
7.9 KiB
C#
using System;
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using System.IO;
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using System.Collections;
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using iTextSharp.text;
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using iTextSharp.text.rtf;
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using iTextSharp.text.rtf.document;
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/*
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* $Id: RtfListTable.cs,v 1.6 2008/05/16 19:31:04 psoares33 Exp $
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*
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*
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* Copyright 2001, 2002, 2003, 2004 by Mark Hall
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*
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* The contents of this file are subject to the Mozilla Public License Version 1.1
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* (the "License"); you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the License.
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*
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* The Original Code is 'iText, a free JAVA-PDF library'.
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*
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* The Initial Developer of the Original Code is Bruno Lowagie. Portions created by
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* the Initial Developer are Copyright (C) 1999, 2000, 2001, 2002 by Bruno Lowagie.
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* All Rights Reserved.
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* Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer
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* are Copyright (C) 2000, 2001, 2002 by Paulo Soares. All Rights Reserved.
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*
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* Contributor(s): all the names of the contributors are added in the source code
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* where applicable.
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*
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* Alternatively, the contents of this file may be used under the terms of the
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* LGPL license (the ?GNU LIBRARY GENERAL PUBLIC LICENSE?), in which case the
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* provisions of LGPL are applicable instead of those above. If you wish to
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* allow use of your version of this file only under the terms of the LGPL
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* License and not to allow others to use your version of this file under
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* the MPL, indicate your decision by deleting the provisions above and
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* replace them with the notice and other provisions required by the LGPL.
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* If you do not delete the provisions above, a recipient may use your version
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* of this file under either the MPL or the GNU LIBRARY GENERAL PUBLIC LICENSE.
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*
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* This library is free software; you can redistribute it and/or modify it
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* under the terms of the MPL as stated above or under the terms of the GNU
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* Library General Public License as published by the Free Software Foundation;
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* either version 2 of the License, or any later version.
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*
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* This library is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU Library general Public License for more
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* details.
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*
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* If you didn't download this code from the following link, you should check if
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* you aren't using an obsolete version:
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* http://www.lowagie.com/iText/
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*/
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namespace iTextSharp.text.rtf.list {
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/**
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* The RtfListTable manages all RtfLists in one RtfDocument. It also generates
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* the list and list override tables in the document header.
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*
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* @version $Version:$
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* @author Mark Hall (Mark.Hall@mail.room3b.eu)
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*/
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public class RtfListTable : RtfElement, IRtfExtendedElement {
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/**
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* Constant for the list number
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*/
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protected internal static byte[] LIST_NUMBER = DocWriter.GetISOBytes("\\ls");
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/**
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* Constant for the list table
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*/
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private static byte[] LIST_TABLE = DocWriter.GetISOBytes("\\*\\listtable");
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/**
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* Constant for the list
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*/
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private static byte[] LIST = DocWriter.GetISOBytes("\\list");
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/**
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* Constant for the list template id
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*/
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private static byte[] LIST_TEMPLATE_ID = DocWriter.GetISOBytes("\\listtemplateid");
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/**
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* Constant for the hybrid list
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*/
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private static byte[] LIST_HYBRID = DocWriter.GetISOBytes("\\listhybrid");
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/**
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* Constant for the list id
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*/
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private static byte[] LIST_ID = DocWriter.GetISOBytes("\\listid");
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/**
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* Constant for the list override table
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*/
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private static byte[] LIST_OVERRIDE_TABLE = DocWriter.GetISOBytes("\\*\\listoverridetable");
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/**
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* Constant for the list override
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*/
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private static byte[] LIST_OVERRIDE = DocWriter.GetISOBytes("\\listoverride");
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/**
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* Constant for the list override count
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*/
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private static byte[] LIST_OVERRIDE_COUNT = DocWriter.GetISOBytes("\\listoverridecount");
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/**
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* The RtfLists managed by this RtfListTable
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*/
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private ArrayList lists;
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/**
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* Constructs a RtfListTable for a RtfDocument
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*
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* @param doc The RtfDocument this RtfListTable belongs to
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*/
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public RtfListTable(RtfDocument doc) : base(doc) {
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this.lists = new ArrayList();
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}
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/**
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* unused
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*/
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public override void WriteContent(Stream outp) {
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}
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/**
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* Writes the list and list override tables.
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*/
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public virtual void WriteDefinition(Stream result) {
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byte[] t;
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int[] listIds = new int[lists.Count];
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result.Write(OPEN_GROUP, 0, OPEN_GROUP.Length);
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result.Write(LIST_TABLE, 0, LIST_TABLE.Length);
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result.WriteByte((byte)'\n');
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for (int i = 0; i < lists.Count; i++) {
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result.Write(OPEN_GROUP, 0, OPEN_GROUP.Length);
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result.Write(LIST, 0, LIST.Length);
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result.Write(LIST_TEMPLATE_ID, 0, LIST_TEMPLATE_ID.Length);
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result.Write(t = IntToByteArray(document.GetRandomInt()), 0, t.Length);
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result.Write(LIST_HYBRID, 0, LIST_HYBRID.Length);
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result.WriteByte((byte)'\n');
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RtfList rList = (RtfList)lists[i];
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rList.WriteDefinition(result);
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result.Write(LIST_ID, 0, LIST_ID.Length);
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listIds[i] = document.GetRandomInt();
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result.Write(t = IntToByteArray(listIds[i]), 0, t.Length);
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result.Write(CLOSE_GROUP, 0, CLOSE_GROUP.Length);
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result.WriteByte((byte)'\n');
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}
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result.Write(CLOSE_GROUP, 0, CLOSE_GROUP.Length);
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result.WriteByte((byte)'\n');
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result.Write(OPEN_GROUP, 0, OPEN_GROUP.Length);
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result.Write(LIST_OVERRIDE_TABLE, 0, LIST_OVERRIDE_TABLE.Length);
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result.WriteByte((byte)'\n');
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for (int i = 0; i < lists.Count; i++) {
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result.Write(OPEN_GROUP, 0, OPEN_GROUP.Length);
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result.Write(LIST_OVERRIDE, 0, LIST_OVERRIDE.Length);
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result.Write(LIST_ID, 0, LIST_ID.Length);
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result.Write(t = IntToByteArray(listIds[i]), 0, t.Length);
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result.Write(LIST_OVERRIDE_COUNT, 0, LIST_OVERRIDE_COUNT.Length);
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result.Write(t = IntToByteArray(0), 0, t.Length);
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result.Write(LIST_NUMBER, 0, LIST_NUMBER.Length);
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result.Write(t = IntToByteArray(((RtfList) lists[i]).GetListNumber()), 0, t.Length);
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result.Write(CLOSE_GROUP, 0, CLOSE_GROUP.Length);
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result.WriteByte((byte)'\n');
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}
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result.Write(CLOSE_GROUP, 0, CLOSE_GROUP.Length);
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result.WriteByte((byte)'\n');
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}
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/**
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* Gets the id of the specified RtfList. If the RtfList is not yet in the
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* list of RtfLists, then it is added.
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*
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* @param list The RtfList for which to get the id.
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* @return The id of the RtfList.
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*/
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public int GetListNumber(RtfList list) {
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if (lists.Contains(list)) {
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return lists.IndexOf(list);
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} else {
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lists.Add(list);
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return lists.Count;
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}
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}
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/**
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* Remove a RtfList from the list of RtfLists
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*
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* @param list The RtfList to remove.
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*/
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public void FreeListNumber(RtfList list) {
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int i = lists.IndexOf(list);
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if (i >= 0) {
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lists.RemoveAt(i);
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}
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}
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}
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} |