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872
iTechSharp/iTextSharp/text/xml/ITextHandler.cs
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872
iTechSharp/iTextSharp/text/xml/ITextHandler.cs
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using System;
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using System.Collections;
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using System.util;
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using System.Text;
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using System.Xml;
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using iTextSharp.text;
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using iTextSharp.text.pdf;
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using iTextSharp.text.pdf.draw;
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using iTextSharp.text.xml.simpleparser;
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using iTextSharp.text.html;
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using iTextSharp.text.factories;
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/*
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* $Id: ITextHandler.cs,v 1.21 2008/05/13 11:26:11 psoares33 Exp $
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*
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*
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* Copyright 2001, 2002 by Bruno Lowagie.
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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.xml {
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/// <summary>
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/// The <CODE>iTextHandler</CODE>-class maps several XHTML-tags to iText-objects.
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/// </summary>
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public class ITextHandler : ParserBase {
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/// <summary> This is the resulting document. </summary>
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protected IDocListener document;
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/// <summary> This is a <CODE>Stack</CODE> of objects, waiting to be added to the document. </summary>
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protected Stack stack;
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/// <summary> Counts the number of chapters in this document. </summary>
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protected int chapters = 0;
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/// <summary> This is the current chunk to which characters can be added. </summary>
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protected Chunk currentChunk = null;
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/// <summary> This is the current chunk to which characters can be added. </summary>
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protected bool ignore = false;
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/// <summary> This is a flag that can be set, if you want to open and close the Document-object yourself. </summary>
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protected bool controlOpenClose = true;
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/** current margin of a page. */
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float topMargin = 36;
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/** current margin of a page. */
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float rightMargin = 36;
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/** current margin of a page. */
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float leftMargin = 36;
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/** current margin of a page. */
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float bottomMargin = 36;
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/// <summary>
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/// Constructs a new iTextHandler that will translate all the events
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/// triggered by the parser to actions on the <CODE>Document</CODE>-object.
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/// </summary>
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/// <param name="document">this is the document on which events must be triggered</param>
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public ITextHandler(IDocListener document) : base() {
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this.document = document;
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stack = new Stack();
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}
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protected Hashtable myTags;
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/**
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* @param document
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* @param myTags
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* @throws DocumentException
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* @throws IOException
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*/
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public ITextHandler(IDocListener document, HtmlTagMap myTags) : this(document) {
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this.myTags = myTags;
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}
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/**
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* @param document
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* @param myTags
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* @param bf
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* @throws DocumentException
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* @throws IOException
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*/
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public ITextHandler(IDocListener document, HtmlTagMap myTags, BaseFont bf) : this(document, myTags) {
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this.bf = bf;
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}
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/**
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* @param document
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* @param myTags
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* @throws DocumentException
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* @throws IOException
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*/
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public ITextHandler(IDocListener document, Hashtable myTags) : this(document) {
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this.myTags = myTags;
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}
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/// <summary>
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/// Sets the parameter that allows you to enable/disable the control over the Document.Open() and Document.Close() method.
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/// </summary>
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/// <remarks>
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/// If you set this parameter to true (= default), the parser will open the Document object when the start-root-tag is encountered
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/// and close it when the end-root-tag is met. If you set it to false, you have to open and close the Document object
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/// yourself.
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/// </remarks>
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/// <param name="controlOpenClose">set this to false if you plan to open/close the Document yourself</param>
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public void SetControlOpenClose(bool controlOpenClose) {
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this.controlOpenClose = controlOpenClose;
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}
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/// <summary>
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/// This method gets called when a start tag is encountered.
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/// </summary>
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/// <param name="uri"></param>
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/// <param name="lname"></param>
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/// <param name="name">the name of the tag that is encountered</param>
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/// <param name="attrs">the list of attributes</param>
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public override void StartElement(String uri, String lname, String name, Hashtable attrs) {
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Properties attributes = new Properties();
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if (attrs != null) {
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foreach (string key in attrs.Keys) {
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attributes.Add(key, (string)attrs[key]);
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}
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}
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HandleStartingTags(name, attributes);
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}
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/// <summary>
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/// This method deals with the starting tags.
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/// </summary>
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/// <param name="name">the name of the tag</param>
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/// <param name="attributes">the list of attributes</param>
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public void HandleStartingTags(String name, Properties attributes) {
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//System.err.Println("Start: " + name);
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if (ignore || ElementTags.IGNORE.Equals(name)) {
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ignore = true;
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return;
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}
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// maybe there is some meaningful data that wasn't between tags
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if (currentChunk != null) {
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ITextElementArray current;
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try {
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current = (ITextElementArray) stack.Pop();
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}
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catch {
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if (bf == null) {
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current = new Paragraph("", new Font());
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}
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else {
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current = new Paragraph("", new Font(this.bf));
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}
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}
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current.Add(currentChunk);
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stack.Push(current);
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currentChunk = null;
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}
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// registerfont
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if (name.Equals("registerfont")) {
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FontFactory.Register(attributes);
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}
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// header
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if (ElementTags.HEADER.Equals(name)) {
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stack.Push(new HeaderFooter(attributes));
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return;
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}
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// footer
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if (ElementTags.FOOTER.Equals(name)) {
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stack.Push(new HeaderFooter(attributes));
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return;
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}
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// before
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if (name.Equals("before")) {
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HeaderFooter tmp = (HeaderFooter)stack.Pop();
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tmp.Before = ElementFactory.GetPhrase(attributes);
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stack.Push(tmp);
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return;
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}
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// after
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if (name.Equals("after")) {
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HeaderFooter tmp = (HeaderFooter)stack.Pop();
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tmp.After = ElementFactory.GetPhrase(attributes);
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stack.Push(tmp);
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return;
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}
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// chunks
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if (ElementTags.CHUNK.Equals(name)) {
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currentChunk = ElementFactory.GetChunk(attributes);
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if (bf != null) {
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currentChunk.Font = new Font(this.bf);
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}
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return;
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}
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// symbols
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if (ElementTags.ENTITY.Equals(name)) {
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Font f = new Font();
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if (currentChunk != null) {
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HandleEndingTags(ElementTags.CHUNK);
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f = currentChunk.Font;
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}
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currentChunk = EntitiesToSymbol.Get(attributes[ElementTags.ID], f);
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return;
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}
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// phrases
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if (ElementTags.PHRASE.Equals(name)) {
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stack.Push(ElementFactory.GetPhrase(attributes));
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return;
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}
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// anchors
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if (ElementTags.ANCHOR.Equals(name)) {
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stack.Push(ElementFactory.GetAnchor(attributes));
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return;
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}
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// paragraphs and titles
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if (ElementTags.PARAGRAPH.Equals(name) || ElementTags.TITLE.Equals(name)) {
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stack.Push(ElementFactory.GetParagraph(attributes));
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return;
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}
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// lists
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if (ElementTags.LIST.Equals(name)) {
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stack.Push(ElementFactory.GetList(attributes));
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return;
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}
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// listitems
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if (ElementTags.LISTITEM.Equals(name)) {
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stack.Push(ElementFactory.GetListItem(attributes));
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return;
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}
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// cells
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if (ElementTags.CELL.Equals(name)) {
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stack.Push(ElementFactory.GetCell(attributes));
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return;
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}
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// tables
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if (ElementTags.TABLE.Equals(name)) {
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Table table = ElementFactory.GetTable(attributes);
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float[] widths = table.ProportionalWidths;
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for (int i = 0; i < widths.Length; i++) {
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if (widths[i] == 0) {
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widths[i] = 100.0f / (float)widths.Length;
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}
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}
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try {
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table.Widths = widths;
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}
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catch (BadElementException bee) {
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// this shouldn't happen
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throw new Exception("", bee);
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}
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stack.Push(table);
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return;
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}
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// sections
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if (ElementTags.SECTION.Equals(name)) {
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IElement previous = (IElement) stack.Pop();
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Section section;
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section = ElementFactory.GetSection((Section) previous, attributes);
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stack.Push(previous);
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stack.Push(section);
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return;
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}
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// chapters
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if (ElementTags.CHAPTER.Equals(name)) {
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stack.Push(ElementFactory.GetChapter(attributes));
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return;
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}
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// images
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if (ElementTags.IMAGE.Equals(name)) {
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try {
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Image img = ElementFactory.GetImage(attributes);
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try {
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AddImage(img);
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return;
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}
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catch {
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// if there is no element on the stack, the Image is added to the document
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try {
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document.Add(img);
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}
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catch (DocumentException de) {
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throw new Exception("", de);
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}
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return;
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}
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}
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catch (Exception e) {
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throw new Exception("", e);
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}
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}
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// annotations
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if (ElementTags.ANNOTATION.Equals(name)) {
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Annotation annotation = ElementFactory.GetAnnotation(attributes);
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ITextElementArray current;
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try {
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try {
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current = (ITextElementArray) stack.Pop();
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try {
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current.Add(annotation);
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}
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catch {
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document.Add(annotation);
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}
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stack.Push(current);
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}
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catch {
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document.Add(annotation);
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}
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return;
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}
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catch (DocumentException de) {
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throw de;
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}
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}
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// newlines
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if (IsNewline(name)) {
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ITextElementArray current;
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try {
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current = (ITextElementArray) stack.Pop();
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current.Add(Chunk.NEWLINE);
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stack.Push(current);
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}
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catch {
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if (currentChunk == null) {
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try {
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document.Add(Chunk.NEWLINE);
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}
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catch (DocumentException de) {
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throw de;
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}
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}
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else {
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currentChunk.Append("\n");
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}
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}
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return;
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}
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// newpage
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if (IsNewpage(name)) {
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ITextElementArray current;
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try {
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current = (ITextElementArray) stack.Pop();
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Chunk newPage = new Chunk("");
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newPage.SetNewPage();
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if (bf != null) {
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newPage.Font = new Font(this.bf);
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}
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current.Add(newPage);
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stack.Push(current);
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}
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catch {
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document.NewPage();
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}
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return;
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}
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if (ElementTags.HORIZONTALRULE.Equals(name)) {
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ITextElementArray current;
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LineSeparator hr = new LineSeparator(1.0f, 100.0f, null, Element.ALIGN_CENTER, 0);
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try {
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current = (ITextElementArray)stack.Pop();
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current.Add(hr);
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stack.Push(current);
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} catch (InvalidOperationException) {
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document.Add(hr);
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}
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return;
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}
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// documentroot
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if (IsDocumentRoot(name)) {
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String value;
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// pagesize and orientation specific code suggested by Samuel Gabriel
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// Updated by Ricardo Coutinho. Only use if set in html!
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Rectangle pageSize = null;
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String orientation = null;
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foreach (string key in attributes.Keys) {
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value = attributes[key];
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// margin specific code suggested by Reza Nasiri
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if (Util.EqualsIgnoreCase(ElementTags.LEFT, key))
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leftMargin = float.Parse(value, System.Globalization.NumberFormatInfo.InvariantInfo);
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if (Util.EqualsIgnoreCase(ElementTags.RIGHT, key))
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rightMargin = float.Parse(value, System.Globalization.NumberFormatInfo.InvariantInfo);
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if (Util.EqualsIgnoreCase(ElementTags.TOP, key))
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topMargin = float.Parse(value, System.Globalization.NumberFormatInfo.InvariantInfo);
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if (Util.EqualsIgnoreCase(ElementTags.BOTTOM, key))
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bottomMargin = float.Parse(value, System.Globalization.NumberFormatInfo.InvariantInfo);
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if (ElementTags.PAGE_SIZE.Equals(key)) {
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pageSize = (Rectangle)typeof(PageSize).GetField(value).GetValue(null);
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} else if (ElementTags.ORIENTATION.Equals(key)) {
|
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if ("landscape".Equals(value)) {
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orientation = "landscape";
|
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}
|
||||
} else {
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document.Add(new Meta(key, value));
|
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}
|
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}
|
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if (pageSize != null) {
|
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if ("landscape".Equals(orientation)) {
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pageSize = pageSize.Rotate();
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}
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document.SetPageSize(pageSize);
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}
|
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document.SetMargins(leftMargin, rightMargin, topMargin,
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bottomMargin);
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if (controlOpenClose)
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document.Open();
|
||||
}
|
||||
}
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protected internal void AddImage(Image img) {
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// if there is an element on the stack...
|
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Object current = stack.Pop();
|
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// ...and it's a Chapter or a Section, the Image can be
|
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// added directly
|
||||
if (current is Chapter
|
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|| current is Section
|
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|| current is Cell) {
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((ITextElementArray) current).Add(img);
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stack.Push(current);
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return;
|
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}
|
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// ...if not, we need to to a lot of stuff
|
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else {
|
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Stack newStack = new Stack();
|
||||
while (!(current is Chapter
|
||||
|| current is Section || current is Cell)) {
|
||||
newStack.Push(current);
|
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if (current is Anchor) {
|
||||
img.Annotation = new Annotation(0, 0, 0,
|
||||
0, ((Anchor) current).Reference);
|
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}
|
||||
current = stack.Pop();
|
||||
}
|
||||
((ITextElementArray) current).Add(img);
|
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stack.Push(current);
|
||||
while (newStack.Count != 0) {
|
||||
stack.Push(newStack.Pop());
|
||||
}
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// This method gets called when ignorable white space encountered.
|
||||
/// </summary>
|
||||
/// <param name="ch">an array of characters</param>
|
||||
/// <param name="start">the start position in the array</param>
|
||||
/// <param name="length">the number of characters to read from the array</param>
|
||||
public void IgnorableWhitespace(char[] ch, int start, int length) {
|
||||
// do nothing: we handle white space ourselves in the characters method
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// This method gets called when characters are encountered.
|
||||
/// </summary>
|
||||
/// <param name="content">an array of characters</param>
|
||||
/// <param name="start">the start position in the array</param>
|
||||
/// <param name="length">the number of characters to read from the array</param>
|
||||
public override void Characters(string content, int start, int length) {
|
||||
|
||||
if (ignore) return;
|
||||
|
||||
if (content.Trim().Length == 0 && content.IndexOf(' ') < 0) {
|
||||
return;
|
||||
}
|
||||
|
||||
StringBuilder buf = new StringBuilder();
|
||||
int len = content.Length;
|
||||
char character;
|
||||
bool newline = false;
|
||||
for (int i = 0; i < len; i++) {
|
||||
switch (character = content[i]) {
|
||||
case ' ':
|
||||
if (!newline) {
|
||||
buf.Append(character);
|
||||
}
|
||||
break;
|
||||
case '\n':
|
||||
if (i > 0) {
|
||||
newline = true;
|
||||
buf.Append(' ');
|
||||
}
|
||||
break;
|
||||
case '\r':
|
||||
break;
|
||||
case '\t':
|
||||
break;
|
||||
default:
|
||||
newline = false;
|
||||
buf.Append(character);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
string tmp = buf.ToString();
|
||||
string rline = new String('\r', 1);
|
||||
string nline = new String('\n', 1);
|
||||
string tline = new String('\t', 1);
|
||||
tmp = tmp.Replace("\\n", nline);
|
||||
tmp = tmp.Replace("\\t", tline);
|
||||
tmp = tmp.Replace("\\r", rline);
|
||||
|
||||
if (currentChunk == null) {
|
||||
if (bf == null) {
|
||||
currentChunk = new Chunk(buf.ToString());
|
||||
}
|
||||
else {
|
||||
currentChunk = new Chunk(buf.ToString(), new Font(this.bf));
|
||||
}
|
||||
} else {
|
||||
currentChunk.Append(buf.ToString());
|
||||
}
|
||||
}
|
||||
|
||||
private BaseFont bf = null;
|
||||
|
||||
public BaseFont DefaultFont {
|
||||
set {
|
||||
bf = value;
|
||||
}
|
||||
get {
|
||||
return bf;
|
||||
}
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// This method gets called when an end tag is encountered.
|
||||
/// </summary>
|
||||
/// <param name="uri"></param>
|
||||
/// <param name="lname"></param>
|
||||
/// <param name="name">the name of the tag that ends</param>
|
||||
public override void EndElement(String uri, String lname, String name) {
|
||||
HandleEndingTags(name);
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// This method deals with the starting tags.
|
||||
/// </summary>
|
||||
/// <param name="name">the name of the tag</param>
|
||||
public void HandleEndingTags(String name) {
|
||||
|
||||
//System.err.Println("Stop: " + name);
|
||||
|
||||
if (ElementTags.IGNORE.Equals(name)) {
|
||||
ignore = false;
|
||||
return;
|
||||
}
|
||||
if (ignore) return;
|
||||
// tags that don't have any content
|
||||
if (IsNewpage(name) || ElementTags.ANNOTATION.Equals(name) || ElementTags.IMAGE.Equals(name) || IsNewline(name)) {
|
||||
return;
|
||||
}
|
||||
|
||||
try {
|
||||
// titles of sections and chapters
|
||||
if (ElementTags.TITLE.Equals(name)) {
|
||||
Paragraph current = (Paragraph) stack.Pop();
|
||||
if (currentChunk != null) {
|
||||
current.Add(currentChunk);
|
||||
currentChunk = null;
|
||||
}
|
||||
Section previous = (Section) stack.Pop();
|
||||
previous.Title = current;
|
||||
stack.Push(previous);
|
||||
return;
|
||||
}
|
||||
|
||||
// all other endtags
|
||||
if (currentChunk != null) {
|
||||
ITextElementArray current;
|
||||
try {
|
||||
current = (ITextElementArray) stack.Pop();
|
||||
}
|
||||
catch {
|
||||
current = new Paragraph();
|
||||
}
|
||||
current.Add(currentChunk);
|
||||
stack.Push(current);
|
||||
currentChunk = null;
|
||||
}
|
||||
|
||||
// chunks
|
||||
if (ElementTags.CHUNK.Equals(name)) {
|
||||
return;
|
||||
}
|
||||
|
||||
// phrases, anchors, lists, tables
|
||||
if (ElementTags.PHRASE.Equals(name) || ElementTags.ANCHOR.Equals(name) || ElementTags.LIST.Equals(name)
|
||||
|| ElementTags.PARAGRAPH.Equals(name)) {
|
||||
IElement current = (IElement) stack.Pop();
|
||||
try {
|
||||
ITextElementArray previous = (ITextElementArray) stack.Pop();
|
||||
previous.Add(current);
|
||||
stack.Push(previous);
|
||||
}
|
||||
catch {
|
||||
document.Add(current);
|
||||
}
|
||||
return;
|
||||
}
|
||||
|
||||
// listitems
|
||||
if (ElementTags.LISTITEM.Equals(name)) {
|
||||
ListItem listItem = (ListItem) stack.Pop();
|
||||
List list = (List) stack.Pop();
|
||||
list.Add(listItem);
|
||||
stack.Push(list);
|
||||
}
|
||||
|
||||
// tables
|
||||
if (ElementTags.TABLE.Equals(name)) {
|
||||
Table table = (Table) stack.Pop();
|
||||
try {
|
||||
ITextElementArray previous = (ITextElementArray) stack.Pop();
|
||||
previous.Add(table);
|
||||
stack.Push(previous);
|
||||
}
|
||||
catch {
|
||||
document.Add(table);
|
||||
}
|
||||
return;
|
||||
}
|
||||
|
||||
// rows
|
||||
if (ElementTags.ROW.Equals(name)) {
|
||||
ArrayList cells = new ArrayList();
|
||||
int columns = 0;
|
||||
Table table;
|
||||
Cell cell;
|
||||
while (true) {
|
||||
IElement element = (IElement) stack.Pop();
|
||||
if (element.Type == Element.CELL) {
|
||||
cell = (Cell) element;
|
||||
columns += cell.Colspan;
|
||||
cells.Add(cell);
|
||||
}
|
||||
else {
|
||||
table = (Table) element;
|
||||
break;
|
||||
}
|
||||
}
|
||||
if (table.Columns < columns) {
|
||||
table.AddColumns(columns - table.Columns);
|
||||
}
|
||||
cells.Reverse(0, cells.Count);
|
||||
String width;
|
||||
float[] cellWidths = new float[columns];
|
||||
bool[] cellNulls = new bool[columns];
|
||||
for (int i = 0; i < columns; i++) {
|
||||
cellWidths[i] = 0;
|
||||
cellNulls[i] = true;
|
||||
}
|
||||
float total = 0;
|
||||
int j = 0;
|
||||
foreach (Cell c in cells) {
|
||||
cell = c;
|
||||
width = cell.GetWidthAsString();
|
||||
if (cell.Width == 0) {
|
||||
if (cell.Colspan == 1 && cellWidths[j] == 0) {
|
||||
try {
|
||||
cellWidths[j] = 100f / columns;
|
||||
total += cellWidths[j];
|
||||
}
|
||||
catch {
|
||||
// empty on purpose
|
||||
}
|
||||
}
|
||||
else if (cell.Colspan == 1) {
|
||||
cellNulls[j] = false;
|
||||
}
|
||||
}
|
||||
else if (cell.Colspan == 1 && width.EndsWith("%")) {
|
||||
try {
|
||||
cellWidths[j] = float.Parse(width.Substring(0, width.Length - 1), System.Globalization.NumberFormatInfo.InvariantInfo);
|
||||
total += cellWidths[j];
|
||||
}
|
||||
catch {
|
||||
// empty on purpose
|
||||
}
|
||||
}
|
||||
j += cell.Colspan;
|
||||
table.AddCell(cell);
|
||||
}
|
||||
float[] widths = table.ProportionalWidths;
|
||||
if (widths.Length == columns) {
|
||||
float left = 0.0f;
|
||||
for (int i = 0; i < columns; i++) {
|
||||
if (cellNulls[i] && widths[i] != 0) {
|
||||
left += widths[i];
|
||||
cellWidths[i] = widths[i];
|
||||
}
|
||||
}
|
||||
if (100.0 >= total) {
|
||||
for (int i = 0; i < widths.Length; i++) {
|
||||
if (cellWidths[i] == 0 && widths[i] != 0) {
|
||||
cellWidths[i] = (widths[i] / left) * (100.0f - total);
|
||||
}
|
||||
}
|
||||
}
|
||||
table.Widths = cellWidths;
|
||||
}
|
||||
stack.Push(table);
|
||||
}
|
||||
|
||||
// registerfont
|
||||
if (name.Equals("registerfont")) {
|
||||
return;
|
||||
}
|
||||
|
||||
// header
|
||||
if (ElementTags.HEADER.Equals(name)) {
|
||||
document.Header = (HeaderFooter)stack.Pop();
|
||||
return;
|
||||
}
|
||||
|
||||
// footer
|
||||
if (ElementTags.FOOTER.Equals(name)) {
|
||||
document.Footer = (HeaderFooter)stack.Pop();
|
||||
return;
|
||||
}
|
||||
|
||||
// before
|
||||
if (name.Equals("before")) {
|
||||
return;
|
||||
}
|
||||
|
||||
// after
|
||||
if (name.Equals("after")) {
|
||||
return;
|
||||
}
|
||||
|
||||
// cells
|
||||
if (ElementTags.CELL.Equals(name)) {
|
||||
return;
|
||||
}
|
||||
|
||||
// sections
|
||||
if (ElementTags.SECTION.Equals(name)) {
|
||||
stack.Pop();
|
||||
return;
|
||||
}
|
||||
|
||||
// chapters
|
||||
if (ElementTags.CHAPTER.Equals(name)) {
|
||||
document.Add((IElement) stack.Pop());
|
||||
return;
|
||||
}
|
||||
|
||||
// the documentroot
|
||||
if (IsDocumentRoot(name)) {
|
||||
try {
|
||||
while (true) {
|
||||
IElement element = (IElement) stack.Pop();
|
||||
try {
|
||||
ITextElementArray previous = (ITextElementArray) stack.Pop();
|
||||
previous.Add(element);
|
||||
stack.Push(previous);
|
||||
}
|
||||
catch {
|
||||
document.Add(element);
|
||||
}
|
||||
}
|
||||
}
|
||||
catch {
|
||||
// empty on purpose
|
||||
}
|
||||
if (controlOpenClose) document.Close();
|
||||
return;
|
||||
}
|
||||
}
|
||||
catch (DocumentException de) {
|
||||
throw de;
|
||||
}
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Checks if a certain tag corresponds with the newpage-tag.
|
||||
/// </summary>
|
||||
/// <param name="tag">a presumed tagname</param>
|
||||
/// <returns><CODE>true</CODE> or <CODE>false</CODE></returns>
|
||||
private bool IsNewpage(String tag) {
|
||||
return ElementTags.NEWPAGE.Equals(tag);
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Checks if a certain tag corresponds with the newpage-tag.
|
||||
/// </summary>
|
||||
/// <param name="tag">a presumed tagname</param>
|
||||
/// <returns><CODE>true</CODE> or <CODE>false</CODE></returns>
|
||||
private bool IsNewline(String tag) {
|
||||
return ElementTags.NEWLINE.Equals(tag);
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Checks if a certain tag corresponds with the roottag.
|
||||
/// </summary>
|
||||
/// <param name="tag">a presumed tagname</param>
|
||||
/// <returns><CODE>true</CODE> if <VAR>tag</VAR> equals <CODE>itext</CODE>, <CODE>false</CODE> otherwise.</returns>
|
||||
protected bool IsDocumentRoot(String tag) {
|
||||
return ElementTags.ITEXT.Equals(tag);
|
||||
}
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user