1 /* 2 * $Id$ 3 * 4 * Copyright 2007 by Howard Shank (hgshank@yahoo.com) 5 * 6 * The contents of this file are subject to the Mozilla Public License Version 1.1 7 * (the "License"); you may not use this file except in compliance with the License. 8 * You may obtain a copy of the License at http://www.mozilla.org/MPL/ 9 * 10 * Software distributed under the License is distributed on an "AS IS" basis, 11 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License 12 * for the specific language governing rights and limitations under the License. 13 * 14 * The Original Code is 'iText, a free JAVA-PDF library'. 15 * 16 * The Initial Developer of the Original Code is Bruno Lowagie. Portions created by 17 * the Initial Developer are Copyright (C) 1999-2006 by Bruno Lowagie. 18 * All Rights Reserved. 19 * Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer 20 * are Copyright (C) 2000-2006 by Paulo Soares. All Rights Reserved. 21 * 22 * Contributor(s): all the names of the contributors are added in the source code 23 * where applicable. 24 * 25 * Alternatively, the contents of this file may be used under the terms of the 26 * LGPL license (the ?GNU LIBRARY GENERAL PUBLIC LICENSE?), in which case the 27 * provisions of LGPL are applicable instead of those above. If you wish to 28 * allow use of your version of this file only under the terms of the LGPL 29 * License and not to allow others to use your version of this file under 30 * the MPL, indicate your decision by deleting the provisions above and 31 * replace them with the notice and other provisions required by the LGPL. 32 * If you do not delete the provisions above, a recipient may use your version 33 * of this file under either the MPL or the GNU LIBRARY GENERAL PUBLIC LICENSE. 34 * 35 * This library is free software; you can redistribute it and/or modify it 36 * under the terms of the MPL as stated above or under the terms of the GNU 37 * Library General Public License as published by the Free Software Foundation; 38 * either version 2 of the License, or any later version. 39 * 40 * This library is distributed in the hope that it will be useful, but WITHOUT 41 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS 42 * FOR A PARTICULAR PURPOSE. See the GNU Library general Public License for more 43 * details. 44 * 45 * If you didn't download this code from the following link, you should check if 46 * you aren't using an obsolete version: 47 * http://www.lowagie.com/iText/ 48 */ 49 package com.lowagie.text.rtf.parser; 50 51 import java.util.Stack; 52 53 import com.lowagie.text.rtf.parser.destinations.RtfDestination; 54 import com.lowagie.text.rtf.parser.destinations.RtfDestinationNull; 55 import com.lowagie.text.rtf.parser.properties.RtfProperty; 56 57 /** 58 * The <code>RtfParserState</code> contains the state information 59 * for the parser. The current state object is pushed/popped in a stack 60 * when a group change is made. 61 * 62 * When an open group is encountered, the current state is copied and 63 * then pushed on the top of the stack 64 * When a close group is encountered, the current state is overwritten with 65 * the popped value from the top of the stack 66 * 67 * @author Howard Shank (hgshank@yahoo.com) 68 * @since 2.0.8 69 */ 70 public class RtfParserState { 71 /** 72 * The parser state. 73 */ 74 public int parserState = RtfParser.PARSER_IN_UNKNOWN; 75 /** 76 * The tokeniser state. 77 */ 78 public int tokeniserState = RtfParser.TOKENISER_STATE_IN_UNKOWN; 79 /** 80 * The control word set as the group handler. 81 */ 82 public Object groupHandler = null; 83 /** 84 * The parsed value for the current group/control word. 85 */ 86 public StringBuffer text = null; 87 /** 88 * Stack containing control word handlers. There could be multiple 89 * control words in a group. 90 */ 91 public Stack ctrlWordHandlers = null; 92 /** 93 * The current control word handler. 94 */ 95 public Object ctrlWordHandler = null; 96 /** 97 * The current destination. 98 */ 99 public RtfDestination destination = null; 100 /** 101 * Flag indicating if this is an extended destination \* control word 102 */ 103 public boolean isExtendedDestination = false; 104 /** 105 * Flag to indicate if last token was an open group token '{' 106 */ 107 public boolean newGroup = false; 108 109 public RtfProperty properties = null; 110 /** 111 * Default constructor 112 * 113 */ RtfParserState()114 public RtfParserState() { 115 this.text = new StringBuffer(); 116 this.ctrlWordHandlers = new Stack(); 117 this.properties = new RtfProperty(); 118 this.destination = RtfDestinationNull.getInstance(); 119 this.newGroup = false; 120 } 121 /** 122 * Copy constructor 123 * @param orig The object to copy 124 */ RtfParserState(RtfParserState orig)125 public RtfParserState(RtfParserState orig) { 126 this.properties = orig.properties; 127 this.parserState = orig.parserState; 128 this.tokeniserState = orig.tokeniserState; 129 this.groupHandler = null; 130 this.destination = orig.destination; 131 this.text = new StringBuffer(); 132 this.ctrlWordHandlers = new Stack(); 133 this.destination = orig.destination; 134 this.newGroup = false; 135 } 136 137 } 138