1 /* -*- Mode: C++; c-default-style: "k&r"; indent-tabs-mode: nil; tab-width: 2; c-basic-offset: 2 -*- */
2 
3 /* libmwaw
4 * Version: MPL 2.0 / LGPLv2+
5 *
6 * The contents of this file are subject to the Mozilla Public License Version
7 * 2.0 (the "License"); you may not use this file except in compliance with
8 * the License or as specified alternatively below. You may obtain a copy of
9 * the License at http://www.mozilla.org/MPL/
10 *
11 * Software distributed under the License is distributed on an "AS IS" basis,
12 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
13 * for the specific language governing rights and limitations under the
14 * License.
15 *
16 * Major Contributor(s):
17 * Copyright (C) 2002 William Lachance (wrlach@gmail.com)
18 * Copyright (C) 2002,2004 Marc Maurer (uwog@uwog.net)
19 * Copyright (C) 2004-2006 Fridrich Strba (fridrich.strba@bluewin.ch)
20 * Copyright (C) 2006, 2007 Andrew Ziem
21 * Copyright (C) 2011, 2012 Alonso Laurent (alonso@loria.fr)
22 *
23 *
24 * All Rights Reserved.
25 *
26 * For minor contributions see the git repository.
27 *
28 * Alternatively, the contents of this file may be used under the terms of
29 * the GNU Lesser General Public License Version 2 or later (the "LGPLv2+"),
30 * in which case the provisions of the LGPLv2+ are applicable
31 * instead of those above.
32 */
33 
34 #ifndef MAC_WRT_PARSER
35 #  define MAC_WRT_PARSER
36 
37 #include <vector>
38 
39 #include "MWAWDebug.hxx"
40 #include "MWAWInputStream.hxx"
41 
42 #include "MWAWParser.hxx"
43 
44 namespace MacWrtParserInternal
45 {
46 struct State;
47 struct Information;
48 class SubDocument;
49 }
50 
51 /** \brief the main class to read a MacWrite file
52  *
53  *
54  *
55  */
56 class MacWrtParser final : public MWAWTextParser
57 {
58   friend class MacWrtParserInternal::SubDocument;
59 
60 public:
61   //! constructor
62   MacWrtParser(MWAWInputStreamPtr const &input, MWAWRSRCParserPtr const &rsrcParser, MWAWHeader *header);
63   //! destructor
64   ~MacWrtParser() final;
65 
66   //! checks if the document header is correct (or not)
67   bool checkHeader(MWAWHeader *header, bool strict=false) final;
68 
69   // the main parse function
70   void parse(librevenge::RVNGTextInterface *documentInterface) final;
71 
72 protected:
73   //! inits all internal variables
74   void init();
75 
76   //! creates the listener which will be associated to the document
77   void createDocument(librevenge::RVNGTextInterface *documentInterface);
78 
79   //! send a zone ( 0: MAIN ZONE, 1 : HEADER, 2 : FOOTER )
80   bool sendWindow(int zone);
81 
82   //! finds the different objects zones
83   bool createZones();
84 
85   //! finds the different objects zones (version <= 3)
86   bool createZonesV3();
87 
88   //! read the print info zone
89   bool readPrintInfo();
90 
91   //! read the windows zone
92   bool readWindowsInfo(int wh);
93 
94   //! read the line height
95   bool readLinesHeight(MWAWEntry const &entry, std::vector<int> &firstParagLine,
96                        std::vector<int> &linesHeight);
97 
98   //! read the information ( version <= 3)
99   bool readInformationsV3(int numInfo,
100                           std::vector<MacWrtParserInternal::Information> &informations);
101 
102   //! read the information
103   bool readInformations(MWAWEntry const &entry,
104                         std::vector<MacWrtParserInternal::Information> &informations);
105 
106   //! read a paragraph
107   bool readParagraph(MacWrtParserInternal::Information const &info);
108 
109   //! read a graphics
110   bool readGraphic(MacWrtParserInternal::Information const &info);
111   /** test if a graphic is empty. In v5, some empty graphic are added
112       before a page break, so it better to remove them */
113   static bool isMagicPic(librevenge::RVNGBinaryData const &dt);
114 
115   //! read a text zone
116   bool readText(MacWrtParserInternal::Information const &info, std::vector<int> const &lineHeight);
117 
118   //! read a page break zone ( version <= 3)
119   bool readPageBreak(MacWrtParserInternal::Information const &info);
120 
121   //! check the free list
122   bool checkFreeList();
123 
124   //! adds a new page
125   void newPage(int number);
126 
127 protected:
128   //
129   // data
130   //
131   //! the state
132   std::shared_ptr<MacWrtParserInternal::State> m_state;
133 };
134 #endif
135 // vim: set filetype=cpp tabstop=2 shiftwidth=2 cindent autoindent smartindent noexpandtab:
136