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 MORE_PARSER
35 #  define MORE_PARSER
36 
37 #include <string>
38 #include <vector>
39 
40 #include <librevenge/librevenge.h>
41 
42 #include "MWAWDebug.hxx"
43 #include "MWAWInputStream.hxx"
44 
45 #include "MWAWParser.hxx"
46 
47 namespace MoreParserInternal
48 {
49 class SubDocument;
50 struct State;
51 }
52 
53 class MoreText;
54 
55 /** \brief a namespace used to define basic structures in a More file
56  */
57 namespace MoreStruct
58 {
59 struct Pattern {
60   //!constructor
PatternMoreStruct::Pattern61   Pattern()
62     : m_frontColor(MWAWColor::black())
63     , m_backColor(MWAWColor::white())
64   {
65     for (auto &val : m_pattern) val=0;
66   }
67   //! operator<<
68   friend std::ostream &operator<<(std::ostream &o, Pattern const &pat);
69   //! the pattern
70   unsigned char m_pattern[8];
71   //! the front color
72   MWAWColor m_frontColor;
73   //! the back color
74   MWAWColor m_backColor;
75 };
76 }
77 
78 /** \brief the main class to read a More file
79  */
80 class MoreParser final : public MWAWTextParser
81 {
82   friend class MoreParserInternal::SubDocument;
83   friend class MoreText;
84 public:
85   //! constructor
86   MoreParser(MWAWInputStreamPtr const &input, MWAWRSRCParserPtr const &rsrcParser, MWAWHeader *header);
87   //! destructor
88   ~MoreParser() final;
89 
90   //! checks if the document header is correct (or not)
91   bool checkHeader(MWAWHeader *header, bool strict=false) final;
92 
93   // the main parse function
94   void parse(librevenge::RVNGTextInterface *documentInterface) final;
95 
96 protected:
97   //! inits all internal variables
98   void init();
99 
100   //! creates the listener which will be associated to the document
101   void createDocument(librevenge::RVNGTextInterface *documentInterface);
102 
103   //! returns the page left top point ( in inches)
104   MWAWVec2f getPageLeftTop() const;
105   //! adds a new page
106   void newPage(int number);
107   //! return the color which corresponds to an id (if possible)
108   bool getColor(int id, MWAWColor &col) const;
109 
110   // interface with the text parser
111 
112 protected:
113   //! finds the different objects zones
114   bool createZones();
115 
116   //! read the list of zones ( v2-3) : first 0x80 bytes
117   bool readZonesList();
118 
119   //! read a PrintInfo zone ( first block )
120   bool readPrintInfo(MWAWEntry const &entry);
121 
122   //! read a docinfo zone ( second block )
123   bool readDocumentInfo(MWAWEntry const &entry);
124 
125   //! read the list of slide definitions
126   bool readSlideList(MWAWEntry const &entry);
127 
128   //! read a slide definitions
129   bool readSlide(MWAWEntry const &entry);
130 
131   //! read a graphic ( in a slide )
132   bool readGraphic(MWAWEntry const &entry);
133 
134   //! read a unknown zone ( block 9 )
135   bool readUnknown9(MWAWEntry const &entry);
136 
137   //! read a color zone ( beginning of block 9 )
138   bool readColors(long endPos);
139 
140   //! read a pattern ( some sub zone of block 9)
141   bool readPattern(long endPos, MoreStruct::Pattern &pattern);
142 
143   //! read a backside ( some sub zone of block 9)
144   bool readBackside(long endPos, std::string &extra);
145 
146   //! read the list of free file position
147   bool readFreePos(MWAWEntry const &entry);
148 
149   //! read the last subzone find in a block 9 ( unknown meaning)
150   bool readUnkn9Sub(long endPos);
151 
152   //
153   // low level
154   //
155 
156   //! check if the entry is valid, if so store it in the list of entry
157   bool checkAndStore(MWAWEntry const &entry);
158 
159   //! check if the entry is valid defined by the begin pos points to a zone: dataSz data
160   bool checkAndFindSize(MWAWEntry &entry);
161 
162   //! return the input input
163   MWAWInputStreamPtr rsrcInput();
164 
165   //! a DebugFile used to write what we recognize when we parse the document in rsrc
166   libmwaw::DebugFile &rsrcAscii();
167 
168   //
169   // data
170   //
171 
172   //! the state
173   std::shared_ptr<MoreParserInternal::State> m_state;
174 
175   //! the text parser
176   std::shared_ptr<MoreText> m_textParser;
177 };
178 #endif
179 // vim: set filetype=cpp tabstop=2 shiftwidth=2 cindent autoindent smartindent noexpandtab:
180