Canvas5Parser.hxx Source File documentation

Canvas5Parser.hxx
Go to the documentation of this file.
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 CANVAS5_PARSER
35# define CANVAS5_PARSER
36
37#include <functional>
38#include <map>
39#include <string>
40#include <utility>
41#include <vector>
42
43#include <librevenge/librevenge.h>
44
45#include "MWAWDebug.hxx"
46#include "MWAWInputStream.hxx"
47#include "MWAWPosition.hxx"
48
49#include "MWAWParser.hxx"
50
51namespace Canvas5ParserInternal
52{
53struct Layer;
54struct Slide;
55
56struct State;
57}
58
59class Canvas5Graph;
60class Canvas5Image;
61class Canvas5StyleManager;
62
63namespace Canvas5Structure
64{
65struct Stream;
66}
67
71 class Canvas5Parser final : public MWAWGraphicParser
72{
73 friend class Canvas5Graph;
74 friend class Canvas5Image;
75 friend class Canvas5StyleManager;
76public:
78 Canvas5Parser(MWAWInputStreamPtr const &input, MWAWRSRCParserPtr const &rsrcParser, MWAWHeader *header);
80 ~Canvas5Parser() final;
81
83 bool checkHeader(MWAWHeader *header, bool strict=false) final;
84
85 // the main parse function
86 void parse(librevenge::RVNGDrawingInterface *documentInterface) final;
87
88protected:
90 void createDocument(librevenge::RVNGDrawingInterface *documentInterface);
91
92 //
93 // interface
94 //
95
97 bool isWindowsFile() const;
99 librevenge::RVNGString getTextLink(int textLinkId) const;
100
101protected:
103 bool createZones();
105 bool readMainBlock(std::shared_ptr<Canvas5Structure::Stream> stream);
107 bool readMainBlock9(std::shared_ptr<Canvas5Structure::Stream> stream);
109 bool readFileRSRCs(std::shared_ptr<Canvas5Structure::Stream> stream);
111 bool readSI200(Canvas5Structure::Stream &stream);
113 bool readFileDesc(Canvas5Structure::Stream &stream);
114
115 // Intermediate level
116
117 //
118 // first block
119 //
120
122 bool readFileHeader(std::shared_ptr<Canvas5Structure::Stream> stream);
123
125 bool readDocumentSettings(std::shared_ptr<Canvas5Structure::Stream> stream);
127 bool readLayers(std::shared_ptr<Canvas5Structure::Stream> stream);
129 bool readSlides(std::shared_ptr<Canvas5Structure::Stream> stream);
131 bool readTextLinks(std::shared_ptr<Canvas5Structure::Stream> stream);
132
133 //
134 // second block
135 //
136
137 //
138 // third block
139 //
140
142 bool readPrinterRsrc(Canvas5Structure::Stream &stream);
144 bool readOLnkRsrc(std::shared_ptr<Canvas5Structure::Stream> stream);
146 bool readObjectDBRsrc(std::shared_ptr<Canvas5Structure::Stream> stream);
147
148 //
149 // Mac RSRC
150 //
152 bool readPnot(Canvas5Structure::Stream &stream, MWAWEntry const &entry);
154 bool readPicture(Canvas5Structure::Stream &stream, MWAWEntry const &entry);
155
156 //
157 // Windows RSRC
158 //
159
160 //
161 // send data to the listener
162 //
163
165 bool send(Canvas5ParserInternal::Slide const &slide);
167 bool send(Canvas5ParserInternal::Layer const &layer);
168
169 //
170 // low level
171 //
172
174 bool readString(Canvas5Structure::Stream &stream, librevenge::RVNGString &string, int maxSize, bool canBeCString=false);
176 bool readDouble(Canvas5Structure::Stream &stream, double &val, bool &isNaN) const;
178 double readDouble(Canvas5Structure::Stream &stream, int fieldSize) const;
180 int readInteger(Canvas5Structure::Stream &stream, int fieldSize) const;
181
183 struct Item {
185 Item()
186 : m_id(-1)
187 , m_type(unsigned(-1))
188 , m_length(0)
189 , m_pos(-1)
190 , m_decal(0)
191 {
192 }
193
195 int m_id;
197 unsigned m_type;
199 long m_length;
201 long m_pos;
203 int m_decal;
204 };
205
206 typedef std::function<void(std::shared_ptr<Canvas5Structure::Stream>, Item const &, std::string const &)> DataFunction;
208 static void defDataFunction(std::shared_ptr<Canvas5Structure::Stream>, Item const &, std::string const &) {}
210 static void stringDataFunction(std::shared_ptr<Canvas5Structure::Stream> stream, Item const &item, std::string const &what);
211
213 bool readDataHeader(Canvas5Structure::Stream &stream, int expectedSize, int &N);
218 bool readExtendedHeader(std::shared_ptr<Canvas5Structure::Stream> stream, int expectedValue, std::string const &what, DataFunction const &func);
219
221 bool readUsed(Canvas5Structure::Stream &stream, std::string const &what);
223 bool readDefined(Canvas5Structure::Stream &stream, std::vector<bool> &defined, std::string const &what);
224
226 bool readIndexMap(std::shared_ptr<Canvas5Structure::Stream> stream, std::string const &what, DataFunction const &func=&Canvas5Parser::defDataFunction);
227
229 // v9 new structures
231
233 bool readArray9(std::shared_ptr<Canvas5Structure::Stream> stream, std::string const &what,
234 DataFunction const &func=&Canvas5Parser::defDataFunction);
236 bool readItemHeader9(Canvas5Structure::Stream &stream, int &id, int &used);
237
239 bool getTAG9(Canvas5Structure::Stream &stream, std::string &tag, int &type);
241 bool checkTAG9(Canvas5Structure::Stream &stream, std::string const &tag, int type);
242
244 static MWAWInputStreamPtr decode(MWAWInputStreamPtr input, int version);
245
246 //
247 // data
248 //
250 std::shared_ptr<Canvas5ParserInternal::State> m_state;
252 std::shared_ptr<Canvas5Graph> m_graphParser;
254 std::shared_ptr<Canvas5Image> m_imageParser;
256 std::shared_ptr<Canvas5StyleManager> m_styleManager;
257};
258#endif
259// vim: set filetype=cpp tabstop=2 shiftwidth=2 cindent autoindent smartindent noexpandtab:
MWAWDebug.hxx
MWAWInputStream.hxx
MWAWParser.hxx
MWAWPosition.hxx
Canvas5Graph
the main class to read the graphic part of Canvas v5-v11 file
Definition Canvas5Graph.hxx:85
Canvas5Image
the main class to read/convert the image or movie inside of Canvas 5-11 files
Definition Canvas5Image.hxx:78
Canvas5Parser::readTextLinks
bool readTextLinks(std::shared_ptr< Canvas5Structure::Stream > stream)
try to read the text links
Definition Canvas5Parser.cxx:2288
Canvas5Parser::m_graphParser
std::shared_ptr< Canvas5Graph > m_graphParser
the graph parser
Definition Canvas5Parser.hxx:252
Canvas5Parser::m_imageParser
std::shared_ptr< Canvas5Image > m_imageParser
the image parser
Definition Canvas5Parser.hxx:254
Canvas5Parser::readMainBlock
bool readMainBlock(std::shared_ptr< Canvas5Structure::Stream > stream)
try to read the first big block
Definition Canvas5Parser.cxx:458
Canvas5Parser::readFileRSRCs
bool readFileRSRCs(std::shared_ptr< Canvas5Structure::Stream > stream)
try to read the third big block: a list of resource?, font, ...
Definition Canvas5Parser.cxx:619
Canvas5Parser::readSI200
bool readSI200(Canvas5Structure::Stream &stream)
try to read the SI200 zone: v6
Definition Canvas5Parser.cxx:1518
Canvas5Parser::readString
bool readString(Canvas5Structure::Stream &stream, librevenge::RVNGString &string, int maxSize, bool canBeCString=false)
try to read a pascal string in the data fork or a Pascal/C string depending on the file type
Definition Canvas5Parser.cxx:2971
Canvas5Parser::readMainBlock9
bool readMainBlock9(std::shared_ptr< Canvas5Structure::Stream > stream)
try to read the first big block: v9
Definition Canvas5Parser.cxx:492
Canvas5Parser::Canvas5Graph
friend class Canvas5Graph
Definition Canvas5Parser.hxx:73
Canvas5Parser::readUsed
bool readUsed(Canvas5Structure::Stream &stream, std::string const &what)
try to read the used list
Definition Canvas5Parser.cxx:3301
Canvas5Parser::m_styleManager
std::shared_ptr< Canvas5StyleManager > m_styleManager
the style manager
Definition Canvas5Parser.hxx:256
Canvas5Parser::m_state
std::shared_ptr< Canvas5ParserInternal::State > m_state
the state
Definition Canvas5Parser.hxx:250
Canvas5Parser::readOLnkRsrc
bool readOLnkRsrc(std::shared_ptr< Canvas5Structure::Stream > stream)
try to read the OLnk rsrc block: v6
Definition Canvas5Parser.cxx:2176
Canvas5Parser::readArray9
bool readArray9(std::shared_ptr< Canvas5Structure::Stream > stream, std::string const &what, DataFunction const &func=&Canvas5Parser::defDataFunction)
try to read an array: v9
Definition Canvas5Parser.cxx:3358
Canvas5Parser::readObjectDBRsrc
bool readObjectDBRsrc(std::shared_ptr< Canvas5Structure::Stream > stream)
try to read the object database: XOBD v6
Definition Canvas5Parser.cxx:2234
Canvas5Parser::readInteger
int readInteger(Canvas5Structure::Stream &stream, int fieldSize) const
try to read a int: either a cast a double: fieldSize=8 or a int32/int16
Definition Canvas5Parser.cxx:2906
Canvas5Parser::stringDataFunction
static void stringDataFunction(std::shared_ptr< Canvas5Structure::Stream > stream, Item const &item, std::string const &what)
the default function to parse a string
Definition Canvas5Parser.cxx:3121
Canvas5Parser::getTextLink
librevenge::RVNGString getTextLink(int textLinkId) const
returns the link corresponding to a text id
Definition Canvas5Parser.cxx:208
Canvas5Parser::readDefined
bool readDefined(Canvas5Structure::Stream &stream, std::vector< bool > &defined, std::string const &what)
try to read the defined list
Definition Canvas5Parser.cxx:3247
Canvas5Parser::createDocument
void createDocument(librevenge::RVNGDrawingInterface *documentInterface)
creates the listener which will be associated to the document
Definition Canvas5Parser.cxx:253
Canvas5Parser::checkHeader
bool checkHeader(MWAWHeader *header, bool strict=false) final
checks if the document header is correct (or not)
Definition Canvas5Parser.cxx:2718
Canvas5Parser::~Canvas5Parser
~Canvas5Parser() final
destructor
Definition Canvas5Parser.cxx:198
Canvas5Parser::checkTAG9
bool checkTAG9(Canvas5Structure::Stream &stream, std::string const &tag, int type)
try to check is the following is a tag: v9
Definition Canvas5Parser.cxx:3510
Canvas5Parser::readSlides
bool readSlides(std::shared_ptr< Canvas5Structure::Stream > stream)
try to read the list of slides
Definition Canvas5Parser.cxx:2392
Canvas5Parser::readPnot
bool readPnot(Canvas5Structure::Stream &stream, MWAWEntry const &entry)
read the RSRC 0 pnot zone
Definition Canvas5Parser.cxx:2784
Canvas5Parser::send
bool send(Canvas5ParserInternal::Slide const &slide)
try to send a page/slide
Definition Canvas5Parser.cxx:2856
Canvas5Parser::readDocumentSettings
bool readDocumentSettings(std::shared_ptr< Canvas5Structure::Stream > stream)
read the document settings
Definition Canvas5Parser.cxx:1774
Canvas5Parser::isWindowsFile
bool isWindowsFile() const
returns true if the file is a windows file
Definition Canvas5Parser.cxx:202
Canvas5Parser::getTAG9
bool getTAG9(Canvas5Structure::Stream &stream, std::string &tag, int &type)
try to return a tag, type:0 means begin, type:1 means end: v9
Definition Canvas5Parser.cxx:3543
Canvas5Parser::defDataFunction
static void defDataFunction(std::shared_ptr< Canvas5Structure::Stream >, Item const &, std::string const &)
the default function to parse the data of a index map/a extended header
Definition Canvas5Parser.hxx:208
Canvas5Parser::readExtendedHeader
bool readExtendedHeader(std::shared_ptr< Canvas5Structure::Stream > stream, int expectedValue, std::string const &what, DataFunction const &func)
try to read an extended data header, ie.
Definition Canvas5Parser.cxx:3040
Canvas5Parser::readPrinterRsrc
bool readPrinterRsrc(Canvas5Structure::Stream &stream)
try to read a printer rsrc
Definition Canvas5Parser.cxx:2015
Canvas5Parser::readFileHeader
bool readFileHeader(std::shared_ptr< Canvas5Structure::Stream > stream)
try to read the file header
Definition Canvas5Parser.cxx:1653
Canvas5Parser::Canvas5Parser
Canvas5Parser(MWAWInputStreamPtr const &input, MWAWRSRCParserPtr const &rsrcParser, MWAWHeader *header)
constructor
Definition Canvas5Parser.cxx:179
Canvas5Parser::parse
void parse(librevenge::RVNGDrawingInterface *documentInterface) final
virtual function used to parse the input
Definition Canvas5Parser.cxx:221
Canvas5Parser::readDouble
bool readDouble(Canvas5Structure::Stream &stream, double &val, bool &isNaN) const
try to read a double 8
Definition Canvas5Parser.cxx:2959
Canvas5Parser::Canvas5StyleManager
friend class Canvas5StyleManager
Definition Canvas5Parser.hxx:75
Canvas5Parser::DataFunction
std::function< void(std::shared_ptr< Canvas5Structure::Stream >, Item const &, std::string const &)> DataFunction
a function used to parse the data of a index map/a extended header
Definition Canvas5Parser.hxx:206
Canvas5Parser::readPicture
bool readPicture(Canvas5Structure::Stream &stream, MWAWEntry const &entry)
read the RSRC Pict zone
Definition Canvas5Parser.cxx:2812
Canvas5Parser::readFileDesc
bool readFileDesc(Canvas5Structure::Stream &stream)
try to read the last block: some pathes, ...
Definition Canvas5Parser.cxx:1592
Canvas5Parser::decode
static MWAWInputStreamPtr decode(MWAWInputStreamPtr input, int version)
try to decode the input stream
Definition Canvas5Parser.cxx:3599
Canvas5Parser::readIndexMap
bool readIndexMap(std::shared_ptr< Canvas5Structure::Stream > stream, std::string const &what, DataFunction const &func=&Canvas5Parser::defDataFunction)
try to read a index map
Definition Canvas5Parser.cxx:3140
Canvas5Parser::readDataHeader
bool readDataHeader(Canvas5Structure::Stream &stream, int expectedSize, int &N)
try to read a data header, ie. N fields with a given size
Definition Canvas5Parser.cxx:3019
Canvas5Parser::readLayers
bool readLayers(std::shared_ptr< Canvas5Structure::Stream > stream)
try to read the different layers
Definition Canvas5Parser.cxx:1908
Canvas5Parser::readItemHeader9
bool readItemHeader9(Canvas5Structure::Stream &stream, int &id, int &used)
try to read an array item header: v9
Definition Canvas5Parser.cxx:3485
Canvas5Parser::createZones
bool createZones()
finds the different objects zones
Definition Canvas5Parser.cxx:381
Canvas5Parser::Canvas5Image
friend class Canvas5Image
Definition Canvas5Parser.hxx:74
Canvas5StyleManager
the main class to read the style part of Canvas 5 file
Definition Canvas5StyleManager.hxx:86
MWAWEntry
basic class to store an entry in a file This contained :
Definition MWAWEntry.hxx:47
MWAWGraphicParser::MWAWGraphicParser
MWAWGraphicParser(MWAWInputStreamPtr const &input, MWAWRSRCParserPtr const &rsrcParser, MWAWHeader *header)
constructor (protected)
Definition MWAWParser.hxx:259
MWAWHeader
a function used by MWAWDocument to store the version of document
Definition MWAWHeader.hxx:57
MWAWParser::version
int version() const
returns the works version
Definition MWAWParser.hxx:108
MWAWRSRCParserPtr
std::shared_ptr< MWAWRSRCParser > MWAWRSRCParserPtr
a smart pointer of MWAWRSRCParser
Definition libmwaw_internal.hxx:561
MWAWInputStreamPtr
std::shared_ptr< MWAWInputStream > MWAWInputStreamPtr
a smart pointer of MWAWInputStream
Definition libmwaw_internal.hxx:551
Canvas5ParserInternal
Internal: the structures of a Canvas5Parser.
Definition Canvas5Parser.cxx:71
Canvas5Structure
a namespace used to define basic function or structure to read a Canvas v5-v11 file
Definition Canvas5BMParser.hxx:64
librevenge
Definition MWAWDocument.hxx:57
Canvas5ParserInternal::Layer
Internal: the layer of a Canvas5Parser.
Definition Canvas5Parser.cxx:90
Canvas5ParserInternal::Slide
Internal: the slide data of a Canvas5Parser.
Definition Canvas5Parser.cxx:73
Canvas5ParserInternal::State
Internal: the state of a Canvas5Parser.
Definition Canvas5Parser.cxx:111
Canvas5Parser::Item
a structure used to store the item data of a Canvas5Parser
Definition Canvas5Parser.hxx:183
Canvas5Parser::Item::Item
Item()
constructor
Definition Canvas5Parser.hxx:185
Canvas5Parser::Item::m_pos
long m_pos
the data beginning position (may be before the current position: v9)
Definition Canvas5Parser.hxx:201
Canvas5Parser::Item::m_length
long m_length
the data length (from current position)
Definition Canvas5Parser.hxx:199
Canvas5Parser::Item::m_decal
int m_decal
the decal position
Definition Canvas5Parser.hxx:203
Canvas5Parser::Item::m_id
int m_id
the identifier
Definition Canvas5Parser.hxx:195
Canvas5Parser::Item::m_type
unsigned m_type
the type (if known)
Definition Canvas5Parser.hxx:197
Canvas5Structure::Stream
a sub stream of Canvas5Structure
Definition Canvas5Structure.hxx:49