Bullet Collision Detection & Physics Library
bFile.h
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1 /*
2 bParse
3 Copyright (c) 2006-2009 Charlie C & Erwin Coumans http://gamekit.googlecode.com
4 
5 This software is provided 'as-is', without any express or implied warranty.
6 In no event will the authors be held liable for any damages arising from the use of this software.
7 Permission is granted to anyone to use this software for any purpose,
8 including commercial applications, and to alter it and redistribute it freely,
9 subject to the following restrictions:
10 
11 1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required.
12 2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
13 3. This notice may not be removed or altered from any source distribution.
14 */
15 
16 #ifndef __BFILE_H__
17 #define __BFILE_H__
18 
19 #include "bCommon.h"
20 #include "bChunk.h"
21 #include <stdio.h>
22 
23 namespace bParse
24 {
25 // ----------------------------------------------------- //
27 {
29  FD_OK = 1,
38 };
39 
41 {
46 };
47 // ----------------------------------------------------- //
48 class bFile
49 {
50 protected:
51  char m_headerString[7];
52 
54  char* mFileBuffer;
55  int mFileLen;
56  int mVersion;
57 
59 
63 
66 
69 
70  //
71 
73 
74  int mFlags;
75 
76  // ////////////////////////////////////////////////////////////////////////////
77 
78  // buffer offset util
79  int getNextBlock(bChunkInd* dataChunk, const char* dataPtr, const int flags);
80  void safeSwapPtr(char* dst, const char* src);
81 
82  virtual void parseHeader();
83 
84  virtual void parseData() = 0;
85 
87  void resolvePointersChunk(const bChunkInd& dataChunk, int verboseMode);
88 
89  int resolvePointersStructRecursive(char* strcPtr, int old_dna, int verboseMode, int recursion);
90  //void swapPtr(char *dst, char *src);
91 
92  void parseStruct(char* strcPtr, char* dtPtr, int old_dna, int new_dna, bool fixupPointers);
93  void getMatchingFileDNA(short* old, const char* lookupName, const char* lookupType, char* strcData, char* data, bool fixupPointers);
94  char* getFileElement(short* firstStruct, char* lookupName, char* lookupType, char* data, short** foundPos);
95 
96  void swap(char* head, class bChunkInd& ch, bool ignoreEndianFlag);
97  void swapData(char* data, short type, int arraySize, bool ignoreEndianFlag);
98  void swapStruct(int dna_nr, char* data, bool ignoreEndianFlag);
99  void swapLen(char* dataPtr);
100  void swapDNA(char* ptr);
101 
102  char* readStruct(char* head, class bChunkInd& chunk);
103  char* getAsString(int code);
104 
105  virtual void parseInternal(int verboseMode, char* memDna, int memDnaLength);
106 
107 public:
108  bFile(const char* filename, const char headerString[7]);
109 
110  //todo: make memoryBuffer const char
111  //bFile( const char *memoryBuffer, int len);
112  bFile(char* memoryBuffer, int len, const char headerString[7]);
113  virtual ~bFile();
114 
116  {
117  return mFileDNA;
118  }
119 
120  virtual void addDataBlock(char* dataBlock) = 0;
121 
122  int getFlags() const
123  {
124  return mFlags;
125  }
126 
128  {
130  }
131 
133  {
134  return mLibPointers;
135  }
136 
137  void* findLibPointer(void* ptr);
138 
139  bool ok();
140 
141  virtual void parse(int verboseMode) = 0;
142 
143  virtual int write(const char* fileName, bool fixupPointers = false) = 0;
144 
145  virtual void writeChunks(FILE* fp, bool fixupPointers);
146 
147  virtual void writeDNA(FILE* fp) = 0;
148 
149  void updateOldPointers();
150  void resolvePointers(int verboseMode);
151 
152  void dumpChunks(bDNA* dna);
153 
154  virtual void setFileDNA(int verboseMode, char* buffer, int len);
155 
156  int getVersion() const
157  {
158  return mVersion;
159  }
160  //pre-swap the endianness, so that data loaded on a target with different endianness doesn't need to be swapped
161  void preSwap();
162  void writeFile(const char* fileName);
163 };
164 } // namespace bParse
165 
166 #endif //__BFILE_H__
bParse::bFile::swap
void swap(char *head, class bChunkInd &ch, bool ignoreEndianFlag)
Definition: bFile.cpp:307
bParse::bFile::ok
bool ok()
Definition: bFile.cpp:177
bParse::bFile
Definition: bFile.h:48
bParse::bFile::mOwnsBuffer
bool mOwnsBuffer
Definition: bFile.h:53
bParse::FD_FILEDNA_IS_MEMDNA
Definition: bFile.h:37
bParse::FD_VERBOSE_DUMP_FILE_INFO
Definition: bFile.h:45
bParse::bFile::addDataBlock
virtual void addDataBlock(char *dataBlock)=0
bChunk.h
bCommon.h
bParse::bFile::m_pointerFixupArray
btAlignedObjectArray< char * > m_pointerFixupArray
Definition: bFile.h:64
bParse::bFile::dumpChunks
void dumpChunks(bDNA *dna)
Definition: bFile.cpp:1457
bParse::bFile::resolvePointersStructRecursive
int resolvePointersStructRecursive(char *strcPtr, int old_dna, int verboseMode, int recursion)
Definition: bFile.cpp:1181
bParse::bFile::writeDNA
virtual void writeDNA(FILE *fp)=0
bParse::bFile::getFileElement
char * getFileElement(short *firstStruct, char *lookupName, char *lookupType, char *data, short **foundPos)
Definition: bFile.cpp:1023
bParse::bFileFlags
bFileFlags
Definition: bFile.h:26
bParse::bFile::swapLen
void swapLen(char *dataPtr)
Definition: bFile.cpp:333
bParse::FD_VOID_IS_8
Definition: bFile.h:30
bParse::bDNA
Definition: bDNA.h:31
bParse::bFile::updateOldPointers
void updateOldPointers()
Definition: bFile.cpp:1447
bParse::bFile::readStruct
char * readStruct(char *head, class bChunkInd &chunk)
Definition: bFile.cpp:618
bParse::bFile::parseData
virtual void parseData()=0
bParse::bFile::writeFile
void writeFile(const char *fileName)
Definition: bFile.cpp:537
bParse::bFile::mFileLen
int mFileLen
Definition: bFile.h:55
bParse::FD_BROKEN_DNA
Definition: bFile.h:36
btHashMap< btHashPtr, bStructHandle * >
bParse::bFile::getNextBlock
int getNextBlock(bChunkInd *dataChunk, const char *dataPtr, const int flags)
Definition: bFile.cpp:1558
bParse::bFile::mVersion
int mVersion
Definition: bFile.h:56
bParse::bFile::bFile
bFile(const char *filename, const char headerString[7])
Definition: bFile.cpp:55
bParse::bFile::mFlags
int mFlags
Definition: bFile.h:74
bParse::bFile::mMemoryDNA
bDNA * mMemoryDNA
Definition: bFile.h:62
bParse::bFile::m_chunks
btAlignedObjectArray< bChunkInd > m_chunks
Definition: bFile.h:67
bParse::bFile::getFileDNA
bDNA * getFileDNA()
Definition: bFile.h:115
bParse::bFile::parseInternal
virtual void parseInternal(int verboseMode, char *memDna, int memDnaLength)
Definition: bFile.cpp:194
bParse::bChunkInd
Definition: bChunk.h:58
bParse::FD_VERBOSE_DUMP_DNA_TYPE_DEFINITIONS
Definition: bFile.h:43
bParse::bFile::parse
virtual void parse(int verboseMode)=0
bParse::bFile::preSwap
void preSwap()
Definition: bFile.cpp:544
bParse::bFile::findLibPointer
void * findLibPointer(void *ptr)
Definition: bFile.cpp:1439
bParse::bFile::swapData
void swapData(char *data, short type, int arraySize, bool ignoreEndianFlag)
Definition: bFile.cpp:853
bParse::bFile::mFileBuffer
char * mFileBuffer
Definition: bFile.h:54
bParse::FD_ENDIAN_SWAP
Definition: bFile.h:31
bParse::bFileVerboseMode
bFileVerboseMode
Definition: bFile.h:40
bParse::bFile::getLibPointers
bPtrMap & getLibPointers()
Definition: bFile.h:132
bParse::bFile::swapStruct
void swapStruct(int dna_nr, char *data, bool ignoreEndianFlag)
Definition: bFile.cpp:1051
bParse::bFile::setFileDNA
virtual void setFileDNA(int verboseMode, char *buffer, int len)
Definition: bFile.cpp:182
btAlignedObjectArray< char * >
bParse::bFile::parseStruct
void parseStruct(char *strcPtr, char *dtPtr, int old_dna, int new_dna, bool fixupPointers)
Definition: bFile.cpp:733
bParse::FD_OK
Definition: bFile.h:29
bParse::bFile::getFlags
int getFlags() const
Definition: bFile.h:122
bParse::bFile::getMatchingFileDNA
void getMatchingFileDNA(short *old, const char *lookupName, const char *lookupType, char *strcData, char *data, bool fixupPointers)
Definition: bFile.cpp:940
bParse::bFile::setFileDNAisMemoryDNA
void setFileDNAisMemoryDNA()
Definition: bFile.h:127
bParse::bFile::parseHeader
virtual void parseHeader()
Definition: bFile.cpp:123
bParse::FD_VERBOSE_EXPORT_XML
Definition: bFile.h:42
bParse::bFile::getVersion
int getVersion() const
Definition: bFile.h:156
bParse::bFile::resolvePointersChunk
void resolvePointersChunk(const bChunkInd &dataChunk, int verboseMode)
this loop only works fine if the Blender DNA structure of the file matches the headerfiles
Definition: bFile.cpp:1165
bParse::bFile::m_pointerPtrFixupArray
btAlignedObjectArray< char * > m_pointerPtrFixupArray
Definition: bFile.h:65
bParse::bFile::mDataStart
int mDataStart
Definition: bFile.h:60
bParse::FD_BITS_VARIES
Definition: bFile.h:33
bParse::FD_VERBOSE_DUMP_CHUNKS
Definition: bFile.h:44
bParse::bFile::mLibPointers
bPtrMap mLibPointers
Definition: bFile.h:58
bParse::bFile::resolvePointers
void resolvePointers(int verboseMode)
Resolve pointers replaces the original pointers in structures, and linked lists by the new in-memory ...
Definition: bFile.cpp:1390
bParse
Definition: btBulletWorldImporter.h:23
bParse::FD_VERSION_VARIES
Definition: bFile.h:34
bParse::bFile::m_chunkPtrPtrMap
btHashMap< btHashPtr, bChunkInd > m_chunkPtrPtrMap
Definition: bFile.h:68
bParse::FD_FILE_64
Definition: bFile.h:32
bParse::bFile::write
virtual int write(const char *fileName, bool fixupPointers=false)=0
bParse::bFile::resolvePointersMismatch
void resolvePointersMismatch()
Definition: bFile.cpp:1099
bParse::bFile::safeSwapPtr
void safeSwapPtr(char *dst, const char *src)
Definition: bFile.cpp:884
bParse::FD_INVALID
Definition: bFile.h:28
bParse::bFile::swapDNA
void swapDNA(char *ptr)
Definition: bFile.cpp:381
bParse::bFile::writeChunks
virtual void writeChunks(FILE *fp, bool fixupPointers)
Definition: bFile.cpp:1498
bParse::bFile::~bFile
virtual ~bFile()
Definition: bFile.cpp:110
bParse::bFile::getAsString
char * getAsString(int code)
bParse::bFile::m_headerString
char m_headerString[7]
Definition: bFile.h:51
bParse::FD_DOUBLE_PRECISION
Definition: bFile.h:35
bParse::bFile::mFileDNA
bDNA * mFileDNA
Definition: bFile.h:61
bParse::bFile::mDataPointers
bPtrMap mDataPointers
Definition: bFile.h:72