FileChunk Class Reference

#include <loadlib.h>

Public Member Functions
	FileChunk (uint8 *data_, uint32 size_)
	~FileChunk ()
template<class T >
T *	As ()
void	parseSubChunks ()
FileChunk *	GetSubChunk (std::string const &name)

Public Attributes
uint8 *	data
uint32	size
std::multimap< std::string, FileChunk * >	subchunks

Constructor & Destructor Documentation

FileChunk::FileChunk ( uint8 *  data_, uint32  size_  )

inline

: data(data_), size(size_) { }

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FileChunk::~FileChunk

(

)

{
 for (auto subchunk : subchunks)
 delete subchunk.second;

 subchunks.clear();
}

Member Function Documentation

template<class T >

T* FileChunk::As ( )

inline

{ return (T*)data; }

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FileChunk * FileChunk::GetSubChunk

(

std::string const &

name

)

{
 auto range = subchunks.equal_range(name);
 if (std::distance(range.first, range.second) == 1)
 return range.first->second;

 return NULL;
}

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void FileChunk::parseSubChunks

(

)

{
 uint8* ptr = data + 8; // skip self
 while (ptr < data + size)
 {
 u_map_fcc header = *(u_map_fcc*)ptr;
 if (IsInterestingChunk(header))
 {
 uint32 subsize = *(uint32*)(ptr + 4);
 if (subsize < size)
 {
 std::swap(header.fcc_txt[0], header.fcc_txt[3]);
 std::swap(header.fcc_txt[1], header.fcc_txt[2]);

 FileChunk* chunk = new FileChunk(ptr, subsize);
 chunk->parseSubChunks();
 subchunks.insert({ std::string(header.fcc_txt, 4), chunk });
 }

 // move to next chunk
 ptr += subsize + 8;
 }
 else
 ++ptr;
 }
}

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Member Data Documentation

uint8* FileChunk::data

uint32 FileChunk::size

std::multimap<std::string, FileChunk*> FileChunk::subchunks

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The documentation for this class was generated from the following files:

• src/tools/map_extractor/loadlib/loadlib.h
• src/tools/map_extractor/loadlib.cpp