MPQFile Class Reference

#include <mpqfile.h>

Public Member Functions
	MPQFile (HANDLE mpq, const char *filename, bool warnNoExist=true)
	~MPQFile ()
size_t	read (void *dest, size_t bytes)
size_t	getSize ()
size_t	getPos ()
char *	getBuffer ()
char *	getPointer ()
bool	isEof ()
void	seek (int offset)
void	seekRelative (int offset)
void	close ()

Private Member Functions
	MPQFile (const MPQFile &f)
void	operator= (const MPQFile &f)

Private Attributes
bool	eof
char *	buffer
size_t	pointer
size_t	size

Constructor & Destructor Documentation

MPQFile::MPQFile ( const MPQFile &  f )

private

MPQFile::MPQFile	(	HANDLE	mpq,
		const char *	filename,
		bool	warnNoExist = true
	)

 :
 eof(false),
 buffer(0),
 pointer(0),
 size(0)
{
 HANDLE file;
 if (!CascOpenFile(mpq, filename, CASC_LOCALE_ALL, 0, &file))
 {
 if (warnNoExist || GetLastError() != ERROR_FILE_NOT_FOUND)
 fprintf(stderr, "Can't open %s, err=%u!\n", filename, GetLastError());
 eof = true;
 return;
 }

 DWORD hi = 0;
 size = CascGetFileSize(file, &hi);

 if (hi)
 {
 fprintf(stderr, "Can't open %s, size[hi] = %u!\n", filename, uint32(hi));
 CascCloseFile(file);
 eof = true;
 return;
 }

 if (size <= 1)
 {
 fprintf(stderr, "Can't open %s, size = %u!\n", filename, uint32(size));
 CascCloseFile(file);
 eof = true;
 return;
 }

 DWORD read = 0;
 buffer = new char[size];
 if (!CascReadFile(file, buffer, size, &read) || size != read)
 {
 fprintf(stderr, "Can't read %s, size=%u read=%u!\n", filename, uint32(size), uint32(read));
 CascCloseFile(file);
 eof = true;
 return;
 }

 CascCloseFile(file);
}

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MPQFile::~MPQFile ( )

inline

{ close(); }

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Member Function Documentation

void MPQFile::close

(

)

{
 if (buffer) delete[] buffer;
 buffer = 0;
 eof = true;
}

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char* MPQFile::getBuffer ( )

inline

{ return buffer; }

char* MPQFile::getPointer ( )

inline

{ return buffer + pointer; }

size_t MPQFile::getPos ( )

inline

{ return pointer; }

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size_t MPQFile::getSize ( )

inline

{ return size; }

bool MPQFile::isEof ( )

inline

{ return eof; }

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void MPQFile::operator= ( const MPQFile &  f )

private

size_t MPQFile::read	(	void *	dest,
		size_t	bytes
	)

{
 if (eof) return 0;

 size_t rpos = pointer + bytes;
 if (rpos > size) {
 bytes = size - pointer;
 eof = true;
 }

 memcpy(dest, &(buffer[pointer]), bytes);

 pointer = rpos;

 return bytes;
}

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void MPQFile::seek

(

int

offset

)

{
 pointer = offset;
 eof = (pointer >= size);
}

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void MPQFile::seekRelative

(

int

offset

)

{
 pointer += offset;
 eof = (pointer >= size);
}

Member Data Documentation

char* MPQFile::buffer

private

bool MPQFile::eof

private

size_t MPQFile::pointer

private

size_t MPQFile::size

private

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

• src/tools/vmap4_extractor/mpqfile.h
• src/tools/vmap4_extractor/mpqfile.cpp