MPQFile Class Reference

#include "mpq_libmpq04.h"

Public Member Functions
	MPQFile (const char *filename)
	~MPQFile ()
std::size_t	read (void *dest, std::size_t bytes)
std::size_t	getSize ()
std::size_t	getPos ()
char *	getBuffer ()
char *	getPointer ()
bool	isEof ()
void	seek (int offset)
void	seekRelative (int offset)
void	close ()
	MPQFile (const char *filename)
	~MPQFile ()
std::size_t	read (void *dest, std::size_t bytes)
std::size_t	getSize ()
std::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 &)
void	operator= (const MPQFile &)
	MPQFile (const MPQFile &)
void	operator= (const MPQFile &)

Private Attributes
bool	eof
char *	buffer
libmpq__off_t	pointer
libmpq__off_t	size

Detailed Description

Constructor & Destructor Documentation

MPQFile() [1/4]

MPQFile::MPQFile ( const MPQFile &  )

inlineprivate

{}

MPQFile() [2/4]

MPQFile::MPQFile

(

const char *

filename

)

                                    :
    eof(false),
    buffer(nullptr),
    pointer(0),
    size(0)
{
    for (auto & gOpenArchive : gOpenArchives)
    {
        mpq_archive* mpq_a = gOpenArchive->mpq_a;
 
        uint32_t filenum;
        if (libmpq__file_number(mpq_a, filename, &filenum)) continue;
        libmpq__off_t transferred;
        libmpq__file_unpacked_size(mpq_a, filenum, &size);
 
        // HACK: in patch.mpq some files don't want to open and give 1 for filesize
        if (size <= 1)
        {
            //            printf("warning: file %s has size %d; cannot read.\n", filename, size);
            eof = true;
            buffer = nullptr;
            return;
        }
        buffer = new char[size];
 
        //libmpq_file_getdata
        libmpq__file_read(mpq_a, filenum, (unsigned char*)buffer, size, &transferred);
        /*libmpq_file_getdata(&mpq_a, hash, fileno, (unsigned char*)buffer);*/
        return;
    }
    eof = true;
    buffer = nullptr;
}

References buffer, eof, gOpenArchives, and size.

~MPQFile() [1/2]

MPQFile::~MPQFile ( )

inline

{ close(); }

References close().

MPQFile() [3/4]

MPQFile::MPQFile ( const MPQFile &  )

inlineprivate

{}

MPQFile() [4/4]

MPQFile::MPQFile

(

const char *

filename

)

~MPQFile() [2/2]

MPQFile::~MPQFile ( )

inline

{ close(); }

References close().

Member Function Documentation

close() [1/2]

void MPQFile::close

(

)

{
    delete[] buffer;
    buffer = nullptr;
    eof = true;
}

References buffer, and eof.

Referenced by ADTFile::init(), WDTFile::init(), FileLoader::loadFile(), DBCFile::open(), Model::open(), WMORoot::open(), WMOGroup::open(), ReadBuild(), ADTFile::~ADTFile(), ~MPQFile(), and WDTFile::~WDTFile().

close() [2/2]

void MPQFile::close

(

)

getBuffer() [1/2]

char * MPQFile::getBuffer ( )

inline

{ return buffer; }

References buffer.

Referenced by Model::open().

getBuffer() [2/2]

char * MPQFile::getBuffer ( )

inline

{ return buffer; }

References buffer.

getPointer() [1/2]

char * MPQFile::getPointer ( )

inline

{ return buffer + pointer; }

References buffer, and pointer.

Referenced by ExtractFile(), WMORoot::open(), and ReadBuild().

getPointer() [2/2]

char * MPQFile::getPointer ( )

inline

{ return buffer + pointer; }

References buffer, and pointer.

getPos() [1/2]

std::size_t MPQFile::getPos ( )

inline

{ return pointer; }

References pointer.

Referenced by ADTFile::init(), WDTFile::init(), WMORoot::open(), and WMOGroup::open().

getPos() [2/2]

std::size_t MPQFile::getPos ( )

inline

{ return pointer; }

References pointer.

getSize() [1/2]

std::size_t MPQFile::getSize ( )

inline

{ return size; }

References size.

Referenced by ExtractFile(), FileLoader::loadFile(), and ReadBuild().

getSize() [2/2]

std::size_t MPQFile::getSize ( )

inline

{ return size; }

References size.

isEof() [1/2]

bool MPQFile::isEof ( )

inline

{ return eof; }

References eof.

Referenced by ExtractFile(), ADTFile::init(), WDTFile::init(), FileLoader::loadFile(), Model::open(), WMORoot::open(), WMOGroup::open(), and ReadBuild().

isEof() [2/2]

bool MPQFile::isEof ( )

inline

{ return eof; }

References eof.

operator=() [1/2]

void MPQFile::operator= ( const MPQFile &  )

inlineprivate

{}

operator=() [2/2]

void MPQFile::operator= ( const MPQFile &  )

inlineprivate

{}

read() [1/2]

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

{
    if (eof) return 0;
 
    std::size_t rpos = pointer + bytes;
    if (rpos > std::size_t(size))
    {
        bytes = size - pointer;
        eof = true;
    }
 
    memcpy(dest, &(buffer[pointer]), bytes);
 
    pointer = rpos;
 
    return bytes;
}

References buffer, eof, pointer, and size.

Referenced by ADTFile::init(), WDTFile::init(), FileLoader::loadFile(), DBCFile::open(), Model::open(), WMORoot::open(), and WMOGroup::open().

read() [2/2]

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

seek() [1/2]

void MPQFile::seek

(

int

offset

)

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

References eof, pointer, and size.

Referenced by ADTFile::init(), WDTFile::init(), Model::open(), WMORoot::open(), and WMOGroup::open().

seek() [2/2]

void MPQFile::seek

(

int

offset

)

seekRelative() [1/2]

void MPQFile::seekRelative

(

int

offset

)

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

References eof, pointer, and size.

Referenced by Model::open().

seekRelative() [2/2]

void MPQFile::seekRelative

(

int

offset

)

Member Data Documentation

buffer

char * MPQFile::buffer

private

Referenced by close(), getBuffer(), getPointer(), MPQFile(), and read().

eof

bool MPQFile::eof

private

Referenced by close(), isEof(), MPQFile(), read(), seek(), and seekRelative().

pointer

libmpq__off_t MPQFile::pointer

private

Referenced by getPointer(), getPos(), read(), seek(), and seekRelative().

size

libmpq__off_t MPQFile::size

private

Referenced by getSize(), MPQFile(), read(), seek(), and seekRelative().