packer::Packer Class Reference

Takes care of packing files into a .dat file. More...

#include <Packer.h>

Public Member Functions
	Packer (std::string filePath)
	Create a new packer. More...
void	ReadFileToBuffer (const std::filesystem::path filePath)
	Read a new file into the buffer and write to the packed file. More...
void	WriteTable ()
	Writes a table of contents to the top of the file. More...

Private Member Functions
std::vector< char >	MapToVector ()
bool	fileExists (const std::string &filename)
	Checks if file exists. More...
void	deleteFileIfExists (const std::string &filename)
	Deletes a file if it exists. More...
std::vector< char >	compressBuffer (const std::vector< char > &buffer)
	Perform lossless compression on a buffer using zlib. More...
std::string	getFileType (const std::string &extension)
	Get a file's type based on file extension. More...

Private Attributes
std::map< std::string, std::string >	fileLocMap
	A map containing every file in the package and it's starting location. More...
std::string	outFilePath
std::vector< char >	buffer

Detailed Description

Takes care of packing files into a .dat file.

Constructor & Destructor Documentation

Packer()

Packer::Packer

(

std::string

filePath

)

Create a new packer.

Parameters

filePath

Filepath to the output packed file

Member Function Documentation

compressBuffer()

std::vector< char > Packer::compressBuffer ( const std::vector< char > &  buffer )

private

Perform lossless compression on a buffer using zlib.

Parameters

buffer

The buffer to compress

Referenced by ReadFileToBuffer().

deleteFileIfExists()

void Packer::deleteFileIfExists ( const std::string &  filename )

private

Deletes a file if it exists.

Parameters

filename

File to delete

Referenced by Packer().

fileExists()

bool Packer::fileExists ( const std::string &  filename )

private

Checks if file exists.

Parameters

filename

File to check

Returns

True if file exists

Referenced by deleteFileIfExists().

getFileType()

std::string Packer::getFileType ( const std::string &  extension )

private

Get a file's type based on file extension.

Parameters

extension

The file's extension

Referenced by ReadFileToBuffer().

MapToVector()

std::vector< char > Packer::MapToVector ( )

private

Converts a map to a vector<char>

Returns

first:second

See also

fileLocMap

Referenced by WriteTable().

ReadFileToBuffer()

void Packer::ReadFileToBuffer

(

const std::filesystem::path

filePath

)

Read a new file into the buffer and write to the packed file.

Parameters

filePath

Filepath of the file to pack

Referenced by main().

WriteTable()

void Packer::WriteTable

(

)

Writes a table of contents to the top of the file.

Referenced by main().

Member Data Documentation

buffer

std::vector<char> packer::Packer::buffer

private

Referenced by ReadFileToBuffer().

fileLocMap

std::map<std::string,std::string> packer::Packer::fileLocMap

private

A map containing every file in the package and it's starting location.

Referenced by MapToVector(), ReadFileToBuffer(), and WriteTable().

outFilePath

std::string packer::Packer::outFilePath

private

Referenced by Packer(), ReadFileToBuffer(), and WriteTable().