FileSystemSourceMemory.cpp
No OneTemporary
Actions

Size

1 KB

Referenced Files

None

Subscribers

None

FileSystemSourceMemory.cpp
View Options

	#include <echo/FileSystem/FileSystemSourceMemory.h>
	#include <echo/FileSystem/FileReferenceMemory.h>
	#include <iostream>

	namespace Echo
	{
	FileSystemSourceMemory::FileSystemSourceMemory(const std::string& identifier) : FileSystemSource(identifier)
	{
	}

	FileSystemSourceMemory::~FileSystemSourceMemory()
	{

	}

	File FileSystemSourceMemory::_Open(const std::string& originalFileName, const std::string&, File::OpenMode openMode)
	{
	if(openMode!=File::OpenModes::READ)
	{
	return File();
	}

	//format is
	//address:size
	size_t colon=originalFileName.find_first_of(':');
	size_t dataSize=0;
	//cull the size portion
	std::string fileAddress;
	if(colon!=std::string::npos)
	{
	std::string dataSizeString=originalFileName.substr(colon+1);
	//if(dataSize.length()>2 && dataSize.substr(0,2)=="0x")
	//else
	dataSize=atoi(dataSizeString.c_str());
	fileAddress=originalFileName.substr(0,colon);
	}else
	{
	fileAddress=originalFileName;
	}

	size_t addr=static_cast<size_t>(atol(fileAddress.c_str()));

	if(addr==0)
	{
	ECHO_LOG_ERROR("FileSystemSourceMemory: " << fileAddress << " > 0x" << std::hex << addr << ": 0x" << dataSize << std::dec << " invalid address.");
	return CreateFile(originalFileName,originalFileName);
	}
	ECHO_LOG_DEBUG("FileSystemSourceMemory: " << fileAddress << " > 0x" << std::hex << addr << ": 0x" << dataSize << std::dec);
	return CreateFile(originalFileName,originalFileName,shared_ptr<FileReferenceMemory>(new FileReferenceMemory(this,reinterpret_cast<void>(addr),dataSize)));
	}
	}