/* -----------------------------------------------------------------------------
	GSFramework
	Copyright 2001-2013 Emmanuel Julien. All Rights Reserved.
----------------------------------------------------------------------------- */


		#include "filesystem/io_base.h"
		#include "filesystem/io_handle.h"
		#include "memory/nauto_ptr.h"
		#include "nstring/nstring.h"
		#include "hash/nsha1.h"
		#include "log/log.h"

		using GS::String;
		using namespace GS::IO;


//------------------------------------------------------------------------------
bool		Base::FileLoad(const char *uri, GS::Array <char> &buffer)
{
	AutoPtr <Handle> h(Open(uri));
	if	(h.IsNull())
		return false;

	size_t size = h->GetSize();
	if	(!buffer.Allocate(size))
		return false;

	return asbool(h->Read(buffer.c_ptr(), size) == size);
}
bool		Base::FileSave(const char *uri, const GS::Array <char> &buffer)
{
	AutoPtr <Handle> h(Open(uri, ModeWrite));
	if	(h.IsNull())
		return false;

	return asbool(h->Write(buffer.c_ptr(), buffer.GetSize()) == buffer.GetSize());
}
//------------------------------------------------------------------------------

//------------------------------------------------------------------------------
bool		Base::Exists(const char *uri)
{
	AutoPtr <Handle> h(Open(uri, ModeRead));
	return h.IsValid();
}
String		Base::Hash(const char *uri)
{
	Array <char> data;
	return FileLoad(uri, data) ? SHA1::ComputeHexa(data) : String();
}
//------------------------------------------------------------------------------

//------------------------------------------------------------------------------
String		Base::MapToAbsolute(const char *uri) const
{	return String(uri);	}
String		Base::MapToRelative(const char *path) const
{	return String(path);	}
//------------------------------------------------------------------------------