genesis-3d_engine/Engine/foundation/io/android/androidarchivefilesystem.cc

/****************************************************************************
Copyright (c) 2011-2013,WebJet Business Division,CYOU
 
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#ifdef __ANDROID__
#include "stdneb.h"
#include "androidarchivefilesystem.h"
#include "io/zipfs/zipfilesystem.h"
#include "io/ioserver.h"
#include "io/archfs/archive.h"
#include "io/zipfs/zipfilestream.h"

namespace Android
{
	__ImplementClass(Android::AndroidArchiveFileSystem, 'AAFS', IO::ArchiveFileSystemBase);
	__ImplementImageSingleton(AndroidArchiveFileSystem);
	using namespace IO;
	using namespace Util;
AndroidArchiveFileSystem::AndroidArchiveFileSystem()
{
	__ConstructImageSingleton;
}

AndroidArchiveFileSystem::~AndroidArchiveFileSystem()
{
	if (this->IsValid())
	{
		this->Discard();
	}
	__DestructImageSingleton;
}

void AndroidArchiveFileSystem::Setup()
{
	n_assert(!this->IsValid());
	ArchiveFileSystemBase::Setup();
	SchemeRegistry::Instance()->RegisterUriScheme("zip", ZipFileStream::RTTI);
}

void AndroidArchiveFileSystem::Discard()
{
	n_assert(this->IsValid());
	SchemeRegistry::Instance()->UnregisterUriScheme("zip");
	ArchiveFileSystemBase::Discard();
}

GPtr<Archive> AndroidArchiveFileSystem::FindArchiveWithFile( const URI& uri ) const
{
	// get the local path from the URI
	String localPath = AssignRegistry::Instance()->ResolveAssigns(uri).LocalPath();
	n_assert(localPath.IsValid());

	// check each mounted archive
	GPtr<ZipArchive> result;
	this->critSect.Enter();
	IndexT i;
	for (i = 0; (i < this->archives.Size()) && (!result.isvalid()); i++)
	{
		const GPtr<ZipArchive>& arch = this->archives.ValueAtIndex(i).cast<ZipArchive>();
		String pathInZipArchive = arch->ConvertToPathInArchive(localPath);
		if (pathInZipArchive.IsValid())
		{
			if (0 != arch->FindFileEntry(pathInZipArchive))
			{
				result = arch;
				break;
			}
		}
	}
	this->critSect.Leave(); 

	// result may be invalid pointer at this point
	return result.cast<Archive>();
}

GPtr<Archive> AndroidArchiveFileSystem::FindArchiveWithDir( const URI& uri ) const
{
	// get the local path from the URI
	String localPath = AssignRegistry::Instance()->ResolveAssigns(uri).LocalPath();
	n_assert(localPath.IsValid());

	// check each mounted archive
	GPtr<ZipArchive> result;
	this->critSect.Enter();
	IndexT i;
	for (i = 0; (i < this->archives.Size()) && (!result.isvalid()); i++)
	{
		const GPtr<ZipArchive>& arch = this->archives.ValueAtIndex(i).cast<ZipArchive>();
		String pathInZipArchive = arch->ConvertToPathInArchive(localPath);
		if (pathInZipArchive.IsValid())
		{
			if (0 != arch->FindDirEntry(pathInZipArchive))
			{
				result = arch;
				break;
			}
		}
	}
	this->critSect.Leave(); 

	// result may be invalid pointer at this point
	return result.cast<Archive>();
}

}
#endif