historical/toontown-classic.git/panda/include/virtualFileMountAndroidAsset.h
2024-01-16 11:20:27 -06:00

104 lines
2.8 KiB
C++

/**
* PANDA 3D SOFTWARE
* Copyright (c) Carnegie Mellon University. All rights reserved.
*
* All use of this software is subject to the terms of the revised BSD
* license. You should have received a copy of this license along
* with this source code in a file named "LICENSE."
*
* @file virtualFileMountAndroidAsset.h
* @author rdb
* @date 2013-01-21
*/
#ifndef VIRTUALFILEMOUNTANDROIDASSET_H
#define VIRTUALFILEMOUNTANDROIDASSET_H
#ifdef ANDROID
#include "pandabase.h"
#include "virtualFileMount.h"
#include "multifile.h"
#include "pointerTo.h"
#include <android/asset_manager.h>
/**
* Maps a Multifile's contents into the VirtualFileSystem.
*/
class EXPCL_PANDA_EXPRESS VirtualFileMountAndroidAsset : public VirtualFileMount {
PUBLISHED:
INLINE VirtualFileMountAndroidAsset(AAssetManager *mgr, const std::string &apk_path);
virtual ~VirtualFileMountAndroidAsset();
public:
int get_fd(const Filename &file, off_t *start, off_t *end) const;
virtual bool has_file(const Filename &file) const;
virtual bool is_directory(const Filename &file) const;
virtual bool is_regular_file(const Filename &file) const;
virtual bool read_file(const Filename &file, bool do_uncompress,
vector_uchar &result) const;
virtual std::istream *open_read_file(const Filename &file) const;
virtual std::streamsize get_file_size(const Filename &file, std::istream *stream) const;
virtual std::streamsize get_file_size(const Filename &file) const;
virtual time_t get_timestamp(const Filename &file) const;
virtual bool get_system_info(const Filename &file, SubfileInfo &info);
virtual bool scan_directory(vector_string &contents,
const Filename &dir) const;
private:
AAssetManager *_asset_mgr;
std::string _apk_path;
class AssetStream : public std::istream {
public:
INLINE AssetStream(AAsset *asset);
virtual ~AssetStream();
};
class AssetStreamBuf : public std::streambuf {
public:
AssetStreamBuf(AAsset *asset);
virtual ~AssetStreamBuf();
virtual std::streampos seekoff(std::streamoff off, ios_seekdir dir, ios_openmode which);
virtual std::streampos seekpos(std::streampos pos, ios_openmode which);
protected:
virtual int underflow();
private:
AAsset *_asset;
off_t _offset;
friend class VirtualFileMountAndroidAsset;
};
public:
virtual TypeHandle get_type() const {
return get_class_type();
}
virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
static TypeHandle get_class_type() {
return _type_handle;
}
static void init_type() {
VirtualFileMount::init_type();
register_type(_type_handle, "VirtualFileMountAndroidAsset",
VirtualFileMount::get_class_type());
}
private:
static TypeHandle _type_handle;
};
#include "virtualFileMountAndroidAsset.I"
#endif // ANDROID
#endif