122 lines
4.5 KiB
C++
122 lines
4.5 KiB
C++
// Filename: virtualFileMount.h
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// Created by: drose (03Aug02)
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//
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////////////////////////////////////////////////////////////////////
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//
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// PANDA 3D SOFTWARE
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// Copyright (c) Carnegie Mellon University. All rights reserved.
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//
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// All use of this software is subject to the terms of the revised BSD
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// license. You should have received a copy of this license along
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// with this source code in a file named "LICENSE."
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//
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////////////////////////////////////////////////////////////////////
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#ifndef VIRTUALFILEMOUNT_H
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#define VIRTUALFILEMOUNT_H
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#include "pandabase.h"
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#include "virtualFile.h"
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#include "filename.h"
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#include "pointerTo.h"
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#include "typedReferenceCount.h"
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class VirtualFileSystem;
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////////////////////////////////////////////////////////////////////
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// Class : VirtualFileMount
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// Description : The abstract base class for a mount definition used
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// within a VirtualFileSystem. Normally users don't
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// need to monkey with this class directly.
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////////////////////////////////////////////////////////////////////
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class EXPCL_PANDAEXPRESS VirtualFileMount : public TypedReferenceCount {
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PUBLISHED:
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INLINE VirtualFileMount();
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virtual ~VirtualFileMount();
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INLINE VirtualFileSystem *get_file_system() const;
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INLINE const Filename &get_mount_point() const;
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INLINE int get_mount_flags() const;
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public:
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virtual PT(VirtualFile) make_virtual_file(const Filename &local_filename,
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const Filename &original_filename,
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bool implicit_pz_file,
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int open_flags);
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virtual bool has_file(const Filename &file) const=0;
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virtual bool create_file(const Filename &file);
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virtual bool make_directory(const Filename &file);
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virtual bool delete_file(const Filename &file);
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virtual bool rename_file(const Filename &orig_filename, const Filename &new_filename);
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virtual bool copy_file(const Filename &orig_filename, const Filename &new_filename);
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virtual bool is_directory(const Filename &file) const=0;
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virtual bool is_regular_file(const Filename &file) const=0;
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virtual bool is_writable(const Filename &file) const;
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virtual bool read_file(const Filename &file, bool do_uncompress,
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pvector<unsigned char> &result) const;
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virtual bool write_file(const Filename &file, bool do_compress,
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const unsigned char *data, size_t data_size);
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virtual istream *open_read_file(const Filename &file) const=0;
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istream *open_read_file(const Filename &file, bool do_uncompress) const;
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virtual void close_read_file(istream *stream) const;
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virtual ostream *open_write_file(const Filename &file, bool truncate);
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ostream *open_write_file(const Filename &file, bool do_compress, bool truncate);
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virtual ostream *open_append_file(const Filename &file);
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virtual void close_write_file(ostream *stream);
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virtual iostream *open_read_write_file(const Filename &file, bool truncate);
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virtual iostream *open_read_append_file(const Filename &file);
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virtual void close_read_write_file(iostream *stream);
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virtual off_t get_file_size(const Filename &file, istream *stream) const=0;
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virtual off_t get_file_size(const Filename &file) const=0;
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virtual time_t get_timestamp(const Filename &file) const=0;
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virtual bool get_system_info(const Filename &file, SubfileInfo &info);
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virtual bool scan_directory(vector_string &contents,
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const Filename &dir) const=0;
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virtual bool atomic_compare_and_exchange_contents(const Filename &file, string &orig_contents, const string &old_contents, const string &new_contents);
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virtual bool atomic_read_contents(const Filename &file, string &contents) const;
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PUBLISHED:
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virtual void output(ostream &out) const;
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virtual void write(ostream &out) const;
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protected:
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VirtualFileSystem *_file_system;
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Filename _mount_point;
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int _mount_flags;
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public:
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virtual TypeHandle get_type() const {
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return get_class_type();
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}
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virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
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static TypeHandle get_class_type() {
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return _type_handle;
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}
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static void init_type() {
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TypedReferenceCount::init_type();
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register_type(_type_handle, "VirtualFileMount",
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TypedReferenceCount::get_class_type());
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}
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private:
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static TypeHandle _type_handle;
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friend class VirtualFileSystem;
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};
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INLINE ostream &operator << (ostream &out, const VirtualFileMount &mount);
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#include "virtualFileMount.I"
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#endif
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