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00015 #ifndef VIRTUALFILEMOUNT_H
00016 #define VIRTUALFILEMOUNT_H
00017
00018 #include "pandabase.h"
00019
00020 #include "virtualFile.h"
00021 #include "filename.h"
00022 #include "pointerTo.h"
00023 #include "typedReferenceCount.h"
00024
00025 class VirtualFileSystem;
00026
00027
00028
00029
00030
00031
00032
00033 class EXPCL_PANDAEXPRESS VirtualFileMount : public TypedReferenceCount {
00034 PUBLISHED:
00035 INLINE VirtualFileMount();
00036 virtual ~VirtualFileMount();
00037
00038 INLINE VirtualFileSystem *get_file_system() const;
00039 INLINE const Filename &get_mount_point() const;
00040 INLINE int get_mount_flags() const;
00041
00042 public:
00043 virtual PT(VirtualFile) make_virtual_file(const Filename &local_filename,
00044 const Filename &original_filename,
00045 bool implicit_pz_file,
00046 int open_flags);
00047
00048 virtual bool has_file(const Filename &file) const=0;
00049 virtual bool create_file(const Filename &file);
00050 virtual bool make_directory(const Filename &file);
00051 virtual bool delete_file(const Filename &file);
00052 virtual bool rename_file(const Filename &orig_filename, const Filename &new_filename);
00053 virtual bool copy_file(const Filename &orig_filename, const Filename &new_filename);
00054 virtual bool is_directory(const Filename &file) const=0;
00055 virtual bool is_regular_file(const Filename &file) const=0;
00056 virtual bool is_writable(const Filename &file) const;
00057
00058 virtual bool read_file(const Filename &file, bool do_uncompress,
00059 pvector<unsigned char> &result) const;
00060 virtual bool write_file(const Filename &file, bool do_compress,
00061 const unsigned char *data, size_t data_size);
00062
00063 virtual istream *open_read_file(const Filename &file) const=0;
00064 istream *open_read_file(const Filename &file, bool do_uncompress) const;
00065 virtual void close_read_file(istream *stream) const;
00066
00067 virtual ostream *open_write_file(const Filename &file, bool truncate);
00068 ostream *open_write_file(const Filename &file, bool do_compress, bool truncate);
00069 virtual ostream *open_append_file(const Filename &file);
00070 virtual void close_write_file(ostream *stream);
00071
00072 virtual iostream *open_read_write_file(const Filename &file, bool truncate);
00073 virtual iostream *open_read_append_file(const Filename &file);
00074 virtual void close_read_write_file(iostream *stream);
00075
00076 virtual off_t get_file_size(const Filename &file, istream *stream) const=0;
00077 virtual off_t get_file_size(const Filename &file) const=0;
00078 virtual time_t get_timestamp(const Filename &file) const=0;
00079 virtual bool get_system_info(const Filename &file, SubfileInfo &info);
00080
00081 virtual bool scan_directory(vector_string &contents,
00082 const Filename &dir) const=0;
00083
00084 virtual bool atomic_compare_and_exchange_contents(const Filename &file, string &orig_contents, const string &old_contents, const string &new_contents);
00085 virtual bool atomic_read_contents(const Filename &file, string &contents) const;
00086
00087 PUBLISHED:
00088 virtual void output(ostream &out) const;
00089 virtual void write(ostream &out) const;
00090
00091 protected:
00092 VirtualFileSystem *_file_system;
00093 Filename _mount_point;
00094 int _mount_flags;
00095
00096
00097 public:
00098 virtual TypeHandle get_type() const {
00099 return get_class_type();
00100 }
00101 virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
00102 static TypeHandle get_class_type() {
00103 return _type_handle;
00104 }
00105 static void init_type() {
00106 TypedReferenceCount::init_type();
00107 register_type(_type_handle, "VirtualFileMount",
00108 TypedReferenceCount::get_class_type());
00109 }
00110
00111 private:
00112 static TypeHandle _type_handle;
00113
00114 friend class VirtualFileSystem;
00115 };
00116
00117 INLINE ostream &operator << (ostream &out, const VirtualFileMount &mount);
00118
00119 #include "virtualFileMount.I"
00120
00121 #endif