diff options
Diffstat (limited to 'Src/replicant/nx/win/NXFileObject.h')
-rw-r--r-- | Src/replicant/nx/win/NXFileObject.h | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/Src/replicant/nx/win/NXFileObject.h b/Src/replicant/nx/win/NXFileObject.h new file mode 100644 index 00000000..46683bfa --- /dev/null +++ b/Src/replicant/nx/win/NXFileObject.h @@ -0,0 +1,45 @@ +#pragma once +#include "foundation/types.h" +#include "foundation/error.h" +#include "nx/nxuri.h" +#include "nx/nxfile.h" +#include "nu/nodelist.h" + +struct NXFileRegion : public queue_node_t +{ + uint64_t start; + uint64_t end; +}; + +class NXFileObject +{ +public: + size_t Retain(); + size_t Release(); + ns_error_t LockRegion(uint64_t start, uint64_t end); + ns_error_t UnlockRegion(); + ns_error_t Stat(nx_file_stat_t out_stats); + ns_error_t Length(uint64_t *length); + + virtual ns_error_t Read(void *buffer, size_t bytes_requested, size_t *bytes_read)=0; + virtual ns_error_t Write(const void *buffer, size_t bytes)=0; + virtual ns_error_t PeekByte(uint8_t *byte)=0; + virtual ns_error_t Seek(uint64_t position)=0; + virtual ns_error_t Tell(uint64_t *position)=0; + virtual ns_error_t Sync()=0; + virtual ns_error_t Truncate()=0; + + virtual ns_error_t EndOfFile(); + +protected: + NXFileObject(); + virtual ~NXFileObject(); + + nx_file_stat_s file_stats; + uint64_t position; /* note: this represents absolute position, _not_ position within the region */ + ns_error_t Initialize(nx_uri_t uri); + NXFileRegion region; + nodelist_s region_stack; + nx_uri_t uri; + volatile size_t reference_count; +};
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