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Diffstat (limited to 'Src/replicant/nx/win/NXFileObject.h')
-rw-r--r--Src/replicant/nx/win/NXFileObject.h45
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;
+}; \ No newline at end of file