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Unified Diff: ppapi/c/dev/ppb_file_io_dev.h

Issue 7387011: Clean up the file dev interfaces. The combination of some dev and some non (Closed) Base URL: svn://chrome-svn/chrome/trunk/src/
Patch Set: '' Created 9 years, 5 months ago
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Index: ppapi/c/dev/ppb_file_io_dev.h
===================================================================
--- ppapi/c/dev/ppb_file_io_dev.h (revision 92658)
+++ ppapi/c/dev/ppb_file_io_dev.h (working copy)
@@ -5,115 +5,11 @@
#ifndef PPAPI_C_DEV_PPB_FILE_IO_DEV_H_
#define PPAPI_C_DEV_PPB_FILE_IO_DEV_H_
-#include "ppapi/c/pp_bool.h"
-#include "ppapi/c/pp_instance.h"
-#include "ppapi/c/pp_macros.h"
-#include "ppapi/c/pp_resource.h"
-#include "ppapi/c/pp_stdint.h"
-#include "ppapi/c/pp_time.h"
+#include "ppapi/c/ppb_file_io.h"
-struct PP_CompletionCallback;
-struct PP_FileInfo_Dev;
-
-typedef enum {
- // Requests read access to a file.
- PP_FILEOPENFLAG_READ = 1 << 0,
-
- // Requests write access to a file. May be combined with
- // PP_FILEOPENFLAG_READ to request read and write access.
- PP_FILEOPENFLAG_WRITE = 1 << 1,
-
- // Requests that the file be created if it does not exist. If the file
- // already exists, then this flag is ignored unless PP_FILEOPENFLAG_EXCLUSIVE
- // was also specified, in which case FileIO::Open will fail.
- PP_FILEOPENFLAG_CREATE = 1 << 2,
-
- // Requests that the file be truncated to length 0 if it exists and is a
- // regular file. PP_FILEOPENFLAG_WRITE must also be specified.
- PP_FILEOPENFLAG_TRUNCATE = 1 << 3,
-
- // Requests that the file is created when this flag is combined with
- // PP_FILEOPENFLAG_CREATE. If this flag is specified, and the file already
- // exists, then the FileIO::Open call will fail.
- PP_FILEOPENFLAG_EXCLUSIVE = 1 << 4
-} PP_FileOpenFlags_Dev;
-PP_COMPILE_ASSERT_SIZE_IN_BYTES(PP_FileOpenFlags_Dev, 4);
-
#define PPB_FILEIO_DEV_INTERFACE_0_4 "PPB_FileIO(Dev);0.4"
#define PPB_FILEIO_DEV_INTERFACE PPB_FILEIO_DEV_INTERFACE_0_4
-// Use this interface to operate on a regular file (PP_FileType_Regular).
-struct PPB_FileIO_Dev {
- // Creates a new FileIO object. Returns 0 if the module is invalid.
- PP_Resource (*Create)(PP_Instance instance);
+typedef struct PPB_FileIO PPB_FileIO_Dev;
- // Returns PP_TRUE if the given resource is a FileIO. Returns PP_FALSE if the
- // resource is invalid or some type other than a FileIO.
- PP_Bool (*IsFileIO)(PP_Resource resource);
-
- // Open the specified regular file for I/O according to the given open flags,
- // which is a bit-mask of the PP_FileOpenFlags values. Upon success, the
- // corresponding file is classified as "in use" by this FileIO object until
- // such time as the FileIO object is closed or destroyed.
- int32_t (*Open)(PP_Resource file_io,
- PP_Resource file_ref,
- int32_t open_flags,
- struct PP_CompletionCallback callback);
-
- // Queries info about the file opened by this FileIO object. Fails if the
- // FileIO object has not been opened.
- int32_t (*Query)(PP_Resource file_io,
- struct PP_FileInfo_Dev* info,
- struct PP_CompletionCallback callback);
-
- // Updates timestamps for the file opened by this FileIO object. Fails if
- // the FileIO object has not been opened.
- int32_t (*Touch)(PP_Resource file_io,
- PP_Time last_access_time,
- PP_Time last_modified_time,
- struct PP_CompletionCallback callback);
-
- // Read from an offset in the file. The size of the buffer must be large
- // enough to hold the specified number of bytes to read. May perform a
- // partial read. Returns the number of bytes read or an error code. If the
- // return value is 0, then it indicates that end-of-file was reached. It is
- // valid to call Read multiple times with a completion callback to queue up
- // parallel reads from the file at different offsets.
- int32_t (*Read)(PP_Resource file_io,
- int64_t offset,
- char* buffer,
- int32_t bytes_to_read,
- struct PP_CompletionCallback callback);
-
- // Write to an offset in the file. May perform a partial write. Returns the
- // number of bytes written or an error code. It is valid to call Write
- // multiple times with a completion callback to queue up parallel writes to
- // the file at different offsets. The FileIO object must have been opened
- // with write access.
- int32_t (*Write)(PP_Resource file_io,
- int64_t offset,
- const char* buffer,
- int32_t bytes_to_write,
- struct PP_CompletionCallback callback);
-
- // Sets the length of the file. If the file size is extended, then the
- // extended area of the file is zero-filled. The FileIO object must have
- // been opened with write access.
- int32_t (*SetLength)(PP_Resource file_io,
- int64_t length,
- struct PP_CompletionCallback callback);
-
- // Flush changes to disk. This call can be very expensive!
- int32_t (*Flush)(PP_Resource file_io,
- struct PP_CompletionCallback callback);
-
- // Cancels any IO that may be pending, and closes the FileIO object. Any
- // pending callbacks will still run, reporting PP_Error_Aborted if pending IO
- // was interrupted. It is NOT valid to call Open again after a call to this
- // method. Note: If the FileIO object is destroyed, and it is still open,
- // then it will be implicitly closed, so you are not required to call the
- // Close method.
- void (*Close)(PP_Resource file_io);
-};
-
#endif /* PPAPI_C_DEV_PPB_FILE_IO_DEV_H_ */

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