Changeset 35

Timestamp:

11/07/07 20:00:21 (10 months ago)

Author:

nlawren2

Message:

Added write functions to the db api

Files:

• vowfsc/db.h (modified) (2 diffs)
• vowfsc/stream.db (added)
• vowfsc/xdelta.h (added)

vowfsc/db.h

@@ -28 +28 @@
-};
-
+typedef struct stream stream;
+struct stream{
+#define db( type, name ) type name;
+#define db_string( name ) char *name;
+#include "stream.db"
+};
-
-/* Given a file path, db_get_file_id splits it into
@@ -59 +65 @@
-
-
+/* Permissions and/or other meta data is stored in
+ * the file's stream.  These functions work like
+ * db_get_file_data
+ */
+char *db_get_file_stream( int file_id ); // TODO
+char *db_get_file_stream( int file_id, int revision ); // TODO
+
+
+/* Sets the delete flag in the file
+ */
+int db_remove_file(int file_id); // TODO
+
+
+/* This creates a blank file for writing.  If the file
+ * allready exists, then it removes the delete flag and
+ * revisions it.  
+ */
+int db_create_file(char *file_name, char *file_path, stream data); // TODO
+
+
+/* Branches a file by creating a new file based on a
+ * given revision and a file_id.  This is used for 
+ * moving files to new directories, etc.  If either
+ * new_file_name OR new_file_path is NULL,
+ * db_branch_file uses the name OR path of the old 
+ * file.  YOU CANNOT PASS NULL FOR BOTH.
+ *
+ * db_branch_file returns the file_id of the new
+ * file or NULL in the case of a failture.
+ */
+int db_branch_file(int file_id, int revision, char *new_file_name, char *new_file_path ); // TODO
+
+/* For revisioning an existing file, this function
+ * modifies the data in an existing file given by 
+ * file_id
+ */
+int db_modify_file_data(int file_id, char *data); // TODO
+
+
+/* For changing the permissions on an existing file
+ * modifies the stream in an existing file given by 
+ * file_id.  
+ */
+int db_modify_file_stream(int file_id, stream data); // TODO
-
-