Changeset 15585 for gsdl/trunk/lib/dbclass.h

Timestamp:

2008-05-20T11:11:51+12:00 (16 years ago)

Author:

mdewsnip

Message:

(Adding new DB support) Added a bunch more functions into the dbclass interface, so we can use it with the userdb class.

File:

• gsdl/trunk/lib/dbclass.h (modified) (2 diffs)

gsdl/trunk/lib/dbclass.h

@@ -54 +54 @@
   virtual ~dbclass();
 
-  void setlogout (ostream *logout_arg) { logout = logout_arg; }
+  void setlogout(ostream *logout_arg) { logout = logout_arg; }
 
   // returns true if opened
@@ -60 +60 @@
   virtual void closedatabase() = 0;
 
+  // returns true if exists
+  virtual bool exists(const text_t& key) = 0;
+
   // returns true on success
-  virtual bool getinfo (const text_t& key, infodbclass &info) = 0;
+  virtual bool getinfo(const text_t& key, infodbclass &info) = 0;
+
+  // returns true on success
+  virtual bool setinfo(const text_t &key, const infodbclass &info) = 0;
 
   // replaces the .c, .p, .n, .l syntax (child, parent, next, previous) 
   // it expects child, parent, etc. to exist if syntax has been used
   // so you should test before using
-  virtual text_t translate_OID (const text_t &OID, infodbclass &info) = 0;
+  virtual text_t translate_OID(const text_t &OID, infodbclass &info) = 0;
+
+  // getfirstkey and getnextkey are used for traversing the database
+  // no insertions or deletions should be carried out while traversing
+  // the database. when there are no keys left to visit in the database
+  // an empty string is returned.
+  virtual text_t getfirstkey() = 0;
+  virtual text_t getnextkey(const text_t &key) = 0;
+
+  virtual void deletekey(const text_t &key) = 0;
 
 protected: