[Vala] [PATCH 1/1] sqlite3: Add Context and Database.create_function() bindings.

[Julian Andres Klode <jak jak-linux org>]

These bindings make it possible to create custom functions for use
in SQL code.
---
 vapi/sqlite3.vapi |   44 ++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 44 insertions(+), 0 deletions(-)

diff --git a/vapi/sqlite3.vapi b/vapi/sqlite3.vapi
index c9d3e26..90992a6 100644
--- a/vapi/sqlite3.vapi
+++ b/vapi/sqlite3.vapi
@@ -18,6 +18,7 @@
  *
  * Author:
  *     Jürg Billeter <j bitron ch>
+ *     Julian Andres Klode <jak jak-linux org>
  */
 
 [CCode (lower_case_cprefix = "sqlite3_", cheader_filename = "sqlite3.h")]
@@ -49,8 +50,17 @@ namespace Sqlite {
                public void progress_handler (int n_opcodes, Sqlite.ProgressCallback? progress_handler);
                public void commit_hook (CommitCallback? commit_hook);
                public void rollback_hook (RollbackCallback? rollback_hook);
+
+               public int create_function (string name, int nargs, int encoding, void* client_data, 
CustomFunc? func, CustomFunc? step=null, CustomFinal? final=null);
        }
 
+       // No target, since the value of client_data is retrieved by calling
+       // user_data() on the Context object of the callbacks.
+       [CCode (has_target = false)]
+       public delegate void CustomFunc(Context context, [CCode(array_length_pos=1.9)] Value[] args);
+       [CCode (has_target = false)]
+       public delegate void CustomFinal(Context context);
+
        [CCode (instance_pos = 0)]
        public delegate void TraceCallback (string message);
        [CCode (instance_pos = 0)]
@@ -163,6 +173,19 @@ namespace Sqlite {
        [CCode (cname = "SQLITE_MUTEX_RECURSIVE")]
        public const int MUTEX_RECURSIVE;
 
+       [CCode (cname = "SQLITE_UTF8")]
+       public const int UTF8;
+       [CCode (cname = "SQLITE_UTF16LE")]
+       public const int UTF16LE;
+       [CCode (cname = "SQLITE_UTF16BE")]
+       public const int UTF16BE;
+       [CCode (cname = "SQLITE_UTF16")]
+       public const int UTF16;
+       [CCode (cname = "SQLITE_ANY")]
+       public const int ANY;
+       [CCode (cname = "SQLITE_UTF16_ALIGNED")]
+       public const int UTF16_ALIGNED;
+
        /* SQL Statement Object */
        [Compact]
        [CCode (free_function = "sqlite3_finalize", cname = "sqlite3_stmt", cprefix = "sqlite3_")]
@@ -205,5 +228,26 @@ namespace Sqlite {
                public int @try ();
                public void leave ();
        }
+
+       [Compact]
+       [CCode (cname = "sqlite3_context", cprefix="sqlite3_")]
+       public class Context {
+               public void result_blob (void* blob, int size, GLib.DestroyNotify destroy_notify);
+               public void result_double (double result);
+               public void result_error (string message, int length=-1);
+               public void result_error_toobig ();
+               public void result_error_nomem ();
+               public void result_error_code (int error_code);
+               public void result_int (int result);
+               public void result_int64 (int64 result);
+               public void result_null ();
+               public void result_text (string text, int length=-1, GLib.DestroyNotify destroy_notify = 
GLib.g_free);
+               public void result_value (Value value);
+               public void result_zeroblob (int count);
+               public void* aggregate_context (int nbytes);
+               public void* user_data ();
+               public void* get_auxdata (int argument);
+               public void set_auxdata (int argument, void* data, GLib.DestroyNotify destroy_notify);
+       }
 }
 
-- 
1.6.5.4