public static trace_hook_info from_ptr(IntPtr p)
{
GCHandle h = (GCHandle)p;
trace_hook_info hi = h.Target as trace_hook_info;
return(hi);
}
internal static trace_hook_info from_ptr(IntPtr p)
{
GCHandle h = (GCHandle)p;
trace_hook_info hi = h.Target as trace_hook_info;
// TODO assert(hi._h == h)
return(hi);
}
void ISQLite3Provider.sqlite3_trace(IntPtr db, delegate_trace func, object v)
{
if (_trace_hook != null)
{
// TODO maybe turn off the hook here, for now
_trace_hook.free();
_trace_hook = null;
}
if (func != null)
{
_trace_hook = new trace_hook_info(func, v);
SQLite3RuntimeProvider.sqlite3_trace(db.ToInt64(), Marshal.GetFunctionPointerForDelegate(new callback_trace(trace_hook_bridge)).ToInt64(), _trace_hook.ptr.ToInt64());
}
else
{
SQLite3RuntimeProvider.sqlite3_trace(db.ToInt64(), IntPtr.Zero.ToInt64(), IntPtr.Zero.ToInt64());
}
}
void ISQLite3Provider.sqlite3_trace(IntPtr db, delegate_trace func, object v)
{
if (_trace_hook != null)
{
// TODO maybe turn off the hook here, for now
_trace_hook.free();
_trace_hook = null;
}
if (func != null)
{
_trace_hook = new trace_hook_info(func, v);
NativeMethods.sqlite3_trace(db, trace_hook_bridge, _trace_hook.ptr);
}
else
{
NativeMethods.sqlite3_trace(db, null, IntPtr.Zero);
}
}
static private void trace_hook_bridge(IntPtr p, IntPtr s)
{
trace_hook_info hi = trace_hook_info.from_ptr(p);
hi.call(util.from_utf8(s));
}
void ISQLite3Provider.sqlite3_trace(IntPtr db, delegate_trace func, object v)
{
if (_trace_hook != null)
{
// TODO maybe turn off the hook here, for now
_trace_hook.free();
_trace_hook = null;
}
if (func != null)
{
_trace_hook = new trace_hook_info(func, v);
SQLite3RuntimeProvider.sqlite3_trace(db.ToInt64(), Marshal.GetFunctionPointerForDelegate(new callback_trace(trace_hook_bridge)).ToInt64(), _trace_hook.ptr.ToInt64());
}
else
{
SQLite3RuntimeProvider.sqlite3_trace(db.ToInt64(), IntPtr.Zero.ToInt64(), IntPtr.Zero.ToInt64());
}
}
