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- /*
- * Copyright (c) Contributors, http://opensimulator.org/
- * See CONTRIBUTORS.TXT for a full list of copyright holders.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * * Neither the name of the OpenSim Project nor the
- * names of its contributors may be used to endorse or promote products
- * derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
- using System;
- using System.Collections.Generic;
- using System.Reflection;
- using OpenSim.Region.ScriptEngine.Shared;
- using OpenSim.Region.ScriptEngine.Shared.ScriptBase;
- namespace OpenSim.Region.ScriptEngine.XEngine
- {
- public class Executor : ExecutorBase
- {
- // Cache functions by keeping a reference to them in a dictionary
- private Dictionary<string, MethodInfo> Events = new Dictionary<string, MethodInfo>();
- private Dictionary<string, scriptEvents> m_stateEvents = new Dictionary<string, scriptEvents>();
- public Executor(IScript script) : base(script)
- {
- initEventFlags();
- }
- protected override scriptEvents DoGetStateEventFlags(string state)
- {
- //Console.WriteLine("Get event flags for " + state);
- // Check to see if we've already computed the flags for this state
- scriptEvents eventFlags = scriptEvents.None;
- if (m_stateEvents.ContainsKey(state))
- {
- m_stateEvents.TryGetValue(state, out eventFlags);
- return eventFlags;
- }
- Type type=m_Script.GetType();
- // Fill in the events for this state, cache the results in the map
- foreach (KeyValuePair<string, scriptEvents> kvp in m_eventFlagsMap)
- {
- string evname = state + "_event_" + kvp.Key;
- //Console.WriteLine("Trying event "+evname);
- try
- {
- MethodInfo mi = type.GetMethod(evname);
- if (mi != null)
- {
- //Console.WriteLine("Found handler for " + kvp.Key);
- eventFlags |= kvp.Value;
- }
- }
- catch(Exception)
- {
- //Console.WriteLine("Exeption in GetMethod:\n"+e.ToString());
- }
- }
- // Save the flags we just computed and return the result
- if (eventFlags != 0)
- m_stateEvents.Add(state, eventFlags);
- //Console.WriteLine("Returning {0:x}", eventFlags);
- return (eventFlags);
- }
- protected override void DoExecuteEvent(string state, string FunctionName, object[] args)
- {
- // IMPORTANT: Types and MemberInfo-derived objects require a LOT of memory.
- // Instead use RuntimeTypeHandle, RuntimeFieldHandle and RunTimeHandle (IntPtr) instead!
- string EventName = state + "_event_" + FunctionName;
- //#if DEBUG
- // Console.WriteLine("ScriptEngine: Script event function name: " + EventName);
- //#endif
- if (Events.ContainsKey(EventName) == false)
- {
- // Not found, create
- Type type = m_Script.GetType();
- try
- {
- MethodInfo mi = type.GetMethod(EventName);
- Events.Add(EventName, mi);
- }
- catch
- {
- Console.WriteLine("Event {0}not found", EventName);
- // Event name not found, cache it as not found
- Events.Add(EventName, null);
- }
- }
- // Get event
- MethodInfo ev = null;
- Events.TryGetValue(EventName, out ev);
- if (ev == null) // No event by that name!
- {
- //Console.WriteLine("ScriptEngine Can not find any event named: \String.Empty + EventName + "\String.Empty);
- return;
- }
- //cfk 2-7-08 dont need this right now and the default Linux build has DEBUG defined
- #if DEBUG
- //Console.WriteLine("ScriptEngine: Executing function name: " + EventName);
- #endif
- // Found
- ev.Invoke(m_Script, args);
- }
- }
- }
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