/*
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* Tencent is pleased to support the open source community by making xLua available.
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* Copyright (C) 2016 THL A29 Limited, a Tencent company. All rights reserved.
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* Licensed under the MIT License (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at
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* http://opensource.org/licenses/MIT
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* Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.
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*/
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#if USE_UNI_LUA
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using LuaAPI = UniLua.Lua;
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using RealStatePtr = UniLua.ILuaState;
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using LuaCSFunction = UniLua.CSharpFunctionDelegate;
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#else
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using LuaAPI = XLua.LuaDLL.Lua;
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using RealStatePtr = System.IntPtr;
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using LuaCSFunction = XLua.LuaDLL.lua_CSFunction;
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#endif
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using System;
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using System.Collections.Generic;
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using System.Text;
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using System.Collections;
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namespace XLua
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{
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public partial class LuaTable : LuaBase
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{
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public LuaTable(int reference, LuaEnv luaenv) : base(reference, luaenv)
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{
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}
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// no boxing version get
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public void Get<TKey, TValue>(TKey key, out TValue value)
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{
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#if THREAD_SAFE || HOTFIX_ENABLE
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lock (luaEnv.luaEnvLock)
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{
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#endif
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var L = luaEnv.L;
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var translator = luaEnv.translator;
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int oldTop = LuaAPI.lua_gettop(L);
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LuaAPI.lua_getref(L, luaReference);
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translator.PushByType(L, key);
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if (0 != LuaAPI.xlua_pgettable(L, -2))
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{
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string err = LuaAPI.lua_tostring(L, -1);
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LuaAPI.lua_settop(L, oldTop);
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throw new Exception("get field [" + key + "] error:" + err);
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}
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LuaTypes lua_type = LuaAPI.lua_type(L, -1);
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Type type_of_value = typeof(TValue);
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if (lua_type == LuaTypes.LUA_TNIL && type_of_value.IsValueType())
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{
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throw new InvalidCastException("can not assign nil to " + type_of_value);
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}
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try
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{
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translator.Get(L, -1, out value);
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}
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catch (Exception e)
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{
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throw e;
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}
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finally
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{
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LuaAPI.lua_settop(L, oldTop);
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}
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#if THREAD_SAFE || HOTFIX_ENABLE
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}
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#endif
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}
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// no boxing version get
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public bool ContainsKey<TKey>(TKey key)
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{
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#if THREAD_SAFE || HOTFIX_ENABLE
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lock (luaEnv.luaEnvLock)
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{
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#endif
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var L = luaEnv.L;
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var translator = luaEnv.translator;
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int oldTop = LuaAPI.lua_gettop(L);
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LuaAPI.lua_getref(L, luaReference);
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translator.PushByType(L, key);
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if (0 != LuaAPI.xlua_pgettable(L, -2))
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{
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string err = LuaAPI.lua_tostring(L, -1);
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LuaAPI.lua_settop(L, oldTop);
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throw new Exception("get field [" + key + "] error:" + err);
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}
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bool ret = LuaAPI.lua_type(L, -1) != LuaTypes.LUA_TNIL;
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LuaAPI.lua_settop(L, oldTop);
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return ret;
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#if THREAD_SAFE || HOTFIX_ENABLE
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}
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#endif
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}
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//no boxing version set
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public void Set<TKey, TValue>(TKey key, TValue value)
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{
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#if THREAD_SAFE || HOTFIX_ENABLE
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lock (luaEnv.luaEnvLock)
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{
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#endif
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var L = luaEnv.L;
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int oldTop = LuaAPI.lua_gettop(L);
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var translator = luaEnv.translator;
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LuaAPI.lua_getref(L, luaReference);
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translator.PushByType(L, key);
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translator.PushByType(L, value);
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if (0 != LuaAPI.xlua_psettable(L, -3))
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{
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luaEnv.ThrowExceptionFromError(oldTop);
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}
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LuaAPI.lua_settop(L, oldTop);
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#if THREAD_SAFE || HOTFIX_ENABLE
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}
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#endif
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}
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public T GetInPath<T>(string path)
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{
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#if THREAD_SAFE || HOTFIX_ENABLE
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lock (luaEnv.luaEnvLock)
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{
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#endif
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var L = luaEnv.L;
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var translator = luaEnv.translator;
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int oldTop = LuaAPI.lua_gettop(L);
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LuaAPI.lua_getref(L, luaReference);
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if (0 != LuaAPI.xlua_pgettable_bypath(L, -1, path))
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{
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luaEnv.ThrowExceptionFromError(oldTop);
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}
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LuaTypes lua_type = LuaAPI.lua_type(L, -1);
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if (lua_type == LuaTypes.LUA_TNIL && typeof(T).IsValueType())
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{
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throw new InvalidCastException("can not assign nil to " + typeof(T));
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}
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T value;
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try
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{
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translator.Get(L, -1, out value);
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}
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catch (Exception e)
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{
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throw e;
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}
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finally
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{
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LuaAPI.lua_settop(L, oldTop);
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}
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return value;
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#if THREAD_SAFE || HOTFIX_ENABLE
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}
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#endif
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}
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public void SetInPath<T>(string path, T val)
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{
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#if THREAD_SAFE || HOTFIX_ENABLE
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lock (luaEnv.luaEnvLock)
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{
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#endif
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var L = luaEnv.L;
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int oldTop = LuaAPI.lua_gettop(L);
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LuaAPI.lua_getref(L, luaReference);
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luaEnv.translator.PushByType(L, val);
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if (0 != LuaAPI.xlua_psettable_bypath(L, -2, path))
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{
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luaEnv.ThrowExceptionFromError(oldTop);
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}
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LuaAPI.lua_settop(L, oldTop);
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#if THREAD_SAFE || HOTFIX_ENABLE
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}
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#endif
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}
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[Obsolete("use no boxing version: GetInPath/SetInPath Get/Set instead!")]
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public object this[string field]
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{
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get
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{
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return GetInPath<object>(field);
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}
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set
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{
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SetInPath(field, value);
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}
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}
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[Obsolete("use no boxing version: GetInPath/SetInPath Get/Set instead!")]
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public object this[object field]
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{
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get
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{
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return Get<object>(field);
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}
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set
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{
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Set(field, value);
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}
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}
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public void ForEach<TKey, TValue>(Action<TKey, TValue> action)
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{
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#if THREAD_SAFE || HOTFIX_ENABLE
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lock (luaEnv.luaEnvLock)
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{
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#endif
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var L = luaEnv.L;
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var translator = luaEnv.translator;
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int oldTop = LuaAPI.lua_gettop(L);
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try
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{
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LuaAPI.lua_getref(L, luaReference);
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LuaAPI.lua_pushnil(L);
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while (LuaAPI.lua_next(L, -2) != 0)
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{
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if (translator.Assignable<TKey>(L, -2))
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{
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TKey key;
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TValue val;
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translator.Get(L, -2, out key);
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translator.Get(L, -1, out val);
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action(key, val);
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}
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LuaAPI.lua_pop(L, 1);
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}
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}
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finally
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{
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LuaAPI.lua_settop(L, oldTop);
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}
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#if THREAD_SAFE || HOTFIX_ENABLE
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}
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#endif
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}
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public int Length
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{
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get
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{
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#if THREAD_SAFE || HOTFIX_ENABLE
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lock (luaEnv.luaEnvLock)
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{
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#endif
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var L = luaEnv.L;
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int oldTop = LuaAPI.lua_gettop(L);
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LuaAPI.lua_getref(L, luaReference);
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var len = (int)LuaAPI.xlua_objlen(L, -1);
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LuaAPI.lua_settop(L, oldTop);
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return len;
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#if THREAD_SAFE || HOTFIX_ENABLE
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}
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#endif
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}
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}
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#if THREAD_SAFE || HOTFIX_ENABLE
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[Obsolete("not thread safe!", true)]
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#endif
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public IEnumerable GetKeys()
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{
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var L = luaEnv.L;
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var translator = luaEnv.translator;
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int oldTop = LuaAPI.lua_gettop(L);
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LuaAPI.lua_getref(L, luaReference);
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LuaAPI.lua_pushnil(L);
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while (LuaAPI.lua_next(L, -2) != 0)
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{
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yield return translator.GetObject(L, -2);
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LuaAPI.lua_pop(L, 1);
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}
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LuaAPI.lua_settop(L, oldTop);
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}
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#if THREAD_SAFE || HOTFIX_ENABLE
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[Obsolete("not thread safe!", true)]
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#endif
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public IEnumerable<T> GetKeys<T>()
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{
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var L = luaEnv.L;
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var translator = luaEnv.translator;
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int oldTop = LuaAPI.lua_gettop(L);
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LuaAPI.lua_getref(L, luaReference);
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LuaAPI.lua_pushnil(L);
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while (LuaAPI.lua_next(L, -2) != 0)
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{
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if (translator.Assignable<T>(L, -2))
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{
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T v;
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translator.Get(L, -2, out v);
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yield return v;
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}
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LuaAPI.lua_pop(L, 1);
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}
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LuaAPI.lua_settop(L, oldTop);
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}
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[Obsolete("use no boxing version: Get<TKey, TValue> !")]
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public T Get<T>(object key)
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{
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T ret;
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Get(key, out ret);
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return ret;
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}
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public TValue Get<TKey, TValue>(TKey key)
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{
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TValue ret;
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Get(key, out ret);
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return ret;
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}
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public TValue Get<TValue>(string key)
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{
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TValue ret;
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Get(key, out ret);
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return ret;
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}
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public void SetMetaTable(LuaTable metaTable)
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{
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#if THREAD_SAFE || HOTFIX_ENABLE
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lock (luaEnv.luaEnvLock)
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{
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#endif
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push(luaEnv.L);
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metaTable.push(luaEnv.L);
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LuaAPI.lua_setmetatable(luaEnv.L, -2);
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LuaAPI.lua_pop(luaEnv.L, 1);
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#if THREAD_SAFE || HOTFIX_ENABLE
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}
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#endif
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}
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public T Cast<T>()
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{
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var L = luaEnv.L;
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var translator = luaEnv.translator;
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#if THREAD_SAFE || HOTFIX_ENABLE
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lock (luaEnv.luaEnvLock)
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{
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#endif
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push(L);
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T ret = (T)translator.GetObject(L, -1, typeof(T));
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LuaAPI.lua_pop(luaEnv.L, 1);
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return ret;
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#if THREAD_SAFE || HOTFIX_ENABLE
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}
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#endif
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}
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internal override void push(RealStatePtr L)
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{
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LuaAPI.lua_getref(L, luaReference);
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}
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public override string ToString()
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{
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return "table :" + luaReference;
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}
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}
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}
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