72 lines
2.2 KiB
C++
72 lines
2.2 KiB
C++
/*
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* Copyright (c) 2010-2012 OTClient <https://github.com/edubart/otclient>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "luaobject.h"
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#include "luainterface.h"
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LuaObject::LuaObject() : m_fieldsTableRef(-1)
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{
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}
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LuaObject::~LuaObject()
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{
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releaseLuaFieldsTable();
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}
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void LuaObject::releaseLuaFieldsTable()
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{
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if(m_fieldsTableRef != -1) {
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g_lua.unref(m_fieldsTableRef);
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m_fieldsTableRef = -1;
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}
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}
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void LuaObject::luaSetField(const std::string& key)
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{
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// create fields table on the fly
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if(m_fieldsTableRef == -1) {
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g_lua.newTable(); // create fields table
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m_fieldsTableRef = g_lua.ref(); // save a reference for it
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}
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g_lua.getRef(m_fieldsTableRef); // push the table
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g_lua.insert(-2); // move the value to the top
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g_lua.setField(key); // set the field
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g_lua.pop(); // pop the fields table
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}
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void LuaObject::luaGetField(const std::string& key)
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{
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if(m_fieldsTableRef != -1) {
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g_lua.getRef(m_fieldsTableRef); // push the obj's fields table
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g_lua.getField(key); // push the field value
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g_lua.remove(-2); // remove the table
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} else {
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g_lua.pushNil();
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}
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}
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int LuaObject::getUseCount()
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{
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return shared_from_this().use_count() - 1;
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}
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