119 lines
2.9 KiB
C
119 lines
2.9 KiB
C
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#pragma once
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/************************************************************************/
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/* LUA脚本值列表
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/*
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/* 脚本值列表中最多允许保存MaxValueCount个值。此类适用于在与脚本交互中的函数调用参数
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/* 表的传递以及返回值列表的获取操作的场合。
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/*
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/************************************************************************/
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class CScriptValueList
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{
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public:
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static const INT_PTR MaxValueCount = 32; //脚本值列表允许存储的值数量上限
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public:
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CScriptValueList()
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{
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m_nCount = 0;
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}
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CScriptValueList(const CScriptValueList& valList)
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{
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//m_nCount = 0;
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operator = (valList);
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}
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//获取列表中的值数量
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inline INT_PTR count()
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{
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return m_nCount;
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}
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//将列表转换为ScriptValue数组的运算符重载
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inline operator CScriptValue* ()
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{
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return m_Values;
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}
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inline CScriptValue& operator[](int i)
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{
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return m_Values[i];
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}
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//添加一个值
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template <typename T>
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inline CScriptValueList& operator << (const T val)
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{
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if ( m_nCount < MaxValueCount )
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{
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m_Values[m_nCount++] = val;
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}
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return *this;
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}
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//从另一个列表中赋值
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inline CScriptValueList& operator = (const CScriptValueList &valList)
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{
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clear();
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for (UINT_PTR i=valList.m_nCount; i; --i)
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{
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m_Values[i-1] = valList.m_Values[i-1];
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}
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m_nCount = valList.m_nCount;
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return *this;
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}
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inline CScriptValueList& operator += (const CScriptValueList &valList)
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{
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for (UINT_PTR i = 0; i < valList.m_nCount && m_nCount < MaxValueCount; i++)
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{
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m_Values[m_nCount++] = valList.m_Values[i];
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}
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return *this;
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}
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//清空值列表
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inline void clear()
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{
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for (UINT_PTR i=m_nCount; i; --i)
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{
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m_Values[i-1].clear();
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}
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m_nCount = 0;
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}
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/* 将值列表中的值压入lua脚本中。
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* 将列表中的值压入脚本中后，列表不会被清空
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*/
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void pushArgs(lua_State *pLua, INT_PTR nCount);
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/* 从lua脚本中取出返回值到值列表中，函数返回取出了多少个值。
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* 如果列表中已经存在值，则之前的值将不会清空。
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*/
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INT_PTR getResults(lua_State *pLua, int nCount);
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/* 将lua中传入的参数保存到值列表中。
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* 列表会被清空，从而存放新的值列表
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* 函数返回读取了多少个参数
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*/
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INT_PTR getArguments(lua_State *pLua, INT_PTR nStackIdx);
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/* 将值列表保存到流中 */
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inline void loadFromStream(wylib::stream::CBaseStream &stm)
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{
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clear();
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stm.read(&m_nCount, sizeof(m_nCount));
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for (UINT_PTR i=0; i<m_nCount; ++i)
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{
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m_Values[i].loadFromStream(stm);
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}
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}
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/* 从流中读取值列表 */
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inline LONGLONG saveToStream(wylib::stream::CBaseStream &stm) const
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{
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LONGLONG dwPos = stm.getPosition();
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stm.write(&m_nCount, sizeof(m_nCount));
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for (UINT_PTR i=0; i<m_nCount; ++i)
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{
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m_Values[i].saveToStream(stm);
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}
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return stm.getPosition() - dwPos;
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}
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protected:
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CScriptValue m_Values[MaxValueCount];//值内存块
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UINT_PTR m_nCount;//值数量
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};
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