ActiveScriptExecutor.hpp

 
 
#pragma once
 
#include "AstGlobal.h"
#include "ScriptExecutor.hpp"
#include <memory>
 
 
struct IDispatch;
typedef struct tagVARIANT VARIANT;
 
 
AST_NAMESPACE_BEGIN
 
#if defined(AST_BUILD_LIB) && !defined(SWIG)
errc_t aActiveScriptGetVariable(IDispatch& pDisp, const std::wstring& name, VARIANT& result);
errc_t aActiveScriptSetVariable(IDispatch& pDisp, const std::wstring& name, const VARIANT& value);
errc_t aActiveScriptSetVariableEx(IDispatch& pDisp, const std::wstring& name, const VARIANT& value);
bool   aActiveScriptHasVariable(IDispatch& pDisp, const std::wstring& name);
#endif
 
class AST_SCRIPT_API ActiveScriptExecutor: public ScriptExecutor
{
    // 前向声明内部实现类
    class Impl;
 
public:
    using ScriptExecutor::execute;
    
    ActiveScriptExecutor();
    explicit ActiveScriptExecutor(const wchar_t* progId); 
    ~ActiveScriptExecutor() override;
 
    errc_t initialize() override;
    void finalize() override;
    errc_t execute(StringView script, ScriptResult* resultOut=nullptr) override;
    errc_t evaluate(StringView expression, ScriptResult* resultOut=nullptr) override;
    std::string getLastError() const override;
 
    // 下面这些重载会隐藏基类同名的其他重载（含字符串字面量重载），需要显式引回
    using ScriptExecutor::setVariable;
 
    errc_t setVariable(StringView name, StringView value) override;
    errc_t setVariable(StringView name, double value) override;
    errc_t setVariable(StringView name, int value) override;
    errc_t setVariable(StringView name, bool value) override;
 
    errc_t getVariable(StringView name, std::string& value) const override;
    errc_t getVariable(StringView name, double& value) const override;
    errc_t getVariable(StringView name, int& value) const override;
    errc_t getVariable(StringView name, bool& value) const override;
 
protected:
    void setProgID(const wchar_t* progId);
 
    IDispatch* getGlobal() const;
protected:
    std::unique_ptr<Impl> impl_; // 隐藏 COM 对象与状态
};
 
AST_NAMESPACE_END