我组装了一个“Hello World”IActiveScript C++ ATL 控制台应用程序,该应用程序:
- Define
CSimpleScriptSite
class
- 实施
IActiveScriptSite
接口(必填)
- 实施
IActiveScriptSiteWindow
接口(可选)
- 大多数功能通过虚拟存根实现的最小实现
- 没有错误处理。咨询MSDN活动脚本错误 http://msdn.microsoft.com/en-us/library/ie/b17d71fw(v=vs.94).aspx.
- Use
CoCreateInstance
a new IActiveSite
object
- 创建两者的实例
VBScript
and JScript
- 链接
IActiveSite
to IActiveScriptSite
using IActiveSite::SetScriptSite
- Call
QueryInterface
得到一个IActiveScriptParse
界面
- Use
IActiveScriptParse
执行VBScript
or JScript
code
- The sample:
- 计算表达式
JScript
- 计算表达式
VBScript
- 运行命令
VBScript
Code:
#include "stdafx.h"
#include <atlbase.h>
#include <activscp.h>
class CSimpleScriptSite :
public IActiveScriptSite,
public IActiveScriptSiteWindow
{
public:
CSimpleScriptSite() : m_cRefCount(1), m_hWnd(NULL) { }
// IUnknown
STDMETHOD_(ULONG, AddRef)();
STDMETHOD_(ULONG, Release)();
STDMETHOD(QueryInterface)(REFIID riid, void **ppvObject);
// IActiveScriptSite
STDMETHOD(GetLCID)(LCID *plcid){ *plcid = 0; return S_OK; }
STDMETHOD(GetItemInfo)(LPCOLESTR pstrName, DWORD dwReturnMask, IUnknown **ppiunkItem, ITypeInfo **ppti) { return TYPE_E_ELEMENTNOTFOUND; }
STDMETHOD(GetDocVersionString)(BSTR *pbstrVersion) { *pbstrVersion = SysAllocString(L"1.0"); return S_OK; }
STDMETHOD(OnScriptTerminate)(const VARIANT *pvarResult, const EXCEPINFO *pexcepinfo) { return S_OK; }
STDMETHOD(OnStateChange)(SCRIPTSTATE ssScriptState) { return S_OK; }
STDMETHOD(OnScriptError)(IActiveScriptError *pIActiveScriptError) { return S_OK; }
STDMETHOD(OnEnterScript)(void) { return S_OK; }
STDMETHOD(OnLeaveScript)(void) { return S_OK; }
// IActiveScriptSiteWindow
STDMETHOD(GetWindow)(HWND *phWnd) { *phWnd = m_hWnd; return S_OK; }
STDMETHOD(EnableModeless)(BOOL fEnable) { return S_OK; }
// Miscellaneous
HRESULT SetWindow(HWND hWnd) { m_hWnd = hWnd; return S_OK; }
public:
LONG m_cRefCount;
HWND m_hWnd;
};
STDMETHODIMP_(ULONG) CSimpleScriptSite::AddRef()
{
return InterlockedIncrement(&m_cRefCount);
}
STDMETHODIMP_(ULONG) CSimpleScriptSite::Release()
{
if (!InterlockedDecrement(&m_cRefCount))
{
delete this;
return 0;
}
return m_cRefCount;
}
STDMETHODIMP CSimpleScriptSite::QueryInterface(REFIID riid, void **ppvObject)
{
if (riid == IID_IUnknown || riid == IID_IActiveScriptSiteWindow)
{
*ppvObject = (IActiveScriptSiteWindow *) this;
AddRef();
return NOERROR;
}
if (riid == IID_IActiveScriptSite)
{
*ppvObject = (IActiveScriptSite *) this;
AddRef();
return NOERROR;
}
return E_NOINTERFACE;
}
int _tmain(int argc, _TCHAR* argv[])
{
HRESULT hr = S_OK;
hr = CoInitializeEx(NULL, COINIT_MULTITHREADED);
// Initialize
CSimpleScriptSite* pScriptSite = new CSimpleScriptSite();
CComPtr<IActiveScript> spJScript;
CComPtr<IActiveScriptParse> spJScriptParse;
hr = spJScript.CoCreateInstance(OLESTR("JScript"));
hr = spJScript->SetScriptSite(pScriptSite);
hr = spJScript->QueryInterface(&spJScriptParse);
hr = spJScriptParse->InitNew();
CComPtr<IActiveScript> spVBScript;
CComPtr<IActiveScriptParse> spVBScriptParse;
hr = spVBScript.CoCreateInstance(OLESTR("VBScript"));
hr = spVBScript->SetScriptSite(pScriptSite);
hr = spVBScript->QueryInterface(&spVBScriptParse);
hr = spVBScriptParse->InitNew();
// Run some scripts
CComVariant result;
EXCEPINFO ei = { };
hr = spJScriptParse->ParseScriptText(OLESTR("(new Date()).getTime()"), NULL, NULL, NULL, 0, 0, SCRIPTTEXT_ISEXPRESSION, &result, &ei);
hr = spVBScriptParse->ParseScriptText(OLESTR("Now"), NULL, NULL, NULL, 0, 0, SCRIPTTEXT_ISEXPRESSION, &result, &ei);
hr = spVBScriptParse->ParseScriptText(OLESTR("MsgBox \"Hello World! The current time is: \" & Now"), NULL, NULL, NULL, 0, 0, 0, &result, &ei);
// Cleanup
spVBScriptParse = NULL;
spVBScript = NULL;
spJScriptParse = NULL;
spJScript = NULL;
pScriptSite->Release();
pScriptSite = NULL;
::CoUninitialize();
return 0;
}
上述代码的一个版本可以在这里找到:
- https://github.com/stephenquan/RunScriptDemo https://github.com/stephenquan/RunScriptDemo