repos_ecs/DrawIDE/IDE/scriptproc.h

#ifndef _SCRIPT_H_
#define  _SCRIPT_H_

#include <activscp.h>
#include <initguid.h>
#include <AFXPRIV.H>


class MyActiveScriptSite : public IActiveScriptSite {
private:
   ULONG m_dwRef; // Reference count
public:
   IUnknown *m_pUnkScriptObject; // Pointer to your object that is exposed
                                 // to the script engine in GetItemInfo().
   MyActiveScriptSite::MyActiveScriptSite() {m_dwRef = 1;}
   MyActiveScriptSite::~MyActiveScriptSite() {}
   
   // IUnknown methods...
   virtual HRESULT _stdcall QueryInterface(REFIID riid, void **ppvObject) {
      *ppvObject = NULL;
      return E_NOTIMPL;
   }
   virtual ULONG _stdcall AddRef(void) {
      return ++m_dwRef;
   }
   virtual ULONG _stdcall Release(void) {
      if(--m_dwRef == 0) return 0;
      return m_dwRef;
   }
   
   // IActiveScriptSite methods...
   virtual HRESULT _stdcall GetLCID(LCID *plcid) {
      return S_OK;
   }
   
   virtual HRESULT _stdcall GetItemInfo(LPCOLESTR pstrName,
      DWORD dwReturnMask, IUnknown **ppunkItem, ITypeInfo **ppti) {

      // Is it expecting an ITypeInfo?
      if(ppti) {
         // Default to NULL.
         *ppti = NULL;
         
         // Return if asking about ITypeInfo... 
         if(dwReturnMask & SCRIPTINFO_ITYPEINFO)
            return TYPE_E_ELEMENTNOTFOUND;
      }
      
      // Is the engine passing an IUnknown buffer?
      if(ppunkItem) {
         // Default to NULL.
         *ppunkItem = NULL;
         
         // Is Script Engine looking for an IUnknown for our object?
         if(dwReturnMask & SCRIPTINFO_IUNKNOWN) {
            // Check for our object name...
            if (!_wcsicmp(L"MyObject", pstrName)) {
               // Provide our object.
               *ppunkItem = m_pUnkScriptObject;
               // Addref our object...
               m_pUnkScriptObject->AddRef();
            }
         }
      }
      
      return S_OK;
   }
   
   virtual HRESULT __stdcall GetDocVersionString(BSTR *pbstrVersion) {
      return S_OK;
   }
   
   virtual HRESULT __stdcall OnScriptTerminate(const VARIANT *pvarResult,
      const EXCEPINFO *pexcepInfo) {
      return S_OK;
   }
   
   virtual HRESULT __stdcall OnStateChange(SCRIPTSTATE ssScriptState) {
      return S_OK;
   }
   
   virtual HRESULT __stdcall OnScriptError(
      IActiveScriptError *pscriptError) {
      static BSTR pwcErrorText;
      pscriptError->GetSourceLineText(&pwcErrorText);

      AfxMessageBox(
         CString("脚本存在语法错误，请仔细检查"),
         MB_SETFOREGROUND);
      ::SysFreeString(pwcErrorText);
      return S_OK;
   }
   
   virtual HRESULT __stdcall OnEnterScript(void) {
      return S_OK;
   }
   
   virtual HRESULT __stdcall OnLeaveScript(void) {
      return S_OK;
   }
};

#endif