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#include "AMFDispatch.h"
AMFDispatch::AMFDispatch(AMFMixedArray *array)
{
object=array;
if (object)
object->AddRef();
refCount=1;
}
AMFDispatch::~AMFDispatch()
{
if (object)
object->Release();
}
STDMETHODIMP AMFDispatch::QueryInterface(REFIID riid, PVOID *ppvObject)
{
if (!ppvObject)
return E_POINTER;
else if (IsEqualIID(riid, IID_IDispatch))
*ppvObject = (IDispatch *)this;
else if (IsEqualIID(riid, IID_IUnknown))
*ppvObject = this;
else
{
*ppvObject = NULL;
return E_NOINTERFACE;
}
AddRef();
return S_OK;
}
ULONG AMFDispatch::AddRef(void)
{
return InterlockedIncrement((volatile LONG *)&refCount);
}
ULONG AMFDispatch::Release(void)
{
ULONG count = InterlockedDecrement((volatile LONG *)&refCount);
if (count == 0)
delete this;
return count;
}
enum
{
DISP_AMF_DEBUGPRINT,
DISP_AMF_MAX,
};
#define CHECK_ID(str, id) if (wcscmp(rgszNames[i], L##str) == 0) { rgdispid[i] = id; continue; }
HRESULT AMFDispatch::GetIDsOfNames(REFIID riid, OLECHAR FAR* FAR* rgszNames, unsigned int cNames, LCID lcid, DISPID FAR* rgdispid)
{
bool unknowns = false;
for (unsigned int i = 0;i != cNames;i++)
{
CHECK_ID("DebugPrint", DISP_AMF_DEBUGPRINT)
if (object)
{
//size_t index = object->array.getPosition(rgszNames[i]);
size_t index = 0;
for (auto it = object->array.begin(); it != object->array.end(); it++, index++)
{
if (wcscmp(it->first.c_str(), rgszNames[i]) == 0)
{
break;
}
}
if (index != object->array.size())
{
rgdispid[i] = (DISPID)index + DISP_AMF_MAX;
continue;
}
}
rgdispid[i] = DISPID_UNKNOWN;
unknowns = true;
}
if (unknowns)
return DISP_E_UNKNOWNNAME;
else
return S_OK;
}
HRESULT AMFDispatch::GetTypeInfo(unsigned int itinfo, LCID lcid, ITypeInfo FAR* FAR* pptinfo)
{
return E_NOTIMPL;
}
HRESULT AMFDispatch::GetTypeInfoCount(unsigned int FAR * pctinfo)
{
return E_NOTIMPL;
}
static void AMFType_To_Variant(AMFType *obj, VARIANT *pvarResult)
{
VariantInit(pvarResult);
switch(obj->type)
{
case AMFType::TYPE_DOUBLE: // double
{
AMFDouble *cast_obj = static_cast<AMFDouble *>(obj);
V_VT(pvarResult) = VT_R8;
V_R8(pvarResult) = cast_obj->val;
}
break;
case AMFType::TYPE_BOOL: // bool
{
AMFBoolean *cast_obj = static_cast<AMFBoolean *>(obj);
V_VT(pvarResult) = VT_BOOL;
V_BOOL(pvarResult) = cast_obj->boolean;
}
break;
case AMFType::TYPE_MOVIE: // movie (basically just a URL)
case AMFType::TYPE_STRING: // string
{
AMFString *cast_obj = static_cast<AMFString *>(obj);
V_VT(pvarResult) = VT_BSTR;
V_BSTR(pvarResult) = SysAllocString(cast_obj->str);
}
break;
case AMFType::TYPE_LONG_STRING: // string
{
AMFLongString *cast_obj = static_cast<AMFLongString *>(obj);
V_VT(pvarResult) = VT_BSTR;
V_BSTR(pvarResult) = SysAllocString(cast_obj->str);
}
break;
case AMFType::TYPE_MIXEDARRAY:
{
AMFMixedArray *cast_obj = static_cast<AMFMixedArray *>(obj);
V_VT(pvarResult) = VT_DISPATCH;
V_DISPATCH(pvarResult) = new AMFDispatch(cast_obj);
}
break;
case AMFType::TYPE_DATE:
{
AMFTime *cast_obj = static_cast<AMFTime *>(obj);
V_VT(pvarResult) = VT_DATE;
V_DATE(pvarResult) = cast_obj->val;
}
break;
case AMFType::TYPE_ARRAY:
{
AMFArray *cast_obj = static_cast<AMFArray *>(obj);
SAFEARRAYBOUND rgsabound[1];
rgsabound[0].lLbound = 0;
rgsabound[0].cElements = (ULONG)cast_obj->array.size();
SAFEARRAY *psa = SafeArrayCreate(VT_VARIANT, 1, rgsabound);
VARIANT **data;
SafeArrayAccessData(psa, (void **)&data);
for (size_t i=0;i!=cast_obj->array.size();i++)
{
AMFType_To_Variant(cast_obj->array[i], data[i]);
}
SafeArrayUnaccessData(psa);
V_VT(pvarResult) = VT_ARRAY;
V_ARRAY(pvarResult) = psa;
}
break;
}
}
HRESULT AMFDispatch::Invoke(DISPID dispid, REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS FAR *pdispparams, VARIANT FAR *pvarResult, EXCEPINFO FAR * pexecinfo, unsigned int FAR *puArgErr)
{
if (pvarResult)
VariantInit(pvarResult);
switch(dispid)
{
case DISP_AMF_DEBUGPRINT:
{
wchar_t debugstring[4096]=L"";
wchar_t *str = debugstring;
size_t len = 4096;
object->DebugPrint(1, str, len);
V_VT(pvarResult) = VT_BSTR;
V_BSTR(pvarResult) = SysAllocString(debugstring);
}
return S_OK;
}
size_t index = dispid - DISP_AMF_MAX;
if (index >= object->array.size())
return DISP_E_MEMBERNOTFOUND;
//AMFType *obj = object->array.at(index).second;
AMFType* obj = 0;
auto it = object->array.begin();
while (index--)
{
it++;
}
if (it != object->array.end())
{
obj = it->second;
}
if (!obj)
return S_OK;
switch(obj->type)
{
case AMFType::TYPE_DOUBLE:
case AMFType::TYPE_BOOL:
case AMFType::TYPE_STRING:
case AMFType::TYPE_MIXEDARRAY:
case AMFType::TYPE_ARRAY:
AMFType_To_Variant(obj, pvarResult);
return S_OK;
case AMFType::TYPE_OBJECT: // object
// TODO
return DISP_E_TYPEMISMATCH;
case AMFType::TYPE_NULL: // null
return S_OK;
case AMFType::TYPE_REFERENCE: // reference
return DISP_E_TYPEMISMATCH;
case AMFType::TYPE_TERMINATOR:
// TODO?
return DISP_E_TYPEMISMATCH;
case AMFType::TYPE_DATE: // date
return DISP_E_TYPEMISMATCH;
case AMFType::TYPE_LONG_STRING: // long string
return DISP_E_TYPEMISMATCH;
case AMFType::TYPE_XML: // XML
return DISP_E_TYPEMISMATCH;
default:
return DISP_E_TYPEMISMATCH;
}
return S_OK;
}
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