Exemplos de IFilter::GetValue em C++ (Cpp)

Exemplo n.º 1

Arquivo: PyIFilter.cpp Projeto: DavidGuben/rcbplayspokemon

// @pymethod |PyIFilter|GetValue|Description of GetValue.
PyObject *PyIFilter::GetValue(PyObject *self, PyObject *args)
{
	IFilter *pIF = GetI(self);
	if ( pIF == NULL )
		return NULL;

	if ( !PyArg_ParseTuple(args, ":GetValue") )
		return NULL;
	
	HRESULT hr;
	PROPVARIANT * pPropValue = 0;
	PY_INTERFACE_PRECALL;
	hr = pIF->GetValue(&pPropValue );
	PY_INTERFACE_POSTCALL;

	if ( FAILED(hr) ){
		return PyCom_BuildPyException(hr, pIF, IID_IFilter );
	}


	if (pPropValue){
		PyObject *obRet = PyObject_FromPROPVARIANT(pPropValue);
		PropVariantClear(pPropValue);
		CoTaskMemFree(pPropValue);
		return obRet;
	}
	
	Py_INCREF(Py_None);
	return Py_None;
}

Exemplo n.º 2

Arquivo: ifilterendanalyzer.cpp Projeto: KDE/libstreamanalyzer

signed char
IFilterEndAnalyzer::analyze(AnalysisResult& idx, InputStream *in) {
    const string& filename = idx.fileName();
    int p = filename.find_last_of('.');
    if (p < 0 ||  extensions.find(filename.substr(p)) == extensions.end()) {
        return -1;
    }

    string filepath;
    bool fileisondisk = checkForFile(idx.depth(), filename);
    if (fileisondisk) {
        filepath = filename;
    } else {
        int p = filename.find_last_of(".");
        if ( p > 0 ){
            string ext = filename.substr(p).c_str();
            strlwr((char*)ext.c_str());
            p = ext.find_first_not_of("._abcdefghijklmnopqrstuvwxyz0123456789");
            if ( p >= 0 )
                filepath = writeToTempFile(in, "");
            else
                filepath = writeToTempFile(in, ext.c_str());
        }else
            filepath = writeToTempFile(in, "");

    }

    if (filepath.length() > 0) {

        IFilter* filter = NULL;
        void* pvfilter=NULL;

        wchar_t tmp[MAX_PATH];
        _cpycharToWide(tmp,filepath.c_str(),MAX_PATH);
        HRESULT hr = LoadIFilter(tmp,NULL,&pvfilter);
        if (hr == S_OK) {
            filter = (IFilter*)pvfilter;

            ULONG __i=0;
            hr = filter->Init(IFILTER_INIT_APPLY_INDEX_ATTRIBUTES,0,NULL,&__i);
            if (FAILED( hr )) {
                if (!fileisondisk)
                    unlink(filepath.c_str());
                return -1;
            }

            const int sbBufferLen = 1024;
            wchar_t sbBuffer[sbBufferLen];

            STAT_CHUNK ps;
            hr = filter->GetChunk(&ps);
            while ( SUCCEEDED(hr) ) {
                if (ps.flags == CHUNK_TEXT) {
                    int resultText = 0;

                    while ( resultText >= 0 ) {
                        ULONG sizeBuffer=sbBufferLen;
                        resultText = filter->GetText(&sizeBuffer, sbBuffer);
                        if (sizeBuffer > 0 ) {
                            string str = wchartoutf8(sbBuffer,sbBuffer+sizeBuffer);
                            idx.addText(str.c_str(),str.length());
                        }
                    }
                } else if ( ps.flags == CHUNK_VALUE ) {
                    PROPVARIANT *pVar;
                    while ( SUCCEEDED( hr = filter->GetValue( &pVar ) ) ) {
                        //printf("propid: %d\nkind:%d\n",ps.attribute.psProperty.propid,ps.attribute.psProperty.ulKind);
                        if ( ps.attribute.psProperty.propid == 2 &&
                             ps.attribute.psProperty.ulKind == 1 &&
                             pVar->vt == VT_LPWSTR ) {

                            string str = wchartoutf8(pVar->pwszVal,pVar->pwszVal+wcslen(pVar->pwszVal));
                            idx.addValue("title", str );
                        }
                        PropVariantClear( pVar );
                        CoTaskMemFree( pVar );
                    }
                } else {
                    printf("other flag %d\n",ps.flags);
                }
                hr = filter->GetChunk(&ps);
            }
            filter->Release();
            if (!fileisondisk)
                unlink(filepath.c_str());
            return 0;
        }


        DWORD dw = GetLastError();
        if ( dw != 0 ) {
            LPVOID lpMsgBuf;
            FormatMessage(
                FORMAT_MESSAGE_ALLOCATE_BUFFER |
                FORMAT_MESSAGE_FROM_SYSTEM,
                NULL,
                dw,
                MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
                (LPTSTR) &lpMsgBuf,
                0, NULL );

            wprintf(L"%s\n", lpMsgBuf);
            LocalFree(lpMsgBuf);
        }
    }
    if (!fileisondisk && filepath.length()>0) {
        unlink(filepath.c_str());
    }
    return -1;
}