| 54 | } |
| 55 | |
| 56 | STDMETHODIMP IEnumSpObjectTokensImpl::Next(ULONG celt,ISpObjectToken **pelt,ULONG *pceltFetched) |
| 57 | { |
| 58 | if(celt==0) |
| 59 | return E_INVALIDARG; |
| 60 | if(pelt==0) |
| 61 | return E_POINTER; |
| 62 | if((pceltFetched==0)&&(celt>1)) |
| 63 | return E_POINTER; |
| 64 | if(pceltFetched!=0) |
| 65 | *pceltFetched=0; |
| 66 | try |
| 67 | { |
| 68 | std::vector<ISpObjectTokenPtr> tokens; |
| 69 | unsigned long next_index=std::min(index+celt,static_cast<unsigned long>(sapi_voices.size())); |
| 70 | for(unsigned long i=index;i<next_index;++i) |
| 71 | { |
| 72 | tokens.push_back(create_token(sapi_voices[i])); |
| 73 | } |
| 74 | for(unsigned long i=0;i<tokens.size();++i) |
| 75 | { |
| 76 | tokens[i].AddRef(); |
| 77 | pelt[i]=tokens[i].GetInterfacePtr(); |
| 78 | } |
| 79 | if(pceltFetched) |
| 80 | *pceltFetched=tokens.size(); |
| 81 | index+=tokens.size(); |
| 82 | return ((tokens.size()==celt)?S_OK:S_FALSE); |
| 83 | } |
| 84 | catch(const std::bad_alloc&) |
| 85 | { |
| 86 | return E_OUTOFMEMORY; |
| 87 | } |
| 88 | catch(...) |
| 89 | { |
| 90 | return E_UNEXPECTED; |
| 91 | } |
| 92 | } |
| 93 | |
| 94 | STDMETHODIMP IEnumSpObjectTokensImpl::Skip(ULONG celt) |
| 95 | { |