| ///////////////////////////////////////////////////////////////////////////// |
| // Copyright (c) 2000 John Adcock. All rights reserved. |
| ///////////////////////////////////////////////////////////////////////////// |
| // |
| // This library is free software; you can redistribute it and/or modify it |
| // under the terms of the GNU Library General Public License as published by |
| // the Free Software Foundation; either version 2 of the License, or (at your |
| // option) any later version. |
| // |
| // This library is distributed in the hope that it will be useful, but WITHOUT |
| // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| // FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public |
| // License for more details. |
| // |
| // You should have received a copy of the GNU Library General Public License |
| // along with this library; if not, write to the Free Software Foundation, |
| // Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| |
| // The id3lib authors encourage improvements and optimisations to be sent to |
| // the id3lib coordinator. Please see the README file for details on where to |
| // send such submissions. See the AUTHORS file for a list of people who have |
| // contributed to id3lib. See the ChangeLog file for a list of changes to |
| // id3lib. These files are distributed with id3lib at |
| // http://download.sourceforge.net/id3lib/ |
| // |
| ///////////////////////////////////////////////////////////////////////////// |
| // ID3Field.cpp : Implementation of CID3Field |
| ///////////////////////////////////////////////////////////////////////////// |
| // Change Log |
| // |
| // Date Developer Changes |
| // |
| // 05 Jan 2000 John Adcock Original Release |
| // 26 Apr 2000 John Adcock Got working with id3lib 3.7.3 |
| // 18 Aug 2000 Philip Oldaker Added Picture Functionality |
| // |
| ///////////////////////////////////////////////////////////////////////////// |
| |
| #include "stdafx.h" |
| #include "ID3COM.h" |
| #include "ID3Field.h" |
| #include "ID3Frame.h" |
| |
| ///////////////////////////////////////////////////////////////////////////// |
| // CID3Field |
| |
| CID3Field::CID3Field() |
| { |
| m_Field = NULL; |
| m_FrameParent = NULL; |
| } |
| |
| CID3Field::~CID3Field() |
| { |
| if(m_FrameParent != NULL) |
| { |
| m_FrameParent->Release(); |
| } |
| m_Field = NULL; |
| } |
| |
| IID3ComField* CID3Field::CreateObject(IID3ComFrame* FrameParent, ID3_Field* Field) |
| { |
| CComObject<CID3Field>* pRetVal = new CComObject<CID3Field>; |
| pRetVal->m_Field = Field; |
| pRetVal->m_FrameParent = FrameParent; |
| FrameParent->AddRef(); |
| return (IID3ComField*)pRetVal; |
| } |
| |
| STDMETHODIMP CID3Field::InterfaceSupportsErrorInfo(REFIID riid) |
| { |
| static const IID* arr[] = |
| { |
| &IID_IID3ComField |
| }; |
| for (int i=0; i < sizeof(arr) / sizeof(arr[0]); i++) |
| { |
| if (InlineIsEqualGUID(*arr[i],riid)) |
| return S_OK; |
| } |
| return S_FALSE; |
| } |
| |
| STDMETHODIMP CID3Field::get_Text(long ItemNum, BSTR *pVal) |
| { |
| USES_CONVERSION; |
| luint TryChars = 0; |
| luint GotChars = 0; |
| try |
| { |
| *pVal = NULL; |
| size_t nText = m_Field->Size(); |
| if(m_Field->GetEncoding() == ID3TE_UNICODE) |
| { |
| unicode_t* sText = new unicode_t[nText + 1]; |
| try |
| { |
| m_Field->Get(sText, nText, ItemNum - 1); |
| sText[nText] = '\0'; |
| *pVal = SysAllocString(sText); |
| } |
| catch (...) |
| { |
| *pVal = NULL; |
| } |
| delete [] sText; |
| } |
| else |
| { |
| char* sText = new char[nText + 1]; |
| try |
| { |
| m_Field->Get(sText, nText, ItemNum - 1); |
| sText[nText] = '\0'; |
| *pVal = SysAllocString(A2W(sText)); |
| } |
| catch (...) |
| { |
| *pVal = NULL; |
| } |
| delete [] sText; |
| } |
| return S_OK; |
| } |
| catch (...) |
| { |
| return Error(IDS_UNEXPECTED_ERROR, IID_IID3ComField, E_UNEXPECTED); |
| } |
| } |
| |
| STDMETHODIMP CID3Field::put_Text(long ItemNum, BSTR newVal) |
| { |
| try |
| { |
| m_Field->Set(newVal); |
| return S_OK; |
| } |
| catch (...) |
| { |
| return Error(IDS_UNEXPECTED_ERROR, IID_IID3ComField, E_UNEXPECTED); |
| } |
| } |
| |
| STDMETHODIMP CID3Field::get_Long(long *pVal) |
| { |
| try |
| { |
| *pVal = m_Field->Get(); |
| return S_OK; |
| } |
| catch (...) |
| { |
| return Error(IDS_UNEXPECTED_ERROR, IID_IID3ComField, E_UNEXPECTED); |
| } |
| } |
| |
| STDMETHODIMP CID3Field::put_Long(long newVal) |
| { |
| try |
| { |
| m_Field->Set(newVal); |
| return S_OK; |
| } |
| catch (...) |
| { |
| return Error(IDS_UNEXPECTED_ERROR, IID_IID3ComField, E_UNEXPECTED); |
| } |
| } |
| |
| STDMETHODIMP CID3Field::Clear() |
| { |
| try |
| { |
| m_Field->Clear(); |
| return S_OK; |
| } |
| catch (...) |
| { |
| return Error(IDS_UNEXPECTED_ERROR, IID_IID3ComField, E_UNEXPECTED); |
| } |
| } |
| |
| STDMETHODIMP CID3Field::CopyDataToFile(BSTR FileName) |
| { |
| USES_CONVERSION; |
| try |
| { |
| m_Field->ToFile(OLE2A(FileName)); |
| return S_OK; |
| } |
| catch (...) |
| { |
| return Error(IDS_UNEXPECTED_ERROR, IID_IID3ComField, E_UNEXPECTED); |
| } |
| } |
| |
| STDMETHODIMP CID3Field::CopyDataFromFile(BSTR FileName) |
| { |
| USES_CONVERSION; |
| try |
| { |
| m_Field->FromFile(OLE2A(FileName)); |
| return S_OK; |
| } |
| catch (...) |
| { |
| return Error(IDS_UNEXPECTED_ERROR, IID_IID3ComField, E_UNEXPECTED); |
| } |
| } |
| |
| STDMETHODIMP CID3Field::get_NumTextItems(long *pVal) |
| { |
| try |
| { |
| *pVal = m_Field->GetNumTextItems(); |
| return S_OK; |
| } |
| catch (...) |
| { |
| return Error(IDS_UNEXPECTED_ERROR, IID_IID3ComField, E_UNEXPECTED); |
| } |
| } |
| |
| STDMETHODIMP CID3Field::get_Binary(BSTR *pVal) |
| { |
| // TODO: Add your implementation code here |
| if (pVal == NULL) |
| return E_POINTER; |
| try |
| { |
| *pVal = NULL; |
| const uchar *pData = m_Field->GetRawBinary(); |
| if (pData == NULL) |
| return E_FAIL; |
| ID3_Frame *pFrame = ((CID3Frame*)m_FrameParent)->GetID3Frame(); |
| if (pFrame->GetID() == ID3FID_PICTURE) |
| { |
| *pVal = _bstr_t((LPCTSTR)pData).copy(); |
| } |
| else |
| { |
| *pVal = SysAllocStringByteLen((const char *)pData,m_Field->Size()); |
| } |
| } |
| catch (...) |
| { |
| return Error(IDS_UNEXPECTED_ERROR, IID_IID3ComField, E_UNEXPECTED); |
| } |
| return S_OK; |
| } |
| |
| STDMETHODIMP CID3Field::put_Binary(BSTR newVal) |
| { |
| // TODO: Add your implementation code here |
| try |
| { |
| size_t Size = SysStringByteLen(newVal); |
| m_Field->Set((const uchar *)newVal,Size); |
| } |
| catch (...) |
| { |
| return Error(IDS_UNEXPECTED_ERROR, IID_IID3ComField, E_UNEXPECTED); |
| } |
| return S_OK; |
| } |
| /////////////////////////////////////////////////////// |
| // End Added Philip Oldaker 12-Aug 2000 |
| /////////////////////////////////////////////////////// |
| |