shell/source/win32/shlxthandler/ooofilt/ooofilt.hxx

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  30
  31 #include "internal/types.hxx"
  32
  33 //+-------------------------------------------------------------------------
  34 //
  35 //  Contents:   OpenOffice.org filter declarations
  36 //
  37 //  Platform:   Windows 2000, Windows XP
  38 //
  39 //--------------------------------------------------------------------------
  40
  41 #pragma once
  42
  43 //+-------------------------------------------------------------------------
  44 //
  45 //  forward declaration
  46 //
  47 //--------------------------------------------------------------------------
  48 class CContentReader;
  49 class CMetaInfoReader;
  50 class CFullPropSpec;
  51
  52 //+-------------------------------------------------------------------------
  53 //
  54 //  Global definitions
  55 //
  56 //--------------------------------------------------------------------------
  57
  58 long g_lInstances = 0;                        // Global count of COooFilter and COooFilterCF instances
  59 GUID const guidStorage = PSGUID_STORAGE;      // GUID for storage property set
  60
  61 //C-------------------------------------------------------------------------
  62 //
  63 //  Class:      COooFilter
  64 //
  65 //  Purpose:    Implements interfaces of OpenOffice.org filter
  66 //
  67 //--------------------------------------------------------------------------
  68
  69 // OooFilter Class ID
  70 // {7BC0E710-5703-45be-A29D-5D46D8B39262}
  71 GUID const CLSID_COooFilter =
  72 {
  73     0x7bc0e710,
  74     0x5703,
  75     0x45be,
  76     { 0xa2, 0x9d, 0x5d, 0x46, 0xd8, 0xb3, 0x92, 0x62 }
  77 };
  78
  79 // OpenOffice.org Persistent Handler Class ID
  80 // {7BC0E713-5703-45be-A29D-5D46D8B39262}
  81 const CLSID CLSID_PERSISTENT_HANDLER =
  82 {0x7bc0e713, 0x5703, 0x45be, {0xa2, 0x9d, 0x5d, 0x46, 0xd8, 0xb3, 0x92, 0x62}};
  83
  84 // OpenOffice.org Persistent Handler Addin Registered Class ID
  85 // {89BCB740-6119-101A-BCB7-00DD010655AF}
  86 const CLSID CLSID_PERSISTENT_HANDLER_ADDIN =
  87 {0x89bcb740, 0x6119, 0x101a, {0xbc, 0xb7, 0x00, 0xdd, 0x01, 0x06, 0x55, 0xaf}};
  88
  89 // OpenOffice.org Filter Handler Class ID
  90 // {7BC0E710-5703-45be-A29D-5D46D8B39262}
  91 const CLSID CLSID_FILTER_HANDLER =
  92 {0x7bc0e710, 0x5703, 0x45be, {0xa2, 0x9d, 0x5d, 0x46, 0xd8, 0xb3, 0x92, 0x62}};
  93
  94 enum FilterState
  95 {
  96     FilteringContent,                           // Filtering the content property
  97     FilteringProperty                           // Filtering the pseudo property
  98 };
  99 class COooFilter : public IFilter, public IPersistFile, public IPersistStream
 100 {
 101 public:
 102     // From IUnknown
 103     virtual  SCODE STDMETHODCALLTYPE  QueryInterface(
 104         REFIID riid,
 105         void  ** ppvObject);
 106     virtual  ULONG STDMETHODCALLTYPE  AddRef();
 107     virtual  ULONG STDMETHODCALLTYPE  Release();
 108
 109     // From IFilter
 110     virtual  SCODE STDMETHODCALLTYPE  Init(
 111         ULONG grfFlags,
 112         ULONG cAttributes,
 113         FULLPROPSPEC const * aAttributes,
 114         ULONG * pFlags);
 115     virtual  SCODE STDMETHODCALLTYPE  GetChunk(
 116         STAT_CHUNK * pStat);
 117     virtual  SCODE STDMETHODCALLTYPE  GetText(
 118         ULONG * pcwcBuffer,
 119         WCHAR * awcBuffer);
 120
 121     virtual  SCODE STDMETHODCALLTYPE  GetValue(
 122         PROPVARIANT ** ppPropValue);
 123
 124     virtual  SCODE STDMETHODCALLTYPE  BindRegion(
 125         FILTERREGION origPos,
 126         REFIID riid,
 127         void ** ppunk);
 128
 129     // From IPersistFile
 130     virtual  SCODE STDMETHODCALLTYPE  GetClassID(
 131         CLSID * pClassID);
 132     virtual  SCODE STDMETHODCALLTYPE  IsDirty();
 133     virtual  SCODE STDMETHODCALLTYPE  Load(
 134         LPCWSTR pszFileName,
 135         DWORD dwMode);
 136     virtual  SCODE STDMETHODCALLTYPE  Save(
 137         LPCWSTR pszFileName,
 138         BOOL fRemember);
 139
 140     virtual  SCODE STDMETHODCALLTYPE  SaveCompleted(
 141         LPCWSTR pszFileName);
 142
 143     virtual  SCODE STDMETHODCALLTYPE  GetCurFile(
 144         LPWSTR  * ppszFileName);
 145
 146     // From IPersistStream
 147     virtual SCODE STDMETHODCALLTYPE  Load(
 148         IStream *pStm);
 149
 150     virtual SCODE STDMETHODCALLTYPE Save(
 151         IStream *pStm,
 152         BOOL fClearDirty);
 153
 154     virtual SCODE STDMETHODCALLTYPE  GetSizeMax(
 155         ULARGE_INTEGER *pcbSize);
 156
 157
 158 private:
 159     friend class COooFilterCF;
 160
 161     COooFilter();
 162     virtual ~COooFilter();
 163
 164     long                      m_lRefs;                  // Reference count
 165     CContentReader *          m_pContentReader;         // A content reader that retrive document content.
 166     CMetaInfoReader *         m_pMetaInfoReader;        // A metainfo reader that retrive document metainfo.
 167     FilterState               m_eState;                 // State of filtering
 168     ::std::wstring            m_pwszFileName;           // Name of input file to filter
 169     ULONG                     m_ulUnicodeBufferLen;     // UNICODE Characters read from file to chunk buffer
 170     ULONG                     m_ulUnicodeCharsRead;     // UNICODE Characters read from chunk buffer
 171     ULONG                     m_ulPropertyNum;          // Number of properties that has been processed
 172     ULONG                     m_ulCurrentPropertyNum;   // Current Property that is processing;
 173     ULONG                     m_ulChunkID;              // Current chunk id
 174     BOOL                      m_fContents;              // TRUE if contents requested
 175     BOOL                      m_fEof;                   // TRUE if end of file reached
 176     ::std::wstring            m_pwsBuffer;              // Buffer to save UNICODE content from ChunkBuffer.
 177     ULONG                                 m_ChunkPosition;          // Chunk pointer to specify the current Chunk;
 178     ULONG                     m_cAttributes;            // Count of attributes
 179     CFullPropSpec *           m_pAttributes;            // Attributes to filter
 180     IStream *                 m_pStream;
 181
 182 };
 183
 184 //C-------------------------------------------------------------------------
 185 //
 186 //  Class:      COooFilterCF
 187 //
 188 //  Purpose:    Implements class factory for OpenOffice.org filter
 189 //
 190 //--------------------------------------------------------------------------
 191
 192 class COooFilterCF : public IClassFactory
 193 {
 194 public:
 195     // From IUnknown
 196     virtual  SCODE STDMETHODCALLTYPE  QueryInterface(
 197         REFIID riid,
 198         void  ** ppvObject);
 199
 200     virtual  ULONG STDMETHODCALLTYPE  AddRef();
 201     virtual  ULONG STDMETHODCALLTYPE  Release();
 202
 203     // From IClassFactory
 204     virtual  SCODE STDMETHODCALLTYPE  CreateInstance(
 205         IUnknown * pUnkOuter,
 206         REFIID riid, void  ** ppvObject);
 207
 208     virtual  SCODE STDMETHODCALLTYPE  LockServer(
 209         BOOL fLock);
 210
 211 private:
 212     friend SCODE STDMETHODCALLTYPE DllGetClassObject(
 213         REFCLSID   cid,
 214         REFIID     iid,
 215         void **    ppvObj);
 216
 217     COooFilterCF();
 218     virtual  ~COooFilterCF();
 219
 220     long m_lRefs;           // Reference count
 221 };
 222
 223 extern "C" {
 224
 225     voidpf ZCALLBACK cb_sopen OF((voidpf opaque, const char * filename, int mode));
 226     uLong ZCALLBACK cb_sread OF((voidpf opaque, voidpf stream, void* vuf, uLong size));
 227     uLong ZCALLBACK cb_swrite OF((voidpf opaque, voidpf stream, const void* buf, uLong size));
 228     long ZCALLBACK cb_stell OF((voidpf opaque, voidpf stream));
 229     long ZCALLBACK cb_sseek OF((voidpf opaque, voidpf stream, uLong offset, int origin));
 230     int ZCALLBACK cb_sclose OF((voidpf opaque, voidpf stream));
 231     int ZCALLBACK cb_serror OF((voidpf opaque, voidpf stream));
 232
 233     void fill_stream_filefunc (zlib_filefunc_def* pzlib_filefunc_def);
 234
 235 }
 236
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