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27 
28 #include "internal/types.hxx"
29 
30 //+-------------------------------------------------------------------------
31 //
32 //  Contents:   OpenOffice.org filter declarations
33 //
34 //  Platform:   Windows 2000, Windows XP
35 //
36 //--------------------------------------------------------------------------
37 
38 #pragma once
39 
40 //+-------------------------------------------------------------------------
41 //
42 //  forward declaration
43 //
44 //--------------------------------------------------------------------------
45 class CContentReader;
46 class CMetaInfoReader;
47 class CFullPropSpec;
48 
49 //+-------------------------------------------------------------------------
50 //
51 //  Global definitions
52 //
53 //--------------------------------------------------------------------------
54 
55 long g_lInstances = 0;                        // Global count of COooFilter and COooFilterCF instances
56 GUID const guidStorage = PSGUID_STORAGE;      // GUID for storage property set
57 
58 //C-------------------------------------------------------------------------
59 //
60 //  Class:      COooFilter
61 //
62 //  Purpose:    Implements interfaces of OpenOffice.org filter
63 //
64 //--------------------------------------------------------------------------
65 
66 // OooFilter Class ID
67 // {7BC0E710-5703-45be-A29D-5D46D8B39262}
68 GUID const CLSID_COooFilter =
69 {
70     0x7bc0e710,
71     0x5703,
72     0x45be,
73     { 0xa2, 0x9d, 0x5d, 0x46, 0xd8, 0xb3, 0x92, 0x62 }
74 };
75 
76 // OpenOffice.org Persistent Handler Class ID
77 // {7BC0E713-5703-45be-A29D-5D46D8B39262}
78 const CLSID CLSID_PERSISTENT_HANDLER =
79 {0x7bc0e713, 0x5703, 0x45be, {0xa2, 0x9d, 0x5d, 0x46, 0xd8, 0xb3, 0x92, 0x62}};
80 
81 // OpenOffice.org Persistent Handler Addin Registered Class ID
82 // {89BCB740-6119-101A-BCB7-00DD010655AF}
83 const CLSID CLSID_PERSISTENT_HANDLER_ADDIN =
84 {0x89bcb740, 0x6119, 0x101a, {0xbc, 0xb7, 0x00, 0xdd, 0x01, 0x06, 0x55, 0xaf}};
85 
86 // OpenOffice.org Filter Handler Class ID
87 // {7BC0E710-5703-45be-A29D-5D46D8B39262}
88 const CLSID CLSID_FILTER_HANDLER =
89 {0x7bc0e710, 0x5703, 0x45be, {0xa2, 0x9d, 0x5d, 0x46, 0xd8, 0xb3, 0x92, 0x62}};
90 
91 enum FilterState
92 {
93     FilteringContent,                           // Filtering the content property
94     FilteringProperty                           // Filtering the pseudo property
95 };
96 class COooFilter : public IFilter, public IPersistFile, public IPersistStream
97 {
98 public:
99     // From IUnknown
100     virtual  SCODE STDMETHODCALLTYPE  QueryInterface(
101         REFIID riid,
102         void  ** ppvObject);
103     virtual  ULONG STDMETHODCALLTYPE  AddRef();
104     virtual  ULONG STDMETHODCALLTYPE  Release();
105 
106     // From IFilter
107     virtual  SCODE STDMETHODCALLTYPE  Init(
108         ULONG grfFlags,
109         ULONG cAttributes,
110         FULLPROPSPEC const * aAttributes,
111         ULONG * pFlags);
112     virtual  SCODE STDMETHODCALLTYPE  GetChunk(
113         STAT_CHUNK * pStat);
114     virtual  SCODE STDMETHODCALLTYPE  GetText(
115         ULONG * pcwcBuffer,
116         WCHAR * awcBuffer);
117 
118     virtual  SCODE STDMETHODCALLTYPE  GetValue(
119         PROPVARIANT ** ppPropValue);
120 
121     virtual  SCODE STDMETHODCALLTYPE  BindRegion(
122         FILTERREGION origPos,
123         REFIID riid,
124         void ** ppunk);
125 
126     // From IPersistFile
127     virtual  SCODE STDMETHODCALLTYPE  GetClassID(
128         CLSID * pClassID);
129     virtual  SCODE STDMETHODCALLTYPE  IsDirty();
130     virtual  SCODE STDMETHODCALLTYPE  Load(
131         LPCWSTR pszFileName,
132         DWORD dwMode);
133     virtual  SCODE STDMETHODCALLTYPE  Save(
134         LPCWSTR pszFileName,
135         BOOL fRemember);
136 
137     virtual  SCODE STDMETHODCALLTYPE  SaveCompleted(
138         LPCWSTR pszFileName);
139 
140     virtual  SCODE STDMETHODCALLTYPE  GetCurFile(
141         LPWSTR  * ppszFileName);
142 
143 	// From IPersistStream
144 	virtual SCODE STDMETHODCALLTYPE  Load(
145 		IStream *pStm);
146 
147 	virtual SCODE STDMETHODCALLTYPE Save(
148 		IStream *pStm,
149 		BOOL fClearDirty);
150 
151 	virtual SCODE STDMETHODCALLTYPE  GetSizeMax(
152 		ULARGE_INTEGER *pcbSize);
153 
154 
155 private:
156     friend class COooFilterCF;
157 
158     COooFilter();
159     virtual ~COooFilter();
160 
161     long                      m_lRefs;                  // Reference count
162 	CContentReader *          m_pContentReader;         // A content reader that retrive document content.
163 	CMetaInfoReader *         m_pMetaInfoReader;        // A metainfo reader that retrive document metainfo.
164     FilterState               m_eState;                 // State of filtering
165 	::std::wstring            m_pwszFileName;           // Name of input file to filter
166     ULONG                     m_ulUnicodeBufferLen;     // UNICODE Characters read from file to chunk buffer
167     ULONG                     m_ulUnicodeCharsRead;     // UNICODE Characters read from chunk buffer
168 	ULONG                     m_ulPropertyNum;          // Number of properties that has been processed
169 	ULONG                     m_ulCurrentPropertyNum;   // Current Property that is processing;
170     ULONG                     m_ulChunkID;              // Current chunk id
171     BOOL                      m_fContents;              // TRUE if contents requested
172     BOOL                      m_fEof;                   // TRUE if end of file reached
173 	::std::wstring            m_pwsBuffer;              // Buffer to save UNICODE content from ChunkBuffer.
174     ULONG			          m_ChunkPosition;          // Chunk pointer to specify the current Chunk;
175     ULONG                     m_cAttributes;            // Count of attributes
176     CFullPropSpec *           m_pAttributes;            // Attributes to filter
177 	IStream *                 m_pStream;
178 
179 };
180 
181 //C-------------------------------------------------------------------------
182 //
183 //  Class:      COooFilterCF
184 //
185 //  Purpose:    Implements class factory for OpenOffice.org filter
186 //
187 //--------------------------------------------------------------------------
188 
189 class COooFilterCF : public IClassFactory
190 {
191 public:
192     // From IUnknown
193     virtual  SCODE STDMETHODCALLTYPE  QueryInterface(
194         REFIID riid,
195         void  ** ppvObject);
196 
197     virtual  ULONG STDMETHODCALLTYPE  AddRef();
198     virtual  ULONG STDMETHODCALLTYPE  Release();
199 
200     // From IClassFactory
201     virtual  SCODE STDMETHODCALLTYPE  CreateInstance(
202         IUnknown * pUnkOuter,
203         REFIID riid, void  ** ppvObject);
204 
205     virtual  SCODE STDMETHODCALLTYPE  LockServer(
206         BOOL fLock);
207 
208 private:
209     friend SCODE STDMETHODCALLTYPE DllGetClassObject(
210         REFCLSID   cid,
211         REFIID     iid,
212         void **    ppvObj);
213 
214     COooFilterCF();
215     virtual  ~COooFilterCF();
216 
217     long m_lRefs;           // Reference count
218 };
219