1 /************************************************************** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * 20 *************************************************************/ 21 22 23 24 #ifndef _CONNECTIVITY_DBASE_TABLE_HXX_ 25 #define _CONNECTIVITY_DBASE_TABLE_HXX_ 26 27 #include "file/FTable.hxx" 28 #include "connectivity/sdbcx/VColumn.hxx" 29 #include "connectivity/CommonTools.hxx" 30 #include <tools/urlobj.hxx> 31 32 33 namespace connectivity 34 { 35 namespace dbase 36 { 37 typedef file::OFileTable ODbaseTable_BASE; 38 class ODbaseConnection; 39 40 typedef ::std::map< ::rtl::OUString, 41 ::com::sun::star::uno::Reference< ::com::sun::star::container::XNamed>, comphelper::UStringMixLess > OContainer; 42 43 class ODbaseTable : public ODbaseTable_BASE 44 { 45 // der Typ einer dBase datei wird mit dem ersten Byte bestimmt 46 public: 47 enum DBFType { dBaseIII = 0x03, 48 dBaseIV = 0x04, 49 dBaseV = 0x05, 50 VisualFoxPro = 0x30, 51 VisualFoxProAuto = 0x31, // Visual FoxPro w. AutoIncrement field 52 dBaseFS = 0x43, 53 dBaseFSMemo = 0xB3, 54 dBaseIIIMemo = 0x83, 55 dBaseIVMemo = 0x8B, 56 dBaseIVMemoSQL = 0x8E, 57 FoxProMemo = 0xF5 58 }; 59 enum DBFMemoType { MemodBaseIII = 0, 60 MemodBaseIV, 61 MemoFoxPro 62 }; 63 64 private: 65 struct DBFHeader { /* Kopfsatz-Struktur */ 66 DBFType db_typ; /* Dateityp */ 67 sal_uInt8 db_aedat[3]; /* Datum der letzen Aenderung */ 68 /* JJ MM TT */ 69 sal_uInt32 db_anz; /* Anzahl der Saetze */ 70 sal_uInt16 db_kopf; /* laenge Kopfsatz-Struktur */ 71 sal_uInt16 db_slng; /* laenge der Daten-Saetze */ 72 sal_uInt8 db_frei[20]; /* reserviert */ 73 }; 74 struct DBFColumn { /* Feldbezeichner */ 75 sal_uInt8 db_fnm[11]; /* Feldname */ 76 sal_uInt8 db_typ; /* Feldtyp */ 77 sal_uInt32 db_adr; /* Feldadresse */ 78 sal_uInt8 db_flng; /* Feldlaenge */ 79 sal_uInt8 db_dez; /* Dezimalstellen fuer N */ 80 sal_uInt8 db_frei2[14]; /* reserviert */ 81 }; 82 struct DBFMemoHeader 83 { 84 DBFMemoType db_typ; /* Dateityp */ 85 sal_uInt32 db_next; /* naechster freier Block */ 86 sal_uInt16 db_size; /* Blockgroesse: dBase 3 fest */ 87 }; 88 89 ::std::vector<sal_Int32> m_aTypes; // holds all type for columns just to avoid to ask the propertyset 90 ::std::vector<sal_Int32> m_aPrecisions; // same as aboth 91 ::std::vector<sal_Int32> m_aScales; 92 ::std::vector<sal_Int32> m_aRealFieldLengths; 93 DBFHeader m_aHeader; 94 DBFMemoHeader m_aMemoHeader; 95 SvStream* m_pMemoStream; 96 rtl_TextEncoding m_eEncoding; 97 sal_Bool m_bWriteableMemo; 98 99 void alterColumn(sal_Int32 index, 100 const ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet>& descriptor , 101 const ::com::sun::star::uno::Reference< ::com::sun::star::sdbcx::XDataDescriptorFactory>& xOldColumn ); 102 void readHeader(); 103 void fillColumns(); 104 String createTempFile(); 105 void copyData(ODbaseTable* _pNewTable,sal_Int32 _nPos); 106 sal_Bool CreateFile(const INetURLObject& aFile, sal_Bool& bCreateMemo); 107 sal_Bool CreateMemoFile(const INetURLObject& aFile); HasMemoFields() const108 sal_Bool HasMemoFields() const { return m_aHeader.db_typ > dBaseIV;} 109 sal_Bool ReadMemoHeader(); 110 sal_Bool ReadMemo(sal_uIntPtr nBlockNo, ORowSetValue& aVariable); 111 112 sal_Bool WriteMemo(ORowSetValue& aVariable, sal_uIntPtr& rBlockNr); 113 sal_Bool WriteBuffer(); 114 sal_Bool UpdateBuffer(OValueRefVector& rRow, OValueRefRow pOrgRow,const ::com::sun::star::uno::Reference< ::com::sun::star::container::XIndexAccess>& _xCols); 115 ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet> isUniqueByColumnName(sal_Int32 _nColumnPos); 116 void AllocBuffer(); 117 118 void throwInvalidDbaseFormat(); 119 void SAL_CALL renameImpl( const ::rtl::OUString& newName ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::container::ElementExistException, ::com::sun::star::uno::RuntimeException); 120 void throwInvalidColumnType(const sal_uInt16 _nErrorId,const ::rtl::OUString& _sColumnName); 121 122 protected: 123 virtual void FileClose(); 124 // using ::connectivity::sdbcx::OTableDescriptor_BASE::rBHelper; 125 126 public: 127 virtual void refreshColumns(); 128 virtual void refreshIndexes(); 129 130 public: 131 ODbaseTable( sdbcx::OCollection* _pTables,ODbaseConnection* _pConnection); 132 ODbaseTable( sdbcx::OCollection* _pTables,ODbaseConnection* _pConnection, 133 const ::rtl::OUString& _Name, 134 const ::rtl::OUString& _Type, 135 const ::rtl::OUString& _Description = ::rtl::OUString(), 136 const ::rtl::OUString& _SchemaName = ::rtl::OUString(), 137 const ::rtl::OUString& _CatalogName = ::rtl::OUString() 138 ); 139 140 void construct(); // can throw any exception 141 142 virtual sal_Int32 getCurrentLastPos() const; 143 virtual sal_Bool seekRow(IResultSetHelper::Movement eCursorPosition, sal_Int32 nOffset, sal_Int32& nCurPos); 144 virtual sal_Bool fetchRow(OValueRefRow& _rRow,const OSQLColumns& _rCols, sal_Bool _bUseTableDefs,sal_Bool bRetrieveData); 145 146 virtual ::com::sun::star::uno::Any SAL_CALL queryInterface( const ::com::sun::star::uno::Type & rType ) throw(::com::sun::star::uno::RuntimeException); 147 //XTypeProvider 148 virtual ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Type > SAL_CALL getTypes( ) throw(::com::sun::star::uno::RuntimeException); 149 virtual void SAL_CALL disposing(void); 150 151 // com::sun::star::lang::XUnoTunnel 152 virtual sal_Int64 SAL_CALL getSomething( const ::com::sun::star::uno::Sequence< sal_Int8 >& aIdentifier ) throw(::com::sun::star::uno::RuntimeException); 153 static ::com::sun::star::uno::Sequence< sal_Int8 > getUnoTunnelImplementationId(); 154 // XAlterTable 155 virtual void SAL_CALL alterColumnByName( const ::rtl::OUString& colName, const ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet >& descriptor ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::container::NoSuchElementException, ::com::sun::star::uno::RuntimeException); 156 virtual void SAL_CALL alterColumnByIndex( sal_Int32 index, const ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet >& descriptor ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException); 157 // XRename 158 virtual void SAL_CALL rename( const ::rtl::OUString& newName ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::container::ElementExistException, ::com::sun::star::uno::RuntimeException); 159 160 sal_Bool DropImpl(); 161 sal_Bool CreateImpl(); 162 163 164 virtual sal_Bool InsertRow(OValueRefVector& rRow, sal_Bool bFlush,const ::com::sun::star::uno::Reference< ::com::sun::star::container::XIndexAccess>& _xCols); 165 virtual sal_Bool DeleteRow(const OSQLColumns& _rCols); 166 virtual sal_Bool UpdateRow(OValueRefVector& rRow, OValueRefRow& pOrgRow,const ::com::sun::star::uno::Reference< ::com::sun::star::container::XIndexAccess>& _xCols); 167 168 virtual void addColumn(const ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet>& descriptor); 169 virtual void dropColumn(sal_Int32 _nPos); 170 171 static String getEntry(file::OConnection* _pConnection,const ::rtl::OUString& _sURL ); 172 static sal_Bool Drop_Static(const ::rtl::OUString& _sUrl,sal_Bool _bHasMemoFields,sdbcx::OCollection* _pIndexes ); 173 174 virtual void refreshHeader(); 175 176 virtual ::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XDatabaseMetaData> getMetaData() const; 177 }; 178 } 179 } 180 #endif // _CONNECTIVITY_DBASE_TABLE_HXX_ 181 182