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1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
6 : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : *
9 : * This file incorporates work covered by the following license notice:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
14 : * ownership. The ASF licenses this file to you under the Apache
15 : * License, Version 2.0 (the "License"); you may not use this file
16 : * except in compliance with the License. You may obtain a copy of
17 : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : */
19 :
20 : #ifndef _CONNECTIVITY_DBASE_TABLE_HXX_
21 : #define _CONNECTIVITY_DBASE_TABLE_HXX_
22 :
23 : #include "file/FTable.hxx"
24 : #include "connectivity/sdbcx/VColumn.hxx"
25 : #include "connectivity/CommonTools.hxx"
26 : #include <tools/urlobj.hxx>
27 :
28 :
29 : namespace connectivity
30 : {
31 : namespace dbase
32 : {
33 : typedef file::OFileTable ODbaseTable_BASE;
34 : class ODbaseConnection;
35 :
36 : typedef ::std::map< ::rtl::OUString,
37 : ::com::sun::star::uno::Reference< ::com::sun::star::container::XNamed>, comphelper::UStringMixLess > OContainer;
38 :
39 0 : class ODbaseTable : public ODbaseTable_BASE
40 : {
41 : // The first byte of a dBase file specifies its type
42 : public:
43 : enum DBFType { dBaseIII = 0x03,
44 : dBaseIV = 0x04,
45 : dBaseV = 0x05,
46 : VisualFoxPro = 0x30,
47 : VisualFoxProAuto = 0x31, // Visual FoxPro with AutoIncrement field
48 : dBaseFS = 0x43,
49 : dBaseFSMemo = 0xB3,
50 : dBaseIIIMemo = 0x83,
51 : dBaseIVMemo = 0x8B,
52 : dBaseIVMemoSQL = 0x8E,
53 : FoxProMemo = 0xF5
54 : };
55 : enum DBFMemoType { MemodBaseIII = 0,
56 : MemodBaseIV,
57 : MemoFoxPro
58 : };
59 :
60 : private:
61 : struct DBFHeader { /* Header struct */
62 : DBFType db_typ; /* File type */
63 : sal_uInt8 db_aedat[3]; /* Date of last change */
64 : /* YY MM DD */
65 : sal_uInt32 db_anz; /* Data set count */
66 : sal_uInt16 db_kopf; /* Header length */
67 : sal_uInt16 db_slng; /* Data set length */
68 : sal_uInt8 db_frei[20]; /* Reserved */
69 : };
70 : struct DBFColumn { /* Column descriptors */
71 : sal_uInt8 db_fnm[11]; /* Field name */
72 : sal_uInt8 db_typ; /* Field type */
73 : sal_uInt32 db_adr; /* Field address */
74 : sal_uInt8 db_flng; /* Field length */
75 : sal_uInt8 db_dez; /* Decimal places for N */
76 : sal_uInt8 db_frei2[14]; /* Reserved */
77 : };
78 : struct DBFMemoHeader
79 : {
80 : DBFMemoType db_typ; /* File type */
81 : sal_uInt32 db_next; /* Next free block */
82 : sal_uInt16 db_size; /* Block size: dBase 3 fixed */
83 : };
84 :
85 : ::std::vector<sal_Int32> m_aTypes; // holds all types for columns just to avoid to ask the propertyset
86 : ::std::vector<sal_Int32> m_aPrecisions; // same as above
87 : ::std::vector<sal_Int32> m_aScales;
88 : ::std::vector<sal_Int32> m_aRealFieldLengths;
89 : DBFHeader m_aHeader;
90 : DBFMemoHeader m_aMemoHeader;
91 : SvStream* m_pMemoStream;
92 : rtl_TextEncoding m_eEncoding;
93 : sal_Bool m_bWriteableMemo;
94 :
95 : void alterColumn(sal_Int32 index,
96 : const ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet>& descriptor ,
97 : const ::com::sun::star::uno::Reference< ::com::sun::star::sdbcx::XDataDescriptorFactory>& xOldColumn );
98 : void readHeader();
99 : void fillColumns();
100 : String createTempFile();
101 : void copyData(ODbaseTable* _pNewTable,sal_Int32 _nPos);
102 : sal_Bool CreateFile(const INetURLObject& aFile, sal_Bool& bCreateMemo);
103 : sal_Bool CreateMemoFile(const INetURLObject& aFile);
104 0 : sal_Bool HasMemoFields() const { return m_aHeader.db_typ > dBaseIV;}
105 : sal_Bool ReadMemoHeader();
106 : sal_Bool ReadMemo(sal_uIntPtr nBlockNo, ORowSetValue& aVariable);
107 :
108 : sal_Bool WriteMemo(const ORowSetValue& aVariable, sal_uIntPtr& rBlockNr);
109 : sal_Bool WriteBuffer();
110 : sal_Bool UpdateBuffer(OValueRefVector& rRow, OValueRefRow pOrgRow,const ::com::sun::star::uno::Reference< ::com::sun::star::container::XIndexAccess>& _xCols, bool bForceAllFields);
111 : ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet> isUniqueByColumnName(sal_Int32 _nColumnPos);
112 : void AllocBuffer();
113 :
114 : void throwInvalidDbaseFormat();
115 : void SAL_CALL renameImpl( const ::rtl::OUString& newName ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::container::ElementExistException, ::com::sun::star::uno::RuntimeException);
116 : void throwInvalidColumnType(const sal_uInt16 _nErrorId,const ::rtl::OUString& _sColumnName);
117 :
118 : protected:
119 : virtual void FileClose();
120 : // using ::connectivity::sdbcx::OTableDescriptor_BASE::rBHelper;
121 :
122 : public:
123 : virtual void refreshColumns();
124 : virtual void refreshIndexes();
125 :
126 : public:
127 : ODbaseTable( sdbcx::OCollection* _pTables,ODbaseConnection* _pConnection);
128 : ODbaseTable( sdbcx::OCollection* _pTables,ODbaseConnection* _pConnection,
129 : const ::rtl::OUString& _Name,
130 : const ::rtl::OUString& _Type,
131 : const ::rtl::OUString& _Description = ::rtl::OUString(),
132 : const ::rtl::OUString& _SchemaName = ::rtl::OUString(),
133 : const ::rtl::OUString& _CatalogName = ::rtl::OUString()
134 : );
135 :
136 : void construct(); // can throw any exception
137 :
138 : virtual sal_Int32 getCurrentLastPos() const;
139 : virtual sal_Bool seekRow(IResultSetHelper::Movement eCursorPosition, sal_Int32 nOffset, sal_Int32& nCurPos);
140 : virtual sal_Bool fetchRow(OValueRefRow& _rRow,const OSQLColumns& _rCols, sal_Bool _bUseTableDefs,sal_Bool bRetrieveData);
141 :
142 : virtual ::com::sun::star::uno::Any SAL_CALL queryInterface( const ::com::sun::star::uno::Type & rType ) throw(::com::sun::star::uno::RuntimeException);
143 : //XTypeProvider
144 : virtual ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Type > SAL_CALL getTypes( ) throw(::com::sun::star::uno::RuntimeException);
145 : virtual void SAL_CALL disposing(void);
146 :
147 : // com::sun::star::lang::XUnoTunnel
148 : virtual sal_Int64 SAL_CALL getSomething( const ::com::sun::star::uno::Sequence< sal_Int8 >& aIdentifier ) throw(::com::sun::star::uno::RuntimeException);
149 : static ::com::sun::star::uno::Sequence< sal_Int8 > getUnoTunnelImplementationId();
150 : // XAlterTable
151 : 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);
152 : 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);
153 : // XRename
154 : 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);
155 :
156 : sal_Bool DropImpl();
157 : sal_Bool CreateImpl();
158 :
159 :
160 : virtual sal_Bool InsertRow(OValueRefVector& rRow, sal_Bool bFlush,const ::com::sun::star::uno::Reference< ::com::sun::star::container::XIndexAccess>& _xCols);
161 : virtual sal_Bool DeleteRow(const OSQLColumns& _rCols);
162 : virtual sal_Bool UpdateRow(OValueRefVector& rRow, OValueRefRow& pOrgRow,const ::com::sun::star::uno::Reference< ::com::sun::star::container::XIndexAccess>& _xCols);
163 :
164 : virtual void addColumn(const ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet>& descriptor);
165 : virtual void dropColumn(sal_Int32 _nPos);
166 :
167 : static String getEntry(file::OConnection* _pConnection,const ::rtl::OUString& _sURL );
168 : static sal_Bool Drop_Static(const ::rtl::OUString& _sUrl,sal_Bool _bHasMemoFields,sdbcx::OCollection* _pIndexes );
169 :
170 : virtual void refreshHeader();
171 :
172 : virtual ::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XDatabaseMetaData> getMetaData() const;
173 : };
174 : }
175 : }
176 : #endif // _CONNECTIVITY_DBASE_TABLE_HXX_
177 :
178 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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