1 : /******************************************************************************
2 : * $Id: ogr_pgdump.h 22821 2011-07-28 17:54:47Z rouault $
3 : *
4 : * Project: OpenGIS Simple Features Reference Implementation
5 : * Purpose: Private definitions for OGR/PostgreSQL dump driver.
6 : * Author: Even Rouault, <even dot rouault at mines dash paris dot org>
7 : *
8 : ******************************************************************************
9 : * Copyright (c) 2010, Even Rouault
10 : *
11 : * Permission is hereby granted, free of charge, to any person obtaining a
12 : * copy of this software and associated documentation files (the "Software"),
13 : * to deal in the Software without restriction, including without limitation
14 : * the rights to use, copy, modify, merge, publish, distribute, sublicense,
15 : * and/or sell copies of the Software, and to permit persons to whom the
16 : * Software is furnished to do so, subject to the following conditions:
17 : *
18 : * The above copyright notice and this permission notice shall be included
19 : * in all copies or substantial portions of the Software.
20 : *
21 : * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
22 : * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
23 : * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
24 : * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
25 : * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
26 : * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
27 : * DEALINGS IN THE SOFTWARE.
28 : ****************************************************************************/
29 :
30 : #ifndef _OGR_PGDUMP_H_INCLUDED
31 : #define _OGR_PGDUMP_H_INCLUDED
32 :
33 : #include "ogrsf_frmts.h"
34 : #include "cpl_string.h"
35 :
36 : CPLString OGRPGDumpEscapeColumnName(const char* pszColumnName);
37 : CPLString OGRPGDumpEscapeString( const char* pszStrValue, int nMaxLength,
38 : const char* pszFieldName);
39 :
40 : /************************************************************************/
41 : /* OGRPGDumpLayer */
42 : /************************************************************************/
43 :
44 :
45 : class OGRPGDumpDataSource;
46 :
47 : class OGRPGDumpLayer : public OGRLayer
48 : {
49 : char *pszSqlTableName;
50 : char *pszGeomColumn;
51 : char *pszFIDColumn;
52 : int nCoordDimension;
53 : int nSRSId;
54 : OGRFeatureDefn *poFeatureDefn;
55 : OGRPGDumpDataSource *poDS;
56 : int nFeatures;
57 : int bLaunderColumnNames;
58 : int bPreservePrecision;
59 : int bUseCopy;
60 : int bWriteAsHex;
61 : int bCopyActive;
62 : int bCreateTable;
63 :
64 : void AppendFieldValue(CPLString& osCommand,
65 : OGRFeature* poFeature, int i);
66 : char* GByteArrayToBYTEA( const GByte* pabyData, int nLen);
67 : char* GeometryToHex( OGRGeometry * poGeometry, int nSRSId );
68 :
69 : OGRErr StartCopy();
70 : CPLString BuildCopyFields();
71 :
72 : public:
73 : OGRPGDumpLayer(OGRPGDumpDataSource* poDS,
74 : const char* pszSchemaName,
75 : const char* pszLayerName,
76 : const char* pszGeomColumn,
77 : const char *pszFIDColumn,
78 : int nCoordDimension,
79 : int nSRSId,
80 : int bWriteAsHexIn,
81 : int bCreateTable);
82 : virtual ~OGRPGDumpLayer();
83 :
84 3 : virtual OGRFeatureDefn *GetLayerDefn() {return poFeatureDefn;}
85 :
86 0 : virtual void ResetReading() { }
87 : virtual int TestCapability( const char * );
88 :
89 : virtual OGRErr CreateFeature( OGRFeature *poFeature );
90 : virtual OGRErr CreateFeatureViaInsert( OGRFeature *poFeature );
91 : virtual OGRErr CreateFeatureViaCopy( OGRFeature *poFeature );
92 :
93 : virtual OGRErr CreateField( OGRFieldDefn *poField,
94 : int bApproxOK = TRUE );
95 :
96 : virtual OGRFeature *GetNextFeature();
97 :
98 : // follow methods are not base class overrides
99 3 : void SetLaunderFlag( int bFlag )
100 3 : { bLaunderColumnNames = bFlag; }
101 3 : void SetPrecisionFlag( int bFlag )
102 3 : { bPreservePrecision = bFlag; }
103 :
104 : OGRErr EndCopy();
105 : };
106 :
107 : /************************************************************************/
108 : /* OGRPGDumpDataSource */
109 : /************************************************************************/
110 : class OGRPGDumpDataSource : public OGRDataSource
111 : {
112 : int nLayers;
113 : OGRPGDumpLayer** papoLayers;
114 : char* pszName;
115 : int bTriedOpen;
116 : VSILFILE* fp;
117 : int bInTransaction;
118 : OGRPGDumpLayer* poLayerInCopyMode;
119 : const char* pszEOL;
120 :
121 : public:
122 : OGRPGDumpDataSource(const char* pszName,
123 : char** papszOptions);
124 : ~OGRPGDumpDataSource();
125 :
126 : char *LaunderName( const char *pszSrcName );
127 : void Log(const char* pszStr, int bAddSemiColumn = TRUE);
128 :
129 3 : virtual const char *GetName() { return pszName; }
130 0 : virtual int GetLayerCount() { return nLayers; }
131 : virtual OGRLayer *GetLayer( int );
132 :
133 : virtual OGRLayer *CreateLayer( const char *,
134 : OGRSpatialReference * = NULL,
135 : OGRwkbGeometryType = wkbUnknown,
136 : char ** = NULL );
137 :
138 : virtual int TestCapability( const char * );
139 :
140 : void StartTransaction();
141 : void Commit();
142 :
143 : void StartCopy( OGRPGDumpLayer *poPGLayer );
144 : OGRErr EndCopy( );
145 : };
146 :
147 : /************************************************************************/
148 : /* OGRPGDriver */
149 : /************************************************************************/
150 :
151 : class OGRPGDumpDriver : public OGRSFDriver
152 178 : {
153 : public:
154 : ~OGRPGDumpDriver();
155 :
156 : virtual const char *GetName();
157 : virtual OGRDataSource *Open( const char *, int );
158 :
159 : virtual OGRDataSource *CreateDataSource( const char *pszName,
160 : char ** = NULL );
161 :
162 : virtual int TestCapability( const char * );
163 : };
164 :
165 : #endif /* ndef _OGR_PGDUMP_H_INCLUDED */
166 :
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