1 /******************************************************************************
2 *
3 * Project: LV BAG Translator
4 * Purpose: Implements OGRLVBAGDriver.
5 * Author: Laixer B.V., info at laixer dot com
6 *
7 ******************************************************************************
8 * Copyright (c) 2020, Laixer B.V. <info at laixer dot com>
9 *
10 * Permission is hereby granted, free of charge, to any person obtaining a
11 * copy of this software and associated documentation files (the "Software"),
12 * to deal in the Software without restriction, including without limitation
13 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
14 * and/or sell copies of the Software, and to permit persons to whom the
15 * Software is furnished to do so, subject to the following conditions:
16 *
17 * The above copyright notice and this permission notice shall be included
18 * in all copies or substantial portions of the Software.
19 *
20 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
21 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
23 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
24 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
25 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
26 * DEALINGS IN THE SOFTWARE.
27 ****************************************************************************/
28
29 #include "ogr_lvbag.h"
30 #include "ogrsf_frmts.h"
31
32 /************************************************************************/
33 /* Identify() */
34 /************************************************************************/
35
OGRLVBAGDriverIdentify(GDALOpenInfo * poOpenInfo)36 static int OGRLVBAGDriverIdentify( GDALOpenInfo* poOpenInfo )
37 {
38 if( !poOpenInfo->bStatOK )
39 return FALSE;
40 if( poOpenInfo->bIsDirectory )
41 return -1; // Check later
42 if( poOpenInfo->fpL == nullptr )
43 return FALSE;
44
45 auto pszPtr = reinterpret_cast<const char *>(poOpenInfo->pabyHeader);
46 if( poOpenInfo->nHeaderBytes == 0 || pszPtr[0] != '<' )
47 return FALSE;
48
49 // Can't handle mutations just yet
50 if( strstr(pszPtr, "http://www.kadaster.nl/schemas/mutatielevering-generiek/1.0") != nullptr )
51 return FALSE;
52
53 if( strstr(pszPtr, "http://www.kadaster.nl/schemas/standlevering-generiek/1.0") == nullptr )
54 return FALSE;
55
56 // Pin the driver to XSD version 'v20200601'
57 if( strstr(pszPtr, "http://www.kadaster.nl/schemas/lvbag/extract-deelbestand-lvc/v20200601") == nullptr )
58 return FALSE;
59
60 return TRUE;
61 }
62
63 /************************************************************************/
64 /* Open() */
65 /************************************************************************/
66
OGRLVBAGDriverOpen(GDALOpenInfo * poOpenInfo)67 GDALDataset *OGRLVBAGDriverOpen( GDALOpenInfo* poOpenInfo )
68 {
69 if( !OGRLVBAGDriverIdentify(poOpenInfo) ||
70 poOpenInfo->eAccess == GA_Update)
71 return nullptr;
72
73 const char *pszFilename = poOpenInfo->pszFilename;
74 auto poDS = std::unique_ptr<OGRLVBAGDataSource>{
75 new OGRLVBAGDataSource{} };
76 poDS->SetDescription(pszFilename);
77
78 if( !poOpenInfo->bIsDirectory && poOpenInfo->fpL != nullptr )
79 {
80 if( !poDS->Open( pszFilename, poOpenInfo->papszOpenOptions ) )
81 poDS.reset();
82 }
83 else if( poOpenInfo->bIsDirectory && poOpenInfo->fpL == nullptr )
84 {
85 char **papszNames = VSIReadDir(pszFilename);
86 for( int i = 0; papszNames != nullptr && papszNames[i] != nullptr; ++i )
87 {
88 const CPLString oSubFilename =
89 CPLFormFilename(pszFilename, papszNames[i], nullptr);
90
91 if( EQUAL(papszNames[i], ".") || EQUAL(papszNames[i], "..") )
92 continue;
93
94 GDALOpenInfo oOpenInfo{ oSubFilename, GA_ReadOnly };
95 if( OGRLVBAGDriverIdentify(&oOpenInfo) != TRUE )
96 continue;
97
98 if( !poDS->Open( oSubFilename, poOpenInfo->papszOpenOptions ) )
99 continue;
100 }
101
102 CSLDestroy(papszNames);
103 if( !poDS->GetLayerCount() )
104 {
105 poDS.reset();
106 return nullptr;
107 }
108 }
109 else
110 {
111 poDS.reset();
112 return nullptr;
113 }
114
115 return poDS.release();
116 }
117
118 /************************************************************************/
119 /* RegisterOGRLVBAG() */
120 /************************************************************************/
121
RegisterOGRLVBAG()122 void RegisterOGRLVBAG()
123 {
124 if( GDALGetDriverByName( "LVBAG" ) != nullptr )
125 return;
126
127 std::unique_ptr<GDALDriver> poDriver = std::unique_ptr<GDALDriver>{ new GDALDriver };
128
129 poDriver->SetDescription( "LVBAG" );
130 poDriver->SetMetadataItem( GDAL_DCAP_VECTOR, "YES" );
131 poDriver->SetMetadataItem( GDAL_DMD_LONGNAME, "Kadaster LV BAG Extract 2.0" );
132 poDriver->SetMetadataItem( GDAL_DMD_EXTENSION, "xml" );
133 poDriver->SetMetadataItem( GDAL_DMD_HELPTOPIC, "drivers/vector/lvbag.html" );
134 poDriver->SetMetadataItem( GDAL_DCAP_VIRTUALIO, "YES" );
135
136 poDriver->SetMetadataItem( GDAL_DMD_OPENOPTIONLIST,
137 "<OpenOptionList>"
138 " <Option name='AUTOCORRECT_INVALID_DATA' type='boolean' description='whether driver should try to fix invalid data' default='NO'/>"
139 " <Option name='LEGACY_ID' type='boolean' description='whether driver should use the BAG 1.0 identifiers' default='NO'/>"
140 "</OpenOptionList>" );
141
142 poDriver->pfnOpen = OGRLVBAGDriverOpen;
143 poDriver->pfnIdentify = OGRLVBAGDriverIdentify;
144
145 GetGDALDriverManager()->RegisterDriver(poDriver.release());
146 }
147