1 : /******************************************************************************
2 : * $Id: ogrcsvdriver.cpp 10645 2007-01-18 02:22:39Z warmerdam $
3 : *
4 : * Project: CSV Translator
5 : * Purpose: Implements OGRCSVDriver.
6 : * Author: Frank Warmerdam, warmerdam@pobox.com
7 : *
8 : ******************************************************************************
9 : * Copyright (c) 2004, Frank Warmerdam <warmerdam@pobox.com>
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 : #include "ogr_csv.h"
31 : #include "cpl_conv.h"
32 :
33 : CPL_CVSID("$Id: ogrcsvdriver.cpp 10645 2007-01-18 02:22:39Z warmerdam $");
34 :
35 : /************************************************************************/
36 : /* ~OGRCSVDriver() */
37 : /************************************************************************/
38 :
39 96 : OGRCSVDriver::~OGRCSVDriver()
40 :
41 : {
42 96 : }
43 :
44 : /************************************************************************/
45 : /* GetName() */
46 : /************************************************************************/
47 :
48 1946 : const char *OGRCSVDriver::GetName()
49 :
50 : {
51 1946 : return "CSV";
52 : }
53 :
54 : /************************************************************************/
55 : /* Open() */
56 : /************************************************************************/
57 :
58 163 : OGRDataSource *OGRCSVDriver::Open( const char * pszFilename, int bUpdate )
59 :
60 : {
61 163 : OGRCSVDataSource *poDS = new OGRCSVDataSource();
62 :
63 163 : if( !poDS->Open( pszFilename, bUpdate, FALSE ) )
64 : {
65 137 : delete poDS;
66 137 : poDS = NULL;
67 : }
68 :
69 163 : return poDS;
70 : }
71 :
72 : /************************************************************************/
73 : /* CreateDataSource() */
74 : /************************************************************************/
75 :
76 1 : OGRDataSource *OGRCSVDriver::CreateDataSource( const char * pszName,
77 : char ** /* papszOptions */ )
78 :
79 : {
80 : /* -------------------------------------------------------------------- */
81 : /* First, ensure there isn't any such file yet. */
82 : /* -------------------------------------------------------------------- */
83 : VSIStatBuf sStatBuf;
84 :
85 1 : if( VSIStat( pszName, &sStatBuf ) == 0 )
86 : {
87 : CPLError( CE_Failure, CPLE_AppDefined,
88 : "It seems a file system object called '%s' already exists.",
89 0 : pszName );
90 :
91 0 : return NULL;
92 : }
93 :
94 : /* -------------------------------------------------------------------- */
95 : /* Create a directory. */
96 : /* -------------------------------------------------------------------- */
97 1 : if( VSIMkdir( pszName, 0755 ) != 0 )
98 : {
99 : CPLError( CE_Failure, CPLE_AppDefined,
100 : "Failed to create directory %s:\n%s",
101 0 : pszName, VSIStrerror( errno ) );
102 0 : return NULL;
103 : }
104 :
105 : /* -------------------------------------------------------------------- */
106 : /* Force it to open as a datasource. */
107 : /* -------------------------------------------------------------------- */
108 1 : OGRCSVDataSource *poDS = new OGRCSVDataSource();
109 :
110 1 : if( !poDS->Open( pszName, TRUE, TRUE ) )
111 : {
112 0 : delete poDS;
113 0 : return NULL;
114 : }
115 :
116 1 : return poDS;
117 : }
118 :
119 : /************************************************************************/
120 : /* TestCapability() */
121 : /************************************************************************/
122 :
123 2 : int OGRCSVDriver::TestCapability( const char * pszCap )
124 :
125 : {
126 2 : if( EQUAL(pszCap,ODrCCreateDataSource) )
127 1 : return TRUE;
128 1 : else if( EQUAL(pszCap,ODrCDeleteDataSource) )
129 1 : return TRUE;
130 : else
131 0 : return FALSE;
132 : }
133 :
134 : /************************************************************************/
135 : /* DeleteDataSource() */
136 : /************************************************************************/
137 :
138 3 : OGRErr OGRCSVDriver::DeleteDataSource( const char *pszFilename )
139 :
140 : {
141 3 : if( CPLUnlinkTree( pszFilename ) == 0 )
142 1 : return OGRERR_NONE;
143 : else
144 2 : return OGRERR_FAILURE;
145 : }
146 :
147 : /************************************************************************/
148 : /* RegisterOGRCSV() */
149 : /************************************************************************/
150 :
151 64 : void RegisterOGRCSV()
152 :
153 : {
154 64 : OGRSFDriverRegistrar::GetRegistrar()->RegisterDriver( new OGRCSVDriver );
155 64 : }
156 :
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