1 : /******************************************************************************
2 : * $Id: ogr_xplane.h $
3 : *
4 : * Project: X-Plane aeronautical data reader
5 : * Purpose: Definition of classes for OGR X-Plane aeronautical data driver.
6 : * Author: Even Rouault, even dot rouault at mines dash paris dot org
7 : *
8 : ******************************************************************************
9 : * Copyright (c) 2008, 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_XPLANE_H_INCLUDED
31 : #define _OGR_XPLANE_H_INCLUDED
32 :
33 : #include "ogrsf_frmts.h"
34 :
35 : class OGRXPlaneReader;
36 : class OGRXPlaneDataSource;
37 :
38 : /************************************************************************/
39 : /* OGRXPlaneLayer */
40 : /************************************************************************/
41 :
42 : class OGRXPlaneLayer : public OGRLayer
43 : {
44 : private:
45 : int nFID;
46 : int nFeatureArraySize;
47 : int nFeatureArrayMaxSize;
48 : int nFeatureArrayIndex;
49 :
50 : OGRFeature** papoFeatures;
51 : OGRSpatialReference *poSRS;
52 :
53 : OGRXPlaneDataSource* poDS;
54 :
55 : protected:
56 : OGRXPlaneReader* poReader;
57 : OGRFeatureDefn* poFeatureDefn;
58 : OGRXPlaneLayer(const char* pszLayerName);
59 :
60 : void RegisterFeature(OGRFeature* poFeature);
61 :
62 : public:
63 : virtual ~OGRXPlaneLayer();
64 :
65 : void SetDataSource(OGRXPlaneDataSource* poDS);
66 :
67 : void SetReader(OGRXPlaneReader* poReader);
68 0 : int IsEmpty() { return nFeatureArraySize == 0; }
69 : void AutoAdjustColumnsWidth();
70 :
71 : virtual void ResetReading();
72 : virtual OGRFeature * GetNextFeature();
73 : virtual OGRFeature * GetFeature( long nFID );
74 : virtual OGRErr SetNextByIndex( long nIndex );
75 : virtual int GetFeatureCount( int bForce = TRUE );
76 0 : virtual OGRSpatialReference * GetSpatialRef() { return poSRS; }
77 :
78 : virtual OGRFeatureDefn * GetLayerDefn();
79 : virtual int TestCapability( const char * pszCap );
80 : };
81 :
82 :
83 : /************************************************************************/
84 : /* OGRXPlaneDataSource */
85 : /************************************************************************/
86 :
87 : class OGRXPlaneDataSource : public OGRDataSource
88 : {
89 : char* pszName;
90 :
91 : OGRXPlaneLayer** papoLayers;
92 : int nLayers;
93 :
94 : OGRXPlaneReader* poReader;
95 : int bReadWholeFile;
96 : int bWholeFiledReadingDone;
97 :
98 : void Reset();
99 :
100 : public:
101 : OGRXPlaneDataSource();
102 : ~OGRXPlaneDataSource();
103 :
104 : int Open( const char * pszFilename, int bReadWholeFile = TRUE );
105 :
106 : void RegisterLayer( OGRXPlaneLayer* poLayer );
107 :
108 374 : virtual int GetLayerCount() { return nLayers; }
109 : virtual OGRLayer* GetLayer( int );
110 5 : virtual const char* GetName() { return pszName; }
111 :
112 : virtual int TestCapability( const char * pszCap );
113 :
114 : void ReadWholeFileIfNecessary();
115 : };
116 :
117 : /************************************************************************/
118 : /* OGRXPlaneDriver */
119 : /************************************************************************/
120 :
121 : class OGRXPlaneDriver : public OGRSFDriver
122 347 : {
123 : public:
124 :
125 : virtual const char* GetName();
126 : OGRDataSource* Open( const char *, int );
127 :
128 : virtual int TestCapability( const char * pszCap );
129 : };
130 :
131 :
132 : #endif /* ndef _OGR_XPLANE_H_INCLUDED */
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