-
Notifications
You must be signed in to change notification settings - Fork 432
/
Reader.hpp
171 lines (130 loc) · 4.78 KB
/
Reader.hpp
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
/******************************************************************************
* Copyright (c) 2012, Howard Butler, hobu.inc@gmail.com
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following
* conditions are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided
* with the distribution.
* * Neither the name of Hobu, Inc. or Flaxen Geo Consulting nor the
* names of its contributors may be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
****************************************************************************/
#ifndef INCLUDED_PDAL_DRIVER_PGPOINTCLOUD_READER_HPP
#define INCLUDED_PDAL_DRIVER_PGPOINTCLOUD_READER_HPP
#include <pdal/Reader.hpp>
#include <pdal/ReaderIterator.hpp>
#include <pdal/PointBuffer.hpp>
#include <pdal/drivers/pgpointcloud/common.hpp>
#include <boost/scoped_ptr.hpp>
#include <boost/scoped_array.hpp>
#include <vector>
namespace pdal
{
namespace drivers
{
namespace pgpointcloud
{
class PDAL_DLL Reader : public pdal::Reader
{
public:
SET_STAGE_NAME("drivers.pgpointcloud.reader", "PostgreSQL Pointcloud Database Reader")
Reader(const Options&);
~Reader();
virtual void initialize();
static Options getDefaultOptions();
bool supportsIterator(StageIteratorType t) const
{
if (t == StageIterator_Sequential) return true;
return false;
}
virtual boost::uint64_t getNumPoints() const;
boost::uint64_t getMaxPoints() const;
std::string getDataQuery() const;
void getSession() const;
pdal::StageSequentialIterator* createSequentialIterator(PointBuffer& buffer) const;
private:
Reader& operator=(const Reader&); // not implemented
Reader(const Reader&); // not implemented
pdal::SpatialReference fetchSpatialReference() const;
boost::uint32_t fetchPcid() const;
pdal::Schema fetchSchema() const;
PGconn* m_session;
std::string m_connection;
std::string m_table_name;
std::string m_schema_name;
std::string m_column_name;
std::string m_where;
mutable boost::uint32_t m_pcid;
mutable boost::uint64_t m_cached_point_count;
mutable boost::uint64_t m_cached_max_points;
}; // pdal.drivers.pgpointcloud.Reader
namespace iterators
{
namespace sequential
{
typedef boost::shared_ptr<PointBuffer> BufferPtr;
class Iterator : public pdal::StageSequentialIterator
{
public:
Iterator(const pdal::drivers::pgpointcloud::Reader& reader, PointBuffer& buffer);
~Iterator();
protected:
private:
//
// Methods
//
const pdal::drivers::pgpointcloud::Reader& getReader() const;
// Skip count points, return number of points skipped
boost::uint64_t skipImpl(boost::uint64_t count);
// Fill the provided pointbuffer, return the number of points written
boost::uint32_t readBufferImpl(PointBuffer& data);
// True when there are no more points to read
bool atEndImpl() const;
// Internal functions for managing scroll cursor
bool CursorSetup();
bool CursorTeardown();
bool NextBuffer();
//
// Members
//
const pdal::drivers::pgpointcloud::Reader& m_reader;
bool m_at_end;
pdal::PointBuffer* m_buffer;
boost::uint64_t m_buffer_position;
bool m_cursor;
std::string m_patch_hex;
boost::uint32_t m_patch_npoints;
PGconn* m_session;
pdal::DimensionMap* m_dimension_map;
boost::uint32_t m_cur_row;
boost::uint32_t m_cur_nrows;
PGresult* m_cur_result;
}; // pdal.drivers.pgpointcloud.sequential.iterators.Iterator
} // sequential
} // iterators
} // pgpointcloud
} // driver
} // pdal
#endif // INCLUDED_PDAL_DRIVER_PGPOINTCLOUD_READER_HPP