/usr/include/pdal/io/PlyReader.hpp is in libpdal-dev 1.6.0-1build2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Copyright (c) 2015, Peter J. Gadomski <pete.gadomski@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.
****************************************************************************/
#pragma once
#include <string>
#include <stack>
#include <pdal/Dimension.hpp>
#include <pdal/Reader.hpp>
#include <pdal/StageFactory.hpp>
#include <pdal/plugin.hpp>
extern "C" int32_t PlyReader_ExitFunc();
extern "C" PF_ExitFunc PlyReader_InitPlugin();
namespace pdal
{
class PDAL_DLL PlyReader : public Reader
{
public:
static void *create();
static int32_t destroy(void *);
std::string getName() const;
typedef std::map<std::string, Dimension::Id> DimensionMap;
PlyReader();
private:
enum class Format
{
Ascii,
BinaryLe,
BinaryBe
};
struct Property
{
Property(const std::string& name) : m_name(name)
{}
std::string m_name;
virtual void setDim(Dimension::Id id)
{}
virtual void read(std::istream *stream, PlyReader::Format format,
PointRef& point) = 0;
};
struct SimpleProperty : public Property
{
SimpleProperty(const std::string& name, Dimension::Type type) :
Property(name), m_type(type), m_dim(Dimension::Id::Unknown)
{}
Dimension::Type m_type;
Dimension::Id m_dim;
virtual void read(std::istream *stream, PlyReader::Format format,
PointRef& point) override;
virtual void setDim(Dimension::Id id) override
{ m_dim = id; }
};
struct ListProperty : public Property
{
ListProperty(const std::string& name, Dimension::Type countType,
Dimension::Type listType) : Property(name), m_countType(countType),
m_listType(listType)
{}
Dimension::Type m_countType;
Dimension::Type m_listType;
virtual void read(std::istream *stream, PlyReader::Format format,
PointRef& point) override;
};
struct Element
{
Element(const std::string name, size_t count) :
m_name(name), m_count(count)
{}
std::string m_name;
size_t m_count;
std::vector<std::unique_ptr<Property>> m_properties;
};
Format m_format;
std::string m_line;
std::string::size_type m_linePos;
std::stack<std::string> m_lines;
std::istream *m_stream;
std::istream::streampos m_dataPos;
std::vector<Element> m_elements;
PointId m_index;
Element *m_vertexElt;
virtual void initialize();
virtual void addDimensions(PointLayoutPtr layout);
virtual void ready(PointTableRef table);
virtual point_count_t read(PointViewPtr view, point_count_t num);
virtual void done(PointTableRef table);
virtual bool processOne(PointRef& point);
std::string readLine();
void pushLine();
std::string nextWord();
void extractMagic();
void extractEnd();
void extractFormat();
Dimension::Type getType(const std::string& name);
void extractProperty(Element& element);
void extractProperties(Element& element);
bool extractElement();
void extractHeader();
void readElement(Element& elt, PointRef& point);
bool readProperty(Property *prop, PointRef& point);
};
} // namespace pdal
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