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/******************************************************************************
* Copyright (c) 2011, Michael P. Gerlek (mpg@flaxen.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.
****************************************************************************/
#include <pdal/Bounds.hpp>
#include <pdal/Range.hpp>
#include <pdal/Utils.hpp>
#include <iostream>
namespace pdal
{
std::istream& operator>>(std::istream& istr, Bounds<double>& bounds)
{
istr.get();
if (istr.eof())
{
Bounds<double> output;
bounds = output;
return istr;
}
if (!istr.good()) throw pdal_error("stream is unreadable, unable to parse Bounds");
istr.unget();
// A really dirty way to check for an empty bounds object right off
// the bat
const char left_paren = (char)istr.get();
if (!istr.good()) throw pdal_error("stream0 is no good unable to parse Bounds");
const char right_paren = (char)istr.get();
if (left_paren == '(' &&
right_paren == ')')
{
Bounds<double> output;
bounds = output;
return istr;
}
istr.unget();
istr.unget(); // ()
Bounds<double>::RangeVector v;
Utils::eatwhitespace(istr);
if (!Utils::eatcharacter(istr,'('))
throw pdal_error("Bounds parser failed at first parentheses");
bool done = false;
while (!done)
{
Utils::eatwhitespace(istr);
Range<double> r;
istr >> r;
v.push_back(r);
Utils::eatwhitespace(istr);
if (Utils::eatcharacter(istr,','))
{
done = false;
}
else if (Utils::eatcharacter(istr,')'))
{
done = true;
}
else
{
throw pdal_error("Bounds parser failed");
}
}
Bounds<double> xxx(v);
bounds = xxx;
Utils::eatwhitespace(istr);
return istr;
}
} // namespace
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