120ca87015
git-svn-id: https://free-cad.svn.sourceforge.net/svnroot/free-cad/trunk@5000 e8eeb9e2-ec13-0410-a4a9-efa5cf37419d
114 lines
4.2 KiB
C++
114 lines
4.2 KiB
C++
/***************************************************************************
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* Copyright (c) Juergen Riegel <juergen.riegel@web.de> *
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* *
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* This file is part of the FreeCAD CAx development system. *
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* *
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* This library is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU Library General Public *
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* License as published by the Free Software Foundation; either *
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* version 2 of the License, or (at your option) any later version. *
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* *
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* This library is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU Library General Public License for more details. *
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* *
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* You should have received a copy of the GNU Library General Public *
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* License along with this library; see the file COPYING.LIB. If not, *
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* write to the Free Software Foundation, Inc., 59 Temple Place, *
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* Suite 330, Boston, MA 02111-1307, USA *
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* *
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***************************************************************************/
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#include "PreCompiled.h"
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#ifndef _PreComp_
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#ifdef FC_OS_LINUX
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# include <unistd.h>
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#endif
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# include <sstream>
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#endif
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#include "PointsAlgos.h"
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#include "Points.h"
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#include <Base/Exception.h>
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#include <Base/FileInfo.h>
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#include <Base/Console.h>
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#include <Base/Sequencer.h>
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#include <Base/Stream.h>
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#include <boost/regex.hpp>
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using namespace Points;
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void PointsAlgos::Load(PointKernel &points, const char *FileName)
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{
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Base::FileInfo File(FileName);
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// checking on the file
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if (!File.isReadable())
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throw Base::FileException("File to load not existing or not readable", FileName);
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if (File.extension() == "asc" ||File.extension() == "ASC")
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LoadAscii(points,FileName);
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else
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throw Base::Exception("Unknown ending");
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}
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void PointsAlgos::LoadAscii(PointKernel &points, const char *FileName)
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{
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boost::regex rx("^\\s*([-+]?[0-9]*)\\.?([0-9]+([eE][-+]?[0-9]+)?)"
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"\\s+([-+]?[0-9]*)\\.?([0-9]+([eE][-+]?[0-9]+)?)"
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"\\s+([-+]?[0-9]*)\\.?([0-9]+([eE][-+]?[0-9]+)?)\\s*$");
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//boost::regex rx("(\\b[0-9]+\\.([0-9]+\\b)?|\\.[0-9]+\\b)");
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//boost::regex rx("^\\s*(-?[0-9]*)\\.([0-9]+)\\s+(-?[0-9]*)\\.([0-9]+)\\s+(-?[0-9]*)\\.([0-9]+)\\s*$");
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boost::cmatch what;
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Base::Vector3d pt;
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int LineCnt=0;
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std::string line;
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Base::FileInfo fi(FileName);
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Base::ifstream tmp_str(fi, std::ios::in);
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// estimating size
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while (std::getline(tmp_str,line))
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LineCnt++;
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// resize the PointKernel
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points.resize(LineCnt);
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Base::SequencerLauncher seq( "Loading points...", LineCnt );
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// again to the beginning
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Base::ifstream file(fi, std::ios::in);
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LineCnt = 0;
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try {
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// read file
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while (std::getline(file, line)) {
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if (boost::regex_match(line.c_str(), what, rx)) {
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pt.x = std::atof(what[1].first);
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pt.y = std::atof(what[4].first);
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pt.z = std::atof(what[7].first);
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points.setPoint(LineCnt,pt);
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seq.next();
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LineCnt++;
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}
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}
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}
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catch (...) {
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points.clear();
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throw Base::Exception("Reading in points failed.");
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}
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// now remove the last points from the kernel
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// Note: first we allocate memory corresponding to the number of lines (points and comments)
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// and read in the file twice. But then the size of the kernel is too high
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if (LineCnt < (int)points.size())
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points.erase(LineCnt, points.size());
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}
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