gm_read.cpp

来自「算断裂的」· C++ 代码 · 共 93 行

// ------------------------------------------------------------------
// gm_read.cpp
//
// This file contains the driver function for reading breps or meshes
// in ascii format from a file.
// ------------------------------------------------------------------
// Author: Stephen A. Vavasis
// Copyright (c) 1999 by Cornell University.  All rights reserved.
// 
// See the accompanying file 'Copyright' for authorship information,
// the terms of the license governing this software, and disclaimers
// concerning this software.
// ------------------------------------------------------------------
// This file is part of the QMG software.  
// Version 2.0 of QMG, release date September 3, 1999.
// ------------------------------------------------------------------
#include "qfrontend.h"
#include "qsimpcomp.h"
#include "qbrep_constr.h"
#include <fstream>

#define GM_ROUTINE_NAME gm_read
#define GM_ROUTINE_NAME_Q "gm_read"

namespace QMG {
  extern Object_Type_Code read_header_from_istream(istream& istr, int& line_count);
}


namespace { 

#ifdef _MSC_VER
  
  class Bkpt_obj2 {
  private:
    int j;
  public:
    Bkpt_obj2(int i) : j(i) { }
    ~Bkpt_obj2();
  };

  Bkpt_obj2::~Bkpt_obj2() {
    int k = j + 1;
  }

#endif

  static void worker(const QMG::FrontEnd::ArgValType& argvalhandle,
    QMG::FrontEnd::ReturnValType& returnvalhandle,
    QMG::FrontEnd::Interpreter& interp) {
    
    using namespace QMG;
    using namespace QMG::FrontEnd;
    using std::ifstream;
    
    argvalhandle.verify_nargin(1, 1, GM_ROUTINE_NAME_Q);
    returnvalhandle.verify_nargout(1, 1, GM_ROUTINE_NAME_Q);
    ifstream infile(argvalhandle.get_string(0).c_str());
    if (!infile)
      throw_error("Unable to open input file in gm_read");
    int linecount = 0;
    Object_Type_Code code =
      read_header_from_istream(infile, linecount);
    if (code == UNKNOWN)
      throw_error("Unrecognized header information in file");
#ifdef _MSC_VER
    Bkpt_obj2 a1(1);
#endif
    if (code == BREP) {
#ifdef _MSC_VER
      Bkpt_obj2 a2(2);
#endif
      Brep_Under_Construction b = 
        Brep_Under_Construction::read_from_istream(infile, true, linecount);
      returnvalhandle.put_brep(0,b);
    }
    else {
#ifdef _MSC_VER
      Bkpt_obj2 a3(3);
#endif
      SimpComplex_Under_Construction s = 
        SimpComplex_Under_Construction::read_from_istream(infile, true, linecount);
      returnvalhandle.put_simpcomp(0,s);
    }
    return;
  }
}




#include "gm_entrypoint.cpp"