FileUtil.cc

Go to the documentation of this file.

// $Header: /cvs/lcd/slic/src/FileUtil.cc,v 1.13 2005/10/19 22:51:15 jeremy Exp $
#include "FileUtil.hh"

// std
#include <iostream>
#include <stdio.h>
#include <fstream>

using std::ifstream;
using std::ios;

namespace slic
{

  int FileUtil::removeFile(const char* filename)
  {
    int ret = remove( filename );
    return ret;
  }

  int FileUtil::removeFile(const std::string& filename)
  {
    return FileUtil::removeFile( filename.c_str() );
  }

  bool FileUtil::fileExists(const char* filename)
  {
    bool exists=true;

    ifstream fin;
    fin.open(filename, ios::in);

    // either doesn't exist or can't read
    if( fin.fail() ) {
      exists=false;
    }
    fin.close();
    return exists;
  }

  bool FileUtil::fileExists(const std::string& filename)
  {
    return FileUtil::fileExists( filename.c_str() );
  }

  std::string FileUtil::basename(std::string fn)
  {
    static std::string delim = "/";

    std::string filename = fn;

    // find Unix/Cygwin delim
    int basename_pos = filename.rfind(delim);

    // may be dealing with a Windows-style path
#if defined(__WIN32__) || defined(__CYGWIN__) || defined(__CYGWIN32__)
    if ( basename_pos == -1 ) {
      basename_pos = filename.rfind("\\");
    }
#endif

    // found a dir delimiter so erase up to it
    if ( basename_pos != -1 ) {
      filename.erase(filename.begin(),
                     filename.begin() + basename_pos + 1);
    }

    return filename;
  }

  std::string FileUtil::extension(std::string fn)
  {
    std::string::size_type idx = fn.find_last_of(".");

    std::string ext;
    if ( idx != std::string::npos ) {
      ext = fn.substr(idx + 1, fn.size() - idx);
    }
    else {
      ext = "";
    }

    return ext;
  }

  std::string FileUtil::removeExtension(std::string fn)
  {
    std::string::size_type idx = fn.find_last_of(".");

    std::string fname;
    if ( idx != std::string::npos ) {
      fname = fn.substr(0, idx);
    }
    else {
      fname = fn;
    }
    return fname;
  }
}

---