PUtilities.h

Go to the documentation of this file.

/*
    LoopTK: Protein Loop Kinematic Toolkit
    Copyright (C) 2007 Stanford University

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License along
    with this program; if not, write to the Free Software Foundation, Inc.,
    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/

#ifndef PUTILITIES_H
#define PUTILITIES_H

#include "PLibraries.h"

#define         isNAN(x)                !((x) <= 0 || (x) > 0)
#define         ends_with(str, x)       (string(str).find(string(x)) != string::npos && \
                                         string(str).find(string(x)) == string(str).length() - \
                                         string(x).length())
//@package Utilities
class PUtilities {
  public:

// File/directory manipulation functions -- might not be portable
// to all operating systems (Windows?)

    static void copyFile(const string &newFileName, const string &fileToCopy);

    static void makeDirectory(const string &dirName);

// String manipulation functions

    static void trimSpaces(string &str);

     template <typename T>
     static string toStr(const T &x)
     {
       stringstream ss;
       ss << x;
       return ss.str();
     }

    static string padLeft(const string &s, unsigned int len, char padChar = ' ');

    static string padRight(const string &s, unsigned int len, char padChar = ' ');

    static vector<string> getLinesStarting(const vector<string> &lines,
                                const string &prefix, bool trimPrefix = false,
                                const string &terminationCode = "");

    static vector<string> getTokens(const string &curLine);

// Text I/O functions

    static vector<string> getLinesStarting(const string &fileName,
                                const string &prefix, bool trimPrefix = false,
                                const string &terminationCode = "");

    static vector<string> getLines(const string &fileName);

    static void appendToFile(const string &fileName, const string &line);

// Miscellaneous functions

    static void AbortProgram(const string &message);

    static const void *PointerThatIsNot(const void *p1, const void *p2, const void *have);

    template <typename T>
    static T** New2DArray(unsigned size) {
      T** table = new T*[size];

      for(unsigned i = 0; i < size; i++) {
        table[i] = new T[size];
      }

      return table;
    }

    template <typename T>
    static void Delete2DArray(T **table, unsigned size) {
      for(unsigned i = 0; i < size; i++) {
        delete[] table[i];
      }

      delete[] table;
    }

};

#endif

---