string_utilities.h

/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

 Header:       string_utilities.h
 Author:       Jon S. Berndt
 Date started: 06/01/09

 ------------- Copyright (C) 2009  Jon S. Berndt (jon@jsbsim.org) -------------

 This program is free software; you can redistribute it and/or modify it under
 the terms of the GNU Lesser 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 Lesser General Public License for more
 details.

 You should have received a copy of the GNU Lesser General Public License along with
 this program; if not, write to the Free Software Foundation, Inc., 59 Temple
 Place - Suite 330, Boston, MA  02111-1307, USA.

 Further information about the GNU Lesser General Public License can also be found on
 the world wide web at http://www.gnu.org.

HISTORY
--------------------------------------------------------------------------------
06/01/09  JSB  Created

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
SENTRY
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/

#ifndef STRINGUTILS_H
#define STRINGUTILS_H

/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
INCLUDES
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#include <string>
#include <sstream>
#include <iostream>
#include <vector>
#include <stdio.h>


/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
DEFINITIONS
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#define ID_STRINGUTILS "$Id: string_utilities.h,v 1.24 2015/08/16 16:06:28 bcoconni Exp $"

/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
FORWARD DECLARATIONS
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/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
CLASS DOCUMENTATION
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/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
CLASS DECLARATION
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#if !defined(BASE)
  extern std::string& trim_left(std::string& str);
  extern std::string& trim_right(std::string& str);
  extern std::string& trim(std::string& str);
  extern std::string& trim_all_space(std::string& str);
  extern std::string& to_upper(std::string& str);
  extern std::string& to_lower(std::string& str);
  extern bool is_number(const std::string& str);
  std::vector <std::string> split(std::string str, char d);

  // These functions are built-ins for:
  // * C++11
  // * libc++ for all C++ language versions
  // * Visual Studio for versions greater than 2010 (1700 -> MSVC++ 11.0 and VS 2012)
#if !defined(_LIBCPP_VERSION) && _MSC_VER < 1700 && __cplusplus < 201103L
  extern std::string to_string(int);
  extern std::string to_string(double);
  extern std::string to_string(float);
#endif

  extern std::string replace(std::string str, const std::string& old, const std::string& newstr);
#else
  #include <cctype>

  std::string& trim_left(std::string& str)
  {
    while (!str.empty() && isspace((unsigned char)str[0])) {
      str = str.erase(0,1);
    }
    return str;
  }

  std::string& trim_right(std::string& str)
  {
    while (!str.empty() && isspace((unsigned char)str[str.size()-1])) {
      str = str.erase(str.size()-1,1);
    }
    return str;
  }

  std::string& trim(std::string& str)
  {
    if (str.empty()) return str;
    std::string temp_str = trim_right(str);
    return str = trim_left(temp_str);
  }

  std::string& trim_all_space(std::string& str)
  {
    for (size_t i=0; i<str.size(); i++) {
      if (isspace((unsigned char)str[i])) {
        str = str.erase(i,1);
        --i;
      }
    }
    return str;
  }

  std::string& to_upper(std::string& str)
  {
    for (size_t i=0; i<str.size(); i++) str[i] = toupper(str[i]);
    return str;
  }

  std::string& to_lower(std::string& str)
  {
    for (size_t i=0; i<str.size(); i++) str[i] = tolower(str[i]);
    return str;
  }

  bool is_number(const std::string& str)
  {
    if (str.empty())
      return false;
    else
      return (str.find_first_not_of("+-.0123456789Ee") == std::string::npos);
  }

  std::vector <std::string> split(std::string str, char d)
  {
    std::vector <std::string> str_array;
    size_t index=0;
    std::string temp = "";

    trim(str);
    index = str.find(d);
    while (index != std::string::npos) {
      temp = str.substr(0,index);
      trim(temp);
      if (!temp.empty()) str_array.push_back(temp);
      str = str.erase(0,index+1);
      index = str.find(d);
    }
    if (!str.empty()) {
      temp = trim(str);
      if (!temp.empty()) str_array.push_back(temp);
    }

    return str_array;
  }

  // These functions are built-ins for:
  // * C++11
  // * libc++ for all C++ language versions
  // * Visual Studio for versions greater than 2010 (1700 -> MSVC++ 11.0 and VS 2012)
#if !defined(_LIBCPP_VERSION) && _MSC_VER < 1700 && __cplusplus < 201103L
  std::string to_string(int i)
  {
    char buffer[32];
    sprintf(buffer, "%d", i);
    return std::string(buffer);
  }

  std::string to_string(float x)
  {
    std::ostringstream o;
    if (!(o << x)) std::cerr << "Bad float to string conversion" << std::endl;
    return o.str();
  }

  std::string to_string(double x)
  {
    std::ostringstream o;
    if (!(o << x)) std::cerr << "Bad double to string conversion" << std::endl;
    return o.str();
  }
#endif

  std::string replace(std::string str, const std::string& oldstr, const std::string& newstr)
  {
    std::string temp = str;
    size_t old_idx = str.find(oldstr);
    if (old_idx != std::string::npos) {
      temp = str.replace(old_idx, 1, newstr);
    }
    return temp;
  }

#endif

//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

#endif