utils_string_inl.h

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/****************************************************************************
 *   This file is part of the aGrUM/pyAgrum library.                        *
 *                                                                          *
 *   Copyright (c) 2005-2026 by                                             *
 *       - Pierre-Henri WUILLEMIN(_at_LIP6)                                 *
 *       - Christophe GONZALES(_at_AMU)                                     *
 *                                                                          *
 *   The aGrUM/pyAgrum library is free software; you can redistribute it    *
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 *    - the MIT license (MIT),                                              *
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 *   SPDX-FileCopyrightText: Copyright 2005-2026                            *
 *       - Pierre-Henri WUILLEMIN(_at_LIP6)                                 *
 *       - Christophe GONZALES(_at_AMU)                                     *
 *   SPDX-License-Identifier: LGPL-3.0-or-later OR MIT                      *
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 *   Contact  : info_at_agrum_dot_org                                       *
 *   homepage : http://agrum.gitlab.io                                      *
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#pragma once
 

 
#include <algorithm>
#include <ranges>
 
// to ease IDE parser
#include <agrum/base/core/utils_string.h>
 
namespace gum {
  INLINE
 
  std::string toLower(std::string_view str) {
    std::string result{str};
    std::ranges::transform(result, result.begin(), [](unsigned char c) { return std::tolower(c); });
    return result;
  }
 
  INLINE
  bool contains(std::string_view s, std::string_view needle) {
    return s.find(needle) != std::string_view::npos;
  }
 
  INLINE
  void ltrim(std::string& s) {
    s.erase(s.begin(),
            std::ranges::find_if_not(s, [](unsigned char ch) { return std::isspace(ch); }));
  }
 
  INLINE
  void rtrim(std::string& s) {
    auto it = std::ranges::find_if_not(s | std::views::reverse,
                                       [](unsigned char ch) { return std::isspace(ch); });
    s.erase(it.base(), s.end());
  }
 
  INLINE
  void trim(std::string& s) {
    ltrim(s);
    rtrim(s);
  }
 
  INLINE
  std::string remove_newline(std::string_view s) {
    std::string res{s};
    std::erase(res, '\n');
    std::erase(res, '\r');
    return res;
  }
 
  INLINE
  bool isInteger(std::string_view val) { return isIntegerWithResult(val, nullptr); }
 
  INLINE
  bool isNumerical(std::string_view val) { return isNumericalWithResult(val, nullptr); }
 
  INLINE
  std::string trim_copy(std::string_view s) {
    std::string res{s};
    trim(res);
    return res;
  }
 
} /* namespace gum */