Quoter.h

/* miktex/Core/Quoter.h:                                -*- C++ -*-
 
   Copyright (C) 1996-2021 Christian Schenk
 
   This file is part of the MiKTeX Core Library.
 
   The MiKTeX Core Library 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, or
   (at your option) any later version.
 
   The MiKTeX Core Library 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 the MiKTeX Core Library; if not, write to the Free
   Software Foundation, 59 Temple Place - Suite 330, Boston, MA
   02111-1307, USA. */
 
#pragma once
 
#if !defined(CEFA448433DD489882E2BFB307C48DD9)
#define CEFA448433DD489882E2BFB307C48DD9
 
#include <miktex/Core/config.h>
 
#include <string>
 
#include <miktex/Util/CharBuffer>
#include <miktex/Util/PathName>
#include <miktex/Util/inliners.h>
 
MIKTEX_CORE_BEGIN_NAMESPACE;
 
template<typename CharType> class Quoter :
  public MiKTeX::Util::CharBuffer<CharType>
{
public:
  Quoter() = delete;
 
public:
  Quoter(const Quoter& other) = delete;
 
public:
  Quoter& operator=(const Quoter& other) = delete;
 
public:
  Quoter(Quoter&& other) = delete;
 
public:
  Quoter& operator= (Quoter&& other) = delete;
 
public:
  ~Quoter() = default;
 
public:
  explicit Quoter(const CharType* lpsz)
  {
    Quote(lpsz);
  }
 
public:
  explicit Quoter(const std::basic_string<CharType>& s)
  {
    Quote(s.c_str());
  }
 
public:
  explicit Quoter(const MiKTeX::Util::PathName& path)
  {
    Quote(path.GetData());
  }
 
private:
  void Quote(const CharType* lpsz)
  {
    bool needQuotes = (*lpsz == 0 || MiKTeX::Util::StrChr(lpsz, 0x20/*' '*/) != nullptr);
    if (needQuotes)
    {
      MiKTeX::Util::CharBuffer<CharType>::Append(0x22/*'"'*/);
    }
    MiKTeX::Util::CharBuffer<CharType>::Append(lpsz);
    if (needQuotes)
    {
      MiKTeX::Util::CharBuffer<CharType>::Append(0x22/*'"'*/);
    }
  }
};
 
MIKTEX_CORE_END_NAMESPACE;
 
#endif