121 lines
4.1 KiB
C++
121 lines
4.1 KiB
C++
/***********************************************************************
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* fstringstream.h - I/O operations on FString based streams *
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* *
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* This file is part of the FINAL CUT widget toolkit *
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* *
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* Copyright 2020 Markus Gans *
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* *
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* FINAL CUT is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU Lesser General Public License as *
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* published by the Free Software Foundation; either version 3 of *
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* the License, or (at your option) any later version. *
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* *
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* FINAL CUT is distributed in the hope that it will be useful, but *
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* WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU Lesser General Public License for more details. *
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* *
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* You should have received a copy of the GNU Lesser General Public *
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* License along with this program. If not, see *
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* <http://www.gnu.org/licenses/>. *
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***********************************************************************/
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/* Inheritance diagram
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* ═══════════════════
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*
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* ▕▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▏
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* ▕ std::wiostream ▏
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* ▕▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▏
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* ▲
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* │
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* ▕▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▏
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* ▕ FStringStream ▏
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* ▕▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▏
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*/
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#ifndef FSTRINGSTREAM_H
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#define FSTRINGSTREAM_H
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#if !defined (USE_FINAL_H) && !defined (COMPILE_FINAL_CUT)
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#error "Only <final/final.h> can be included directly."
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#endif
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#include <istream>
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#include <iostream>
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#include <sstream>
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namespace finalcut
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{
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// class forward declaration
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class FString;
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//----------------------------------------------------------------------
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// class FStringStream
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//----------------------------------------------------------------------
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class FStringStream : public std::wiostream
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{
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public:
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using std::ios_base::openmode;
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static constexpr openmode in_out = std::ios_base::out
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| std::ios_base::in;
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// Constructors
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explicit FStringStream (openmode = in_out);
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explicit FStringStream (const FString&, openmode = in_out);
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// Disable copy constructor
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FStringStream (const FStringStream&) = delete;
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// Move constructor
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FStringStream (FStringStream&&) noexcept;
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// Destructor
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~FStringStream() noexcept;
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// Disable copy assignment operator (=)
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FStringStream& operator = (const FStringStream&) = delete;
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// Move assignment operator (=)
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FStringStream& operator = (FStringStream&&) noexcept;
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virtual FString getClassName() const;
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void swap (FStringStream&) noexcept;
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void clear();
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std::wstringbuf* rdbuf();
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FString str() const;
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private:
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std::wstringbuf buffer{in_out};
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};
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// FStringStream inline functions
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//----------------------------------------------------------------------
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inline FString FStringStream::getClassName() const
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{ return "FStringStream"; }
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//----------------------------------------------------------------------
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inline void FStringStream::clear()
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{ buffer.str(L""); }
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//----------------------------------------------------------------------
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inline std::wstringbuf* FStringStream::rdbuf()
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{ return &buffer; }
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//----------------------------------------------------------------------
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inline FString FStringStream::str() const
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{ return FString{buffer.str()}; }
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// FStringStream non-member function
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//----------------------------------------------------------------------
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inline void swap (FStringStream& a, FStringStream& b) noexcept
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{ a.swap(b); }
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} // namespace finalcut
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#endif // FSTRINGSTREAM_H
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