From ffa8801644a7d53cc1c785e3450f794c07a14eb0 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?J=C3=B6rg=20Frings-F=C3=BCrst?= Date: Sun, 2 Feb 2020 17:13:01 +0100 Subject: New upstream version 1.0.29 --- backend/genesys/serialize.h | 150 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 150 insertions(+) create mode 100644 backend/genesys/serialize.h (limited to 'backend/genesys/serialize.h') diff --git a/backend/genesys/serialize.h b/backend/genesys/serialize.h new file mode 100644 index 0000000..ed40a4e --- /dev/null +++ b/backend/genesys/serialize.h @@ -0,0 +1,150 @@ +/* sane - Scanner Access Now Easy. + + Copyright (C) 2019 Povilas Kanapickas + + This file is part of the SANE package. + + 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., 59 Temple Place - Suite 330, Boston, + MA 02111-1307, USA. + + As a special exception, the authors of SANE give permission for + additional uses of the libraries contained in this release of SANE. + + The exception is that, if you link a SANE library with other files + to produce an executable, this does not by itself cause the + resulting executable to be covered by the GNU General Public + License. Your use of that executable is in no way restricted on + account of linking the SANE library code into it. + + This exception does not, however, invalidate any other reasons why + the executable file might be covered by the GNU General Public + License. + + If you submit changes to SANE to the maintainers to be included in + a subsequent release, you agree by submitting the changes that + those changes may be distributed with this exception intact. + + If you write modifications of your own for SANE, it is your choice + whether to permit this exception to apply to your modifications. + If you do not wish that, delete this exception notice. +*/ + +#ifndef BACKEND_GENESYS_SERIALIZE_H +#define BACKEND_GENESYS_SERIALIZE_H + +#include "error.h" +#include +#include +#include +#include +#include + +namespace genesys { + +// it would be best to use something like boost.serialization + +inline void serialize_newline(std::ostream& str) { str << '\n'; } +inline void serialize_newline(std::istream& str) { (void) str; } + +inline void serialize(std::ostream& str, bool x) { str << static_cast(x) << " "; } +inline void serialize(std::istream& str, bool& x) { unsigned v; str >> v; x = v; } +inline void serialize(std::ostream& str, char x) { str << static_cast(x) << " "; } +inline void serialize(std::istream& str, char& x) { int v; str >> v; x = v; } +inline void serialize(std::ostream& str, unsigned char x) { str << static_cast(x) << " "; } +inline void serialize(std::istream& str, unsigned char& x) { unsigned v; str >> v; x = v; } +inline void serialize(std::ostream& str, signed char x) { str << static_cast(x) << " "; } +inline void serialize(std::istream& str, signed char& x) { int v; str >> v; x = v; } +inline void serialize(std::ostream& str, short x) { str << x << " "; } +inline void serialize(std::istream& str, short& x) { str >> x; } +inline void serialize(std::ostream& str, unsigned short x) { str << x << " "; } +inline void serialize(std::istream& str, unsigned short& x) { str >> x; } +inline void serialize(std::ostream& str, int x) { str << x << " "; } +inline void serialize(std::istream& str, int& x) { str >> x; } +inline void serialize(std::ostream& str, unsigned int x) { str << x << " "; } +inline void serialize(std::istream& str, unsigned int& x) { str >> x; } +inline void serialize(std::ostream& str, long x) { str << x << " "; } +inline void serialize(std::istream& str, long& x) { str >> x; } +inline void serialize(std::ostream& str, unsigned long x) { str << x << " "; } +inline void serialize(std::istream& str, unsigned long& x) { str >> x; } +inline void serialize(std::ostream& str, long long x) { str << x << " "; } +inline void serialize(std::istream& str, long long& x) { str >> x; } +inline void serialize(std::ostream& str, unsigned long long x) { str << x << " "; } +inline void serialize(std::istream& str, unsigned long long& x) { str >> x; } +inline void serialize(std::ostream& str, float x) { str << x << " "; } +inline void serialize(std::istream& str, float& x) { str >> x; } +inline void serialize(std::ostream& str, double x) { str << x << " "; } +inline void serialize(std::istream& str, double& x) { str >> x; } +inline void serialize(std::ostream& str, const std::string& x) { str << x << " "; } +inline void serialize(std::istream& str, std::string& x) { str >> x; } + +template +void serialize(std::ostream& str, std::vector& x) +{ + serialize(str, x.size()); + serialize_newline(str); + + for (auto& item : x) { + serialize(str, item); + serialize_newline(str); + } +} + +template +void serialize(std::istream& str, std::vector& x, + size_t max_size = std::numeric_limits::max()) +{ + size_t new_size; + serialize(str, new_size); + + if (new_size > max_size) { + throw SaneException("Too large std::vector to deserialize"); + } + x.reserve(new_size); + for (size_t i = 0; i < new_size; ++i) { + T item; + serialize(str, item); + x.push_back(item); + } +} + +template +void serialize(std::ostream& str, std::array& x) +{ + serialize(str, x.size()); + serialize_newline(str); + + for (auto& item : x) { + serialize(str, item); + serialize_newline(str); + } +} + +template +void serialize(std::istream& str, std::array& x) +{ + size_t new_size; + serialize(str, new_size); + + if (new_size > Size) { + throw SaneException("Incorrect std::array size to deserialize"); + } + for (auto& item : x) { + serialize(str, item); + } +} + +} // namespace genesys + +#endif -- cgit v1.2.3