mirror of
https://github.com/wheremyfoodat/Panda3DS.git
synced 2025-04-23 22:05:51 +12:00
84 lines
2.6 KiB
C++
84 lines
2.6 KiB
C++
/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
|
|
// codecvt_null.cpp
|
|
|
|
// Copyright (c) 2004 Robert Ramey, Indiana University (garcia@osl.iu.edu)
|
|
// Andrew Lumsdaine, Indiana University (lums@osl.iu.edu).
|
|
// Use, modification and distribution is subject to the Boost Software
|
|
// License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
|
|
// http://www.boost.org/LICENSE_1_0.txt)
|
|
|
|
#define BOOST_WARCHIVE_SOURCE
|
|
#include <boost/serialization/config.hpp>
|
|
#include <boost/archive/codecvt_null.hpp>
|
|
|
|
// codecvt implementation for passing wchar_t objects to char output
|
|
// without any translation whatever. Used to implement binary output
|
|
// of wchar_t objects.
|
|
|
|
namespace boost {
|
|
namespace archive {
|
|
|
|
std::codecvt_base::result
|
|
codecvt_null<wchar_t>::do_out(
|
|
std::mbstate_t & /*state*/,
|
|
const wchar_t * first1,
|
|
const wchar_t * last1,
|
|
const wchar_t * & next1,
|
|
char * first2,
|
|
char * last2,
|
|
char * & next2
|
|
) const {
|
|
while(first1 != last1){
|
|
// Per std::22.2.1.5.2/2, we can store no more that
|
|
// last2-first2 characters. If we need to more encode
|
|
// next internal char type, return 'partial'.
|
|
if(static_cast<int>(sizeof(wchar_t)) > (last2 - first2)){
|
|
next1 = first1;
|
|
next2 = first2;
|
|
return std::codecvt_base::partial;
|
|
}
|
|
* reinterpret_cast<wchar_t *>(first2) = * first1++;
|
|
first2 += sizeof(wchar_t);
|
|
|
|
}
|
|
next1 = first1;
|
|
next2 = first2;
|
|
return std::codecvt_base::ok;
|
|
}
|
|
|
|
std::codecvt_base::result
|
|
codecvt_null<wchar_t>::do_in(
|
|
std::mbstate_t & /*state*/,
|
|
const char * first1,
|
|
const char * last1,
|
|
const char * & next1,
|
|
wchar_t * first2,
|
|
wchar_t * last2,
|
|
wchar_t * & next2
|
|
) const {
|
|
// Process input characters until we've run of them,
|
|
// or the number of remaining characters is not
|
|
// enough to construct another output character,
|
|
// or we've run out of place for output characters.
|
|
while(first2 != last2){
|
|
// Have we converted all input characters?
|
|
// Return with 'ok', if so.
|
|
if (first1 == last1)
|
|
break;
|
|
// Do we have less input characters than needed
|
|
// for a single output character?
|
|
if(static_cast<int>(sizeof(wchar_t)) > (last1 - first1)){
|
|
next1 = first1;
|
|
next2 = first2;
|
|
return std::codecvt_base::partial;
|
|
}
|
|
*first2++ = * reinterpret_cast<const wchar_t *>(first1);
|
|
first1 += sizeof(wchar_t);
|
|
}
|
|
next1 = first1;
|
|
next2 = first2;
|
|
return std::codecvt_base::ok;
|
|
}
|
|
|
|
} // namespace archive
|
|
} // namespace boost
|