mirror of
https://github.com/rizonesoft/Notepad3.git
synced 2026-06-20 21:13:25 +08:00
60 lines
1.9 KiB
C++
60 lines
1.9 KiB
C++
|
|
/** Several code conversions facets.
|
|
|
|
E.g. this is how to convert UCS-2 to UTF-8
|
|
|
|
@code
|
|
wifstream ifs("input", ios_base::binary);
|
|
wofstream ofs("output", ios_base::binary);
|
|
|
|
ifs.rdbuf()->pubimbue(locale(locale(), new ucs2_conversion()));
|
|
ofs.rbbuf()->pubimbue(locale(locale(), new utf8_conversion()));
|
|
ofs << ifs.rdbuf();
|
|
@endcode
|
|
|
|
@author Vladimir Prus <ghost@cs.msu.su>
|
|
|
|
@file
|
|
*/
|
|
|
|
#pragma once
|
|
#include <locale>
|
|
#pragma warning(push)
|
|
#pragma warning(disable : 4511)
|
|
#pragma warning(disable : 4512)
|
|
|
|
/** Conversion facet that allows to use Unicode files in UCS-2 encoding */
|
|
class Ucs2Conversion
|
|
: public std::codecvt<wchar_t, char, std::mbstate_t>
|
|
{
|
|
protected:
|
|
result do_in(std::mbstate_t& state,
|
|
const char* from, const char* fromEnd, const char*& fromNext,
|
|
wchar_t* to, wchar_t* toLimit, wchar_t*& toNext) const override;
|
|
|
|
result do_out(std::mbstate_t& state,
|
|
const wchar_t* from, const wchar_t* fromEnd, const wchar_t*& fromNext,
|
|
char* to, char* toLimit, char*& toNext) const override;
|
|
|
|
bool do_always_noconv() const throw() override { return false; }
|
|
int do_encoding() const throw() override { return 2; }
|
|
};
|
|
|
|
/** Conversion facet that allows to read Unicode files in UTF-8 encoding */
|
|
class UTF8Conversion
|
|
: public std::codecvt<wchar_t, char, std::mbstate_t>
|
|
{
|
|
protected:
|
|
result do_in(std::mbstate_t& state,
|
|
const char* from, const char* fromEnd, const char*& fromNext,
|
|
wchar_t* to, wchar_t* toLimit, wchar_t*& toNext) const override;
|
|
|
|
result do_out(std::mbstate_t& state,
|
|
const wchar_t* from, const wchar_t* fromEnd, const wchar_t*& fromNext,
|
|
char* to, char* toLimit, char*& toNext) const override;
|
|
|
|
bool do_always_noconv() const throw() override { return false; }
|
|
int do_encoding() const throw() override { return 2; }
|
|
};
|
|
#pragma warning(pop)
|