diff options
| author | George Hazan <george.hazan@gmail.com> | 2012-06-05 19:31:43 +0000 |
|---|---|---|
| committer | George Hazan <george.hazan@gmail.com> | 2012-06-05 19:31:43 +0000 |
| commit | 528949c71a12f54dc7b71133a32d9ee91cb53298 (patch) | |
| tree | a2b57251631adf14f00a4d775b6894da06f670fc /plugins/BasicHistory/codecvt_CodePage.h | |
| parent | a6fb825ecbf5313b010fd8cf37754f494cabddc5 (diff) | |
BasicHistory - the alternative for history++
git-svn-id: http://svn.miranda-ng.org/main/trunk@317 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c
Diffstat (limited to 'plugins/BasicHistory/codecvt_CodePage.h')
| -rw-r--r-- | plugins/BasicHistory/codecvt_CodePage.h | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/plugins/BasicHistory/codecvt_CodePage.h b/plugins/BasicHistory/codecvt_CodePage.h new file mode 100644 index 0000000000..37b6b7d26f --- /dev/null +++ b/plugins/BasicHistory/codecvt_CodePage.h @@ -0,0 +1,98 @@ +/*
+Basic History plugin
+Copyright (C) 2011-2012 Krzysztof Kral
+
+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 version 2
+of the License.
+
+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, see <http://www.gnu.org/licenses/>.
+*/
+
+#pragma once
+
+template<class _Elem>
+class codecvt_CodePage : public std::codecvt<_Elem, char, mbstate_t>
+{
+private:
+ UINT codePage;
+public:
+ typedef std::codecvt<_Elem, char, mbstate_t> _Mybase;
+ typedef typename _Mybase::result result;
+ typedef char _Byte;
+ typedef _Elem intern_type;
+ typedef _Byte extern_type;
+ typedef mbstate_t state_type;
+
+ explicit codecvt_CodePage(UINT _codePage)
+ : _Mybase(0),
+ codePage(_codePage)
+ { // construct with ref count
+ }
+
+ virtual ~codecvt_CodePage()
+ { // destroy the object
+ }
+
+protected:
+ virtual result do_in(mbstate_t& _State, const _Byte *_First1, const _Byte *_Last1, const _Byte *& _Mid1, _Elem *_First2, _Elem *_Last2, _Elem *& _Mid2) const
+ { // convert bytes [_First1, _Last1) to [_First2, _Last)
+ return (_Mybase::error); // not implemented
+ }
+
+ virtual result do_out(mbstate_t& _State, const _Elem *_First1, const _Elem *_Last1, const _Elem *& _Mid1, _Byte *_First2, _Byte *_Last2, _Byte *& _Mid2) const
+ { // convert [_First1, _Last1) to bytes [_First2, _Last)
+ _Mid1 = _First1;
+ _Mid2 = _First2;
+
+ int conv = WideCharToMultiByte(codePage, 0, _First1, _Last1 - _First1, _First2, _Last2 - _First2, NULL, NULL);
+ if(conv == 0)
+ {
+ if(GetLastError() == ERROR_INSUFFICIENT_BUFFER)
+ return (_Mybase::partial);
+ else
+ return (_Mybase::error);
+ }
+ else
+ {
+ _Mid1 = _Last1;
+ _Mid2 = _First2 + conv;
+ }
+
+ return (_Mybase::ok);
+ }
+
+ virtual result do_unshift(mbstate_t&,
+ _Byte *_First2, _Byte *, _Byte *& _Mid2) const
+ { // generate bytes to return to default shift state
+ _Mid2 = _First2;
+ return (_Mybase::ok);
+ }
+
+ virtual int do_length(const mbstate_t& _State, const _Byte *_First1, const _Byte *_Last1, size_t _Count) const _THROW0()
+ { // return min(_Count, converted length of bytes [_First1, _Last1))
+ return (int)_Count; // not implemented
+ }
+
+ virtual bool do_always_noconv() const _THROW0()
+ { // return true if conversions never change input
+ return (false);
+ }
+
+ virtual int do_max_length() const _THROW0()
+ { // return maximum length required for a conversion
+ return 6;
+ }
+
+ virtual int do_encoding() const _THROW0()
+ { // return length of code sequence (from codecvt)
+ return 0; // -1 => state dependent, 0 => varying length
+ }
+};
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