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/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
file Copyright.txt or https://cmake.org/licensing for details. */
#ifndef cm_codecvt_hxx
#define cm_codecvt_hxx
#include <cmConfigure.h> // IWYU pragma: keep
#include <locale>
#include <vector>
class codecvt : public std::codecvt<char, char, mbstate_t>
{
public:
enum Encoding
{
None,
UTF8,
ANSI
};
#ifdef CMAKE_BUILD_WITH_CMAKE
codecvt(Encoding e);
protected:
~codecvt() CM_OVERRIDE;
bool do_always_noconv() const throw() CM_OVERRIDE;
result do_out(mbstate_t& state, const char* from, const char* from_end,
const char*& from_next, char* to, char* to_end,
char*& to_next) const CM_OVERRIDE;
result do_unshift(mbstate_t& state, char* to, char*,
char*& to_next) const CM_OVERRIDE;
int do_max_length() const throw() CM_OVERRIDE;
int do_encoding() const throw() CM_OVERRIDE;
private:
typedef struct
{
bool used;
unsigned char totalBytes;
unsigned char bytesLeft;
char bytes[4];
} State;
unsigned int findStateId() const;
bool m_noconv;
mutable std::vector<State> m_states;
mutable unsigned int m_lastState;
#if defined(_WIN32)
unsigned int m_codepage;
#endif
#endif
};
#endif
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