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