| 1 | //===-- Definition of a class for mbstate_t and conversion -----*-- C++ -*-===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | |
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| 9 | #ifndef LLVM_LIBC_SRC___SUPPORT_CHARACTER_CONVERTER_H |
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| 10 | #define LLVM_LIBC_SRC___SUPPORT_CHARACTER_CONVERTER_H |
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| 11 | |
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| 12 | #include "hdr/types/char32_t.h" |
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| 13 | #include "hdr/types/char8_t.h" |
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| 14 | #include "hdr/types/size_t.h" |
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| 15 | #include "src/__support/common.h" |
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| 16 | #include "src/__support/error_or.h" |
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| 17 | #include "src/__support/wchar/mbstate.h" |
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| 18 | |
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| 19 | namespace LIBC_NAMESPACE_DECL { |
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| 20 | namespace internal { |
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| 21 | |
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| 22 | class CharacterConverter { |
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| 23 | private: |
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| 24 | mbstate *state; |
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| 25 | |
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| 26 | public: |
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| 27 | CharacterConverter(mbstate *mbstate); |
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| 28 | |
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| 29 | void clear(); |
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| 30 | bool isFull(); |
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| 31 | bool isEmpty(); |
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| 32 | bool isValidState(); |
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| 33 | |
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| 34 | size_t sizeAsUTF32(); |
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| 35 | size_t sizeAsUTF8(); |
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| 36 | |
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| 37 | int push(char8_t utf8_byte); |
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| 38 | int push(char32_t utf32); |
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| 39 | |
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| 40 | ErrorOr<char8_t> pop_utf8(); |
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| 41 | ErrorOr<char32_t> pop_utf32(); |
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| 42 | }; |
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| 43 | |
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| 44 | } // namespace internal |
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| 45 | } // namespace LIBC_NAMESPACE_DECL |
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| 46 | |
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| 47 | #endif // LLVM_LIBC_SRC___SUPPORT_CHARACTER_CONVERTER_H |
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| 48 | |
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