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mtheall
109 lines
2.8 KiB
C
109 lines
2.8 KiB
C
#pragma once
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#include <stdint.h>
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#include <sys/types.h>
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/*! Convert a UTF-8 sequence into a UTF-32 codepoint
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*
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* @param[out] out Output codepoint
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* @param[in] in Input sequence
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*
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* @returns number of input code units consumed
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* @returns -1 for error
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*/
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ssize_t decode_utf8 (uint32_t *out, const uint8_t *in);
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/*! Convert a UTF-16 sequence into a UTF-32 codepoint
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*
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* @param[out] out Output codepoint
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* @param[in] in Input sequence
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*
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* @returns number of input code units consumed
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* @returns -1 for error
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*/
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ssize_t decode_utf16(uint32_t *out, const uint16_t *in);
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/*! Convert a UTF-32 codepoint into a UTF-8 sequence
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*
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* @param[out] out Output sequence
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* @param[in] in Input codepoint
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*
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* @returns number of output code units produced
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* @returns -1 for error
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*
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* @note \a out must be able to store 4 code units
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*/
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ssize_t encode_utf8 (uint8_t *out, uint32_t in);
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/*! Convert a UTF-32 codepoint into a UTF-16 sequence
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*
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* @param[out] out Output sequence
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* @param[in] in Input codepoint
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*
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* @returns number of output code units produced
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* @returns -1 for error
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*
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* @note \a out must be able to store 2 code units
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*/
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ssize_t encode_utf16(uint16_t *out, uint32_t in);
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/*! Convert a UTF-8 sequence into a UTF-16 sequence
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*
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* @param[out] out Output sequence
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* @param[in] in Input sequence
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*
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* @returns number of output code units produced
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* @returns -1 for error
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*/
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size_t utf8_to_utf16(uint16_t *out, const uint8_t *in, size_t len);
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/*! Convert a UTF-8 sequence into a UTF-32 sequence
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*
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* @param[out] out Output sequence
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* @param[in] in Input sequence
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*
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* @returns number of output code units produced
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* @returns -1 for error
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*/
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size_t utf8_to_utf32(uint32_t *out, const uint8_t *in, size_t len);
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/*! Convert a UTF-16 sequence into a UTF-8 sequence
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*
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* @param[out] out Output sequence
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* @param[in] in Input sequence
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*
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* @returns number of output code units produced
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* @returns -1 for error
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*/
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size_t utf16_to_utf8(uint8_t *out, const uint16_t *in, size_t len);
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/*! Convert a UTF-16 sequence into a UTF-32 sequence
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*
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* @param[out] out Output sequence
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* @param[in] in Input sequence
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*
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* @returns number of output code units produced
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* @returns -1 for error
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*/
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size_t utf16_to_utf32(uint32_t *out, const uint16_t *in, size_t len);
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/*! Convert a UTF-32 sequence into a UTF-8 sequence
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*
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* @param[out] out Output sequence
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* @param[in] in Input sequence
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*
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* @returns number of output code units produced
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* @returns -1 for error
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*/
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size_t utf32_to_utf8(uint8_t *out, const uint32_t *in, size_t len);
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/*! Convert a UTF-32 sequence into a UTF-16 sequence
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*
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* @param[out] out Output sequence
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* @param[in] in Input sequence
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*
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* @returns number of output code units produced
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* @returns -1 for error
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*/
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size_t utf32_to_utf16(uint16_t *out, const uint32_t *in, size_t len);
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