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refactor: rename function prefix mb to the more accurate utf_cp (#19590)

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The "cp" stands for codepoint.

Closes https://github.com/neovim/neovim/issues/7401
This commit is contained in:
dundargoc
2022-08-02 11:52:33 +02:00
committed by GitHub
parent 0a049c322f
commit c223875a65
4 changed files with 13 additions and 12 deletions
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17
src/nvim/mbyte.c
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@@ -1837,10 +1837,10 @@ int mb_off_next(const char_u *base, const char_u *p)
return i;
}
/// Return the offset from "p" to the last byte of the character it points
/// into. Can start anywhere in a stream of bytes.
/// Composing characters are not included.
int mb_tail_off(const char *base, const char *p_in)
/// Return the offset from `p_in` to the last byte of the codepoint it points
/// to. Can start anywhere in a stream of bytes.
/// Note: Counts individual codepoints of composed characters separately.
int utf_cp_tail_off(const char *base, const char *p_in)
{
const uint8_t *p = (uint8_t *)p_in;
int i;
@@ -1866,15 +1866,16 @@ int mb_tail_off(const char *base, const char *p_in)
return i;
}
/// Return the offset from "p" to the first byte of the character it points
/// into. Can start anywhere in a stream of bytes.
/// Unlike utf_head_off() this doesn't include composing characters and returns a negative value.
/// Return the offset from "p" to the first byte of the codepoint it points
/// to. Can start anywhere in a stream of bytes.
/// Note: Unlike `utf_head_off`, this counts individual codepoints of composed characters
/// separately and returns a negative offset.
///
/// @param[in] base Pointer to start of string
/// @param[in] p Pointer to byte for which to return the offset to the previous codepoint
//
/// @return 0 if invalid sequence, else offset to previous codepoint
int mb_head_off(const char_u *base, const char_u *p)
int utf_cp_head_off(const char_u *base, const char_u *p)
{
int i;
int j;