diff options
Diffstat (limited to 'vendor/github.com/rivo/uniseg/width.go')
| -rw-r--r-- | vendor/github.com/rivo/uniseg/width.go | 61 |
1 files changed, 0 insertions, 61 deletions
diff --git a/vendor/github.com/rivo/uniseg/width.go b/vendor/github.com/rivo/uniseg/width.go deleted file mode 100644 index 975a9f134..000000000 --- a/vendor/github.com/rivo/uniseg/width.go +++ /dev/null @@ -1,61 +0,0 @@ -package uniseg - -// EastAsianAmbiguousWidth specifies the monospace width for East Asian -// characters classified as Ambiguous. The default is 1 but some rare fonts -// render them with a width of 2. -var EastAsianAmbiguousWidth = 1 - -// runeWidth returns the monospace width for the given rune. The provided -// grapheme property is a value mapped by the [graphemeCodePoints] table. -// -// Every rune has a width of 1, except for runes with the following properties -// (evaluated in this order): -// -// - Control, CR, LF, Extend, ZWJ: Width of 0 -// - \u2e3a, TWO-EM DASH: Width of 3 -// - \u2e3b, THREE-EM DASH: Width of 4 -// - East-Asian width Fullwidth and Wide: Width of 2 (Ambiguous and Neutral -// have a width of 1) -// - Regional Indicator: Width of 2 -// - Extended Pictographic: Width of 2, unless Emoji Presentation is "No". -func runeWidth(r rune, graphemeProperty int) int { - switch graphemeProperty { - case prControl, prCR, prLF, prExtend, prZWJ: - return 0 - case prRegionalIndicator: - return 2 - case prExtendedPictographic: - if property(emojiPresentation, r) == prEmojiPresentation { - return 2 - } - return 1 - } - - switch r { - case 0x2e3a: - return 3 - case 0x2e3b: - return 4 - } - - switch propertyEastAsianWidth(r) { - case prW, prF: - return 2 - case prA: - return EastAsianAmbiguousWidth - } - - return 1 -} - -// StringWidth returns the monospace width for the given string, that is, the -// number of same-size cells to be occupied by the string. -func StringWidth(s string) (width int) { - state := -1 - for len(s) > 0 { - var w int - _, s, w, state = FirstGraphemeClusterInString(s, state) - width += w - } - return -} |
