77 lines
2.1 KiB
Go
77 lines
2.1 KiB
Go
package internal
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import (
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"strings"
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"github.com/egoist/mygo/ui"
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"git.zacharyzhang.com/ZacharyZhang-NY/MujicaUI/theme"
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)
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// CodeSpans colors a code line; inBlock carries block comments.
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func CodeSpans(k theme.Tokens, language, line string, inBlock bool) ([]ui.Span, bool) {
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toks, open := Highlight(language, line, inBlock)
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spans := make([]ui.Span, 0, len(toks))
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for _, t := range toks {
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s := ui.Span{Text: t.Text, Color: k.Text}
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switch t.Kind {
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case TokKeyword:
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s.Color, s.Weight = k.AccentText, 600
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case TokString:
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s.Color = k.Success
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case TokNumber:
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s.Color = k.Info
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case TokComment:
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s.Color, s.Italic = k.TextMuted, true
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case TokType:
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s.Color = k.Warning
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case TokPunct:
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s.Color = k.TextMuted
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}
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spans = append(spans, s)
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}
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return spans, open
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}
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// ansiLight and ansiDark are 16 colors readable on Surface.
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var (
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ansiLight = [16]string{"#211C1D", "#A12635", "#326247", "#805714", "#355E80", "#7A3B78", "#2F6B6B", "#6A5B55",
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"#6A5B55", "#B0303F", "#3B7352", "#8E6417", "#3F6E94", "#8A4787", "#367A7A", "#211C1D"}
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ansiDark = [16]string{"#A89A95", "#F0A1AA", "#94C6A4", "#DFC080", "#9DBDDA", "#D9A6D6", "#8FCFCF", "#F2EBDD",
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"#BCAEAA", "#F5B7BE", "#ADD6B9", "#E9CF99", "#B5CDE4", "#E4BDE2", "#A9DCDC", "#FFFFFF"}
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ansiCube = [6]uint8{0, 95, 135, 175, 215, 255}
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)
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// AnsiResolve resolves a color; ok is false for default.
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func AnsiResolve(dark bool, col AnsiColor) (ui.Color, bool) {
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switch col.Kind {
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case AnsiRGB:
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return ui.RGB(col.R, col.G, col.B), true
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case AnsiIndexed:
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i := col.Index
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switch {
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case i < 16 && dark:
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return ui.Hex(ansiDark[i]), true
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case i < 16:
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return ui.Hex(ansiLight[i]), true
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case i < 232:
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i -= 16
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return ui.RGB(ansiCube[i/36], ansiCube[i/6%6], ansiCube[i%6]), true
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default:
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g := 8 + 10*(i-232)
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return ui.RGB(g, g, g), true
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}
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}
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return ui.Color{}, false
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}
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// StripAnsi drops SGR escapes from s, keeping its text.
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func StripAnsi(s string) string {
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spans, _ := ParseAnsi(s, AnsiStyle{})
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var b strings.Builder
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for _, sp := range spans {
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b.WriteString(sp.Text)
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}
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return b.String()
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}
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