decentral1se
c88189fe59
We were running behind and there were quite some deprecations to update. This was mostly in the upstream copy/pasta package but seems quite minimal.
49 lines
1.1 KiB
Go
49 lines
1.1 KiB
Go
package lipgloss
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import (
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"strings"
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"github.com/charmbracelet/x/ansi"
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)
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// StyleRanges allows to, given a string, style ranges of it differently.
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// The function will take into account existing styles.
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// Ranges should not overlap.
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func StyleRanges(s string, ranges ...Range) string {
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if len(ranges) == 0 {
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return s
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}
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var buf strings.Builder
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lastIdx := 0
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stripped := ansi.Strip(s)
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// Use Truncate and TruncateLeft to style match.MatchedIndexes without
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// losing the original option style:
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for _, rng := range ranges {
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// Add the text before this match
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if rng.Start > lastIdx {
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buf.WriteString(ansi.Cut(s, lastIdx, rng.Start))
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}
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// Add the matched range with its highlight
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buf.WriteString(rng.Style.Render(ansi.Cut(stripped, rng.Start, rng.End)))
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lastIdx = rng.End
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}
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// Add any remaining text after the last match
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buf.WriteString(ansi.TruncateLeft(s, lastIdx, ""))
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return buf.String()
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}
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// NewRange returns a range that can be used with [StyleRanges].
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func NewRange(start, end int, style Style) Range {
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return Range{start, end, style}
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}
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// Range to be used with [StyleRanges].
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type Range struct {
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Start, End int
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Style Style
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}
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