chore: vendor

vendor/github.com/muesli/termenv/style.go

@@ -0,0 +1,126 @@
+package termenv
+
+import (
+	"fmt"
+	"strings"
+
+	"github.com/mattn/go-runewidth"
+)
+
+// Sequence definitions.
+const (
+	ResetSeq     = "0"
+	BoldSeq      = "1"
+	FaintSeq     = "2"
+	ItalicSeq    = "3"
+	UnderlineSeq = "4"
+	BlinkSeq     = "5"
+	ReverseSeq   = "7"
+	CrossOutSeq  = "9"
+	OverlineSeq  = "53"
+)
+
+// Style is a string that various rendering styles can be applied to.
+type Style struct {
+	profile Profile
+	string
+	styles []string
+}
+
+// String returns a new Style.
+func String(s ...string) Style {
+	return Style{
+		profile: ANSI,
+		string:  strings.Join(s, " "),
+	}
+}
+
+func (t Style) String() string {
+	return t.Styled(t.string)
+}
+
+// Styled renders s with all applied styles.
+func (t Style) Styled(s string) string {
+	if t.profile == Ascii {
+		return s
+	}
+	if len(t.styles) == 0 {
+		return s
+	}
+
+	seq := strings.Join(t.styles, ";")
+	if seq == "" {
+		return s
+	}
+
+	return fmt.Sprintf("%s%sm%s%sm", CSI, seq, s, CSI+ResetSeq)
+}
+
+// Foreground sets a foreground color.
+func (t Style) Foreground(c Color) Style {
+	if c != nil {
+		t.styles = append(t.styles, c.Sequence(false))
+	}
+	return t
+}
+
+// Background sets a background color.
+func (t Style) Background(c Color) Style {
+	if c != nil {
+		t.styles = append(t.styles, c.Sequence(true))
+	}
+	return t
+}
+
+// Bold enables bold rendering.
+func (t Style) Bold() Style {
+	t.styles = append(t.styles, BoldSeq)
+	return t
+}
+
+// Faint enables faint rendering.
+func (t Style) Faint() Style {
+	t.styles = append(t.styles, FaintSeq)
+	return t
+}
+
+// Italic enables italic rendering.
+func (t Style) Italic() Style {
+	t.styles = append(t.styles, ItalicSeq)
+	return t
+}
+
+// Underline enables underline rendering.
+func (t Style) Underline() Style {
+	t.styles = append(t.styles, UnderlineSeq)
+	return t
+}
+
+// Overline enables overline rendering.
+func (t Style) Overline() Style {
+	t.styles = append(t.styles, OverlineSeq)
+	return t
+}
+
+// Blink enables blink mode.
+func (t Style) Blink() Style {
+	t.styles = append(t.styles, BlinkSeq)
+	return t
+}
+
+// Reverse enables reverse color mode.
+func (t Style) Reverse() Style {
+	t.styles = append(t.styles, ReverseSeq)
+	return t
+}
+
+// CrossOut enables crossed-out rendering.
+func (t Style) CrossOut() Style {
+	t.styles = append(t.styles, CrossOutSeq)
+	return t
+}
+
+// Width returns the width required to print all runes in Style.
+func (t Style) Width() int {
+	return runewidth.StringWidth(t.string)
+}