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Merge branch 'master' into use-glamour select Glamour Theme based on BackgroundColor Merge branch 'master' into use-glamour Merge branch 'master' into use-glamour update termev update go.mod label color colorate use glamour for issue content Vendor: Add glamour Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com> Co-authored-by: 6543 <6543@obermui.de> Reviewed-on: https://gitea.com/gitea/tea/pulls/181 Reviewed-by: techknowlogick <techknowlogick@gitea.io> Reviewed-by: Lunny Xiao <xiaolunwen@gmail.com>
105 lines
2.3 KiB
Go
105 lines
2.3 KiB
Go
package ansi
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import (
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"bytes"
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"io"
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"text/template"
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"github.com/muesli/termenv"
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)
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// BaseElement renders a styled primitive element.
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type BaseElement struct {
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Token string
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Prefix string
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Suffix string
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Style StylePrimitive
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}
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func formatToken(format string, token string) (string, error) {
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var b bytes.Buffer
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v := make(map[string]interface{})
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v["text"] = token
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tmpl, err := template.New(format).Funcs(TemplateFuncMap).Parse(format)
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if err != nil {
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return "", err
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}
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err = tmpl.Execute(&b, v)
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return b.String(), err
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}
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func renderText(w io.Writer, p termenv.Profile, rules StylePrimitive, s string) {
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if len(s) == 0 {
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return
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}
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out := termenv.String(s)
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if rules.Color != nil {
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out = out.Foreground(p.Color(*rules.Color))
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}
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if rules.BackgroundColor != nil {
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out = out.Background(p.Color(*rules.BackgroundColor))
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}
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if rules.Underline != nil && *rules.Underline {
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out = out.Underline()
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}
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if rules.Bold != nil && *rules.Bold {
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out = out.Bold()
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}
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if rules.Italic != nil && *rules.Italic {
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out = out.Italic()
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}
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if rules.CrossedOut != nil && *rules.CrossedOut {
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out = out.CrossOut()
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}
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if rules.Overlined != nil && *rules.Overlined {
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out = out.Overline()
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}
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if rules.Inverse != nil && *rules.Inverse {
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out = out.Reverse()
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}
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if rules.Blink != nil && *rules.Blink {
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out = out.Blink()
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}
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_, _ = w.Write([]byte(out.String()))
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}
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func (e *BaseElement) Render(w io.Writer, ctx RenderContext) error {
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bs := ctx.blockStack
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renderText(w, ctx.options.ColorProfile, bs.Current().Style.StylePrimitive, e.Prefix)
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defer func() {
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renderText(w, ctx.options.ColorProfile, bs.Current().Style.StylePrimitive, e.Suffix)
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}()
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rules := bs.With(e.Style)
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// render unstyled prefix/suffix
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renderText(w, ctx.options.ColorProfile, bs.Current().Style.StylePrimitive, rules.BlockPrefix)
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defer func() {
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renderText(w, ctx.options.ColorProfile, bs.Current().Style.StylePrimitive, rules.BlockSuffix)
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}()
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// render styled prefix/suffix
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renderText(w, ctx.options.ColorProfile, rules, rules.Prefix)
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defer func() {
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renderText(w, ctx.options.ColorProfile, rules, rules.Suffix)
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}()
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s := e.Token
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if len(rules.Format) > 0 {
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var err error
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s, err = formatToken(rules.Format, s)
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if err != nil {
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return err
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}
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}
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renderText(w, ctx.options.ColorProfile, rules, s)
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return nil
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}
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