mirror of
https://github.com/mickael-menu/zk
synced 2024-11-15 12:12:56 +00:00
130 lines
3.8 KiB
Go
130 lines
3.8 KiB
Go
package core
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import "fmt"
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// Style is a key representing a single styling rule.
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type Style string
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// Predefined styling rules.
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var (
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// Title of a note.
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StyleTitle = Style("title")
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// Path to notebook file.
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StylePath = Style("path")
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// Searched for term in a note.
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StyleTerm = Style("term")
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// Element to emphasize, for example the short version of a prompt response: [y]es.
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StyleEmphasis = Style("emphasis")
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// Element to understate, for example the content of the note in fzf.
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StyleUnderstate = Style("understate")
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StyleBold = Style("bold")
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StyleItalic = Style("italic")
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StyleFaint = Style("faint")
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StyleUnderline = Style("underline")
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StyleStrikethrough = Style("strikethrough")
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StyleBlink = Style("blink")
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StyleReverse = Style("reverse")
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StyleHidden = Style("hidden")
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StyleBlack = Style("black")
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StyleRed = Style("red")
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StyleGreen = Style("green")
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StyleYellow = Style("yellow")
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StyleBlue = Style("blue")
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StyleMagenta = Style("magenta")
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StyleCyan = Style("cyan")
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StyleWhite = Style("white")
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StyleBlackBg = Style("black-bg")
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StyleRedBg = Style("red-bg")
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StyleGreenBg = Style("green-bg")
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StyleYellowBg = Style("yellow-bg")
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StyleBlueBg = Style("blue-bg")
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StyleMagentaBg = Style("magenta-bg")
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StyleCyanBg = Style("cyan-bg")
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StyleWhiteBg = Style("white-bg")
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StyleBrightBlack = Style("bright-black")
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StyleBrightRed = Style("bright-red")
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StyleBrightGreen = Style("bright-green")
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StyleBrightYellow = Style("bright-yellow")
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StyleBrightBlue = Style("bright-blue")
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StyleBrightMagenta = Style("bright-magenta")
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StyleBrightCyan = Style("bright-cyan")
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StyleBrightWhite = Style("bright-white")
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StyleBrightBlackBg = Style("bright-black-bg")
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StyleBrightRedBg = Style("bright-red-bg")
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StyleBrightGreenBg = Style("bright-green-bg")
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StyleBrightYellowBg = Style("bright-yellow-bg")
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StyleBrightBlueBg = Style("bright-blue-bg")
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StyleBrightMagentaBg = Style("bright-magenta-bg")
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StyleBrightCyanBg = Style("bright-cyan-bg")
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StyleBrightWhiteBg = Style("bright-white-bg")
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)
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// Styler stylizes text according to predefined styling rules.
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//
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// A rule key can be either semantic, e.g. "title" or explicit, e.g. "red".
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type Styler interface {
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// Style formats the given text according to the provided styling rules.
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Style(text string, rules ...Style) (string, error)
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// Style formats the given text according to the provided styling rules,
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// panicking if the rules are unknown.
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MustStyle(text string, rules ...Style) string
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}
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// ProxyStyler is a styler delegating to an underlying styler.
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// Can be used to change the active styler during runtime.
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type ProxyStyler struct {
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Styler Styler
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}
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func NewProxyStyler(styler Styler) *ProxyStyler {
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return &ProxyStyler{styler}
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}
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// Style implements Styler.
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func (s ProxyStyler) Style(text string, rule ...Style) (string, error) {
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return s.Styler.Style(text, rule...)
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}
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// MustStyle implements Styler.
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func (s ProxyStyler) MustStyle(text string, rule ...Style) string {
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return s.Styler.MustStyle(text, rule...)
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}
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// NullStyler is a Styler with no styling rules.
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var NullStyler = nullStyler{}
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type nullStyler struct{}
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// Style implements Styler.
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func (s nullStyler) Style(text string, rule ...Style) (string, error) {
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return text, nil
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}
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// MustStyle implements Styler.
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func (s nullStyler) MustStyle(text string, rule ...Style) string {
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return text
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}
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// TagStyler is a Styler which outputs XML tags.
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var TagStyler = tagStyler{}
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type tagStyler struct{}
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// Style implements Styler.
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func (s tagStyler) Style(text string, rules ...Style) (string, error) {
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return s.MustStyle(text, rules...), nil
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}
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// MustStyle implements Styler.
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func (s tagStyler) MustStyle(text string, rules ...Style) string {
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for _, rule := range rules {
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text = fmt.Sprintf("<%s>%s</%s>", rule, text, rule)
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}
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return text
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}
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