mirror of
https://github.com/alecthomas/chroma.git
synced 2025-03-17 20:58:08 +02:00
Switch to Pygments-style CSS class names.
Add GitHub theme + CSS to style importer.
This commit is contained in:
Alec Thomas
parent
2181aa5f70
commit
bdc1124369
136
_tools/css2style/main.go
Normal file
136
_tools/css2style/main.go
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@ -0,0 +1,136 @@
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package main
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import (
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"io/ioutil"
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"os"
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"strings"
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"text/template"
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"github.com/aymerick/douceur/css"
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"github.com/aymerick/douceur/parser"
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"gopkg.in/alecthomas/kingpin.v3-unstable"
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"github.com/alecthomas/chroma"
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)
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const (
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outputTemplate = `package styles
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import (
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"github.com/alecthomas/chroma"
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)
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// {{.Name}} style.
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var {{.Name}} = Register(chroma.MustNewStyle("{{.Name|Lower}}", chroma.StyleEntries{
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{{- range .Rules}}
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{{- if .Prelude|TokenType}}
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chroma.{{.Prelude|TokenType}}: "{{.Declarations|TranslateDecls}}",
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{{- end}}
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{{- end}}
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}))
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`
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)
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var (
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typeByClass = map[string]chroma.TokenType{
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".hll": chroma.Background,
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}
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cssNamedColours = map[string]string{
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"black": "#000000", "silver": "#c0c0c0", "gray": "#808080", "white": "#ffffff",
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"maroon": "#800000", "red": "#ff0000", "purple": "#800080", "fuchsia": "#ff00ff",
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"green": "#008000", "lime": "#00ff00", "olive": "#808000", "yellow": "#ffff00",
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"navy": "#000080", "blue": "#0000ff", "teal": "#008080", "aqua": "#00ffff",
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"orange": "#ffa500", "aliceblue": "#f0f8ff", "antiquewhite": "#faebd7", "aquamarine": "#7fffd4",
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"azure": "#f0ffff", "beige": "#f5f5dc", "bisque": "#ffe4c4", "blanchedalmond": "#ffebcd",
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"blueviolet": "#8a2be2", "brown": "#a52a2a", "burlywood": "#deb887", "cadetblue": "#5f9ea0",
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"chartreuse": "#7fff00", "chocolate": "#d2691e", "coral": "#ff7f50", "cornflowerblue": "#6495ed",
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"cornsilk": "#fff8dc", "crimson": "#dc143c", "cyan": "#00ffff", "darkblue": "#00008b",
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"darkcyan": "#008b8b", "darkgoldenrod": "#b8860b", "darkgray": "#a9a9a9", "darkgreen": "#006400",
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"darkgrey": "#a9a9a9", "darkkhaki": "#bdb76b", "darkmagenta": "#8b008b", "darkolivegreen": "#556b2f",
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"darkorange": "#ff8c00", "darkorchid": "#9932cc", "darkred": "#8b0000", "darksalmon": "#e9967a",
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"darkseagreen": "#8fbc8f", "darkslateblue": "#483d8b", "darkslategray": "#2f4f4f", "darkslategrey": "#2f4f4f",
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"darkturquoise": "#00ced1", "darkviolet": "#9400d3", "deeppink": "#ff1493", "deepskyblue": "#00bfff",
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"dimgray": "#696969", "dimgrey": "#696969", "dodgerblue": "#1e90ff", "firebrick": "#b22222",
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"floralwhite": "#fffaf0", "forestgreen": "#228b22", "gainsboro": "#dcdcdc", "ghostwhite": "#f8f8ff",
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"gold": "#ffd700", "goldenrod": "#daa520", "greenyellow": "#adff2f", "grey": "#808080",
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"honeydew": "#f0fff0", "hotpink": "#ff69b4", "indianred": "#cd5c5c", "indigo": "#4b0082",
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"ivory": "#fffff0", "khaki": "#f0e68c", "lavender": "#e6e6fa", "lavenderblush": "#fff0f5",
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"lawngreen": "#7cfc00", "lemonchiffon": "#fffacd", "lightblue": "#add8e6", "lightcoral": "#f08080",
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"lightcyan": "#e0ffff", "lightgoldenrodyellow": "#fafad2", "lightgray": "#d3d3d3", "lightgreen": "#90ee90",
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"lightgrey": "#d3d3d3", "lightpink": "#ffb6c1", "lightsalmon": "#ffa07a", "lightseagreen": "#20b2aa",
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"lightskyblue": "#87cefa", "lightslategray": "#778899", "lightslategrey": "#778899", "lightsteelblue": "#b0c4de",
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"lightyellow": "#ffffe0", "limegreen": "#32cd32", "linen": "#faf0e6", "magenta": "#ff00ff",
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"mediumaquamarine": "#66cdaa", "mediumblue": "#0000cd", "mediumorchid": "#ba55d3", "mediumpurple": "#9370db",
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"mediumseagreen": "#3cb371", "mediumslateblue": "#7b68ee", "mediumspringgreen": "#00fa9a", "mediumturquoise": "#48d1cc",
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"mediumvioletred": "#c71585", "midnightblue": "#191970", "mintcream": "#f5fffa", "mistyrose": "#ffe4e1",
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"moccasin": "#ffe4b5", "navajowhite": "#ffdead", "oldlace": "#fdf5e6", "olivedrab": "#6b8e23",
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"orangered": "#ff4500", "orchid": "#da70d6", "palegoldenrod": "#eee8aa", "palegreen": "#98fb98",
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"paleturquoise": "#afeeee", "palevioletred": "#db7093", "papayawhip": "#ffefd5", "peachpuff": "#ffdab9",
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"peru": "#cd853f", "pink": "#ffc0cb", "plum": "#dda0dd", "powderblue": "#b0e0e6",
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"rosybrown": "#bc8f8f", "royalblue": "#4169e1", "saddlebrown": "#8b4513", "salmon": "#fa8072",
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"sandybrown": "#f4a460", "seagreen": "#2e8b57", "seashell": "#fff5ee", "sienna": "#a0522d",
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"skyblue": "#87ceeb", "slateblue": "#6a5acd", "slategray": "#708090", "slategrey": "#708090",
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"snow": "#fffafa", "springgreen": "#00ff7f", "steelblue": "#4682b4", "tan": "#d2b48c",
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"thistle": "#d8bfd8", "tomato": "#ff6347", "turquoise": "#40e0d0", "violet": "#ee82ee",
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"wheat": "#f5deb3", "whitesmoke": "#f5f5f5", "yellowgreen": "#9acd32", "rebeccapurple": "#663399",
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}
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nameArg = kingpin.Arg("name", "Name of output style.").Required().String()
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fileArg = kingpin.Arg("stylesheets", ".css file to import").Required().ExistingFile()
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)
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func init() {
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for tt, str := range chroma.StandardTypes {
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typeByClass["."+str] = tt
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}
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}
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func translateDecls(decls []*css.Declaration) string {
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out := []string{}
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for _, decl := range decls {
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switch decl.Property {
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case "color":
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clr := decl.Value
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if c, ok := cssNamedColours[clr]; ok {
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clr = c
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}
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out = append(out, clr)
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case "background-color":
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out = append(out, "bg:"+decl.Value)
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case "font-style":
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if strings.Contains(decl.Value, "italic") {
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out = append(out, "italic")
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}
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case "font-weight":
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if strings.Contains(decl.Value, "bold") {
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out = append(out, "bold")
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}
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case "text-decoration":
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if strings.Contains(decl.Value, "underline") {
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out = append(out, "underline")
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}
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}
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}
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return strings.Join(out, " ")
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}
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func main() {
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kingpin.Parse()
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source, err := ioutil.ReadFile(*fileArg)
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kingpin.FatalIfError(err, "")
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css, err := parser.Parse(string(source))
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kingpin.FatalIfError(err, "")
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context := map[string]interface{}{
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"Name": *nameArg,
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"Rules": css.Rules,
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}
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tmpl := template.Must(template.New("style").Funcs(template.FuncMap{
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"Lower": strings.ToLower,
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"TranslateDecls": translateDecls,
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"TokenType": func(s string) chroma.TokenType { return typeByClass[s] },
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}).Parse(outputTemplate))
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err = tmpl.Execute(os.Stdout, context)
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kingpin.FatalIfError(err, "")
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}
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@ -183,19 +183,15 @@ func (f *Formatter) writeHTML(w io.Writer, style *chroma.Style, tokens []*chroma
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return nil
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}
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func (f *Formatter) class(tt chroma.TokenType) string {
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switch tt {
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case chroma.Background:
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return "chroma"
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case chroma.LineNumbers:
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return "ln"
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case chroma.LineHighlight:
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return "hl"
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func (f *Formatter) class(t chroma.TokenType) string {
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for t != 0 {
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cls, ok := chroma.StandardTypes[t]
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if ok {
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return cls
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}
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t = t.Parent()
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}
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if tt < 0 {
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return fmt.Sprintf("%sss%x", f.prefix, -int(tt))
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}
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return fmt.Sprintf("%ss%x", f.prefix, int(tt))
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return chroma.StandardTypes[t]
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}
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func (f *Formatter) styleAttr(styles map[chroma.TokenType]string, tt chroma.TokenType) string {
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70
styles/github.go
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70
styles/github.go
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@ -0,0 +1,70 @@
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package styles
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import (
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"github.com/alecthomas/chroma"
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)
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// Github style.
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var Github = Register(chroma.MustNewStyle("github", chroma.StyleEntries{
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chroma.CommentMultiline: "italic #999988",
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chroma.CommentPreproc: "bold #999999",
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chroma.CommentSingle: "italic #999988",
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chroma.CommentSpecial: "bold italic #999999",
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chroma.Comment: "italic #999988",
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chroma.Error: "bg:#e3d2d2 #a61717",
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chroma.GenericDeleted: "bg:#ffdddd #000000",
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chroma.GenericEmph: "italic #000000",
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chroma.GenericError: "#aa0000",
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chroma.GenericHeading: "#999999",
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chroma.GenericInserted: "bg:#ddffdd #000000",
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chroma.GenericOutput: "#888888",
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chroma.GenericPrompt: "#555555",
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chroma.GenericStrong: "bold",
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chroma.GenericSubheading: "#aaaaaa",
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chroma.GenericTraceback: "#aa0000",
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chroma.KeywordConstant: "bold #000000 ",
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chroma.KeywordDeclaration: "bold #000000",
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chroma.KeywordNamespace: "bold #000000",
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chroma.KeywordPseudo: "bold #000000",
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chroma.KeywordReserved: "bold #000000",
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chroma.KeywordType: "bold #445588",
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chroma.Keyword: "bold #000000",
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chroma.LiteralNumberFloat: "#009999",
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chroma.LiteralNumberHex: "#009999",
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chroma.LiteralNumberIntegerLong: "#009999",
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chroma.LiteralNumberInteger: "#009999",
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chroma.LiteralNumberOct: "#009999",
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chroma.LiteralNumber: "#009999",
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chroma.LiteralStringBacktick: "#d14",
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chroma.LiteralStringChar: "#d14",
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chroma.LiteralStringDoc: "#d14",
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chroma.LiteralStringDouble: "#d14",
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chroma.LiteralStringEscape: "#d14",
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chroma.LiteralStringHeredoc: "#d14",
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chroma.LiteralStringInterpol: "#d14",
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chroma.LiteralStringOther: "#d14",
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chroma.LiteralStringRegex: "#009926",
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chroma.LiteralStringSingle: "#d14",
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chroma.LiteralStringSymbol: "#990073",
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chroma.LiteralString: "#d14",
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chroma.NameAttribute: "#008080",
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chroma.NameBuiltinPseudo: "#999999",
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chroma.NameBuiltin: "#0086B3",
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chroma.NameClass: "bold #445588",
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chroma.NameConstant: "#008080",
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chroma.NameDecorator: "bold #3c5d5d",
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chroma.NameEntity: "#800080",
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chroma.NameException: "bold #990000",
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chroma.NameFunction: "bold #990000",
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chroma.NameLabel: "bold #990000",
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chroma.NameNamespace: "#555555",
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chroma.NameTag: "#000080",
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chroma.NameVariableClass: "#008080",
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chroma.NameVariableGlobal: "#008080",
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chroma.NameVariableInstance: "#008080",
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chroma.NameVariable: "#008080",
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chroma.OperatorWord: "bold #000000",
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chroma.Operator: "bold #000000",
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chroma.TextWhitespace: "#bbbbbb",
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chroma.Background: " bg:#ffffff",
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}))
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106
types.go
106
types.go
@ -188,6 +188,112 @@ const (
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NumberOct = LiteralNumberOct
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)
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var (
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StandardTypes = map[TokenType]string{
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Background: "chroma",
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LineNumbers: "ln",
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LineHighlight: "hl",
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Text: "",
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Whitespace: "w",
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Error: "err",
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Other: "x",
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// I have no idea what this is used for...
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// Escape: "esc",
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Keyword: "k",
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KeywordConstant: "kc",
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KeywordDeclaration: "kd",
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KeywordNamespace: "kn",
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KeywordPseudo: "kp",
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KeywordReserved: "kr",
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KeywordType: "kt",
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Name: "n",
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NameAttribute: "na",
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NameBuiltin: "nb",
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NameBuiltinPseudo: "bp",
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NameClass: "nc",
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NameConstant: "no",
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NameDecorator: "nd",
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NameEntity: "ni",
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NameException: "ne",
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NameFunction: "nf",
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NameFunctionMagic: "fm",
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NameProperty: "py",
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NameLabel: "nl",
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NameNamespace: "nn",
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NameOther: "nx",
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NameTag: "nt",
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NameVariable: "nv",
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NameVariableClass: "vc",
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NameVariableGlobal: "vg",
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NameVariableInstance: "vi",
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NameVariableMagic: "vm",
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Literal: "l",
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LiteralDate: "ld",
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String: "s",
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StringAffix: "sa",
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StringBacktick: "sb",
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StringChar: "sc",
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StringDelimiter: "dl",
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StringDoc: "sd",
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StringDouble: "s2",
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StringEscape: "se",
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StringHeredoc: "sh",
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StringInterpol: "si",
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StringOther: "sx",
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StringRegex: "sr",
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StringSingle: "s1",
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StringSymbol: "ss",
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Number: "m",
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NumberBin: "mb",
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NumberFloat: "mf",
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NumberHex: "mh",
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NumberInteger: "mi",
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NumberIntegerLong: "il",
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NumberOct: "mo",
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Operator: "o",
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OperatorWord: "ow",
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Punctuation: "p",
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Comment: "c",
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CommentHashbang: "ch",
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CommentMultiline: "cm",
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CommentPreproc: "cp",
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CommentPreprocFile: "cpf",
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CommentSingle: "c1",
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CommentSpecial: "cs",
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Generic: "g",
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GenericDeleted: "gd",
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GenericEmph: "ge",
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GenericError: "gr",
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GenericHeading: "gh",
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GenericInserted: "gi",
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GenericOutput: "go",
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GenericPrompt: "gp",
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GenericStrong: "gs",
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GenericSubheading: "gu",
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GenericTraceback: "gt",
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}
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)
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func (t TokenType) Parent() TokenType {
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if t%100 != 0 {
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return t / 100 * 100
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}
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if t%1000 != 0 {
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return t / 1000 * 1000
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}
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return 0
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}
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func (t TokenType) Category() TokenType {
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return t / 1000 * 1000
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}
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