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Switch to Pygments-style CSS class names.
Add GitHub theme + CSS to style importer.
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package main | ||
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import ( | ||
"io/ioutil" | ||
"os" | ||
"strings" | ||
"text/template" | ||
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"github.com/aymerick/douceur/css" | ||
"github.com/aymerick/douceur/parser" | ||
"gopkg.in/alecthomas/kingpin.v3-unstable" | ||
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"github.com/alecthomas/chroma" | ||
) | ||
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const ( | ||
outputTemplate = `package styles | ||
import ( | ||
"github.com/alecthomas/chroma" | ||
) | ||
// {{.Name}} style. | ||
var {{.Name}} = Register(chroma.MustNewStyle("{{.Name|Lower}}", chroma.StyleEntries{ | ||
{{- range .Rules}} | ||
{{- if .Prelude|TokenType}} | ||
chroma.{{.Prelude|TokenType}}: "{{.Declarations|TranslateDecls}}", | ||
{{- end}} | ||
{{- end}} | ||
})) | ||
` | ||
) | ||
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var ( | ||
typeByClass = map[string]chroma.TokenType{ | ||
".hll": chroma.Background, | ||
} | ||
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cssNamedColours = map[string]string{ | ||
"black": "#000000", "silver": "#c0c0c0", "gray": "#808080", "white": "#ffffff", | ||
"maroon": "#800000", "red": "#ff0000", "purple": "#800080", "fuchsia": "#ff00ff", | ||
"green": "#008000", "lime": "#00ff00", "olive": "#808000", "yellow": "#ffff00", | ||
"navy": "#000080", "blue": "#0000ff", "teal": "#008080", "aqua": "#00ffff", | ||
"orange": "#ffa500", "aliceblue": "#f0f8ff", "antiquewhite": "#faebd7", "aquamarine": "#7fffd4", | ||
"azure": "#f0ffff", "beige": "#f5f5dc", "bisque": "#ffe4c4", "blanchedalmond": "#ffebcd", | ||
"blueviolet": "#8a2be2", "brown": "#a52a2a", "burlywood": "#deb887", "cadetblue": "#5f9ea0", | ||
"chartreuse": "#7fff00", "chocolate": "#d2691e", "coral": "#ff7f50", "cornflowerblue": "#6495ed", | ||
"cornsilk": "#fff8dc", "crimson": "#dc143c", "cyan": "#00ffff", "darkblue": "#00008b", | ||
"darkcyan": "#008b8b", "darkgoldenrod": "#b8860b", "darkgray": "#a9a9a9", "darkgreen": "#006400", | ||
"darkgrey": "#a9a9a9", "darkkhaki": "#bdb76b", "darkmagenta": "#8b008b", "darkolivegreen": "#556b2f", | ||
"darkorange": "#ff8c00", "darkorchid": "#9932cc", "darkred": "#8b0000", "darksalmon": "#e9967a", | ||
"darkseagreen": "#8fbc8f", "darkslateblue": "#483d8b", "darkslategray": "#2f4f4f", "darkslategrey": "#2f4f4f", | ||
"darkturquoise": "#00ced1", "darkviolet": "#9400d3", "deeppink": "#ff1493", "deepskyblue": "#00bfff", | ||
"dimgray": "#696969", "dimgrey": "#696969", "dodgerblue": "#1e90ff", "firebrick": "#b22222", | ||
"floralwhite": "#fffaf0", "forestgreen": "#228b22", "gainsboro": "#dcdcdc", "ghostwhite": "#f8f8ff", | ||
"gold": "#ffd700", "goldenrod": "#daa520", "greenyellow": "#adff2f", "grey": "#808080", | ||
"honeydew": "#f0fff0", "hotpink": "#ff69b4", "indianred": "#cd5c5c", "indigo": "#4b0082", | ||
"ivory": "#fffff0", "khaki": "#f0e68c", "lavender": "#e6e6fa", "lavenderblush": "#fff0f5", | ||
"lawngreen": "#7cfc00", "lemonchiffon": "#fffacd", "lightblue": "#add8e6", "lightcoral": "#f08080", | ||
"lightcyan": "#e0ffff", "lightgoldenrodyellow": "#fafad2", "lightgray": "#d3d3d3", "lightgreen": "#90ee90", | ||
"lightgrey": "#d3d3d3", "lightpink": "#ffb6c1", "lightsalmon": "#ffa07a", "lightseagreen": "#20b2aa", | ||
"lightskyblue": "#87cefa", "lightslategray": "#778899", "lightslategrey": "#778899", "lightsteelblue": "#b0c4de", | ||
"lightyellow": "#ffffe0", "limegreen": "#32cd32", "linen": "#faf0e6", "magenta": "#ff00ff", | ||
"mediumaquamarine": "#66cdaa", "mediumblue": "#0000cd", "mediumorchid": "#ba55d3", "mediumpurple": "#9370db", | ||
"mediumseagreen": "#3cb371", "mediumslateblue": "#7b68ee", "mediumspringgreen": "#00fa9a", "mediumturquoise": "#48d1cc", | ||
"mediumvioletred": "#c71585", "midnightblue": "#191970", "mintcream": "#f5fffa", "mistyrose": "#ffe4e1", | ||
"moccasin": "#ffe4b5", "navajowhite": "#ffdead", "oldlace": "#fdf5e6", "olivedrab": "#6b8e23", | ||
"orangered": "#ff4500", "orchid": "#da70d6", "palegoldenrod": "#eee8aa", "palegreen": "#98fb98", | ||
"paleturquoise": "#afeeee", "palevioletred": "#db7093", "papayawhip": "#ffefd5", "peachpuff": "#ffdab9", | ||
"peru": "#cd853f", "pink": "#ffc0cb", "plum": "#dda0dd", "powderblue": "#b0e0e6", | ||
"rosybrown": "#bc8f8f", "royalblue": "#4169e1", "saddlebrown": "#8b4513", "salmon": "#fa8072", | ||
"sandybrown": "#f4a460", "seagreen": "#2e8b57", "seashell": "#fff5ee", "sienna": "#a0522d", | ||
"skyblue": "#87ceeb", "slateblue": "#6a5acd", "slategray": "#708090", "slategrey": "#708090", | ||
"snow": "#fffafa", "springgreen": "#00ff7f", "steelblue": "#4682b4", "tan": "#d2b48c", | ||
"thistle": "#d8bfd8", "tomato": "#ff6347", "turquoise": "#40e0d0", "violet": "#ee82ee", | ||
"wheat": "#f5deb3", "whitesmoke": "#f5f5f5", "yellowgreen": "#9acd32", "rebeccapurple": "#663399", | ||
} | ||
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nameArg = kingpin.Arg("name", "Name of output style.").Required().String() | ||
fileArg = kingpin.Arg("stylesheets", ".css file to import").Required().ExistingFile() | ||
) | ||
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func init() { | ||
for tt, str := range chroma.StandardTypes { | ||
typeByClass["."+str] = tt | ||
} | ||
} | ||
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func translateDecls(decls []*css.Declaration) string { | ||
out := []string{} | ||
for _, decl := range decls { | ||
switch decl.Property { | ||
case "color": | ||
clr := decl.Value | ||
if c, ok := cssNamedColours[clr]; ok { | ||
clr = c | ||
} | ||
out = append(out, clr) | ||
case "background-color": | ||
out = append(out, "bg:"+decl.Value) | ||
case "font-style": | ||
if strings.Contains(decl.Value, "italic") { | ||
out = append(out, "italic") | ||
} | ||
case "font-weight": | ||
if strings.Contains(decl.Value, "bold") { | ||
out = append(out, "bold") | ||
} | ||
case "text-decoration": | ||
if strings.Contains(decl.Value, "underline") { | ||
out = append(out, "underline") | ||
} | ||
} | ||
} | ||
return strings.Join(out, " ") | ||
} | ||
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func main() { | ||
kingpin.Parse() | ||
source, err := ioutil.ReadFile(*fileArg) | ||
kingpin.FatalIfError(err, "") | ||
css, err := parser.Parse(string(source)) | ||
kingpin.FatalIfError(err, "") | ||
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context := map[string]interface{}{ | ||
"Name": *nameArg, | ||
"Rules": css.Rules, | ||
} | ||
tmpl := template.Must(template.New("style").Funcs(template.FuncMap{ | ||
"Lower": strings.ToLower, | ||
"TranslateDecls": translateDecls, | ||
"TokenType": func(s string) chroma.TokenType { return typeByClass[s] }, | ||
}).Parse(outputTemplate)) | ||
err = tmpl.Execute(os.Stdout, context) | ||
kingpin.FatalIfError(err, "") | ||
} |
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Original file line number | Diff line number | Diff line change |
---|---|---|
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package styles | ||
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import ( | ||
"github.com/alecthomas/chroma" | ||
) | ||
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// Github style. | ||
var Github = Register(chroma.MustNewStyle("github", chroma.StyleEntries{ | ||
chroma.CommentMultiline: "italic #999988", | ||
chroma.CommentPreproc: "bold #999999", | ||
chroma.CommentSingle: "italic #999988", | ||
chroma.CommentSpecial: "bold italic #999999", | ||
chroma.Comment: "italic #999988", | ||
chroma.Error: "bg:#e3d2d2 #a61717", | ||
chroma.GenericDeleted: "bg:#ffdddd #000000", | ||
chroma.GenericEmph: "italic #000000", | ||
chroma.GenericError: "#aa0000", | ||
chroma.GenericHeading: "#999999", | ||
chroma.GenericInserted: "bg:#ddffdd #000000", | ||
chroma.GenericOutput: "#888888", | ||
chroma.GenericPrompt: "#555555", | ||
chroma.GenericStrong: "bold", | ||
chroma.GenericSubheading: "#aaaaaa", | ||
chroma.GenericTraceback: "#aa0000", | ||
chroma.KeywordConstant: "bold #000000 ", | ||
chroma.KeywordDeclaration: "bold #000000", | ||
chroma.KeywordNamespace: "bold #000000", | ||
chroma.KeywordPseudo: "bold #000000", | ||
chroma.KeywordReserved: "bold #000000", | ||
chroma.KeywordType: "bold #445588", | ||
chroma.Keyword: "bold #000000", | ||
chroma.LiteralNumberFloat: "#009999", | ||
chroma.LiteralNumberHex: "#009999", | ||
chroma.LiteralNumberIntegerLong: "#009999", | ||
chroma.LiteralNumberInteger: "#009999", | ||
chroma.LiteralNumberOct: "#009999", | ||
chroma.LiteralNumber: "#009999", | ||
chroma.LiteralStringBacktick: "#d14", | ||
chroma.LiteralStringChar: "#d14", | ||
chroma.LiteralStringDoc: "#d14", | ||
chroma.LiteralStringDouble: "#d14", | ||
chroma.LiteralStringEscape: "#d14", | ||
chroma.LiteralStringHeredoc: "#d14", | ||
chroma.LiteralStringInterpol: "#d14", | ||
chroma.LiteralStringOther: "#d14", | ||
chroma.LiteralStringRegex: "#009926", | ||
chroma.LiteralStringSingle: "#d14", | ||
chroma.LiteralStringSymbol: "#990073", | ||
chroma.LiteralString: "#d14", | ||
chroma.NameAttribute: "#008080", | ||
chroma.NameBuiltinPseudo: "#999999", | ||
chroma.NameBuiltin: "#0086B3", | ||
chroma.NameClass: "bold #445588", | ||
chroma.NameConstant: "#008080", | ||
chroma.NameDecorator: "bold #3c5d5d", | ||
chroma.NameEntity: "#800080", | ||
chroma.NameException: "bold #990000", | ||
chroma.NameFunction: "bold #990000", | ||
chroma.NameLabel: "bold #990000", | ||
chroma.NameNamespace: "#555555", | ||
chroma.NameTag: "#000080", | ||
chroma.NameVariableClass: "#008080", | ||
chroma.NameVariableGlobal: "#008080", | ||
chroma.NameVariableInstance: "#008080", | ||
chroma.NameVariable: "#008080", | ||
chroma.OperatorWord: "bold #000000", | ||
chroma.Operator: "bold #000000", | ||
chroma.TextWhitespace: "#bbbbbb", | ||
chroma.Background: " bg:#ffffff", | ||
})) |
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bdc1124
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Thank you! This is a big plus! Now switching from Pygments to Chroma is completely transparent! My previously generated Pygments theme CSS file just works!