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Copy pathutil.go
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55 lines (50 loc) · 1.29 KB
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Copy pathutil.go
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55 lines (50 loc) · 1.29 KB
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package css
import (
"encoding/hex"
"github.com/tdewolff/parse/v2"
"github.com/tdewolff/parse/v2/css"
)
func removeMarkupNewlines(data []byte) []byte {
// remove any \\\r\n \\\r \\\n
for i := 1; i < len(data)-2; i++ {
if data[i] == '\\' && (data[i+1] == '\n' || data[i+1] == '\r') {
// encountered first replacee, now start to move bytes to the front
j := i + 2
if data[i+1] == '\r' && len(data) > i+2 && data[i+2] == '\n' {
j++
}
for ; j < len(data); j++ {
if data[j] == '\\' && len(data) > j+1 && (data[j+1] == '\n' || data[j+1] == '\r') {
if data[j+1] == '\r' && len(data) > j+2 && data[j+2] == '\n' {
j++
}
j++
} else {
data[i] = data[j]
i++
}
}
data = data[:i]
break
}
}
return data
}
func rgbToToken(r, g, b float64) Token {
// r, g, b are in interval [0.0, 1.0]
rgb := []byte{byte((r * 255.0) + 0.5), byte((g * 255.0) + 0.5), byte((b * 255.0) + 0.5)}
val := make([]byte, 7)
val[0] = '#'
hex.Encode(val[1:], rgb)
parse.ToLower(val)
if s, ok := ShortenColorHex[string(val[:7])]; ok {
return Token{css.IdentToken, s, nil, 0, 0}
} else if val[1] == val[2] && val[3] == val[4] && val[5] == val[6] {
val[2] = val[3]
val[3] = val[5]
val = val[:4]
} else {
val = val[:7]
}
return Token{css.HashToken, val, nil, 0, 0}
}