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