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package compression
import (
"strconv"
"github.com/pkg/errors"
)
const (
attrLayerCompression = "compression"
attrForceCompression = "force-compression"
attrCompressionLevel = "compression-level"
)
func ParseAttributes(attrs map[string]string) (Config, error) {
var compressionType Type
if v, ok := attrs[attrLayerCompression]; ok {
c, err := Parse(v)
if err != nil {
return Config{}, err
}
compressionType = c
} else {
compressionType = Default
}
compressionConfig := New(compressionType)
if v, ok := attrs[attrForceCompression]; ok {
var force bool
if v == "" {
force = true
} else {
b, err := strconv.ParseBool(v)
if err != nil {
return Config{}, errors.Wrapf(err, "non-bool value %s specified for %s", v, attrForceCompression)
}
force = b
}
compressionConfig = compressionConfig.SetForce(force)
}
if v, ok := attrs[attrCompressionLevel]; ok {
ii, err := strconv.ParseInt(v, 10, 64)
if err != nil {
return Config{}, errors.Wrapf(err, "non-integer value %s specified for %s", v, attrCompressionLevel)
}
compressionConfig = compressionConfig.SetLevel(int(ii))
}
return compressionConfig, nil
}
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