kilo/vendor/github.com/emicklei/go-restful/mime.go
leonnicolas a3bf13711c
go.mod: bump client-go and api machinerie
I had to run `make generate`.
Some API functions got additional parameters `Options` and `Context`.
I used empty options and `context.TODO()` for now.

Signed-off-by: leonnicolas <leonloechner@gmx.de>
2021-05-15 12:12:50 +02:00

51 lines
1.4 KiB
Go

package restful
import (
"strconv"
"strings"
)
type mime struct {
media string
quality float64
}
// insertMime adds a mime to a list and keeps it sorted by quality.
func insertMime(l []mime, e mime) []mime {
for i, each := range l {
// if current mime has lower quality then insert before
if e.quality > each.quality {
left := append([]mime{}, l[0:i]...)
return append(append(left, e), l[i:]...)
}
}
return append(l, e)
}
const qFactorWeightingKey = "q"
// sortedMimes returns a list of mime sorted (desc) by its specified quality.
// e.g. text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3
func sortedMimes(accept string) (sorted []mime) {
for _, each := range strings.Split(accept, ",") {
typeAndQuality := strings.Split(strings.Trim(each, " "), ";")
if len(typeAndQuality) == 1 {
sorted = insertMime(sorted, mime{typeAndQuality[0], 1.0})
} else {
// take factor
qAndWeight := strings.Split(typeAndQuality[1], "=")
if len(qAndWeight) == 2 && strings.Trim(qAndWeight[0], " ") == qFactorWeightingKey {
f, err := strconv.ParseFloat(qAndWeight[1], 64)
if err != nil {
traceLogger.Printf("unable to parse quality in %s, %v", each, err)
} else {
sorted = insertMime(sorted, mime{typeAndQuality[0], f})
}
} else {
sorted = insertMime(sorted, mime{typeAndQuality[0], 1.0})
}
}
}
return
}