79 lines
1.4 KiB
Go
79 lines
1.4 KiB
Go
package util
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import (
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"encoding/json"
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"fmt"
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"net/http"
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"strconv"
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)
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func PrettyPrint(data interface{}) string {
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j, err := json.MarshalIndent(data, "", " ")
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if err != nil {
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return fmt.Sprint("error:", err)
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}
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return fmt.Sprint(string(j))
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}
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func FloatToHex(x float64) string {
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var result []byte
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quotient := int(x)
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fraction := x - float64(quotient)
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for quotient > 0 {
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quotient = int(x / 16)
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remainder := int(x - (float64(quotient) * 16))
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if remainder > 9 {
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result = append([]byte{byte(remainder + 55)}, result...)
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} else {
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for _, c := range strconv.Itoa(int(remainder)) {
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result = append([]byte{byte(c)}, result...)
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}
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}
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x = float64(quotient)
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}
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if fraction == 0 {
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return string(result)
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}
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result = append(result, '.')
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for fraction > 0 {
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fraction = fraction * 16
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integer := int(fraction)
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fraction = fraction - float64(integer)
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if integer > 9 {
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result = append(result, byte(integer+55))
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} else {
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for _, c := range strconv.Itoa(int(integer)) {
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result = append(result, byte(c))
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}
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}
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}
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return string(result)
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}
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func HeaderToArray(header http.Header) (res []string) {
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for name, values := range header {
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for _, value := range values {
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res = append(res, fmt.Sprintf("%s: %s", name, value))
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}
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}
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return
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}
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func HeaderToMap(header http.Header) map[string]string {
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h := make(map[string]string)
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for name, values := range header {
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for _, value := range values {
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h[name] = value
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}
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}
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return h
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}
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