gin/utils.go
2015-03-23 05:50:10 +01:00

83 lines
1.6 KiB
Go

// Copyright 2014 Manu Martinez-Almeida. All rights reserved.
// Use of this source code is governed by a MIT style
// license that can be found in the LICENSE file.
package gin
import (
"encoding/xml"
"log"
"reflect"
"runtime"
"strings"
)
type H map[string]interface{}
// Allows type H to be used with xml.Marshal
func (h H) MarshalXML(e *xml.Encoder, start xml.StartElement) error {
start.Name = xml.Name{
Space: "",
Local: "map",
}
if err := e.EncodeToken(start); err != nil {
return err
}
for key, value := range h {
elem := xml.StartElement{
Name: xml.Name{Space: "", Local: key},
Attr: []xml.Attr{},
}
if err := e.EncodeElement(value, elem); err != nil {
return err
}
}
if err := e.EncodeToken(xml.EndElement{Name: start.Name}); err != nil {
return err
}
return nil
}
func filterFlags(content string) string {
for i, char := range content {
if char == ' ' || char == ';' {
return content[:i]
}
}
return content
}
func chooseData(custom, wildcard interface{}) interface{} {
if custom == nil {
if wildcard == nil {
log.Panic("negotiation config is invalid")
}
return wildcard
}
return custom
}
func parseAccept(acceptHeader string) (parts []string) {
parts = strings.Split(acceptHeader, ",")
for i, part := range parts {
index := strings.IndexByte(part, ';')
if index >= 0 {
part = part[0:index]
}
parts[i] = strings.TrimSpace(part)
}
return
}
func lastChar(str string) uint8 {
size := len(str)
if size == 0 {
log.Panic("The length of the string can't be 0")
}
return str[size-1]
}
func nameOfFunction(f interface{}) string {
return runtime.FuncForPC(reflect.ValueOf(f).Pointer()).Name()
}