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util.go
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util.go
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// Copyright 2016 HenryLee. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package apiware
import (
"bytes"
"encoding/json"
"reflect"
"strings"
)
func toSnake(s string) string {
buf := bytes.NewBufferString("")
for i, v := range s {
if i > 0 && v >= 'A' && v <= 'Z' {
buf.WriteRune('_')
}
buf.WriteRune(v)
}
return strings.ToLower(buf.String())
}
func interfaceToSnake(f interface{}) string {
t := reflect.TypeOf(f)
for {
c := false
switch t.Kind() {
case reflect.Array, reflect.Chan, reflect.Map, reflect.Ptr, reflect.Slice:
t = t.Elem()
c = true
}
if !c {
break
}
}
return toSnake(t.Name())
}
func snakeToUpperCamel(s string) string {
buf := bytes.NewBufferString("")
for _, v := range strings.Split(s, "_") {
if len(v) > 0 {
buf.WriteString(strings.ToUpper(v[:1]))
buf.WriteString(v[1:])
}
}
return buf.String()
}
func bodyJONS(dest reflect.Value, body []byte) error {
var err error
if dest.Kind() == reflect.Ptr {
err = json.Unmarshal(body, dest.Interface())
} else {
err = json.Unmarshal(body, dest.Addr().Interface())
}
return err
}
type (
KV interface {
Get(k string) (v string, found bool)
}
Map map[string]string
)
func (m Map) Get(k string) (string, bool) {
v, found := m[k]
return v, found
}