Repository navigation
Expand file tree
/
Copy pathutils.go
More file actions
154 lines (136 loc) · 3.1 KB
/
Copy pathutils.go
File metadata and controls
154 lines (136 loc) · 3.1 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
// 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"
"net/http"
"os"
"path"
"reflect"
"runtime"
"strings"
)
const BindKey = "_gin-gonic/gin/bindkey"
func Bind(val interface{}) HandlerFunc {
value := reflect.ValueOf(val)
if value.Kind() == reflect.Ptr {
panic(`Bind struct can not be a pointer. Example:
Use: gin.Bind(Struct{}) instead of gin.Bind(&Struct{})
`)
}
typ := value.Type()
return func(c *Context) {
obj := reflect.New(typ).Interface()
if c.Bind(obj) == nil {
c.Set(BindKey, obj)
}
}
}
func WrapF(f http.HandlerFunc) HandlerFunc {
return func(c *Context) {
f(c.Writer, c.Request)
}
}
func WrapH(h http.Handler) HandlerFunc {
return func(c *Context) {
h.ServeHTTP(c.Writer, c.Request)
}
}
type H map[string]interface{}
// MarshalXML 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 assert1(guard bool, text string) {
if !guard {
panic(text)
}
}
func filterFlags(content string) string {
for i, char := range content {
if char == ' '
72DD
; || char == ';' {
return content[:i]
}
}
return content
}
func chooseData(custom, wildcard interface{}) interface{} {
if custom == nil {
if wildcard == nil {
panic("negotiation config is invalid")
}
return wildcard
}
return custom
}
func parseAccept(acceptHeader string) []string {
parts := strings.Split(acceptHeader, ",")
out := make([]string, 0, len(parts))
for _, part := range parts {
index := strings.IndexByte(part, ';')
if index >= 0 {
part = part[0:index]
}
part = strings.TrimSpace(part)
if len(part) > 0 {
out = append(out, part)
}
}
return out
}
func lastChar(str string) uint8 {
size := len(str)
if size == 0 {
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()
}
func joinPaths(absolutePath, relativePath string) string {
if len(relativePath) == 0 {
return absolutePath
}
finalPath := path.Join(absolutePath, relativePath)
appendSlash := lastChar(relativePath) == '/' && lastChar(finalPath) != '/'
if appendSlash {
return finalPath + "/"
}
return finalPath
}
func resolveAddress(addr []string) string {
switch len(addr) {
case 0:
if port := os.Getenv("PORT"); len(port) > 0 {
debugPrint("Environment variable PORT=\"%s\"", port)
return ":" + port
}
debugPrint("Environment variable PORT is undefined. Using port :8080 by default")
return ":8080"
case 1:
return addr[0]
default:
panic("too much parameters")
}
}