forked from parse-community/parse-cli
/
utils.go
125 lines (107 loc) · 2.33 KB
/
utils.go
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
package main
import (
"errors"
"fmt"
"net/http"
"net/url"
"regexp"
"strconv"
"strings"
"github.com/facebookgo/stackerr"
)
var numbers = regexp.MustCompile("[0-9]+")
func numericLessThan(a, b string) bool {
aLen, bLen := len(a), len(b)
minLen := aLen
if bLen < minLen {
minLen = bLen
}
if minLen == 0 {
if aLen == 0 {
return bLen != 0
}
return false
}
i := 0
for ; i < minLen && a[i] == b[i]; i++ {
}
if i == minLen {
if aLen == bLen {
return false
}
if aLen == minLen {
return true
}
return false
}
a, b = a[i:], b[i:]
aNos, bNos := numbers.FindAllStringIndex(a, 1), numbers.FindAllStringIndex(b, 1)
if len(aNos) == 1 && aNos[0][0] == 0 &&
len(bNos) == 1 && bNos[0][0] == 0 {
aNum, err := strconv.Atoi(a[:aNos[0][1]])
if err != nil {
return a < b
}
bNum, err := strconv.Atoi(b[:bNos[0][1]])
if err != nil {
return a < b
}
if aNum != bNum {
return aNum < bNum
}
}
return a < b
}
type naturalStrings []string
func (v naturalStrings) Len() int {
return len(v)
}
func (v naturalStrings) Less(i, j int) bool {
return !numericLessThan(v[i], v[j]) // desc order
}
func (v naturalStrings) Swap(i, j int) {
v[i], v[j] = v[j], v[i]
}
func getConfirmation(message string, e *env) bool {
fmt.Fprintf(e.Out, message)
var confirm string
fmt.Fscanf(e.In, "%s\n", &confirm)
lower := strings.ToLower(confirm)
return lower != "" && strings.HasPrefix(lower, "y")
}
func validateURL(urlStr string) error {
netURL, err := url.Parse(urlStr)
if err != nil {
return stackerr.Wrap(err)
}
if netURL.Scheme != "https" {
return errors.New("Please enter a valid https url")
}
return nil
}
func getHostFromURL(urlStr string) (string, error) {
netURL, err := url.Parse(urlStr)
if err != nil {
return "", stackerr.Wrap(err)
}
server := regexp.MustCompile(`(.*):\d+$`).ReplaceAllString(netURL.Host, "$1")
if server == "" {
return "", stackerr.Newf("%s is not a valid url", urlStr)
}
return server, nil
}
func checkIfSupported(e *env, version string) (string, error) {
v := make(url.Values)
v.Set("version", version)
req := &http.Request{
Method: "GET",
URL: &url.URL{Path: "supported", RawQuery: v.Encode()},
}
var res struct {
Warning string `json:"warning"`
}
if _, err := e.Client.Do(req, nil, &res); err != nil {
return "", stackerr.Wrap(err)
}
return res.Warning, nil
}