-
Notifications
You must be signed in to change notification settings - Fork 136
/
url.go
177 lines (141 loc) · 4.9 KB
/
url.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
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
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
package yttlibrary
import (
"fmt"
"net/url"
"sort"
"github.com/k14s/ytt/pkg/orderedmap"
"github.com/k14s/ytt/pkg/template/core"
"go.starlark.net/starlark"
"go.starlark.net/starlarkstruct"
)
var (
URLAPI = starlark.StringDict{
"url": &starlarkstruct.Module{
Name: "url",
Members: starlark.StringDict{
"path_segment_encode": starlark.NewBuiltin("url.path_segment_encode", core.ErrWrapper(urlModule{}.PathSegmentEncode)),
"path_segment_decode": starlark.NewBuiltin("url.path_segment_decode", core.ErrWrapper(urlModule{}.PathSegmentDecode)),
"query_param_value_encode": starlark.NewBuiltin("url.query_param_value_encode", core.ErrWrapper(urlModule{}.QueryParamValueEncode)),
"query_param_value_decode": starlark.NewBuiltin("url.query_param_value_decode", core.ErrWrapper(urlModule{}.QueryParamValueDecode)),
"query_params_encode": starlark.NewBuiltin("url.query_params_encode", core.ErrWrapper(urlModule{}.QueryParamsEncode)),
"query_params_decode": starlark.NewBuiltin("url.query_params_decode", core.ErrWrapper(urlModule{}.QueryParamsDecode)),
},
},
}
)
type urlModule struct{}
func (b urlModule) PathSegmentEncode(thread *starlark.Thread, f *starlark.Builtin, args starlark.Tuple, kwargs []starlark.Tuple) (starlark.Value, error) {
if args.Len() != 1 {
return starlark.None, fmt.Errorf("expected exactly one argument")
}
val, err := core.NewStarlarkValue(args.Index(0)).AsString()
if err != nil {
return starlark.None, err
}
return starlark.String(url.PathEscape(val)), nil
}
func (b urlModule) PathSegmentDecode(thread *starlark.Thread, f *starlark.Builtin, args starlark.Tuple, kwargs []starlark.Tuple) (starlark.Value, error) {
if args.Len() != 1 {
return starlark.None, fmt.Errorf("expected exactly one argument")
}
val, err := core.NewStarlarkValue(args.Index(0)).AsString()
if err != nil {
return starlark.None, err
}
val, err = url.PathUnescape(val)
if err != nil {
return starlark.None, err
}
return starlark.String(val), nil
}
func (b urlModule) QueryParamValueEncode(thread *starlark.Thread, f *starlark.Builtin, args starlark.Tuple, kwargs []starlark.Tuple) (starlark.Value, error) {
if args.Len() != 1 {
return starlark.None, fmt.Errorf("expected exactly one argument")
}
val, err := core.NewStarlarkValue(args.Index(0)).AsString()
if err != nil {
return starlark.None, err
}
return starlark.String(url.QueryEscape(val)), nil
}
func (b urlModule) QueryParamValueDecode(thread *starlark.Thread, f *starlark.Builtin, args starlark.Tuple, kwargs []starlark.Tuple) (starlark.Value, error) {
if args.Len() != 1 {
return starlark.None, fmt.Errorf("expected exactly one argument")
}
val, err := core.NewStarlarkValue(args.Index(0)).AsString()
if err != nil {
return starlark.None, err
}
val, err = url.QueryUnescape(val)
if err != nil {
return starlark.None, err
}
return starlark.String(val), nil
}
func (b urlModule) QueryParamsEncode(thread *starlark.Thread, f *starlark.Builtin, args starlark.Tuple, kwargs []starlark.Tuple) (starlark.Value, error) {
if args.Len() != 1 {
return starlark.None, fmt.Errorf("expected exactly one argument")
}
val := core.NewStarlarkValue(args.Index(0)).AsInterface()
typedVal, ok := val.(*orderedmap.Map)
if !ok {
return starlark.None, fmt.Errorf("expected argument to be a map, but was %T", val)
}
urlVals := url.Values{}
err := typedVal.IterateErr(func(key, val interface{}) error {
keyStr, ok := key.(string)
if !ok {
return fmt.Errorf("expected map key to be string, but was %T", key)
}
valArray, ok := val.([]interface{})
if !ok {
return fmt.Errorf("expected map value to be array, but was %T", val)
}
if len(valArray) == 0 {
urlVals[keyStr] = []string{}
} else {
for _, valItem := range valArray {
valItemStr, ok := valItem.(string)
if !ok {
return fmt.Errorf("expected array value to be string, but was %T", valItem)
}
urlVals[keyStr] = append(urlVals[keyStr], valItemStr)
}
}
return nil
})
if err != nil {
return starlark.None, err
}
return starlark.String(urlVals.Encode()), nil
}
func (b urlModule) QueryParamsDecode(thread *starlark.Thread, f *starlark.Builtin, args starlark.Tuple, kwargs []starlark.Tuple) (starlark.Value, error) {
if args.Len() != 1 {
return starlark.None, fmt.Errorf("expected exactly one argument")
}
encodedVal, err := core.NewStarlarkValue(args.Index(0)).AsString()
if err != nil {
return starlark.None, err
}
urlVals, err := url.ParseQuery(encodedVal)
if err != nil {
return starlark.None, err
}
result := orderedmap.NewMap()
for _, key := range b.sortedKeys(urlVals) {
val := []interface{}{}
for _, v := range urlVals[key] {
val = append(val, v)
}
result.Set(key, val)
}
return core.NewGoValue(result, false).AsStarlarkValue(), nil
}
func (b urlModule) sortedKeys(vals url.Values) []string {
var result []string
for k, _ := range vals {
result = append(result, k)
}
sort.Strings(result)
return result
}