-
Notifications
You must be signed in to change notification settings - Fork 27
/
match.go
145 lines (128 loc) · 4.01 KB
/
match.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
/*
Copyright 2019 The Crossplane Authors.
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 match identifies Go types as common Crossplane resources.
package match
import (
"go/types"
"github.com/crossplaneio/crossplane-tools/internal/comments"
"github.com/crossplaneio/crossplane-tools/internal/fields"
)
// An Object matcher is a function that returns true if the supplied object
// matches.
type Object func(o types.Object) bool
// Managed returns an Object matcher that returns true if the supplied Object is
// a Crossplane managed resource.
func Managed() Object {
return func(o types.Object) bool {
return fields.Has(o,
fields.IsTypeMeta().And(fields.IsEmbedded()),
fields.IsObjectMeta().And(fields.IsEmbedded()),
fields.IsSpec().And(fields.HasFieldThat(
fields.IsResourceSpec().And(fields.IsEmbedded()),
)),
fields.IsStatus().And(fields.HasFieldThat(
fields.IsResourceStatus().And(fields.IsEmbedded()),
)),
)
}
}
// Class returns an Object matcher that returns true if the supplied Object is a
// Crossplane resource class.
func Class() Object {
return func(o types.Object) bool {
return fields.Has(o,
fields.IsTypeMeta().And(fields.IsEmbedded()),
fields.IsObjectMeta().And(fields.IsEmbedded()),
fields.IsSpecTemplate().And(fields.HasFieldThat(
fields.IsClassSpecTemplate().And(fields.IsEmbedded()),
)),
)
}
}
// Claim returns an Object matcher that returns true if the supplied Object is a
// Crossplane resource claim.
func Claim() Object {
return func(o types.Object) bool {
return fields.Has(o,
fields.IsTypeMeta().And(fields.IsEmbedded()),
fields.IsObjectMeta().And(fields.IsEmbedded()),
fields.IsSpec().And(fields.HasFieldThat(
fields.IsResourceClaimSpec().And(fields.IsEmbedded()),
)),
fields.IsResourceClaimStatus(),
)
}
}
// Provider returns an Object matcher that returns true if the supplied Object is a
// Crossplane Provider.
func Provider() Object {
return func(o types.Object) bool {
return fields.Has(o,
fields.IsTypeMeta().And(fields.IsEmbedded()),
fields.IsObjectMeta().And(fields.IsEmbedded()),
fields.IsSpec().And(fields.HasFieldThat(
fields.IsProviderSpec().And(fields.IsEmbedded()),
)),
)
}
}
// HasMarker returns an Object matcher that returns true if the supplied Object
// has a comment marker k with the value v. Comment markers are read from the
// supplied Comments.
func HasMarker(c comments.Comments, k, v string) Object {
return func(o types.Object) bool {
for _, val := range comments.ParseMarkers(c.For(o))[k] {
if val == v {
return true
}
}
for _, val := range comments.ParseMarkers(c.Before(o))[k] {
if val == v {
return true
}
}
return false
}
}
// DoesNotHaveMarker returns and Object matcher that returns true if the
// supplied Object does not have a comment marker k with the value v. Comment
// marker are read from the supplied Comments.
func DoesNotHaveMarker(c comments.Comments, k, v string) Object {
return func(o types.Object) bool {
return !HasMarker(c, k, v)(o)
}
}
// AllOf returns an Object matcher that returns true if all of the supplied
// Object matchers return true.
func AllOf(match ...Object) Object {
return func(o types.Object) bool {
for _, fn := range match {
if !fn(o) {
return false
}
}
return true
}
}
// AnyOf returns an Object matcher that returns true if any of the supplied
// Object matchers return true.
func AnyOf(match ...Object) Object {
return func(o types.Object) bool {
for _, fn := range match {
if fn(o) {
return true
}
}
return false
}
}