forked from bufbuild/buf
-
Notifications
You must be signed in to change notification settings - Fork 0
/
message_range.go
94 lines (82 loc) · 1.95 KB
/
message_range.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
// Copyright 2020-2023 Buf Technologies, Inc.
//
// 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 protosource
const (
messageRangeInclusiveMax = 536870911
)
type messageRange struct {
locationDescriptor
message Message
start int
end int
}
func newMessageRange(
locationDescriptor locationDescriptor,
message Message,
start int,
end int,
) *messageRange {
return &messageRange{
locationDescriptor: locationDescriptor,
message: message,
start: start,
// end is exclusive for messages
end: end - 1,
}
}
func newFreeMessageRange(message Message, start int, endInclusive int) MessageRange {
return newMessageRange(
newLocationDescriptor(
newDescriptor(
message.File(),
nil,
),
nil,
),
message,
start,
// we expect exclusive for newMessageRange
endInclusive+1,
)
}
func (r *messageRange) Message() Message {
return r.message
}
func (r *messageRange) Start() int {
return r.start
}
func (r *messageRange) End() int {
return r.end
}
func (r *messageRange) Max() bool {
return r.end == messageRangeInclusiveMax
}
type extensionRange struct {
*messageRange
optionExtensionDescriptor
}
func newExtensionRange(
locationDescriptor locationDescriptor,
message Message,
start int,
end int,
opts optionExtensionDescriptor,
) *extensionRange {
return &extensionRange{
messageRange: newMessageRange(
locationDescriptor, message, start, end,
),
optionExtensionDescriptor: opts,
}
}