-
Notifications
You must be signed in to change notification settings - Fork 0
/
replace-makers.go
47 lines (40 loc) · 1.24 KB
/
replace-makers.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
// Copyright (c) 2024 The Go-Curses 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 replace
import (
"regexp"
"strings"
)
// MakeRegexp constructs a new *regexp.Regexp instance, prefixing the search
// pattern with `(?msi)` depending on the boolean arguments given
func MakeRegexp(search string, multiLine, dotMatchNl, ignoreCase bool) (rx *regexp.Regexp, err error) {
var rxFlags []string
if multiLine {
rxFlags = append(rxFlags, "m")
}
if dotMatchNl {
rxFlags = append(rxFlags, "s")
}
if ignoreCase {
rxFlags = append(rxFlags, "i")
}
var pattern string
if len(rxFlags) > 0 {
pattern = "(?" + strings.Join(rxFlags, "") + ")" + search
} else {
pattern = search
}
rx, err = regexp.Compile(pattern)
return
}