1 package match
2
3 import (
4 "fmt"
5 "strings"
6 "unicode/utf8"
7 )
8
9
10 type Text struct {
11 Str string
12 RunesLength int
13 BytesLength int
14 Segments []int
15 }
16
17 func NewText(s string) Text {
18 return Text{
19 Str: s,
20 RunesLength: utf8.RuneCountInString(s),
21 BytesLength: len(s),
22 Segments: []int{len(s)},
23 }
24 }
25
26 func (self Text) Match(s string) bool {
27 return self.Str == s
28 }
29
30 func (self Text) Len() int {
31 return self.RunesLength
32 }
33
34 func (self Text) Index(s string) (int, []int) {
35 index := strings.Index(s, self.Str)
36 if index == -1 {
37 return -1, nil
38 }
39
40 return index, self.Segments
41 }
42
43 func (self Text) String() string {
44 return fmt.Sprintf("<text:`%v`>", self.Str)
45 }
46
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