mirror of
https://github.com/wader/fq.git
synced 2024-12-24 22:05:31 +03:00
35 lines
529 B
Go
35 lines
529 B
Go
package pos
|
|
|
|
import (
|
|
"fmt"
|
|
"strings"
|
|
)
|
|
|
|
func offsetToLineColumn(s string, offset int) (int, int) {
|
|
co := 0
|
|
line := 1
|
|
for {
|
|
no := strings.Index(s[co:], "\n")
|
|
if no == -1 || co+no >= offset {
|
|
return line, offset - co
|
|
}
|
|
co += no + 1
|
|
line++
|
|
}
|
|
}
|
|
|
|
type Pos struct {
|
|
S string
|
|
Line int
|
|
Column int
|
|
}
|
|
|
|
func (p Pos) String() string {
|
|
return fmt.Sprintf("%d:%d", p.Line, p.Column)
|
|
}
|
|
|
|
func NewFromOffset(s string, offset int) Pos {
|
|
l, c := offsetToLineColumn(s, offset)
|
|
return Pos{S: s, Line: l, Column: c}
|
|
}
|