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35 lines
529 B
Go
35 lines
529 B
Go
package pos
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import (
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"fmt"
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"strings"
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)
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func offsetToLineColumn(s string, offset int) (int, int) {
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co := 0
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line := 1
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for {
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no := strings.Index(s[co:], "\n")
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if no == -1 || co+no >= offset {
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return line, offset - co
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}
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co += no + 1
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line++
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}
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}
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type Pos struct {
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S string
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Line int
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Column int
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}
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func (p Pos) String() string {
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return fmt.Sprintf("%d:%d", p.Line, p.Column)
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}
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func NewFromOffset(s string, offset int) Pos {
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l, c := offsetToLineColumn(s, offset)
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return Pos{S: s, Line: l, Column: c}
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}
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