// Position support for go-toml

package toml

import (

	"fmt"

)

// Position of a document element within a TOML document.

//

// Line and Col are both 1-indexed positions for the element's line number and

// column number, respectively.  Values of zero or less will cause Invalid(),

// to return true.

type Position struct {

	Line int // line within the document

	Col  int // column within the line

}

// String representation of the position.

// Displays 1-indexed line and column numbers.

func (p Position) String() string {

	return fmt.Sprintf("(%d, %d)", p.Line, p.Col)

}

// Invalid returns whether or not the position is valid (i.e. with negative or

// null values)

func (p Position) Invalid() bool {

	return p.Line <= 0 || p.Col <= 0

}