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package ast
import (
"strconv"
"strings"
"time"
)
type Position struct {
Begin int
End int
}
type Value interface {
Pos() int
End() int
Source() string
}
type String struct {
Position Position
Value string
Data []rune
}
func (s *String) Pos() int {
return s.Position.Begin
}
func (s *String) End() int {
return s.Position.End
}
func (s *String) Source() string {
return string(s.Data)
}
type Integer struct {
Position Position
Value string
Data []rune
}
func (i *Integer) Pos() int {
return i.Position.Begin
}
func (i *Integer) End() int {
return i.Position.End
}
func (i *Integer) Source() string {
return string(i.Data)
}
func (i *Integer) Int() (int64, error) {
return strconv.ParseInt(i.Value, 10, 64)
}
type Float struct {
Position Position
Value string
Data []rune
}
func (f *Float) Pos() int {
return f.Position.Begin
}
func (f *Float) End() int {
return f.Position.End
}
func (f *Float) Source() string {
return string(f.Data)
}
func (f *Float) Float() (float64, error) {
return strconv.ParseFloat(f.Value, 64)
}
type Boolean struct {
Position Position
Value string
Data []rune
}
func (b *Boolean) Pos() int {
return b.Position.Begin
}
func (b *Boolean) End() int {
return b.Position.End
}
func (b *Boolean) Source() string {
return string(b.Data)
}
func (b *Boolean) Boolean() (bool, error) {
return strconv.ParseBool(b.Value)
}
type Datetime struct {
Position Position
Value string
Data []rune
}
func (d *Datetime) Pos() int {
return d.Position.Begin
}
func (d *Datetime) End() int {
return d.Position.End
}
func (d *Datetime) Source() string {
return string(d.Data)
}
func (d *Datetime) Time() (time.Time, error) {
switch {
case !strings.Contains(d.Value, ":"):
return time.Parse("2006-01-02", d.Value)
case !strings.Contains(d.Value, "-"):
return time.Parse("15:04:05.999999999", d.Value)
default:
return time.Parse(time.RFC3339Nano, d.Value)
}
}
type Array struct {
Position Position
Value []Value
Data []rune
}
func (a *Array) Pos() int {
return a.Position.Begin
}
func (a *Array) End() int {
return a.Position.End
}
func (a *Array) Source() string {
return string(a.Data)
}
type TableType uint8
const (
TableTypeNormal TableType = iota
TableTypeArray
)
var tableTypes = [...]string{
"normal",
"array",
}
func (t TableType) String() string {
return tableTypes[t]
}
type Table struct {
Position Position
Line int
Name string
Fields map[string]interface{}
Type TableType
Data []rune
}
func (t *Table) Pos() int {
return t.Position.Begin
}
func (t *Table) End() int {
return t.Position.End
}
func (t *Table) Source() string {
return string(t.Data)
}
type KeyValue struct {
Key string
Value Value
Line int
}
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