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matterbridge/vendor/github.com/d5/tengo/objects/bytes_iterator.go

58 lines
1.3 KiB
Go

package objects
import "github.com/d5/tengo/compiler/token"
// BytesIterator represents an iterator for a string.
type BytesIterator struct {
v []byte
i int
l int
}
// TypeName returns the name of the type.
func (i *BytesIterator) TypeName() string {
return "bytes-iterator"
}
func (i *BytesIterator) String() string {
return "<bytes-iterator>"
}
// BinaryOp returns another object that is the result of
// a given binary operator and a right-hand side object.
func (i *BytesIterator) BinaryOp(op token.Token, rhs Object) (Object, error) {
return nil, ErrInvalidOperator
}
// IsFalsy returns true if the value of the type is falsy.
func (i *BytesIterator) IsFalsy() bool {
return true
}
// Equals returns true if the value of the type
// is equal to the value of another object.
func (i *BytesIterator) Equals(Object) bool {
return false
}
// Copy returns a copy of the type.
func (i *BytesIterator) Copy() Object {
return &BytesIterator{v: i.v, i: i.i, l: i.l}
}
// Next returns true if there are more elements to iterate.
func (i *BytesIterator) Next() bool {
i.i++
return i.i <= i.l
}
// Key returns the key or index value of the current element.
func (i *BytesIterator) Key() Object {
return &Int{Value: int64(i.i - 1)}
}
// Value returns the value of the current element.
func (i *BytesIterator) Value() Object {
return &Int{Value: int64(i.v[i.i-1])}
}