scanner

Documentation

Index

• type Scanner
  • func NewScanner() *Scanner
  • func (s *Scanner) Reset()
  • func (s *Scanner) Scan(r io.Reader) func(yield func(op string, args []pdf.Object) error) error

Types

type Scanner

type Scanner struct {
	// contains filtered or unexported fields
}

A Scanner breaks a content stream into tokens.

Parse errors are ignored as much as possible.

func NewScanner

func NewScanner() *Scanner

NewScanner returns a new scanner that reads from r.

func (*Scanner) Reset

func (s *Scanner) Reset()

func (*Scanner) Scan

func (s *Scanner) Scan(r io.Reader) func(yield func(op string, args []pdf.Object) error) error

Scan return an iterator over all PDF objects in the content stream.

The []pdf.Object slice passed to the yield function is owned by the scanner and is only valid until the yield returns.