Psych::Parser

        # Psych::Parser < Object

(from ruby core)
---
YAML event parser class.  This class parses a YAML document and calls
events on the handler that is passed to the constructor.  The events can
be used for things such as constructing a YAML AST or deserializing YAML
documents.  It can even be fed back to Psych::Emitter to emit the same
document that was parsed.

See Psych::Handler for documentation on the events that Psych::Parser
emits.

Here is an example that prints out ever scalar found in a YAML document:

    # Handler for detecting scalar values
    class ScalarHandler < Psych::Handler
      def scalar value, anchor, tag, plain, quoted, style
        puts value
      end
    end

    parser = Psych::Parser.new(ScalarHandler.new)
    parser.parse(yaml_document)

Here is an example that feeds the parser back in to Psych::Emitter.  The
YAML document is read from STDIN and written back out to STDERR:

    parser = Psych::Parser.new(Psych::Emitter.new($stderr))
    parser.parse($stdin)

Psych uses Psych::Parser in combination with Psych::TreeBuilder to
construct an AST of the parsed YAML document.

---
# Constants:

ANY
:   Let the parser choose the encoding

UTF16BE
:   UTF-16-BE Encoding with BOM

UTF16LE
:   UTF-16-LE Encoding with BOM

UTF8
:   UTF-8 Encoding



# Class methods:

    new

# Instance methods:

    external_encoding
    handler
    mark
    parse

# Attributes:

    attr_accessor handler
    attr_writer external_encoding