Class: CSKit::Parsers::Parser

Inherits:

Object

• Object
• CSKit::Parsers::Parser

Defined in:

lib/cskit/parsers/parser.rb

Direct Known Subclasses

Bible::BibleParser, ScienceHealth::ScienceHealthParser

Instance Method Summary

• #entry_point ⇒ Object
• #initialize(citation_text) ⇒ Parser constructor

  A new instance of Parser.

• #parse ⇒ Object

Constructor Details

#initialize(citation_text) ⇒ Parser

Returns a new instance of Parser.

# File 'lib/cskit/parsers/parser.rb', line 8

def initialize(citation_text)
  @citation_text = citation_text
  @token_stream = get_token_stream
  @current = token_stream.next
end

Instance Method Details

#entry_point ⇒ Object

Raises:

• (NotImplementedError)

# File 'lib/cskit/parsers/parser.rb', line 25

def entry_point
  raise NotImplementedError,
    "`#{__method__} must be defined in derived classes"
end

#parse ⇒ Object

# File 'lib/cskit/parsers/parser.rb', line 14

def parse
  result = entry_point

  unless eos?
    raise ParserError, "Expected end of input but more input is available "\
      "at position #{current.position}"
  end

  result
end