Class: Hayfork::QueryParser

Inherits:
Object
  • Object
show all
Defined in:
lib/hayfork/query_parser.rb

Direct Known Subclasses

Query::Parser

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(klass, querystring) ⇒ QueryParser

Returns a new instance of QueryParser.



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# File 'lib/hayfork/query_parser.rb', line 5

def initialize(klass, querystring)
  @klass = klass
  @querystring = querystring
end

Instance Attribute Details

#klass ⇒ Object (readonly)

Returns the value of attribute klass.



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# File 'lib/hayfork/query_parser.rb', line 3

def klass
  @klass
end

#querystring ⇒ Object (readonly)

Returns the value of attribute querystring.



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# File 'lib/hayfork/query_parser.rb', line 3

def querystring
  @querystring
end

Instance Method Details

#parse! ⇒ Object 



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# File 'lib/hayfork/query_parser.rb', line 10

def parse!
  phrases = []
  scanner = StringScanner.new(Hayfork.unaccent(querystring))

  until scanner.eos?
    parse_phrase(scanner.scan(/[^"]+/), phrases)
    break if scanner.eos?

    scanner.getch # "
    parse_exact_phrase(scanner.scan(/[^"]+/), phrases)
    scanner.getch # "
  end

  klass.new(phrases)
end

#parse_exact_phrase(querystring, phrases) ⇒ Object

Raises:

  • (NotImplementedError) 


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# File 'lib/hayfork/query_parser.rb', line 30

def parse_exact_phrase(querystring, phrases)
  raise NotImplementedError
end

#parse_phrase(querystring, phrases) ⇒ Object

Raises:

  • (NotImplementedError) 


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# File 'lib/hayfork/query_parser.rb', line 26

def parse_phrase(querystring, phrases)
  raise NotImplementedError
end