Class: TextQuery

Inherits:

Object

• Object
• TextQuery

show all

Defined in:

lib/textquery/textquery.rb

Instance Method Summary (collapse)

• - (Object) accept(options = {}, &block)
• - (Object) eval(input, options = {}) (also: #match?)
• - (TextQuery) initialize(query = '',, options = {}) constructor

  A new instance of TextQuery.

• - (Object) parse(query)
• - (Object) terminal_failures

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# File 'lib/textquery/textquery.rb', line 66

def initialize(query = '', options = {})
  @parser = TextQueryGrammarParser.new
  @query  = nil

  update_options(options)
  parse(query) if not query.empty?
end

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# File 'lib/textquery/textquery.rb', line 94

def accept(options = {}, &block)
  update_options(options) if not options.empty?

  if @query
    @query.accept(&block)
  else
    raise TextQueryError, 'no query specified'
  end
end

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# File 'lib/textquery/textquery.rb', line 83

def eval(input, options = {})
  update_options(options) if not options.empty?

  if @query
    @query.eval(input, @options)
  else
    raise TextQueryError, 'no query specified'
  end
end

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# File 'lib/textquery/textquery.rb', line 74

def parse(query)
  query = query.mb_chars if RUBY_VERSION < '1.9'
  @query = @parser.parse(query)
  if not @query
    raise TextQueryError, "Could not parse query string '#{query}': #{@parser.terminal_failures.inspect}"
  end
  self
end

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# File 'lib/textquery/textquery.rb', line 104

def terminal_failures
  @parser.terminal_failures
end