Class: ChefZero::Solr::Query::Term

Inherits:
RegexpableQuery show all
Defined in:
lib/chef_zero/solr/query/term.rb

Constant Summary

Constants inherited from RegexpableQuery

RegexpableQuery::DEFAULT_FIELD, RegexpableQuery::NON_WORD_CHARACTER, RegexpableQuery::WORD_CHARACTER

Instance Attribute Summary

Attributes inherited from RegexpableQuery

#literal_string, #regexp, #regexp_string

Instance Method Summary collapse

Methods inherited from RegexpableQuery

#matches_doc?, #matches_values?

Constructor Details

#initialize(term) ⇒ Term

Returns a new instance of Term.



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# File 'lib/chef_zero/solr/query/term.rb', line 7

def initialize(term)
  # Get rid of escape characters, turn * and ? into .* and . for regex, and
  # escape everything that needs escaping
  literal_string = ""
  regexp_string = ""
  index = 0
  while index < term.length
    if term[index] == "*"
      regexp_string << "#{WORD_CHARACTER}*"
      literal_string = nil
      index += 1
    elsif term[index] == "?"
      regexp_string << WORD_CHARACTER
      literal_string = nil
      index += 1
    elsif term[index] == "~"
      raise "~ unsupported"
    else
      if term[index] == '\\'
        index += 1
        if index >= term.length
          raise "Backslash at end of string '#{term}'"
        end
      end
      literal_string << term[index] if literal_string
      regexp_string << Regexp.escape(term[index])
      index += 1
    end
  end
  super(regexp_string, literal_string)
end

Instance Method Details

#to_s ⇒ Object 



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# File 'lib/chef_zero/solr/query/term.rb', line 39

def to_s
  "Term(#{regexp_string})"
end