module Card::Query::Value::MatchValue

handling for match operator

Public Instance Methods

escape_regexp_characters() click to toggle source
# File lib/card/query/value/match_value.rb, line 60
def escape_regexp_characters
  match_term.gsub!(/(\W)/, '\\\\\1')
end
exact_name_match(field) click to toggle source
# File lib/card/query/value/match_value.rb, line 22
def exact_name_match field
  return false unless match_prefix == "=" && field.to_sym == :name

  "#{field_sql field} = #{quote match_term.to_name.key}"
end
match_field(field) click to toggle source
# File lib/card/query/value/match_value.rb, line 28
def match_field field
  fld = field.to_sym == :name ? "name" : standardize_field(field)
  "#{@query.table_alias}.#{fld}"
end
match_prefix() click to toggle source
# File lib/card/query/value/match_value.rb, line 42
def match_prefix
  @match_prefix || (parse_match_term_and_prefix && @match_prefix)
end
match_sql(field) click to toggle source
# File lib/card/query/value/match_value.rb, line 17
def match_sql field
  exact_name_match(field) ||
    "#{match_field field} #{connection.match match_value}"
end
match_term() click to toggle source
# File lib/card/query/value/match_value.rb, line 38
def match_term
  @match_term || (parse_match_term_and_prefix && @match_term)
end
match_value() click to toggle source
# File lib/card/query/value/match_value.rb, line 33
def match_value
  escape_regexp_characters unless match_prefix == "~~"
  quote match_term
end
parse_match_term_and_prefix() click to toggle source

if search val is prefixed with “~~”, it is a MYSQL regexp (and will be passed through)

Otherwise, all non-alphanumeric characters are escaped.

A “~” prefix is ignored.

# File lib/card/query/value/match_value.rb, line 53
def parse_match_term_and_prefix
  raw_term = Array.wrap(@value).join(" ")
  matches = raw_term.match self.class.match_term_and_prefix_re
  @match_prefix = matches[:prefix] || ""
  @match_term = matches[:term] || ""
end