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Contents
class Card
module Query
class Value
class << self
def match_prefices
@match_prefices ||= %w[= ~]
end
def match_term_and_prefix_re
@match_term_and_prefix_re ||=
/^(?<prefix>[#{Regexp.escape match_prefices.join}]*)\s*(?<term>.*)$/
end
end
# handling for match operator
module MatchValue
def match_sql field
exact_name_match(field) ||
"#{match_field field} #{connection.match match_value}"
end
def exact_name_match field
return false unless match_prefix == "=" && field.to_sym == :name
"#{field_sql field} = #{quote match_term.to_name.key}"
end
def match_field field
fld = field.to_sym == :name ? "name" : standardize_field(field)
"#{@query.table_alias}.#{fld}"
end
def match_value
escape_regexp_characters unless match_prefix == "~~"
quote match_term
end
def match_term
@match_term || (parse_match_term_and_prefix && @match_term)
end
def match_prefix
@match_prefix || (parse_match_term_and_prefix && @match_prefix)
end
# 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.
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
def escape_regexp_characters
match_term.gsub!(/(\W)/, '\\\\\1')
end
end
end
end
end
Version data entries
24 entries across 24 versions & 1 rubygems