class Canql::Parser

This class simplifies CANQL queries by wrapping them in a little syntactic sugar.

Attributes

parser[R]

Public Class Methods

new(query) click to toggle source
# File lib/canql/parser.rb, line 11
def initialize(query)
  raise ArgumentError unless query.is_a?(String)

  @parser = CanqlParser.new
  @result = @parser.parse(query.downcase)

  return if valid?
  # FIXME: should log "Parser failed parsing \"#{query}\": #{@parser.failure_reason} " \
  #                   "(line: #{@parser.failure_line}, column: #{@parser.failure_column})"
end

Public Instance Methods

failure_column() click to toggle source
# File lib/canql/parser.rb, line 34
def failure_column
  valid? ? nil : @parser.failure_column
end
failure_line() click to toggle source
# File lib/canql/parser.rb, line 30
def failure_line
  valid? ? nil : @parser.failure_line
end
failure_reason() click to toggle source
# File lib/canql/parser.rb, line 26
def failure_reason
  valid? ? nil : @parser.failure_reason
end
meta_data() click to toggle source
# File lib/canql/parser.rb, line 38
def meta_data
  valid? ? @result.meta_data : {}
end
valid?() click to toggle source
# File lib/canql/parser.rb, line 22
def valid?
  !@result.nil?
end