Contents

#
#--
# Ronin SQL - A Ronin library providing support for SQL related security
# tasks.
#
# Copyright (c) 2007-2009 Hal Brodigan (postmodern.mod3 at gmail.com)
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
#++
#

require 'ronin/code/sql/expr'

module Ronin
  module Code
    module SQL
      class Like < Expr

        # Operator
        attr_reader :op

        # Left-hand side
        attr_reader :left

        # Right-hand side
        attr_reader :right

        def initialize(op,left,right,escape=nil)
          @op = op
          @left = left
          @right = right
          @escape = escape
          @negated = false
        end

        def escape(str)
          @escape = str
        end

        def not!
          @negated = true
        end

        def emit
          tokens = emit_value(@left)

          tokens += emit_token('NOT') if @negated

          tokens += emit_token(@op)
          tokens += emit_value(@right)

          if @escape
            tokens += emit_token('ESCAPE')
            tokens << @escape.to_s[0..0]
          end

          return tokens
        end

      end
    end
  end
end

Version data entries

4 entries across 4 versions & 1 rubygems

Version	Path
ronin-sql-0.2.3	lib/ronin/code/sql/like.rb
ronin-sql-0.2.2	lib/ronin/code/sql/like.rb
ronin-sql-0.2.1	lib/ronin/code/sql/like.rb
ronin-sql-0.2.0	lib/ronin/code/sql/like.rb