Froze rails gems

[depot.git] / vendor / rails / activerecord / lib / active_record / connection_adapters / abstract / quoting.rb

diff --git a/vendor/rails/activerecord/lib/active_record/connection_adapters/abstract/quoting.rb b/vendor/rails/activerecord/lib/active_record/connection_adapters/abstract/quoting.rb
new file mode 100644 (file)
index 0000000..3a7bf35
--- /dev/null
+++ b/vendor/rails/activerecord/lib/active_record/connection_adapters/abstract/quoting.rb
@@ -0,0 +1,69 @@
+module ActiveRecord
+  module ConnectionAdapters # :nodoc:
+    module Quoting
+      # Quotes the column value to help prevent
+      # {SQL injection attacks}[http://en.wikipedia.org/wiki/SQL_injection].
+      def quote(value, column = nil)
+        # records are quoted as their primary key
+        return value.quoted_id if value.respond_to?(:quoted_id)
+
+        case value
+          when String, ActiveSupport::Multibyte::Chars
+            value = value.to_s
+            if column && column.type == :binary && column.class.respond_to?(:string_to_binary)
+              "#{quoted_string_prefix}'#{quote_string(column.class.string_to_binary(value))}'" # ' (for ruby-mode)
+            elsif column && [:integer, :float].include?(column.type)
+              value = column.type == :integer ? value.to_i : value.to_f
+              value.to_s
+            else
+              "#{quoted_string_prefix}'#{quote_string(value)}'" # ' (for ruby-mode)
+            end
+          when NilClass                 then "NULL"
+          when TrueClass                then (column && column.type == :integer ? '1' : quoted_true)
+          when FalseClass               then (column && column.type == :integer ? '0' : quoted_false)
+          when Float, Fixnum, Bignum    then value.to_s
+          # BigDecimals need to be output in a non-normalized form and quoted.
+          when BigDecimal               then value.to_s('F')
+          else
+            if value.acts_like?(:date) || value.acts_like?(:time)
+              "'#{quoted_date(value)}'"
+            else
+              "#{quoted_string_prefix}'#{quote_string(value.to_yaml)}'"
+            end
+        end
+      end
+
+      # Quotes a string, escaping any ' (single quote) and \ (backslash)
+      # characters.
+      def quote_string(s)
+        s.gsub(/\\/, '\&\&').gsub(/'/, "''") # ' (for ruby-mode)
+      end
+
+      # Quotes the column name. Defaults to no quoting.
+      def quote_column_name(column_name)
+        column_name
+      end
+
+      # Quotes the table name. Defaults to column name quoting.
+      def quote_table_name(table_name)
+        quote_column_name(table_name)
+      end
+
+      def quoted_true
+        "'t'"
+      end
+
+      def quoted_false
+        "'f'"
+      end
+
+      def quoted_date(value)
+        value.to_s(:db)
+      end
+
+      def quoted_string_prefix
+        ''
+      end
+    end
+  end
+end