Froze rails gems

[depot.git] / vendor / rails / activerecord / lib / active_record / dynamic_finder_match.rb

diff --git a/vendor/rails/activerecord/lib/active_record/dynamic_finder_match.rb b/vendor/rails/activerecord/lib/active_record/dynamic_finder_match.rb
new file mode 100644 (file)
index 0000000..8f9f05c
--- /dev/null
+++ b/vendor/rails/activerecord/lib/active_record/dynamic_finder_match.rb
@@ -0,0 +1,41 @@
+module ActiveRecord
+  class DynamicFinderMatch
+    def self.match(method)
+      df_match = self.new(method)
+      df_match.finder ? df_match : nil
+    end
+
+    def initialize(method)
+      @finder = :first
+      case method.to_s
+      when /^find_(all_by|last_by|by)_([_a-zA-Z]\w*)$/
+        @finder = :last if $1 == 'last_by'
+        @finder = :all if $1 == 'all_by'
+        names = $2
+      when /^find_by_([_a-zA-Z]\w*)\!$/
+        @bang = true
+        names = $1
+      when /^find_or_(initialize|create)_by_([_a-zA-Z]\w*)$/
+        @instantiator = $1 == 'initialize' ? :new : :create
+        names = $2
+      else
+        @finder = nil
+      end
+      @attribute_names = names && names.split('_and_')
+    end
+
+    attr_reader :finder, :attribute_names, :instantiator
+
+    def finder?
+      !@finder.nil? && @instantiator.nil?
+    end
+
+    def instantiator?
+      @finder == :first && !@instantiator.nil?
+    end
+
+    def bang?
+      @bang
+    end
+  end
+end