update syntax plans

src/ruby/query.rb

@@ -0,0 +1,40 @@
+class Query
+  def initialize(type, value, capturing)
+    @type = type
+    @value = value
+    @query_l = nil
+    @query_r = nil
+    @capturing = capturing
+  end
+
+  def &(other)
+    @query_l = self
+    @query_r = other
+    self.type = :and
+    self
+  end
+
+  def |(other)
+    @query_l = self
+    @query_r = other
+    self.type = :or
+    self
+  end
+end
+
+def tag(name, capturing = false)
+  return Query.new(:tag, name, capturing)
+end
+
+def component(name, capturing = false)
+  return Query.new(:component, name, capturing)
+end
+
+def name(name, capturing = false)
+  return Query.new(:name, name, capturing)
+end
+
+def anti(query)
+  query.type = :"not_#{query.type}"
+  query
+end