Generate Mojom Types in Dart (Take 2)

mojo/public/tools/bindings/pylib/mojom/generate/module.py

 # Copyright 2013 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 # This module's classes provide an interface to mojo modules. Modules are
 # collections of interfaces and structs to be used by mojo ipc clients and
 # servers.
 #
 # A simple interface would be created this way:
 # module = mojom.generate.module.Module('Foo')
@@ skipping 442 matching lines @@
   def AddStruct(self, name, attributes=None):
     struct = Struct(name, self, attributes)
     self.structs.append(struct)
     return struct
 
   def AddUnion(self, name, attributes=None):
     union = Union(name, self, attributes)
     self.unions.append(union)
     return union
 
+def GetMojomTypeName(kind):
+  """Get the mojom type's name from its kind."""
+  # Note: InterfaceRequest's should use the Interface inside them.
+  if IsInterfaceRequestKind(kind):
+    return kind.kind.name
+  elif hasattr(kind, 'name'):
+    return kind.name
+  else:
+    # These kinds (e.g., simple kinds, maps, and arrays) lack names.
+    raise Exception('Unexpected kind: %s' % kind)
+
+def GetPackageName(kind):
+  """Get the package name from the given kind's module."""
+  return kind.module.name.split('.')[0]
+
+def GetMojomTypeIdentifier(kind):
+  """Get the mojom type's unique identifier from the kind's package and name."""
+  # Note: InterfaceRequest's should use the Interface inside them.
+  if hasattr(kind, 'module'):
+    package = GetPackageName(kind)
+  elif IsInterfaceRequestKind(kind):
+    package = GetPackageName(kind.kind)
+  else:
+    # These kinds (e.g., simple kinds and fields) lack identifiers.
+    raise Exception('Unexpected kind: %s' % kind)
+  return "%s_%s__" % (package, GetMojomTypeName(kind))
+
+
+# Returns a string of the form package.path.TypeName - the full identifier
+# for an element.
+def GetMojomTypeFullIdentifier(kind, exported=True):
+  """Get the Full Identifier for a Mojom Type. Format: package.path.TypeName"""
+  return '%s.%s' % (kind.module.namespace, GetMojomTypeName(kind))
+
 
 def IsBoolKind(kind):
   return kind.spec == BOOL.spec
 
 
 def IsFloatKind(kind):
   return kind.spec == FLOAT.spec
 
 
+def IsDoubleKind(kind):
+  return kind.spec == DOUBLE.spec
+
+
 def IsIntegralKind(kind):
   return (kind.spec == BOOL.spec or
           kind.spec == INT8.spec or
           kind.spec == INT16.spec or
           kind.spec == INT32.spec or
           kind.spec == INT64.spec or
           kind.spec == UINT8.spec or
           kind.spec == UINT16.spec or
           kind.spec == UINT32.spec or
           kind.spec == UINT64.spec)
 
+def IsNumericalKind(kind):
+  return (IsBoolKind(kind) or
+          IsFloatKind(kind) or
+          IsDoubleKind(kind) or
+          IsIntegralKind(kind))
 
 def IsStringKind(kind):
   return kind.spec == STRING.spec or kind.spec == NULLABLE_STRING.spec
 
 
 def IsGenericHandleKind(kind):
   return kind.spec == HANDLE.spec or kind.spec == NULLABLE_HANDLE.spec
 
 
 def IsDataPipeConsumerKind(kind):
@@ skipping 95 matching lines @@
     return False
 
   return not ContainsHandles(kind, set())
 
 
 def HasCallbacks(interface):
   for method in interface.methods:
     if method.response_parameters != None:
       return True
   return False