Support array types for function and callback arguments in IDL APIs.

tools/json_schema_compiler/idl_schema.py

Index: tools/json_schema_compiler/idl_schema.py
diff --git a/tools/json_schema_compiler/idl_schema.py b/tools/json_schema_compiler/idl_schema.py
index 9779e272e263180a22dc0b707e08dade001e6296..1d3c83ae3b9652767c0f73ec4e56601d8e2b933c 100644
--- a/tools/json_schema_compiler/idl_schema.py
+++ b/tools/json_schema_compiler/idl_schema.py
@@ -108,10 +108,20 @@ class Typeref(object):
 
   def process(self, refs):
     properties = self.additional_properties
+    result = properties
 
     if self.parent.GetProperty('OPTIONAL', False):
       properties['optional'] = True
 
+    # The IDL parser denotes array types by adding a child 'Array' node onto
+    # the Param node in the Callspec.
+    for sibling in self.parent.GetChildren():
+      if sibling.cls == 'Array' and sibling.GetName() == self.parent.GetName():
+        properties['type'] = 'array'
+        properties['items'] = {}
+        properties = properties['items']
+        break
+
     if self.typeref == 'DOMString':
       properties['type'] = 'string'
     elif self.typeref == 'boolean':
@@ -132,10 +142,11 @@ class Typeref(object):
       properties['type'] = 'function'
     else:
       try:
-        properties = refs[self.typeref]
+        result = refs[self.typeref]

[Matt Perry, 2012/04/12 18:56:53]

What is this code path used for? Doesn't this miss the array case? It seems like
for an array, we should do properties['items'] = refs[self.typeref]

       except KeyError, e:
         properties['$ref'] = self.typeref
-    return properties
+
+    return result
 
 class Namespace(object):
   '''