Supporting more APIs with json_schema_compiler

tools/json_schema_compiler/util_cc_helper.py

Index: tools/json_schema_compiler/util_cc_helper.py
diff --git a/tools/json_schema_compiler/util_cc_helper.py b/tools/json_schema_compiler/util_cc_helper.py
new file mode 100644
index 0000000000000000000000000000000000000000..6b57ca7b76a0e9c499a1ab54a4714ee7d299ba22
--- /dev/null
+++ b/tools/json_schema_compiler/util_cc_helper.py
@@ -0,0 +1,71 @@
+from model import PropertyType
+import code
+
+API_UTIL_NAMESPACE = 'json_schema_compiler::util'
+
+class UtilCCHelper(object):
+
+  def __init__(self, type_manager):
+    self.type_manager = type_manager
+
+  def GetArray(self, array_prop, src, name, dst):
+    """src: DictionaryValue*
+    dst: Property variable name 
+    """
+    prop = array_prop.item_type
+    sub = {
+        'namespace': API_UTIL_NAMESPACE,
+        'name': name,
+        'src': src,
+        'dst': dst,
+    }
+
+    sub['type'] = self.type_manager.GetType(prop)
+    if array_prop.optional:
+      val = '%(namespace)s::GetOptionalArrayFromDictionary(*%(src)s, "%(name)s", &%(dst)s)'
+    else:
+      val = '%(namespace)s::GetArrayFromDictionary(*%(src)s, "%(name)s", &%(dst)s)'
+
+    return val % sub
+
+  def GetArrayFromList(self, array_prop, src, dst):
+    """src: ListValue*
+    dst: Property 
+    """
+    prop = array_prop.item_type
+    sub = {
+        'namespace': API_UTIL_NAMESPACE,
+        'src': src,
+        'dst': dst,
+        'type': self.type_manager.GetType(prop),
+    }
+
+    if array_prop.optional:
+      val = '%(namespace)s::GetOptionalArrayFromList(*%(src)s, &%(dst)s)'
+    else:
+      val = '%(namespace)s::GetArrayFromList(*%(src)s, &%(dst)s)'
+
+    return val % sub
+
+  def SetArray(self, array_prop, src, name, dst):
+    """src: Property variable name
+    dst: DictionaryValue*
+    """
+    prop = array_prop.item_type
+    sub = {
+        'namespace': API_UTIL_NAMESPACE,
+        'src': src,
+        'name': name,
+        'dst': dst,
+        'type': self.type_manager.GetType(prop),
+    }
+
+    if array_prop.optional:
+      val = '%(namespace)s::SetOptionalArrayFromDictionary(%(src)s, "%(name)s", %(dst)s)'
+    else:
+      val = '%(namespace)s::SetArrayFromDictionary(%(src)s, "%(name)s", %(dst)s)'
+
+    return val % sub
+
+  def GetIncludePath(self):
+    return '#include "tools/json_schema_compiler/util.h"'