Code generation for extensions api

tools/json_schema_compiler/util.h

+// Copyright (c) 2012 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.
+
+#ifndef TOOLS_JSON_SCHEMA_COMPILER_UTIL_H__
+#define TOOLS_JSON_SCHEMA_COMPILER_UTIL_H__
+#pragma once
+
+#include <string>
+#include <vector>
+
+#include "base/memory/scoped_ptr.h"
+
+namespace base {
+class DictionaryValue;
+}
+
+namespace json_schema_compiler {
+namespace util {
+
+// Creates a new vector containing the strings |from|.|name| at |out|. Returns
+// false if there is no list at the specified key or if the list has anything
+// other than strings.
+bool GetStrings(
+    const base::DictionaryValue& from,
+    const std::string& name,
+    std::vector<std::string>* out);
+
+// Creates a new vector containing the strings |from|.|name| at |out|. Returns
+// true on success or if there is nothing at the specified key. Returns false
+// if anything other than a list of strings is at the specified key.
+bool GetOptionalStrings(
+    const base::DictionaryValue& from,
+    const std::string& name,
+    scoped_ptr<std::vector<std::string> >* out);
+
+// Puts the each string in |from| into a new ListValue at |out|.|name|.
+void SetStrings(
+    const std::vector<std::string>& from,
+    const std::string& name,
+    base::DictionaryValue* out);
+
+// If from is non-NULL, puts each string in |from| into a new ListValue at
+// |out|.|name|.
+void SetOptionalStrings(
+    const scoped_ptr<std::vector<std::string> >& from,
+    const std::string& name,
+    base::DictionaryValue* out);
+
+}  // namespace api_util
+}  // namespace extensions
+
+#endif // TOOLS_JSON_SCHEMA_COMPILER_UTIL_H__