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+/**
+ * Copyright (c) 2014, Ford Motor Company
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * Neither the name of the Ford Motor Company nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef NAMING_CONVENTION_H_
+#define NAMING_CONVENTION_H_
+
+#include <string>
+#include <vector>
+
+namespace codegen {
+class Interface;
+
+/*
+ * Helper class that constructs word list from a sentence or
+ * single-word identifier written in UPPER_CASE, lower_case,
+ * camelCase or UpperCamelCase and provides conversion between these
+ * identifier naming conventions.
+ */
+class WordList {
+ public:
+  WordList();
+  ~WordList();
+  // Guess identifier naming convention and construct WordList from it
+  static WordList FromUnknown(const std::string& identifier);
+  // Split identifier as UPPER_CASE_ONE, also used to split
+  // lower_case_identifiers
+  static WordList FromUnderscoreSeparated(const std::string& identifier);
+  // Split identifier as camelCase identifier or upperCamelCase
+  static WordList FromCamelCase(const std::string& identifier);
+  // Concatenates |that| word list to this one producing single word list
+  WordList& operator+=(const WordList& that);
+  // Converts word list to one of the supported identifier naming conventions
+  std::string ToUpperCase() const;
+  std::string ToCamelCase() const;
+  std::string ToLowerCase() const;
+  std::string ToUpperCamelCase() const;
+  // Produces lower-case abbreviaton of a given WordList
+  std::string Abbreviate() const;
+
+ private:
+  // Normalizes word list: all words are converted to lower case,
+  // spaces are trimmed
+  void Normalize();
+  std::vector<std::string> words_;
+};
+
+// Capitalizes given string
+std::string Capitalize(const std::string& str);
+
+// Translate interface name to lower case
+std::string LowercaseIntefaceName(const Interface& interface);
+
+std::string UpperCamelCaseInterfaceName(const Interface& interface);
+
+// Produces namespace name for |interface|.
+// Currently it just lower_case_interface_name
+std::string InterfaceNamespaceName(const Interface& interface);
+
+// Produces new name (generally for struct fields) if it
+// conflicts with known keywords
+std::string AvoidKeywords(const std::string& name);
+
+}  // namespace codegen
+
+#endif /* NAMING_CONVENTION_H_ */