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      1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #ifndef CHROME_BROWSER_EXTENSIONS_API_SERIAL_SERIAL_PORT_ENUMERATOR_H_
      6 #define CHROME_BROWSER_EXTENSIONS_API_SERIAL_SERIAL_PORT_ENUMERATOR_H_
      7 
      8 #include <set>
      9 #include <string>
     10 
     11 #include "base/gtest_prod_util.h"
     12 
     13 FORWARD_DECLARE_TEST(SerialPortEnumeratorTest, ValidPortNamePatterns);
     14 FORWARD_DECLARE_TEST(SerialPortEnumeratorTest, InvalidPortNamePatterns);
     15 
     16 namespace extensions {
     17 
     18 class APIResourceEventNotifier;
     19 
     20 // Discovers and enumerates likely serial ports on the current machine.
     21 class SerialPortEnumerator {
     22  public:
     23   typedef std::set<std::string> StringSet;
     24 
     25   // Returns true if the given port name (e.g., "/dev/tty.usbmodemXXX") is in
     26   // the supplied set of names of serial ports that exist on this machine.
     27   static bool DoesPortExist(const StringSet& name_set,
     28                             const std::string& port_name);
     29 
     30   static StringSet GenerateValidSerialPortNames();
     31 
     32  private:
     33   // Returns a StringSet of patterns to be used with MatchPattern.
     34   static StringSet GenerateValidPatterns();
     35 
     36   FRIEND_TEST_ALL_PREFIXES(::SerialPortEnumeratorTest, ValidPortNamePatterns);
     37   FRIEND_TEST_ALL_PREFIXES(::SerialPortEnumeratorTest, InvalidPortNamePatterns);
     38 };
     39 
     40 }  // namespace extensions
     41 
     42 #endif  // CHROME_BROWSER_EXTENSIONS_API_SERIAL_SERIAL_PORT_ENUMERATOR_H_
     43