Keep only base/extractor.[cc|h].

base/commands.h

-// Copyright 2005-2009 Google Inc.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-// ========================================================================
-//
-// Parse command-line options
-//
-// Class CommandParsing supports two kinds of command line options:
-// 1) Traditional option, like "-b -v 100"
-// 2) Name-value-pairs, like "b=&v=100"
-
-#ifndef OMAHA_COMMON_COMMANDS_H_
-#define OMAHA_COMMON_COMMANDS_H_
-
-#include <atlstr.h>
-#include <vector>
-#include "base/basictypes.h"
-
-namespace omaha {
-
-enum ThreeValue {
-  VALUE_NOT_SET = 0,
-  TRUE_VALUE = 1,
-  FALSE_VALUE = 2
-};
-
-enum CommandOptionType {
-  COMMAND_OPTION_BOOL = 0x1,
-  COMMAND_OPTION_INT = 0x2,
-  COMMAND_OPTION_UINT = 0x3,
-  COMMAND_OPTION_STRING = 0x4,
-  COMMAND_OPTION_THREE = 0x5,
-  COMMAND_OPTION_UNESCAPE = 0x1000,
-  COMMAND_OPTION_MULTIPLE = 0x2000
-};
-
-#define COMMAND_OPTION_FLAGS_MASK   0x0FFF
-
-struct CommandOption {
-  void Init(const TCHAR* name, CommandOptionType type,
-            void* value, int max_value_len);
-  void Copy(const CommandOption& option);
-
-  CString name;
-  CommandOptionType type;
-  void* value;
-  int max_value_len;
-};
-
-class CommandParsingSimple {
- public:
-  // Static Helper function that splits a command line
-  // string into executable and any arguments
-  static HRESULT SplitExeAndArgs(const TCHAR* cmd_line,
-                                 CString* exe,
-                                 CString* args);
-
-  // Static Helper function that splits a command line
-  // string into executable and any arguments. Tries to
-  // guess the positioning of the EXE argument in cases
-  // where the EXE argument has spaces and is not enclosed
-  // in quotes. For instance, earlier versions of Google Desktop
-  // used to have an "Uninstall" string of the form:
-  // C:\Program Files\Google\Google Toolbar\GoogleToolbarSetup.exe -uninstall
-  // This function is meant to accomodate such cases.
-  static HRESULT SplitExeAndArgsGuess(const TCHAR* cmd_line,
-                                      CString* exe,
-                                      CString* args);
-
-  // Static Helper function that returns the number of arguments
-  // in the passed in cmd_line
-  static HRESULT GetNumberOfArgs(const TCHAR* cmd_line, uint32* number_of_args);
-
-  // Converted to a string
-  HRESULT ToString(CString* cmd_line);
-
- protected:
-  // Constructor
-  CommandParsingSimple();
-
-  // Constructor
-  explicit CommandParsingSimple(TCHAR separator);
-
-  // Parse a command line string into args
-  HRESULT ParseSimple(const TCHAR* cmd_line);
-
-  // Get the arg at specified position from the command line
-  HRESULT GetAt(uint32 position, CString* arg);
-
-  // Remove the arg at specified position from the command line
-  HRESULT RemoveAt(uint32 position);
-
-  TCHAR separator_;                   // Separator
-  std::vector<CString> args_;         // Splitted args
-
-
- private:
-  DISALLOW_EVIL_CONSTRUCTORS(CommandParsingSimple);
-};
-
-
-class CommandParsing : public CommandParsingSimple {
- public:
-  // Constructor
-  CommandParsing(CommandOption* options, int options_count);
-
-  CommandParsing(CommandOption* options, int options_count,
-                 TCHAR separator, bool as_name_value_pair);
-
-  // Parse a command line string
-  HRESULT Parse(const TCHAR* cmd_line, bool ignore_unknown_args);
-
-  // Parse a list of command line arguments
-  HRESULT ParseArguments(int argc, TCHAR* argv[]);
-
-  // Remove an option from the command line
-  HRESULT Remove(const TCHAR* option_name);
-
- private:
-  // Internal parsing
-  HRESULT InternalParse(bool ignore_unknown_args);
-
-  // Extract the name
-  HRESULT ExtractName(CString* name, std::vector<CString>::const_iterator* it);
-
-  // Extract the value
-  // Also validate the value length if necessary
-  HRESULT ExtractValue(const CommandOption& option,
-                       CString* value,
-                       std::vector<CString>::const_iterator* it,
-                       const std::vector<CString>::const_iterator& end);
-
-  // Set the parsed value
-  template<class T>
-  static void SetParsedValue(const CommandOption& option, const T& value);
-
-  // Helper function to find an option in the CommandOption list
-  int FindOption(const TCHAR* option_name);
-
-  CommandOption* options_;            // Command-line option list
-  int options_count_;                 // Count of command-line options
-  bool as_name_value_pair_;           // Parse as name-value-pair
-
-  DISALLOW_EVIL_CONSTRUCTORS(CommandParsing);
-};
-
-}  // namespace omaha
-
-#endif  // OMAHA_COMMON_COMMANDS_H_