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      1 /*
      2  * File:	SearchPath.h
      3  *
      4  * Copyright (c) Freescale Semiconductor, Inc. All rights reserved.
      5  * See included license file for license details.
      6  */
      7 #if !defined(_searchpath_h_)
      8 #define _searchpath_h_
      9 
     10 #include <string>
     11 #include <list>
     12 
     13 /*!
     14  * \brief Handles searching a list of paths for a file.
     15  */
     16 class PathSearcher
     17 {
     18 public:
     19 	//!
     20 	enum _target_type
     21 	{
     22 		kFindFile,
     23 		kFindDirectory
     24 	};
     25 
     26 	//!
     27 	typedef enum _target_type target_type_t;
     28 
     29 protected:
     30 	//! Global search object singleton.
     31 	static PathSearcher * s_searcher;
     32 
     33 public:
     34 	//! \brief Access global path searching object.
     35 	static PathSearcher & getGlobalSearcher();
     36 
     37 public:
     38 	//! \brief Constructor.
     39 	PathSearcher() {}
     40 
     41 	//! \brief Add a new search path to the end of the list.
     42 	void addSearchPath(std::string & path);
     43 
     44 	//! \brief Attempts to locate a file by using the search paths.
     45 	bool search(const std::string & base, target_type_t targetType, bool searchCwd, std::string & result);
     46 
     47 protected:
     48 	typedef std::list<std::string> string_list_t;	//!< Linked list of strings.
     49 	string_list_t m_paths;	//!< Ordered list of paths to search.
     50 
     51 	//! \brief Returns whether \a path is absolute.
     52 	bool isAbsolute(const std::string & path);
     53 
     54 	//! \brief Combines two paths into a single one.
     55 	std::string joinPaths(const std::string & first, const std::string & second);
     56 };
     57 
     58 #endif // _searchpath_h_
     59