149 lines
4.3 KiB
C++
149 lines
4.3 KiB
C++
/*
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Copyright (C) 2007 Tim Mayberry
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef __libpbd_search_path_h__
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#define __libpbd_search_path_h__
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#include <string>
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#include <vector>
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#include "pbd/libpbd_visibility.h"
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namespace PBD {
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/**
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* @class Searchpath
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*
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* The Searchpath class is a helper class for getting a
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* vector of paths contained in a search path string where a
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* "search path string" contains absolute directory paths
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* separated by a colon(:) or a semi-colon(;) on windows.
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*
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* The Searchpath class does not test whether the paths exist
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* or are directories. It is basically just a container.
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*/
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class LIBPBD_TEMPLATE_API Searchpath : public std::vector<std::string>
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{
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public:
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/**
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* Create an empty Searchpath.
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*/
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LIBPBD_TEMPLATE_MEMBER_API Searchpath ();
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/**
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* Initialize Searchpath from a string where the string contains
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* one or more absolute paths to directories which are delimited
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* by a path separation character. The path delimeter is a
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* colon(:) on unix and a semi-colon(;) on windows.
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*
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* Each path contained in the search path may or may not resolve to
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* an existing directory in the filesystem.
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*
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* @param search_path A path string.
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*/
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LIBPBD_TEMPLATE_MEMBER_API Searchpath (const std::string& search_path);
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/**
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* Initialize Searchpath from a vector of paths that may or may
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* not exist.
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*
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* @param paths A vector of paths.
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*/
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LIBPBD_TEMPLATE_MEMBER_API Searchpath (const std::vector<std::string>& paths);
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LIBPBD_TEMPLATE_MEMBER_API ~Searchpath () {};
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/**
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* @return a search path string.
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*
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* The string that is returned contains the platform specific
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* path separator.
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*/
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LIBPBD_TEMPLATE_MEMBER_API const std::string to_string () const;
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/**
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* Add all the directories in path to this.
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*/
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LIBPBD_TEMPLATE_MEMBER_API Searchpath& operator+= (const Searchpath& spath);
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/**
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* Add another directory path to the search path.
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*/
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LIBPBD_TEMPLATE_MEMBER_API Searchpath& operator+= (const std::string& directory_path);
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/**
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* Concatenate another Searchpath onto this.
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*/
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LIBPBD_TEMPLATE_MEMBER_API const Searchpath operator+ (const Searchpath& other);
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/**
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* Add another path to the search path.
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*/
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LIBPBD_TEMPLATE_MEMBER_API const Searchpath operator+ (const std::string& directory_path);
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/**
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* Remove all the directories in path from this.
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*/
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LIBPBD_TEMPLATE_MEMBER_API Searchpath& operator-= (const Searchpath& spath);
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/**
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* Remove a directory path from the search path.
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*/
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LIBPBD_TEMPLATE_MEMBER_API Searchpath& operator-= (const std::string& directory_path);
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/**
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* Add a sub-directory to each path in the search path.
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* @param subdir The directory name, it should not contain
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* any path separating tokens.
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*/
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LIBPBD_TEMPLATE_MEMBER_API Searchpath& add_subdirectory_to_paths (const std::string& subdir);
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/**
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* Add directory_path to this Searchpath.
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*/
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LIBPBD_TEMPLATE_MEMBER_API void add_directory (const std::string& directory_path);
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/**
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* Add directories in paths to this Searchpath.
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*/
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LIBPBD_TEMPLATE_MEMBER_API void add_directories (const std::vector<std::string>& paths);
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/**
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* Remove directory_path from this Searchpath.
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*/
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LIBPBD_TEMPLATE_MEMBER_API void remove_directory (const std::string& directory_path);
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/**
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* Remove all the directories in paths from this Searchpath.
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*/
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LIBPBD_TEMPLATE_MEMBER_API void remove_directories (const std::vector<std::string>& paths);
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/**
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* @return true if Searchpath already contains path
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*/
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LIBPBD_TEMPLATE_MEMBER_API bool contains (const std::string& path) const;
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};
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LIBPBD_API void export_search_path (const std::string& base_dir, const char* varname, const char* dir);
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} // namespace PBD
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#endif /* __libpbd_search_path_h__ */
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