2 Copyright (C) 2007 Tim Mayberry
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 #ifndef PBD_SEARCH_PATH_INCLUDED
21 #define PBD_SEARCH_PATH_INCLUDED
26 #include <pbd/filesystem.h>
34 * @class The SearchPath class is a helper class for getting a
35 * vector of paths contained in a search path string where a
36 * "search path string" contains absolute directory paths
37 * separated by a colon(:) or a semi-colon(;) on windows.
39 * The SearchPath class does not test whether the paths exist
40 * or are directories. It is basically just a container.
45 typedef std::vector<sys::path>::iterator iterator;
46 typedef std::vector<sys::path>::const_iterator const_iterator;
51 * Create an empty SearchPath.
56 * Initialize SearchPath from a string where the string contains
57 * one or more absolute paths to directories which are delimited
58 * by a path separation character. The path delimeter is a
59 * colon(:) on unix and a semi-colon(;) on windows.
61 * Each path contained in the search path may or may not resolve to
62 * an existing directory in the filesystem.
64 * @param search_path A path string.
66 SearchPath (const string& search_path);
69 * Initialize SearchPath from a sys::path.
71 * @param directory_path A directory path.
73 SearchPath (const sys::path& directory_path);
76 * Initialize SearchPath from a vector of paths that may or may
81 SearchPath (const vector<sys::path>& paths);
84 * The copy constructor does what you would expect and copies the
85 * vector of paths contained by the SearchPath.
87 SearchPath (const SearchPath& search_path);
90 * Indicate whether there are any directory paths in m_dirs.
92 * If SearchPath is initialized with an empty string as the
93 * result of for instance the contents of an unset environment
96 * @return true if there are any paths in m_paths.
98 operator void* () const { return (void*)!m_dirs.empty(); }
101 * @return a read/write iterator that points to the first
102 * path in the SearchPath. Iteration is done in ordinary
105 iterator begin () { return m_dirs.begin(); }
108 * @return A read-only (constant) iterator that points to the
109 * first path in the SearchPath.
111 const_iterator begin () const { return m_dirs.begin(); }
114 * @return A read/write iterator that points one past the last
115 * path in the SearchPath.
117 iterator end () { return m_dirs.end(); }
120 * @return A read-only (constant) iterator that points one past
121 * the last path in the SearchPath.
123 const_iterator end () const { return m_dirs.end(); }
126 * @return a search path string.
128 * The string that is returned contains the platform specific
131 const string to_string () const;
134 * Assignment of another SearchPath to this.
136 SearchPath& operator= (const SearchPath& spath);
139 * Add all the directories in path to this.
141 SearchPath& operator+= (const SearchPath& spath);
144 * Add another directory path to the search path.
146 SearchPath& operator+= (const sys::path& directory_path);
149 * Concatenate another SearchPath onto this.
151 SearchPath& operator+ (const SearchPath& other);
154 * Add another path to the search path.
156 SearchPath& operator+ (const sys::path& directory_path);
159 * Add a sub-directory to each path in the search path.
160 * @param subdir The directory name, it should not contain
161 * any path separating tokens.
163 SearchPath& add_subdirectory_to_paths (const string& subdir);
166 * Add a sub-directory to each path in the search path.
167 * @see add_subdirectory_to_paths
169 SearchPath& operator/= (const string& subdir);
173 void add_directory (const sys::path& directory_path);
175 void add_directories (const vector<sys::path>& paths);
177 vector<sys::path> m_dirs;