2 Copyright (C) 2013-2014 Paul Davis
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.
28 #include <glibmm/fileutils.h>
29 #include <glibmm/miscutils.h>
31 #include "pbd/compose.h"
32 #include "pbd/debug.h"
33 #include "pbd/pathexpand.h"
34 #include "pbd/strsplit.h"
35 #include "pbd/tokenizer.h"
41 PBD::path_expand (string path)
50 if (path.length() == 1) {
51 return Glib::get_home_dir();
55 path.replace (0, 1, Glib::get_home_dir());
57 /* can't handle ~roger, so just leave it */
61 /* now do $VAR substitution, since wordexp isn't reliable */
63 regex_t compiled_pattern;
64 const int nmatches = 100;
65 regmatch_t matches[nmatches];
67 if (regcomp (&compiled_pattern, "\\$([a-zA-Z_][a-zA-Z0-9_]*|\\{[a-zA-Z_][a-zA-Z0-9_]*\\})", REG_EXTENDED)) {
68 std::cerr << "bad regcomp\n";
74 if (regexec (&compiled_pattern, path.c_str(), nmatches, matches, 0)) {
78 /* matches[0] gives the entire match */
80 string match = path.substr (matches[0].rm_so, matches[0].rm_eo - matches[0].rm_so);
82 /* try to get match from the environment */
84 if (match[1] == '{') {
86 match = match.substr (2, match.length() - 3);
89 char* matched_value = getenv (match.c_str());
92 path.replace (matches[0].rm_so, matches[0].rm_eo - matches[0].rm_so, matched_value);
94 path.replace (matches[0].rm_so, matches[0].rm_eo - matches[0].rm_so, string());
97 /* go back and do it again with whatever remains after the
102 regfree (&compiled_pattern);
106 return canonical_path (path);
110 PBD::search_path_expand (string path)
119 split (path, s, G_SEARCHPATH_SEPARATOR);
121 for (vector<string>::iterator i = s.begin(); i != s.end(); ++i) {
122 string exp = path_expand (*i);
130 for (vector<string>::iterator i = n.begin(); i != n.end(); ++i) {
132 r += G_SEARCHPATH_SEPARATOR;
140 std::vector <std::string>
141 PBD::parse_path(std::string path, bool check_if_exists)
143 vector <std::string> pathlist;
144 vector <std::string> tmp;
145 PBD::tokenize (path, string(G_SEARCHPATH_SEPARATOR_S), std::back_inserter (tmp));
147 for(vector<std::string>::const_iterator i = tmp.begin(); i != tmp.end(); ++i) {
148 if ((*i).empty()) continue;
150 #ifndef PLATFORM_WINDOWS
151 if ((*i).substr(0,1) == "~") {
152 dir = Glib::build_filename(Glib::get_home_dir(), (*i).substr(1));
159 if (!check_if_exists || Glib::file_test (dir, Glib::FILE_TEST_IS_DIR)) {
160 pathlist.push_back(dir);