1 // dirsearch.h -- directory searching for gold -*- C++ -*-
3 // Copyright 2006, 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
4 // Written by Ian Lance Taylor <iant@google.com>.
6 // This file is part of gold.
8 // This program is free software; you can redistribute it and/or modify
9 // it under the terms of the GNU General Public License as published by
10 // the Free Software Foundation; either version 3 of the License, or
11 // (at your option) any later version.
13 // This program is distributed in the hope that it will be useful,
14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 // GNU General Public License for more details.
18 // You should have received a copy of the GNU General Public License
19 // along with this program; if not, write to the Free Software
20 // Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
21 // MA 02110-1301, USA.
23 #ifndef GOLD_DIRSEARCH_H
24 #define GOLD_DIRSEARCH_H
35 class General_options;
38 // A simple interface to manage directories to be searched for
45 : directories_(NULL), token_(true)
48 // Set the list of directories to search.
50 initialize(Workqueue*, const General_options::Dir_list*);
52 // Search for a file, giving one or two names to search for (the
53 // second one may be empty). Return a full path name for the file,
54 // or the empty string if it could not be found. This may only be
55 // called if the token is not blocked. Set *IS_IN_SYSROOT if the
56 // file was found in a directory which is in the sysroot. *PINDEX
57 // should be set to zero the first time this is called; it will be
58 // updated with the index of the directory where the file is found,
59 // and that value plus one may be used to find the next file with
62 find(const std::vector<std::string>& names, bool* is_in_sysroot,
63 int* pindex, std::string *found_name) const;
65 // Return the blocker token which controls access.
68 { return &this->token_; }
70 // Search for a file in a directory list. This is a low-level function and
71 // therefore can be used before options and parameters are set.
73 find_file_in_dir_list(const std::string& name,
74 const General_options::Dir_list& directories,
75 const std::string& extra_search_dir);
78 // We can not copy this class.
79 Dirsearch(const Dirsearch&);
80 Dirsearch& operator=(const Dirsearch&);
82 // Directories to search.
83 const General_options::Dir_list* directories_;
84 // Blocker token to control access from tasks.
88 } // End namespace gold.
90 #endif // !defined(GOLD_DIRSEARCH_H)