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bae7f79e ILT |
1 | // dirsearch.h -- directory searching for gold -*- C++ -*- |
2 | ||
3 | #ifndef GOLD_DIRSEARCH_H | |
4 | #define GOLD_DIRSEARCH_H | |
5 | ||
6 | #include <string> | |
7 | #include <list> | |
8 | ||
bae7f79e ILT |
9 | #include "workqueue.h" |
10 | ||
11 | namespace gold | |
12 | { | |
13 | ||
ead1e424 ILT |
14 | class General_options; |
15 | ||
bae7f79e ILT |
16 | // A simple interface to manage directories to be searched for |
17 | // libraries. | |
18 | ||
19 | class Dirsearch | |
20 | { | |
21 | public: | |
22 | Dirsearch(); | |
23 | ||
24 | // Add a directory to the search path. | |
25 | void | |
26 | add(Workqueue*, const char*); | |
27 | ||
28 | // Add a list of directories to the search path. | |
29 | void | |
30 | add(Workqueue*, const General_options::Dir_list&); | |
31 | ||
32 | // Search for a file, giving one or two names to search for (the | |
33 | // second one may be empty). Return a full path name for the file, | |
34 | // or the empty string if it could not be found. This may only be | |
35 | // called if the token is not blocked. | |
36 | std::string | |
37 | find(const std::string&, const std::string& n2 = std::string()) const; | |
38 | ||
39 | // Return a reference to the blocker token which controls access. | |
40 | const Task_token& | |
41 | token() const | |
42 | { return this->token_; } | |
43 | ||
44 | private: | |
45 | // We can not copy this class. | |
46 | Dirsearch(const Dirsearch&); | |
47 | Dirsearch& operator=(const Dirsearch&); | |
48 | ||
49 | // Directories to search. | |
50 | std::list<const char*> directories_; | |
51 | // Blocker token to control access from tasks. | |
52 | Task_token token_; | |
53 | }; | |
54 | ||
55 | } // End namespace gold. | |
56 | ||
57 | #endif // !defined(GOLD_DIRSEARCH_H) |