1 #ifndef VIRTUALFILESYSTEM_H_
2 #define VIRTUALFILESYSTEM_H_
6 #include <msp/fs/path.h>
14 Provides access to the filesystem in a way that takes known targets into
15 account. Thus, targets may be returned for files that do not exist yet if it's
16 possible to build them.
18 class VirtualFileSystem
21 typedef std::list<Msp::FS::Path> SearchPath;
24 typedef std::map<Msp::FS::Path, FileTarget *> TargetMap;
28 std::set<Msp::FS::Path> nonexistent;
31 VirtualFileSystem(Builder &);
33 /** Gets an existing target associated with a path. If no target has claimed
34 that path, 0 is returned. */
35 FileTarget *get_target(const Msp::FS::Path &) const;
37 /** Registers a target with the VFS. A target may be registered at multiple
38 paths if building it results in multiple files. */
39 void register_path(const Msp::FS::Path &, FileTarget *);
41 /** Locates a source file. If a file is found but no target is associated
42 with it, a new package-less target is created with the appropriate tool. */
43 FileTarget *find_header(const std::string &, const SearchPath &);
45 /** Locates a library. The library name should be the same as what would be
46 used in linking with the library. If a file is found but no target is
47 associated with it, a new package-less target of appropriate type is
49 FileTarget *find_library(const std::string &, const SearchPath &, BuildInfo::LibraryMode);
51 /** Locates a binary. The normal search path for binaries is used (usually
52 this means the PATH environment variable). If a file is found but no target
53 is associated with it, a new package-less Executable target is created. */
54 FileTarget *find_binary(const std::string &);
57 bool file_exists(const Msp::FS::Path &);