1 //===-- FileSpec.cpp --------------------------------------------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
14 #include "lldb/Host/windows/windows.h"
25 #include "lldb/Host/Config.h" // Have to include this before we test the define...
26 #ifdef LLDB_CONFIG_TILDE_RESOLVES_TO_USER
30 #include "llvm/ADT/StringRef.h"
31 #include "llvm/Support/Path.h"
32 #include "llvm/Support/Program.h"
34 #include "lldb/Core/StreamString.h"
35 #include "lldb/Host/File.h"
36 #include "lldb/Host/FileSpec.h"
37 #include "lldb/Host/Host.h"
38 #include "lldb/Core/DataBufferHeap.h"
39 #include "lldb/Core/DataBufferMemoryMap.h"
40 #include "lldb/Core/RegularExpression.h"
41 #include "lldb/Core/Stream.h"
42 #include "lldb/Host/Host.h"
43 #include "lldb/Utility/CleanUp.h"
46 using namespace lldb_private;
49 GetFileStats (const FileSpec *file_spec, struct stat *stats_ptr)
51 char resolved_path[PATH_MAX];
52 if (file_spec->GetPath (resolved_path, sizeof(resolved_path)))
53 return ::stat (resolved_path, stats_ptr) == 0;
57 #ifdef LLDB_CONFIG_TILDE_RESOLVES_TO_USER
60 GetCachedGlobTildeSlash()
62 static std::string g_tilde;
65 struct passwd *user_entry;
66 user_entry = getpwuid(geteuid());
67 if (user_entry != NULL)
68 g_tilde = user_entry->pw_dir;
73 return g_tilde.c_str();
76 #endif // #ifdef LLDB_CONFIG_TILDE_RESOLVES_TO_USER
78 // Resolves the username part of a path of the form ~user/other/directories, and
79 // writes the result into dst_path.
80 // Returns 0 if there WAS a ~ in the path but the username couldn't be resolved.
81 // Otherwise returns the number of characters copied into dst_path. If the return
82 // is >= dst_len, then the resolved path is too long...
84 FileSpec::ResolveUsername (const char *src_path, char *dst_path, size_t dst_len)
86 if (src_path == NULL || src_path[0] == '\0')
89 #ifdef LLDB_CONFIG_TILDE_RESOLVES_TO_USER
91 char user_home[PATH_MAX];
92 const char *user_name;
95 // If there's no ~, then just copy src_path straight to dst_path (they may be the same string...)
96 if (src_path[0] != '~')
98 size_t len = strlen (src_path);
101 ::bcopy (src_path, dst_path, dst_len - 1);
102 dst_path[dst_len] = '\0';
105 ::bcopy (src_path, dst_path, len + 1);
110 const char *first_slash = ::strchr (src_path, '/');
111 char remainder[PATH_MAX];
113 if (first_slash == NULL)
115 // The whole name is the username (minus the ~):
116 user_name = src_path + 1;
121 size_t user_name_len = first_slash - src_path - 1;
122 ::memcpy (user_home, src_path + 1, user_name_len);
123 user_home[user_name_len] = '\0';
124 user_name = user_home;
126 ::strcpy (remainder, first_slash);
129 if (user_name == NULL)
131 // User name of "" means the current user...
133 struct passwd *user_entry;
134 const char *home_dir = NULL;
136 if (user_name[0] == '\0')
138 home_dir = GetCachedGlobTildeSlash();
142 user_entry = ::getpwnam (user_name);
143 if (user_entry != NULL)
144 home_dir = user_entry->pw_dir;
147 if (home_dir == NULL)
150 return ::snprintf (dst_path, dst_len, "%s%s", home_dir, remainder);
152 // Resolving home directories is not supported, just copy the path...
153 return ::snprintf (dst_path, dst_len, "%s", src_path);
154 #endif // #ifdef LLDB_CONFIG_TILDE_RESOLVES_TO_USER
158 FileSpec::ResolvePartialUsername (const char *partial_name, StringList &matches)
160 #ifdef LLDB_CONFIG_TILDE_RESOLVES_TO_USER
161 size_t extant_entries = matches.GetSize();
164 struct passwd *user_entry;
165 const char *name_start = partial_name + 1;
166 std::set<std::string> name_list;
168 while ((user_entry = getpwent()) != NULL)
170 if (strstr(user_entry->pw_name, name_start) == user_entry->pw_name)
172 std::string tmp_buf("~");
173 tmp_buf.append(user_entry->pw_name);
174 tmp_buf.push_back('/');
175 name_list.insert(tmp_buf);
178 std::set<std::string>::iterator pos, end = name_list.end();
179 for (pos = name_list.begin(); pos != end; pos++)
181 matches.AppendString((*pos).c_str());
183 return matches.GetSize() - extant_entries;
185 // Resolving home directories is not supported, just copy the path...
187 #endif // #ifdef LLDB_CONFIG_TILDE_RESOLVES_TO_USER
193 FileSpec::Resolve (const char *src_path, char *dst_path, size_t dst_len)
195 if (src_path == NULL || src_path[0] == '\0')
198 // Glob if needed for ~/, otherwise copy in case src_path is same as dst_path...
199 char unglobbed_path[PATH_MAX];
200 #ifdef LLDB_CONFIG_TILDE_RESOLVES_TO_USER
201 if (src_path[0] == '~')
203 size_t return_count = ResolveUsername(src_path, unglobbed_path, sizeof(unglobbed_path));
205 // If we couldn't find the user referred to, or the resultant path was too long,
206 // then just copy over the src_path.
207 if (return_count == 0 || return_count >= sizeof(unglobbed_path))
208 ::snprintf (unglobbed_path, sizeof(unglobbed_path), "%s", src_path);
211 #endif // #ifdef LLDB_CONFIG_TILDE_RESOLVES_TO_USER
213 ::snprintf(unglobbed_path, sizeof(unglobbed_path), "%s", src_path);
216 // Now resolve the path if needed
217 char resolved_path[PATH_MAX];
218 if (::realpath (unglobbed_path, resolved_path))
220 // Success, copy the resolved path
221 return ::snprintf(dst_path, dst_len, "%s", resolved_path);
225 // Failed, just copy the unglobbed path
226 return ::snprintf(dst_path, dst_len, "%s", unglobbed_path);
230 FileSpec::FileSpec() :
236 //------------------------------------------------------------------
237 // Default constructor that can take an optional full path to a
239 //------------------------------------------------------------------
240 FileSpec::FileSpec(const char *pathname, bool resolve_path) :
245 if (pathname && pathname[0])
246 SetFile(pathname, resolve_path);
249 //------------------------------------------------------------------
251 //------------------------------------------------------------------
252 FileSpec::FileSpec(const FileSpec& rhs) :
253 m_directory (rhs.m_directory),
254 m_filename (rhs.m_filename),
255 m_is_resolved (rhs.m_is_resolved)
259 //------------------------------------------------------------------
261 //------------------------------------------------------------------
262 FileSpec::FileSpec(const FileSpec* rhs) :
270 //------------------------------------------------------------------
271 // Virtual destrcuctor in case anyone inherits from this class.
272 //------------------------------------------------------------------
273 FileSpec::~FileSpec()
277 //------------------------------------------------------------------
278 // Assignment operator.
279 //------------------------------------------------------------------
281 FileSpec::operator= (const FileSpec& rhs)
285 m_directory = rhs.m_directory;
286 m_filename = rhs.m_filename;
287 m_is_resolved = rhs.m_is_resolved;
292 //------------------------------------------------------------------
293 // Update the contents of this object with a new path. The path will
294 // be split up into a directory and filename and stored as uniqued
295 // string values for quick comparison and efficient memory usage.
296 //------------------------------------------------------------------
298 FileSpec::SetFile (const char *pathname, bool resolve)
302 m_is_resolved = false;
303 if (pathname == NULL || pathname[0] == '\0')
306 char resolved_path[PATH_MAX];
307 bool path_fit = true;
311 path_fit = (FileSpec::Resolve (pathname, resolved_path, sizeof(resolved_path)) < sizeof(resolved_path) - 1);
312 m_is_resolved = path_fit;
316 // Copy the path because "basename" and "dirname" want to muck with the
318 if (::strlen (pathname) > sizeof(resolved_path) - 1)
321 ::strcpy (resolved_path, pathname);
327 char *filename = ::basename (resolved_path);
330 m_filename.SetCString (filename);
331 // Truncate the basename off the end of the resolved path
333 // Only attempt to get the dirname if it looks like we have a path
334 if (strchr(resolved_path, '/')
336 || strchr(resolved_path, '\\')
340 char *directory = ::dirname (resolved_path);
342 // Make sure we didn't get our directory resolved to "." without having
345 m_directory.SetCString(directory);
348 char *last_resolved_path_slash = strrchr(resolved_path, '/');
350 char* last_resolved_path_slash_windows = strrchr(resolved_path, '\\');
351 if (last_resolved_path_slash_windows > last_resolved_path_slash)
352 last_resolved_path_slash = last_resolved_path_slash_windows;
354 if (last_resolved_path_slash)
356 *last_resolved_path_slash = '\0';
357 m_directory.SetCString(resolved_path);
363 m_directory.SetCString(resolved_path);
367 //----------------------------------------------------------------------
368 // Convert to pointer operator. This allows code to check any FileSpec
369 // objects to see if they contain anything valid using code such as:
373 //----------------------------------------------------------------------
374 FileSpec::operator bool() const
376 return m_filename || m_directory;
379 //----------------------------------------------------------------------
380 // Logical NOT operator. This allows code to check any FileSpec
381 // objects to see if they are invalid using code such as:
385 //----------------------------------------------------------------------
387 FileSpec::operator!() const
389 return !m_directory && !m_filename;
392 //------------------------------------------------------------------
394 //------------------------------------------------------------------
396 FileSpec::operator== (const FileSpec& rhs) const
398 if (m_filename == rhs.m_filename)
400 if (m_directory == rhs.m_directory)
403 // TODO: determine if we want to keep this code in here.
404 // The code below was added to handle a case where we were
405 // trying to set a file and line breakpoint and one path
406 // was resolved, and the other not and the directory was
407 // in a mount point that resolved to a more complete path:
408 // "/tmp/a.c" == "/private/tmp/a.c". I might end up pulling
410 if (IsResolved() && rhs.IsResolved())
412 // Both paths are resolved, no need to look further...
416 FileSpec resolved_lhs(*this);
418 // If "this" isn't resolved, resolve it
421 if (resolved_lhs.ResolvePath())
423 // This path wasn't resolved but now it is. Check if the resolved
424 // directory is the same as our unresolved directory, and if so,
425 // we can mark this object as resolved to avoid more future resolves
426 m_is_resolved = (m_directory == resolved_lhs.m_directory);
432 FileSpec resolved_rhs(rhs);
433 if (!rhs.IsResolved())
435 if (resolved_rhs.ResolvePath())
437 // rhs's path wasn't resolved but now it is. Check if the resolved
438 // directory is the same as rhs's unresolved directory, and if so,
439 // we can mark this object as resolved to avoid more future resolves
440 rhs.m_is_resolved = (rhs.m_directory == resolved_rhs.m_directory);
446 // If we reach this point in the code we were able to resolve both paths
447 // and since we only resolve the paths if the basenames are equal, then
448 // we can just check if both directories are equal...
449 return resolved_lhs.GetDirectory() == resolved_rhs.GetDirectory();
454 //------------------------------------------------------------------
455 // Not equal to operator
456 //------------------------------------------------------------------
458 FileSpec::operator!= (const FileSpec& rhs) const
460 return !(*this == rhs);
463 //------------------------------------------------------------------
464 // Less than operator
465 //------------------------------------------------------------------
467 FileSpec::operator< (const FileSpec& rhs) const
469 return FileSpec::Compare(*this, rhs, true) < 0;
472 //------------------------------------------------------------------
473 // Dump a FileSpec object to a stream
474 //------------------------------------------------------------------
476 lldb_private::operator << (Stream &s, const FileSpec& f)
482 //------------------------------------------------------------------
483 // Clear this object by releasing both the directory and filename
484 // string values and making them both the empty string.
485 //------------------------------------------------------------------
493 //------------------------------------------------------------------
494 // Compare two FileSpec objects. If "full" is true, then both
495 // the directory and the filename must match. If "full" is false,
496 // then the directory names for "a" and "b" are only compared if
497 // they are both non-empty. This allows a FileSpec object to only
498 // contain a filename and it can match FileSpec objects that have
499 // matching filenames with different paths.
501 // Return -1 if the "a" is less than "b", 0 if "a" is equal to "b"
502 // and "1" if "a" is greater than "b".
503 //------------------------------------------------------------------
505 FileSpec::Compare(const FileSpec& a, const FileSpec& b, bool full)
509 // If full is true, then we must compare both the directory and filename.
511 // If full is false, then if either directory is empty, then we match on
512 // the basename only, and if both directories have valid values, we still
513 // do a full compare. This allows for matching when we just have a filename
514 // in one of the FileSpec objects.
516 if (full || (a.m_directory && b.m_directory))
518 result = ConstString::Compare(a.m_directory, b.m_directory);
522 return ConstString::Compare (a.m_filename, b.m_filename);
526 FileSpec::Equal (const FileSpec& a, const FileSpec& b, bool full)
528 if (!full && (a.GetDirectory().IsEmpty() || b.GetDirectory().IsEmpty()))
529 return a.m_filename == b.m_filename;
536 //------------------------------------------------------------------
537 // Dump the object to the supplied stream. If the object contains
538 // a valid directory name, it will be displayed followed by a
539 // directory delimiter, and the filename.
540 //------------------------------------------------------------------
542 FileSpec::Dump(Stream *s) const
544 static ConstString g_slash_only ("/");
548 if (m_directory && m_directory != g_slash_only)
554 //------------------------------------------------------------------
555 // Returns true if the file exists.
556 //------------------------------------------------------------------
558 FileSpec::Exists () const
560 struct stat file_stats;
561 return GetFileStats (this, &file_stats);
565 FileSpec::ResolveExecutableLocation ()
569 const char *file_cstr = m_filename.GetCString();
572 const std::string file_str (file_cstr);
573 llvm::sys::Path path = llvm::sys::Program::FindProgramByName (file_str);
574 const std::string &path_str = path.str();
575 llvm::StringRef dir_ref = llvm::sys::path::parent_path(path_str);
576 //llvm::StringRef dir_ref = path.getDirname();
577 if (! dir_ref.empty())
579 // FindProgramByName returns "." if it can't find the file.
580 if (strcmp (".", dir_ref.data()) == 0)
583 m_directory.SetCString (dir_ref.data());
588 // If FindProgramByName found the file, it returns the directory + filename in its return results.
589 // We need to separate them.
590 FileSpec tmp_file (dir_ref.data(), false);
591 if (tmp_file.Exists())
593 m_directory = tmp_file.m_directory;
605 FileSpec::ResolvePath ()
608 return true; // We have already resolved this path
610 char path_buf[PATH_MAX];
611 if (!GetPath (path_buf, PATH_MAX))
613 // SetFile(...) will set m_is_resolved correctly if it can resolve the path
614 SetFile (path_buf, true);
615 return m_is_resolved;
619 FileSpec::GetByteSize() const
621 struct stat file_stats;
622 if (GetFileStats (this, &file_stats))
623 return file_stats.st_size;
628 FileSpec::GetFileType () const
630 struct stat file_stats;
631 if (GetFileStats (this, &file_stats))
633 mode_t file_type = file_stats.st_mode & S_IFMT;
636 case S_IFDIR: return eFileTypeDirectory;
637 case S_IFREG: return eFileTypeRegular;
639 case S_IFIFO: return eFileTypePipe;
640 case S_IFSOCK: return eFileTypeSocket;
641 case S_IFLNK: return eFileTypeSymbolicLink;
646 return eFileTypeUnknown;
648 return eFileTypeInvalid;
652 FileSpec::GetPermissions () const
654 uint32_t file_permissions = 0;
656 Host::GetFilePermissions(GetPath().c_str(), file_permissions);
657 return file_permissions;
661 FileSpec::GetModificationTime () const
664 struct stat file_stats;
665 if (GetFileStats (this, &file_stats))
666 mod_time.OffsetWithSeconds(file_stats.st_mtime);
670 //------------------------------------------------------------------
671 // Directory string get accessor.
672 //------------------------------------------------------------------
674 FileSpec::GetDirectory()
679 //------------------------------------------------------------------
680 // Directory string const get accessor.
681 //------------------------------------------------------------------
683 FileSpec::GetDirectory() const
688 //------------------------------------------------------------------
689 // Filename string get accessor.
690 //------------------------------------------------------------------
692 FileSpec::GetFilename()
697 //------------------------------------------------------------------
698 // Filename string const get accessor.
699 //------------------------------------------------------------------
701 FileSpec::GetFilename() const
706 //------------------------------------------------------------------
707 // Extract the directory and path into a fixed buffer. This is
708 // needed as the directory and path are stored in separate string
710 //------------------------------------------------------------------
712 FileSpec::GetPath(char *path, size_t path_max_len) const
716 const char *dirname = m_directory.GetCString();
717 const char *filename = m_filename.GetCString();
721 return ::snprintf (path, path_max_len, "%s/%s", dirname, filename);
723 return ::snprintf (path, path_max_len, "%s", dirname);
727 return ::snprintf (path, path_max_len, "%s", filename);
736 FileSpec::GetPath (void) const
738 static ConstString g_slash_only ("/");
740 const char *dirname = m_directory.GetCString();
741 const char *filename = m_filename.GetCString();
744 path.append (dirname);
745 if (filename && m_directory != g_slash_only)
749 path.append (filename);
754 FileSpec::GetFileNameExtension () const
758 const char *filename = m_filename.GetCString();
759 const char* dot_pos = strrchr(filename, '.');
760 if (dot_pos && dot_pos[1] != '\0')
761 return ConstString(dot_pos+1);
763 return ConstString();
767 FileSpec::GetFileNameStrippingExtension () const
769 const char *filename = m_filename.GetCString();
770 if (filename == NULL)
771 return ConstString();
773 const char* dot_pos = strrchr(filename, '.');
777 return ConstString(filename, dot_pos-filename);
780 //------------------------------------------------------------------
781 // Returns a shared pointer to a data buffer that contains all or
782 // part of the contents of a file. The data is memory mapped and
783 // will lazily page in data from the file as memory is accessed.
784 // The data that is mappped will start "file_offset" bytes into the
785 // file, and "file_size" bytes will be mapped. If "file_size" is
786 // greater than the number of bytes available in the file starting
787 // at "file_offset", the number of bytes will be appropriately
788 // truncated. The final number of bytes that get mapped can be
789 // verified using the DataBuffer::GetByteSize() function.
790 //------------------------------------------------------------------
792 FileSpec::MemoryMapFileContents(off_t file_offset, size_t file_size) const
794 DataBufferSP data_sp;
795 std::unique_ptr<DataBufferMemoryMap> mmap_data(new DataBufferMemoryMap());
798 const size_t mapped_length = mmap_data->MemoryMapFromFileSpec (this, file_offset, file_size);
799 if (((file_size == SIZE_MAX) && (mapped_length > 0)) || (mapped_length >= file_size))
800 data_sp.reset(mmap_data.release());
806 //------------------------------------------------------------------
807 // Return the size in bytes that this object takes in memory. This
808 // returns the size in bytes of this object, not any shared string
809 // values it may refer to.
810 //------------------------------------------------------------------
812 FileSpec::MemorySize() const
814 return m_filename.MemorySize() + m_directory.MemorySize();
819 FileSpec::ReadFileContents (off_t file_offset, void *dst, size_t dst_len, Error *error_ptr) const
822 size_t bytes_read = 0;
823 char resolved_path[PATH_MAX];
824 if (GetPath(resolved_path, sizeof(resolved_path)))
827 error = file.Open(resolved_path, File::eOpenOptionRead);
830 off_t file_offset_after_seek = file_offset;
831 bytes_read = dst_len;
832 error = file.Read(dst, bytes_read, file_offset_after_seek);
837 error.SetErrorString("invalid file specification");
844 //------------------------------------------------------------------
845 // Returns a shared pointer to a data buffer that contains all or
846 // part of the contents of a file. The data copies into a heap based
847 // buffer that lives in the DataBuffer shared pointer object returned.
848 // The data that is cached will start "file_offset" bytes into the
849 // file, and "file_size" bytes will be mapped. If "file_size" is
850 // greater than the number of bytes available in the file starting
851 // at "file_offset", the number of bytes will be appropriately
852 // truncated. The final number of bytes that get mapped can be
853 // verified using the DataBuffer::GetByteSize() function.
854 //------------------------------------------------------------------
856 FileSpec::ReadFileContents (off_t file_offset, size_t file_size, Error *error_ptr) const
859 DataBufferSP data_sp;
860 char resolved_path[PATH_MAX];
861 if (GetPath(resolved_path, sizeof(resolved_path)))
864 error = file.Open(resolved_path, File::eOpenOptionRead);
867 const bool null_terminate = false;
868 error = file.Read (file_size, file_offset, null_terminate, data_sp);
873 error.SetErrorString("invalid file specification");
881 FileSpec::ReadFileContentsAsCString(Error *error_ptr)
884 DataBufferSP data_sp;
885 char resolved_path[PATH_MAX];
886 if (GetPath(resolved_path, sizeof(resolved_path)))
889 error = file.Open(resolved_path, File::eOpenOptionRead);
893 size_t length = SIZE_MAX;
894 const bool null_terminate = true;
895 error = file.Read (length, offset, null_terminate, data_sp);
900 error.SetErrorString("invalid file specification");
908 FileSpec::ReadFileLines (STLStringArray &lines)
912 if (GetPath(path, sizeof(path)))
914 std::ifstream file_stream (path);
919 while (getline (file_stream, line))
920 lines.push_back (line);
926 FileSpec::EnumerateDirectoryResult
927 FileSpec::EnumerateDirectory
929 const char *dir_path,
930 bool find_directories,
933 EnumerateDirectoryCallbackType callback,
937 if (dir_path && dir_path[0])
940 char szDir[MAX_PATH];
941 strcpy_s(szDir, MAX_PATH, dir_path);
942 strcat_s(szDir, MAX_PATH, "\\*");
945 HANDLE hFind = FindFirstFile(szDir, &ffd);
947 if (hFind == INVALID_HANDLE_VALUE)
949 return eEnumerateDirectoryResultNext;
954 bool call_callback = false;
955 FileSpec::FileType file_type = eFileTypeUnknown;
956 if (ffd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
958 size_t len = strlen(ffd.cFileName);
960 if (len == 1 && ffd.cFileName[0] == '.')
963 if (len == 2 && ffd.cFileName[0] == '.' && ffd.cFileName[1] == '.')
966 file_type = eFileTypeDirectory;
967 call_callback = find_directories;
969 else if (ffd.dwFileAttributes & FILE_ATTRIBUTE_DEVICE)
971 file_type = eFileTypeOther;
972 call_callback = find_other;
976 file_type = eFileTypeRegular;
977 call_callback = find_files;
981 char child_path[MAX_PATH];
982 const int child_path_len = ::snprintf (child_path, sizeof(child_path), "%s\\%s", dir_path, ffd.cFileName);
983 if (child_path_len < (int)(sizeof(child_path) - 1))
985 // Don't resolve the file type or path
986 FileSpec child_path_spec (child_path, false);
988 EnumerateDirectoryResult result = callback (callback_baton, file_type, child_path_spec);
992 case eEnumerateDirectoryResultNext:
993 // Enumerate next entry in the current directory. We just
994 // exit this switch and will continue enumerating the
995 // current directory as we currently are...
998 case eEnumerateDirectoryResultEnter: // Recurse into the current entry if it is a directory or symlink, or next if not
999 if (FileSpec::EnumerateDirectory(child_path,
1004 callback_baton) == eEnumerateDirectoryResultQuit)
1006 // The subdirectory returned Quit, which means to
1007 // stop all directory enumerations at all levels.
1008 return eEnumerateDirectoryResultQuit;
1012 case eEnumerateDirectoryResultExit: // Exit from the current directory at the current level.
1013 // Exit from this directory level and tell parent to
1014 // keep enumerating.
1015 return eEnumerateDirectoryResultNext;
1017 case eEnumerateDirectoryResultQuit: // Stop directory enumerations at any level
1018 return eEnumerateDirectoryResultQuit;
1022 } while (FindNextFile(hFind, &ffd) != 0);
1026 lldb_utility::CleanUp <DIR *, int> dir_path_dir(opendir(dir_path), NULL, closedir);
1027 if (dir_path_dir.is_valid())
1029 long path_max = fpathconf (dirfd (dir_path_dir.get()), _PC_NAME_MAX);
1030 #if defined (__APPLE_) && defined (__DARWIN_MAXPATHLEN)
1031 if (path_max < __DARWIN_MAXPATHLEN)
1032 path_max = __DARWIN_MAXPATHLEN;
1034 struct dirent *buf, *dp;
1035 buf = (struct dirent *) malloc (offsetof (struct dirent, d_name) + path_max + 1);
1037 while (buf && readdir_r(dir_path_dir.get(), buf, &dp) == 0 && dp)
1039 // Only search directories
1040 if (dp->d_type == DT_DIR || dp->d_type == DT_UNKNOWN)
1042 size_t len = strlen(dp->d_name);
1044 if (len == 1 && dp->d_name[0] == '.')
1047 if (len == 2 && dp->d_name[0] == '.' && dp->d_name[1] == '.')
1051 bool call_callback = false;
1052 FileSpec::FileType file_type = eFileTypeUnknown;
1057 case DT_UNKNOWN: file_type = eFileTypeUnknown; call_callback = true; break;
1058 case DT_FIFO: file_type = eFileTypePipe; call_callback = find_other; break;
1059 case DT_CHR: file_type = eFileTypeOther; call_callback = find_other; break;
1060 case DT_DIR: file_type = eFileTypeDirectory; call_callback = find_directories; break;
1061 case DT_BLK: file_type = eFileTypeOther; call_callback = find_other; break;
1062 case DT_REG: file_type = eFileTypeRegular; call_callback = find_files; break;
1063 case DT_LNK: file_type = eFileTypeSymbolicLink; call_callback = find_other; break;
1064 case DT_SOCK: file_type = eFileTypeSocket; call_callback = find_other; break;
1065 #if !defined(__OpenBSD__)
1066 case DT_WHT: file_type = eFileTypeOther; call_callback = find_other; break;
1072 char child_path[PATH_MAX];
1073 const int child_path_len = ::snprintf (child_path, sizeof(child_path), "%s/%s", dir_path, dp->d_name);
1074 if (child_path_len < (int)(sizeof(child_path) - 1))
1076 // Don't resolve the file type or path
1077 FileSpec child_path_spec (child_path, false);
1079 EnumerateDirectoryResult result = callback (callback_baton, file_type, child_path_spec);
1083 case eEnumerateDirectoryResultNext:
1084 // Enumerate next entry in the current directory. We just
1085 // exit this switch and will continue enumerating the
1086 // current directory as we currently are...
1089 case eEnumerateDirectoryResultEnter: // Recurse into the current entry if it is a directory or symlink, or next if not
1090 if (FileSpec::EnumerateDirectory (child_path,
1095 callback_baton) == eEnumerateDirectoryResultQuit)
1097 // The subdirectory returned Quit, which means to
1098 // stop all directory enumerations at all levels.
1101 return eEnumerateDirectoryResultQuit;
1105 case eEnumerateDirectoryResultExit: // Exit from the current directory at the current level.
1106 // Exit from this directory level and tell parent to
1107 // keep enumerating.
1110 return eEnumerateDirectoryResultNext;
1112 case eEnumerateDirectoryResultQuit: // Stop directory enumerations at any level
1115 return eEnumerateDirectoryResultQuit;
1127 // By default when exiting a directory, we tell the parent enumeration
1128 // to continue enumerating.
1129 return eEnumerateDirectoryResultNext;
1133 FileSpec::CopyByAppendingPathComponent (const char *new_path) const
1135 const bool resolve = false;
1136 if (m_filename.IsEmpty() && m_directory.IsEmpty())
1137 return FileSpec(new_path,resolve);
1138 StreamString stream;
1139 if (m_filename.IsEmpty())
1140 stream.Printf("%s/%s",m_directory.GetCString(),new_path);
1141 else if (m_directory.IsEmpty())
1142 stream.Printf("%s/%s",m_filename.GetCString(),new_path);
1144 stream.Printf("%s/%s/%s",m_directory.GetCString(), m_filename.GetCString(),new_path);
1145 return FileSpec(stream.GetData(),resolve);
1149 FileSpec::CopyByRemovingLastPathComponent () const
1151 const bool resolve = false;
1152 if (m_filename.IsEmpty() && m_directory.IsEmpty())
1153 return FileSpec("",resolve);
1154 if (m_directory.IsEmpty())
1155 return FileSpec("",resolve);
1156 if (m_filename.IsEmpty())
1158 const char* dir_cstr = m_directory.GetCString();
1159 const char* last_slash_ptr = ::strrchr(dir_cstr, '/');
1161 // check for obvious cases before doing the full thing
1162 if (!last_slash_ptr)
1163 return FileSpec("",resolve);
1164 if (last_slash_ptr == dir_cstr)
1165 return FileSpec("/",resolve);
1167 size_t last_slash_pos = last_slash_ptr - dir_cstr+1;
1168 ConstString new_path(dir_cstr,last_slash_pos);
1169 return FileSpec(new_path.GetCString(),resolve);
1172 return FileSpec(m_directory.GetCString(),resolve);
1176 FileSpec::GetLastPathComponent () const
1182 const char* dir_cstr = m_directory.GetCString();
1183 const char* last_slash_ptr = ::strrchr(dir_cstr, '/');
1184 if (last_slash_ptr == NULL)
1186 if (last_slash_ptr == dir_cstr)
1188 if (last_slash_ptr[1] == 0)
1189 return ConstString(last_slash_ptr);
1191 return ConstString(last_slash_ptr+1);
1193 if (last_slash_ptr[1] != 0)
1194 return ConstString(last_slash_ptr+1);
1195 const char* penultimate_slash_ptr = last_slash_ptr;
1196 while (*penultimate_slash_ptr)
1198 --penultimate_slash_ptr;
1199 if (penultimate_slash_ptr == dir_cstr)
1201 if (*penultimate_slash_ptr == '/')
1204 ConstString result(penultimate_slash_ptr+1,last_slash_ptr-penultimate_slash_ptr);
1207 return ConstString();
1211 FileSpec::AppendPathComponent (const char *new_path)
1213 const bool resolve = false;
1214 if (m_filename.IsEmpty() && m_directory.IsEmpty())
1216 SetFile(new_path,resolve);
1219 StreamString stream;
1220 if (m_filename.IsEmpty())
1221 stream.Printf("%s/%s",m_directory.GetCString(),new_path);
1222 else if (m_directory.IsEmpty())
1223 stream.Printf("%s/%s",m_filename.GetCString(),new_path);
1225 stream.Printf("%s/%s/%s",m_directory.GetCString(), m_filename.GetCString(),new_path);
1226 SetFile(stream.GetData(), resolve);
1230 FileSpec::RemoveLastPathComponent ()
1232 const bool resolve = false;
1233 if (m_filename.IsEmpty() && m_directory.IsEmpty())
1235 SetFile("",resolve);
1238 if (m_directory.IsEmpty())
1240 SetFile("",resolve);
1243 if (m_filename.IsEmpty())
1245 const char* dir_cstr = m_directory.GetCString();
1246 const char* last_slash_ptr = ::strrchr(dir_cstr, '/');
1248 // check for obvious cases before doing the full thing
1249 if (!last_slash_ptr)
1251 SetFile("",resolve);
1254 if (last_slash_ptr == dir_cstr)
1256 SetFile("/",resolve);
1259 size_t last_slash_pos = last_slash_ptr - dir_cstr+1;
1260 ConstString new_path(dir_cstr,last_slash_pos);
1261 SetFile(new_path.GetCString(),resolve);
1264 SetFile(m_directory.GetCString(),resolve);
1266 //------------------------------------------------------------------
1267 /// Returns true if the filespec represents an implementation source
1268 /// file (files with a ".c", ".cpp", ".m", ".mm" (many more)
1272 /// \b true if the filespec represents an implementation source
1273 /// file, \b false otherwise.
1274 //------------------------------------------------------------------
1276 FileSpec::IsSourceImplementationFile () const
1278 ConstString extension (GetFileNameExtension());
1281 static RegularExpression g_source_file_regex ("^(c|m|mm|cpp|c\\+\\+|cxx|cc|cp|s|asm|f|f77|f90|f95|f03|for|ftn|fpp|ada|adb|ads)$",
1282 REG_EXTENDED | REG_ICASE);
1283 return g_source_file_regex.Execute (extension.GetCString());
1289 FileSpec::IsRelativeToCurrentWorkingDirectory () const
1291 const char *directory = m_directory.GetCString();
1292 if (directory && directory[0])
1294 // If the path doesn't start with '/' or '~', return true
1295 switch (directory[0])
1304 else if (m_filename)
1306 // No directory, just a basename, return true