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 std::string path = llvm::sys::FindProgramByName (file_str);
574 llvm::StringRef dir_ref = llvm::sys::path::parent_path(path);
575 //llvm::StringRef dir_ref = path.getDirname();
576 if (! dir_ref.empty())
578 // FindProgramByName returns "." if it can't find the file.
579 if (strcmp (".", dir_ref.data()) == 0)
582 m_directory.SetCString (dir_ref.data());
587 // If FindProgramByName found the file, it returns the directory + filename in its return results.
588 // We need to separate them.
589 FileSpec tmp_file (dir_ref.data(), false);
590 if (tmp_file.Exists())
592 m_directory = tmp_file.m_directory;
604 FileSpec::ResolvePath ()
607 return true; // We have already resolved this path
609 char path_buf[PATH_MAX];
610 if (!GetPath (path_buf, PATH_MAX))
612 // SetFile(...) will set m_is_resolved correctly if it can resolve the path
613 SetFile (path_buf, true);
614 return m_is_resolved;
618 FileSpec::GetByteSize() const
620 struct stat file_stats;
621 if (GetFileStats (this, &file_stats))
622 return file_stats.st_size;
627 FileSpec::GetFileType () const
629 struct stat file_stats;
630 if (GetFileStats (this, &file_stats))
632 mode_t file_type = file_stats.st_mode & S_IFMT;
635 case S_IFDIR: return eFileTypeDirectory;
636 case S_IFREG: return eFileTypeRegular;
638 case S_IFIFO: return eFileTypePipe;
639 case S_IFSOCK: return eFileTypeSocket;
640 case S_IFLNK: return eFileTypeSymbolicLink;
645 return eFileTypeUnknown;
647 return eFileTypeInvalid;
651 FileSpec::GetPermissions () const
653 uint32_t file_permissions = 0;
655 Host::GetFilePermissions(GetPath().c_str(), file_permissions);
656 return file_permissions;
660 FileSpec::GetModificationTime () const
663 struct stat file_stats;
664 if (GetFileStats (this, &file_stats))
665 mod_time.OffsetWithSeconds(file_stats.st_mtime);
669 //------------------------------------------------------------------
670 // Directory string get accessor.
671 //------------------------------------------------------------------
673 FileSpec::GetDirectory()
678 //------------------------------------------------------------------
679 // Directory string const get accessor.
680 //------------------------------------------------------------------
682 FileSpec::GetDirectory() const
687 //------------------------------------------------------------------
688 // Filename string get accessor.
689 //------------------------------------------------------------------
691 FileSpec::GetFilename()
696 //------------------------------------------------------------------
697 // Filename string const get accessor.
698 //------------------------------------------------------------------
700 FileSpec::GetFilename() const
705 //------------------------------------------------------------------
706 // Extract the directory and path into a fixed buffer. This is
707 // needed as the directory and path are stored in separate string
709 //------------------------------------------------------------------
711 FileSpec::GetPath(char *path, size_t path_max_len) const
715 const char *dirname = m_directory.GetCString();
716 const char *filename = m_filename.GetCString();
720 return ::snprintf (path, path_max_len, "%s/%s", dirname, filename);
722 return ::snprintf (path, path_max_len, "%s", dirname);
726 return ::snprintf (path, path_max_len, "%s", filename);
735 FileSpec::GetPath (void) const
737 static ConstString g_slash_only ("/");
739 const char *dirname = m_directory.GetCString();
740 const char *filename = m_filename.GetCString();
743 path.append (dirname);
744 if (filename && m_directory != g_slash_only)
748 path.append (filename);
753 FileSpec::GetFileNameExtension () const
757 const char *filename = m_filename.GetCString();
758 const char* dot_pos = strrchr(filename, '.');
759 if (dot_pos && dot_pos[1] != '\0')
760 return ConstString(dot_pos+1);
762 return ConstString();
766 FileSpec::GetFileNameStrippingExtension () const
768 const char *filename = m_filename.GetCString();
769 if (filename == NULL)
770 return ConstString();
772 const char* dot_pos = strrchr(filename, '.');
776 return ConstString(filename, dot_pos-filename);
779 //------------------------------------------------------------------
780 // Returns a shared pointer to a data buffer that contains all or
781 // part of the contents of a file. The data is memory mapped and
782 // will lazily page in data from the file as memory is accessed.
783 // The data that is mappped will start "file_offset" bytes into the
784 // file, and "file_size" bytes will be mapped. If "file_size" is
785 // greater than the number of bytes available in the file starting
786 // at "file_offset", the number of bytes will be appropriately
787 // truncated. The final number of bytes that get mapped can be
788 // verified using the DataBuffer::GetByteSize() function.
789 //------------------------------------------------------------------
791 FileSpec::MemoryMapFileContents(off_t file_offset, size_t file_size) const
793 DataBufferSP data_sp;
794 std::unique_ptr<DataBufferMemoryMap> mmap_data(new DataBufferMemoryMap());
797 const size_t mapped_length = mmap_data->MemoryMapFromFileSpec (this, file_offset, file_size);
798 if (((file_size == SIZE_MAX) && (mapped_length > 0)) || (mapped_length >= file_size))
799 data_sp.reset(mmap_data.release());
805 //------------------------------------------------------------------
806 // Return the size in bytes that this object takes in memory. This
807 // returns the size in bytes of this object, not any shared string
808 // values it may refer to.
809 //------------------------------------------------------------------
811 FileSpec::MemorySize() const
813 return m_filename.MemorySize() + m_directory.MemorySize();
818 FileSpec::ReadFileContents (off_t file_offset, void *dst, size_t dst_len, Error *error_ptr) const
821 size_t bytes_read = 0;
822 char resolved_path[PATH_MAX];
823 if (GetPath(resolved_path, sizeof(resolved_path)))
826 error = file.Open(resolved_path, File::eOpenOptionRead);
829 off_t file_offset_after_seek = file_offset;
830 bytes_read = dst_len;
831 error = file.Read(dst, bytes_read, file_offset_after_seek);
836 error.SetErrorString("invalid file specification");
843 //------------------------------------------------------------------
844 // Returns a shared pointer to a data buffer that contains all or
845 // part of the contents of a file. The data copies into a heap based
846 // buffer that lives in the DataBuffer shared pointer object returned.
847 // The data that is cached will start "file_offset" bytes into the
848 // file, and "file_size" bytes will be mapped. If "file_size" is
849 // greater than the number of bytes available in the file starting
850 // at "file_offset", the number of bytes will be appropriately
851 // truncated. The final number of bytes that get mapped can be
852 // verified using the DataBuffer::GetByteSize() function.
853 //------------------------------------------------------------------
855 FileSpec::ReadFileContents (off_t file_offset, size_t file_size, Error *error_ptr) const
858 DataBufferSP data_sp;
859 char resolved_path[PATH_MAX];
860 if (GetPath(resolved_path, sizeof(resolved_path)))
863 error = file.Open(resolved_path, File::eOpenOptionRead);
866 const bool null_terminate = false;
867 error = file.Read (file_size, file_offset, null_terminate, data_sp);
872 error.SetErrorString("invalid file specification");
880 FileSpec::ReadFileContentsAsCString(Error *error_ptr)
883 DataBufferSP data_sp;
884 char resolved_path[PATH_MAX];
885 if (GetPath(resolved_path, sizeof(resolved_path)))
888 error = file.Open(resolved_path, File::eOpenOptionRead);
892 size_t length = SIZE_MAX;
893 const bool null_terminate = true;
894 error = file.Read (length, offset, null_terminate, data_sp);
899 error.SetErrorString("invalid file specification");
907 FileSpec::ReadFileLines (STLStringArray &lines)
911 if (GetPath(path, sizeof(path)))
913 std::ifstream file_stream (path);
918 while (getline (file_stream, line))
919 lines.push_back (line);
925 FileSpec::EnumerateDirectoryResult
926 FileSpec::EnumerateDirectory
928 const char *dir_path,
929 bool find_directories,
932 EnumerateDirectoryCallbackType callback,
936 if (dir_path && dir_path[0])
939 char szDir[MAX_PATH];
940 strcpy_s(szDir, MAX_PATH, dir_path);
941 strcat_s(szDir, MAX_PATH, "\\*");
944 HANDLE hFind = FindFirstFile(szDir, &ffd);
946 if (hFind == INVALID_HANDLE_VALUE)
948 return eEnumerateDirectoryResultNext;
953 bool call_callback = false;
954 FileSpec::FileType file_type = eFileTypeUnknown;
955 if (ffd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
957 size_t len = strlen(ffd.cFileName);
959 if (len == 1 && ffd.cFileName[0] == '.')
962 if (len == 2 && ffd.cFileName[0] == '.' && ffd.cFileName[1] == '.')
965 file_type = eFileTypeDirectory;
966 call_callback = find_directories;
968 else if (ffd.dwFileAttributes & FILE_ATTRIBUTE_DEVICE)
970 file_type = eFileTypeOther;
971 call_callback = find_other;
975 file_type = eFileTypeRegular;
976 call_callback = find_files;
980 char child_path[MAX_PATH];
981 const int child_path_len = ::snprintf (child_path, sizeof(child_path), "%s\\%s", dir_path, ffd.cFileName);
982 if (child_path_len < (int)(sizeof(child_path) - 1))
984 // Don't resolve the file type or path
985 FileSpec child_path_spec (child_path, false);
987 EnumerateDirectoryResult result = callback (callback_baton, file_type, child_path_spec);
991 case eEnumerateDirectoryResultNext:
992 // Enumerate next entry in the current directory. We just
993 // exit this switch and will continue enumerating the
994 // current directory as we currently are...
997 case eEnumerateDirectoryResultEnter: // Recurse into the current entry if it is a directory or symlink, or next if not
998 if (FileSpec::EnumerateDirectory(child_path,
1003 callback_baton) == eEnumerateDirectoryResultQuit)
1005 // The subdirectory returned Quit, which means to
1006 // stop all directory enumerations at all levels.
1007 return eEnumerateDirectoryResultQuit;
1011 case eEnumerateDirectoryResultExit: // Exit from the current directory at the current level.
1012 // Exit from this directory level and tell parent to
1013 // keep enumerating.
1014 return eEnumerateDirectoryResultNext;
1016 case eEnumerateDirectoryResultQuit: // Stop directory enumerations at any level
1017 return eEnumerateDirectoryResultQuit;
1021 } while (FindNextFile(hFind, &ffd) != 0);
1025 lldb_utility::CleanUp <DIR *, int> dir_path_dir(opendir(dir_path), NULL, closedir);
1026 if (dir_path_dir.is_valid())
1028 long path_max = fpathconf (dirfd (dir_path_dir.get()), _PC_NAME_MAX);
1029 #if defined (__APPLE_) && defined (__DARWIN_MAXPATHLEN)
1030 if (path_max < __DARWIN_MAXPATHLEN)
1031 path_max = __DARWIN_MAXPATHLEN;
1033 struct dirent *buf, *dp;
1034 buf = (struct dirent *) malloc (offsetof (struct dirent, d_name) + path_max + 1);
1036 while (buf && readdir_r(dir_path_dir.get(), buf, &dp) == 0 && dp)
1038 // Only search directories
1039 if (dp->d_type == DT_DIR || dp->d_type == DT_UNKNOWN)
1041 size_t len = strlen(dp->d_name);
1043 if (len == 1 && dp->d_name[0] == '.')
1046 if (len == 2 && dp->d_name[0] == '.' && dp->d_name[1] == '.')
1050 bool call_callback = false;
1051 FileSpec::FileType file_type = eFileTypeUnknown;
1056 case DT_UNKNOWN: file_type = eFileTypeUnknown; call_callback = true; break;
1057 case DT_FIFO: file_type = eFileTypePipe; call_callback = find_other; break;
1058 case DT_CHR: file_type = eFileTypeOther; call_callback = find_other; break;
1059 case DT_DIR: file_type = eFileTypeDirectory; call_callback = find_directories; break;
1060 case DT_BLK: file_type = eFileTypeOther; call_callback = find_other; break;
1061 case DT_REG: file_type = eFileTypeRegular; call_callback = find_files; break;
1062 case DT_LNK: file_type = eFileTypeSymbolicLink; call_callback = find_other; break;
1063 case DT_SOCK: file_type = eFileTypeSocket; call_callback = find_other; break;
1064 #if !defined(__OpenBSD__)
1065 case DT_WHT: file_type = eFileTypeOther; call_callback = find_other; break;
1071 char child_path[PATH_MAX];
1072 const int child_path_len = ::snprintf (child_path, sizeof(child_path), "%s/%s", dir_path, dp->d_name);
1073 if (child_path_len < (int)(sizeof(child_path) - 1))
1075 // Don't resolve the file type or path
1076 FileSpec child_path_spec (child_path, false);
1078 EnumerateDirectoryResult result = callback (callback_baton, file_type, child_path_spec);
1082 case eEnumerateDirectoryResultNext:
1083 // Enumerate next entry in the current directory. We just
1084 // exit this switch and will continue enumerating the
1085 // current directory as we currently are...
1088 case eEnumerateDirectoryResultEnter: // Recurse into the current entry if it is a directory or symlink, or next if not
1089 if (FileSpec::EnumerateDirectory (child_path,
1094 callback_baton) == eEnumerateDirectoryResultQuit)
1096 // The subdirectory returned Quit, which means to
1097 // stop all directory enumerations at all levels.
1100 return eEnumerateDirectoryResultQuit;
1104 case eEnumerateDirectoryResultExit: // Exit from the current directory at the current level.
1105 // Exit from this directory level and tell parent to
1106 // keep enumerating.
1109 return eEnumerateDirectoryResultNext;
1111 case eEnumerateDirectoryResultQuit: // Stop directory enumerations at any level
1114 return eEnumerateDirectoryResultQuit;
1126 // By default when exiting a directory, we tell the parent enumeration
1127 // to continue enumerating.
1128 return eEnumerateDirectoryResultNext;
1132 FileSpec::CopyByAppendingPathComponent (const char *new_path) const
1134 const bool resolve = false;
1135 if (m_filename.IsEmpty() && m_directory.IsEmpty())
1136 return FileSpec(new_path,resolve);
1137 StreamString stream;
1138 if (m_filename.IsEmpty())
1139 stream.Printf("%s/%s",m_directory.GetCString(),new_path);
1140 else if (m_directory.IsEmpty())
1141 stream.Printf("%s/%s",m_filename.GetCString(),new_path);
1143 stream.Printf("%s/%s/%s",m_directory.GetCString(), m_filename.GetCString(),new_path);
1144 return FileSpec(stream.GetData(),resolve);
1148 FileSpec::CopyByRemovingLastPathComponent () const
1150 const bool resolve = false;
1151 if (m_filename.IsEmpty() && m_directory.IsEmpty())
1152 return FileSpec("",resolve);
1153 if (m_directory.IsEmpty())
1154 return FileSpec("",resolve);
1155 if (m_filename.IsEmpty())
1157 const char* dir_cstr = m_directory.GetCString();
1158 const char* last_slash_ptr = ::strrchr(dir_cstr, '/');
1160 // check for obvious cases before doing the full thing
1161 if (!last_slash_ptr)
1162 return FileSpec("",resolve);
1163 if (last_slash_ptr == dir_cstr)
1164 return FileSpec("/",resolve);
1166 size_t last_slash_pos = last_slash_ptr - dir_cstr+1;
1167 ConstString new_path(dir_cstr,last_slash_pos);
1168 return FileSpec(new_path.GetCString(),resolve);
1171 return FileSpec(m_directory.GetCString(),resolve);
1175 FileSpec::GetLastPathComponent () const
1181 const char* dir_cstr = m_directory.GetCString();
1182 const char* last_slash_ptr = ::strrchr(dir_cstr, '/');
1183 if (last_slash_ptr == NULL)
1185 if (last_slash_ptr == dir_cstr)
1187 if (last_slash_ptr[1] == 0)
1188 return ConstString(last_slash_ptr);
1190 return ConstString(last_slash_ptr+1);
1192 if (last_slash_ptr[1] != 0)
1193 return ConstString(last_slash_ptr+1);
1194 const char* penultimate_slash_ptr = last_slash_ptr;
1195 while (*penultimate_slash_ptr)
1197 --penultimate_slash_ptr;
1198 if (penultimate_slash_ptr == dir_cstr)
1200 if (*penultimate_slash_ptr == '/')
1203 ConstString result(penultimate_slash_ptr+1,last_slash_ptr-penultimate_slash_ptr);
1206 return ConstString();
1210 FileSpec::AppendPathComponent (const char *new_path)
1212 const bool resolve = false;
1213 if (m_filename.IsEmpty() && m_directory.IsEmpty())
1215 SetFile(new_path,resolve);
1218 StreamString stream;
1219 if (m_filename.IsEmpty())
1220 stream.Printf("%s/%s",m_directory.GetCString(),new_path);
1221 else if (m_directory.IsEmpty())
1222 stream.Printf("%s/%s",m_filename.GetCString(),new_path);
1224 stream.Printf("%s/%s/%s",m_directory.GetCString(), m_filename.GetCString(),new_path);
1225 SetFile(stream.GetData(), resolve);
1229 FileSpec::RemoveLastPathComponent ()
1231 const bool resolve = false;
1232 if (m_filename.IsEmpty() && m_directory.IsEmpty())
1234 SetFile("",resolve);
1237 if (m_directory.IsEmpty())
1239 SetFile("",resolve);
1242 if (m_filename.IsEmpty())
1244 const char* dir_cstr = m_directory.GetCString();
1245 const char* last_slash_ptr = ::strrchr(dir_cstr, '/');
1247 // check for obvious cases before doing the full thing
1248 if (!last_slash_ptr)
1250 SetFile("",resolve);
1253 if (last_slash_ptr == dir_cstr)
1255 SetFile("/",resolve);
1258 size_t last_slash_pos = last_slash_ptr - dir_cstr+1;
1259 ConstString new_path(dir_cstr,last_slash_pos);
1260 SetFile(new_path.GetCString(),resolve);
1263 SetFile(m_directory.GetCString(),resolve);
1265 //------------------------------------------------------------------
1266 /// Returns true if the filespec represents an implementation source
1267 /// file (files with a ".c", ".cpp", ".m", ".mm" (many more)
1271 /// \b true if the filespec represents an implementation source
1272 /// file, \b false otherwise.
1273 //------------------------------------------------------------------
1275 FileSpec::IsSourceImplementationFile () const
1277 ConstString extension (GetFileNameExtension());
1280 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)$",
1281 REG_EXTENDED | REG_ICASE);
1282 return g_source_file_regex.Execute (extension.GetCString());
1288 FileSpec::IsRelativeToCurrentWorkingDirectory () const
1290 const char *directory = m_directory.GetCString();
1291 if (directory && directory[0])
1293 // If the path doesn't start with '/' or '~', return true
1294 switch (directory[0])
1303 else if (m_filename)
1305 // No directory, just a basename, return true