http://msdn.microsoft.com/en-us/library/aa365248(VS.85).aspx.
- wxPATH_MAC: Mac OS 8/9 and Mac OS X under CodeWarrior 7 format, absolute file
+ wxPATH_MAC: Mac OS 8/9 only, not used any longer, absolute file
names have the form
volume:dir1:...:dirN:filename
and the relative file names are either
#endif
#ifndef WX_PRECOMP
- #ifdef __WXMSW__
+ #ifdef __WINDOWS__
#include "wx/msw/wrapwin.h" // For GetShort/LongPathName
#endif
#include "wx/dynarray.h"
#include "wx/msw/gccpriv.h"
#endif
-#ifdef __WXMSW__
-#include "wx/msw/private.h"
+#ifdef __WINDOWS__
+ #include "wx/msw/private.h"
+ #include <shlobj.h> // for CLSID_ShellLink
+ #include "wx/msw/missing.h"
#endif
#if defined(__WXMAC__)
#include <unistd.h>
#endif
-#ifdef __MWERKS__
-#ifdef __MACH__
-#include <sys/types.h>
-#include <utime.h>
-#include <sys/stat.h>
-#include <unistd.h>
-#else
-#include <stat.h>
-#include <unistd.h>
-#include <unix.h>
-#endif
-#endif
-
#ifdef __WATCOMC__
#include <io.h>
#include <sys/utime.h>
#define MAX_PATH _MAX_PATH
#endif
+#ifndef S_ISREG
+ #define S_ISREG(mode) ((mode) & S_IFREG)
+#endif
+#ifndef S_ISDIR
+ #define S_ISDIR(mode) ((mode) & S_IFDIR)
+#endif
#if wxUSE_LONGLONG
extern const wxULongLong wxInvalidSize = (unsigned)-1;
!IsDOSPathSep(path[2u]);
}
+#ifndef __WIN32__
+
+// Under Unix-ish systems (basically everything except Windows) we may work
+// either with the file itself or its target if it's a symbolic link and we
+// should dereference it, as determined by wxFileName::ShouldFollowLink() and
+// the absence of the wxFILE_EXISTS_NO_FOLLOW flag. StatAny() can be used to
+// stat the appropriate file with an extra twist that it also works when there
+// is no wxFileName object at all, as is the case in static methods.
+
+// Private implementation, don't call directly, use one of the overloads below.
+bool DoStatAny(wxStructStat& st, wxString path, bool dereference)
+{
+ // We need to remove any trailing slashes from the path because they could
+ // interfere with the symlink following decision: even if we use lstat(),
+ // it would still follow the symlink if we pass it a path with a slash at
+ // the end because the symlink resolution would happen while following the
+ // path and not for the last path element itself.
+
+ while ( wxEndsWithPathSeparator(path) )
+ {
+ const size_t posLast = path.length() - 1;
+ if ( !posLast )
+ {
+ // Don't turn "/" into empty string.
+ break;
+ }
+
+ path.erase(posLast);
+ }
+
+ int ret = dereference ? wxStat(path, &st) : wxLstat(path, &st);
+ return ret == 0;
+}
+
+// Overloads to use for a case when we don't have wxFileName object and when we
+// do have one.
+inline
+bool StatAny(wxStructStat& st, const wxString& path, int flags)
+{
+ return DoStatAny(st, path, !(flags & wxFILE_EXISTS_NO_FOLLOW));
+}
+
+inline
+bool StatAny(wxStructStat& st, const wxFileName& fn)
+{
+ return DoStatAny(st, fn.GetFullPath(), fn.ShouldFollowLink());
+}
+
+#endif // !__WIN32__
+
// ----------------------------------------------------------------------------
// private constants
// ----------------------------------------------------------------------------
m_ext = filepath.GetExt();
m_relative = filepath.m_relative;
m_hasExt = filepath.m_hasExt;
+ m_dontFollowLinks = filepath.m_dontFollowLinks;
}
void wxFileName::Assign(const wxString& volume,
void wxFileName::Clear()
{
- m_dirs.Clear();
-
- m_volume =
- m_name =
- m_ext = wxEmptyString;
+ m_dirs.clear();
+ m_volume.clear();
+ m_name.clear();
+ m_ext.clear();
// we don't have any absolute path for now
m_relative = true;
// nor any extension
m_hasExt = false;
+
+ // follow symlinks by default
+ m_dontFollowLinks = false;
}
/* static */
// existence tests
// ----------------------------------------------------------------------------
-bool wxFileName::FileExists() const
-{
- return wxFileName::FileExists( GetFullPath() );
-}
-
-/* static */
-bool wxFileName::FileExists( const wxString &filePath )
+namespace
{
-#if defined(__WIN32__) && !defined(__WXMICROWIN__)
- // we must use GetFileAttributes() instead of the ANSI C functions because
- // it can cope with network (UNC) paths unlike them
- DWORD ret = ::GetFileAttributes(filePath.t_str());
-
- return (ret != INVALID_FILE_ATTRIBUTES) && !(ret & FILE_ATTRIBUTE_DIRECTORY);
-#else // !__WIN32__
- #ifndef S_ISREG
- #define S_ISREG(mode) ((mode) & S_IFREG)
- #endif
- wxStructStat st;
-
- return (wxStat( filePath, &st) == 0 && S_ISREG(st.st_mode))
-#ifdef __OS2__
- || (errno == EACCES) // if access is denied something with that name
- // exists and is opened in exclusive mode.
-#endif
- ;
-#endif // __WIN32__/!__WIN32__
-}
-bool wxFileName::DirExists() const
-{
- return wxFileName::DirExists( GetPath() );
-}
+#if defined(__WINDOWS__) && !defined(__WXMICROWIN__)
-/* static */
-bool wxFileName::DirExists( const wxString &dirPath )
+void RemoveTrailingSeparatorsFromPath(wxString& strPath)
{
- wxString strPath(dirPath);
-
-#if defined(__WINDOWS__) || defined(__OS2__)
// Windows fails to find directory named "c:\dir\" even if "c:\dir" exists,
// so remove all trailing backslashes from the path - but don't do this for
// the paths "d:\" (which are different from "d:"), for just "\" or for
// windows unique volume names ("\\?\Volume{GUID}\")
- while ( wxEndsWithPathSeparator(strPath) )
+ while ( wxEndsWithPathSeparator( strPath ) )
{
size_t len = strPath.length();
if ( len == 1 || (len == 3 && strPath[len - 2] == wxT(':')) ||
- (len == wxMSWUniqueVolumePrefixLength &&
- wxFileName::IsMSWUniqueVolumeNamePath(strPath)))
+ (len == wxMSWUniqueVolumePrefixLength &&
+ wxFileName::IsMSWUniqueVolumeNamePath(strPath)))
{
break;
}
strPath.Truncate(len - 1);
}
-#endif // __WINDOWS__
+}
-#ifdef __OS2__
- // OS/2 can't handle "d:", it wants either "d:\" or "d:."
- if (strPath.length() == 2 && strPath[1u] == wxT(':'))
- strPath << wxT('.');
-#endif
+#endif // __WINDOWS__ || __OS2__
-#if defined(__WIN32__) && !defined(__WXMICROWIN__)
- // stat() can't cope with network paths
+bool
+wxFileSystemObjectExists(const wxString& path, int flags)
+{
+
+ // Should the existence of file/directory with this name be accepted, i.e.
+ // result in the true return value from this function?
+ const bool acceptFile = (flags & wxFILE_EXISTS_REGULAR) != 0;
+ const bool acceptDir = (flags & wxFILE_EXISTS_DIR) != 0;
+
+ wxString strPath(path);
+
+#if defined(__WINDOWS__) && !defined(__WXMICROWIN__)
+ if ( acceptDir )
+ {
+ // Ensure that the path doesn't have any trailing separators when
+ // checking for directories.
+ RemoveTrailingSeparatorsFromPath(strPath);
+ }
+
+ // we must use GetFileAttributes() instead of the ANSI C functions because
+ // it can cope with network (UNC) paths unlike them
DWORD ret = ::GetFileAttributes(strPath.t_str());
- return (ret != INVALID_FILE_ATTRIBUTES) && (ret & FILE_ATTRIBUTE_DIRECTORY);
+ if ( ret == INVALID_FILE_ATTRIBUTES )
+ return false;
+
+ if ( ret & FILE_ATTRIBUTE_DIRECTORY )
+ return acceptDir;
+
+ // Anything else must be a file (perhaps we should check for
+ // FILE_ATTRIBUTE_REPARSE_POINT?)
+ return acceptFile;
#elif defined(__OS2__)
+ if ( acceptDir )
+ {
+ // OS/2 can't handle "d:", it wants either "d:\" or "d:."
+ if (strPath.length() == 2 && strPath[1u] == wxT(':'))
+ strPath << wxT('.');
+ }
+
FILESTATUS3 Info = {{0}};
APIRET rc = ::DosQueryPathInfo((PSZ)(WXSTRINGCAST strPath), FIL_STANDARD,
- (void*) &Info, sizeof(FILESTATUS3));
+ (void*) &Info, sizeof(FILESTATUS3));
- return ((rc == NO_ERROR) && (Info.attrFile & FILE_DIRECTORY)) ||
- (rc == ERROR_SHARING_VIOLATION);
- // If we got a sharing violation, there must be something with this name.
-#else // !__WIN32__
+ if ( rc == NO_ERROR )
+ {
+ if ( Info.attrFile & FILE_DIRECTORY )
+ return acceptDir;
+ else
+ return acceptFile;
+ }
+
+ // We consider that the path must exist if we get a sharing violation for
+ // it but we don't know what is it in this case.
+ if ( rc == ERROR_SHARING_VIOLATION )
+ return flags & wxFILE_EXISTS_ANY;
+ // Any other error (usually ERROR_PATH_NOT_FOUND), means there is nothing
+ // there.
+ return false;
+#else // Non-MSW, non-OS/2
wxStructStat st;
-#ifndef __VISAGECPP__
- return wxStat(strPath, &st) == 0 && ((st.st_mode & S_IFMT) == S_IFDIR);
-#else
- // S_IFMT not supported in VA compilers.. st_mode is a 2byte value only
- return wxStat(strPath, &st) == 0 && (st.st_mode == S_IFDIR);
-#endif
+ if ( !StatAny(st, strPath, flags) )
+ return false;
-#endif // __WIN32__/!__WIN32__
+ if ( S_ISREG(st.st_mode) )
+ return acceptFile;
+ if ( S_ISDIR(st.st_mode) )
+ return acceptDir;
+ if ( S_ISLNK(st.st_mode) )
+ {
+ // Take care to not test for "!= 0" here as this would erroneously
+ // return true if only wxFILE_EXISTS_NO_FOLLOW, which is part of
+ // wxFILE_EXISTS_SYMLINK, is set too.
+ return (flags & wxFILE_EXISTS_SYMLINK) == wxFILE_EXISTS_SYMLINK;
+ }
+ if ( S_ISBLK(st.st_mode) || S_ISCHR(st.st_mode) )
+ return (flags & wxFILE_EXISTS_DEVICE) != 0;
+ if ( S_ISFIFO(st.st_mode) )
+ return (flags & wxFILE_EXISTS_FIFO) != 0;
+ if ( S_ISSOCK(st.st_mode) )
+ return (flags & wxFILE_EXISTS_SOCKET) != 0;
+
+ return flags & wxFILE_EXISTS_ANY;
+#endif // Platforms
+}
+
+} // anonymous namespace
+
+bool wxFileName::FileExists() const
+{
+ int flags = wxFILE_EXISTS_REGULAR;
+ if ( !ShouldFollowLink() )
+ flags |= wxFILE_EXISTS_NO_FOLLOW;
+
+ return wxFileSystemObjectExists(GetFullPath(), flags);
+}
+
+/* static */
+bool wxFileName::FileExists( const wxString &filePath )
+{
+ return wxFileSystemObjectExists(filePath, wxFILE_EXISTS_REGULAR);
+}
+
+bool wxFileName::DirExists() const
+{
+ int flags = wxFILE_EXISTS_DIR;
+ if ( !ShouldFollowLink() )
+ flags |= wxFILE_EXISTS_NO_FOLLOW;
+
+ return Exists(GetPath(), flags);
+}
+
+/* static */
+bool wxFileName::DirExists( const wxString &dirPath )
+{
+ return wxFileSystemObjectExists(dirPath, wxFILE_EXISTS_DIR);
+}
+
+bool wxFileName::Exists(int flags) const
+{
+ // Notice that wxFILE_EXISTS_NO_FOLLOW may be specified in the flags even
+ // if our DontFollowLink() hadn't been called and we do honour it then. But
+ // if the user took the care of calling DontFollowLink(), it is always
+ // taken into account.
+ if ( !ShouldFollowLink() )
+ flags |= wxFILE_EXISTS_NO_FOLLOW;
+
+ return wxFileSystemObjectExists(GetFullPath(), flags);
+}
+
+/* static */
+bool wxFileName::Exists(const wxString& path, int flags)
+{
+ return wxFileSystemObjectExists(path, flags);
}
// ----------------------------------------------------------------------------
DWORD attributes = FILE_ATTRIBUTE_TEMPORARY |
FILE_FLAG_DELETE_ON_CLOSE;
- HANDLE h = ::CreateFile(filename.fn_str(), access, 0, NULL,
+ HANDLE h = ::CreateFile(filename.t_str(), access, 0, NULL,
disposition, attributes, NULL);
return wxOpenOSFHandle(h, wxO_BINARY);
}
#else // !HAVE_MKTEMP (includes __DOS__)
// generate the unique file name ourselves
- #if !defined(__DOS__) && (!defined(__MWERKS__) || defined(__DARWIN__) )
+ #if !defined(__DOS__)
path << (unsigned int)getpid();
#endif
bool wxFileName::Rmdir(const wxString& dir, int flags)
{
-#ifdef __WXMSW__
+#ifdef __WINDOWS__
if ( flags & wxPATH_RMDIR_RECURSIVE )
{
// SHFileOperation needs double null termination string
SHFILEOPSTRUCT fileop;
wxZeroMemory(fileop);
fileop.wFunc = FO_DELETE;
- #if defined(__CYGWIN__) && defined(wxUSE_UNICODE)
- fileop.pFrom = path.wc_str();
- #else
- fileop.pFrom = path.fn_str();
- #endif
+ fileop.pFrom = path.t_str();
fileop.fFlags = FOF_SILENT | FOF_NOCONFIRMATION;
#ifndef __WXWINCE__
// FOF_NOERRORUI is not defined in WinCE
return true;
}
else if ( flags & wxPATH_RMDIR_FULL )
-#else // !__WXMSW__
+#else // !__WINDOWS__
if ( flags != 0 ) // wxPATH_RMDIR_FULL or wxPATH_RMDIR_RECURSIVE
-#endif // !__WXMSW__
+#endif // !__WINDOWS__
{
+#ifndef __WINDOWS__
+ if ( flags & wxPATH_RMDIR_RECURSIVE )
+ {
+ // When deleting the tree recursively, we are supposed to delete
+ // this directory itself even when it is a symlink -- but without
+ // following it. Do it here as wxRmdir() would simply follow if
+ // called for a symlink.
+ if ( wxFileName::Exists(dir, wxFILE_EXISTS_SYMLINK) )
+ {
+ return wxRemoveFile(dir);
+ }
+ }
+#endif // !__WINDOWS__
+
wxString path(dir);
if ( path.Last() != wxFILE_SEP_PATH )
path += wxFILE_SEP_PATH;
wxString filename;
- // first delete all subdirectories
- bool cont = d.GetFirst(&filename, "", wxDIR_DIRS | wxDIR_HIDDEN);
+ // First delete all subdirectories: notice that we don't follow
+ // symbolic links, potentially leading outside this directory, to avoid
+ // unpleasant surprises.
+ bool cont = d.GetFirst(&filename, wxString(),
+ wxDIR_DIRS | wxDIR_HIDDEN | wxDIR_NO_FOLLOW);
while ( cont )
{
wxFileName::Rmdir(path + filename, flags);
cont = d.GetNext(&filename);
}
-#ifndef __WXMSW__
+#ifndef __WINDOWS__
if ( flags & wxPATH_RMDIR_RECURSIVE )
{
- // delete all files too
- cont = d.GetFirst(&filename, "", wxDIR_FILES | wxDIR_HIDDEN);
+ // Delete all files too and, for the same reasons as above, don't
+ // follow symlinks which could refer to the files outside of this
+ // directory and just delete the symlinks themselves.
+ cont = d.GetFirst(&filename, wxString(),
+ wxDIR_FILES | wxDIR_HIDDEN | wxDIR_NO_FOLLOW);
while ( cont )
{
::wxRemoveFile(path + filename);
cont = d.GetNext(&filename);
}
}
-#endif // !__WXMSW__
+#endif // !__WINDOWS__
}
return ::wxRmdir(dir);
// quotation marks."
#if defined(__WIN32__) && !defined(__WXWINCE__) && wxUSE_OLE
-// The following lines are necessary under WinCE
-// #include "wx/msw/private.h"
-// #include <ole2.h>
-#include <shlobj.h>
-#if defined(__WXWINCE__)
-#include <shlguid.h>
-#endif
bool wxFileName::GetShortcutTarget(const wxString& shortcutPath,
wxString& targetFilename,
if ( fn1.GetFullPath() == fn2.GetFullPath() )
return true;
- // TODO: compare inodes for Unix, this works even when filenames are
- // different but files are the same (symlinks) (VZ)
+#if defined(__UNIX__)
+ wxStructStat st1, st2;
+ if ( StatAny(st1, fn1) && StatAny(st2, fn2) )
+ {
+ if ( st1.st_ino == st2.st_ino && st1.st_dev == st2.st_dev )
+ return true;
+ }
+ //else: It's not an error if one or both files don't exist.
+#endif // defined __UNIX__
return false;
}
/* static */
bool wxFileName::IsCaseSensitive( wxPathFormat format )
{
- // only Unix filenames are truely case-sensitive
+ // only Unix filenames are truly case-sensitive
return GetFormat(format) == wxPATH_UNIX;
}
case wxPATH_MAC:
// On a Mac even names with * and ? are allowed (Tested with OS
// 9.2.1 and OS X 10.2.5)
- strForbiddenChars = wxEmptyString;
+ strForbiddenChars.clear();
break;
case wxPATH_DOS:
return true;
}
-void wxFileName::AppendDir( const wxString& dir )
+bool wxFileName::AppendDir( const wxString& dir )
{
- if ( IsValidDirComponent(dir) )
- m_dirs.Add( dir );
+ if (!IsValidDirComponent(dir))
+ return false;
+ m_dirs.Add(dir);
+ return true;
}
void wxFileName::PrependDir( const wxString& dir )
InsertDir(0, dir);
}
-void wxFileName::InsertDir(size_t before, const wxString& dir)
+bool wxFileName::InsertDir(size_t before, const wxString& dir)
{
- if ( IsValidDirComponent(dir) )
- m_dirs.Insert(dir, before);
+ if (!IsValidDirComponent(dir))
+ return false;
+ m_dirs.Insert(dir, before);
+ return true;
}
void wxFileName::RemoveDir(size_t pos)
{
wxString path(GetFullPath());
-#if defined(__WXMSW__) && defined(__WIN32__) && !defined(__WXMICROWIN__) && !defined(__WXWINCE__)
+#if defined(__WINDOWS__) && defined(__WIN32__) && !defined(__WXMICROWIN__) && !defined(__WXWINCE__)
DWORD sz = ::GetShortPathName(path.t_str(), NULL, 0);
if ( sz != 0 )
{
GetVolumeSeparator(wxPATH_DOS) +
GetPathSeparator(wxPATH_DOS);
else
- pathOut = wxEmptyString;
+ pathOut.clear();
wxArrayString dirs = GetDirs();
dirs.Add(GetFullName());
{
if (format == wxPATH_NATIVE)
{
-#if defined(__WXMSW__) || defined(__OS2__) || defined(__DOS__)
+#if defined(__WINDOWS__) || defined(__OS2__) || defined(__DOS__)
format = wxPATH_DOS;
#elif defined(__VMS)
format = wxPATH_VMS;
#elif defined(__UNIX_LIKE__) || defined(__WXMAC__) || defined(__OS2__) || (defined(__DOS__) && defined(__WATCOMC__))
// no need to test for IsDir() here
wxStructStat stBuf;
- if ( wxStat( GetFullPath(), &stBuf) == 0 )
+ if ( StatAny(stBuf, *this) )
{
+ // Android defines st_*time fields as unsigned long, but time_t as long,
+ // hence the static_casts.
if ( dtAccess )
- dtAccess->Set(stBuf.st_atime);
+ dtAccess->Set(static_cast<time_t>(stBuf.st_atime));
if ( dtMod )
- dtMod->Set(stBuf.st_mtime);
+ dtMod->Set(static_cast<time_t>(stBuf.st_mtime));
if ( dtCreate )
- dtCreate->Set(stBuf.st_ctime);
+ dtCreate->Set(static_cast<time_t>(stBuf.st_ctime));
return true;
}
projects / wxWidgets.git / blobdiff