X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/e0a050e347b1ece07ad5f165ba1b1d16edbeae77..39c0d6d6b6682b1847881d1e2662a4ccdec83ec8:/src/common/filename.cpp diff --git a/src/common/filename.cpp b/src/common/filename.cpp index 295725c32f..d538ebcc38 100644 --- a/src/common/filename.cpp +++ b/src/common/filename.cpp @@ -4,7 +4,6 @@ // Author: Robert Roebling, Vadim Zeitlin // Modified by: // Created: 28.12.2000 -// RCS-ID: $Id$ // Copyright: (c) 2000 Robert Roebling // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// @@ -22,9 +21,18 @@ drive:\dir1\dir2\...\dirN\filename.ext where drive is a single letter. "." and ".." as for Unix but no "~". - There are also UNC names of the form \\share\fullpath + There are also UNC names of the form \\share\fullpath and + MSW unique volume names of the form \\?\Volume{GUID}\fullpath. - wxPATH_MAC: Mac OS 8/9 and Mac OS X under CodeWarrior 7 format, absolute file + The latter provide a uniform way to access a volume regardless of + its current mount point, i.e. you can change a volume's mount + point from D: to E:, or even remove it, and still be able to + access it through its unique volume name. More on the subject can + be found in MSDN's article "Naming a Volume" that is currently at + http://msdn.microsoft.com/en-us/library/aa365248(VS.85).aspx. + + + 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 @@ -68,7 +76,7 @@ #endif #ifndef WX_PRECOMP - #ifdef __WXMSW__ + #ifdef __WINDOWS__ #include "wx/msw/wrapwin.h" // For GetShort/LongPathName #endif #include "wx/dynarray.h" @@ -83,17 +91,21 @@ #include "wx/tokenzr.h" #include "wx/config.h" // for wxExpandEnvVars #include "wx/dynlib.h" +#include "wx/dir.h" +#include "wx/longlong.h" #if defined(__WIN32__) && defined(__MINGW32__) #include "wx/msw/gccpriv.h" #endif -#ifdef __WXWINCE__ -#include "wx/msw/private.h" +#ifdef __WINDOWS__ + #include "wx/msw/private.h" + #include // for CLSID_ShellLink + #include "wx/msw/missing.h" #endif #if defined(__WXMAC__) - #include "wx/mac/private.h" // includes mac headers + #include "wx/osx/private.h" // includes mac headers #endif // utime() is POSIX so should normally be available on all Unices @@ -108,19 +120,6 @@ #include #endif -#ifdef __MWERKS__ -#ifdef __MACH__ -#include -#include -#include -#include -#else -#include -#include -#include -#endif -#endif - #ifdef __WATCOMC__ #include #include @@ -138,9 +137,19 @@ #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 -wxULongLong wxInvalidSize = (unsigned)-1; +#if wxUSE_LONGLONG +extern const wxULongLong wxInvalidSize = (unsigned)-1; +#endif // wxUSE_LONGLONG +namespace +{ // ---------------------------------------------------------------------------- // private classes @@ -155,33 +164,41 @@ class wxFileHandle public: enum OpenMode { - Read, - Write + ReadAttr, + WriteAttr }; - wxFileHandle(const wxString& filename, OpenMode mode) + wxFileHandle(const wxString& filename, OpenMode mode, int flags = 0) { + // be careful and use FILE_{READ,WRITE}_ATTRIBUTES here instead of the + // usual GENERIC_{READ,WRITE} as we don't want the file access time to + // be changed when we open it because this class is used for setting + // access time (see #10567) m_hFile = ::CreateFile ( - filename.fn_str(), // name - mode == Read ? GENERIC_READ // access mask - : GENERIC_WRITE, + filename.t_str(), // name + mode == ReadAttr ? FILE_READ_ATTRIBUTES // access mask + : FILE_WRITE_ATTRIBUTES, FILE_SHARE_READ | // sharing mode FILE_SHARE_WRITE, // (allow everything) NULL, // no secutity attr OPEN_EXISTING, // creation disposition - 0, // no flags + flags, // flags NULL // no template file ); if ( m_hFile == INVALID_HANDLE_VALUE ) { - if ( mode == Read ) + if ( mode == ReadAttr ) + { wxLogSysError(_("Failed to open '%s' for reading"), filename.c_str()); + } else + { wxLogSysError(_("Failed to open '%s' for writing"), filename.c_str()); + } } } @@ -214,49 +231,30 @@ private: #if wxUSE_DATETIME && defined(__WIN32__) && !defined(__WXMICROWIN__) -// convert between wxDateTime and FILETIME which is a 64-bit value representing -// the number of 100-nanosecond intervals since January 1, 1601. +// Convert between wxDateTime and FILETIME which is a 64-bit value representing +// the number of 100-nanosecond intervals since January 1, 1601 UTC. +// +// This is the offset between FILETIME epoch and the Unix/wxDateTime Epoch. +static wxInt64 EPOCH_OFFSET_IN_MSEC = wxLL(11644473600000); static void ConvertFileTimeToWx(wxDateTime *dt, const FILETIME &ft) { - FILETIME ftcopy = ft; - FILETIME ftLocal; - if ( !::FileTimeToLocalFileTime(&ftcopy, &ftLocal) ) - { - wxLogLastError(_T("FileTimeToLocalFileTime")); - } + wxLongLong t(ft.dwHighDateTime, ft.dwLowDateTime); + t /= 10000; // Convert hundreds of nanoseconds to milliseconds. + t -= EPOCH_OFFSET_IN_MSEC; - SYSTEMTIME st; - if ( !::FileTimeToSystemTime(&ftLocal, &st) ) - { - wxLogLastError(_T("FileTimeToSystemTime")); - } - - dt->Set(st.wDay, wxDateTime::Month(st.wMonth - 1), st.wYear, - st.wHour, st.wMinute, st.wSecond, st.wMilliseconds); + *dt = wxDateTime(t); } static void ConvertWxToFileTime(FILETIME *ft, const wxDateTime& dt) { - SYSTEMTIME st; - st.wDay = dt.GetDay(); - st.wMonth = (WORD)(dt.GetMonth() + 1); - st.wYear = (WORD)dt.GetYear(); - st.wHour = dt.GetHour(); - st.wMinute = dt.GetMinute(); - st.wSecond = dt.GetSecond(); - st.wMilliseconds = dt.GetMillisecond(); - - FILETIME ftLocal; - if ( !::SystemTimeToFileTime(&st, &ftLocal) ) - { - wxLogLastError(_T("SystemTimeToFileTime")); - } + // Undo the conversions above. + wxLongLong t(dt.GetValue()); + t += EPOCH_OFFSET_IN_MSEC; + t *= 10000; - if ( !::LocalFileTimeToFileTime(&ftLocal, ft) ) - { - wxLogLastError(_T("LocalFileTimeToFileTime")); - } + ft->dwHighDateTime = t.GetHi(); + ft->dwLowDateTime = t.GetLo(); } #endif // wxUSE_DATETIME && __WIN32__ @@ -276,7 +274,18 @@ static wxString wxGetVolumeString(const wxString& volume, wxPathFormat format) // although I didn't find any authoritative docs on this) if ( format == wxPATH_DOS && volume.length() > 1 ) { - path << wxFILE_SEP_PATH_DOS << wxFILE_SEP_PATH_DOS << volume; + // We also have to check for Windows unique volume names here and + // return it with '\\?\' prepended to it + if ( wxFileName::IsMSWUniqueVolumeNamePath("\\\\?\\" + volume + "\\", + format) ) + { + path << "\\\\?\\" << volume; + } + else + { + // it must be a UNC path + path << wxFILE_SEP_PATH_DOS << wxFILE_SEP_PATH_DOS << volume; + } } else if ( format == wxPATH_DOS || format == wxPATH_VMS ) { @@ -288,17 +297,83 @@ static wxString wxGetVolumeString(const wxString& volume, wxPathFormat format) return path; } +// return true if the character is a DOS path separator i.e. either a slash or +// a backslash +inline bool IsDOSPathSep(wxUniChar ch) +{ + return ch == wxFILE_SEP_PATH_DOS || ch == wxFILE_SEP_PATH_UNIX; +} + // return true if the format used is the DOS/Windows one and the string looks // like a UNC path static bool IsUNCPath(const wxString& path, wxPathFormat format) { return format == wxPATH_DOS && path.length() >= 4 && // "\\a" can't be a UNC path - path[0u] == wxFILE_SEP_PATH_DOS && - path[1u] == wxFILE_SEP_PATH_DOS && - path[2u] != wxFILE_SEP_PATH_DOS; + IsDOSPathSep(path[0u]) && + IsDOSPathSep(path[1u]) && + !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 +// ---------------------------------------------------------------------------- + +// length of \\?\Volume{xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx}\ string +static const size_t wxMSWUniqueVolumePrefixLength = 49; + +} // anonymous namespace + // ============================================================================ // implementation // ============================================================================ @@ -315,6 +390,7 @@ void wxFileName::Assign( const wxFileName &filepath ) 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, @@ -378,6 +454,13 @@ void wxFileName::SetPath( const wxString& pathOrig, wxPathFormat format ) } // 1) Determine if the path is relative or absolute. + + if ( path.empty() ) + { + // we had only the volume + return; + } + wxChar leadingChar = path[0u]; switch (format) @@ -405,12 +488,11 @@ void wxFileName::SetPath( const wxString& pathOrig, wxPathFormat format ) break; default: - wxFAIL_MSG( _T("Unknown path format") ); + wxFAIL_MSG( wxT("Unknown path format") ); // !! Fall through !! case wxPATH_UNIX: - // the paths of the form "~" or "~username" are absolute - m_relative = leadingChar != wxT('/') && leadingChar != _T('~'); + m_relative = leadingChar != wxT('/'); break; case wxPATH_DOS: @@ -469,27 +551,22 @@ void wxFileName::Assign(const wxString& fullpathOrig, wxString volume, path, name, ext; bool hasExt; - // do some consistency checks in debug mode: the name should be really just - // the filename and the path should be really just a path -#ifdef __WXDEBUG__ + // do some consistency checks: the name should be really just the filename + // and the path should be really just a path wxString volDummy, pathDummy, nameDummy, extDummy; SplitPath(fullname, &volDummy, &pathDummy, &name, &ext, &hasExt, format); wxASSERT_MSG( volDummy.empty() && pathDummy.empty(), - _T("the file name shouldn't contain the path") ); + wxT("the file name shouldn't contain the path") ); SplitPath(fullpath, &volume, &path, &nameDummy, &extDummy, format); - wxASSERT_MSG( nameDummy.empty() && extDummy.empty(), - _T("the path shouldn't contain file name nor extension") ); - -#else // !__WXDEBUG__ - SplitPath(fullname, NULL /* no volume */, NULL /* no path */, - &name, &ext, &hasExt, format); - SplitPath(fullpath, &volume, &path, NULL, NULL, format); -#endif // __WXDEBUG__/!__WXDEBUG__ - +#ifndef __VMS + // This test makes no sense on an OpenVMS system. + wxASSERT_MSG( nameDummy.empty() && extDummy.empty(), + wxT("the path shouldn't contain file name nor extension") ); +#endif Assign(volume, path, name, ext, hasExt, format); } @@ -512,17 +589,19 @@ void wxFileName::AssignDir(const wxString& dir, wxPathFormat format) 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 */ @@ -543,24 +622,168 @@ wxFileName wxFileName::DirName(const wxString& dir, wxPathFormat format) // existence tests // ---------------------------------------------------------------------------- +namespace +{ + +#if defined(__WINDOWS__) && !defined(__WXMICROWIN__) + +void RemoveTrailingSeparatorsFromPath(wxString& strPath) +{ + // 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 ) ) + { + size_t len = strPath.length(); + if ( len == 1 || (len == 3 && strPath[len - 2] == wxT(':')) || + (len == wxMSWUniqueVolumePrefixLength && + wxFileName::IsMSWUniqueVolumeNamePath(strPath))) + { + break; + } + + strPath.Truncate(len - 1); + } +} + +#endif // __WINDOWS__ || __OS2__ + +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()); + + 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)); + + 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; + if ( !StatAny(st, strPath, flags) ) + return false; + + 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 { - return wxFileName::FileExists( GetFullPath() ); + int flags = wxFILE_EXISTS_REGULAR; + if ( !ShouldFollowLink() ) + flags |= wxFILE_EXISTS_NO_FOLLOW; + + return wxFileSystemObjectExists(GetFullPath(), flags); } -bool wxFileName::FileExists( const wxString &file ) +/* static */ +bool wxFileName::FileExists( const wxString &filePath ) { - return ::wxFileExists( file ); + return wxFileSystemObjectExists(filePath, wxFILE_EXISTS_REGULAR); } bool wxFileName::DirExists() const { - return wxFileName::DirExists( GetPath() ); + int flags = wxFILE_EXISTS_DIR; + if ( !ShouldFollowLink() ) + flags |= wxFILE_EXISTS_NO_FOLLOW; + + return Exists(GetPath(), flags); } -bool wxFileName::DirExists( const wxString &dir ) +/* static */ +bool wxFileName::DirExists( const wxString &dirPath ) { - return ::wxDirExists( dir ); + 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); } // ---------------------------------------------------------------------------- @@ -596,7 +819,7 @@ wxString wxFileName::GetCwd(const wxString& volume) return cwd; } -bool wxFileName::SetCwd() +bool wxFileName::SetCwd() const { return wxFileName::SetCwd( GetPath() ); } @@ -650,7 +873,7 @@ static int wxOpenWithDeleteOnClose(const wxString& filename) 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); @@ -680,12 +903,12 @@ static bool wxTempOpen(wxFFile *file, const wxString& path, bool *deleteOnClose) { #ifndef wx_fdopen *deleteOnClose = false; - return file->Open(path, _T("w+b")); + return file->Open(path, wxT("w+b")); #else // wx_fdopen int fd = wxTempOpen(path, deleteOnClose); if (fd == -1) return false; - file->Attach(wx_fdopen(fd, "w+b")); + file->Attach(wx_fdopen(fd, "w+b"), path); return file->IsOpened(); #endif // wx_fdopen } @@ -745,10 +968,10 @@ static wxString wxCreateTempImpl( } #elif defined(__WINDOWS__) && !defined(__WXMICROWIN__) - if ( !::GetTempFileName(dir.fn_str(), name.fn_str(), 0, - wxStringBuffer(path, MAX_PATH + 1)) ) + if (!::GetTempFileName(dir.t_str(), name.t_str(), 0, + wxStringBuffer(path, MAX_PATH + 1))) { - wxLogLastError(_T("GetTempFileName")); + wxLogLastError(wxT("GetTempFileName")); path.clear(); } @@ -766,7 +989,7 @@ static wxString wxCreateTempImpl( #if defined(HAVE_MKSTEMP) // scratch space for mkstemp() - path += _T("XXXXXX"); + path += wxT("XXXXXX"); // we need to copy the path to the buffer in which mkstemp() can modify it wxCharBuffer buf(path.fn_str()); @@ -796,9 +1019,9 @@ static wxString wxCreateTempImpl( if ( ffileTemp ) { #ifdef wx_fdopen - ffileTemp->Attach(wx_fdopen(fdTemp, "r+b")); + ffileTemp->Attach(wx_fdopen(fdTemp, "r+b"), path); #else - ffileTemp->Open(path, _T("r+b")); + ffileTemp->Open(path, wxT("r+b")); close(fdTemp); #endif } @@ -813,7 +1036,7 @@ static wxString wxCreateTempImpl( #ifdef HAVE_MKTEMP // same as above - path += _T("XXXXXX"); + path += wxT("XXXXXX"); wxCharBuffer buf = wxConvFile.cWX2MB( path ); if ( !mktemp( (char*)(const char*) buf ) ) @@ -826,7 +1049,7 @@ static wxString wxCreateTempImpl( } #else // !HAVE_MKTEMP (includes __DOS__) // generate the unique file name ourselves - #if !defined(__DOS__) && !defined(__PALMOS__) && (!defined(__MWERKS__) || defined(__DARWIN__) ) + #if !defined(__DOS__) path << (unsigned int)getpid(); #endif @@ -836,7 +1059,7 @@ static wxString wxCreateTempImpl( for ( size_t n = 0; n < numTries; n++ ) { // 3 hex digits is enough for numTries == 1000 < 4096 - pathTry = path + wxString::Format(_T("%.03x"), (unsigned int) n); + pathTry = path + wxString::Format(wxT("%.03x"), (unsigned int) n); if ( !wxFileName::FileExists(pathTry) ) { break; @@ -1024,60 +1247,75 @@ wxFileName::CreateTempFileName(const wxString& prefix, wxFFile *fileTemp) // directory operations // ---------------------------------------------------------------------------- -wxString wxFileName::GetTempDir() +// helper of GetTempDir(): check if the given directory exists and return it if +// it does or an empty string otherwise +namespace { - wxString dir; - dir = wxGetenv(_T("TMPDIR")); - if (dir.empty()) - { - dir = wxGetenv(_T("TMP")); - if (dir.empty()) - { - dir = wxGetenv(_T("TEMP")); - } - } -#if defined(__WXWINCE__) - if (dir.empty()) +wxString CheckIfDirExists(const wxString& dir) +{ + return wxFileName::DirExists(dir) ? dir : wxString(); +} + +} // anonymous namespace + +wxString wxFileName::GetTempDir() +{ + // first try getting it from environment: this allows overriding the values + // used by default if the user wants to create temporary files in another + // directory + wxString dir = CheckIfDirExists(wxGetenv("TMPDIR")); + if ( dir.empty() ) { - // FIXME. Create \temp dir? - if (DirExists(wxT("\\temp"))) - dir = wxT("\\temp"); + dir = CheckIfDirExists(wxGetenv("TMP")); + if ( dir.empty() ) + dir = CheckIfDirExists(wxGetenv("TEMP")); } -#elif defined(__WINDOWS__) && !defined(__WXMICROWIN__) + // if no environment variables are set, use the system default if ( dir.empty() ) { +#if defined(__WXWINCE__) + dir = CheckIfDirExists(wxT("\\temp")); +#elif defined(__WINDOWS__) && !defined(__WXMICROWIN__) if ( !::GetTempPath(MAX_PATH, wxStringBuffer(dir, MAX_PATH + 1)) ) { - wxLogLastError(_T("GetTempPath")); + wxLogLastError(wxT("GetTempPath")); } - - if ( dir.empty() ) +#elif defined(__WXMAC__) && wxOSX_USE_CARBON + dir = wxMacFindFolderNoSeparator(short(kOnSystemDisk), kTemporaryFolderType, kCreateFolder); +#endif // systems with native way + } + else // we got directory from an environment variable + { + // remove any trailing path separators, we don't want to ever return + // them from this function for consistency + const size_t lastNonSep = dir.find_last_not_of(GetPathSeparators()); + if ( lastNonSep == wxString::npos ) { - // GetTempFileName() fails if we pass it an empty string - dir = _T('.'); + // the string consists entirely of separators, leave only one + dir = GetPathSeparator(); + } + else + { + dir.erase(lastNonSep + 1); } } -#else // !Windows + // fall back to hard coded value if ( dir.empty() ) { - // default -#if defined(__DOS__) || defined(__OS2__) - dir = _T("."); -#elif defined(__WXMAC__) - dir = wxMacFindFolder(short(kOnSystemDisk), kTemporaryFolderType, kCreateFolder); -#else - dir = _T("/tmp"); -#endif +#ifdef __UNIX_LIKE__ + dir = CheckIfDirExists("/tmp"); + if ( dir.empty() ) +#endif // __UNIX_LIKE__ + dir = "."; } -#endif return dir; } -bool wxFileName::Mkdir( int perm, int flags ) +bool wxFileName::Mkdir( int perm, int flags ) const { return wxFileName::Mkdir(GetPath(), perm, flags); } @@ -1100,14 +1338,7 @@ bool wxFileName::Mkdir( const wxString& dir, int perm, int flags ) size_t count = dirs.GetCount(); for ( size_t i = 0; i < count; i++ ) { - if ( i > 0 || -#if defined(__WXMAC__) && !defined(__DARWIN__) - // relative pathnames are exactely the other way round under mac... - !filename.IsAbsolute() -#else - filename.IsAbsolute() -#endif - ) + if ( i > 0 || filename.IsAbsolute() ) currPath += wxFILE_SEP_PATH; currPath += dirs[i]; @@ -1128,14 +1359,103 @@ bool wxFileName::Mkdir( const wxString& dir, int perm, int flags ) return ::wxMkdir( dir, perm ); } -bool wxFileName::Rmdir() +bool wxFileName::Rmdir(int flags) const { - return wxFileName::Rmdir( GetPath() ); + return wxFileName::Rmdir( GetPath(), flags ); } -bool wxFileName::Rmdir( const wxString &dir ) +bool wxFileName::Rmdir(const wxString& dir, int flags) { - return ::wxRmdir( dir ); +#ifdef __WINDOWS__ + if ( flags & wxPATH_RMDIR_RECURSIVE ) + { + // SHFileOperation needs double null termination string + // but without separator at the end of the path + wxString path(dir); + if ( path.Last() == wxFILE_SEP_PATH ) + path.RemoveLast(); + path += wxT('\0'); + + SHFILEOPSTRUCT fileop; + wxZeroMemory(fileop); + fileop.wFunc = FO_DELETE; + fileop.pFrom = path.t_str(); + fileop.fFlags = FOF_SILENT | FOF_NOCONFIRMATION; + #ifndef __WXWINCE__ + // FOF_NOERRORUI is not defined in WinCE + fileop.fFlags |= FOF_NOERRORUI; + #endif + + int ret = SHFileOperation(&fileop); + if ( ret != 0 ) + { + // SHFileOperation may return non-Win32 error codes, so the error + // message can be incorrect + wxLogApiError(wxT("SHFileOperation"), ret); + return false; + } + + return true; + } + else if ( flags & wxPATH_RMDIR_FULL ) +#else // !__WINDOWS__ + if ( flags != 0 ) // wxPATH_RMDIR_FULL or wxPATH_RMDIR_RECURSIVE +#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; + + wxDir d(path); + + if ( !d.IsOpened() ) + return false; + + wxString filename; + + // 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 __WINDOWS__ + if ( flags & wxPATH_RMDIR_RECURSIVE ) + { + // 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 // !__WINDOWS__ + } + + return ::wxRmdir(dir); } // ---------------------------------------------------------------------------- @@ -1157,7 +1477,6 @@ bool wxFileName::Normalize(int flags, } } - // the existing path components wxArrayString dirs = GetDirs(); @@ -1180,25 +1499,15 @@ bool wxFileName::Normalize(int flags, } // handle ~ stuff under Unix only - if ( (format == wxPATH_UNIX) && (flags & wxPATH_NORM_TILDE) ) + if ( (format == wxPATH_UNIX) && (flags & wxPATH_NORM_TILDE) && m_relative ) { if ( !dirs.IsEmpty() ) { wxString dir = dirs[0u]; - if ( !dir.empty() && dir[0u] == _T('~') ) + if ( !dir.empty() && dir[0u] == wxT('~') ) { // to make the path absolute use the home directory curDir.AssignDir(wxGetUserHome(dir.c_str() + 1)); - - // if we are expanding the tilde, then this path - // *should* be already relative (since we checked for - // the tilde only in the first char of the first dir); - // if m_relative==false, it's because it was initialized - // from a string which started with /~; in that case - // we reach this point but then need m_relative=true - // for relative->absolute expansion later - m_relative = true; - dirs.RemoveAt(0u); } } @@ -1227,7 +1536,7 @@ bool wxFileName::Normalize(int flags, // if we used e.g. tilde expansion previously and wxGetUserHome didn't // return for some reason an absolute path, then curDir maybe not be absolute! - if ( curDir.IsAbsolute(format) ) + if ( !curDir.m_relative ) { // we have prepended an absolute path and thus we are now an absolute // file name too @@ -1254,23 +1563,27 @@ bool wxFileName::Normalize(int flags, if ( dir == wxT("..") ) { - if ( m_dirs.IsEmpty() ) + if ( m_dirs.empty() ) { - wxLogError(_("The path '%s' contains too many \"..\"!"), - GetFullPath().c_str()); - return false; - } + // We have more ".." than directory components so far. + // Don't treat this as an error as the path could have been + // entered by user so try to handle it reasonably: if the + // path is absolute, just ignore the extra ".." because + // "/.." is the same as "/". Otherwise, i.e. for relative + // paths, keep ".." unchanged because removing it would + // modify the file a relative path refers to. + if ( !m_relative ) + continue; - m_dirs.RemoveAt(m_dirs.GetCount() - 1); - continue; + } + else // Normal case, go one step up. + { + m_dirs.pop_back(); + continue; + } } } - if ( (flags & wxPATH_NORM_CASE) && !IsCaseSensitive(format) ) - { - dir.MakeLower(); - } - m_dirs.Add(dir); } @@ -1280,32 +1593,77 @@ bool wxFileName::Normalize(int flags, wxString filename; if (GetShortcutTarget(GetFullPath(format), filename)) { - // Repeat this since we may now have a new path - if ( (flags & wxPATH_NORM_CASE) && !IsCaseSensitive(format) ) - { - filename.MakeLower(); - } m_relative = false; Assign(filename); } } #endif - if ( (flags & wxPATH_NORM_CASE) && !IsCaseSensitive(format) ) +#if defined(__WIN32__) + if ( (flags & wxPATH_NORM_LONG) && (format == wxPATH_DOS) ) { - // VZ: expand env vars here too? + Assign(GetLongPath()); + } +#endif // Win32 + // Change case (this should be kept at the end of the function, to ensure + // that the path doesn't change any more after we normalize its case) + if ( (flags & wxPATH_NORM_CASE) && !IsCaseSensitive(format) ) + { m_volume.MakeLower(); m_name.MakeLower(); m_ext.MakeLower(); - } -#if defined(__WIN32__) - if ( (flags & wxPATH_NORM_LONG) && (format == wxPATH_DOS) ) - { - Assign(GetLongPath()); + // directory entries must be made lower case as well + count = m_dirs.GetCount(); + for ( size_t i = 0; i < count; i++ ) + { + m_dirs[i].MakeLower(); + } } -#endif // Win32 + + return true; +} + +#ifndef __WXWINCE__ +bool wxFileName::ReplaceEnvVariable(const wxString& envname, + const wxString& replacementFmtString, + wxPathFormat format) +{ + // look into stringForm for the contents of the given environment variable + wxString val; + if (envname.empty() || + !wxGetEnv(envname, &val)) + return false; + if (val.empty()) + return false; + + wxString stringForm = GetPath(wxPATH_GET_VOLUME, format); + // do not touch the file name and the extension + + wxString replacement = wxString::Format(replacementFmtString, envname); + stringForm.Replace(val, replacement); + + // Now assign ourselves the modified path: + Assign(stringForm, GetFullName(), format); + + return true; +} +#endif + +bool wxFileName::ReplaceHomeDir(wxPathFormat format) +{ + wxString homedir = wxGetHomeDir(); + if (homedir.empty()) + return false; + + wxString stringForm = GetPath(wxPATH_GET_VOLUME, format); + // do not touch the file name and the extension + + stringForm.Replace(homedir, "~"); + + // Now assign ourselves the modified path: + Assign(stringForm, GetFullName(), format); return true; } @@ -1326,20 +1684,13 @@ bool wxFileName::Normalize(int flags, // quotation marks." #if defined(__WIN32__) && !defined(__WXWINCE__) && wxUSE_OLE -// The following lines are necessary under WinCE -// #include "wx/msw/private.h" -// #include -#include -#if defined(__WXWINCE__) -#include -#endif bool wxFileName::GetShortcutTarget(const wxString& shortcutPath, wxString& targetFilename, - wxString* arguments) + wxString* arguments) const { wxString path, file, ext; - wxSplitPath(shortcutPath, & path, & file, & ext); + wxFileName::SplitPath(shortcutPath, & path, & file, & ext); HRESULT hres; IShellLink* psl; @@ -1402,6 +1753,18 @@ bool wxFileName::GetShortcutTarget(const wxString& shortcutPath, bool wxFileName::IsAbsolute(wxPathFormat format) const { + // unix paths beginning with ~ are reported as being absolute + if ( format == wxPATH_UNIX ) + { + if ( !m_dirs.IsEmpty() ) + { + wxString dir = m_dirs[0u]; + + if (!dir.empty() && dir[0u] == wxT('~')) + return true; + } + } + // if our path doesn't start with a path separator, it's not an absolute // path if ( m_relative ) @@ -1410,7 +1773,7 @@ bool wxFileName::IsAbsolute(wxPathFormat format) const if ( !GetVolumeSeparator(format).empty() ) { // this format has volumes and an absolute path must have one, it's not - // enough to have the full path to bean absolute file under Windows + // enough to have the full path to be an absolute file under Windows if ( GetVolume().empty() ) return false; } @@ -1461,7 +1824,7 @@ bool wxFileName::MakeRelativeTo(const wxString& pathBase, wxPathFormat format) // files) if ( m_dirs.IsEmpty() && IsDir() ) { - m_dirs.Add(_T('.')); + m_dirs.Add(wxT('.')); } } @@ -1488,8 +1851,15 @@ bool wxFileName::SameAs(const wxFileName& filepath, wxPathFormat format) const 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; } @@ -1497,7 +1867,7 @@ bool wxFileName::SameAs(const wxFileName& filepath, wxPathFormat format) const /* 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; } @@ -1522,7 +1892,7 @@ wxString wxFileName::GetForbiddenChars(wxPathFormat format) 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: @@ -1568,7 +1938,7 @@ wxString wxFileName::GetPathSeparators(wxPathFormat format) break; default: - wxFAIL_MSG( _T("Unknown wxPATH_XXX style") ); + wxFAIL_MSG( wxT("Unknown wxPATH_XXX style") ); // fall through case wxPATH_UNIX: @@ -1594,7 +1964,7 @@ wxString wxFileName::GetPathTerminators(wxPathFormat format) // under VMS the end of the path is ']', not the path separator used to // separate the components - return format == wxPATH_VMS ? wxString(_T(']')) : GetPathSeparators(format); + return format == wxPATH_VMS ? wxString(wxT(']')) : GetPathSeparators(format); } /* static */ @@ -1602,7 +1972,19 @@ bool wxFileName::IsPathSeparator(wxChar ch, wxPathFormat format) { // wxString::Find() doesn't work as expected with NUL - it will always find // it, so test for it separately - return ch != _T('\0') && GetPathSeparators(format).Find(ch) != wxNOT_FOUND; + return ch != wxT('\0') && GetPathSeparators(format).Find(ch) != wxNOT_FOUND; +} + +/* static */ +bool +wxFileName::IsMSWUniqueVolumeNamePath(const wxString& path, wxPathFormat format) +{ + // return true if the format used is the DOS/Windows one and the string begins + // with a Windows unique volume name ("\\?\Volume{guid}\") + return format == wxPATH_DOS && + path.length() >= wxMSWUniqueVolumePrefixLength && + path.StartsWith(wxS("\\\\?\\Volume{")) && + path[wxMSWUniqueVolumePrefixLength - 1] == wxFILE_SEP_PATH_DOS; } // ---------------------------------------------------------------------------- @@ -1613,7 +1995,7 @@ bool wxFileName::IsPathSeparator(wxChar ch, wxPathFormat format) { if ( dir.empty() ) { - wxFAIL_MSG( _T("empty directory passed to wxFileName::InsertDir()") ); + wxFAIL_MSG( wxT("empty directory passed to wxFileName::InsertDir()") ); return false; } @@ -1623,7 +2005,7 @@ bool wxFileName::IsPathSeparator(wxChar ch, wxPathFormat format) { if ( dir[n] == GetVolumeSeparator() || IsPathSeparator(dir[n]) ) { - wxFAIL_MSG( _T("invalid directory component in wxFileName") ); + wxFAIL_MSG( wxT("invalid directory component in wxFileName") ); return false; } @@ -1632,10 +2014,12 @@ bool wxFileName::IsPathSeparator(wxChar ch, wxPathFormat format) 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 ) @@ -1643,10 +2027,12 @@ 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) @@ -1707,13 +2093,7 @@ wxString wxFileName::GetPath( int flags, wxPathFormat format ) const case wxPATH_UNIX: if ( !m_relative ) { - // normally the absolute file names start with a slash - // with one exception: the ones like "~/foo.bar" don't - // have it - if ( m_dirs.IsEmpty() || m_dirs[0u] != _T('~') ) - { - fullpath += wxFILE_SEP_PATH_UNIX; - } + fullpath += wxFILE_SEP_PATH_UNIX; } break; @@ -1802,14 +2182,14 @@ wxString wxFileName::GetShortPath() const { wxString path(GetFullPath()); -#if defined(__WXMSW__) && defined(__WIN32__) && !defined(__WXMICROWIN__) && !defined(__WXWINCE__) - DWORD sz = ::GetShortPathName(path.fn_str(), NULL, 0); +#if defined(__WINDOWS__) && defined(__WIN32__) && !defined(__WXMICROWIN__) && !defined(__WXWINCE__) + DWORD sz = ::GetShortPathName(path.t_str(), NULL, 0); if ( sz != 0 ) { wxString pathOut; if ( ::GetShortPathName ( - path.fn_str(), + path.t_str(), wxStringBuffer(pathOut, sz), sz ) != 0 ) @@ -1830,7 +2210,7 @@ wxString wxFileName::GetLongPath() const #if defined(__WIN32__) && !defined(__WXWINCE__) && !defined(__WXMICROWIN__) -#if wxUSE_DYNAMIC_LOADER +#if wxUSE_DYNLIB_CLASS typedef DWORD (WINAPI *GET_LONG_PATH_NAME)(const wxChar *, wxChar *, DWORD); // this is MT-safe as in the worst case we're going to resolve the function @@ -1844,13 +2224,13 @@ wxString wxFileName::GetLongPath() const { s_triedToLoad = true; - wxDynamicLibrary dllKernel(_T("kernel32")); + wxDynamicLibrary dllKernel(wxT("kernel32")); - const wxChar* GetLongPathName = _T("GetLongPathName") + const wxChar* GetLongPathName = wxT("GetLongPathName") #if wxUSE_UNICODE - _T("W"); + wxT("W"); #else // ANSI - _T("A"); + wxT("A"); #endif // Unicode/ANSI if ( dllKernel.HasSymbol(GetLongPathName) ) @@ -1867,12 +2247,12 @@ wxString wxFileName::GetLongPath() const if ( s_pfnGetLongPathName ) { - DWORD dwSize = (*s_pfnGetLongPathName)(path.fn_str(), NULL, 0); + DWORD dwSize = (*s_pfnGetLongPathName)(path.t_str(), NULL, 0); if ( dwSize > 0 ) { if ( (*s_pfnGetLongPathName) ( - path.fn_str(), + path.t_str(), wxStringBuffer(pathOut, dwSize), dwSize ) != 0 ) @@ -1881,7 +2261,7 @@ wxString wxFileName::GetLongPath() const } } } -#endif // wxUSE_DYNAMIC_LOADER +#endif // wxUSE_DYNLIB_CLASS // The OS didn't support GetLongPathName, or some other error. // We need to call FindFirstFile on each component in turn. @@ -1894,7 +2274,7 @@ wxString wxFileName::GetLongPath() const GetVolumeSeparator(wxPATH_DOS) + GetPathSeparator(wxPATH_DOS); else - pathOut = wxEmptyString; + pathOut.clear(); wxArrayString dirs = GetDirs(); dirs.Add(GetFullName()); @@ -1904,25 +2284,27 @@ wxString wxFileName::GetLongPath() const size_t count = dirs.GetCount(); for ( size_t i = 0; i < count; i++ ) { + const wxString& dir = dirs[i]; + // We're using pathOut to collect the long-name path, but using a // temporary for appending the last path component which may be // short-name - tmpPath = pathOut + dirs[i]; - - if ( tmpPath.empty() ) - continue; - - // can't see this being necessary? MF - if ( tmpPath.Last() == GetVolumeSeparator(wxPATH_DOS) ) + tmpPath = pathOut + dir; + + // We must not process "." or ".." here as they would be (unexpectedly) + // replaced by the corresponding directory names so just leave them + // alone + // + // And we can't pass a drive and root dir to FindFirstFile (VZ: why?) + if ( tmpPath.empty() || dir == '.' || dir == ".." || + tmpPath.Last() == GetVolumeSeparator(wxPATH_DOS) ) { - // Can't pass a drive and root dir to FindFirstFile, - // so continue to next dir tmpPath += wxFILE_SEP_PATH; pathOut = tmpPath; continue; } - hFind = ::FindFirstFile(tmpPath.fn_str(), &findFileData); + hFind = ::FindFirstFile(tmpPath.t_str(), &findFileData); if (hFind == INVALID_HANDLE_VALUE) { // Error: most likely reason is that path doesn't exist, so @@ -1950,10 +2332,8 @@ wxPathFormat wxFileName::GetFormat( wxPathFormat format ) { if (format == wxPATH_NATIVE) { -#if defined(__WXMSW__) || defined(__OS2__) || defined(__DOS__) +#if defined(__WINDOWS__) || defined(__OS2__) || defined(__DOS__) format = wxPATH_DOS; -#elif defined(__WXMAC__) && !defined(__DARWIN__) - format = wxPATH_MAC; #elif defined(__VMS) format = wxPATH_VMS; #else @@ -1963,6 +2343,23 @@ wxPathFormat wxFileName::GetFormat( wxPathFormat format ) return format; } +#ifdef wxHAS_FILESYSTEM_VOLUMES + +/* static */ +wxString wxFileName::GetVolumeString(char drive, int flags) +{ + wxASSERT_MSG( !(flags & ~wxPATH_GET_SEPARATOR), "invalid flag specified" ); + + wxString vol(drive); + vol += wxFILE_SEP_DSK; + if ( flags & wxPATH_GET_SEPARATOR ) + vol += wxFILE_SEP_PATH; + + return vol; +} + +#endif // wxHAS_FILESYSTEM_VOLUMES + // ---------------------------------------------------------------------------- // path splitting function // ---------------------------------------------------------------------------- @@ -1978,9 +2375,26 @@ wxFileName::SplitVolume(const wxString& fullpathWithVolume, wxString fullpath = fullpathWithVolume; - // special Windows UNC paths hack: transform \\share\path into share:path - if ( IsUNCPath(fullpath, format) ) + if ( IsMSWUniqueVolumeNamePath(fullpath, format) ) { + // special Windows unique volume names hack: transform + // \\?\Volume{guid}\path into Volume{guid}:path + // note: this check must be done before the check for UNC path + + // we know the last backslash from the unique volume name is located + // there from IsMSWUniqueVolumeNamePath + fullpath[wxMSWUniqueVolumePrefixLength - 1] = wxFILE_SEP_DSK; + + // paths starting with a unique volume name should always be absolute + fullpath.insert(wxMSWUniqueVolumePrefixLength, 1, wxFILE_SEP_PATH_DOS); + + // remove the leading "\\?\" part + fullpath.erase(0, 4); + } + else if ( IsUNCPath(fullpath, format) ) + { + // special Windows UNC paths hack: transform \\share\path into share:path + fullpath.erase(0, 2); size_t posFirstSlash = @@ -1999,8 +2413,11 @@ wxFileName::SplitVolume(const wxString& fullpathWithVolume, { wxString sepVol = GetVolumeSeparator(format); + // we have to exclude the case of a colon in the very beginning of the + // string as it can't be a volume separator (nor can this be a valid + // DOS file name at all but we'll leave dealing with this to our caller) size_t posFirstColon = fullpath.find_first_of(sepVol); - if ( posFirstColon != wxString::npos ) + if ( posFirstColon && posFirstColon != wxString::npos ) { if ( pstrVolume ) { @@ -2038,7 +2455,7 @@ void wxFileName::SplitPath(const wxString& fullpathWithVolume, if ( (posLastDot != wxString::npos) && (posLastDot == 0 || IsPathSeparator(fullpath[posLastDot - 1]) || - (format == wxPATH_VMS && fullpath[posLastDot - 1] == _T(']'))) ) + (format == wxPATH_VMS && fullpath[posLastDot - 1] == wxT(']'))) ) { // dot may be (and commonly -- at least under Unix -- is) the first // character of the filename, don't treat the entire filename as @@ -2080,7 +2497,7 @@ void wxFileName::SplitPath(const wxString& fullpathWithVolume, // special VMS hack: remove the initial bracket if ( format == wxPATH_VMS ) { - if ( (*pstrPath)[0u] == _T('[') ) + if ( (*pstrPath)[0u] == wxT('[') ) pstrPath->erase(0, 1); } } @@ -2147,6 +2564,45 @@ void wxFileName::SplitPath(const wxString& fullpath, } } +/* static */ +wxString wxFileName::StripExtension(const wxString& fullpath) +{ + wxFileName fn(fullpath); + fn.SetExt(""); + return fn.GetFullPath(); +} + +// ---------------------------------------------------------------------------- +// file permissions functions +// ---------------------------------------------------------------------------- + +bool wxFileName::SetPermissions(int permissions) +{ + // Don't do anything for a symlink but first make sure it is one. + if ( m_dontFollowLinks && + Exists(wxFILE_EXISTS_SYMLINK|wxFILE_EXISTS_NO_FOLLOW) ) + { + // Looks like changing permissions for a symlinc is only supported + // on BSD where lchmod is present and correctly implemented. + // http://lists.gnu.org/archive/html/bug-coreutils/2009-09/msg00268.html + return false; + } + +#ifdef __WINDOWS__ + int accMode = 0; + + if ( permissions & (wxS_IRUSR|wxS_IRGRP|wxS_IROTH) ) + accMode = _S_IREAD; + + if ( permissions & (wxS_IWUSR|wxS_IWGRP|wxS_IWOTH) ) + accMode |= _S_IWRITE; + + permissions = accMode; +#endif // __WINDOWS__ + + return wxChmod(GetFullPath(), permissions) == 0; +} + // ---------------------------------------------------------------------------- // time functions // ---------------------------------------------------------------------------- @@ -2155,35 +2611,47 @@ void wxFileName::SplitPath(const wxString& fullpath, bool wxFileName::SetTimes(const wxDateTime *dtAccess, const wxDateTime *dtMod, - const wxDateTime *dtCreate) + const wxDateTime *dtCreate) const { #if defined(__WIN32__) + FILETIME ftAccess, ftCreate, ftWrite; + + if ( dtCreate ) + ConvertWxToFileTime(&ftCreate, *dtCreate); + if ( dtAccess ) + ConvertWxToFileTime(&ftAccess, *dtAccess); + if ( dtMod ) + ConvertWxToFileTime(&ftWrite, *dtMod); + + wxString path; + int flags; if ( IsDir() ) { - // VZ: please let me know how to do this if you can - wxFAIL_MSG( _T("SetTimes() not implemented for the directories") ); + if ( wxGetOsVersion() == wxOS_WINDOWS_9X ) + { + wxLogError(_("Setting directory access times is not supported " + "under this OS version")); + return false; + } + + path = GetPath(); + flags = FILE_FLAG_BACKUP_SEMANTICS; } else // file { - wxFileHandle fh(GetFullPath(), wxFileHandle::Write); - if ( fh.IsOk() ) - { - FILETIME ftAccess, ftCreate, ftWrite; - - if ( dtCreate ) - ConvertWxToFileTime(&ftCreate, *dtCreate); - if ( dtAccess ) - ConvertWxToFileTime(&ftAccess, *dtAccess); - if ( dtMod ) - ConvertWxToFileTime(&ftWrite, *dtMod); + path = GetFullPath(); + flags = 0; + } - if ( ::SetFileTime(fh, - dtCreate ? &ftCreate : NULL, - dtAccess ? &ftAccess : NULL, - dtMod ? &ftWrite : NULL) ) - { - return true; - } + wxFileHandle fh(path, wxFileHandle::WriteAttr, flags); + if ( fh.IsOk() ) + { + if ( ::SetFileTime(fh, + dtCreate ? &ftCreate : NULL, + dtAccess ? &ftAccess : NULL, + dtMod ? &ftWrite : NULL) ) + { + return true; } } #elif defined(__UNIX_LIKE__) || (defined(__DOS__) && defined(__WATCOMC__)) @@ -2216,7 +2684,7 @@ bool wxFileName::SetTimes(const wxDateTime *dtAccess, return false; } -bool wxFileName::Touch() +bool wxFileName::Touch() const { #if defined(__UNIX_LIKE__) // under Unix touching file is simple: just pass NULL to utime() @@ -2246,7 +2714,7 @@ bool wxFileName::GetTimes(wxDateTime *dtAccess, // not 9x bool ok; FILETIME ftAccess, ftCreate, ftWrite; - if ( IsDir() ) + if ( IsDir() ) { // implemented in msw/dir.cpp extern bool wxGetDirectoryTimes(const wxString& dirname, @@ -2259,7 +2727,7 @@ bool wxFileName::GetTimes(wxDateTime *dtAccess, } else // file { - wxFileHandle fh(GetFullPath(), wxFileHandle::Read); + wxFileHandle fh(GetFullPath(), wxFileHandle::ReadAttr); if ( fh.IsOk() ) { ok = ::GetFileTime(fh, @@ -2287,14 +2755,16 @@ bool wxFileName::GetTimes(wxDateTime *dtAccess, #elif defined(__UNIX_LIKE__) || defined(__WXMAC__) || defined(__OS2__) || (defined(__DOS__) && defined(__WATCOMC__)) // no need to test for IsDir() here wxStructStat stBuf; - if ( wxStat( GetFullPath().c_str(), &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(stBuf.st_atime)); if ( dtMod ) - dtMod->Set(stBuf.st_mtime); + dtMod->Set(static_cast(stBuf.st_mtime)); if ( dtCreate ) - dtCreate->Set(stBuf.st_ctime); + dtCreate->Set(static_cast(stBuf.st_ctime)); return true; } @@ -2317,17 +2787,16 @@ bool wxFileName::GetTimes(wxDateTime *dtAccess, // file size functions // ---------------------------------------------------------------------------- +#if wxUSE_LONGLONG + /* static */ wxULongLong wxFileName::GetSize(const wxString &filename) { if (!wxFileExists(filename)) return wxInvalidSize; -#if defined(__WXPALMOS__) - // TODO - return wxInvalidSize; -#elif defined(__WIN32__) - wxFileHandle f(filename, wxFileHandle::Read); +#if defined(__WIN32__) + wxFileHandle f(filename, wxFileHandle::ReadAttr); if (!f.IsOk()) return wxInvalidSize; @@ -2339,11 +2808,7 @@ wxULongLong wxFileName::GetSize(const wxString &filename) return wxULongLong(lpFileSizeHigh, ret); #else // ! __WIN32__ wxStructStat st; -#ifndef wxNEED_WX_UNISTD_H - if (wxStat( filename.fn_str() , &st) != 0) -#else if (wxStat( filename, &st) != 0) -#endif return wxInvalidSize; return wxULongLong(st.st_size); #endif @@ -2352,27 +2817,54 @@ wxULongLong wxFileName::GetSize(const wxString &filename) /* static */ wxString wxFileName::GetHumanReadableSize(const wxULongLong &bs, const wxString &nullsize, - int precision) + int precision, + wxSizeConvention conv) { - static const double KILOBYTESIZE = 1024.0; - static const double MEGABYTESIZE = 1024.0*KILOBYTESIZE; - static const double GIGABYTESIZE = 1024.0*MEGABYTESIZE; - static const double TERABYTESIZE = 1024.0*GIGABYTESIZE; - - if (bs == 0 || bs == wxInvalidSize) + // deal with trivial case first + if ( bs == 0 || bs == wxInvalidSize ) return nullsize; - double bytesize = bs.ToDouble(); - if (bytesize < KILOBYTESIZE) - return wxString::Format(_("%s B"), bs.ToString().c_str()); - if (bytesize < MEGABYTESIZE) - return wxString::Format(_("%.*f kB"), precision, bytesize/KILOBYTESIZE); - if (bytesize < GIGABYTESIZE) - return wxString::Format(_("%.*f MB"), precision, bytesize/MEGABYTESIZE); - if (bytesize < TERABYTESIZE) - return wxString::Format(_("%.*f GB"), precision, bytesize/GIGABYTESIZE); + // depending on the convention used the multiplier may be either 1000 or + // 1024 and the binary infix may be empty (for "KB") or "i" (for "KiB") + double multiplier = 1024.; + wxString biInfix; + + switch ( conv ) + { + case wxSIZE_CONV_TRADITIONAL: + // nothing to do, this corresponds to the default values of both + // the multiplier and infix string + break; + + case wxSIZE_CONV_IEC: + biInfix = "i"; + break; + + case wxSIZE_CONV_SI: + multiplier = 1000; + break; + } + + const double kiloByteSize = multiplier; + const double megaByteSize = multiplier * kiloByteSize; + const double gigaByteSize = multiplier * megaByteSize; + const double teraByteSize = multiplier * gigaByteSize; + + const double bytesize = bs.ToDouble(); + + wxString result; + if ( bytesize < kiloByteSize ) + result.Printf("%s B", bs.ToString()); + else if ( bytesize < megaByteSize ) + result.Printf("%.*f K%sB", precision, bytesize/kiloByteSize, biInfix); + else if (bytesize < gigaByteSize) + result.Printf("%.*f M%sB", precision, bytesize/megaByteSize, biInfix); + else if (bytesize < teraByteSize) + result.Printf("%.*f G%sB", precision, bytesize/gigaByteSize, biInfix); + else + result.Printf("%.*f T%sB", precision, bytesize/teraByteSize, biInfix); - return wxString::Format(_("%.*f TB"), precision, bytesize/TERABYTESIZE); + return result; } wxULongLong wxFileName::GetSize() const @@ -2380,64 +2872,66 @@ wxULongLong wxFileName::GetSize() const return GetSize(GetFullPath()); } -wxString wxFileName::GetHumanReadableSize(const wxString &failmsg, int precision) const +wxString wxFileName::GetHumanReadableSize(const wxString& failmsg, + int precision, + wxSizeConvention conv) const { - return GetHumanReadableSize(GetSize(), failmsg, precision); + return GetHumanReadableSize(GetSize(), failmsg, precision, conv); } +#endif // wxUSE_LONGLONG // ---------------------------------------------------------------------------- // Mac-specific functions // ---------------------------------------------------------------------------- -#ifdef __WXMAC__ +#if defined( __WXOSX_MAC__ ) && wxOSX_USE_CARBON + +namespace +{ -const short kMacExtensionMaxLength = 16 ; class MacDefaultExtensionRecord { -public : - MacDefaultExtensionRecord() - { - m_ext[0] = 0 ; - m_type = m_creator = 0 ; - } - MacDefaultExtensionRecord( const MacDefaultExtensionRecord& from ) - { - wxStrcpy( m_ext , from.m_ext ) ; - m_type = from.m_type ; - m_creator = from.m_creator ; - } - MacDefaultExtensionRecord( const wxChar * extension , OSType type , OSType creator ) - { - wxStrncpy( m_ext , extension , kMacExtensionMaxLength ) ; - m_ext[kMacExtensionMaxLength] = 0 ; - m_type = type ; - m_creator = creator ; - } - wxChar m_ext[kMacExtensionMaxLength] ; - OSType m_type ; - OSType m_creator ; -} ; +public: + MacDefaultExtensionRecord() + { + m_type = + m_creator = 0 ; + } -WX_DECLARE_OBJARRAY(MacDefaultExtensionRecord, MacDefaultExtensionArray) ; + // default copy ctor, assignment operator and dtor are ok -bool gMacDefaultExtensionsInited = false ; + MacDefaultExtensionRecord(const wxString& ext, OSType type, OSType creator) + : m_ext(ext) + { + m_type = type; + m_creator = creator; + } + + wxString m_ext; + OSType m_type; + OSType m_creator; +}; + +WX_DECLARE_OBJARRAY(MacDefaultExtensionRecord, MacDefaultExtensionArray); + +bool gMacDefaultExtensionsInited = false; #include "wx/arrimpl.cpp" -WX_DEFINE_EXPORTED_OBJARRAY(MacDefaultExtensionArray) ; +WX_DEFINE_EXPORTED_OBJARRAY(MacDefaultExtensionArray); -MacDefaultExtensionArray gMacDefaultExtensions ; +MacDefaultExtensionArray gMacDefaultExtensions; // load the default extensions -MacDefaultExtensionRecord gDefaults[] = +const MacDefaultExtensionRecord gDefaults[] = { - MacDefaultExtensionRecord( wxT("txt") , 'TEXT' , 'ttxt' ) , - MacDefaultExtensionRecord( wxT("tif") , 'TIFF' , '****' ) , - MacDefaultExtensionRecord( wxT("jpg") , 'JPEG' , '****' ) , -} ; + MacDefaultExtensionRecord( "txt", 'TEXT', 'ttxt' ), + MacDefaultExtensionRecord( "tif", 'TIFF', '****' ), + MacDefaultExtensionRecord( "jpg", 'JPEG', '****' ), +}; -static void MacEnsureDefaultExtensionsLoaded() +void MacEnsureDefaultExtensionsLoaded() { if ( !gMacDefaultExtensionsInited ) { @@ -2446,10 +2940,12 @@ static void MacEnsureDefaultExtensionsLoaded() { gMacDefaultExtensions.Add( gDefaults[i] ) ; } - gMacDefaultExtensionsInited = true ; + gMacDefaultExtensionsInited = true; } } +} // anonymous namespace + bool wxFileName::MacSetTypeAndCreator( wxUint32 type , wxUint32 creator ) { FSRef fsRef ; @@ -2470,7 +2966,7 @@ bool wxFileName::MacSetTypeAndCreator( wxUint32 type , wxUint32 creator ) return false ; } -bool wxFileName::MacGetTypeAndCreator( wxUint32 *type , wxUint32 *creator ) +bool wxFileName::MacGetTypeAndCreator( wxUint32 *type , wxUint32 *creator ) const { FSRef fsRef ; FSCatalogInfo catInfo; @@ -2518,11 +3014,9 @@ bool wxFileName::MacFindDefaultTypeAndCreator( const wxString& ext , wxUint32 *t void wxFileName::MacRegisterDefaultTypeAndCreator( const wxString& ext , wxUint32 type , wxUint32 creator ) { - MacEnsureDefaultExtensionsLoaded() ; - MacDefaultExtensionRecord rec ; - rec.m_type = type ; - rec.m_creator = creator ; - wxStrncpy( rec.m_ext , ext.Lower().c_str() , kMacExtensionMaxLength ) ; - gMacDefaultExtensions.Add( rec ) ; + MacEnsureDefaultExtensionsLoaded(); + MacDefaultExtensionRecord rec(ext.Lower(), type, creator); + gMacDefaultExtensions.Add( rec ); } -#endif + +#endif // defined( __WXOSX_MAC__ ) && wxOSX_USE_CARBON