X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/6f91bc3333e20e6b63ede14fab37fdc5cd3a583b..2865d42dd600e0260cb8b9c4310b587c3558798c:/src/common/filename.cpp diff --git a/src/common/filename.cpp b/src/common/filename.cpp index 2c21016d13..dd770afb71 100644 --- a/src/common/filename.cpp +++ b/src/common/filename.cpp @@ -6,30 +6,44 @@ // Created: 28.12.2000 // RCS-ID: $Id$ // Copyright: (c) 2000 Robert Roebling -// Licence: wxWindows license +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// /* Here are brief descriptions of the filename formats supported by this class: - wxPATH_UNIX: standard Unix format, absolute file names have the form + wxPATH_UNIX: standard Unix format, used under Darwin as well, absolute file + names have the form: /dir1/dir2/.../dirN/filename, "." and ".." stand for the current and parent directory respectively, "~" is parsed as the user HOME and "~username" as the HOME of that user - wxPATH_DOS: DOS/Windows format, absolute file names have the form + wxPATH_DOS: DOS/Windows format, absolute file names have the form: 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 format, absolute file names have the form + 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 and Mac OS X under CodeWarrior 7 format, absolute file + names have the form volume:dir1:...:dirN:filename and the relative file names are either :dir1:...:dirN:filename or just filename (although :filename works as well). + Since the volume is just part of the file path, it is not + treated like a separate entity as it is done under DOS and + VMS, it is just treated as another dir. wxPATH_VMS: VMS native format, absolute file names have the form :[dir1.dir2.dir3]file.txt @@ -42,7 +56,7 @@ Note that VMS uses different separators unlike Unix: : always after the device. If the path does not contain : than the default (the device of the current directory) is assumed. - [ start of directory specyfication + [ start of directory specification . separator between directory and subdirectory ] between directory and file */ @@ -55,52 +69,100 @@ // headers // ---------------------------------------------------------------------------- -#ifdef __GNUG__ - #pragma implementation "filename.h" -#endif - // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" #ifdef __BORLANDC__ - #pragma hdrstop +#pragma hdrstop #endif #ifndef WX_PRECOMP + #ifdef __WXMSW__ + #include "wx/msw/wrapwin.h" // For GetShort/LongPathName + #endif + #include "wx/dynarray.h" #include "wx/intl.h" #include "wx/log.h" + #include "wx/utils.h" + #include "wx/crt.h" #endif #include "wx/filename.h" +#include "wx/private/filename.h" #include "wx/tokenzr.h" #include "wx/config.h" // for wxExpandEnvVars -#include "wx/utils.h" +#include "wx/dynlib.h" +#include "wx/dir.h" -#if wxUSE_DYNLIB_CLASS - #include "wx/dynlib.h" +#if defined(__WIN32__) && defined(__MINGW32__) + #include "wx/msw/gccpriv.h" #endif -// For GetShort/LongPathName -#ifdef __WIN32__ - #include +#ifdef __WXMSW__ +#include "wx/msw/private.h" +#endif - #include "wx/msw/winundef.h" +#if defined(__WXMAC__) + #include "wx/osx/private.h" // includes mac headers #endif // utime() is POSIX so should normally be available on all Unices #ifdef __UNIX_LIKE__ - #include - #include - #include - #include +#include +#include +#include +#include +#endif + +#ifdef __DJGPP__ +#include #endif #ifdef __MWERKS__ - #include - #include - #include +#ifdef __MACH__ +#include +#include +#include +#include +#else +#include +#include +#include +#endif +#endif + +#ifdef __WATCOMC__ +#include +#include +#include +#endif + +#ifdef __VISAGECPP__ +#ifndef MAX_PATH +#define MAX_PATH 256 +#endif #endif +#ifdef __EMX__ +#include +#define MAX_PATH _MAX_PATH +#endif + + +#if wxUSE_LONGLONG +extern const wxULongLong wxInvalidSize = (unsigned)-1; +#endif // wxUSE_LONGLONG + +#ifdef __WIN32__ + // this define is missing from VC6 headers + #ifndef INVALID_FILE_ATTRIBUTES + #define INVALID_FILE_ATTRIBUTES ((DWORD)-1) + #endif +#endif // __WIN32__ + +namespace +{ + // ---------------------------------------------------------------------------- // private classes // ---------------------------------------------------------------------------- @@ -112,23 +174,43 @@ class wxFileHandle { public: - wxFileHandle(const wxString& filename) + enum OpenMode + { + ReadAttr, + WriteAttr + }; + + 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, // name - GENERIC_READ, // access mask - 0, // no sharing - NULL, // no secutity attr - OPEN_EXISTING, // creation disposition - 0, // no flags - NULL // no template file + 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 + flags, // flags + NULL // no template file ); if ( m_hFile == INVALID_HANDLE_VALUE ) { - wxLogSysError(_("Failed to open '%s' for reading"), - filename.c_str()); + if ( mode == ReadAttr ) + { + wxLogSysError(_("Failed to open '%s' for reading"), + filename.c_str()); + } + else + { + wxLogSysError(_("Failed to open '%s' for writing"), + filename.c_str()); + } } } @@ -143,7 +225,7 @@ public: } } - // return TRUE only if the file could be opened successfully + // return true only if the file could be opened successfully bool IsOk() const { return m_hFile != INVALID_HANDLE_VALUE; } // get the handle @@ -159,40 +241,119 @@ private: // private functions // ---------------------------------------------------------------------------- -#if defined(__WIN32__) && !defined(__WXMICROWIN__) +#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. -// the number of milliseconds between the Unix Epoch (January 1, 1970) and the -// FILETIME reference point (January 1, 1601) -static const wxLongLong FILETIME_EPOCH_OFFSET = wxLongLong(0xa97, 0x30b66800); - static void ConvertFileTimeToWx(wxDateTime *dt, const FILETIME &ft) { - wxLongLong ll(ft.dwHighDateTime, ft.dwLowDateTime); - - // convert 100ns to ms - ll /= 10000; + FILETIME ftcopy = ft; + FILETIME ftLocal; + if ( !::FileTimeToLocalFileTime(&ftcopy, &ftLocal) ) + { + wxLogLastError(wxT("FileTimeToLocalFileTime")); + } - // move it to our Epoch - ll -= FILETIME_EPOCH_OFFSET; + SYSTEMTIME st; + if ( !::FileTimeToSystemTime(&ftLocal, &st) ) + { + wxLogLastError(wxT("FileTimeToSystemTime")); + } - *dt = wxDateTime(ll); + dt->Set(st.wDay, wxDateTime::Month(st.wMonth - 1), st.wYear, + st.wHour, st.wMinute, st.wSecond, st.wMilliseconds); } static void ConvertWxToFileTime(FILETIME *ft, const wxDateTime& dt) { - // do the reverse of ConvertFileTimeToWx() - wxLongLong ll = dt.GetValue(); - ll *= 10000; - ll += FILETIME_EPOCH_OFFSET; + 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(wxT("SystemTimeToFileTime")); + } - ft->dwHighDateTime = ll.GetHi(); - ft->dwLowDateTime = ll.GetLo(); + if ( !::LocalFileTimeToFileTime(&ftLocal, ft) ) + { + wxLogLastError(wxT("LocalFileTimeToFileTime")); + } } -#endif // __WIN32__ +#endif // wxUSE_DATETIME && __WIN32__ + +// return a string with the volume par +static wxString wxGetVolumeString(const wxString& volume, wxPathFormat format) +{ + wxString path; + + if ( !volume.empty() ) + { + format = wxFileName::GetFormat(format); + + // Special Windows UNC paths hack, part 2: undo what we did in + // SplitPath() and make an UNC path if we have a drive which is not a + // single letter (hopefully the network shares can't be one letter only + // although I didn't find any authoritative docs on this) + if ( format == wxPATH_DOS && volume.length() > 1 ) + { + // 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 ) + { + path << volume << wxFileName::GetVolumeSeparator(format); + } + // else ignore + } + + 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 + IsDOSPathSep(path[0u]) && + IsDOSPathSep(path[1u]) && + !IsDOSPathSep(path[2u]); +} + +// ---------------------------------------------------------------------------- +// private constants +// ---------------------------------------------------------------------------- + +// length of \\?\Volume{xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx}\ string +static const size_t wxMSWUniqueVolumePrefixLength = 49; + +} // anonymous namespace // ============================================================================ // implementation @@ -208,56 +369,202 @@ void wxFileName::Assign( const wxFileName &filepath ) m_dirs = filepath.GetDirs(); m_name = filepath.GetName(); m_ext = filepath.GetExt(); + m_relative = filepath.m_relative; + m_hasExt = filepath.m_hasExt; } void wxFileName::Assign(const wxString& volume, const wxString& path, const wxString& name, const wxString& ext, - wxPathFormat format ) + bool hasExt, + wxPathFormat format) { - wxStringTokenizer tn(path, GetPathSeparators(format)); + // we should ignore paths which look like UNC shares because we already + // have the volume here and the UNC notation (\\server\path) is only valid + // for paths which don't start with a volume, so prevent SetPath() from + // recognizing "\\foo\bar" in "c:\\foo\bar" as an UNC path + // + // note also that this is a rather ugly way to do what we want (passing + // some kind of flag telling to ignore UNC paths to SetPath() would be + // better) but this is the safest thing to do to avoid breaking backwards + // compatibility in 2.8 + if ( IsUNCPath(path, format) ) + { + // remove one of the 2 leading backslashes to ensure that it's not + // recognized as an UNC path by SetPath() + wxString pathNonUNC(path, 1, wxString::npos); + SetPath(pathNonUNC, format); + } + else // no UNC complications + { + SetPath(path, format); + } + m_volume = volume; + m_ext = ext; + m_name = name; + + m_hasExt = hasExt; +} + +void wxFileName::SetPath( const wxString& pathOrig, wxPathFormat format ) +{ m_dirs.Clear(); + + if ( pathOrig.empty() ) + { + // no path at all + m_relative = true; + + return; + } + + format = GetFormat( format ); + + // 0) deal with possible volume part first + wxString volume, + path; + SplitVolume(pathOrig, &volume, &path, format); + if ( !volume.empty() ) + { + m_relative = false; + + SetVolume(volume); + } + + // 1) Determine if the path is relative or absolute. + + if ( path.empty() ) + { + // we had only the volume + return; + } + + wxChar leadingChar = path[0u]; + + switch (format) + { + case wxPATH_MAC: + m_relative = leadingChar == wxT(':'); + + // We then remove a leading ":". The reason is in our + // storage form for relative paths: + // ":dir:file.txt" actually means "./dir/file.txt" in + // DOS notation and should get stored as + // (relative) (dir) (file.txt) + // "::dir:file.txt" actually means "../dir/file.txt" + // stored as (relative) (..) (dir) (file.txt) + // This is important only for the Mac as an empty dir + // actually means , whereas under DOS, double + // slashes can be ignored: "\\\\" is the same as "\\". + if (m_relative) + path.erase( 0, 1 ); + break; + + case wxPATH_VMS: + // TODO: what is the relative path format here? + m_relative = false; + break; + + default: + wxFAIL_MSG( wxT("Unknown path format") ); + // !! Fall through !! + + case wxPATH_UNIX: + m_relative = leadingChar != wxT('/'); + break; + + case wxPATH_DOS: + m_relative = !IsPathSeparator(leadingChar, format); + break; + + } + + // 2) Break up the path into its members. If the original path + // was just "/" or "\\", m_dirs will be empty. We know from + // the m_relative field, if this means "nothing" or "root dir". + + wxStringTokenizer tn( path, GetPathSeparators(format) ); + while ( tn.HasMoreTokens() ) { wxString token = tn.GetNextToken(); - // if the path starts with a slash, we do need the first empty dir - // entry to be able to tell later that it was an absolute path, but - // otherwise ignore the double slashes - if ( m_dirs.IsEmpty() || !token.IsEmpty() ) - m_dirs.Add( token ); + // Remove empty token under DOS and Unix, interpret them + // as .. under Mac. + if (token.empty()) + { + if (format == wxPATH_MAC) + m_dirs.Add( wxT("..") ); + // else ignore + } + else + { + m_dirs.Add( token ); + } } - - m_volume = volume; - m_ext = ext; - m_name = name; } void wxFileName::Assign(const wxString& fullpath, wxPathFormat format) { wxString volume, path, name, ext; - SplitPath(fullpath, &volume, &path, &name, &ext, format); + bool hasExt; + SplitPath(fullpath, &volume, &path, &name, &ext, &hasExt, format); - Assign(volume, path, name, ext, format); + Assign(volume, path, name, ext, hasExt, format); } -void wxFileName::Assign(const wxString& fullpath, +void wxFileName::Assign(const wxString& fullpathOrig, const wxString& fullname, wxPathFormat format) { + // always recognize fullpath as directory, even if it doesn't end with a + // slash + wxString fullpath = fullpathOrig; + if ( !fullpath.empty() && !wxEndsWithPathSeparator(fullpath) ) + { + fullpath += GetPathSeparator(format); + } + wxString volume, path, name, ext; - SplitPath(fullname, NULL /* no path */, &name, &ext, format); - SplitPath(fullpath, &volume, &path, NULL, NULL, format); + bool hasExt; + + // 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(), + wxT("the file name shouldn't contain the path") ); + + SplitPath(fullpath, &volume, &path, &nameDummy, &extDummy, format); + +#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); +} + +void wxFileName::Assign(const wxString& pathOrig, + const wxString& name, + const wxString& ext, + wxPathFormat format) +{ + wxString volume, + path; + SplitVolume(pathOrig, &volume, &path, format); Assign(volume, path, name, ext, format); } void wxFileName::AssignDir(const wxString& dir, wxPathFormat format) { - Assign(dir, _T(""), format); + Assign(dir, wxEmptyString, format); } void wxFileName::Clear() @@ -267,19 +574,25 @@ void wxFileName::Clear() m_volume = m_name = m_ext = wxEmptyString; + + // we don't have any absolute path for now + m_relative = true; + + // nor any extension + m_hasExt = false; } /* static */ -wxFileName wxFileName::FileName(const wxString& file) +wxFileName wxFileName::FileName(const wxString& file, wxPathFormat format) { - return wxFileName(file); + return wxFileName(file, format); } /* static */ -wxFileName wxFileName::DirName(const wxString& dir) +wxFileName wxFileName::DirName(const wxString& dir, wxPathFormat format) { wxFileName fn; - fn.AssignDir(dir); + fn.AssignDir(dir, format); return fn; } @@ -287,24 +600,98 @@ wxFileName wxFileName::DirName(const wxString& dir) // existence tests // ---------------------------------------------------------------------------- -bool wxFileName::FileExists() +bool wxFileName::FileExists() const { return wxFileName::FileExists( GetFullPath() ); } -bool wxFileName::FileExists( const wxString &file ) +/* static */ +bool wxFileName::FileExists( const wxString &filePath ) { - return ::wxFileExists( file ); +#if defined(__WXPALMOS__) + return false; +#elif 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() +bool wxFileName::DirExists() const { - return wxFileName::DirExists( GetFullPath() ); + return wxFileName::DirExists( GetPath() ); } -bool wxFileName::DirExists( const wxString &dir ) +/* static */ +bool wxFileName::DirExists( const wxString &dirPath ) { - return ::wxDirExists( dir ); + 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) ) + { + 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__ + +#ifdef __OS2__ + // OS/2 can't handle "d:", it wants either "d:\" or "d:." + if (strPath.length() == 2 && strPath[1u] == wxT(':')) + strPath << wxT('.'); +#endif + +#if defined(__WXPALMOS__) + return false; +#elif defined(__WIN32__) && !defined(__WXMICROWIN__) + // stat() can't cope with network paths + DWORD ret = ::GetFileAttributes(strPath.t_str()); + + return (ret != INVALID_FILE_ATTRIBUTES) && (ret & FILE_ATTRIBUTE_DIRECTORY); +#elif defined(__OS2__) + FILESTATUS3 Info = {{0}}; + APIRET rc = ::DosQueryPathInfo((PSZ)(WXSTRINGCAST strPath), FIL_STANDARD, + (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__ + + 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 + +#endif // __WIN32__/!__WIN32__ } // ---------------------------------------------------------------------------- @@ -340,9 +727,9 @@ wxString wxFileName::GetCwd(const wxString& volume) return cwd; } -bool wxFileName::SetCwd() +bool wxFileName::SetCwd() const { - return wxFileName::SetCwd( GetFullPath() ); + return wxFileName::SetCwd( GetPath() ); } bool wxFileName::SetCwd( const wxString &cwd ) @@ -360,155 +747,705 @@ wxString wxFileName::GetHomeDir() return ::wxGetHomeDir(); } -void wxFileName::AssignTempFileName( const wxString &prefix ) -{ - wxString fullname; - if ( wxGetTempFileName(prefix, fullname) ) - { - Assign(fullname); - } - else // error - { - Clear(); - } -} // ---------------------------------------------------------------------------- -// directory operations +// CreateTempFileName // ---------------------------------------------------------------------------- -bool wxFileName::Mkdir( int perm, bool full ) -{ - return wxFileName::Mkdir( GetFullPath(), perm, full ); -} +#if wxUSE_FILE || wxUSE_FFILE -bool wxFileName::Mkdir( const wxString &dir, int perm, bool full ) -{ - if (full) - { - wxFileName filename(dir); - wxArrayString dirs = filename.GetDirs(); - dirs.Add(filename.GetName()); - size_t count = dirs.GetCount(); - size_t i; - wxString currPath; - int noErrors = 0; - for ( i = 0; i < count; i++ ) - { - currPath += dirs[i]; +#if !defined wx_fdopen && defined HAVE_FDOPEN + #define wx_fdopen fdopen +#endif - if (currPath.Last() == wxT(':')) - { - // Can't create a root directory so continue to next dir - currPath += wxFILE_SEP_PATH; - continue; - } +// NB: GetTempFileName() under Windows creates the file, so using +// O_EXCL there would fail +#ifdef __WINDOWS__ + #define wxOPEN_EXCL 0 +#else + #define wxOPEN_EXCL O_EXCL +#endif - if (!DirExists(currPath)) - if (!wxMkdir(currPath, perm)) - noErrors ++; - if ( (i < (count-1)) ) - currPath += wxFILE_SEP_PATH; - } +#ifdef wxOpenOSFHandle +#define WX_HAVE_DELETE_ON_CLOSE +// On Windows create a file with the FILE_FLAGS_DELETE_ON_CLOSE flags. +// +static int wxOpenWithDeleteOnClose(const wxString& filename) +{ + DWORD access = GENERIC_READ | GENERIC_WRITE; - return (noErrors == 0); + DWORD disposition = OPEN_ALWAYS; - } - else - return ::wxMkdir( dir, perm ); + DWORD attributes = FILE_ATTRIBUTE_TEMPORARY | + FILE_FLAG_DELETE_ON_CLOSE; + + HANDLE h = ::CreateFile(filename.fn_str(), access, 0, NULL, + disposition, attributes, NULL); + + return wxOpenOSFHandle(h, wxO_BINARY); } +#endif // wxOpenOSFHandle -bool wxFileName::Rmdir() + +// Helper to open the file +// +static int wxTempOpen(const wxString& path, bool *deleteOnClose) { - return wxFileName::Rmdir( GetFullPath() ); +#ifdef WX_HAVE_DELETE_ON_CLOSE + if (*deleteOnClose) + return wxOpenWithDeleteOnClose(path); +#endif + + *deleteOnClose = false; + + return wxOpen(path, wxO_BINARY | O_RDWR | O_CREAT | wxOPEN_EXCL, 0600); } -bool wxFileName::Rmdir( const wxString &dir ) + +#if wxUSE_FFILE +// Helper to open the file and attach it to the wxFFile +// +static bool wxTempOpen(wxFFile *file, const wxString& path, bool *deleteOnClose) { - return ::wxRmdir( dir ); +#ifndef wx_fdopen + *deleteOnClose = false; + 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")); + return file->IsOpened(); +#endif // wx_fdopen } +#endif // wxUSE_FFILE -// ---------------------------------------------------------------------------- -// path normalization -// ---------------------------------------------------------------------------- -bool wxFileName::Normalize(wxPathNormalize flags, - const wxString& cwd, - wxPathFormat format) -{ - // the existing path components - wxArrayString dirs = GetDirs(); +#if !wxUSE_FILE + #define WXFILEARGS(x, y) y +#elif !wxUSE_FFILE + #define WXFILEARGS(x, y) x +#else + #define WXFILEARGS(x, y) x, y +#endif - // the path to prepend in front to make the path absolute - wxFileName curDir; - format = GetFormat(format); +// Implementation of wxFileName::CreateTempFileName(). +// +static wxString wxCreateTempImpl( + const wxString& prefix, + WXFILEARGS(wxFile *fileTemp, wxFFile *ffileTemp), + bool *deleteOnClose = NULL) +{ +#if wxUSE_FILE && wxUSE_FFILE + wxASSERT(fileTemp == NULL || ffileTemp == NULL); +#endif + wxString path, dir, name; + bool wantDeleteOnClose = false; - // make the path absolute - if ( (flags & wxPATH_NORM_ABSOLUTE) && !IsAbsolute() ) + if (deleteOnClose) { - if ( cwd.empty() ) - { - curDir.AssignCwd(GetVolume()); - } - else // cwd provided - { - curDir.AssignDir(cwd); - } + // set the result to false initially + wantDeleteOnClose = *deleteOnClose; + *deleteOnClose = false; + } + else + { + // easier if it alwasys points to something + deleteOnClose = &wantDeleteOnClose; + } - // the path may be not absolute because it doesn't have the volume name - // but in this case we shouldn't modify the directory components of it - // but just set the current volume - if ( !HasVolume() && curDir.HasVolume() ) - { - SetVolume(curDir.GetVolume()); + // use the directory specified by the prefix + wxFileName::SplitPath(prefix, &dir, &name, NULL /* extension */); - if ( IsAbsolute() ) - { - // yes, it was the case - we don't need curDir then - curDir.Clear(); - } - } + if (dir.empty()) + { + dir = wxFileName::GetTempDir(); } - // handle ~ stuff under Unix only - if ( (format == wxPATH_UNIX) && (flags & wxPATH_NORM_TILDE) ) +#if defined(__WXWINCE__) + path = dir + wxT("\\") + name; + int i = 1; + while (wxFileName::FileExists(path)) { - if ( !dirs.IsEmpty() ) - { - wxString dir = dirs[0u]; - if ( !dir.empty() && dir[0u] == _T('~') ) - { - curDir.AssignDir(wxGetUserHome(dir.c_str() + 1)); - - dirs.RemoveAt(0u); - } - } + path = dir + wxT("\\") + name ; + path << i; + i ++; } - // transform relative path into abs one - if ( curDir.IsOk() ) +#elif defined(__WINDOWS__) && !defined(__WXMICROWIN__) + if (!::GetTempFileName(dir.t_str(), name.t_str(), 0, + wxStringBuffer(path, MAX_PATH + 1))) { - wxArrayString dirsNew = curDir.GetDirs(); - size_t count = dirs.GetCount(); - for ( size_t n = 0; n < count; n++ ) - { - dirsNew.Add(dirs[n]); - } + wxLogLastError(wxT("GetTempFileName")); - dirs = dirsNew; + path.clear(); } - // now deal with ".", ".." and the rest +#else // !Windows + path = dir; + + if ( !wxEndsWithPathSeparator(dir) && + (name.empty() || !wxIsPathSeparator(name[0u])) ) + { + path += wxFILE_SEP_PATH; + } + + path += name; + +#if defined(HAVE_MKSTEMP) + // scratch space for mkstemp() + path += wxT("XXXXXX"); + + // we need to copy the path to the buffer in which mkstemp() can modify it + wxCharBuffer buf(path.fn_str()); + + // cast is safe because the string length doesn't change + int fdTemp = mkstemp( (char*)(const char*) buf ); + if ( fdTemp == -1 ) + { + // this might be not necessary as mkstemp() on most systems should have + // already done it but it doesn't hurt neither... + path.clear(); + } + else // mkstemp() succeeded + { + path = wxConvFile.cMB2WX( (const char*) buf ); + + #if wxUSE_FILE + // avoid leaking the fd + if ( fileTemp ) + { + fileTemp->Attach(fdTemp); + } + else + #endif + + #if wxUSE_FFILE + if ( ffileTemp ) + { + #ifdef wx_fdopen + ffileTemp->Attach(wx_fdopen(fdTemp, "r+b")); + #else + ffileTemp->Open(path, wxT("r+b")); + close(fdTemp); + #endif + } + else + #endif + + { + close(fdTemp); + } + } +#else // !HAVE_MKSTEMP + +#ifdef HAVE_MKTEMP + // same as above + path += wxT("XXXXXX"); + + wxCharBuffer buf = wxConvFile.cWX2MB( path ); + if ( !mktemp( (char*)(const char*) buf ) ) + { + path.clear(); + } + else + { + path = wxConvFile.cMB2WX( (const char*) buf ); + } +#else // !HAVE_MKTEMP (includes __DOS__) + // generate the unique file name ourselves + #if !defined(__DOS__) && !defined(__PALMOS__) && (!defined(__MWERKS__) || defined(__DARWIN__) ) + path << (unsigned int)getpid(); + #endif + + wxString pathTry; + + static const size_t numTries = 1000; + for ( size_t n = 0; n < numTries; n++ ) + { + // 3 hex digits is enough for numTries == 1000 < 4096 + pathTry = path + wxString::Format(wxT("%.03x"), (unsigned int) n); + if ( !wxFileName::FileExists(pathTry) ) + { + break; + } + + pathTry.clear(); + } + + path = pathTry; +#endif // HAVE_MKTEMP/!HAVE_MKTEMP + +#endif // HAVE_MKSTEMP/!HAVE_MKSTEMP + +#endif // Windows/!Windows + + if ( path.empty() ) + { + wxLogSysError(_("Failed to create a temporary file name")); + } + else + { + bool ok = true; + + // open the file - of course, there is a race condition here, this is + // why we always prefer using mkstemp()... + #if wxUSE_FILE + if ( fileTemp && !fileTemp->IsOpened() ) + { + *deleteOnClose = wantDeleteOnClose; + int fd = wxTempOpen(path, deleteOnClose); + if (fd != -1) + fileTemp->Attach(fd); + else + ok = false; + } + #endif + + #if wxUSE_FFILE + if ( ffileTemp && !ffileTemp->IsOpened() ) + { + *deleteOnClose = wantDeleteOnClose; + ok = wxTempOpen(ffileTemp, path, deleteOnClose); + } + #endif + + if ( !ok ) + { + // FIXME: If !ok here should we loop and try again with another + // file name? That is the standard recourse if open(O_EXCL) + // fails, though of course it should be protected against + // possible infinite looping too. + + wxLogError(_("Failed to open temporary file.")); + + path.clear(); + } + } + + return path; +} + + +static bool wxCreateTempImpl( + const wxString& prefix, + WXFILEARGS(wxFile *fileTemp, wxFFile *ffileTemp), + wxString *name) +{ + bool deleteOnClose = true; + + *name = wxCreateTempImpl(prefix, + WXFILEARGS(fileTemp, ffileTemp), + &deleteOnClose); + + bool ok = !name->empty(); + + if (deleteOnClose) + name->clear(); +#ifdef __UNIX__ + else if (ok && wxRemoveFile(*name)) + name->clear(); +#endif + + return ok; +} + + +static void wxAssignTempImpl( + wxFileName *fn, + const wxString& prefix, + WXFILEARGS(wxFile *fileTemp, wxFFile *ffileTemp)) +{ + wxString tempname; + tempname = wxCreateTempImpl(prefix, WXFILEARGS(fileTemp, ffileTemp)); + + if ( tempname.empty() ) + { + // error, failed to get temp file name + fn->Clear(); + } + else // ok + { + fn->Assign(tempname); + } +} + + +void wxFileName::AssignTempFileName(const wxString& prefix) +{ + wxAssignTempImpl(this, prefix, WXFILEARGS(NULL, NULL)); +} + +/* static */ +wxString wxFileName::CreateTempFileName(const wxString& prefix) +{ + return wxCreateTempImpl(prefix, WXFILEARGS(NULL, NULL)); +} + +#endif // wxUSE_FILE || wxUSE_FFILE + + +#if wxUSE_FILE + +wxString wxCreateTempFileName(const wxString& prefix, + wxFile *fileTemp, + bool *deleteOnClose) +{ + return wxCreateTempImpl(prefix, WXFILEARGS(fileTemp, NULL), deleteOnClose); +} + +bool wxCreateTempFile(const wxString& prefix, + wxFile *fileTemp, + wxString *name) +{ + return wxCreateTempImpl(prefix, WXFILEARGS(fileTemp, NULL), name); +} + +void wxFileName::AssignTempFileName(const wxString& prefix, wxFile *fileTemp) +{ + wxAssignTempImpl(this, prefix, WXFILEARGS(fileTemp, NULL)); +} + +/* static */ +wxString +wxFileName::CreateTempFileName(const wxString& prefix, wxFile *fileTemp) +{ + return wxCreateTempFileName(prefix, fileTemp); +} + +#endif // wxUSE_FILE + + +#if wxUSE_FFILE + +wxString wxCreateTempFileName(const wxString& prefix, + wxFFile *fileTemp, + bool *deleteOnClose) +{ + return wxCreateTempImpl(prefix, WXFILEARGS(NULL, fileTemp), deleteOnClose); +} + +bool wxCreateTempFile(const wxString& prefix, + wxFFile *fileTemp, + wxString *name) +{ + return wxCreateTempImpl(prefix, WXFILEARGS(NULL, fileTemp), name); + +} + +void wxFileName::AssignTempFileName(const wxString& prefix, wxFFile *fileTemp) +{ + wxAssignTempImpl(this, prefix, WXFILEARGS(NULL, fileTemp)); +} + +/* static */ +wxString +wxFileName::CreateTempFileName(const wxString& prefix, wxFFile *fileTemp) +{ + return wxCreateTempFileName(prefix, fileTemp); +} + +#endif // wxUSE_FFILE + + +// ---------------------------------------------------------------------------- +// directory operations +// ---------------------------------------------------------------------------- + +// helper of GetTempDir(): check if the given directory exists and return it if +// it does or an empty string otherwise +namespace +{ + +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() ) + { + dir = CheckIfDirExists(wxGetenv("TMP")); + if ( dir.empty() ) + dir = CheckIfDirExists(wxGetenv("TEMP")); + } + + // 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(wxT("GetTempPath")); + } +#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 ) + { + // the string consists entirely of separators, leave only one + dir = GetPathSeparator(); + } + else + { + dir.erase(lastNonSep + 1); + } + } + + // fall back to hard coded value + if ( dir.empty() ) + { +#ifdef __UNIX_LIKE__ + dir = CheckIfDirExists("/tmp"); + if ( dir.empty() ) +#endif // __UNIX_LIKE__ + dir = "."; + } + + return dir; +} + +bool wxFileName::Mkdir( int perm, int flags ) const +{ + return wxFileName::Mkdir(GetPath(), perm, flags); +} + +bool wxFileName::Mkdir( const wxString& dir, int perm, int flags ) +{ + if ( flags & wxPATH_MKDIR_FULL ) + { + // split the path in components + wxFileName filename; + filename.AssignDir(dir); + + wxString currPath; + if ( filename.HasVolume()) + { + currPath << wxGetVolumeString(filename.GetVolume(), wxPATH_NATIVE); + } + + wxArrayString dirs = filename.GetDirs(); + size_t count = dirs.GetCount(); + for ( size_t i = 0; i < count; i++ ) + { + if ( i > 0 || filename.IsAbsolute() ) + currPath += wxFILE_SEP_PATH; + currPath += dirs[i]; + + if (!DirExists(currPath)) + { + if (!wxMkdir(currPath, perm)) + { + // no need to try creating further directories + return false; + } + } + } + + return true; + + } + + return ::wxMkdir( dir, perm ); +} + +bool wxFileName::Rmdir(int flags) const +{ + return wxFileName::Rmdir( GetPath(), flags ); +} + +bool wxFileName::Rmdir(const wxString& dir, int flags) +{ +#ifdef __WXMSW__ + 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; + #if defined(__CYGWIN__) && defined(wxUSE_UNICODE) + fileop.pFrom = path.wc_str(); + #else + fileop.pFrom = path.fn_str(); + #endif + 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 // !__WXMSW__ + if ( flags != 0 ) // wxPATH_RMDIR_FULL or wxPATH_RMDIR_RECURSIVE +#endif // !__WXMSW__ + { + 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 + bool cont = d.GetFirst(&filename, "", wxDIR_DIRS | wxDIR_HIDDEN); + while ( cont ) + { + wxFileName::Rmdir(path + filename, flags); + cont = d.GetNext(&filename); + } + +#ifndef __WXMSW__ + if ( flags & wxPATH_RMDIR_RECURSIVE ) + { + // delete all files too + cont = d.GetFirst(&filename, "", wxDIR_FILES | wxDIR_HIDDEN); + while ( cont ) + { + ::wxRemoveFile(path + filename); + cont = d.GetNext(&filename); + } + } +#endif // !__WXMSW__ + } + + return ::wxRmdir(dir); +} + +// ---------------------------------------------------------------------------- +// path normalization +// ---------------------------------------------------------------------------- + +bool wxFileName::Normalize(int flags, + const wxString& cwd, + wxPathFormat format) +{ + // deal with env vars renaming first as this may seriously change the path + if ( flags & wxPATH_NORM_ENV_VARS ) + { + wxString pathOrig = GetFullPath(format); + wxString path = wxExpandEnvVars(pathOrig); + if ( path != pathOrig ) + { + Assign(path); + } + } + + // the existing path components + wxArrayString dirs = GetDirs(); + + // the path to prepend in front to make the path absolute + wxFileName curDir; + + format = GetFormat(format); + + // set up the directory to use for making the path absolute later + if ( (flags & wxPATH_NORM_ABSOLUTE) && !IsAbsolute(format) ) + { + if ( cwd.empty() ) + { + curDir.AssignCwd(GetVolume()); + } + else // cwd provided + { + curDir.AssignDir(cwd); + } + } + + // handle ~ stuff under Unix only + if ( (format == wxPATH_UNIX) && (flags & wxPATH_NORM_TILDE) && m_relative ) + { + if ( !dirs.IsEmpty() ) + { + wxString dir = dirs[0u]; + if ( !dir.empty() && dir[0u] == wxT('~') ) + { + // to make the path absolute use the home directory + curDir.AssignDir(wxGetUserHome(dir.c_str() + 1)); + dirs.RemoveAt(0u); + } + } + } + + // transform relative path into abs one + if ( curDir.IsOk() ) + { + // this path may be relative because it doesn't have the volume name + // and still have m_relative=true; in this case we shouldn't modify + // our directory components but just set the current volume + if ( !HasVolume() && curDir.HasVolume() ) + { + SetVolume(curDir.GetVolume()); + + if ( !m_relative ) + { + // yes, it was the case - we don't need curDir then + curDir.Clear(); + } + } + + // finally, prepend curDir to the dirs array + wxArrayString dirsNew = curDir.GetDirs(); + WX_PREPEND_ARRAY(dirs, dirsNew); + + // 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.m_relative ) + { + // we have prepended an absolute path and thus we are now an absolute + // file name too + m_relative = false; + } + // else if (flags & wxPATH_NORM_ABSOLUTE): + // should we warn the user that we didn't manage to make the path absolute? + } + + // now deal with ".", ".." and the rest m_dirs.Empty(); size_t count = dirs.GetCount(); for ( size_t n = 0; n < count; n++ ) { wxString dir = dirs[n]; - if ( flags && wxPATH_NORM_DOTS ) + if ( flags & wxPATH_NORM_DOTS ) { if ( dir == wxT(".") ) { @@ -518,70 +1455,305 @@ bool wxFileName::Normalize(wxPathNormalize 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.Remove(m_dirs.GetCount() - 1); - continue; + } + else // Normal case, go one step up. + { + m_dirs.pop_back(); + continue; + } } } - if ( flags & wxPATH_NORM_ENV_VARS ) - { - dir = wxExpandEnvVars(dir); - } + m_dirs.Add(dir); + } - if ( (flags & wxPATH_NORM_CASE) && !IsCaseSensitive(format) ) +#if defined(__WIN32__) && !defined(__WXWINCE__) && wxUSE_OLE + if ( (flags & wxPATH_NORM_SHORTCUT) ) + { + wxString filename; + if (GetShortcutTarget(GetFullPath(format), filename)) { - dir.MakeLower(); + m_relative = false; + Assign(filename); } + } +#endif - m_dirs.Add(dir); +#if defined(__WIN32__) + if ( (flags & wxPATH_NORM_LONG) && (format == wxPATH_DOS) ) + { + 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) ) { - // VZ: expand env vars here too? - + m_volume.MakeLower(); m_name.MakeLower(); m_ext.MakeLower(); + + // 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(); + } } -#if defined(__WIN32__) - if ( (flags & wxPATH_NORM_LONG) && (format == wxPATH_DOS) ) + 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; +} + +// ---------------------------------------------------------------------------- +// get the shortcut target +// ---------------------------------------------------------------------------- + +// WinCE (3) doesn't have CLSID_ShellLink, IID_IShellLink definitions. +// The .lnk file is a plain text file so it should be easy to +// make it work. Hint from Google Groups: +// "If you open up a lnk file, you'll see a +// number, followed by a pound sign (#), followed by more text. The +// number is the number of characters that follows the pound sign. The +// characters after the pound sign are the command line (which _can_ +// include arguments) to be executed. Any path (e.g. \windows\program +// files\myapp.exe) that includes spaces needs to be enclosed in +// 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) const +{ + wxString path, file, ext; + wxFileName::SplitPath(shortcutPath, & path, & file, & ext); + + HRESULT hres; + IShellLink* psl; + bool success = false; + + // Assume it's not a shortcut if it doesn't end with lnk + if (ext.CmpNoCase(wxT("lnk"))!=0) + return false; + + // create a ShellLink object + hres = CoCreateInstance(CLSID_ShellLink, NULL, CLSCTX_INPROC_SERVER, + IID_IShellLink, (LPVOID*) &psl); + + if (SUCCEEDED(hres)) { - Assign(GetLongPath()); + IPersistFile* ppf; + hres = psl->QueryInterface( IID_IPersistFile, (LPVOID *) &ppf); + if (SUCCEEDED(hres)) + { + WCHAR wsz[MAX_PATH]; + + MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, shortcutPath.mb_str(), -1, wsz, + MAX_PATH); + + hres = ppf->Load(wsz, 0); + ppf->Release(); + + if (SUCCEEDED(hres)) + { + wxChar buf[2048]; + // Wrong prototype in early versions +#if defined(__MINGW32__) && !wxCHECK_W32API_VERSION(2, 2) + psl->GetPath((CHAR*) buf, 2048, NULL, SLGP_UNCPRIORITY); +#else + psl->GetPath(buf, 2048, NULL, SLGP_UNCPRIORITY); +#endif + targetFilename = wxString(buf); + success = (shortcutPath != targetFilename); + + psl->GetArguments(buf, 2048); + wxString args(buf); + if (!args.empty() && arguments) + { + *arguments = args; + } + } + } + + psl->Release(); } -#endif // Win32 + return success; +} + +#endif // __WIN32__ && !__WXWINCE__ + + +// ---------------------------------------------------------------------------- +// absolute/relative paths +// ---------------------------------------------------------------------------- + +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 ) + return false; + + 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 be an absolute file under Windows + if ( GetVolume().empty() ) + return false; + } + + return true; +} + +bool wxFileName::MakeRelativeTo(const wxString& pathBase, wxPathFormat format) +{ + wxFileName fnBase = wxFileName::DirName(pathBase, format); + + // get cwd only once - small time saving + wxString cwd = wxGetCwd(); + Normalize(wxPATH_NORM_ALL & ~wxPATH_NORM_CASE, cwd, format); + fnBase.Normalize(wxPATH_NORM_ALL & ~wxPATH_NORM_CASE, cwd, format); + + bool withCase = IsCaseSensitive(format); + + // we can't do anything if the files live on different volumes + if ( !GetVolume().IsSameAs(fnBase.GetVolume(), withCase) ) + { + // nothing done + return false; + } + + // same drive, so we don't need our volume + m_volume.clear(); - return TRUE; + // remove common directories starting at the top + while ( !m_dirs.IsEmpty() && !fnBase.m_dirs.IsEmpty() && + m_dirs[0u].IsSameAs(fnBase.m_dirs[0u], withCase) ) + { + m_dirs.RemoveAt(0); + fnBase.m_dirs.RemoveAt(0); + } + + // add as many ".." as needed + size_t count = fnBase.m_dirs.GetCount(); + for ( size_t i = 0; i < count; i++ ) + { + m_dirs.Insert(wxT(".."), 0u); + } + + if ( format == wxPATH_UNIX || format == wxPATH_DOS ) + { + // a directory made relative with respect to itself is '.' under Unix + // and DOS, by definition (but we don't have to insert "./" for the + // files) + if ( m_dirs.IsEmpty() && IsDir() ) + { + m_dirs.Add(wxT('.')); + } + } + + m_relative = true; + + // we were modified + return true; } // ---------------------------------------------------------------------------- // filename kind tests // ---------------------------------------------------------------------------- -bool wxFileName::SameAs( const wxFileName &filepath, wxPathFormat format) +bool wxFileName::SameAs(const wxFileName& filepath, wxPathFormat format) const { wxFileName fn1 = *this, fn2 = filepath; // get cwd only once - small time saving wxString cwd = wxGetCwd(); - fn1.Normalize(wxPATH_NORM_ALL, cwd, format); - fn2.Normalize(wxPATH_NORM_ALL, cwd, format); + fn1.Normalize(wxPATH_NORM_ALL | wxPATH_NORM_CASE, cwd, format); + fn2.Normalize(wxPATH_NORM_ALL | wxPATH_NORM_CASE, cwd, format); if ( fn1.GetFullPath() == fn2.GetFullPath() ) - return TRUE; + return true; // TODO: compare inodes for Unix, this works even when filenames are // different but files are the same (symlinks) (VZ) - return FALSE; + return false; } /* static */ @@ -591,69 +1763,58 @@ bool wxFileName::IsCaseSensitive( wxPathFormat format ) return GetFormat(format) == wxPATH_UNIX; } -bool wxFileName::IsAbsolute( wxPathFormat format ) +/* static */ +wxString wxFileName::GetForbiddenChars(wxPathFormat format) { - // if we have no path, we can't be an abs filename - if ( m_dirs.IsEmpty() ) - { - return FALSE; - } + // Inits to forbidden characters that are common to (almost) all platforms. + wxString strForbiddenChars = wxT("*?"); - format = GetFormat(format); - - if ( format == wxPATH_UNIX ) - { - const wxString& str = m_dirs[0u]; - if ( str.empty() ) - { - // the path started with '/', it's an absolute one - return TRUE; - } - - // the path is absolute if it starts with a path separator or - // with "~" or "~user" - wxChar ch = str[0u]; - - return IsPathSeparator(ch, format) || ch == _T('~'); - } - else // !Unix + // If asserts, wxPathFormat has been changed. In case of a new path format + // addition, the following code might have to be updated. + wxCOMPILE_TIME_ASSERT(wxPATH_MAX == 5, wxPathFormatChanged); + switch ( GetFormat(format) ) { - // must have the drive - if ( m_volume.empty() ) - return FALSE; + default : + wxFAIL_MSG( wxT("Unknown path format") ); + // !! Fall through !! - switch ( format ) - { - default: - wxFAIL_MSG( _T("unknown wxPATH_XXX style") ); - // fall through + case wxPATH_UNIX: + break; - case wxPATH_DOS: - return m_dirs[0u].empty(); + 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; + break; - case wxPATH_VMS: - // TODO: what is the relative path format here? - return TRUE; + case wxPATH_DOS: + strForbiddenChars += wxT("\\/:\"<>|"); + break; - case wxPATH_MAC: - return !m_dirs[0u].empty(); - } + case wxPATH_VMS: + break; } + + return strForbiddenChars; } /* static */ -wxString wxFileName::GetVolumeSeparator(wxPathFormat format) +wxString wxFileName::GetVolumeSeparator(wxPathFormat WXUNUSED_IN_WINCE(format)) { +#ifdef __WXWINCE__ + return wxEmptyString; +#else wxString sepVol; - if ( GetFormat(format) != wxPATH_UNIX ) + if ( (GetFormat(format) == wxPATH_DOS) || + (GetFormat(format) == wxPATH_VMS) ) { - // so far it is the same for all systems which have it sepVol = wxFILE_SEP_DSK; } - //else: leave empty, no volume separators under Unix + //else: leave empty return sepVol; +#endif } /* static */ @@ -669,7 +1830,7 @@ 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: @@ -688,46 +1849,83 @@ wxString wxFileName::GetPathSeparators(wxPathFormat format) return seps; } +/* static */ +wxString wxFileName::GetPathTerminators(wxPathFormat format) +{ + format = GetFormat(format); + + // under VMS the end of the path is ']', not the path separator used to + // separate the components + return format == wxPATH_VMS ? wxString(wxT(']')) : GetPathSeparators(format); +} + /* static */ bool wxFileName::IsPathSeparator(wxChar ch, wxPathFormat format) { // wxString::Find() doesn't work as expected with NUL - it will always find - // it, so it is almost surely a bug if this function is called with NUL arg - wxASSERT_MSG( ch != _T('\0'), _T("shouldn't be called with NUL") ); - - return GetPathSeparators(format).Find(ch) != wxNOT_FOUND; + // it, so test for it separately + return ch != wxT('\0') && GetPathSeparators(format).Find(ch) != wxNOT_FOUND; } -bool wxFileName::IsWild( wxPathFormat format ) +/* static */ +bool +wxFileName::IsMSWUniqueVolumeNamePath(const wxString& path, wxPathFormat format) { - // FIXME: this is probably false for Mac and this is surely wrong for most - // of Unix shells (think about "[...]") - (void)format; - return m_name.find_first_of(_T("*?")) != wxString::npos; + // 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; } // ---------------------------------------------------------------------------- // path components manipulation // ---------------------------------------------------------------------------- -void wxFileName::AppendDir( const wxString &dir ) +/* static */ bool wxFileName::IsValidDirComponent(const wxString& dir) { - m_dirs.Add( dir ); + if ( dir.empty() ) + { + wxFAIL_MSG( wxT("empty directory passed to wxFileName::InsertDir()") ); + + return false; + } + + const size_t len = dir.length(); + for ( size_t n = 0; n < len; n++ ) + { + if ( dir[n] == GetVolumeSeparator() || IsPathSeparator(dir[n]) ) + { + wxFAIL_MSG( wxT("invalid directory component in wxFileName") ); + + return false; + } + } + + return true; +} + +void wxFileName::AppendDir( const wxString& dir ) +{ + if ( IsValidDirComponent(dir) ) + m_dirs.Add( dir ); } -void wxFileName::PrependDir( const wxString &dir ) +void wxFileName::PrependDir( const wxString& dir ) { - m_dirs.Insert( dir, 0 ); + InsertDir(0, dir); } -void wxFileName::InsertDir( int before, const wxString &dir ) +void wxFileName::InsertDir(size_t before, const wxString& dir) { - m_dirs.Insert( dir, before ); + if ( IsValidDirComponent(dir) ) + m_dirs.Insert(dir, before); } -void wxFileName::RemoveDir( int pos ) +void wxFileName::RemoveDir(size_t pos) { - m_dirs.Remove( (size_t)pos ); + m_dirs.RemoveAt(pos); } // ---------------------------------------------------------------------------- @@ -736,13 +1934,14 @@ void wxFileName::RemoveDir( int pos ) void wxFileName::SetFullName(const wxString& fullname) { - SplitPath(fullname, NULL /* no path */, &m_name, &m_ext); + SplitPath(fullname, NULL /* no volume */, NULL /* no path */, + &m_name, &m_ext, &m_hasExt); } wxString wxFileName::GetFullName() const { wxString fullname = m_name; - if ( !m_ext.empty() ) + if ( m_hasExt ) { fullname << wxFILE_SEP_EXT << m_ext; } @@ -750,86 +1949,117 @@ wxString wxFileName::GetFullName() const return fullname; } -wxString wxFileName::GetPath( bool add_separator, wxPathFormat format ) const +wxString wxFileName::GetPath( int flags, wxPathFormat format ) const { format = GetFormat( format ); - wxString ret; - size_t count = m_dirs.GetCount(); - for ( size_t i = 0; i < count; i++ ) + wxString fullpath; + + // return the volume with the path as well if requested + if ( flags & wxPATH_GET_VOLUME ) { - ret += m_dirs[i]; - if ( add_separator || (i < count) ) - ret += wxFILE_SEP_PATH; + fullpath += wxGetVolumeString(GetVolume(), format); } - return ret; -} + // the leading character + switch ( format ) + { + case wxPATH_MAC: + if ( m_relative ) + fullpath += wxFILE_SEP_PATH_MAC; + break; -wxString wxFileName::GetFullPath( wxPathFormat format ) const -{ - format = GetFormat(format); + case wxPATH_DOS: + if ( !m_relative ) + fullpath += wxFILE_SEP_PATH_DOS; + break; - wxString fullpath; + default: + wxFAIL_MSG( wxT("Unknown path format") ); + // fall through + + case wxPATH_UNIX: + if ( !m_relative ) + { + fullpath += wxFILE_SEP_PATH_UNIX; + } + break; - // first put the volume - if ( !m_volume.empty() ) + case wxPATH_VMS: + // no leading character here but use this place to unset + // wxPATH_GET_SEPARATOR flag: under VMS it doesn't make sense + // as, if I understand correctly, there should never be a dot + // before the closing bracket + flags &= ~wxPATH_GET_SEPARATOR; + } + + if ( m_dirs.empty() ) { - // special Windows UNC paths hack, part 2: undo what we did in - // SplitPath() and make an UNC path if we have a drive which is not a - // single letter (hopefully the network shares can't be one letter only - // although I didn't find any authoritative docs on this) - if ( format == wxPATH_DOS && m_volume.length() > 1 ) - { - fullpath << wxFILE_SEP_PATH_DOS << wxFILE_SEP_PATH_DOS << m_volume; - } - else // !UNC - { - fullpath << m_volume << GetVolumeSeparator(format); - } + // there is nothing more + return fullpath; } // then concatenate all the path components using the path separator - size_t dirCount = m_dirs.GetCount(); - if ( dirCount ) + if ( format == wxPATH_VMS ) { - // under Mac, we must have a path separator in the beginning of the - // relative path - otherwise it would be parsed as an absolute one - if ( format == wxPATH_MAC && m_volume.empty() && !m_dirs[0].empty() ) - { - fullpath += wxFILE_SEP_PATH_MAC; - } + fullpath += wxT('['); + } - wxChar chPathSep = GetPathSeparators(format)[0u]; - if ( format == wxPATH_VMS ) + const size_t dirCount = m_dirs.GetCount(); + for ( size_t i = 0; i < dirCount; i++ ) + { + switch (format) { - fullpath += _T('['); - } + case wxPATH_MAC: + if ( m_dirs[i] == wxT(".") ) + { + // skip appending ':', this shouldn't be done in this + // case as "::" is interpreted as ".." under Unix + continue; + } - for ( size_t i = 0; i < dirCount; i++ ) - { - // under VMS, we shouldn't have a leading dot - if ( i && (format != wxPATH_VMS || !m_dirs[i - 1].empty()) ) - fullpath += chPathSep; + // convert back from ".." to nothing + if ( !m_dirs[i].IsSameAs(wxT("..")) ) + fullpath += m_dirs[i]; + break; - fullpath += m_dirs[i]; - } + default: + wxFAIL_MSG( wxT("Unexpected path format") ); + // still fall through - if ( format == wxPATH_VMS ) - { - fullpath += _T(']'); - } - else // !VMS - { - // separate the file name from the last directory, notice that we - // intentionally do it even if the name and extension are empty as - // this allows us to distinguish the directories from the file - // names (the directories have the trailing slash) - fullpath += chPathSep; + case wxPATH_DOS: + case wxPATH_UNIX: + fullpath += m_dirs[i]; + break; + + case wxPATH_VMS: + // TODO: What to do with ".." under VMS + + // convert back from ".." to nothing + if ( !m_dirs[i].IsSameAs(wxT("..")) ) + fullpath += m_dirs[i]; + break; } + + if ( (flags & wxPATH_GET_SEPARATOR) || (i != dirCount - 1) ) + fullpath += GetPathSeparator(format); } - // finally add the file name and extension + if ( format == wxPATH_VMS ) + { + fullpath += wxT(']'); + } + + return fullpath; +} + +wxString wxFileName::GetFullPath( wxPathFormat format ) const +{ + // we already have a function to get the path + wxString fullpath = GetPath(wxPATH_GET_VOLUME | wxPATH_GET_SEPARATOR, + format); + + // now just add the file name and extension to it fullpath += GetFullName(); return fullpath; @@ -838,28 +2068,26 @@ wxString wxFileName::GetFullPath( wxPathFormat format ) const // Return the short form of the path (returns identity on non-Windows platforms) wxString wxFileName::GetShortPath() const { -#if defined(__WXMSW__) && defined(__WIN32__) && !defined(__WXMICROWIN__) wxString path(GetFullPath()); - wxString pathOut; - DWORD sz = ::GetShortPathName(path, NULL, 0); - bool ok = sz != 0; - if ( ok ) + +#if defined(__WXMSW__) && defined(__WIN32__) && !defined(__WXMICROWIN__) && !defined(__WXWINCE__) + DWORD sz = ::GetShortPathName(path.t_str(), NULL, 0); + if ( sz != 0 ) { - ok = ::GetShortPathName + wxString pathOut; + if ( ::GetShortPathName ( - path, - pathOut.GetWriteBuf(sz), + path.t_str(), + wxStringBuffer(pathOut, sz), sz - ) != 0; - pathOut.UngetWriteBuf(); + ) != 0 ) + { + return pathOut; + } } - if (ok) - return pathOut; +#endif // Windows return path; -#else - return GetFullPath(); -#endif } // Return the long form of the path (returns identity on non-Windows platforms) @@ -868,107 +2096,118 @@ wxString wxFileName::GetLongPath() const wxString pathOut, path = GetFullPath(); -#if defined(__WIN32__) && !defined(__WXMICROWIN__) - bool success = FALSE; - - // VZ: this code was disabled, why? -#if 0 // wxUSE_DYNLIB_CLASS - typedef DWORD (*GET_LONG_PATH_NAME)(const wxChar *, wxChar *, DWORD); +#if defined(__WIN32__) && !defined(__WXWINCE__) && !defined(__WXMICROWIN__) - static bool s_triedToLoad = FALSE; +#if wxUSE_DYNLIB_CLASS + typedef DWORD (WINAPI *GET_LONG_PATH_NAME)(const wxChar *, wxChar *, DWORD); - if ( !s_triedToLoad ) + // this is MT-safe as in the worst case we're going to resolve the function + // twice -- but as the result is the same in both threads, it's ok + static GET_LONG_PATH_NAME s_pfnGetLongPathName = NULL; + if ( !s_pfnGetLongPathName ) { - s_triedToLoad = TRUE; - wxDllType dllKernel = wxDllLoader::LoadLibrary(_T("kernel32")); - if ( dllKernel ) + static bool s_triedToLoad = false; + + if ( !s_triedToLoad ) { - // may succeed or fail depending on the Windows version - static GET_LONG_PATH_NAME s_pfnGetLongPathName = NULL; -#ifdef _UNICODE - s_pfnGetLongPathName = (GET_LONG_PATH_NAME) wxDllLoader::GetSymbol(dllKernel, _T("GetLongPathNameW")); -#else - s_pfnGetLongPathName = (GET_LONG_PATH_NAME) wxDllLoader::GetSymbol(dllKernel, _T("GetLongPathNameA")); -#endif + s_triedToLoad = true; + + wxDynamicLibrary dllKernel(wxT("kernel32")); - wxDllLoader::UnloadLibrary(dllKernel); + const wxChar* GetLongPathName = wxT("GetLongPathName") +#if wxUSE_UNICODE + wxT("W"); +#else // ANSI + wxT("A"); +#endif // Unicode/ANSI - if ( s_pfnGetLongPathName ) + if ( dllKernel.HasSymbol(GetLongPathName) ) { - DWORD dwSize = (*s_pfnGetLongPathName)(path, NULL, 0); - bool ok = dwSize > 0; + s_pfnGetLongPathName = (GET_LONG_PATH_NAME) + dllKernel.GetSymbol(GetLongPathName); + } - if ( ok ) - { - DWORD sz = (*s_pfnGetLongPathName)(path, NULL, 0); - ok = sz != 0; - if ( ok ) - { - ok = (*s_pfnGetLongPathName) - ( - path, - pathOut.GetWriteBuf(sz), - sz - ) != 0; - pathOut.UngetWriteBuf(); - - success = TRUE; - } - } + // note that kernel32.dll can be unloaded, it stays in memory + // anyhow as all Win32 programs link to it and so it's safe to call + // GetLongPathName() even after unloading it + } + } + + if ( s_pfnGetLongPathName ) + { + DWORD dwSize = (*s_pfnGetLongPathName)(path.t_str(), NULL, 0); + if ( dwSize > 0 ) + { + if ( (*s_pfnGetLongPathName) + ( + path.t_str(), + wxStringBuffer(pathOut, dwSize), + dwSize + ) != 0 ) + { + return pathOut; } } } - if (success) - return pathOut; #endif // wxUSE_DYNLIB_CLASS - if (!success) - { - // The OS didn't support GetLongPathName, or some other error. - // We need to call FindFirstFile on each component in turn. + // The OS didn't support GetLongPathName, or some other error. + // We need to call FindFirstFile on each component in turn. - WIN32_FIND_DATA findFileData; - HANDLE hFind; + WIN32_FIND_DATA findFileData; + HANDLE hFind; + + if ( HasVolume() ) + pathOut = GetVolume() + + GetVolumeSeparator(wxPATH_DOS) + + GetPathSeparator(wxPATH_DOS); + else pathOut = wxEmptyString; - wxArrayString dirs = GetDirs(); - dirs.Add(GetFullName()); + wxArrayString dirs = GetDirs(); + dirs.Add(GetFullName()); - wxString tmpPath; + wxString tmpPath; - size_t count = dirs.GetCount(); - for ( size_t i = 0; i < count; i++ ) + 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 + 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) ) { - // 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; + tmpPath += wxFILE_SEP_PATH; + pathOut = tmpPath; + continue; + } - if ( tmpPath.Last() == wxT(':') ) - { - // 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.t_str(), &findFileData); + if (hFind == INVALID_HANDLE_VALUE) + { + // Error: most likely reason is that path doesn't exist, so + // append any unprocessed parts and return + for ( i += 1; i < count; i++ ) + tmpPath += wxFILE_SEP_PATH + dirs[i]; - hFind = ::FindFirstFile(tmpPath, &findFileData); - if (hFind == INVALID_HANDLE_VALUE) - { - // Error: return immediately with the original path - return path; - } + return tmpPath; + } - pathOut += findFileData.cFileName; - if ( (i < (count-1)) ) - pathOut += wxFILE_SEP_PATH; + pathOut += findFileData.cFileName; + if ( (i < (count-1)) ) + pathOut += wxFILE_SEP_PATH; - ::FindClose(hFind); - } + ::FindClose(hFind); } #else // !Win32 pathOut = path; @@ -981,10 +2220,8 @@ wxPathFormat wxFileName::GetFormat( wxPathFormat format ) { if (format == wxPATH_NATIVE) { -#if defined(__WXMSW__) || defined(__WXPM__) +#if defined(__WXMSW__) || defined(__OS2__) || defined(__DOS__) format = wxPATH_DOS; -#elif defined(__WXMAC__) && !defined(__DARWIN__) - format = wxPATH_MAC; #elif defined(__VMS) format = wxPATH_VMS; #else @@ -994,53 +2231,81 @@ 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 // ---------------------------------------------------------------------------- /* static */ -void wxFileName::SplitPath(const wxString& fullpathWithVolume, - wxString *pstrVolume, - wxString *pstrPath, - wxString *pstrName, - wxString *pstrExt, - wxPathFormat format) +void +wxFileName::SplitVolume(const wxString& fullpathWithVolume, + wxString *pstrVolume, + wxString *pstrPath, + wxPathFormat format) { format = GetFormat(format); wxString fullpath = fullpathWithVolume; - // under VMS the end of the path is ']', not the path separator used to - // separate the components - wxString sepPath = format == wxPATH_VMS ? _T(']') - : GetPathSeparators(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; - // special Windows UNC paths hack: transform \\share\path into share:path - if ( format == wxPATH_DOS ) + // 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) ) { - if ( fullpath.length() >= 4 && - fullpath[0u] == wxFILE_SEP_PATH_DOS && - fullpath[1u] == wxFILE_SEP_PATH_DOS ) - { - fullpath.erase(0, 2); + // special Windows UNC paths hack: transform \\share\path into share:path - size_t posFirstSlash = fullpath.find_first_of(sepPath); - if ( posFirstSlash != wxString::npos ) - { - fullpath[posFirstSlash] = wxFILE_SEP_DSK; + fullpath.erase(0, 2); - // UNC paths are always absolute, right? (FIXME) - fullpath.insert(posFirstSlash + 1, wxFILE_SEP_PATH_DOS); - } + size_t posFirstSlash = + fullpath.find_first_of(GetPathTerminators(format)); + if ( posFirstSlash != wxString::npos ) + { + fullpath[posFirstSlash] = wxFILE_SEP_DSK; + + // UNC paths are always absolute, right? (FIXME) + fullpath.insert(posFirstSlash + 1, 1, wxFILE_SEP_PATH_DOS); } } - // do we have the volume name in the beginning? - wxString sepVol = GetVolumeSeparator(format); - if ( !sepVol.empty() ) + // We separate the volume here + if ( format == wxPATH_DOS || format == wxPATH_VMS ) { + 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 ) { @@ -1052,21 +2317,38 @@ void wxFileName::SplitPath(const wxString& fullpathWithVolume, } } + if ( pstrPath ) + *pstrPath = fullpath; +} + +/* static */ +void wxFileName::SplitPath(const wxString& fullpathWithVolume, + wxString *pstrVolume, + wxString *pstrPath, + wxString *pstrName, + wxString *pstrExt, + bool *hasExt, + wxPathFormat format) +{ + format = GetFormat(format); + + wxString fullpath; + SplitVolume(fullpathWithVolume, pstrVolume, &fullpath, format); + // find the positions of the last dot and last path separator in the path size_t posLastDot = fullpath.find_last_of(wxFILE_SEP_EXT); - size_t posLastSlash = fullpath.find_last_of(sepPath); + size_t posLastSlash = fullpath.find_last_of(GetPathTerminators(format)); + // check whether this dot occurs at the very beginning of a path component if ( (posLastDot != wxString::npos) && - ((format == wxPATH_UNIX) || (format == wxPATH_VMS)) ) + (posLastDot == 0 || + IsPathSeparator(fullpath[posLastDot - 1]) || + (format == wxPATH_VMS && fullpath[posLastDot - 1] == wxT(']'))) ) { - if ( (posLastDot == 0) || - (fullpath[posLastDot - 1] == sepPath[0u] ) ) - { - // under Unix and VMS, dot may be (and commonly is) the first - // character of the filename, don't treat the entire filename as - // extension in this case - posLastDot = wxString::npos; - } + // dot may be (and commonly -- at least under Unix -- is) the first + // character of the filename, don't treat the entire filename as + // extension in this case + posLastDot = wxString::npos; } // if we do have a dot and a slash, check that the dot is in the name part @@ -1089,10 +2371,13 @@ void wxFileName::SplitPath(const wxString& fullpathWithVolume, else { // take everything up to the path separator but take care to make - // tha path equal to something like '/', not empty, for the files + // the path equal to something like '/', not empty, for the files // immediately under root directory size_t len = posLastSlash; - if ( !len ) + + // this rule does not apply to mac since we do not start with colons (sep) + // except for relative paths + if ( !len && format != wxPATH_MAC) len++; *pstrPath = fullpath.Left(len); @@ -1100,7 +2385,7 @@ 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); } } @@ -1129,18 +2414,25 @@ void wxFileName::SplitPath(const wxString& fullpathWithVolume, *pstrName = fullpath.Mid(nStart, count); } - if ( pstrExt ) + // finally deal with the extension here: we have an added complication that + // extension may be empty (but present) as in "foo." where trailing dot + // indicates the empty extension at the end -- and hence we must remember + // that we have it independently of pstrExt + if ( posLastDot == wxString::npos ) { - if ( posLastDot == wxString::npos ) - { - // no extension - pstrExt->Empty(); - } - else - { - // take everything after the dot + // no extension + if ( pstrExt ) + pstrExt->clear(); + if ( hasExt ) + *hasExt = false; + } + else + { + // take everything after the dot + if ( pstrExt ) *pstrExt = fullpath.Mid(posLastDot + 1); - } + if ( hasExt ) + *hasExt = true; } } @@ -1154,142 +2446,435 @@ void wxFileName::SplitPath(const wxString& fullpath, wxString volume; SplitPath(fullpath, &volume, path, name, ext, format); - if ( path && !volume.empty() ) + if ( path ) { - path->Prepend(volume + GetVolumeSeparator(format)); + path->Prepend(wxGetVolumeString(volume, format)); } } +/* static */ +wxString wxFileName::StripExtension(const wxString& fullpath) +{ + wxFileName fn(fullpath); + fn.SetExt(""); + return fn.GetFullPath(); +} + // ---------------------------------------------------------------------------- // time functions // ---------------------------------------------------------------------------- -bool wxFileName::SetTimes(const wxDateTime *dtCreate, - const wxDateTime *dtAccess, - const wxDateTime *dtMod) +#if wxUSE_DATETIME + +bool wxFileName::SetTimes(const wxDateTime *dtAccess, + const wxDateTime *dtMod, + const wxDateTime *dtCreate) const { -#if defined(__UNIX_LIKE__) - if ( !dtAccess && !dtMod ) +#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() ) { - // can't modify the creation time anyhow, don't try - return TRUE; - } + if ( wxGetOsVersion() == wxOS_WINDOWS_9X ) + { + wxLogError(_("Setting directory access times is not supported " + "under this OS version")); + return false; + } - // if dtAccess or dtMod is not specified, use the other one (which must be - // non NULL because of the test above) for both times - utimbuf utm; - utm.actime = dtAccess ? dtAccess->GetTicks() : dtMod->GetTicks(); - utm.modtime = dtMod ? dtMod->GetTicks() : dtAccess->GetTicks(); - if ( utime(GetFullPath(), &utm) == 0 ) + path = GetPath(); + flags = FILE_FLAG_BACKUP_SEMANTICS; + } + else // file { - return TRUE; + path = GetFullPath(); + flags = 0; } -#elif defined(__WIN32__) - wxFileHandle fh(GetFullPath()); + + wxFileHandle fh(path, wxFileHandle::WriteAttr, flags); if ( fh.IsOk() ) { - FILETIME ftAccess, ftCreate, ftWrite; - - if ( dtCreate ) - ConvertWxToFileTime(&ftCreate, *dtCreate); - if ( dtAccess ) - ConvertWxToFileTime(&ftAccess, *dtAccess); - if ( dtMod ) - ConvertWxToFileTime(&ftWrite, *dtMod); - if ( ::SetFileTime(fh, dtCreate ? &ftCreate : NULL, dtAccess ? &ftAccess : NULL, dtMod ? &ftWrite : NULL) ) { - return TRUE; + return true; } } +#elif defined(__UNIX_LIKE__) || (defined(__DOS__) && defined(__WATCOMC__)) + wxUnusedVar(dtCreate); + + if ( !dtAccess && !dtMod ) + { + // can't modify the creation time anyhow, don't try + return true; + } + + // if dtAccess or dtMod is not specified, use the other one (which must be + // non NULL because of the test above) for both times + utimbuf utm; + utm.actime = dtAccess ? dtAccess->GetTicks() : dtMod->GetTicks(); + utm.modtime = dtMod ? dtMod->GetTicks() : dtAccess->GetTicks(); + if ( utime(GetFullPath().fn_str(), &utm) == 0 ) + { + return true; + } #else // other platform + wxUnusedVar(dtAccess); + wxUnusedVar(dtMod); + wxUnusedVar(dtCreate); #endif // platforms wxLogSysError(_("Failed to modify file times for '%s'"), GetFullPath().c_str()); - return FALSE; + return false; } -bool wxFileName::Touch() +bool wxFileName::Touch() const { #if defined(__UNIX_LIKE__) // under Unix touching file is simple: just pass NULL to utime() - if ( utime(GetFullPath(), NULL) == 0 ) + if ( utime(GetFullPath().fn_str(), NULL) == 0 ) { - return TRUE; + return true; } wxLogSysError(_("Failed to touch the file '%s'"), GetFullPath().c_str()); - return FALSE; + return false; #else // other platform wxDateTime dtNow = wxDateTime::Now(); - return SetTimes(NULL /* don't change create time */, &dtNow, &dtNow); + return SetTimes(&dtNow, &dtNow, NULL /* don't change create time */); #endif // platforms } bool wxFileName::GetTimes(wxDateTime *dtAccess, wxDateTime *dtMod, - wxDateTime *dtChange) const + wxDateTime *dtCreate) const { -#if defined(__UNIX_LIKE__) - wxStructStat stBuf; - if ( wxStat(GetFullPath(), &stBuf) == 0 ) +#if defined(__WIN32__) + // we must use different methods for the files and directories under + // Windows as CreateFile(GENERIC_READ) doesn't work for the directories and + // CreateFile(FILE_FLAG_BACKUP_SEMANTICS) works -- but only under NT and + // not 9x + bool ok; + FILETIME ftAccess, ftCreate, ftWrite; + if ( IsDir() ) + { + // implemented in msw/dir.cpp + extern bool wxGetDirectoryTimes(const wxString& dirname, + FILETIME *, FILETIME *, FILETIME *); + + // we should pass the path without the trailing separator to + // wxGetDirectoryTimes() + ok = wxGetDirectoryTimes(GetPath(wxPATH_GET_VOLUME), + &ftAccess, &ftCreate, &ftWrite); + } + else // file + { + wxFileHandle fh(GetFullPath(), wxFileHandle::ReadAttr); + if ( fh.IsOk() ) + { + ok = ::GetFileTime(fh, + dtCreate ? &ftCreate : NULL, + dtAccess ? &ftAccess : NULL, + dtMod ? &ftWrite : NULL) != 0; + } + else + { + ok = false; + } + } + + if ( ok ) { + if ( dtCreate ) + ConvertFileTimeToWx(dtCreate, ftCreate); if ( dtAccess ) - dtAccess->Set(stBuf.st_atime); + ConvertFileTimeToWx(dtAccess, ftAccess); if ( dtMod ) - dtMod->Set(stBuf.st_mtime); - if ( dtChange ) - dtChange->Set(stBuf.st_ctime); + ConvertFileTimeToWx(dtMod, ftWrite); - return TRUE; + return true; } -#elif defined(__WXMAC__) +#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 ( wxStat( GetFullPath(), &stBuf) == 0 ) { if ( dtAccess ) dtAccess->Set(stBuf.st_atime); if ( dtMod ) dtMod->Set(stBuf.st_mtime); - if ( dtChange ) - dtChange->Set(stBuf.st_ctime); + if ( dtCreate ) + dtCreate->Set(stBuf.st_ctime); - return TRUE; + return true; } +#else // other platform + wxUnusedVar(dtAccess); + wxUnusedVar(dtMod); + wxUnusedVar(dtCreate); +#endif // platforms + + wxLogSysError(_("Failed to retrieve file times for '%s'"), + GetFullPath().c_str()); + + return false; +} + +#endif // wxUSE_DATETIME + + +// ---------------------------------------------------------------------------- +// 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 fh(GetFullPath()); - if ( fh.IsOk() ) + wxFileHandle f(filename, wxFileHandle::ReadAttr); + if (!f.IsOk()) + return wxInvalidSize; + + DWORD lpFileSizeHigh; + DWORD ret = GetFileSize(f, &lpFileSizeHigh); + if ( ret == INVALID_FILE_SIZE && ::GetLastError() != NO_ERROR ) + return wxInvalidSize; + + return wxULongLong(lpFileSizeHigh, ret); +#else // ! __WIN32__ + wxStructStat st; + if (wxStat( filename, &st) != 0) + return wxInvalidSize; + return wxULongLong(st.st_size); +#endif +} + +/* static */ +wxString wxFileName::GetHumanReadableSize(const wxULongLong &bs, + const wxString &nullsize, + int precision, + wxSizeConvention conv) +{ + // deal with trivial case first + if ( bs == 0 || bs == wxInvalidSize ) + return nullsize; + + // 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 ) { - FILETIME ftAccess, ftCreate, ftWrite; + case wxSIZE_CONV_TRADITIONAL: + // nothing to do, this corresponds to the default values of both + // the multiplier and infix string + break; - if ( ::GetFileTime(fh, - dtMod ? &ftCreate : NULL, - dtAccess ? &ftAccess : NULL, - dtChange ? &ftWrite : NULL) ) + 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 result; +} + +wxULongLong wxFileName::GetSize() const +{ + return GetSize(GetFullPath()); +} + +wxString wxFileName::GetHumanReadableSize(const wxString& failmsg, + int precision, + wxSizeConvention conv) const +{ + return GetHumanReadableSize(GetSize(), failmsg, precision, conv); +} + +#endif // wxUSE_LONGLONG + +// ---------------------------------------------------------------------------- +// Mac-specific functions +// ---------------------------------------------------------------------------- + +#if defined( __WXOSX_MAC__ ) && wxOSX_USE_CARBON + +namespace +{ + +class MacDefaultExtensionRecord +{ +public: + MacDefaultExtensionRecord() + { + m_type = + m_creator = 0 ; + } + + // default copy ctor, assignment operator and dtor are ok + + 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); + +MacDefaultExtensionArray gMacDefaultExtensions; + +// load the default extensions +const MacDefaultExtensionRecord gDefaults[] = +{ + MacDefaultExtensionRecord( "txt", 'TEXT', 'ttxt' ), + MacDefaultExtensionRecord( "tif", 'TIFF', '****' ), + MacDefaultExtensionRecord( "jpg", 'JPEG', '****' ), +}; + +void MacEnsureDefaultExtensionsLoaded() +{ + if ( !gMacDefaultExtensionsInited ) + { + // we could load the pc exchange prefs here too + for ( size_t i = 0 ; i < WXSIZEOF( gDefaults ) ; ++i ) { - if ( dtMod ) - ConvertFileTimeToWx(dtMod, ftCreate); - if ( dtAccess ) - ConvertFileTimeToWx(dtAccess, ftAccess); - if ( dtChange ) - ConvertFileTimeToWx(dtChange, ftWrite); - - return TRUE; + gMacDefaultExtensions.Add( gDefaults[i] ) ; } + gMacDefaultExtensionsInited = true; } -#else // other platform -#endif // platforms +} - wxLogSysError(_("Failed to retrieve file times for '%s'"), - GetFullPath().c_str()); +} // anonymous namespace + +bool wxFileName::MacSetTypeAndCreator( wxUint32 type , wxUint32 creator ) +{ + FSRef fsRef ; + FSCatalogInfo catInfo; + FileInfo *finfo ; + + if ( wxMacPathToFSRef( GetFullPath() , &fsRef ) == noErr ) + { + if ( FSGetCatalogInfo (&fsRef, kFSCatInfoFinderInfo, &catInfo, NULL, NULL, NULL) == noErr ) + { + finfo = (FileInfo*)&catInfo.finderInfo; + finfo->fileType = type ; + finfo->fileCreator = creator ; + FSSetCatalogInfo( &fsRef, kFSCatInfoFinderInfo, &catInfo ) ; + return true ; + } + } + return false ; +} + +bool wxFileName::MacGetTypeAndCreator( wxUint32 *type , wxUint32 *creator ) const +{ + FSRef fsRef ; + FSCatalogInfo catInfo; + FileInfo *finfo ; + + if ( wxMacPathToFSRef( GetFullPath() , &fsRef ) == noErr ) + { + if ( FSGetCatalogInfo (&fsRef, kFSCatInfoFinderInfo, &catInfo, NULL, NULL, NULL) == noErr ) + { + finfo = (FileInfo*)&catInfo.finderInfo; + *type = finfo->fileType ; + *creator = finfo->fileCreator ; + return true ; + } + } + return false ; +} + +bool wxFileName::MacSetDefaultTypeAndCreator() +{ + wxUint32 type , creator ; + if ( wxFileName::MacFindDefaultTypeAndCreator(GetExt() , &type , + &creator ) ) + { + return MacSetTypeAndCreator( type , creator ) ; + } + return false; +} + +bool wxFileName::MacFindDefaultTypeAndCreator( const wxString& ext , wxUint32 *type , wxUint32 *creator ) +{ + MacEnsureDefaultExtensionsLoaded() ; + wxString extl = ext.Lower() ; + for( int i = gMacDefaultExtensions.Count() - 1 ; i >= 0 ; --i ) + { + if ( gMacDefaultExtensions.Item(i).m_ext == extl ) + { + *type = gMacDefaultExtensions.Item(i).m_type ; + *creator = gMacDefaultExtensions.Item(i).m_creator ; + return true ; + } + } + return false ; +} - return FALSE; +void wxFileName::MacRegisterDefaultTypeAndCreator( const wxString& ext , wxUint32 type , wxUint32 creator ) +{ + MacEnsureDefaultExtensionsLoaded(); + MacDefaultExtensionRecord rec(ext.Lower(), type, creator); + gMacDefaultExtensions.Add( rec ); } +#endif // defined( __WXOSX_MAC__ ) && wxOSX_USE_CARBON