X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/b70a2866d5dfc22a0888f874b4b9cd0b97a1760d..69659fd770f615210efac4b4fa741b3ad6223616:/src/common/filename.cpp?ds=sidebyside diff --git a/src/common/filename.cpp b/src/common/filename.cpp index c6e42ca232..2d583d2719 100644 --- a/src/common/filename.cpp +++ b/src/common/filename.cpp @@ -75,6 +75,7 @@ #include "wx/intl.h" #include "wx/log.h" #include "wx/utils.h" + #include "wx/crt.h" #endif #include "wx/filename.h" @@ -138,7 +139,9 @@ #endif +#if wxUSE_LONGLONG wxULongLong wxInvalidSize = (unsigned)-1; +#endif // wxUSE_LONGLONG // ---------------------------------------------------------------------------- @@ -162,7 +165,7 @@ public: { m_hFile = ::CreateFile ( - filename, // name + filename.fn_str(), // name mode == Read ? GENERIC_READ // access mask : GENERIC_WRITE, FILE_SHARE_READ | // sharing mode @@ -175,9 +178,12 @@ public: if ( m_hFile == INVALID_HANDLE_VALUE ) { - wxLogSysError(_("Failed to open '%s' for %s"), - filename.c_str(), - mode == Read ? _("reading") : _("writing")); + if ( mode == Read ) + wxLogSysError(_("Failed to open '%s' for reading"), + filename.c_str()); + else + wxLogSysError(_("Failed to open '%s' for writing"), + filename.c_str()); } } @@ -284,6 +290,17 @@ static wxString wxGetVolumeString(const wxString& volume, wxPathFormat format) return path; } +// 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; +} + // ============================================================================ // implementation // ============================================================================ @@ -307,9 +324,28 @@ void wxFileName::Assign(const wxString& volume, const wxString& name, const wxString& ext, bool hasExt, - wxPathFormat format ) + wxPathFormat format) { - SetPath( path, 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; @@ -427,7 +463,7 @@ void wxFileName::Assign(const wxString& fullpathOrig, // always recognize fullpath as directory, even if it doesn't end with a // slash wxString fullpath = fullpathOrig; - if ( !wxEndsWithPathSeparator(fullpath) ) + if ( !fullpath.empty() && !wxEndsWithPathSeparator(fullpath) ) { fullpath += GetPathSeparator(format); } @@ -616,10 +652,10 @@ static int wxOpenWithDeleteOnClose(const wxString& filename) DWORD attributes = FILE_ATTRIBUTE_TEMPORARY | FILE_FLAG_DELETE_ON_CLOSE; - HANDLE h = ::CreateFile(filename, access, 0, NULL, + HANDLE h = ::CreateFile(filename.fn_str(), access, 0, NULL, disposition, attributes, NULL); - return wxOpenOSFHandle(h, 0); + return wxOpenOSFHandle(h, wxO_BINARY); } #endif // wxOpenOSFHandle @@ -649,7 +685,7 @@ static bool wxTempOpen(wxFFile *file, const wxString& path, bool *deleteOnClose) return file->Open(path, _T("w+b")); #else // wx_fdopen int fd = wxTempOpen(path, deleteOnClose); - if (fd != -1) + if (fd == -1) return false; file->Attach(wx_fdopen(fd, "w+b")); return file->IsOpened(); @@ -697,24 +733,10 @@ static wxString wxCreateTempImpl( if (dir.empty()) { - dir = wxGetenv(_T("TMPDIR")); - if (dir.empty()) - { - dir = wxGetenv(_T("TMP")); - if (dir.empty()) - { - dir = wxGetenv(_T("TEMP")); - } - } + dir = wxFileName::GetTempDir(); } #if defined(__WXWINCE__) - if (dir.empty()) - { - // FIXME. Create \temp dir? - if (wxFileName::DirExists(wxT("\\temp"))) - dir = wxT("\\temp"); - } path = dir + wxT("\\") + name; int i = 1; while (wxFileName::FileExists(path)) @@ -725,28 +747,8 @@ static wxString wxCreateTempImpl( } #elif defined(__WINDOWS__) && !defined(__WXMICROWIN__) - - if ( dir.empty() ) - { - if ( !::GetTempPath(MAX_PATH, wxStringBuffer(dir, MAX_PATH + 1)) ) - { - wxLogLastError(_T("GetTempPath")); - } - - if ( dir.empty() ) - { - // GetTempFileName() fails if we pass it an empty string - dir = _T('.'); - } - } - else // we have a dir to create the file in - { - // ensure we use only the back slashes as GetTempFileName(), unlike all - // the other APIs, is picky and doesn't accept the forward ones - dir.Replace(_T("/"), _T("\\")); - } - - if ( !::GetTempFileName(dir, name, 0, wxStringBuffer(path, MAX_PATH + 1)) ) + if ( !::GetTempFileName(dir.fn_str(), name.fn_str(), 0, + wxStringBuffer(path, MAX_PATH + 1)) ) { wxLogLastError(_T("GetTempFileName")); @@ -754,18 +756,6 @@ static wxString wxCreateTempImpl( } #else // !Windows - 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 - } - path = dir; if ( !wxEndsWithPathSeparator(dir) && @@ -781,7 +771,7 @@ static wxString wxCreateTempImpl( path += _T("XXXXXX"); // we need to copy the path to the buffer in which mkstemp() can modify it - wxCharBuffer buf( wxConvFile.cWX2MB( path ) ); + wxCharBuffer buf(path.fn_str()); // cast is safe because the string length doesn't change int fdTemp = mkstemp( (char*)(const char*) buf ); @@ -1036,6 +1026,59 @@ wxFileName::CreateTempFileName(const wxString& prefix, wxFFile *fileTemp) // directory operations // ---------------------------------------------------------------------------- +wxString wxFileName::GetTempDir() +{ + 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()) + { + // FIXME. Create \temp dir? + if (DirExists(wxT("\\temp"))) + dir = wxT("\\temp"); + } +#elif defined(__WINDOWS__) && !defined(__WXMICROWIN__) + + if ( dir.empty() ) + { + if ( !::GetTempPath(MAX_PATH, wxStringBuffer(dir, MAX_PATH + 1)) ) + { + wxLogLastError(_T("GetTempPath")); + } + + if ( dir.empty() ) + { + // GetTempFileName() fails if we pass it an empty string + dir = _T('.'); + } + } +#else // !Windows + + 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 + } +#endif + + return dir; +} + bool wxFileName::Mkdir( int perm, int flags ) { return wxFileName::Mkdir(GetPath(), perm, flags); @@ -1125,7 +1168,7 @@ bool wxFileName::Normalize(int flags, format = GetFormat(format); - // make the path absolute + // set up the directory to use for making the path absolute later if ( (flags & wxPATH_NORM_ABSOLUTE) && !IsAbsolute(format) ) { if ( cwd.empty() ) @@ -1136,20 +1179,6 @@ bool wxFileName::Normalize(int flags, { curDir.AssignDir(cwd); } - - // 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()); - - if ( !m_relative ) - { - // yes, it was the case - we don't need curDir then - curDir.Clear(); - } - } } // handle ~ stuff under Unix only @@ -1160,8 +1189,18 @@ bool wxFileName::Normalize(int flags, wxString dir = dirs[0u]; if ( !dir.empty() && dir[0u] == _T('~') ) { + // 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); } } @@ -1170,14 +1209,34 @@ bool wxFileName::Normalize(int flags, // transform relative path into abs one if ( curDir.IsOk() ) { - wxArrayString dirsNew = curDir.GetDirs(); - size_t count = dirs.GetCount(); - for ( size_t n = 0; n < count; n++ ) + // 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 ) { - dirsNew.Add(dirs[n]); + // yes, it was the case - we don't need curDir then + curDir.Clear(); + } } - dirs = dirsNew; + // 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.IsAbsolute(format) ) + { + // 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 @@ -1243,11 +1302,6 @@ bool wxFileName::Normalize(int flags, m_ext.MakeLower(); } - // we do have the path now - // - // NB: need to do this before (maybe) calling Assign() below - m_relative = false; - #if defined(__WIN32__) if ( (flags & wxPATH_NORM_LONG) && (format == wxPATH_DOS) ) { @@ -1751,13 +1805,13 @@ wxString wxFileName::GetShortPath() const wxString path(GetFullPath()); #if defined(__WXMSW__) && defined(__WIN32__) && !defined(__WXMICROWIN__) && !defined(__WXWINCE__) - DWORD sz = ::GetShortPathName(path, NULL, 0); + DWORD sz = ::GetShortPathName(path.fn_str(), NULL, 0); if ( sz != 0 ) { wxString pathOut; if ( ::GetShortPathName ( - path, + path.fn_str(), wxStringBuffer(pathOut, sz), sz ) != 0 ) @@ -1776,7 +1830,7 @@ wxString wxFileName::GetLongPath() const wxString pathOut, path = GetFullPath(); -#if defined(__WIN32__) && !defined(__WXMICROWIN__) +#if defined(__WIN32__) && !defined(__WXWINCE__) && !defined(__WXMICROWIN__) #if wxUSE_DYNAMIC_LOADER typedef DWORD (WINAPI *GET_LONG_PATH_NAME)(const wxChar *, wxChar *, DWORD); @@ -1815,12 +1869,12 @@ wxString wxFileName::GetLongPath() const if ( s_pfnGetLongPathName ) { - DWORD dwSize = (*s_pfnGetLongPathName)(path, NULL, 0); + DWORD dwSize = (*s_pfnGetLongPathName)(path.fn_str(), NULL, 0); if ( dwSize > 0 ) { if ( (*s_pfnGetLongPathName) ( - path, + path.fn_str(), wxStringBuffer(pathOut, dwSize), dwSize ) != 0 ) @@ -1870,7 +1924,7 @@ wxString wxFileName::GetLongPath() const continue; } - hFind = ::FindFirstFile(tmpPath, &findFileData); + hFind = ::FindFirstFile(tmpPath.fn_str(), &findFileData); if (hFind == INVALID_HANDLE_VALUE) { // Error: most likely reason is that path doesn't exist, so @@ -1927,23 +1981,18 @@ wxFileName::SplitVolume(const wxString& fullpathWithVolume, wxString fullpath = fullpathWithVolume; // special Windows UNC paths hack: transform \\share\path into share:path - if ( format == wxPATH_DOS ) + if ( IsUNCPath(fullpath, format) ) { - if ( fullpath.length() >= 4 && - fullpath[0u] == wxFILE_SEP_PATH_DOS && - fullpath[1u] == wxFILE_SEP_PATH_DOS ) - { - fullpath.erase(0, 2); + fullpath.erase(0, 2); - size_t posFirstSlash = - fullpath.find_first_of(GetPathTerminators(format)); - if ( posFirstSlash != wxString::npos ) - { - fullpath[posFirstSlash] = wxFILE_SEP_DSK; + 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); - } + // UNC paths are always absolute, right? (FIXME) + fullpath.insert(posFirstSlash + 1, 1, wxFILE_SEP_PATH_DOS); } } @@ -2199,7 +2248,7 @@ 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, @@ -2238,6 +2287,7 @@ bool wxFileName::GetTimes(wxDateTime *dtAccess, return true; } #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 ) { @@ -2269,6 +2319,8 @@ bool wxFileName::GetTimes(wxDateTime *dtAccess, // file size functions // ---------------------------------------------------------------------------- +#if wxUSE_LONGLONG + /* static */ wxULongLong wxFileName::GetSize(const wxString &filename) { @@ -2285,14 +2337,11 @@ wxULongLong wxFileName::GetSize(const wxString &filename) DWORD lpFileSizeHigh; DWORD ret = GetFileSize(f, &lpFileSizeHigh); - if (ret == INVALID_FILE_SIZE) + if ( ret == INVALID_FILE_SIZE && ::GetLastError() != NO_ERROR ) return wxInvalidSize; - // compose the low-order and high-order byte sizes - return wxULongLong(ret | (lpFileSizeHigh << sizeof(WORD)*2)); - -#else // ! __WIN32__ - + return wxULongLong(lpFileSizeHigh, ret); +#else // ! __WIN32__ wxStructStat st; #ifndef wxNEED_WX_UNISTD_H if (wxStat( filename.fn_str() , &st) != 0) @@ -2340,6 +2389,7 @@ wxString wxFileName::GetHumanReadableSize(const wxString &failmsg, int precision return GetHumanReadableSize(GetSize(), failmsg, precision); } +#endif // wxUSE_LONGLONG // ---------------------------------------------------------------------------- // Mac-specific functions