X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/a35b27b14da8454a3d89d52dcf7d32212a2a5eeb..1f020bfb92275cbc5130526d2bc12f4da15b13f2:/src/common/filename.cpp diff --git a/src/common/filename.cpp b/src/common/filename.cpp index 7fa61c0a55..a74aa0fa4b 100644 --- a/src/common/filename.cpp +++ b/src/common/filename.cpp @@ -1,492 +1,2064 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: filename.cpp -// Purpose: wxFileName - encapsulates candy -// Author: Robert Roebling +// Name: src/common/filename.cpp +// Purpose: wxFileName - encapsulates a file path +// Author: Robert Roebling, Vadim Zeitlin // Modified by: // Created: 28.12.2000 // RCS-ID: $Id$ // Copyright: (c) 2000 Robert Roebling -// Licence: wxWindows license +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -#ifdef __GNUG__ - #pragma implementation "filename.h" +/* + Here are brief descriptions of the filename formats supported by this class: + + 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: + 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 + + 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 + or + :[000000.dir1.dir2.dir3]file.txt + + the is the physical device (i.e. disk). 000000 is the + root directory on the device which can be omitted. + + 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 + . separator between directory and subdirectory + ] between directory and file + */ + +// ============================================================================ +// declarations +// ============================================================================ + +// ---------------------------------------------------------------------------- +// headers +// ---------------------------------------------------------------------------- + +#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) +#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 - #include "wx/intl.h" - #include "wx/log.h" +#include "wx/intl.h" +#include "wx/log.h" +#include "wx/file.h" #endif #include "wx/filename.h" #include "wx/tokenzr.h" +#include "wx/config.h" // for wxExpandEnvVars #include "wx/utils.h" +#include "wx/file.h" +#include "wx/dynlib.h" -//---------------------------------------------------------------------------- -// wxFileName -//---------------------------------------------------------------------------- +// For GetShort/LongPathName +#ifdef __WIN32__ +#include "wx/msw/wrapwin.h" +#endif -wxFileName::wxFileName( const wxFileName &filepath ) -{ - m_ext = filepath.GetExt(); - m_name = filepath.GetName(); - const wxArrayString &dirs = filepath.GetDirs(); - for (size_t i = 0; i < dirs.GetCount(); i++) - m_dirs.Add( dirs[i] ); -} +#ifdef __WXWINCE__ +#include "wx/msw/private.h" +#endif -void wxFileName::Assign( const wxFileName &filepath ) -{ - m_dirs.Clear(); - m_ext = filepath.GetExt(); - m_name = filepath.GetName(); - const wxArrayString &dirs = filepath.GetDirs(); - for (size_t i = 0; i < dirs.GetCount(); i++) - m_dirs.Add( dirs[i] ); -} +#if defined(__WXMAC__) + #include "wx/mac/private.h" // includes mac headers +#endif + +// utime() is POSIX so should normally be available on all Unices +#ifdef __UNIX_LIKE__ +#include +#include +#include +#include +#endif + +#ifdef __DJGPP__ +#include +#endif + +#ifdef __MWERKS__ +#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 + +// ---------------------------------------------------------------------------- +// private classes +// ---------------------------------------------------------------------------- + +// small helper class which opens and closes the file - we use it just to get +// a file handle for the given file name to pass it to some Win32 API function +#if defined(__WIN32__) && !defined(__WXMICROWIN__) -void wxFileName::Assign( const wxString &path, bool dir_only, wxPathFormat format ) +class wxFileHandle { - m_ext = wxEmptyString; - m_name = wxEmptyString; - m_dirs.Clear(); +public: + enum OpenMode + { + Read, + Write + }; - format = GetFormat( format ); + wxFileHandle(const wxString& filename, OpenMode mode) + { + m_hFile = ::CreateFile + ( + filename, // name + mode == Read ? GENERIC_READ // access mask + : GENERIC_WRITE, + FILE_SHARE_READ | // sharing mode + FILE_SHARE_WRITE, // (allow everything) + NULL, // no secutity attr + OPEN_EXISTING, // creation disposition + 0, // no flags + NULL // no template file + ); - wxString seps; - if (format == wxPATH_DOS) + if ( m_hFile == INVALID_HANDLE_VALUE ) + { + wxLogSysError(_("Failed to open '%s' for %s"), + filename.c_str(), + mode == Read ? _("reading") : _("writing")); + } + } + + ~wxFileHandle() { - seps = "/\\"; + if ( m_hFile != INVALID_HANDLE_VALUE ) + { + if ( !::CloseHandle(m_hFile) ) + { + wxLogSysError(_("Failed to close file handle")); + } + } } - else - if (format == wxPATH_UNIX) + + // return true only if the file could be opened successfully + bool IsOk() const { return m_hFile != INVALID_HANDLE_VALUE; } + + // get the handle + operator HANDLE() const { return m_hFile; } + +private: + HANDLE m_hFile; +}; + +#endif // __WIN32__ + +// ---------------------------------------------------------------------------- +// private functions +// ---------------------------------------------------------------------------- + +#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. + +static void ConvertFileTimeToWx(wxDateTime *dt, const FILETIME &ft) +{ + FILETIME ftcopy = ft; + FILETIME ftLocal; + if ( !::FileTimeToLocalFileTime(&ftcopy, &ftLocal) ) { - seps = "/"; + wxLogLastError(_T("FileTimeToLocalFileTime")); } - else + + SYSTEMTIME st; + if ( !::FileTimeToSystemTime(&ftLocal, &st) ) { - seps = ":"; + wxLogLastError(_T("FileTimeToSystemTime")); } - - wxStringTokenizer tn( path, seps ); - while (tn.HasMoreTokens()) + + 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) +{ + SYSTEMTIME st; + st.wDay = dt.GetDay(); + st.wMonth = dt.GetMonth() + 1; + st.wYear = dt.GetYear(); + st.wHour = dt.GetHour(); + st.wMinute = dt.GetMinute(); + st.wSecond = dt.GetSecond(); + st.wMilliseconds = dt.GetMillisecond(); + + FILETIME ftLocal; + if ( !::SystemTimeToFileTime(&st, &ftLocal) ) { - wxString token( tn.GetNextToken() ); - if (!token.IsEmpty()) - m_dirs.Add( token ); + wxLogLastError(_T("SystemTimeToFileTime")); } - - if (!dir_only) - { - // make last m_dir -> m_name - size_t last = m_dirs.GetCount(); - if (last == 0) return; - last--; - m_name = m_dirs[last]; - m_dirs.Remove( last ); - - if (m_name == wxT(".")) return; - if (m_name == wxT("..")) return; - - // ext? - int pos = m_name.Find( wxT('.') ); - if (pos == -1) return; - - bool has_starting_dot = (pos == 0); - if (has_starting_dot && (format == wxPATH_UNIX)) - { - // remove dot - m_name.Remove(0,1); - - // search again - pos = m_name.Find( wxT('.') ); - if (pos == -1) - { - // add dot back - m_name.Prepend( "." ); - return; - } + + if ( !::LocalFileTimeToFileTime(&ftLocal, ft) ) + { + wxLogLastError(_T("LocalFileTimeToFileTime")); + } +} + +#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 ) + { + path << wxFILE_SEP_PATH_DOS << wxFILE_SEP_PATH_DOS << volume; } - m_ext = m_name; - m_ext.Remove( 0, pos+1 ); - - m_name.Remove( pos, m_name.Len()-pos ); - - if (has_starting_dot && (format == wxPATH_UNIX)) + else if ( format == wxPATH_DOS || format == wxPATH_VMS ) { - // add dot back - m_name.Prepend( "." ); - return; + path << volume << wxFileName::GetVolumeSeparator(format); } + // else ignore } -} -bool wxFileName::FileExists() -{ - return wxFileName::FileExists( GetFullPath() ); + return path; } -bool wxFileName::FileExists( const wxString &file ) +// ============================================================================ +// implementation +// ============================================================================ + +// ---------------------------------------------------------------------------- +// wxFileName construction +// ---------------------------------------------------------------------------- + +void wxFileName::Assign( const wxFileName &filepath ) { - return ::wxFileExists( file ); + m_volume = filepath.GetVolume(); + m_dirs = filepath.GetDirs(); + m_name = filepath.GetName(); + m_ext = filepath.GetExt(); + m_relative = filepath.m_relative; } -bool wxFileName::DirExists() +void wxFileName::Assign(const wxString& volume, + const wxString& path, + const wxString& name, + const wxString& ext, + wxPathFormat format ) { - return wxFileName::DirExists( GetFullPath() ); + SetPath( path, format ); + + m_volume = volume; + m_ext = ext; + m_name = name; } -bool wxFileName::DirExists( const wxString &dir ) +void wxFileName::SetPath( const wxString &path, wxPathFormat format ) { - return ::wxDirExists( dir ); + m_dirs.Clear(); + + if ( !path.empty() ) + { + wxPathFormat my_format = GetFormat( format ); + wxString my_path = path; + + // 1) Determine if the path is relative or absolute. + wxChar leadingChar = my_path[0u]; + + switch (my_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) + my_path.erase( 0, 1 ); + break; + + case wxPATH_VMS: + // TODO: what is the relative path format here? + m_relative = false; + break; + + default: + wxFAIL_MSG( _T("Unknown path format") ); + // !! Fall through !! + + case wxPATH_UNIX: + // the paths of the form "~" or "~username" are absolute + m_relative = leadingChar != wxT('/') && leadingChar != _T('~'); + break; + + case wxPATH_DOS: + m_relative = !IsPathSeparator(leadingChar, my_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( my_path, GetPathSeparators(my_format) ); + + while ( tn.HasMoreTokens() ) + { + wxString token = tn.GetNextToken(); + + // Remove empty token under DOS and Unix, interpret them + // as .. under Mac. + if (token.empty()) + { + if (my_format == wxPATH_MAC) + m_dirs.Add( wxT("..") ); + // else ignore + } + else + { + m_dirs.Add( token ); + } + } + } + else // no path at all + { + m_relative = true; + } } -void wxFileName::AssignCwd() +void wxFileName::Assign(const wxString& fullpath, + wxPathFormat format) { - Assign( wxFileName::GetCwd(), TRUE ); + wxString volume, path, name, ext; + SplitPath(fullpath, &volume, &path, &name, &ext, format); + + Assign(volume, path, name, ext, format); } -wxString wxFileName::GetCwd() +void wxFileName::Assign(const wxString& fullpathOrig, + const wxString& fullname, + wxPathFormat format) { - return ::wxGetCwd(); + // always recognize fullpath as directory, even if it doesn't end with a + // slash + wxString fullpath = fullpathOrig; + if ( !wxEndsWithPathSeparator(fullpath) ) + { + fullpath += GetPathSeparator(format); + } + + wxString volume, path, name, ext; + + // do some consistency checks in debug mode: the name should be really just + // the filename and the path should be really just a path +#ifdef __WXDEBUG__ + wxString pathDummy, nameDummy, extDummy; + + SplitPath(fullname, &pathDummy, &name, &ext, format); + + wxASSERT_MSG( pathDummy.empty(), + _T("the file name shouldn't contain the path") ); + + SplitPath(fullpath, &volume, &path, &nameDummy, &extDummy, format); + + wxASSERT_MSG( nameDummy.empty() && extDummy.empty(), + _T("the path shouldn't contain file name nor extension") ); + +#else // !__WXDEBUG__ + SplitPath(fullname, NULL /* no path */, &name, &ext, format); + SplitPath(fullpath, &volume, &path, NULL, NULL, format); +#endif // __WXDEBUG__/!__WXDEBUG__ + + Assign(volume, path, name, ext, format); } -bool wxFileName::SetCwd() +void wxFileName::AssignDir(const wxString& dir, wxPathFormat format) { - return wxFileName::SetCwd( GetFullPath() ); + Assign(dir, _T(""), format); } -bool wxFileName::SetCwd( const wxString &cwd ) +void wxFileName::Clear() { - return ::wxSetWorkingDirectory( cwd ); + m_dirs.Clear(); + + m_volume = + m_name = + m_ext = wxEmptyString; + + // we don't have any absolute path for now + m_relative = true; } -void wxFileName::AssignHomeDir() +/* static */ +wxFileName wxFileName::FileName(const wxString& file, wxPathFormat format) { - Assign( wxFileName::GetHomeDir(), TRUE ); + return wxFileName(file, format); } - -wxString wxFileName::GetHomeDir() + +/* static */ +wxFileName wxFileName::DirName(const wxString& dir, wxPathFormat format) { - return ::wxGetHomeDir(); + wxFileName fn; + fn.AssignDir(dir, format); + return fn; } - -void wxFileName::AssignTempFileName( const wxString &prefix ) + +// ---------------------------------------------------------------------------- +// existence tests +// ---------------------------------------------------------------------------- + +bool wxFileName::FileExists() const { + return wxFileName::FileExists( GetFullPath() ); } -bool wxFileName::Mkdir( int perm ) +bool wxFileName::FileExists( const wxString &file ) { - return wxFileName::Mkdir( GetFullPath(), perm ); + return ::wxFileExists( file ); } -bool wxFileName::Mkdir( const wxString &dir, int perm ) +bool wxFileName::DirExists() const { - return ::wxMkdir( dir, perm ); + return wxFileName::DirExists( GetFullPath() ); } -bool wxFileName::Rmdir() +bool wxFileName::DirExists( const wxString &dir ) { - return wxFileName::Rmdir( GetFullPath() ); + return ::wxDirExists( dir ); } -bool wxFileName::Rmdir( const wxString &dir ) +// ---------------------------------------------------------------------------- +// CWD and HOME stuff +// ---------------------------------------------------------------------------- + +void wxFileName::AssignCwd(const wxString& volume) { - return ::wxRmdir( dir ); + AssignDir(wxFileName::GetCwd(volume)); } -bool wxFileName::Normalize( const wxString &cwd, const wxString &home ) +/* static */ +wxString wxFileName::GetCwd(const wxString& volume) { - wxFileName tmp( *this ); - m_dirs.Clear(); - const wxArrayString &dirs = tmp.GetDirs(); - - if (dirs.GetCount() == 0) return FALSE; - - size_t start = 0; - - if (dirs[0] == wxT(".")) - { - if (cwd == wxEmptyString) - Assign( wxFileName::GetCwd(), TRUE ); - else - Assign( cwd ); - start = 1; - } - else - if (dirs[0] == wxT("..")) - { - if (cwd == wxEmptyString) - Assign( wxFileName::GetCwd(), TRUE ); - else - Assign( cwd ); - m_dirs.Remove( m_dirs.GetCount()-1 ); - start = 1; - } - else - if (dirs[0] == wxT("~")) + // if we have the volume, we must get the current directory on this drive + // and to do this we have to chdir to this volume - at least under Windows, + // I don't know how to get the current drive on another volume elsewhere + // (TODO) + wxString cwdOld; + if ( !volume.empty() ) { - if (home == wxEmptyString) - Assign( wxFileName::GetHomeDir(), TRUE ); - else - Assign( home ); - start = 1; + cwdOld = wxGetCwd(); + SetCwd(volume + GetVolumeSeparator()); } - - for (size_t i = start; i < dirs.GetCount(); i++) + + wxString cwd = ::wxGetCwd(); + + if ( !volume.empty() ) { - if (dirs[i] == wxT(".")) continue; - - if (dirs[i] == wxT("..")) - { - m_dirs.Remove( m_dirs.GetCount()-1 ); - continue; - } - - // expand env vars here ? - - m_dirs.Add( dirs[i] ); + SetCwd(cwdOld); } - - m_name = tmp.GetName(); - m_ext = tmp.GetExt(); - - return TRUE; + + return cwd; } -bool wxFileName::SameAs( const wxFileName &filepath, bool upper_case ) +bool wxFileName::SetCwd() { - wxString file1( GetFullPath() ); - wxString file2( filepath.GetFullPath() ); - - if (upper_case) - { - file1.MakeUpper(); // what does MSW do to non-ascii chars etc? native funcs? - file2.MakeUpper(); - } - - return (file1 == file2); + return wxFileName::SetCwd( GetFullPath() ); } -bool wxFileName::IsCaseSensitive( wxPathFormat format ) +bool wxFileName::SetCwd( const wxString &cwd ) { - format = GetFormat( format ); - - return (format != wxPATH_DOS); + return ::wxSetWorkingDirectory( cwd ); } -bool wxFileName::IsRelative( wxPathFormat format ) +void wxFileName::AssignHomeDir() { - format = GetFormat( format ); - - for (size_t i = 0; i < m_dirs.GetCount(); i++) - { - if ((format == wxPATH_UNIX) && (i == 0) && (m_dirs[0] == wxT("~"))) return TRUE; - - if (m_dirs[i] == wxT(".")) return TRUE; - if (m_dirs[i] == wxT("..")) return TRUE; - } - - return FALSE; + AssignDir(wxFileName::GetHomeDir()); } -bool wxFileName::IsAbsolute( wxPathFormat format ) +wxString wxFileName::GetHomeDir() { - return (!IsRelative(format)); + return ::wxGetHomeDir(); } -bool wxFileName::IsWild( wxPathFormat format ) +void wxFileName::AssignTempFileName(const wxString& prefix, wxFile *fileTemp) { - format = GetFormat( format ); - - if (format == wxPATH_DOS) + wxString tempname = CreateTempFileName(prefix, fileTemp); + if ( tempname.empty() ) { - if (m_name.Find( wxT('*') ) != -1) return TRUE; - if (m_name.Find( wxT('?') ) != -1) return TRUE; + // error, failed to get temp file name + Clear(); } - else + else // ok { - if (m_name.Find( wxT('*') ) != -1) return TRUE; + Assign(tempname); } - - return FALSE; -} - -void wxFileName::AppendDir( const wxString &dir ) -{ - m_dirs.Add( dir ); -} - -void wxFileName::PrependDir( const wxString &dir ) -{ - m_dirs.Insert( dir, 0 ); } -void wxFileName::InsertDir( int before, const wxString &dir ) +/* static */ +wxString +wxFileName::CreateTempFileName(const wxString& prefix, wxFile *fileTemp) { - m_dirs.Insert( dir, before ); -} + wxString path, dir, name; -void wxFileName::RemoveDir( int pos ) -{ - m_dirs.Remove( (size_t)pos ); -} + // use the directory specified by the prefix + SplitPath(prefix, &dir, &name, NULL /* extension */); -void wxFileName::SetFullName( const wxString name, wxPathFormat format ) -{ - format = GetFormat( format ); - - m_name = name; - - if (m_name == wxT(".")) return; - if (m_name == wxT("..")) return; - - // ext? - int pos = m_name.Find( wxT('.') ); - if (pos == -1) return; - - bool has_starting_dot = (pos == 0); - if (has_starting_dot && (format == wxPATH_UNIX)) - { - // remove dot - m_name.Remove(0,1); - - // search again - pos = m_name.Find( wxT('.') ); - if (pos == -1) - { - // add dot back - m_name.Prepend( "." ); - return; - } +#if defined(__WXWINCE__) + if (dir.empty()) + { + // FIXME. Create \temp dir? + dir = wxT("\\"); } - - m_ext = m_name; - m_ext.Remove( 0, pos+1 ); - - m_name.Remove( pos, m_name.Len()-pos ); - - if (has_starting_dot && (format == wxPATH_UNIX)) + path = dir + wxT("\\") + prefix; + int i = 1; + while (wxFileExists(path)) { - // add dot back - m_name.Prepend( "." ); - return; + path = dir + wxT("\\") + prefix ; + path << i; + i ++; } -} -wxString wxFileName::GetFullName() -{ - wxString ret( m_name ); - if (!m_ext.IsEmpty()) - { - ret += '.'; - ret += m_ext; - } - return ret; -} +#elif defined(__WINDOWS__) && !defined(__WXMICROWIN__) -wxString wxFileName::GetPath( bool add_separator, wxPathFormat format ) const -{ - format = GetFormat( format ); - - wxString ret; - if (format == wxPATH_DOS) + if ( dir.empty() ) { - for (size_t i = 0; i < m_dirs.GetCount(); i++) + if ( !::GetTempPath(MAX_PATH, wxStringBuffer(dir, MAX_PATH + 1)) ) { - ret += m_dirs[i]; - if (add_separator || (i != m_dirs.GetCount()-1)) - ret += '\\'; + wxLogLastError(_T("GetTempPath")); } - } - else - if (format == wxPATH_UNIX) - { - ret = '/'; // FIXME: must be absolute - for (size_t i = 0; i < m_dirs.GetCount(); i++) + + if ( dir.empty() ) { - ret += m_dirs[i]; - if (add_separator || (i != m_dirs.GetCount()-1)) - ret += '/'; + // GetTempFileName() fails if we pass it an empty string + dir = _T('.'); } } - else + else // we have a dir to create the file in { - for (size_t i = 0; i < m_dirs.GetCount(); i++) - { - ret += m_dirs[i]; - if (add_separator || (i != m_dirs.GetCount()-1)) - ret += ":"; - } + // 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)) ) + { + wxLogLastError(_T("GetTempFileName")); + + path.clear(); + } + +#else // !Windows + if ( dir.empty() ) + { +#if defined(__WXMAC__) && !defined(__DARWIN__) + dir = wxMacFindFolder( (short) kOnSystemDisk, kTemporaryFolderType, kCreateFolder ) ; +#else // !Mac + dir = wxGetenv(_T("TMP")); + if ( dir.empty() ) + { + dir = wxGetenv(_T("TEMP")); + } + + if ( dir.empty() ) + { + // default + #if defined(__DOS__) || defined(__OS2__) + dir = _T("."); + #else + dir = _T("/tmp"); + #endif + } +#endif // Mac/!Mac + } + + 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 += _T("XXXXXX"); + + // we need to copy the path to the buffer in which mkstemp() can modify it + wxCharBuffer buf( wxConvFile.cWX2MB( path ) ); + + // 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 ); + + // avoid leaking the fd + if ( fileTemp ) + { + fileTemp->Attach(fdTemp); + } + else + { + close(fdTemp); + } + } +#else // !HAVE_MKSTEMP + +#ifdef HAVE_MKTEMP + // same as above + path += _T("XXXXXX"); + + wxCharBuffer buf = wxConvFile.cWX2MB( path ); + if ( !mktemp( (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(__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(_T("%.03x"), (unsigned int) n); + if ( !wxFile::Exists(pathTry) ) + { + break; + } + + pathTry.clear(); + } + + path = pathTry; +#endif // HAVE_MKTEMP/!HAVE_MKTEMP + + if ( !path.empty() ) + { + } +#endif // HAVE_MKSTEMP/!HAVE_MKSTEMP + +#endif // Windows/!Windows + + if ( path.empty() ) + { + wxLogSysError(_("Failed to create a temporary file name")); + } + else if ( fileTemp && !fileTemp->IsOpened() ) + { + // open the file - of course, there is a race condition here, this is + // why we always prefer using mkstemp()... + // + // NB: GetTempFileName() under Windows creates the file, so using + // write_excl there would fail + if ( !fileTemp->Open(path, +#if defined(__WINDOWS__) && !defined(__WXMICROWIN__) + wxFile::write, +#else + wxFile::write_excl, +#endif + wxS_IRUSR | wxS_IWUSR) ) + { + // 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; +} + +// ---------------------------------------------------------------------------- +// directory operations +// ---------------------------------------------------------------------------- + +bool wxFileName::Mkdir( int perm, int flags ) +{ + return wxFileName::Mkdir( GetFullPath(), 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 || +#if defined(__WXMAC__) && !defined(__DARWIN__) + // relative pathnames are exactely the other way round under mac... + !filename.IsAbsolute() +#else + filename.IsAbsolute() +#endif + ) + 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() +{ + return wxFileName::Rmdir( GetFullPath() ); +} + +bool wxFileName::Rmdir( const wxString &dir ) +{ + 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); + + // make the path absolute + if ( (flags & wxPATH_NORM_ABSOLUTE) && !IsAbsolute(format) ) + { + if ( cwd.empty() ) + { + curDir.AssignCwd(GetVolume()); + } + else // cwd provided + { + 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 + if ( (format == wxPATH_UNIX) && (flags & wxPATH_NORM_TILDE) ) + { + if ( !dirs.IsEmpty() ) + { + wxString dir = dirs[0u]; + if ( !dir.empty() && dir[0u] == _T('~') ) + { + curDir.AssignDir(wxGetUserHome(dir.c_str() + 1)); + + dirs.RemoveAt(0u); + } + } + } + + // 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++ ) + { + dirsNew.Add(dirs[n]); + } + + dirs = dirsNew; + } + + // 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 ( dir == wxT(".") ) + { + // just ignore + continue; + } + + if ( dir == wxT("..") ) + { + if ( m_dirs.IsEmpty() ) + { + wxLogError(_("The path '%s' contains too many \"..\"!"), + GetFullPath().c_str()); + return false; + } + + m_dirs.RemoveAt(m_dirs.GetCount() - 1); + continue; + } + } + + if ( (flags & wxPATH_NORM_CASE) && !IsCaseSensitive(format) ) + { + dir.MakeLower(); + } + + m_dirs.Add(dir); + } + +#if defined(__WIN32__) && !defined(__WXWINCE__) && wxUSE_OLE + if ( (flags & wxPATH_NORM_SHORTCUT) ) + { + wxString filename; + if (GetShortcutTarget(GetFullPath(format), filename)) + { + // Repeat this since we may now have a new path + if ( (flags & wxPATH_NORM_CASE) && !IsCaseSensitive(format) ) + { + filename.MakeLower(); + } + m_relative = false; + Assign(filename); + } + } +#endif + + if ( (flags & wxPATH_NORM_CASE) && !IsCaseSensitive(format) ) + { + // VZ: expand env vars here too? + + m_volume.MakeLower(); + m_name.MakeLower(); + 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) ) + { + Assign(GetLongPath()); + } +#endif // Win32 + + 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) +{ + wxString path, file, ext; + wxSplitPath(shortcutPath, & path, & file, & ext); - return ret; + HRESULT hres; + IShellLink* psl; + bool success = FALSE; + + // Assume it's not a shortcut if it doesn't end with lnk + if (ext.Lower() != wxT("lnk")) + return FALSE; + + // create a ShellLink object + hres = CoCreateInstance(CLSID_ShellLink, NULL, CLSCTX_INPROC_SERVER, + IID_IShellLink, (LPVOID*) &psl); + + if (SUCCEEDED(hres)) + { + 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); + if (SUCCEEDED(hres)) + { + wxChar buf[2048]; + psl->GetPath(buf, 2048, NULL, SLGP_UNCPRIORITY); + targetFilename = wxString(buf); + success = (shortcutPath != targetFilename); + + psl->GetArguments(buf, 2048); + wxString args(buf); + if (!args.IsEmpty() && arguments) + { + *arguments = args; + } + } + } + } + psl->Release(); + return success; +} +#endif + + +// ---------------------------------------------------------------------------- +// absolute/relative paths +// ---------------------------------------------------------------------------- + +bool wxFileName::IsAbsolute(wxPathFormat format) const +{ + // 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 bean 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(); + + // 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(_T('.')); + } + } + + m_relative = true; + + // we were modified + return true; +} + +// ---------------------------------------------------------------------------- +// filename kind tests +// ---------------------------------------------------------------------------- + +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 | wxPATH_NORM_CASE, cwd, format); + fn2.Normalize(wxPATH_NORM_ALL | wxPATH_NORM_CASE, cwd, format); + + if ( fn1.GetFullPath() == fn2.GetFullPath() ) + return true; + + // TODO: compare inodes for Unix, this works even when filenames are + // different but files are the same (symlinks) (VZ) + + return false; +} + +/* static */ +bool wxFileName::IsCaseSensitive( wxPathFormat format ) +{ + // only Unix filenames are truely case-sensitive + return GetFormat(format) == wxPATH_UNIX; +} + +/* static */ +wxString wxFileName::GetForbiddenChars(wxPathFormat format) +{ + // Inits to forbidden characters that are common to (almost) all platforms. + wxString strForbiddenChars = wxT("*?"); + + // 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) ) + { + default : + wxFAIL_MSG( wxT("Unknown path format") ); + // !! Fall through !! + + case wxPATH_UNIX: + break; + + 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_DOS: + strForbiddenChars += wxT("\\/:\"<>|"); + break; + + case wxPATH_VMS: + break; + } + + return strForbiddenChars; +} + +/* static */ +wxString wxFileName::GetVolumeSeparator(wxPathFormat format) +{ + wxString sepVol; + + if ( (GetFormat(format) == wxPATH_DOS) || + (GetFormat(format) == wxPATH_VMS) ) + { + sepVol = wxFILE_SEP_DSK; + } + //else: leave empty + + return sepVol; +} + +/* static */ +wxString wxFileName::GetPathSeparators(wxPathFormat format) +{ + wxString seps; + switch ( GetFormat(format) ) + { + case wxPATH_DOS: + // accept both as native APIs do but put the native one first as + // this is the one we use in GetFullPath() + seps << wxFILE_SEP_PATH_DOS << wxFILE_SEP_PATH_UNIX; + break; + + default: + wxFAIL_MSG( _T("Unknown wxPATH_XXX style") ); + // fall through + + case wxPATH_UNIX: + seps = wxFILE_SEP_PATH_UNIX; + break; + + case wxPATH_MAC: + seps = wxFILE_SEP_PATH_MAC; + break; + + case wxPATH_VMS: + seps = wxFILE_SEP_PATH_VMS; + break; + } + + return seps; +} + +/* 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; +} + +// ---------------------------------------------------------------------------- +// path components manipulation +// ---------------------------------------------------------------------------- + +/* static */ bool wxFileName::IsValidDirComponent(const wxString& dir) +{ + if ( dir.empty() ) + { + wxFAIL_MSG( _T("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( _T("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 ) +{ + InsertDir(0, dir); +} + +void wxFileName::InsertDir( int before, const wxString &dir ) +{ + if ( IsValidDirComponent(dir) ) + m_dirs.Insert( dir, before ); +} + +void wxFileName::RemoveDir( int pos ) +{ + m_dirs.RemoveAt( (size_t)pos ); } -wxString wxFileName::GetFullPath( wxPathFormat format ) const +// ---------------------------------------------------------------------------- +// accessors +// ---------------------------------------------------------------------------- + +void wxFileName::SetFullName(const wxString& fullname) +{ + SplitPath(fullname, NULL /* no path */, &m_name, &m_ext); +} + +wxString wxFileName::GetFullName() const +{ + wxString fullname = m_name; + if ( !m_ext.empty() ) + { + fullname << wxFILE_SEP_EXT << m_ext; + } + + return fullname; +} + +wxString wxFileName::GetPath( int flags, wxPathFormat format ) const { format = GetFormat( format ); - - wxString ret; - if (format == wxPATH_DOS) + + wxString fullpath; + + // return the volume with the path as well if requested + if ( flags & wxPATH_GET_VOLUME ) { - for (size_t i = 0; i < m_dirs.GetCount(); i++) - { - ret += m_dirs[i]; - ret += '\\'; - } + fullpath += wxGetVolumeString(GetVolume(), format); } - else - if (format == wxPATH_UNIX) + + // the leading character + switch ( format ) + { + case wxPATH_MAC: + if ( m_relative ) + fullpath += wxFILE_SEP_PATH_MAC; + break; + + case wxPATH_DOS: + if ( !m_relative ) + fullpath += wxFILE_SEP_PATH_DOS; + break; + + default: + wxFAIL_MSG( wxT("Unknown path format") ); + // fall through + + case wxPATH_UNIX: + if ( !m_relative ) + { + // normally the absolute file names start with a slash + // with one exception: the ones like "~/foo.bar" don't + // have it + if ( m_dirs.IsEmpty() || m_dirs[0u] != _T('~') ) + { + fullpath += wxFILE_SEP_PATH_UNIX; + } + } + break; + + 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() ) + { + // there is nothing more + return fullpath; + } + + // then concatenate all the path components using the path separator + if ( format == wxPATH_VMS ) + { + fullpath += wxT('['); + } + + const size_t dirCount = m_dirs.GetCount(); + for ( size_t i = 0; i < dirCount; i++ ) { - ret = '/'; // FIXME: must be absolute - for (size_t i = 0; i < m_dirs.GetCount(); i++) + switch (format) { - ret += m_dirs[i]; - ret += '/'; + 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; + } + + // convert back from ".." to nothing + if ( m_dirs[i] != wxT("..") ) + fullpath += m_dirs[i]; + break; + + default: + wxFAIL_MSG( wxT("Unexpected path format") ); + // still fall through + + 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] != wxT("..") ) + fullpath += m_dirs[i]; + break; } + + if ( (flags & wxPATH_GET_SEPARATOR) || (i != dirCount - 1) ) + fullpath += GetPathSeparator(format); } - else + + 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; +} + +// Return the short form of the path (returns identity on non-Windows platforms) +wxString wxFileName::GetShortPath() const +{ +#if defined(__WXMSW__) && defined(__WIN32__) && !defined(__WXMICROWIN__) && !defined(__WXWINCE__) + wxString path(GetFullPath()); + wxString pathOut; + DWORD sz = ::GetShortPathName(path, NULL, 0); + bool ok = sz != 0; + if ( ok ) + { + ok = ::GetShortPathName + ( + path, + wxStringBuffer(pathOut, sz), + sz + ) != 0; + } + if (ok) + return pathOut; + + return path; +#else + return GetFullPath(); +#endif +} + +// Return the long form of the path (returns identity on non-Windows platforms) +wxString wxFileName::GetLongPath() const +{ + wxString pathOut, + path = GetFullPath(); + +#if defined(__WIN32__) && !defined(__WXMICROWIN__) + bool success = false; + +#if wxUSE_DYNAMIC_LOADER + typedef DWORD (WINAPI *GET_LONG_PATH_NAME)(const wxChar *, wxChar *, DWORD); + + static bool s_triedToLoad = false; + + if ( !s_triedToLoad ) { - for (size_t i = 0; i < m_dirs.GetCount(); i++) + // suppress the errors about missing GetLongPathName[AW] + wxLogNull noLog; + + s_triedToLoad = true; + wxDynamicLibrary dllKernel(_T("kernel32")); + if ( dllKernel.IsLoaded() ) { - ret += m_dirs[i]; - ret += ':'; + // 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) dllKernel.GetSymbol(_T("GetLongPathNameW")); +#else + s_pfnGetLongPathName = (GET_LONG_PATH_NAME) dllKernel.GetSymbol(_T("GetLongPathNameA")); +#endif + + if ( s_pfnGetLongPathName ) + { + DWORD dwSize = (*s_pfnGetLongPathName)(path, NULL, 0); + bool ok = dwSize > 0; + + if ( ok ) + { + DWORD sz = (*s_pfnGetLongPathName)(path, NULL, 0); + ok = sz != 0; + if ( ok ) + { + ok = (*s_pfnGetLongPathName) + ( + path, + wxStringBuffer(pathOut, sz), + sz + ) != 0; + success = true; + } + } + } } } - - ret += m_name; - - if (!m_ext.IsEmpty()) + + if (success) + return pathOut; +#endif // wxUSE_DYNAMIC_LOADER + + if (!success) { - ret += '.'; - ret += m_ext; + // 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; + + if ( HasVolume() ) + pathOut = GetVolume() + + GetVolumeSeparator(wxPATH_DOS) + + GetPathSeparator(wxPATH_DOS); + else + pathOut = wxEmptyString; + + wxArrayString dirs = GetDirs(); + dirs.Add(GetFullName()); + + wxString tmpPath; + + size_t count = dirs.GetCount(); + for ( size_t i = 0; i < count; i++ ) + { + // We're using pathOut to collect the long-name path, but using a + // temporary for appending the last path component which may be + // short-name + tmpPath = pathOut + dirs[i]; + + if ( tmpPath.empty() ) + continue; + + // can't see this being necessary? MF + if ( tmpPath.Last() == GetVolumeSeparator(wxPATH_DOS) ) + { + // 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, &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]; + + return tmpPath; + } + + pathOut += findFileData.cFileName; + if ( (i < (count-1)) ) + pathOut += wxFILE_SEP_PATH; + + ::FindClose(hFind); + } } - - return ret; +#else // !Win32 + pathOut = path; +#endif // Win32/!Win32 + + return pathOut; } wxPathFormat wxFileName::GetFormat( wxPathFormat format ) { if (format == wxPATH_NATIVE) { -#if defined(__WXMSW__) || defined(__WXPM__) +#if defined(__WXMSW__) || defined(__OS2__) || defined(__DOS__) format = wxPATH_DOS; -#endif -#if defined(__WXMAC__) +#elif defined(__WXMAC__) && !defined(__DARWIN__) format = wxPATH_MAC; -#endif -#if !defined(__WXMSW__) && !defined(__WXPM__) && !defined(__WXMAC__) +#elif defined(__VMS) + format = wxPATH_VMS; +#else format = wxPATH_UNIX; #endif } return format; } +// ---------------------------------------------------------------------------- +// path splitting function +// ---------------------------------------------------------------------------- + +/* static */ +void wxFileName::SplitPath(const wxString& fullpathWithVolume, + wxString *pstrVolume, + wxString *pstrPath, + wxString *pstrName, + wxString *pstrExt, + 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 ? wxString(_T(']')) + : GetPathSeparators(format); + + // special Windows UNC paths hack: transform \\share\path into share:path + if ( format == wxPATH_DOS ) + { + if ( fullpath.length() >= 4 && + fullpath[0u] == wxFILE_SEP_PATH_DOS && + fullpath[1u] == wxFILE_SEP_PATH_DOS ) + { + fullpath.erase(0, 2); + + size_t posFirstSlash = fullpath.find_first_of(sepPath); + 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); + } + } + } + + // We separate the volume here + if ( format == wxPATH_DOS || format == wxPATH_VMS ) + { + wxString sepVol = GetVolumeSeparator(format); + + size_t posFirstColon = fullpath.find_first_of(sepVol); + if ( posFirstColon != wxString::npos ) + { + if ( pstrVolume ) + { + *pstrVolume = fullpath.Left(posFirstColon); + } + + // remove the volume name and the separator from the full path + fullpath.erase(0, posFirstColon + sepVol.length()); + } + } + + // 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); + + // check whether this dot occurs at the very beginning of a path component + if ( (posLastDot != wxString::npos) && + (posLastDot == 0 || + IsPathSeparator(fullpath[posLastDot - 1]) || + (format == wxPATH_VMS && fullpath[posLastDot - 1] == _T(']'))) ) + { + // 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 + if ( (posLastDot != wxString::npos) && + (posLastSlash != wxString::npos) && + (posLastDot < posLastSlash) ) + { + // the dot is part of the path, not the start of the extension + posLastDot = wxString::npos; + } + + // now fill in the variables provided by user + if ( pstrPath ) + { + if ( posLastSlash == wxString::npos ) + { + // no path at all + pstrPath->Empty(); + } + else + { + // take everything up to the path separator but take care to make + // the path equal to something like '/', not empty, for the files + // immediately under root directory + size_t len = posLastSlash; + + // 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); + + // special VMS hack: remove the initial bracket + if ( format == wxPATH_VMS ) + { + if ( (*pstrPath)[0u] == _T('[') ) + pstrPath->erase(0, 1); + } + } + } + + if ( pstrName ) + { + // take all characters starting from the one after the last slash and + // up to, but excluding, the last dot + size_t nStart = posLastSlash == wxString::npos ? 0 : posLastSlash + 1; + size_t count; + if ( posLastDot == wxString::npos ) + { + // take all until the end + count = wxString::npos; + } + else if ( posLastSlash == wxString::npos ) + { + count = posLastDot; + } + else // have both dot and slash + { + count = posLastDot - posLastSlash - 1; + } + + *pstrName = fullpath.Mid(nStart, count); + } + + if ( pstrExt ) + { + if ( posLastDot == wxString::npos ) + { + // no extension + pstrExt->Empty(); + } + else + { + // take everything after the dot + *pstrExt = fullpath.Mid(posLastDot + 1); + } + } +} + +/* static */ +void wxFileName::SplitPath(const wxString& fullpath, + wxString *path, + wxString *name, + wxString *ext, + wxPathFormat format) +{ + wxString volume; + SplitPath(fullpath, &volume, path, name, ext, format); + + if ( path ) + { + path->Prepend(wxGetVolumeString(volume, format)); + } +} + +// ---------------------------------------------------------------------------- +// time functions +// ---------------------------------------------------------------------------- + +#if wxUSE_DATETIME + +bool wxFileName::SetTimes(const wxDateTime *dtAccess, + const wxDateTime *dtMod, + const wxDateTime *dtCreate) +{ +#if defined(__WIN32__) + if ( IsDir() ) + { + // VZ: please let me know how to do this if you can + wxFAIL_MSG( _T("SetTimes() not implemented for the directories") ); + } + else // file + { + wxFileHandle fh(GetFullPath(), wxFileHandle::Write); + if ( fh.IsOk() ) + { + FILETIME ftAccess, ftCreate, ftWrite; + + if ( dtCreate ) + ConvertWxToFileTime(&ftCreate, *dtCreate); + if ( dtAccess ) + ConvertWxToFileTime(&ftAccess, *dtAccess); + if ( dtMod ) + ConvertWxToFileTime(&ftWrite, *dtMod); + + if ( ::SetFileTime(fh, + dtCreate ? &ftCreate : NULL, + dtAccess ? &ftAccess : NULL, + dtMod ? &ftWrite : NULL) ) + { + return true; + } + } + } +#elif defined(__UNIX_LIKE__) || (defined(__DOS__) && defined(__WATCOMC__)) + 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 +#endif // platforms + + wxLogSysError(_("Failed to modify file times for '%s'"), + GetFullPath().c_str()); + + return false; +} + +bool wxFileName::Touch() +{ +#if defined(__UNIX_LIKE__) + // under Unix touching file is simple: just pass NULL to utime() + if ( utime(GetFullPath().fn_str(), NULL) == 0 ) + { + return true; + } + + wxLogSysError(_("Failed to touch the file '%s'"), GetFullPath().c_str()); + + return false; +#else // other platform + wxDateTime dtNow = wxDateTime::Now(); + + return SetTimes(&dtNow, &dtNow, NULL /* don't change create time */); +#endif // platforms +} + +bool wxFileName::GetTimes(wxDateTime *dtAccess, + wxDateTime *dtMod, + wxDateTime *dtCreate) const +{ +#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::Read); + 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 ) + ConvertFileTimeToWx(dtAccess, ftAccess); + if ( dtMod ) + ConvertFileTimeToWx(dtMod, ftWrite); + + return true; + } +#elif defined(__UNIX_LIKE__) || defined(__WXMAC__) || (defined(__DOS__) && defined(__WATCOMC__)) + wxStructStat stBuf; + if ( wxStat( GetFullPath().c_str(), &stBuf) == 0 ) + { + if ( dtAccess ) + dtAccess->Set(stBuf.st_atime); + if ( dtMod ) + dtMod->Set(stBuf.st_mtime); + if ( dtCreate ) + dtCreate->Set(stBuf.st_ctime); + + return true; + } +#else // other platform +#endif // platforms + + wxLogSysError(_("Failed to retrieve file times for '%s'"), + GetFullPath().c_str()); + + return false; +} + +#endif // wxUSE_DATETIME + +#ifdef __WXMAC__ + +const short kMacExtensionMaxLength = 16 ; +class MacDefaultExtensionRecord +{ +public : + MacDefaultExtensionRecord() + { + m_ext[0] = 0 ; + m_type = m_creator = NULL ; + } + MacDefaultExtensionRecord( const MacDefaultExtensionRecord& from ) + { + wxStrcpy( m_ext , from.m_ext ) ; + m_type = from.m_type ; + m_creator = from.m_creator ; + } + MacDefaultExtensionRecord( const wxChar * extension , OSType type , OSType creator ) + { + wxStrncpy( m_ext , extension , kMacExtensionMaxLength ) ; + m_ext[kMacExtensionMaxLength] = 0 ; + m_type = type ; + m_creator = creator ; + } + wxChar m_ext[kMacExtensionMaxLength] ; + OSType m_type ; + OSType m_creator ; +} ; + +#include "wx/dynarray.h" +WX_DECLARE_OBJARRAY(MacDefaultExtensionRecord, MacDefaultExtensionArray) ; + +bool gMacDefaultExtensionsInited = false ; + +#include "wx/arrimpl.cpp" + +WX_DEFINE_EXPORTED_OBJARRAY(MacDefaultExtensionArray) ; + +MacDefaultExtensionArray gMacDefaultExtensions ; + +// load the default extensions +MacDefaultExtensionRecord gDefaults[] = +{ + MacDefaultExtensionRecord( wxT("txt") , 'TEXT' , 'ttxt' ) , + MacDefaultExtensionRecord( wxT("tif") , 'TIFF' , '****' ) , + MacDefaultExtensionRecord( wxT("jpg") , 'JPEG' , '****' ) , +} ; + +static void MacEnsureDefaultExtensionsLoaded() +{ + if ( !gMacDefaultExtensionsInited ) + { + // we could load the pc exchange prefs here too + for ( size_t i = 0 ; i < WXSIZEOF( gDefaults ) ; ++i ) + { + gMacDefaultExtensions.Add( gDefaults[i] ) ; + } + gMacDefaultExtensionsInited = true ; + } +} +bool wxFileName::MacSetTypeAndCreator( wxUint32 type , wxUint32 creator ) +{ + FInfo fndrInfo ; + FSSpec spec ; + wxMacFilename2FSSpec(GetFullPath(),&spec) ; + OSErr err = FSpGetFInfo( &spec , &fndrInfo ) ; + wxCHECK( err == noErr , false ) ; + + fndrInfo.fdType = type ; + fndrInfo.fdCreator = creator ; + FSpSetFInfo( &spec , &fndrInfo ) ; + return true ; +} + +bool wxFileName::MacGetTypeAndCreator( wxUint32 *type , wxUint32 *creator ) +{ + FInfo fndrInfo ; + FSSpec spec ; + wxMacFilename2FSSpec(GetFullPath(),&spec) ; + OSErr err = FSpGetFInfo( &spec , &fndrInfo ) ; + wxCHECK( err == noErr , false ) ; + + *type = fndrInfo.fdType ; + *creator = fndrInfo.fdCreator ; + return true ; +} + +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 ; +} + +void wxFileName::MacRegisterDefaultTypeAndCreator( const wxString& ext , wxUint32 type , wxUint32 creator ) +{ + MacEnsureDefaultExtensionsLoaded() ; + MacDefaultExtensionRecord rec ; + rec.m_type = type ; + rec.m_creator = creator ; + wxStrncpy( rec.m_ext , ext.Lower().c_str() , kMacExtensionMaxLength ) ; + gMacDefaultExtensions.Add( rec ) ; +} +#endif