// 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"
#endif
#ifndef WX_PRECOMP
-#include "wx/intl.h"
-#include "wx/log.h"
-#include "wx/file.h"
+ #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"
#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/file.h"
#include "wx/dynlib.h"
-// For GetShort/LongPathName
-#ifdef __WIN32__
-#include "wx/msw/wrapwin.h"
-#if defined(__MINGW32__)
-#include "wx/msw/gccpriv.h"
-#endif
+#if defined(__WIN32__) && defined(__MINGW32__)
+ #include "wx/msw/gccpriv.h"
#endif
#ifdef __WXWINCE__
#define MAX_PATH _MAX_PATH
#endif
+
+wxULongLong wxInvalidSize = (unsigned)-1;
+
+
// ----------------------------------------------------------------------------
// private classes
// ----------------------------------------------------------------------------
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
// ============================================================================
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;
// 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);
}
bool wxFileName::DirExists() const
{
- return wxFileName::DirExists( GetFullPath() );
+ return wxFileName::DirExists( GetPath() );
}
bool wxFileName::DirExists( const wxString &dir )
{
- return ::wxPathExists( dir );
+ return ::wxDirExists( dir );
}
// ----------------------------------------------------------------------------
bool wxFileName::SetCwd()
{
- return wxFileName::SetCwd( GetFullPath() );
+ return wxFileName::SetCwd( GetPath() );
}
bool wxFileName::SetCwd( const wxString &cwd )
return ::wxGetHomeDir();
}
-#if wxUSE_FILE
-void wxFileName::AssignTempFileName(const wxString& prefix, wxFile *fileTemp)
+// ----------------------------------------------------------------------------
+// CreateTempFileName
+// ----------------------------------------------------------------------------
+
+#if wxUSE_FILE || wxUSE_FFILE
+
+
+#if !defined wx_fdopen && defined HAVE_FDOPEN
+ #define wx_fdopen fdopen
+#endif
+
+// 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
+
+
+#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)
{
- wxString tempname = CreateTempFileName(prefix, fileTemp);
- if ( tempname.empty() )
- {
- // error, failed to get temp file name
- Clear();
- }
- else // ok
- {
- Assign(tempname);
- }
+ DWORD access = GENERIC_READ | GENERIC_WRITE;
+
+ DWORD disposition = OPEN_ALWAYS;
+
+ DWORD attributes = FILE_ATTRIBUTE_TEMPORARY |
+ FILE_FLAG_DELETE_ON_CLOSE;
+
+ HANDLE h = ::CreateFile(filename, access, 0, NULL,
+ disposition, attributes, NULL);
+
+ return wxOpenOSFHandle(h, wxO_BINARY);
}
+#endif // wxOpenOSFHandle
-/* static */
-wxString
-wxFileName::CreateTempFileName(const wxString& prefix, wxFile *fileTemp)
+
+// Helper to open the file
+//
+static int wxTempOpen(const wxString& path, bool *deleteOnClose)
{
+#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);
+}
+
+
+#if wxUSE_FFILE
+// Helper to open the file and attach it to the wxFFile
+//
+static bool wxTempOpen(wxFFile *file, const wxString& path, bool *deleteOnClose)
+{
+#ifndef wx_fdopen
+ *deleteOnClose = false;
+ return file->Open(path, _T("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
+
+
+#if !wxUSE_FILE
+ #define WXFILEARGS(x, y) y
+#elif !wxUSE_FFILE
+ #define WXFILEARGS(x, y) x
+#else
+ #define WXFILEARGS(x, y) x, y
+#endif
+
+
+// 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;
+
+ if (deleteOnClose)
+ {
+ // set the result to false initially
+ wantDeleteOnClose = *deleteOnClose;
+ *deleteOnClose = false;
+ }
+ else
+ {
+ // easier if it alwasys points to something
+ deleteOnClose = &wantDeleteOnClose;
+ }
// use the directory specified by the prefix
- SplitPath(prefix, &dir, &name, NULL /* extension */);
+ wxFileName::SplitPath(prefix, &dir, &name, NULL /* extension */);
-#if defined(__WXWINCE__)
if (dir.empty())
{
- // FIXME. Create \temp dir?
- dir = wxT("\\");
+ dir = wxFileName::GetTempDir();
}
- path = dir + wxT("\\") + prefix;
+
+#if defined(__WXWINCE__)
+ path = dir + wxT("\\") + name;
int i = 1;
- while (FileExists(path))
+ while (wxFileName::FileExists(path))
{
- path = dir + wxT("\\") + prefix ;
+ path = dir + wxT("\\") + name ;
path << i;
i ++;
}
#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)) )
{
wxLogLastError(_T("GetTempFileName"));
}
#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) &&
{
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, _T("r+b"));
+ close(fdTemp);
+ #endif
+ }
+ else
+ #endif
+
{
close(fdTemp);
}
path += _T("XXXXXX");
wxCharBuffer buf = wxConvFile.cWX2MB( path );
- if ( !mktemp( (const char*) buf ) )
+ if ( !mktemp( (char*)(const char*) buf ) )
{
path.clear();
}
{
// 3 hex digits is enough for numTries == 1000 < 4096
pathTry = path + wxString::Format(_T("%.03x"), (unsigned int) n);
- if ( !FileExists(pathTry) )
+ if ( !wxFileName::FileExists(pathTry) )
{
break;
}
path = pathTry;
#endif // HAVE_MKTEMP/!HAVE_MKTEMP
- if ( !path.empty() )
- {
- }
#endif // HAVE_MKSTEMP/!HAVE_MKSTEMP
#endif // Windows/!Windows
{
wxLogSysError(_("Failed to create a temporary file name"));
}
- else if ( fileTemp && !fileTemp->IsOpened() )
+ else
{
+ bool ok = true;
+
// 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) )
+ #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)
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
// ----------------------------------------------------------------------------
+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( GetFullPath(), perm, flags );
+ return wxFileName::Mkdir(GetPath(), perm, flags);
}
bool wxFileName::Mkdir( const wxString& dir, int perm, int flags )
bool wxFileName::Rmdir()
{
- return wxFileName::Rmdir( GetFullPath() );
+ return wxFileName::Rmdir( GetPath() );
}
bool wxFileName::Rmdir( const wxString &dir )
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() )
{
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
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);
}
}
// 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() )
{
- dirsNew.Add(dirs[n]);
+ SetVolume(curDir.GetVolume());
+
+ if ( !m_relative )
+ {
+ // 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
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) )
{
#include <shlguid.h>
#endif
-bool wxFileName::GetShortcutTarget(const wxString& shortcutPath, wxString& targetFilename, wxString* arguments)
+bool wxFileName::GetShortcutTarget(const wxString& shortcutPath,
+ wxString& targetFilename,
+ wxString* arguments)
{
wxString path, file, ext;
wxSplitPath(shortcutPath, & path, & file, & ext);
bool success = false;
// Assume it's not a shortcut if it doesn't end with lnk
- if (ext.Lower() != wxT("lnk"))
+ if (ext.CmpNoCase(wxT("lnk"))!=0)
return false;
// create a ShellLink object
MAX_PATH);
hres = ppf->Load(wsz, 0);
+ ppf->Release();
+
if (SUCCEEDED(hres))
{
wxChar buf[2048];
}
}
}
+
+ psl->Release();
}
- psl->Release();
return success;
}
-#endif
+
+#endif // __WIN32__ && !__WXWINCE__
// ----------------------------------------------------------------------------
}
/* 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_DOS) ||
//else: leave empty
return sepVol;
+#endif
}
/* static */
}
// convert back from ".." to nothing
- if ( m_dirs[i] != wxT("..") )
+ if ( !m_dirs[i].IsSameAs(wxT("..")) )
fullpath += m_dirs[i];
break;
// TODO: What to do with ".." under VMS
// convert back from ".." to nothing
- if ( m_dirs[i] != wxT("..") )
+ if ( !m_dirs[i].IsSameAs(wxT("..")) )
fullpath += m_dirs[i];
break;
}
// 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;
+
+#if defined(__WXMSW__) && defined(__WIN32__) && !defined(__WXMICROWIN__) && !defined(__WXWINCE__)
DWORD sz = ::GetShortPathName(path, NULL, 0);
- bool ok = sz != 0;
- if ( ok )
+ if ( sz != 0 )
{
- ok = ::GetShortPathName
+ wxString pathOut;
+ if ( ::GetShortPathName
(
path,
wxStringBuffer(pathOut, sz),
sz
- ) != 0;
+ ) != 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)
wxString pathOut,
path = GetFullPath();
-#if defined(__WIN32__) && !defined(__WXMICROWIN__)
- bool success = false;
+#if defined(__WIN32__) && !defined(__WXWINCE__) && !defined(__WXMICROWIN__)
#if wxUSE_DYNAMIC_LOADER
typedef DWORD (WINAPI *GET_LONG_PATH_NAME)(const wxChar *, wxChar *, DWORD);
- static bool s_triedToLoad = false;
-
- 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 )
{
- // suppress the errors about missing GetLongPathName[AW]
- wxLogNull noLog;
+ static bool s_triedToLoad = false;
- s_triedToLoad = true;
- wxDynamicLibrary dllKernel(_T("kernel32"));
- if ( dllKernel.IsLoaded() )
+ 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) dllKernel.GetSymbol(_T("GetLongPathNameW"));
-#else
- s_pfnGetLongPathName = (GET_LONG_PATH_NAME) dllKernel.GetSymbol(_T("GetLongPathNameA"));
-#endif
+ s_triedToLoad = true;
- if ( s_pfnGetLongPathName )
- {
- DWORD dwSize = (*s_pfnGetLongPathName)(path, NULL, 0);
- bool ok = dwSize > 0;
+ wxDynamicLibrary dllKernel(_T("kernel32"));
- 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;
- }
- }
+ const wxChar* GetLongPathName = _T("GetLongPathName")
+#if wxUSE_UNICODE
+ _T("W");
+#else // ANSI
+ _T("A");
+#endif // Unicode/ANSI
+
+ if ( dllKernel.HasSymbol(GetLongPathName) )
+ {
+ s_pfnGetLongPathName = (GET_LONG_PATH_NAME)
+ dllKernel.GetSymbol(GetLongPathName);
}
+
+ // 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 (success)
- return pathOut;
+ if ( s_pfnGetLongPathName )
+ {
+ DWORD dwSize = (*s_pfnGetLongPathName)(path, NULL, 0);
+ if ( dwSize > 0 )
+ {
+ if ( (*s_pfnGetLongPathName)
+ (
+ path,
+ wxStringBuffer(pathOut, dwSize),
+ dwSize
+ ) != 0 )
+ {
+ return pathOut;
+ }
+ }
+ }
#endif // wxUSE_DYNAMIC_LOADER
- 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;
+ 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++ )
- {
- // 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];
+ 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;
+ 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;
- }
+ // 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];
+ 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;
- }
+ 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;
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);
}
}
}
}
#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;
}
#else // other platform
+ wxUnusedVar(dtAccess);
+ wxUnusedVar(dtMod);
+ wxUnusedVar(dtCreate);
#endif // platforms
wxLogSysError(_("Failed to modify file times for '%s'"),
// not 9x
bool ok;
FILETIME ftAccess, ftCreate, ftWrite;
- if ( IsDir() )
+ if ( IsDir() )
{
// implemented in msw/dir.cpp
extern bool wxGetDirectoryTimes(const wxString& dirname,
return true;
}
-#elif defined(__UNIX_LIKE__) || defined(__WXMAC__) || (defined(__DOS__) && defined(__WATCOMC__))
+#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 )
{
return true;
}
#else // other platform
+ wxUnusedVar(dtAccess);
+ wxUnusedVar(dtMod);
+ wxUnusedVar(dtCreate);
#endif // platforms
wxLogSysError(_("Failed to retrieve file times for '%s'"),
#endif // wxUSE_DATETIME
+
+// ----------------------------------------------------------------------------
+// file size functions
+// ----------------------------------------------------------------------------
+
+/* static */
+wxULongLong wxFileName::GetSize(const wxString &filename)
+{
+ if (!wxFileExists(filename))
+ return wxInvalidSize;
+
+#if defined(__WXPALMOS__)
+ // TODO
+ return wxInvalidSize;
+#elif defined(__WIN32__)
+ wxFileHandle f(filename, wxFileHandle::Read);
+ if (!f.IsOk())
+ return wxInvalidSize;
+
+ DWORD lpFileSizeHigh;
+ DWORD ret = GetFileSize(f, &lpFileSizeHigh);
+ if (ret == INVALID_FILE_SIZE)
+ return wxInvalidSize;
+
+ // compose the low-order and high-order byte sizes
+ return wxULongLong(ret | (lpFileSizeHigh << sizeof(WORD)*2));
+
+#else // ! __WIN32__
+
+ wxStructStat st;
+#ifndef wxNEED_WX_UNISTD_H
+ if (wxStat( filename.fn_str() , &st) != 0)
+#else
+ if (wxStat( filename, &st) != 0)
+#endif
+ return wxInvalidSize;
+ return wxULongLong(st.st_size);
+#endif
+}
+
+/* static */
+wxString wxFileName::GetHumanReadableSize(const wxULongLong &bs,
+ const wxString &nullsize,
+ int precision)
+{
+ static const double KILOBYTESIZE = 1024.0;
+ static const double MEGABYTESIZE = 1024.0*KILOBYTESIZE;
+ static const double GIGABYTESIZE = 1024.0*MEGABYTESIZE;
+ static const double TERABYTESIZE = 1024.0*GIGABYTESIZE;
+
+ if (bs == 0 || bs == wxInvalidSize)
+ return nullsize;
+
+ double bytesize = bs.ToDouble();
+ if (bytesize < KILOBYTESIZE)
+ return wxString::Format(_("%s B"), bs.ToString().c_str());
+ if (bytesize < MEGABYTESIZE)
+ return wxString::Format(_("%.*f kB"), precision, bytesize/KILOBYTESIZE);
+ if (bytesize < GIGABYTESIZE)
+ return wxString::Format(_("%.*f MB"), precision, bytesize/MEGABYTESIZE);
+ if (bytesize < TERABYTESIZE)
+ return wxString::Format(_("%.*f GB"), precision, bytesize/GIGABYTESIZE);
+
+ return wxString::Format(_("%.*f TB"), precision, bytesize/TERABYTESIZE);
+}
+
+wxULongLong wxFileName::GetSize() const
+{
+ return GetSize(GetFullPath());
+}
+
+wxString wxFileName::GetHumanReadableSize(const wxString &failmsg, int precision) const
+{
+ return GetHumanReadableSize(GetSize(), failmsg, precision);
+}
+
+
+// ----------------------------------------------------------------------------
+// Mac-specific functions
+// ----------------------------------------------------------------------------
+
#ifdef __WXMAC__
const short kMacExtensionMaxLength = 16 ;
OSType m_creator ;
} ;
-#include "wx/dynarray.h"
WX_DECLARE_OBJARRAY(MacDefaultExtensionRecord, MacDefaultExtensionArray) ;
bool gMacDefaultExtensionsInited = false ;
projects / wxWidgets.git / blobdiff