X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/574c939ef1c1b835a8bc65c0fe724548fa04ec49..70914290a18a1c95c16ff5148d53f3dea52d2940:/src/common/filename.cpp diff --git a/src/common/filename.cpp b/src/common/filename.cpp index 99832bf995..a7409aa0c8 100644 --- a/src/common/filename.cpp +++ b/src/common/filename.cpp @@ -82,7 +82,7 @@ #include "wx/config.h" // for wxExpandEnvVars #include "wx/utils.h" #include "wx/file.h" -//#include "wx/dynlib.h" // see GetLongPath below, code disabled. +#include "wx/dynlib.h" // For GetShort/LongPathName #ifdef __WIN32__ @@ -135,23 +135,31 @@ class wxFileHandle { public: - wxFileHandle(const wxString& filename) + enum OpenMode + { + Read, + Write + }; + + wxFileHandle(const wxString& filename, OpenMode mode) { m_hFile = ::CreateFile ( - filename, // name - GENERIC_READ, // access mask - 0, // no sharing - NULL, // no secutity attr - OPEN_EXISTING, // creation disposition - 0, // no flags - NULL // no template file + filename, // name + mode == Read ? GENERIC_READ // access mask + : GENERIC_WRITE, + 0, // no sharing + NULL, // no secutity attr + OPEN_EXISTING, // creation disposition + 0, // no flags + NULL // no template file ); if ( m_hFile == INVALID_HANDLE_VALUE ) { - wxLogSysError(_("Failed to open '%s' for reading"), - filename.c_str()); + wxLogSysError(_("Failed to open '%s' for %s"), + filename.c_str(), + mode == Read ? _("reading") : _("writing")); } } @@ -187,36 +195,77 @@ private: // convert between wxDateTime and FILETIME which is a 64-bit value representing // the number of 100-nanosecond intervals since January 1, 1601. -// the number of milliseconds between the Unix Epoch (January 1, 1970) and the -// FILETIME reference point (January 1, 1601) -static const wxLongLong FILETIME_EPOCH_OFFSET = wxLongLong(0xa97, 0x30b66800); - static void ConvertFileTimeToWx(wxDateTime *dt, const FILETIME &ft) { - wxLongLong ll(ft.dwHighDateTime, ft.dwLowDateTime); - - // convert 100ns to ms - ll /= 10000; + FILETIME ftcopy = ft; + FILETIME ftLocal; + if ( !::FileTimeToLocalFileTime(&ftcopy, &ftLocal) ) + { + wxLogLastError(_T("FileTimeToLocalFileTime")); + } - // move it to our Epoch - ll -= FILETIME_EPOCH_OFFSET; + SYSTEMTIME st; + if ( !::FileTimeToSystemTime(&ftLocal, &st) ) + { + wxLogLastError(_T("FileTimeToSystemTime")); + } - *dt = wxDateTime(ll); + dt->Set(st.wDay, wxDateTime::Month(st.wMonth - 1), st.wYear, + st.wHour, st.wMinute, st.wSecond, st.wMilliseconds); } static void ConvertWxToFileTime(FILETIME *ft, const wxDateTime& dt) { - // do the reverse of ConvertFileTimeToWx() - wxLongLong ll = dt.GetValue(); - ll *= 10000; - ll += FILETIME_EPOCH_OFFSET; + SYSTEMTIME st; + st.wDay = dt.GetDay(); + st.wMonth = 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) ) + { + wxLogLastError(_T("SystemTimeToFileTime")); + } - ft->dwHighDateTime = ll.GetHi(); - ft->dwLowDateTime = ll.GetLo(); + if ( !::LocalFileTimeToFileTime(&ftLocal, ft) ) + { + wxLogLastError(_T("LocalFileTimeToFileTime")); + } } #endif // __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; + } + else if ( format == wxPATH_DOS || format == wxPATH_VMS ) + { + path << volume << wxFileName::GetVolumeSeparator(format); + } + // else ignore + } + + return path; +} + // ============================================================================ // implementation // ============================================================================ @@ -231,7 +280,7 @@ void wxFileName::Assign( const wxFileName &filepath ) m_dirs = filepath.GetDirs(); m_name = filepath.GetName(); m_ext = filepath.GetExt(); - m_relative = filepath.IsRelative(); + m_relative = filepath.m_relative; } void wxFileName::Assign(const wxString& volume, @@ -249,19 +298,21 @@ void wxFileName::Assign(const wxString& volume, void wxFileName::SetPath( const wxString &path, wxPathFormat format ) { - wxPathFormat my_format = GetFormat( format ); - wxString my_path = path; - m_dirs.Clear(); - if (!my_path.empty()) + 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 = ( my_path[0u] == wxT(':') ); + 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 @@ -273,18 +324,23 @@ void wxFileName::SetPath( const wxString &path, wxPathFormat format ) // actually means , whereas under DOS, double // slashes can be ignored: "\\\\" is the same as "\\". if (m_relative) - my_path.Remove( 0, 1 ); + my_path.erase( 0, 1 ); break; + case wxPATH_VMS: // TODO: what is the relative path format here? m_relative = FALSE; break; + case wxPATH_UNIX: - m_relative = ( my_path[0u] != wxT('/') ); + // the paths of the form "~" or "~username" are absolute + m_relative = leadingChar != wxT('/') && leadingChar != _T('~'); break; + case wxPATH_DOS: - m_relative = ( (my_path[0u] != wxT('/')) && (my_path[0u] != wxT('\\')) ); + m_relative = !IsPathSeparator(leadingChar, my_format); break; + default: wxFAIL_MSG( wxT("error") ); break; @@ -314,7 +370,7 @@ void wxFileName::SetPath( const wxString &path, wxPathFormat format ) } } } - else + else // no path at all { m_relative = TRUE; } @@ -338,7 +394,7 @@ void wxFileName::Assign(const wxString& fullpathOrig, wxString fullpath = fullpathOrig; if ( !wxEndsWithPathSeparator(fullpath) ) { - fullpath += GetPathSeparators(format)[0u]; + fullpath += GetPathSeparator(format); } wxString volume, path, name, ext; @@ -359,7 +415,7 @@ void wxFileName::Assign(const wxString& fullpathOrig, _T("the path shouldn't contain file name nor extension") ); #else // !__WXDEBUG__ - SplitPath(fullname, NULL /* no path */, &name, &ext, format); + SplitPath(fullname, NULL /* no path */, &name, &ext, format); SplitPath(fullpath, &volume, &path, NULL, NULL, format); #endif // __WXDEBUG__/!__WXDEBUG__ @@ -510,6 +566,12 @@ wxFileName::CreateTempFileName(const wxString& prefix, wxFile *fileTemp) 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)) ) { @@ -675,47 +737,48 @@ wxFileName::CreateTempFileName(const wxString& prefix, wxFile *fileTemp) // directory operations // ---------------------------------------------------------------------------- -bool wxFileName::Mkdir( int perm, bool full ) +bool wxFileName::Mkdir( int perm, int flags ) { - return wxFileName::Mkdir( GetFullPath(), perm, full ); + return wxFileName::Mkdir( GetFullPath(), perm, flags ); } -bool wxFileName::Mkdir( const wxString &dir, int perm, bool full ) +bool wxFileName::Mkdir( const wxString& dir, int perm, int flags ) { - if (full) + if ( flags & wxPATH_MKDIR_FULL ) { - wxFileName filename(dir); - wxArrayString dirs = filename.GetDirs(); - dirs.Add(filename.GetName()); + // split the path in components + wxFileName filename; + filename.AssignDir(dir); - size_t count = dirs.GetCount(); - size_t i; wxString currPath; - int noErrors = 0; - for ( i = 0; i < count; i++ ) + if ( filename.HasVolume()) { - currPath += dirs[i]; + currPath << wxGetVolumeString(filename.GetVolume(), wxPATH_NATIVE); + } - if (currPath.Last() == wxT(':')) - { - // Can't create a root directory so continue to next dir + wxArrayString dirs = filename.GetDirs(); + size_t count = dirs.GetCount(); + for ( size_t i = 0; i < count; i++ ) + { + if ( i > 0 || filename.IsAbsolute() ) currPath += wxFILE_SEP_PATH; - continue; - } + currPath += dirs[i]; if (!DirExists(currPath)) + { if (!wxMkdir(currPath, perm)) - noErrors ++; - - if ( (i < (count-1)) ) - currPath += wxFILE_SEP_PATH; + { + // no need to try creating further directories + return FALSE; + } + } } - return (noErrors == 0); + return TRUE; } - else - return ::wxMkdir( dir, perm ); + + return ::wxMkdir( dir, perm ); } bool wxFileName::Rmdir() @@ -745,7 +808,7 @@ bool wxFileName::Normalize(int flags, format = GetFormat(format); // make the path absolute - if ( (flags & wxPATH_NORM_ABSOLUTE) && m_relative ) + if ( (flags & wxPATH_NORM_ABSOLUTE) && !IsAbsolute(format) ) { if ( cwd.empty() ) { @@ -756,7 +819,6 @@ bool wxFileName::Normalize(int flags, curDir.AssignDir(cwd); } -#if 0 // 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 @@ -764,14 +826,12 @@ bool wxFileName::Normalize(int flags, { SetVolume(curDir.GetVolume()); - if ( IsAbsolute() ) + if ( !m_relative ) { // yes, it was the case - we don't need curDir then curDir.Clear(); } } -#endif - m_relative = FALSE; } // handle ~ stuff under Unix only @@ -859,6 +919,31 @@ bool wxFileName::Normalize(int flags, } #endif // Win32 + // we do have the path now + m_relative = FALSE; + + return TRUE; +} + +// ---------------------------------------------------------------------------- +// 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; } @@ -898,6 +983,17 @@ bool wxFileName::MakeRelativeTo(const wxString& pathBase, wxPathFormat format) 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 @@ -991,14 +1087,6 @@ bool wxFileName::IsPathSeparator(wxChar ch, wxPathFormat format) return GetPathSeparators(format).Find(ch) != wxNOT_FOUND; } -bool wxFileName::IsWild( wxPathFormat format ) -{ - // FIXME: this is probably false for Mac and this is surely wrong for most - // of Unix shells (think about "[...]") - (void)format; - return m_name.find_first_of(_T("*?")) != wxString::npos; -} - // ---------------------------------------------------------------------------- // path components manipulation // ---------------------------------------------------------------------------- @@ -1043,28 +1131,40 @@ wxString wxFileName::GetFullName() const return fullname; } -wxString wxFileName::GetPath( bool, wxPathFormat format ) const +wxString wxFileName::GetPath( int flags, wxPathFormat format ) const { - // Should add_seperator parameter be used? - format = GetFormat( format ); wxString fullpath; + // return the volume with the path as well if requested + if ( flags & wxPATH_GET_VOLUME ) + { + fullpath += wxGetVolumeString(GetVolume(), format); + } + // the leading character - if ( format == wxPATH_MAC && m_relative ) + if ( format == wxPATH_MAC ) { - fullpath += wxFILE_SEP_PATH_MAC; + if ( m_relative ) + fullpath += wxFILE_SEP_PATH_MAC; } else if ( format == wxPATH_DOS ) { - if (!m_relative) - fullpath += wxFILE_SEP_PATH_DOS; + if (!m_relative) + fullpath += wxFILE_SEP_PATH_DOS; } else if ( format == wxPATH_UNIX ) { - if (!m_relative) - fullpath += wxFILE_SEP_PATH_UNIX; + if ( !m_relative ) + { + // normally the absolute file names starts with a slash with one + // exception: file names like "~/foo.bar" don't have it + if ( m_dirs.IsEmpty() || m_dirs[0u] != _T('~') ) + { + fullpath += wxFILE_SEP_PATH_UNIX; + } + } } // then concatenate all the path components using the path separator @@ -1076,155 +1176,65 @@ wxString wxFileName::GetPath( bool, wxPathFormat format ) const fullpath += wxT('['); } - for ( size_t i = 0; i < dirCount; i++ ) { - // TODO: What to do with ".." under VMS - switch (format) { case wxPATH_MAC: - { - if (m_dirs[i] == wxT(".")) - break; - if (m_dirs[i] != wxT("..")) // convert back from ".." to nothing + 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]; - fullpath += wxT(':'); break; - } + + default: + wxFAIL_MSG( wxT("unexpected path format") ); + // still fall through + case wxPATH_DOS: - { - fullpath += m_dirs[i]; - fullpath += wxT('\\'); - break; - } case wxPATH_UNIX: - { fullpath += m_dirs[i]; - fullpath += wxT('/'); break; - } + case wxPATH_VMS: - { - if (m_dirs[i] != wxT("..")) // convert back from ".." to nothing + // TODO: What to do with ".." under VMS + // convert back from ".." to nothing + if ( m_dirs[i] != wxT("..") ) fullpath += m_dirs[i]; - if (i == dirCount-1) - fullpath += wxT(']'); - else - fullpath += wxT('.'); break; - } - default: - { - wxFAIL_MSG( wxT("error") ); - } } - } - } - - - - return fullpath; -} - -wxString wxFileName::GetFullPath( wxPathFormat format ) const -{ - format = GetFormat(format); - wxString fullpath; + if ( i != dirCount - 1 ) + fullpath += GetPathSeparator(format); + } - // first put the volume - if ( !m_volume.empty() ) - { + if ( format == wxPATH_VMS ) { - // Special Windows UNC paths hack, part 2: undo what we did in - // SplitPath() and make an UNC path if we have a drive which is not a - // single letter (hopefully the network shares can't be one letter only - // although I didn't find any authoritative docs on this) - if ( format == wxPATH_DOS && m_volume.length() > 1 ) - { - fullpath << wxFILE_SEP_PATH_DOS << wxFILE_SEP_PATH_DOS << m_volume; - } - else if ( format == wxPATH_DOS || format == wxPATH_VMS ) - { - fullpath << m_volume << GetVolumeSeparator(format); - } - // else ignore + fullpath += wxT(']'); } } - // the leading character - if ( format == wxPATH_MAC && m_relative ) - { - fullpath += wxFILE_SEP_PATH_MAC; - } - else if ( format == wxPATH_DOS ) + if ( (flags & wxPATH_GET_SEPARATOR) && !fullpath.empty() ) { - if (!m_relative) - fullpath += wxFILE_SEP_PATH_DOS; - } - else if ( format == wxPATH_UNIX ) - { - if (!m_relative) - fullpath += wxFILE_SEP_PATH_UNIX; + fullpath += GetPathSeparator(format); } - // then concatenate all the path components using the path separator - size_t dirCount = m_dirs.GetCount(); - if ( dirCount ) - { - if ( format == wxPATH_VMS ) - { - fullpath += wxT('['); - } - - - for ( size_t i = 0; i < dirCount; i++ ) - { - // TODO: What to do with ".." under VMS + return fullpath; +} - switch (format) - { - case wxPATH_MAC: - { - if (m_dirs[i] == wxT(".")) - break; - if (m_dirs[i] != wxT("..")) // convert back from ".." to nothing - fullpath += m_dirs[i]; - fullpath += wxT(':'); - break; - } - case wxPATH_DOS: - { - fullpath += m_dirs[i]; - fullpath += wxT('\\'); - break; - } - case wxPATH_UNIX: - { - fullpath += m_dirs[i]; - fullpath += wxT('/'); - break; - } - case wxPATH_VMS: - { - if (m_dirs[i] != wxT("..")) // convert back from ".." to nothing - fullpath += m_dirs[i]; - if (i == dirCount-1) - fullpath += wxT(']'); - else - fullpath += wxT('.'); - break; - } - default: - { - wxFAIL_MSG( wxT("error") ); - } - } - } - } +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); - // finally add the file name and extension + // now just add the file name and extension to it fullpath += GetFullName(); return fullpath; @@ -1266,9 +1276,8 @@ wxString wxFileName::GetLongPath() const #if defined(__WIN32__) && !defined(__WXMICROWIN__) bool success = FALSE; - // VZ: this code was disabled, why? -#if 0 // wxUSE_DYNAMIC_LOADER - typedef DWORD (*GET_LONG_PATH_NAME)(const wxChar *, wxChar *, DWORD); +#if wxUSE_DYNAMIC_LOADER + typedef DWORD (WINAPI *GET_LONG_PATH_NAME)(const wxChar *, wxChar *, DWORD); static bool s_triedToLoad = FALSE; @@ -1551,9 +1560,9 @@ void wxFileName::SplitPath(const wxString& fullpath, wxString volume; SplitPath(fullpath, &volume, path, name, ext, format); - if ( path && !volume.empty() ) + if ( path ) { - path->Prepend(volume + GetVolumeSeparator(format)); + path->Prepend(wxGetVolumeString(volume, format)); } } @@ -1561,9 +1570,9 @@ void wxFileName::SplitPath(const wxString& fullpath, // time functions // ---------------------------------------------------------------------------- -bool wxFileName::SetTimes(const wxDateTime *dtCreate, - const wxDateTime *dtAccess, - const wxDateTime *dtMod) +bool wxFileName::SetTimes(const wxDateTime *dtAccess, + const wxDateTime *dtMod, + const wxDateTime *dtCreate) { #if defined(__UNIX_LIKE__) || (defined(__DOS__) && defined(__WATCOMC__)) if ( !dtAccess && !dtMod ) @@ -1582,7 +1591,7 @@ bool wxFileName::SetTimes(const wxDateTime *dtCreate, return TRUE; } #elif defined(__WIN32__) - wxFileHandle fh(GetFullPath()); + wxFileHandle fh(GetFullPath(), wxFileHandle::Write); if ( fh.IsOk() ) { FILETIME ftAccess, ftCreate, ftWrite; @@ -1626,13 +1635,13 @@ bool wxFileName::Touch() #else // other platform wxDateTime dtNow = wxDateTime::Now(); - return SetTimes(NULL /* don't change create time */, &dtNow, &dtNow); + return SetTimes(&dtNow, &dtNow, NULL /* don't change create time */); #endif // platforms } bool wxFileName::GetTimes(wxDateTime *dtAccess, wxDateTime *dtMod, - wxDateTime *dtChange) const + wxDateTime *dtCreate) const { #if defined(__UNIX_LIKE__) || defined(__WXMAC__) || (defined(__DOS__) && defined(__WATCOMC__)) wxStructStat stBuf; @@ -1642,13 +1651,13 @@ bool wxFileName::GetTimes(wxDateTime *dtAccess, dtAccess->Set(stBuf.st_atime); if ( dtMod ) dtMod->Set(stBuf.st_mtime); - if ( dtChange ) - dtChange->Set(stBuf.st_ctime); + if ( dtCreate ) + dtCreate->Set(stBuf.st_ctime); return TRUE; } #elif defined(__WIN32__) - wxFileHandle fh(GetFullPath()); + wxFileHandle fh(GetFullPath(), wxFileHandle::Read); if ( fh.IsOk() ) { FILETIME ftAccess, ftCreate, ftWrite; @@ -1656,14 +1665,14 @@ bool wxFileName::GetTimes(wxDateTime *dtAccess, if ( ::GetFileTime(fh, dtMod ? &ftCreate : NULL, dtAccess ? &ftAccess : NULL, - dtChange ? &ftWrite : NULL) ) + dtCreate ? &ftWrite : NULL) ) { if ( dtMod ) ConvertFileTimeToWx(dtMod, ftCreate); if ( dtAccess ) ConvertFileTimeToWx(dtAccess, ftAccess); - if ( dtChange ) - ConvertFileTimeToWx(dtChange, ftWrite); + if ( dtCreate ) + ConvertFileTimeToWx(dtCreate, ftWrite); return TRUE; } @@ -1703,18 +1712,18 @@ static void MacEnsureDefaultExtensionsLoaded() MacDefaultExtensionRecord defaults[] = { { "txt" , 'TEXT' , 'ttxt' } , - + } ; // we could load the pc exchange prefs here too - + for ( int i = 0 ; i < WXSIZEOF( defaults ) ; ++i ) { gMacDefaultExtensions.Add( defaults[i] ) ; - } + } gMacDefaultExtensionsInited = true ; } } -bool wxFileName::MacSetTypeAndCreator( wxUint32 type , wxUint32 creator ) +bool wxFileName::MacSetTypeAndCreator( wxUint32 type , wxUint32 creator ) { FInfo fndrInfo ; FSSpec spec ; @@ -1728,7 +1737,7 @@ bool wxFileName::MacSetTypeAndCreator( wxUint32 type , wxUint32 creator ) return true ; } -bool wxFileName::MacGetTypeAndCreator( wxUint32 *type , wxUint32 *creator ) +bool wxFileName::MacGetTypeAndCreator( wxUint32 *type , wxUint32 *creator ) { FInfo fndrInfo ; FSSpec spec ; @@ -1752,7 +1761,7 @@ bool wxFileName::MacSetDefaultTypeAndCreator() return false; } -bool wxFileName::MacFindDefaultTypeAndCreator( const wxString& ext , wxUint32 *type , wxUint32 *creator ) +bool wxFileName::MacFindDefaultTypeAndCreator( const wxString& ext , wxUint32 *type , wxUint32 *creator ) { MacEnsureDefaultExtensionsLoaded() ; wxString extl = ext.Lower() ;