X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/4dfbcdd53d414c34498a84d1ac84cb7e1e74ef71..85cb693c5d2004de748b69ef0d5313b17f04d78f:/src/common/filename.cpp diff --git a/src/common/filename.cpp b/src/common/filename.cpp index ffffe53275..08bebb725b 100644 --- a/src/common/filename.cpp +++ b/src/common/filename.cpp @@ -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")); } } @@ -187,32 +195,45 @@ 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 ftLocal; + if ( !::FileTimeToLocalFileTime(&ft, &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__ @@ -231,7 +252,7 @@ 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 +270,21 @@ 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 +296,23 @@ 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 +342,7 @@ void wxFileName::SetPath( const wxString &path, wxPathFormat format ) } } } - else + else // no path at all { m_relative = TRUE; } @@ -359,7 +387,7 @@ 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 +538,12 @@ 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)) ) { @@ -732,7 +766,7 @@ bool wxFileName::Rmdir( const wxString &dir ) // path normalization // ---------------------------------------------------------------------------- -bool wxFileName::Normalize(wxPathNormalize flags, +bool wxFileName::Normalize(int flags, const wxString& cwd, wxPathFormat format) { @@ -745,7 +779,7 @@ bool wxFileName::Normalize(wxPathNormalize 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 +790,6 @@ bool wxFileName::Normalize(wxPathNormalize 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 +797,12 @@ bool wxFileName::Normalize(wxPathNormalize 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 +890,31 @@ bool wxFileName::Normalize(wxPathNormalize 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; } @@ -991,11 +1047,10 @@ bool wxFileName::IsPathSeparator(wxChar ch, wxPathFormat format) return GetPathSeparators(format).Find(ch) != wxNOT_FOUND; } -bool wxFileName::IsWild( wxPathFormat format ) +bool wxFileName::IsWild( wxPathFormat WXUNUSED(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; } @@ -1120,7 +1175,10 @@ wxString wxFileName::GetPath( bool add_separator, wxPathFormat format ) const } } - + if ( add_separator && !fullpath.empty() ) + { + fullpath += GetPathSeparators(format)[0u]; + } return fullpath; } @@ -1152,19 +1210,27 @@ wxString wxFileName::GetFullPath( wxPathFormat format ) const } // 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 @@ -1264,7 +1330,7 @@ wxString wxFileName::GetLongPath() const #if defined(__WIN32__) && !defined(__WXMICROWIN__) bool success = FALSE; - // VZ: this code was disabled, why? + // VZ: why was this code disabled? #if 0 // wxUSE_DYNAMIC_LOADER typedef DWORD (*GET_LONG_PATH_NAME)(const wxChar *, wxChar *, DWORD); @@ -1484,7 +1550,10 @@ void wxFileName::SplitPath(const wxString& fullpathWithVolume, // the path equal to something like '/', not empty, for the files // immediately under root directory size_t len = posLastSlash; - if ( !len ) + + // this rule does not apply to mac since we do not start with colons (sep) + // except for relative paths + if ( !len && format != wxPATH_MAC) len++; *pstrPath = fullpath.Left(len); @@ -1556,9 +1625,9 @@ 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 ) @@ -1577,7 +1646,7 @@ 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; @@ -1621,13 +1690,13 @@ 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; @@ -1637,13 +1706,13 @@ 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; @@ -1651,14 +1720,14 @@ 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; } @@ -1742,8 +1811,9 @@ bool wxFileName::MacSetDefaultTypeAndCreator() if ( wxFileName::MacFindDefaultTypeAndCreator(GetExt() , &type , &creator ) ) { - MacSetTypeAndCreator( type , creator ) ; - } + return MacSetTypeAndCreator( type , creator ) ; + } + return false; } bool wxFileName::MacFindDefaultTypeAndCreator( const wxString& ext , wxUint32 *type , wxUint32 *creator ) @@ -1772,4 +1842,3 @@ void wxFileName::MacRegisterDefaultTypeAndCreator( const wxString& ext , wxUint3 gMacDefaultExtensions.Add( rec ) ; } #endif -