X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/9bbe7068c4cdeecaf2493385a589e14d43820dcf..c4e1b7f244ce0187974d9a19d540733921add9b2:/src/common/filename.cpp diff --git a/src/common/filename.cpp b/src/common/filename.cpp index b4be3a2eaa..17525840a4 100644 --- a/src/common/filename.cpp +++ b/src/common/filename.cpp @@ -12,24 +12,29 @@ /* Here are brief descriptions of the filename formats supported by this class: - wxPATH_UNIX: standard Unix format, absolute file names have the form + 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 + 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 format, absolute file names have the form + 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 @@ -101,6 +106,18 @@ #include #endif +#ifdef __WATCOMC__ + #include + #include + #include +#endif + +#ifdef __VISAGECPP__ +#ifndef MAX_PATH +#define MAX_PATH 256 +#endif +#endif + // ---------------------------------------------------------------------------- // private classes // ---------------------------------------------------------------------------- @@ -208,6 +225,7 @@ void wxFileName::Assign( const wxFileName &filepath ) m_dirs = filepath.GetDirs(); m_name = filepath.GetName(); m_ext = filepath.GetExt(); + m_relative = filepath.IsRelative(); } void wxFileName::Assign(const wxString& volume, @@ -216,18 +234,70 @@ void wxFileName::Assign(const wxString& volume, const wxString& ext, wxPathFormat format ) { - wxStringTokenizer tn(path, GetPathSeparators(format)); - + wxPathFormat my_format = GetFormat( format ); + wxString my_path = path; + m_dirs.Clear(); - while ( tn.HasMoreTokens() ) + + if (!my_path.empty()) { - wxString token = tn.GetNextToken(); + // 1) Determine if the path is relative or absolute. + + switch (my_format) + { + case wxPATH_MAC: + m_relative = ( my_path[0u] == 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.Remove( 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('/') ); + break; + case wxPATH_DOS: + m_relative = ( (my_path[0u] != wxT('/')) && (my_path[0u] != wxT('\\')) ); + break; + default: + wxFAIL_MSG( "error" ); + 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(); - // if the path starts with a slash, we do need the first empty dir - // entry to be able to tell later that it was an absolute path, but - // otherwise ignore the double slashes - if ( m_dirs.IsEmpty() || !token.IsEmpty() ) - m_dirs.Add( token ); + // 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 ); + } + } } m_volume = volume; @@ -244,27 +314,46 @@ void wxFileName::Assign(const wxString& fullpath, Assign(volume, path, name, ext, format); } -void wxFileName::Assign(const wxString& fullpath, +void wxFileName::Assign(const wxString& fullpathOrig, const wxString& fullname, wxPathFormat format) { + // always recognize fullpath as directory, even if it doesn't end with a + // slash + wxString fullpath = fullpathOrig; + if ( !wxEndsWithPathSeparator(fullpath) ) + { + fullpath += GetPathSeparators(format)[0u]; + } + 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); } void wxFileName::AssignDir(const wxString& dir, wxPathFormat format) { - // always recognize dir as directory, even if it doesn't end with a slash - wxString dirname = dir; - if ( !wxEndsWithPathSeparator(dirname) ) - { - dirname += GetPathSeparators(format)[0u]; - } - - Assign(dirname, _T(""), format); + Assign(dir, _T(""), format); } void wxFileName::Clear() @@ -430,9 +519,9 @@ wxString wxFileName::CreateTempFileName(const wxString& prefix) // Temporarily remove - MN #ifndef __WATCOMC__ - ::DosCreateDir(wxStringBuffer(MAX_PATH), NULL); + ::DosCreateDir(wxStringBuffer(path, MAX_PATH), NULL); #endif - + #else // !Windows, !OS/2 if ( dir.empty() ) { @@ -445,7 +534,11 @@ wxString wxFileName::CreateTempFileName(const wxString& prefix) if ( dir.empty() ) { // default + #ifdef __DOS__ + dir = _T("."); + #else dir = _T("/tmp"); + #endif } } @@ -454,12 +547,12 @@ wxString wxFileName::CreateTempFileName(const wxString& prefix) if ( !wxEndsWithPathSeparator(dir) && (name.empty() || !wxIsPathSeparator(name[0u])) ) { - path += _T('/'); + path += wxFILE_SEP_PATH; } path += name; -#ifdef HAVE_MKSTEMP +#if defined(HAVE_MKSTEMP) // scratch space for mkstemp() path += _T("XXXXXX"); @@ -482,9 +575,11 @@ wxString wxFileName::CreateTempFileName(const wxString& prefix) { path.clear(); } -#else // !HAVE_MKTEMP +#else // !HAVE_MKTEMP (includes __DOS__) // generate the unique file name ourselves + #ifndef __DOS__ path << (unsigned int)getpid(); + #endif wxString pathTry; @@ -607,7 +702,7 @@ bool wxFileName::Normalize(wxPathNormalize flags, format = GetFormat(format); // make the path absolute - if ( (flags & wxPATH_NORM_ABSOLUTE) && !IsAbsolute() ) + if ( (flags & wxPATH_NORM_ABSOLUTE) && m_relative ) { if ( cwd.empty() ) { @@ -618,6 +713,7 @@ 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 @@ -631,6 +727,7 @@ bool wxFileName::Normalize(wxPathNormalize flags, curDir.Clear(); } } +#endif } // handle ~ stuff under Unix only @@ -668,7 +765,7 @@ bool wxFileName::Normalize(wxPathNormalize flags, { wxString dir = dirs[n]; - if ( flags && wxPATH_NORM_DOTS ) + if ( flags & wxPATH_NORM_DOTS ) { if ( dir == wxT(".") ) { @@ -685,7 +782,7 @@ bool wxFileName::Normalize(wxPathNormalize flags, return FALSE; } - m_dirs.Remove(m_dirs.GetCount() - 1); + m_dirs.RemoveAt(m_dirs.GetCount() - 1); continue; } } @@ -721,11 +818,53 @@ bool wxFileName::Normalize(wxPathNormalize flags, return TRUE; } +bool wxFileName::MakeRelativeTo(const wxString& pathBase, wxPathFormat format) +{ + wxFileName fnBase(pathBase, format); + + // get cwd only once - small time saving + wxString cwd = wxGetCwd(); + Normalize(wxPATH_NORM_ALL, cwd, format); + fnBase.Normalize(wxPATH_NORM_ALL, 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); + } + + m_relative = TRUE; + + // we were modified + return TRUE; +} + // ---------------------------------------------------------------------------- // filename kind tests // ---------------------------------------------------------------------------- -bool wxFileName::SameAs( const wxFileName &filepath, wxPathFormat format) +bool wxFileName::SameAs(const wxFileName &filepath, wxPathFormat format) { wxFileName fn1 = *this, fn2 = filepath; @@ -751,67 +890,17 @@ bool wxFileName::IsCaseSensitive( wxPathFormat format ) return GetFormat(format) == wxPATH_UNIX; } -bool wxFileName::IsAbsolute( wxPathFormat format ) -{ - // if we have no path, we can't be an abs filename - if ( m_dirs.IsEmpty() ) - { - return FALSE; - } - - format = GetFormat(format); - - if ( format == wxPATH_UNIX ) - { - const wxString& str = m_dirs[0u]; - if ( str.empty() ) - { - // the path started with '/', it's an absolute one - return TRUE; - } - - // the path is absolute if it starts with a path separator or - // with "~" or "~user" - wxChar ch = str[0u]; - - return IsPathSeparator(ch, format) || ch == _T('~'); - } - else // !Unix - { - // must have the drive - if ( m_volume.empty() ) - return FALSE; - - switch ( format ) - { - default: - wxFAIL_MSG( _T("unknown wxPATH_XXX style") ); - // fall through - - case wxPATH_DOS: - return m_dirs[0u].empty(); - - case wxPATH_VMS: - // TODO: what is the relative path format here? - return TRUE; - - case wxPATH_MAC: - return !m_dirs[0u].empty(); - } - } -} - /* static */ wxString wxFileName::GetVolumeSeparator(wxPathFormat format) { wxString sepVol; - if ( GetFormat(format) != wxPATH_UNIX ) + if ( (GetFormat(format) == wxPATH_DOS) || + (GetFormat(format) == wxPATH_VMS) ) { - // so far it is the same for all systems which have it sepVol = wxFILE_SEP_DSK; } - //else: leave empty, no volume separators under Unix + //else: leave empty return sepVol; } @@ -914,16 +1003,82 @@ wxString wxFileName::GetPath( bool add_separator, wxPathFormat format ) const { format = GetFormat( format ); - wxString ret; - size_t count = m_dirs.GetCount(); - for ( size_t i = 0; i < count; i++ ) + wxString fullpath; + + // the leading character + if ( format == wxPATH_MAC && m_relative ) + { + fullpath += wxFILE_SEP_PATH_MAC; + } + else if ( format == wxPATH_DOS ) { - ret += m_dirs[i]; - if ( add_separator || (i < count) ) - ret += wxFILE_SEP_PATH; + if (!m_relative) + fullpath += wxFILE_SEP_PATH_DOS; } + else if ( format == wxPATH_UNIX ) + { + if (!m_relative) + fullpath += wxFILE_SEP_PATH_UNIX; + } + + // then concatenate all the path components using the path separator + size_t dirCount = m_dirs.GetCount(); + if ( dirCount ) + { + if ( format == wxPATH_VMS ) + { + fullpath += wxT('['); + } + - return ret; + 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 + 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( "error" ); + } + } + } + } + + + + return fullpath; } wxString wxFileName::GetFullPath( wxPathFormat format ) const @@ -935,57 +1090,91 @@ wxString wxFileName::GetFullPath( wxPathFormat format ) const // first put the volume if ( !m_volume.empty() ) { - // 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 // !UNC - { - fullpath << m_volume << GetVolumeSeparator(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 && 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 } } - + + // the leading character + if ( format == wxPATH_MAC && m_relative ) + { + fullpath += wxFILE_SEP_PATH_MAC; + } + else if ( format == wxPATH_DOS ) + { + if (!m_relative) + fullpath += wxFILE_SEP_PATH_DOS; + } + else if ( format == wxPATH_UNIX ) + { + if (!m_relative) + fullpath += wxFILE_SEP_PATH_UNIX; + } + // then concatenate all the path components using the path separator size_t dirCount = m_dirs.GetCount(); if ( dirCount ) { - // under Mac, we must have a path separator in the beginning of the - // relative path - otherwise it would be parsed as an absolute one - if ( format == wxPATH_MAC && m_volume.empty() && !m_dirs[0].empty() ) - { - fullpath += wxFILE_SEP_PATH_MAC; - } - - wxChar chPathSep = GetPathSeparators(format)[0u]; if ( format == wxPATH_VMS ) { - fullpath += _T('['); + fullpath += wxT('['); } + for ( size_t i = 0; i < dirCount; i++ ) { - // under VMS, we shouldn't have a leading dot - if ( i && (format != wxPATH_VMS || !m_dirs[i - 1].empty()) ) - fullpath += chPathSep; - - fullpath += m_dirs[i]; - } + // TODO: What to do with ".." under VMS - if ( format == wxPATH_VMS ) - { - fullpath += _T(']'); - } - else // !VMS - { - // separate the file name from the last directory, notice that we - // intentionally do it even if the name and extension are empty as - // this allows us to distinguish the directories from the file - // names (the directories have the trailing slash) - fullpath += chPathSep; + 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( "error" ); + } + } } } @@ -1141,7 +1330,7 @@ wxPathFormat wxFileName::GetFormat( wxPathFormat format ) { if (format == wxPATH_NATIVE) { -#if defined(__WXMSW__) || defined(__WXPM__) +#if defined(__WXMSW__) || defined(__WXPM__) || defined(__DOS__) format = wxPATH_DOS; #elif defined(__WXMAC__) && !defined(__DARWIN__) format = wxPATH_MAC; @@ -1195,10 +1384,11 @@ void wxFileName::SplitPath(const wxString& fullpathWithVolume, } } - // do we have the volume name in the beginning? - wxString sepVol = GetVolumeSeparator(format); - if ( !sepVol.empty() ) + // 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 ) { @@ -1249,7 +1439,7 @@ void wxFileName::SplitPath(const wxString& fullpathWithVolume, else { // take everything up to the path separator but take care to make - // tha path equal to something like '/', not empty, for the files + // the path equal to something like '/', not empty, for the files // immediately under root directory size_t len = posLastSlash; if ( !len ) @@ -1328,7 +1518,7 @@ bool wxFileName::SetTimes(const wxDateTime *dtCreate, const wxDateTime *dtAccess, const wxDateTime *dtMod) { -#if defined(__UNIX_LIKE__) +#if defined(__UNIX_LIKE__) || (defined(__DOS__) && defined(__WATCOMC__)) if ( !dtAccess && !dtMod ) { // can't modify the creation time anyhow, don't try @@ -1397,20 +1587,7 @@ bool wxFileName::GetTimes(wxDateTime *dtAccess, wxDateTime *dtMod, wxDateTime *dtChange) const { -#if defined(__UNIX_LIKE__) - wxStructStat stBuf; - if ( wxStat(GetFullPath(), &stBuf) == 0 ) - { - if ( dtAccess ) - dtAccess->Set(stBuf.st_atime); - if ( dtMod ) - dtMod->Set(stBuf.st_mtime); - if ( dtChange ) - dtChange->Set(stBuf.st_ctime); - - return TRUE; - } -#elif defined(__WXMAC__) +#if defined(__UNIX_LIKE__) || defined(__WXMAC__) || (defined(__DOS__) && defined(__WATCOMC__)) wxStructStat stBuf; if ( wxStat(GetFullPath(), &stBuf) == 0 ) {