X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/4afd752902ae7c44f4b3dc2edb11d7c24f95ed54..12bb29f5432174ecbd65549bda832d70d34a98ae:/src/msw/dir.cpp?ds=sidebyside diff --git a/src/msw/dir.cpp b/src/msw/dir.cpp index 06e86573f5..55f855cf6f 100644 --- a/src/msw/dir.cpp +++ b/src/msw/dir.cpp @@ -1,12 +1,12 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: msw/dir.cpp +// Name: src/msw/dir.cpp // Purpose: wxDir implementation for Win32 // Author: Vadim Zeitlin // Modified by: // Created: 08.12.99 // RCS-ID: $Id$ // Copyright: (c) 1999 Vadim Zeitlin -// Licence: wxWindows license +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// // ============================================================================ @@ -17,10 +17,6 @@ // headers // ---------------------------------------------------------------------------- -#ifdef __GNUG__ - #pragma implementation "dir.h" -#endif - // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" @@ -34,9 +30,112 @@ #endif // PCH #include "wx/dir.h" -#include "wx/filefn.h" // for wxPathExists() -#include +#ifdef __WINDOWS__ + #include "wx/msw/private.h" +#endif + +// ---------------------------------------------------------------------------- +// define the types and functions used for file searching +// ---------------------------------------------------------------------------- + +namespace +{ + +typedef WIN32_FIND_DATA FIND_STRUCT; +typedef HANDLE FIND_DATA; +typedef DWORD FIND_ATTR; + +inline FIND_DATA InitFindData() +{ + return INVALID_HANDLE_VALUE; +} + +inline bool IsFindDataOk(FIND_DATA fd) +{ + return fd != INVALID_HANDLE_VALUE; +} + +inline void FreeFindData(FIND_DATA fd) +{ + if ( !::FindClose(fd) ) + { + wxLogLastError(wxT("FindClose")); + } +} + +const wxChar *GetNameFromFindData(const FIND_STRUCT *finddata) +{ + return finddata->cFileName; +} + +// Helper function checking that the contents of the given FIND_STRUCT really +// match our filter. We need to do it ourselves as native Windows functions +// apply the filter to both the long and the short names of the file, so +// something like "*.bar" matches "foo.bar.baz" too and not only "foo.bar", so +// we have to double check that we have a real match. +inline bool +CheckFoundMatch(const FIND_STRUCT* finddata, const wxString& filter) +{ + return filter.empty() || + wxString(GetNameFromFindData(finddata)).Matches(filter); +} + +inline bool +FindNext(FIND_DATA fd, const wxString& filter, FIND_STRUCT *finddata) +{ + for ( ;; ) + { + if ( !::FindNextFile(fd, finddata) ) + return false; + + // If we did find something, check that it really matches. + if ( CheckFoundMatch(finddata, filter) ) + return true; + } +} + +inline FIND_DATA +FindFirst(const wxString& spec, + const wxString& filter, + FIND_STRUCT *finddata) +{ + FIND_DATA fd = ::FindFirstFile(spec.t_str(), finddata); + + // As in FindNext() above, we need to check that the file name we found + // really matches our filter and look for the next match if it doesn't. + if ( IsFindDataOk(fd) && !CheckFoundMatch(finddata, filter) ) + { + if ( !FindNext(fd, filter, finddata) ) + { + // As we return the invalid handle from here to indicate that we + // didn't find anything, close the one we initially received + // ourselves. + FreeFindData(fd); + + return INVALID_HANDLE_VALUE; + } + } + + return fd; +} + +inline FIND_ATTR GetAttrFromFindData(FIND_STRUCT *finddata) +{ + return finddata->dwFileAttributes; +} + +inline bool IsDir(FIND_ATTR attr) +{ + return (attr & FILE_ATTRIBUTE_DIRECTORY) != 0; +} + +inline bool IsHidden(FIND_ATTR attr) +{ + return (attr & (FILE_ATTRIBUTE_HIDDEN | FILE_ATTRIBUTE_SYSTEM)) != 0; +} + +} // anonymous namespace // ---------------------------------------------------------------------------- // constants @@ -70,13 +169,17 @@ public: void Rewind(); bool Read(wxString *filename); + const wxString& GetName() const { return m_dirname; } + private: - HANDLE m_handle; + FIND_DATA m_finddata; wxString m_dirname; wxString m_filespec; int m_flags; + + wxDECLARE_NO_COPY_CLASS(wxDirData); }; // ============================================================================ @@ -90,7 +193,7 @@ private: wxDirData::wxDirData(const wxString& dirname) : m_dirname(dirname) { - m_handle = INVALID_HANDLE_VALUE; + m_finddata = InitFindData(); } wxDirData::~wxDirData() @@ -100,14 +203,11 @@ wxDirData::~wxDirData() void wxDirData::Close() { - if ( m_handle != INVALID_HANDLE_VALUE ) + if ( IsFindDataOk(m_finddata) ) { - if ( !::FindClose(m_handle) ) - { - wxLogLastError(_T("FindClose")); - } + FreeFindData(m_finddata); - m_handle = INVALID_HANDLE_VALUE; + m_finddata = InitFindData(); } } @@ -118,79 +218,91 @@ void wxDirData::Rewind() bool wxDirData::Read(wxString *filename) { - bool first = FALSE; + bool first = false; WIN32_FIND_DATA finddata; - if ( m_handle == INVALID_HANDLE_VALUE ) + #define PTR_TO_FINDDATA (&finddata) + + if ( !IsFindDataOk(m_finddata) ) { // open first - wxString filespec; - filespec << m_dirname << _T('\\') - << (!m_filespec ? _T("*.*") : m_filespec.c_str()); + wxString filespec = m_dirname; + if ( !wxEndsWithPathSeparator(filespec) ) + { + filespec += wxT('\\'); + } + if ( !m_filespec ) + filespec += wxT("*.*"); + else + filespec += m_filespec; - m_handle = ::FindFirstFile(filespec, &finddata); + m_finddata = FindFirst(filespec, m_filespec, PTR_TO_FINDDATA); - first = TRUE; + first = true; } - if ( m_handle == INVALID_HANDLE_VALUE ) + if ( !IsFindDataOk(m_finddata) ) { +#ifdef __WIN32__ DWORD err = ::GetLastError(); - if ( err != ERROR_FILE_NOT_FOUND ) + if ( err != ERROR_FILE_NOT_FOUND && err != ERROR_NO_MORE_FILES ) { - wxLogSysError(err, _("Can not enumerate files in directory '%s'"), + wxLogSysError(err, _("Cannot enumerate files in directory '%s'"), m_dirname.c_str()); } +#endif // __WIN32__ //else: not an error, just no (such) files - return FALSE; + return false; } const wxChar *name; - DWORD attr; + FIND_ATTR attr; for ( ;; ) { if ( first ) { - first = FALSE; + first = false; } else { - if ( !::FindNextFile(m_handle, &finddata) ) + if ( !FindNext(m_finddata, m_filespec, PTR_TO_FINDDATA) ) { +#ifdef __WIN32__ DWORD err = ::GetLastError(); if ( err != ERROR_NO_MORE_FILES ) { - wxLogLastError(_T("FindNext")); + wxLogLastError(wxT("FindNext")); } +#endif // __WIN32__ //else: not an error, just no more (such) files - return FALSE; + return false; } } - name = finddata.cFileName; - attr = finddata.dwFileAttributes; + name = GetNameFromFindData(PTR_TO_FINDDATA); + attr = GetAttrFromFindData(PTR_TO_FINDDATA); // don't return "." and ".." unless asked for - if ( name[0] == _T('.') && - ((name[1] == _T('.') && name[2] == _T('\0')) || - (name[1] == _T('\0'))) ) + if ( name[0] == wxT('.') && + ((name[1] == wxT('.') && name[2] == wxT('\0')) || + (name[1] == wxT('\0'))) ) { if ( !(m_flags & wxDIR_DOTDOT) ) continue; } // check the type now - if ( !(m_flags & wxDIR_FILES) && !(attr & FILE_ATTRIBUTE_DIRECTORY) ) + if ( !(m_flags & wxDIR_FILES) && !IsDir(attr) ) { // it's a file, but we don't want them continue; } - else if ( !(m_flags & wxDIR_DIRS) && (attr & FILE_ATTRIBUTE_DIRECTORY) ) + else if ( !(m_flags & wxDIR_DIRS) && IsDir(attr) ) { // it's a dir, and we don't want it continue; @@ -199,7 +311,7 @@ bool wxDirData::Read(wxString *filename) // finally, check whether it's a hidden file if ( !(m_flags & wxDIR_HIDDEN) ) { - if ( attr & (FILE_ATTRIBUTE_HIDDEN | FILE_ATTRIBUTE_SYSTEM) ) + if ( IsHidden(attr) ) { // it's a hidden file, skip it continue; @@ -211,17 +323,7 @@ bool wxDirData::Read(wxString *filename) break; } - return TRUE; -} - -// ---------------------------------------------------------------------------- -// wxDir helpers -// ---------------------------------------------------------------------------- - -/* static */ -bool wxDir::Exists(const wxString& dir) -{ - return wxPathExists(dir); + return true; } // ---------------------------------------------------------------------------- @@ -238,9 +340,20 @@ wxDir::wxDir(const wxString& dirname) bool wxDir::Open(const wxString& dirname) { delete M_DIR; - m_data = new wxDirData(dirname); - return TRUE; + // The Unix code does a similar test + if (wxDirExists(dirname)) + { + m_data = new wxDirData(dirname); + + return true; + } + else + { + m_data = NULL; + + return false; + } } bool wxDir::IsOpened() const @@ -248,9 +361,35 @@ bool wxDir::IsOpened() const return m_data != NULL; } -wxDir::~wxDir() +wxString wxDir::GetName() const { - delete M_DIR; + wxString name; + if ( m_data ) + { + name = M_DIR->GetName(); + if ( !name.empty() ) + { + // bring to canonical Windows form + name.Replace(wxT("/"), wxT("\\")); + + if ( name.Last() == wxT('\\') ) + { + // chop off the last (back)slash + name.Truncate(name.length() - 1); + } + } + } + + return name; +} + +void wxDir::Close() +{ + if ( m_data ) + { + delete m_data; + m_data = NULL; + } } // ---------------------------------------------------------------------------- @@ -261,7 +400,7 @@ bool wxDir::GetFirst(wxString *filename, const wxString& filespec, int flags) const { - wxCHECK_MSG( IsOpened(), FALSE, _T("must wxDir::Open() first") ); + wxCHECK_MSG( IsOpened(), false, wxT("must wxDir::Open() first") ); M_DIR->Rewind(); @@ -273,9 +412,48 @@ bool wxDir::GetFirst(wxString *filename, bool wxDir::GetNext(wxString *filename) const { - wxCHECK_MSG( IsOpened(), FALSE, _T("must wxDir::Open() first") ); + wxCHECK_MSG( IsOpened(), false, wxT("must wxDir::Open() first") ); - wxCHECK_MSG( filename, FALSE, _T("bad pointer in wxDir::GetNext()") ); + wxCHECK_MSG( filename, false, wxT("bad pointer in wxDir::GetNext()") ); return M_DIR->Read(filename); } + +// ---------------------------------------------------------------------------- +// wxGetDirectoryTimes: used by wxFileName::GetTimes() +// ---------------------------------------------------------------------------- + +#ifdef __WIN32__ + +extern bool +wxGetDirectoryTimes(const wxString& dirname, + FILETIME *ftAccess, FILETIME *ftCreate, FILETIME *ftMod) +{ +#ifdef __WXWINCE__ + // FindFirst() is going to fail + wxASSERT_MSG( !dirname.empty(), + wxT("incorrect directory name format in wxGetDirectoryTimes") ); +#else + // FindFirst() is going to fail + wxASSERT_MSG( !dirname.empty() && dirname.Last() != wxT('\\'), + wxT("incorrect directory name format in wxGetDirectoryTimes") ); +#endif + + FIND_STRUCT fs; + FIND_DATA fd = FindFirst(dirname, wxEmptyString, &fs); + if ( !IsFindDataOk(fd) ) + { + return false; + } + + *ftAccess = fs.ftLastAccessTime; + *ftCreate = fs.ftCreationTime; + *ftMod = fs.ftLastWriteTime; + + FindClose(fd); + + return true; +} + +#endif // __WIN32__ +