/////////////////////////////////////////////////////////////////////////////
-// Name: os2/dir.cpp
+// Name: src/os2/dir.cpp
// Purpose: wxDir implementation for OS/2
// Author: Vadim Zeitlin
// Modified by: Stefan Neis
// Created: 08.12.99
// RCS-ID: $Id$
// Copyright: (c) 1999 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
-// Licence: wxWindows license
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// ============================================================================
// headers
// ----------------------------------------------------------------------------
-#ifdef __GNUG__
- #pragma implementation "dir.h"
-#endif
-
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#ifndef WX_PRECOMP
+ #include "wx/os2/private.h"
#include "wx/intl.h"
#include "wx/log.h"
#endif // PCH
#include <sys/types.h>
+#define INCL_DOSFILEMGR
+#define INCL_DOSERRORS
+#include <os2.h>
+
#ifdef __EMX__
#include <dirent.h>
-#else
-#include <direct.h>
+#endif
+
+// ----------------------------------------------------------------------------
+// define the types and functions used for file searching
+// ----------------------------------------------------------------------------
+
+typedef FILEFINDBUF3 FIND_STRUCT;
+typedef HDIR FIND_DATA;
+typedef ULONG FIND_ATTR;
+
+static inline FIND_DATA InitFindData() { return ERROR_INVALID_HANDLE; }
+
+static inline bool IsFindDataOk(
+ FIND_DATA vFd
+)
+{
+ return vFd != ERROR_INVALID_HANDLE;
+}
+
+static inline void FreeFindData(
+ FIND_DATA vFd
+)
+{
+ if (!::DosFindClose(vFd))
+ {
+ wxLogLastError(wxT("DosFindClose"));
+ }
+}
+
+static inline FIND_DATA FindFirst(
+ const wxString& rsSpec
+, FIND_STRUCT* pFinddata
+)
+{
+ ULONG ulFindCount = 1;
+ FIND_DATA hDir = HDIR_CREATE;
+ FIND_ATTR rc;
+
+ rc = ::DosFindFirst( rsSpec.c_str()
+ ,&hDir
+ ,0x37 // was: FILE_NORMAL
+ ,pFinddata
+ ,sizeof(FILEFINDBUF3)
+ ,&ulFindCount
+ ,FIL_STANDARD
+ );
+ if (rc != 0)
+ return InitFindData();
+ return hDir;
+}
+
+static inline bool FindNext(
+ FIND_DATA vFd
+, FIND_STRUCT* pFinddata
+)
+{
+ ULONG ulFindCount = 1;
+
+ return ::DosFindNext( vFd
+ ,pFinddata
+ ,sizeof(FILEFINDBUF3)
+ ,&ulFindCount
+ ) == 0;
+}
+
+static const wxChar* GetNameFromFindData(
+ FIND_STRUCT* pFinddata
+)
+{
+ return (wxChar*)pFinddata->achName;
+}
+
+static const FIND_ATTR GetAttrFromFindData(
+ FIND_STRUCT* pFinddata
+)
+{
+ return pFinddata->attrFile;
+}
+
+static inline bool IsDir(
+ FIND_ATTR vAttr
+)
+{
+ return (vAttr & FILE_DIRECTORY) != 0;
+}
+
+static inline bool IsHidden(
+ FIND_ATTR vAttr
+)
+{
+ return (vAttr & (FILE_HIDDEN | FILE_SYSTEM)) != 0;
+}
+
+// ----------------------------------------------------------------------------
+// constants
+// ----------------------------------------------------------------------------
+
+#ifndef MAX_PATH
+ #define MAX_PATH 260 // from PM++ headers
#endif
// ----------------------------------------------------------------------------
class wxDirData
{
public:
- wxDirData(const wxString& dirname);
+ wxDirData(const wxString& rsDirname);
~wxDirData();
- bool IsOk() const { return m_dir != NULL; }
-
- void SetFileSpec(const wxString& filespec) { m_filespec = filespec; }
- void SetFlags(int flags) { m_flags = flags; }
+ void SetFileSpec(const wxString& rsFilespec) { m_sFilespec = rsFilespec; }
+ void SetFlags(int nFlags) { m_nFlags = nFlags; }
- void Rewind() { rewinddir(m_dir); }
- bool Read(wxString *filename);
+ const wxString& GetName() const { return m_sDirname; }
+ void Close();
+ void Rewind();
+ bool Read(wxString* rsFilename);
private:
- DIR *m_dir;
-
- wxString m_dirname;
- wxString m_filespec;
-
- int m_flags;
-};
+ FIND_DATA m_vFinddata;
+ wxString m_sDirname;
+ wxString m_sFilespec;
+ int m_nFlags;
+}; // end of CLASS wxDirData
// ============================================================================
// implementation
// wxDirData
// ----------------------------------------------------------------------------
-wxDirData::wxDirData(const wxString& dirname)
- : m_dirname(dirname)
+wxDirData::wxDirData(
+ const wxString& rsDirname
+)
+: m_sDirname(rsDirname)
{
- m_dir = NULL;
+ m_vFinddata = InitFindData();
+} // end of wxDirData::wxDirData
- // throw away the trailing slashes
- size_t n = m_dirname.length();
- wxCHECK_RET( n, _T("empty dir name in wxDir") );
-
- while ( n > 0 && m_dirname[--n] == '/' )
- ;
+wxDirData::~wxDirData()
+{
+ Close();
+} // end of wxDirData::~wxDirData
- m_dirname.Truncate(n + 1);
+void wxDirData::Close()
+{
+ if ( IsFindDataOk(m_vFinddata) )
+ {
+ FreeFindData(m_vFinddata);
+ m_vFinddata = InitFindData();
+ }
+} // end of wxDirData::Close
- // do open the dir
- m_dir = opendir(m_dirname.fn_str());
-}
+void wxDirData::Rewind()
+{
+ Close();
+} // end of wxDirData::Rewind
-wxDirData::~wxDirData()
+bool wxDirData::Read(
+ wxString* psFilename
+)
{
- if ( m_dir )
+ bool bFirst = false;
+
+ FILEFINDBUF3 vFinddata;
+ #define PTR_TO_FINDDATA (&vFinddata)
+
+ if (!IsFindDataOk(m_vFinddata))
{
- if ( closedir(m_dir) != 0 )
+ //
+ // Open first
+ //
+ wxString sFilespec = m_sDirname;
+
+ if ( !wxEndsWithPathSeparator(sFilespec) )
{
- wxLogLastError(_T("closedir"));
+ sFilespec += wxT('\\');
}
+ sFilespec += (!m_sFilespec ? wxT("*.*") : m_sFilespec.c_str());
+
+ m_vFinddata = FindFirst( sFilespec
+ ,PTR_TO_FINDDATA
+ );
+ bFirst = true;
}
-}
-bool wxDirData::Read(wxString *filename)
-{
- dirent *de;
- bool matches = FALSE;
+ if ( !IsFindDataOk(m_vFinddata) )
+ {
+ return false;
+ }
+
+ const wxChar* zName;
+ FIND_ATTR vAttr;
- while ( !matches )
+ for ( ;; )
{
- de = readdir(m_dir);
- if ( !de )
- return FALSE;
-
- // don't return "." and ".." unless asked for
- if ( de->d_name[0] == '.' &&
- ((de->d_name[1] == '.' && de->d_name[2] == '\0') ||
- (de->d_name[1] == '\0')) )
+ if (bFirst)
+ {
+ bFirst = false;
+ }
+ else
+ {
+ if (!FindNext( m_vFinddata
+ ,PTR_TO_FINDDATA
+ ))
+ {
+ return false;
+ }
+ }
+
+ zName = GetNameFromFindData(PTR_TO_FINDDATA);
+ vAttr = GetAttrFromFindData(PTR_TO_FINDDATA);
+
+ //
+ // Don't return "." and ".." unless asked for
+ //
+ if ( zName[0] == wxT('.') &&
+ ((zName[1] == wxT('.') && zName[2] == wxT('\0')) ||
+ (zName[1] == wxT('\0'))) )
{
- if ( !(m_flags & wxDIR_DOTDOT) )
+ if (!(m_nFlags & wxDIR_DOTDOT))
continue;
}
- // check the type now
- if ( !(m_flags & wxDIR_FILES) &&
- !wxDir::Exists(m_dirname + _T('/') + de->d_name) )
+ //
+ // Check the type now
+ //
+ if (!(m_nFlags & wxDIR_FILES) && !IsDir(vAttr))
{
- // it's a file, but we don't want them
+ //
+ // It's a file, but we don't want them
+ //
continue;
}
- else if ( !(m_flags & wxDIR_DIRS) &&
- wxDir::Exists(m_dirname + _T('/') + de->d_name) )
+ else if (!(m_nFlags & wxDIR_DIRS) && IsDir(vAttr) )
{
- // it's a dir, and we don't want it
+ //
+ // It's a dir, and we don't want it
+ //
continue;
}
- // finally, check the name
- if ( !m_filespec )
+ //
+ // Finally, check whether it's a hidden file
+ //
+ if (!(m_nFlags & wxDIR_HIDDEN))
{
- matches = m_flags & wxDIR_HIDDEN ? TRUE : de->d_name[0] != '.';
- }
- else
- {
- // test against the pattern
- matches = wxMatchWild(m_filespec, de->d_name,
- !(m_flags & wxDIR_HIDDEN));
+ if (IsHidden(vAttr))
+ {
+ //
+ // It's a hidden file, skip it
+ //
+ continue;
+ }
}
+ *psFilename = zName;
+ break;
}
-
- *filename = de->d_name;
-
- return TRUE;
-}
-
-// ----------------------------------------------------------------------------
-// wxDir helpers
-// ----------------------------------------------------------------------------
-
-/* static */
-bool wxDir::Exists(const wxString& dir)
-{
- return wxPathExists(dir);
-}
+ return true;
+} // end of wxDirData::Read
// ----------------------------------------------------------------------------
// wxDir construction/destruction
// ----------------------------------------------------------------------------
-wxDir::wxDir(const wxString& dirname)
+wxDir::wxDir(
+ const wxString& rsDirname
+)
{
m_data = NULL;
- (void)Open(dirname);
-}
+ (void)Open(rsDirname);
+} // end of wxDir::wxDir
-bool wxDir::Open(const wxString& dirname)
+bool wxDir::Open(
+ const wxString& rsDirname
+)
{
delete M_DIR;
- m_data = new wxDirData(dirname);
-
- if ( !M_DIR->IsOk() )
- {
- wxLogSysError(_("Can not enumerate files in directory '%s'"),
- dirname.c_str());
-
- delete M_DIR;
- m_data = NULL;
-
- return FALSE;
- }
-
- return TRUE;
-}
+ m_data = new wxDirData(rsDirname);
+ return true;
+} // end of wxDir::Open
bool wxDir::IsOpened() const
{
return m_data != NULL;
+} // end of wxDir::IsOpen
+
+wxString wxDir::GetName() const
+{
+ 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;
}
wxDir::~wxDir()
{
delete M_DIR;
-}
+} // end of wxDir::~wxDir
// ----------------------------------------------------------------------------
// wxDir enumerating
// ----------------------------------------------------------------------------
-bool wxDir::GetFirst(wxString *filename,
- const wxString& filespec,
- int flags) const
+bool wxDir::GetFirst(
+ wxString* psFilename
+, const wxString& rsFilespec
+, int nFlags
+) const
{
- wxCHECK_MSG( IsOpened(), FALSE, _T("must wxDir::Open() first") );
-
+ wxCHECK_MSG( IsOpened(), false, wxT("must wxDir::Open() first") );
M_DIR->Rewind();
-
- M_DIR->SetFileSpec(filespec);
- M_DIR->SetFlags(flags);
-
- return GetNext(filename);
-}
-
-bool wxDir::GetNext(wxString *filename) const
+ M_DIR->SetFileSpec(rsFilespec);
+ M_DIR->SetFlags(nFlags);
+ return GetNext(psFilename);
+} // end of wxDir::GetFirst
+
+bool wxDir::GetNext(
+ wxString* psFilename
+) const
{
- wxCHECK_MSG( IsOpened(), FALSE, _T("must wxDir::Open() first") );
-
- wxCHECK_MSG( filename, FALSE, _T("bad pointer in wxDir::GetNext()") );
+ wxCHECK_MSG( IsOpened(), false, wxT("must wxDir::Open() first") );
+ wxCHECK_MSG( psFilename, false, wxT("bad pointer in wxDir::GetNext()") );
+ return M_DIR->Read(psFilename);
+} // end of wxDir::GetNext
- return M_DIR->Read(filename);
-}
projects / wxWidgets.git / blobdiff