no changes (0 -> NULL)

[wxWidgets.git] / include / wx / filename.h

diff --git a/include/wx/filename.h b/include/wx/filename.h
index 76f9e2169e5646e38b97b83e22b1649a4dd678c0..4e5923d5d2b99c01f6d2bec32b12f847823e452b 100644 (file)
--- a/include/wx/filename.h
+++ b/include/wx/filename.h
@@ -36,6 +36,9 @@
 
 // ridiculously enough, this will replace DirExists with wxDirExists etc
 #include "wx/filefn.h"
 
 // ridiculously enough, this will replace DirExists with wxDirExists etc
 #include "wx/filefn.h"

+#include "wx/datetime.h"
+
+class WXDLLEXPORT wxFile;

 
 // ----------------------------------------------------------------------------
 // constants
 
 // ----------------------------------------------------------------------------
 // constants


@@ -50,6 +53,7 @@ enum wxPathFormat
     wxPATH_UNIX,
     wxPATH_MAC,
     wxPATH_DOS,
     wxPATH_UNIX,
     wxPATH_MAC,
     wxPATH_DOS,

+    wxPATH_VMS,

 
     wxPATH_BEOS = wxPATH_UNIX,
     wxPATH_WIN = wxPATH_DOS,
 
     wxPATH_BEOS = wxPATH_UNIX,
     wxPATH_WIN = wxPATH_DOS,


@@ -65,7 +69,21 @@ enum wxPathNormalize
     wxPATH_NORM_TILDE    = 0x0004,  // Unix only: replace ~ and ~user
     wxPATH_NORM_CASE     = 0x0008,  // if case insensitive => tolower
     wxPATH_NORM_ABSOLUTE = 0x0010,  // make the path absolute
     wxPATH_NORM_TILDE    = 0x0004,  // Unix only: replace ~ and ~user
     wxPATH_NORM_CASE     = 0x0008,  // if case insensitive => tolower
     wxPATH_NORM_ABSOLUTE = 0x0010,  // make the path absolute

-    wxPATH_NORM_ALL      = 0x001f
+    wxPATH_NORM_LONG =     0x0020,  // make the path the long form
+    wxPATH_NORM_ALL      = 0x003f
+};
+
+// what exactly should GetPath() return?
+enum
+{
+    wxPATH_GET_VOLUME    = 0x0001,  // include the volume if applicable
+    wxPATH_GET_SEPARATOR = 0x0002   // terminate the path with the separator
+};
+
+// MkDir flags
+enum
+{
+    wxPATH_MKDIR_FULL    = 0x0001   // create directories recursively

 };
 
 // ----------------------------------------------------------------------------
 };
 
 // ----------------------------------------------------------------------------


@@ -93,6 +111,14 @@ public:
                wxPathFormat format = wxPATH_NATIVE)
         { Assign(path, name, format); }
 
                wxPathFormat format = wxPATH_NATIVE)
         { Assign(path, name, format); }
 

+        // from a volume, directory name, file base name and extension
+    wxFileName(const wxString& volume,
+               const wxString& path,
+               const wxString& name,
+               const wxString& ext,
+               wxPathFormat format = wxPATH_NATIVE)
+        { Assign(volume, path, name, ext, format); }
+

         // from a directory name, file base name and extension
     wxFileName(const wxString& path,
                const wxString& name,
         // from a directory name, file base name and extension
     wxFileName(const wxString& path,
                const wxString& name,


@@ -100,31 +126,41 @@ public:
                wxPathFormat format = wxPATH_NATIVE)
         { Assign(path, name, ext, format); }
 
                wxPathFormat format = wxPATH_NATIVE)
         { Assign(path, name, ext, format); }
 

-        // assorted assignment operators
-
-    wxFileName& operator=(const wxFileName& filename)
-        { Assign(filename); return *this; }
-
-    wxFileName& operator=(const wxString& filename)
-        { Assign(filename); return *this; }
-

         // the same for delayed initialization
 
         // the same for delayed initialization
 

-        // VZ: wouldn't it be better to call this Create() for consistency with
-        //     all GUI classes? Personally, I like Set() more than Assign() too
-

     void Assign(const wxFileName& filepath);
     void Assign(const wxFileName& filepath);

+

     void Assign(const wxString& fullpath,
                 wxPathFormat format = wxPATH_NATIVE);
     void Assign(const wxString& fullpath,
                 wxPathFormat format = wxPATH_NATIVE);

+
+    void Assign(const wxString& volume,
+                const wxString& path,
+                const wxString& name,
+                const wxString& ext,
+                wxPathFormat format = wxPATH_NATIVE);
+

     void Assign(const wxString& path,
                 const wxString& name,
                 wxPathFormat format = wxPATH_NATIVE);
     void Assign(const wxString& path,
                 const wxString& name,
                 wxPathFormat format = wxPATH_NATIVE);

+

     void Assign(const wxString& path,
                 const wxString& name,
                 const wxString& ext,
     void Assign(const wxString& path,
                 const wxString& name,
                 const wxString& ext,

-                wxPathFormat format = wxPATH_NATIVE);
-    void AssignDir(const wxString& dir, wxPathFormat format = wxPATH_NATIVE)
-        { Assign(dir, _T(""), format); }
+                wxPathFormat format = wxPATH_NATIVE)
+    {
+        // empty volume
+        Assign(_T(""), path, name, ext, format);
+    }
+
+    void AssignDir(const wxString& dir, wxPathFormat format = wxPATH_NATIVE);
+
+        // assorted assignment operators
+
+    wxFileName& operator=(const wxFileName& filename)
+        { Assign(filename); return *this; }
+
+    wxFileName& operator=(const wxString& filename)
+        { Assign(filename); return *this; }

 
         // reset all components to default, uninitialized state
     void Clear();
 
         // reset all components to default, uninitialized state
     void Clear();


@@ -133,7 +169,7 @@ public:
     static wxFileName FileName(const wxString& file);
     static wxFileName DirName(const wxString& dir);
 
     static wxFileName FileName(const wxString& file);
     static wxFileName DirName(const wxString& dir);
 

-    // test for existence
+    // file tests

 
         // is the filename valid at all?
     bool IsOk() const { return !m_dirs.IsEmpty() || !m_name.IsEmpty(); }
 
         // is the filename valid at all?
     bool IsOk() const { return !m_dirs.IsEmpty() || !m_name.IsEmpty(); }


@@ -148,11 +184,46 @@ public:
 
         // VZ: also need: IsDirWritable(), IsFileExecutable() &c (TODO)
 
 
         // VZ: also need: IsDirWritable(), IsFileExecutable() &c (TODO)
 

+    // time functions
+
+        // set the file last access/mod and creation times
+        // (any of the pointers may be NULL)
+    bool SetTimes(const wxDateTime *dtAccess,
+                  const wxDateTime *dtMod,
+                  const wxDateTime *dtCreate);
+
+        // set the access and modification times to the current moment
+    bool Touch();
+
+        // return the last access, last modification and create times
+        // (any of the pointers may be NULL)
+    bool GetTimes(wxDateTime *dtAccess,
+                  wxDateTime *dtMod,
+                  wxDateTime *dtCreate) const;
+
+        // convenience wrapper: get just the last mod time of the file
+    wxDateTime GetModificationTime() const
+    {
+        wxDateTime dtMod;
+        (void)GetTimes(NULL, &dtMod, NULL);
+        return dtMod;
+    }
+
+#ifdef __WXMAC__
+    bool MacSetTypeAndCreator( wxUint32 type , wxUint32 creator ) ;
+    bool MacGetTypeAndCreator( wxUint32 *type , wxUint32 *creator ) ;
+    // gets the 'common' type and creator for a certain extension
+    static bool MacFindDefaultTypeAndCreator( const wxString& ext , wxUint32 *type , wxUint32 *creator ) ;
+    // registers application defined extensions and their default type and creator
+    static void MacRegisterDefaultTypeAndCreator( const wxString& ext , wxUint32 type , wxUint32 creator ) ;
+    // looks up the appropriate type and creator from the registration and then sets
+    bool MacSetDefaultTypeAndCreator() ;
+#endif

     // various file/dir operations
 
         // retrieve the value of the current working directory
     // various file/dir operations
 
         // retrieve the value of the current working directory

-    void AssignCwd();
-    static wxString GetCwd();
+    void AssignCwd(const wxString& volume = wxEmptyString);
+    static wxString GetCwd(const wxString& volume = wxEmptyString);

 
         // change the current working directory
     bool SetCwd();
 
         // change the current working directory
     bool SetCwd();


@@ -162,12 +233,17 @@ public:
     void AssignHomeDir();
     static wxString GetHomeDir();
 
     void AssignHomeDir();
     static wxString GetHomeDir();
 

-        // get a temp file name starting with thespecified prefix
-    void AssignTempFileName( const wxString &prefix );
+        // get a temp file name starting with the specified prefix and open the
+        // file passed to us using this name for writing (atomically if
+        // possible)
+    void AssignTempFileName(const wxString& prefix, wxFile *fileTemp = NULL);
+    static wxString CreateTempFileName(const wxString& prefix,
+                                       wxFile *fileTemp = NULL);

 
 

-    // directory creation and removal
-    bool Mkdir( int perm = 0777 );
-    static bool Mkdir( const wxString &dir, int perm = 0777 );
+    // directory creation and removal.
+    // if full is TRUE, will try to make each directory in the path.
+    bool Mkdir( int perm = 0777, int flags = 0);
+    static bool Mkdir( const wxString &dir, int perm = 0777, int flags = 0 );

 
     bool Rmdir();
     static bool Rmdir( const wxString &dir );
 
     bool Rmdir();
     static bool Rmdir( const wxString &dir );


@@ -179,35 +255,60 @@ public:
         // variables will be expanded in it
         //
         // this may be done using another (than current) value of cwd
         // variables will be expanded in it
         //
         // this may be done using another (than current) value of cwd

-    bool Normalize(wxPathNormalize flags = wxPATH_NORM_ALL,
+    bool Normalize(int flags = wxPATH_NORM_ALL,

                    const wxString& cwd = wxEmptyString,
                    wxPathFormat format = wxPATH_NATIVE);
 
                    const wxString& cwd = wxEmptyString,
                    wxPathFormat format = wxPATH_NATIVE);
 

+        // get a path path relative to the given base directory, i.e. opposite
+        // of Normalize
+        //
+        // pass an empty string to get a path relative to the working directory
+        //
+        // returns TRUE if the file name was modified, FALSE if we failed to do
+        // anything with it (happens when the file is on a different volume,
+        // for example)
+    bool MakeRelativeTo(const wxString& pathBase = _T(""),
+                        wxPathFormat format = wxPATH_NATIVE);
+
+

     // Comparison
 
     // Comparison
 

+        // compares with the rules of this platform
+    bool SameAs(const wxFileName &filepath,
+                wxPathFormat format = wxPATH_NATIVE);
+

         // uses the current platform settings
     bool operator==(const wxFileName& filename) { return SameAs(filename); }
     bool operator==(const wxString& filename)
         { return *this == wxFileName(filename); }
 
         // uses the current platform settings
     bool operator==(const wxFileName& filename) { return SameAs(filename); }
     bool operator==(const wxString& filename)
         { return *this == wxFileName(filename); }
 

-        // compares with the rules of this platform
-    bool SameAs(const wxFileName &filepath,
-                wxPathFormat format = wxPATH_NATIVE);
-
-    // Tests
+        // are the file names of this type cases sensitive?

     static bool IsCaseSensitive( wxPathFormat format = wxPATH_NATIVE );
     static bool IsCaseSensitive( wxPathFormat format = wxPATH_NATIVE );

-    bool IsRelative( wxPathFormat format = wxPATH_NATIVE );
-    bool IsAbsolute( wxPathFormat format = wxPATH_NATIVE );
+
+        // is this filename absolute?
+    bool IsAbsolute(wxPathFormat format = wxPATH_NATIVE) const;
+
+        // is this filename relative?
+    bool IsRelative(wxPathFormat format = wxPATH_NATIVE) const
+        { return !IsAbsolute(format); }
+
+    // Information about path format
+
+    // get the string separating the volume from the path for this format,
+    // return an empty string if this format doesn't support the notion of
+    // volumes at all
+    static wxString GetVolumeSeparator(wxPathFormat format = wxPATH_NATIVE);

 
     // get the string of path separators for this format
     static wxString GetPathSeparators(wxPathFormat format = wxPATH_NATIVE);
 
 
     // get the string of path separators for this format
     static wxString GetPathSeparators(wxPathFormat format = wxPATH_NATIVE);
 

+    // get the canonical path separator for this format
+    static wxChar GetPathSeparator(wxPathFormat format = wxPATH_NATIVE)
+        { return GetPathSeparators(format)[0u]; }
+

     // is the char a path separator for this format?
     static bool IsPathSeparator(wxChar ch, wxPathFormat format = wxPATH_NATIVE);
 
     // is the char a path separator for this format?
     static bool IsPathSeparator(wxChar ch, wxPathFormat format = wxPATH_NATIVE);
 

-    // FIXME: what exactly does this do?
-    bool IsWild( wxPathFormat format = wxPATH_NATIVE );
-

     // Dir accessors
     void AppendDir( const wxString &dir );
     void PrependDir( const wxString &dir );
     // Dir accessors
     void AppendDir( const wxString &dir );
     void PrependDir( const wxString &dir );


@@ -218,46 +319,91 @@ public:
     // Other accessors
     void SetExt( const wxString &ext )          { m_ext = ext; }
     wxString GetExt() const                     { return m_ext; }
     // Other accessors
     void SetExt( const wxString &ext )          { m_ext = ext; }
     wxString GetExt() const                     { return m_ext; }

-    bool HasExt() const                         { return !m_ext.IsEmpty(); }
+    bool HasExt() const                         { return !m_ext.empty(); }

 
     void SetName( const wxString &name )        { m_name = name; }
     wxString GetName() const                    { return m_name; }
 
     void SetName( const wxString &name )        { m_name = name; }
     wxString GetName() const                    { return m_name; }

-    bool HasName() const                        { return !m_name.IsEmpty(); }
+    bool HasName() const                        { return !m_name.empty(); }

 
 

+    void SetVolume( const wxString &volume )    { m_volume = volume; }
+    wxString GetVolume() const                  { return m_volume; }
+    bool HasVolume() const                      { return !m_volume.empty(); }
+
+    // full name is the file name + extension (but without the path)
+    void SetFullName(const wxString& fullname);

     wxString GetFullName() const;
 
     wxString GetFullName() const;
 

-    const wxArrayString &GetDirs() const        { return m_dirs; }
+    const wxArrayString& GetDirs() const        { return m_dirs; }

 
 

-    // Construct path only - possibly with the trailing separator
-    wxString GetPath( bool add_separator = FALSE, wxPathFormat format = wxPATH_NATIVE ) const;
+    // flags are combination of wxPATH_GET_XXX flags
+    wxString GetPath(int flags = 0, wxPathFormat format = wxPATH_NATIVE) const;

 
 

-    // more readable synonym
-    wxString GetPathWithSep(wxPathFormat format = wxPATH_NATIVE ) const
-        { return GetPath(TRUE /* add separator */, format); }
+    // Replace current path with this one
+    void SetPath( const wxString &path, wxPathFormat format = wxPATH_NATIVE );

 
     // Construct full path with name and ext
     wxString GetFullPath( wxPathFormat format = wxPATH_NATIVE ) const;
 
 
     // Construct full path with name and ext
     wxString GetFullPath( wxPathFormat format = wxPATH_NATIVE ) const;
 

+    // Return the short form of the path (returns identity on non-Windows platforms)
+    wxString GetShortPath() const;
+
+    // Return the long form of the path (returns identity on non-Windows platforms)
+    wxString GetLongPath() const;
+
+    // Is this a file or directory (not necessarily an existing one)
+    bool IsDir() const { return m_name.empty() && m_ext.empty(); }
+

     // various helpers
 
         // get the canonical path format for this platform
     static wxPathFormat GetFormat( wxPathFormat format = wxPATH_NATIVE );
 
     // various helpers
 
         // get the canonical path format for this platform
     static wxPathFormat GetFormat( wxPathFormat format = wxPATH_NATIVE );
 

-        // split a fullpath into path, (base) name and ext (all of the pointers
-        // can be NULL)
+        // split a fullpath into the volume, path, (base) name and extension
+        // (all of the pointers can be NULL)
+    static void SplitPath(const wxString& fullpath,
+                          wxString *volume,
+                          wxString *path,
+                          wxString *name,
+                          wxString *ext,
+                          wxPathFormat format = wxPATH_NATIVE);
+
+        // compatibility version

     static void SplitPath(const wxString& fullpath,
                           wxString *path,
                           wxString *name,
                           wxString *ext,
                           wxPathFormat format = wxPATH_NATIVE);
 
     static void SplitPath(const wxString& fullpath,
                           wxString *path,
                           wxString *name,
                           wxString *ext,
                           wxPathFormat format = wxPATH_NATIVE);
 

+
+    // deprecated methods, don't use any more
+    // --------------------------------------
+
+    wxString GetPath( bool withSep, wxPathFormat format = wxPATH_NATIVE ) const
+        { return GetPath(withSep ? wxPATH_GET_SEPARATOR : 0, format); }
+
+    wxString GetPathWithSep(wxPathFormat format = wxPATH_NATIVE ) const
+        { return GetPath(wxPATH_GET_SEPARATOR, format); }
+

 private:
 private:

+    // the drive/volume/device specification (always empty for Unix)
+    wxString        m_volume;
+

     // the path components of the file
     wxArrayString   m_dirs;
 
     // the file name and extension (empty for directories)
     wxString        m_name,
                     m_ext;
     // the path components of the file
     wxArrayString   m_dirs;
 
     // the file name and extension (empty for directories)
     wxString        m_name,
                     m_ext;

+
+    // when m_dirs is empty it may mean either that we have no path at all or
+    // that our path is '/', i.e. the root directory
+    //
+    // we use m_relative to distinguish between these two cases, it will be
+    // TRUE in the former and FALSE in the latter
+    //
+    // NB: the path is not absolute just because m_relative is FALSE, it still
+    //     needs the drive (i.e. volume) in some formats (Windows)
+    bool            m_relative;

 };
 
 #endif // _WX_FILENAME_H_
 };
 
 #endif // _WX_FILENAME_H_