implemented, tested and documented wxTextCtrl::SetMaxLength()

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

diff --git a/include/wx/filefn.h b/include/wx/filefn.h
index 3ce7a54ac2a032dc389d737f8b392d5f718c59b6..1ffa54f8369da1cb7a5167e69639535e05c0d448 100644 (file)
--- a/include/wx/filefn.h
+++ b/include/wx/filefn.h
@@ -13,39 +13,126 @@
 #define   _FILEFN_H_
 
 #ifdef __GNUG__
 #define   _FILEFN_H_
 
 #ifdef __GNUG__

-#pragma interface "filefn.h"
+    #pragma interface "filefn.h"

 #endif
 
 #endif
 

-#include <wx/list.h>
+#include "wx/list.h"
+
+#include <time.h>

 
 // ----------------------------------------------------------------------------
 // constants
 // ----------------------------------------------------------------------------
 
 // define off_t
 
 // ----------------------------------------------------------------------------
 // constants
 // ----------------------------------------------------------------------------
 
 // define off_t

-#ifndef __WXMAC__
-#include  <sys/types.h>
+#if !defined(__WXMAC__) || defined(__UNIX__)
+    #include  <sys/types.h>

 #else
 #else

-typedef long off_t;
-#endif
-
-#ifdef    _MSC_VER
-  #define   off_t       _off_t
+    typedef long off_t;

 #endif
 
 #endif
 

-#if defined(__BORLANDC__) && defined(__WIN16__)
-typedef long off_t;
+#if defined(__VISUALC__) || ( defined(__MWERKS__) && defined( __INTEL__) )
+    typedef _off_t off_t;
+#elif defined(__BORLANDC__) && defined(__WIN16__)
+    typedef long off_t;
+#elif defined(__SC__)
+    typedef long off_t;
+#elif defined(__MWERKS__) && !defined(__INTEL__)
+    typedef long off_t;

 #endif
 
 #endif
 

+#if defined(__VISAGECPP__) && __IBMCPP__ >= 400
+//
+// VisualAge C++ V4.0 cannot have any external linkage const decs
+// in headers included by more than one primary source
+//
+extern const off_t wxInvalidOffset;
+#else

 const off_t wxInvalidOffset = (off_t)-1;
 const off_t wxInvalidOffset = (off_t)-1;

+#endif

 
 

-typedef enum {
+enum wxSeekMode
+{

   wxFromStart,
   wxFromCurrent,
   wxFromEnd
   wxFromStart,
   wxFromCurrent,
   wxFromEnd

-} wxSeekMode;
+};
+
+WXDLLEXPORT_DATA(extern const wxChar*) wxEmptyString;
+
+// ----------------------------------------------------------------------------
+// declare our versions of low level file functions: some compilers prepend
+// underscores to the usual names, some also have Unicode versions of them
+// ----------------------------------------------------------------------------

 
 

-WXDLLEXPORT_DATA(extern const char*) wxEmptyString;
+// Microsoft compiler loves underscores, feed them to it
+#if defined( __VISUALC__ ) || wxCHECK_W32API_VERSION( 0, 5 )
+    // functions
+    #define   wxClose      _close
+    #define   wxRead       _read
+    #define   wxWrite      _write
+    #define   wxLseek      _lseek
+    #define   wxFsync      _commit
+    #define   wxEof        _eof
+
+    #define   wxTell       _tell
+
+    #if wxUSE_UNICODE
+        #define   wxOpen       _wopen
+        #define   wxAccess     _waccess
+
+        #define   wxMkDir      _wmkdir
+        #define   wxRmDir      _wrmdir
+
+        #define   wxStat       _wstat
+    #else // !wxUSE_UNICODE
+        #define   wxOpen       _open
+        #define   wxAccess     _access
+
+        #define   wxMkDir      _mkdir
+        #define   wxRmDir      _rmdir
+
+        #define   wxStat       _stat
+    #endif
+
+    // types
+    #define   wxStructStat struct _stat
+
+    // constants (unless already defined by the user code)
+    #ifndef O_RDONLY
+        #define   O_RDONLY    _O_RDONLY
+        #define   O_WRONLY    _O_WRONLY
+        #define   O_RDWR      _O_RDWR
+        #define   O_EXCL      _O_EXCL
+        #define   O_CREAT     _O_CREAT
+        #define   O_BINARY    _O_BINARY
+
+        #define   S_IFMT      _S_IFMT
+        #define   S_IFDIR     _S_IFDIR
+        #define   S_IFREG     _S_IFREG
+    #endif // O_RDONLY
+#else
+    // functions
+    #define   wxOpen       open
+    #define   wxClose      close
+    #define   wxRead       read
+    #define   wxWrite      write
+    #define   wxLseek      lseek
+    #define   wxFsync      commit
+    #define   wxAccess     access
+    #define   wxEof        eof
+
+    #define   wxMkDir      mkdir
+    #define   wxRmDir      rmdir
+
+    #define   wxTell(fd)   lseek(fd, 0, SEEK_CUR)
+
+    #define   wxStat       stat
+
+    // types
+    #define   wxStructStat struct stat
+
+#endif  // VC++

 
 // ----------------------------------------------------------------------------
 // functions
 
 // ----------------------------------------------------------------------------
 // functions


@@ -54,7 +141,7 @@ WXDLLEXPORT bool wxFileExists(const wxString& filename);
 #define FileExists wxFileExists
 
 // does the path exist? (may have or not '/' or '\\' at the end)
 #define FileExists wxFileExists
 
 // does the path exist? (may have or not '/' or '\\' at the end)

-WXDLLEXPORT bool wxPathExists(const char *pszPathName);
+WXDLLEXPORT bool wxPathExists(const wxChar *pszPathName);

 
 #define wxDirExists wxPathExists
 #define DirExists wxDirExists
 
 #define wxDirExists wxPathExists
 #define DirExists wxDirExists


@@ -63,57 +150,63 @@ WXDLLEXPORT bool wxIsAbsolutePath(const wxString& filename);
 #define IsAbsolutePath wxIsAbsolutePath
 
 // Get filename
 #define IsAbsolutePath wxIsAbsolutePath
 
 // Get filename

-WXDLLEXPORT char* wxFileNameFromPath(char *path);
+WXDLLEXPORT wxChar* wxFileNameFromPath(wxChar *path);

 WXDLLEXPORT wxString wxFileNameFromPath(const wxString& path);
 #define FileNameFromPath wxFileNameFromPath
 
 // Get directory
 WXDLLEXPORT wxString wxFileNameFromPath(const wxString& path);
 #define FileNameFromPath wxFileNameFromPath
 
 // Get directory

-WXDLLEXPORT char* wxPathOnly(char *path);

 WXDLLEXPORT wxString wxPathOnly(const wxString& path);
 #define PathOnly wxPathOnly
 
 // wxString version
 WXDLLEXPORT wxString wxRealPath(const wxString& path);
 
 WXDLLEXPORT wxString wxPathOnly(const wxString& path);
 #define PathOnly wxPathOnly
 
 // wxString version
 WXDLLEXPORT wxString wxRealPath(const wxString& path);
 

-WXDLLEXPORT void wxDos2UnixFilename(char *s);
+WXDLLEXPORT void wxDos2UnixFilename(wxChar *s);

 #define Dos2UnixFilename wxDos2UnixFilename
 
 #define Dos2UnixFilename wxDos2UnixFilename
 

-WXDLLEXPORT void wxUnix2DosFilename(char *s);
+WXDLLEXPORT void wxUnix2DosFilename(wxChar *s);

 #define Unix2DosFilename wxUnix2DosFilename
 
 #define Unix2DosFilename wxUnix2DosFilename
 

-#ifdef __WXMAC__
-  WXDLLEXPORT void wxMacPathToFSSpec( const char *path , FSSpec *spec ) ;
-  WXDLLEXPORT void wxMac2UnixFilename(char *s);
-  WXDLLEXPORT void wxUnix2MacFilename(char *s);
+#if defined(__WXMAC__) && !defined(__UNIX__)
+  WXDLLEXPORT wxString wxMacFSSpec2MacFilename( const FSSpec *spec ) ;
+  WXDLLEXPORT void wxMacFilename2FSSpec( const char *path , FSSpec *spec ) ;
+  WXDLLEXPORT wxString wxMacFSSpec2UnixFilename( const FSSpec *spec ) ;
+  WXDLLEXPORT void wxUnixFilename2FSSpec( const char *path , FSSpec *spec ) ;
+  WXDLLEXPORT wxString wxMac2UnixFilename( const char *s) ;
+  WXDLLEXPORT wxString wxUnix2MacFilename( const char *s);

 #endif
 #endif

+

 // Strip the extension, in situ
 // Strip the extension, in situ

-WXDLLEXPORT void wxStripExtension(char *buffer);
+WXDLLEXPORT void wxStripExtension(wxChar *buffer);

 WXDLLEXPORT void wxStripExtension(wxString& buffer);
 
 // Get a temporary filename, opening and closing the file.
 WXDLLEXPORT void wxStripExtension(wxString& buffer);
 
 // Get a temporary filename, opening and closing the file.

-WXDLLEXPORT char* wxGetTempFileName(const wxString& prefix, char *buf = (char *) NULL);
+WXDLLEXPORT wxChar* wxGetTempFileName(const wxString& prefix, wxChar *buf = (wxChar *) NULL);
+WXDLLEXPORT bool wxGetTempFileName(const wxString& prefix, wxString& buf);

 
 // Expand file name (~/ and ${OPENWINHOME}/ stuff)
 
 // Expand file name (~/ and ${OPENWINHOME}/ stuff)

-WXDLLEXPORT char* wxExpandPath(char *dest, const char *path);
+WXDLLEXPORT wxChar* wxExpandPath(wxChar *dest, const wxChar *path);
+WXDLLEXPORT bool wxExpandPath(wxString& dest, const wxChar *path);

 
 // Contract w.r.t environment (</usr/openwin/lib, OPENWHOME> -> ${OPENWINHOME}/lib)
 // and make (if under the home tree) relative to home
 // [caller must copy-- volatile]
 
 // Contract w.r.t environment (</usr/openwin/lib, OPENWHOME> -> ${OPENWINHOME}/lib)
 // and make (if under the home tree) relative to home
 // [caller must copy-- volatile]

-WXDLLEXPORT char* wxContractPath (const wxString& filename,
-   const wxString& envname = wxEmptyString, const wxString& user = wxEmptyString);
+WXDLLEXPORT wxChar* wxContractPath(const wxString& filename,
+                                  const wxString& envname = wxEmptyString,
+                                  const wxString& user = wxEmptyString);

 
 // Destructive removal of /./ and /../ stuff
 
 // Destructive removal of /./ and /../ stuff

-WXDLLEXPORT char* wxRealPath(char *path);
+WXDLLEXPORT wxChar* wxRealPath(wxChar *path);

 
 // Allocate a copy of the full absolute path
 
 // Allocate a copy of the full absolute path

-WXDLLEXPORT char* wxCopyAbsolutePath(const wxString& path);
+WXDLLEXPORT wxChar* wxCopyAbsolutePath(const wxString& path);

 
 // Get first file name matching given wild card.
 // Flags are reserved for future use.
 #define wxFILE  1
 #define wxDIR   2
 
 // Get first file name matching given wild card.
 // Flags are reserved for future use.
 #define wxFILE  1
 #define wxDIR   2

-WXDLLEXPORT char* wxFindFirstFile(const char *spec, int flags = wxFILE);
-WXDLLEXPORT char* wxFindNextFile(void);
+WXDLLEXPORT wxString wxFindFirstFile(const wxChar *spec, int flags = wxFILE);
+WXDLLEXPORT wxString wxFindNextFile();

 
 // Does the pattern contain wildcards?
 WXDLLEXPORT bool wxIsWild(const wxString& pattern);
 
 // Does the pattern contain wildcards?
 WXDLLEXPORT bool wxIsWild(const wxString& pattern);


@@ -127,7 +220,8 @@ WXDLLEXPORT bool wxMatchWild(const wxString& pattern,  const wxString& text, boo
 WXDLLEXPORT bool wxConcatFiles(const wxString& file1, const wxString& file2, const wxString& file3);
 
 // Copy file1 to file2
 WXDLLEXPORT bool wxConcatFiles(const wxString& file1, const wxString& file2, const wxString& file3);
 
 // Copy file1 to file2

-WXDLLEXPORT bool wxCopyFile(const wxString& file1, const wxString& file2);
+WXDLLEXPORT bool wxCopyFile(const wxString& file1, const wxString& file2,
+                            bool overwrite = TRUE);

 
 // Remove file
 WXDLLEXPORT bool wxRemoveFile(const wxString& file);
 
 // Remove file
 WXDLLEXPORT bool wxRemoveFile(const wxString& file);


@@ -140,61 +234,78 @@ WXDLLEXPORT bool wxRenameFile(const wxString& file1, const wxString& file2);
 // copies into buf.
 // IMPORTANT NOTE getcwd is know not to work under some releases
 // of Win32s 1.3, according to MS release notes!
 // copies into buf.
 // IMPORTANT NOTE getcwd is know not to work under some releases
 // of Win32s 1.3, according to MS release notes!

-WXDLLEXPORT char* wxGetWorkingDirectory(char *buf = (char *) NULL, int sz = 1000);
+WXDLLEXPORT wxChar* wxGetWorkingDirectory(wxChar *buf = (wxChar *) NULL, int sz = 1000);
+// new and preferred version of wxGetWorkingDirectory
+// NB: can't have the same name because of overloading ambiguity
+WXDLLEXPORT wxString wxGetCwd();

 
 // Set working directory
 WXDLLEXPORT bool wxSetWorkingDirectory(const wxString& d);
 
 // Make directory
 
 // Set working directory
 WXDLLEXPORT bool wxSetWorkingDirectory(const wxString& d);
 
 // Make directory

-WXDLLEXPORT bool wxMkdir(const wxString& dir);
+WXDLLEXPORT bool wxMkdir(const wxString& dir, int perm = 0777);

 
 // Remove directory. Flags reserved for future use.
 WXDLLEXPORT bool wxRmdir(const wxString& dir, int flags = 0);
 
 // separators in file names
 
 // Remove directory. Flags reserved for future use.
 WXDLLEXPORT bool wxRmdir(const wxString& dir, int flags = 0);
 
 // separators in file names

-#define FILE_SEP_EXT        '.'
-#define FILE_SEP_DSK        ':'
-#define FILE_SEP_PATH_DOS   '\\'
-#define FILE_SEP_PATH_UNIX  '/'
+#define wxFILE_SEP_EXT        wxT('.')
+#define wxFILE_SEP_DSK        wxT(':')
+#define wxFILE_SEP_PATH_DOS   wxT('\\')
+#define wxFILE_SEP_PATH_UNIX  wxT('/')
+#define wxFILE_SEP_PATH_MAC   wxT(':')

 
 // separator in the path list (as in PATH environment variable)
 
 // separator in the path list (as in PATH environment variable)

+// there is no PATH variable in Classic Mac OS so just use the
+// semicolon (it must be different from the file name separator)

 // NB: these are strings and not characters on purpose!
 // NB: these are strings and not characters on purpose!

-#define PATH_SEP_DOS        ";"
-#define PATH_SEP_UNIX       ":"
+#define wxPATH_SEP_DOS        wxT(";")
+#define wxPATH_SEP_UNIX       wxT(":")
+#define wxPATH_SEP_MAC        wxT(";")

 
 // platform independent versions
 #ifdef  __UNIX__
 
 // platform independent versions
 #ifdef  __UNIX__

-  #define FILE_SEP_PATH     FILE_SEP_PATH_UNIX
-  #define PATH_SEP          PATH_SEP_UNIX
-#else   // Windows
-  #define FILE_SEP_PATH     FILE_SEP_PATH_DOS
-  #define PATH_SEP          PATH_SEP_DOS
+  #define wxFILE_SEP_PATH     wxFILE_SEP_PATH_UNIX
+  #define wxPATH_SEP          wxPATH_SEP_UNIX
+#elif defined(__MAC__)
+  #define wxFILE_SEP_PATH     wxFILE_SEP_PATH_MAC
+  #define wxPATH_SEP          wxPATH_SEP_DOS
+#else   // Windows and OS/2
+  #define wxFILE_SEP_PATH     wxFILE_SEP_PATH_DOS
+  #define wxPATH_SEP          wxPATH_SEP_DOS

 #endif  // Unix/Windows
 
 // this is useful for wxString::IsSameAs(): to compare two file names use
 // filename1.IsSameAs(filename2, wxARE_FILENAMES_CASE_SENSITIVE)
 #ifdef  __UNIX__
   #define wxARE_FILENAMES_CASE_SENSITIVE  TRUE
 #endif  // Unix/Windows
 
 // this is useful for wxString::IsSameAs(): to compare two file names use
 // filename1.IsSameAs(filename2, wxARE_FILENAMES_CASE_SENSITIVE)
 #ifdef  __UNIX__
   #define wxARE_FILENAMES_CASE_SENSITIVE  TRUE

-#else   // Windows
+#else   // Windows and OS/2

   #define wxARE_FILENAMES_CASE_SENSITIVE  FALSE
 #endif  // Unix/Windows
 
 // is the char a path separator?
   #define wxARE_FILENAMES_CASE_SENSITIVE  FALSE
 #endif  // Unix/Windows
 
 // is the char a path separator?

-inline bool wxIsPathSeparator(char c)
-  { return c == FILE_SEP_PATH_DOS || c == FILE_SEP_PATH_UNIX; }
+inline bool wxIsPathSeparator(wxChar c)
+  { return c == wxFILE_SEP_PATH_DOS || c == wxFILE_SEP_PATH_UNIX; }

 
 // does the string ends with path separator?
 
 // does the string ends with path separator?

-WXDLLEXPORT bool wxEndsWithPathSeparator(const char *pszFileName);
+WXDLLEXPORT bool wxEndsWithPathSeparator(const wxChar *pszFileName);

 
 // split the full path into path (including drive for DOS), name and extension
 // (understands both '/' and '\\')
 
 // split the full path into path (including drive for DOS), name and extension
 // (understands both '/' and '\\')

-WXDLLEXPORT void wxSplitPath(const char *pszFileName,
+WXDLLEXPORT void wxSplitPath(const wxChar *pszFileName,

                              wxString *pstrPath,
                              wxString *pstrName,
                              wxString *pstrExt);
 
 // find a file in a list of directories, returns false if not found
                              wxString *pstrPath,
                              wxString *pstrName,
                              wxString *pstrExt);
 
 // find a file in a list of directories, returns false if not found

-WXDLLEXPORT bool wxFindFileInPath(wxString *pStr, const char *pszPath, const char *pszFile);
+WXDLLEXPORT bool wxFindFileInPath(wxString *pStr, const wxChar *pszPath, const wxChar *pszFile);
+
+// Get the OS directory if appropriate (such as the Windows directory).
+// On non-Windows platform, probably just return the empty string.
+WXDLLEXPORT wxString wxGetOSDirectory();
+
+// Get file modification time
+WXDLLEXPORT time_t wxFileModificationTime(const wxString& filename);

 
 // ----------------------------------------------------------------------------
 // classes
 
 // ----------------------------------------------------------------------------
 // classes


@@ -204,15 +315,20 @@ WXDLLEXPORT bool wxFindFileInPath(wxString *pStr, const char *pszPath, const cha
 class WXDLLEXPORT wxPathList : public wxStringList
 {
 public:
 class WXDLLEXPORT wxPathList : public wxStringList
 {
 public:

-    void AddEnvList(const wxString& envVariable);    // Adds all paths in environment variable
+    // Adds all paths in environment variable
+    void AddEnvList(const wxString& envVariable);
+

     void Add(const wxString& path);
     void Add(const wxString& path);

-    wxString FindValidPath(const wxString& filename);   // Find the first full path
-    // for which the file exists
-    wxString FindAbsoluteValidPath(const wxString& filename);   // Find the first full path
-    // for which the file exists; ensure it's an absolute
-    // path that gets returned.
-    void EnsureFileAccessible(const wxString& path); // Given full path and filename,
-    // add path to list
+    // Avoid compiler warning
+    wxNode *Add(const wxChar *s) { return wxStringList::Add(s); }
+    // Find the first full path for which the file exists
+    wxString FindValidPath(const wxString& filename);
+    // Find the first full path for which the file exists; ensure it's an
+    // absolute path that gets returned.
+    wxString FindAbsoluteValidPath(const wxString& filename);
+    // Given full path and filename, add path to list
+    void EnsureFileAccessible(const wxString& path);
+    // Returns TRUE if the path is in the list

     bool Member(const wxString& path);
 
 private:
     bool Member(const wxString& path);
 
 private:


@@ -221,4 +337,3 @@ private:
 
 #endif
   // _WX_FILEFN_H_
 
 #endif
   // _WX_FILEFN_H_

-