include/wx/filefn.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        filefn.h
   3 // Purpose:     File- and directory-related functions
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     29/01/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 1998 Julian Smart
   9 // Licence:     wxWindows license
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef   _FILEFN_H_
  13 #define   _FILEFN_H_
  14
  15 #ifdef __GNUG__
  16     #pragma interface "filefn.h"
  17 #endif
  18
  19 #include <wx/list.h>
  20
  21 // ----------------------------------------------------------------------------
  22 // constants
  23 // ----------------------------------------------------------------------------
  24
  25 // define off_t
  26 #ifndef __WXMAC__
  27     #include  <sys/types.h>
  28 #else
  29     typedef long off_t;
  30 #endif
  31
  32 #if defined(__VISUALC__) || ( defined(__MWERKS__) && defined( __INTEL__) )
  33     typedef _off_t off_t;
  34 #elif defined(__BORLANDC__) && defined(__WIN16__)
  35     typedef long off_t;
  36 #elif defined(__SC__)
  37     typedef long off_t;
  38 #elif defined(__MWERKS__) && !defined(__INTEL__)
  39     typedef long off_t;
  40 #endif
  41
  42 const off_t wxInvalidOffset = (off_t)-1;
  43
  44 enum wxSeekMode
  45 {
  46   wxFromStart,
  47   wxFromCurrent,
  48   wxFromEnd
  49 };
  50
  51 WXDLLEXPORT_DATA(extern const wxChar*) wxEmptyString;
  52
  53 // ----------------------------------------------------------------------------
  54 // functions
  55 // ----------------------------------------------------------------------------
  56 WXDLLEXPORT bool wxFileExists(const wxString& filename);
  57 #define FileExists wxFileExists
  58
  59 // does the path exist? (may have or not '/' or '\\' at the end)
  60 WXDLLEXPORT bool wxPathExists(const wxChar *pszPathName);
  61
  62 #define wxDirExists wxPathExists
  63 #define DirExists wxDirExists
  64
  65 WXDLLEXPORT bool wxIsAbsolutePath(const wxString& filename);
  66 #define IsAbsolutePath wxIsAbsolutePath
  67
  68 // Get filename
  69 WXDLLEXPORT wxChar* wxFileNameFromPath(wxChar *path);
  70 WXDLLEXPORT wxString wxFileNameFromPath(const wxString& path);
  71 #define FileNameFromPath wxFileNameFromPath
  72
  73 // Get directory
  74 WXDLLEXPORT wxString wxPathOnly(const wxString& path);
  75 #define PathOnly wxPathOnly
  76
  77 // wxString version
  78 WXDLLEXPORT wxString wxRealPath(const wxString& path);
  79
  80 WXDLLEXPORT void wxDos2UnixFilename(wxChar *s);
  81 #define Dos2UnixFilename wxDos2UnixFilename
  82
  83 WXDLLEXPORT void wxUnix2DosFilename(wxChar *s);
  84 #define Unix2DosFilename wxUnix2DosFilename
  85
  86 #ifdef __WXMAC__
  87   WXDLLEXPORT void wxMacPathToFSSpec( const wxChar *path , FSSpec *spec ) ;
  88   WXDLLEXPORT void wxMac2UnixFilename(wxChar *s);
  89   WXDLLEXPORT void wxUnix2MacFilename(wxChar *s);
  90 #endif
  91
  92 // Strip the extension, in situ
  93 WXDLLEXPORT void wxStripExtension(wxChar *buffer);
  94 WXDLLEXPORT void wxStripExtension(wxString& buffer);
  95
  96 // Get a temporary filename, opening and closing the file.
  97 WXDLLEXPORT wxChar* wxGetTempFileName(const wxString& prefix, wxChar *buf = (wxChar *) NULL);
  98
  99 // Expand file name (~/ and ${OPENWINHOME}/ stuff)
 100 WXDLLEXPORT wxChar* wxExpandPath(wxChar *dest, const wxChar *path);
 101
 102 // Contract w.r.t environment (</usr/openwin/lib, OPENWHOME> -> ${OPENWINHOME}/lib)
 103 // and make (if under the home tree) relative to home
 104 // [caller must copy-- volatile]
 105 WXDLLEXPORT wxChar* wxContractPath(const wxString& filename,
 106                                    const wxString& envname = wxEmptyString,
 107                                    const wxString& user = wxEmptyString);
 108
 109 // Destructive removal of /./ and /../ stuff
 110 WXDLLEXPORT wxChar* wxRealPath(wxChar *path);
 111
 112 // Allocate a copy of the full absolute path
 113 WXDLLEXPORT wxChar* wxCopyAbsolutePath(const wxString& path);
 114
 115 // Get first file name matching given wild card.
 116 // Flags are reserved for future use.
 117 #define wxFILE  1
 118 #define wxDIR   2
 119 WXDLLEXPORT wxString wxFindFirstFile(const wxChar *spec, int flags = wxFILE);
 120 WXDLLEXPORT wxString wxFindNextFile();
 121
 122 // Does the pattern contain wildcards?
 123 WXDLLEXPORT bool wxIsWild(const wxString& pattern);
 124
 125 // Does the pattern match the text (usually a filename)?
 126 // If dot_special is TRUE, doesn't match * against . (eliminating
 127 // `hidden' dot files)
 128 WXDLLEXPORT bool wxMatchWild(const wxString& pattern,  const wxString& text, bool dot_special = TRUE);
 129
 130 // Concatenate two files to form third
 131 WXDLLEXPORT bool wxConcatFiles(const wxString& file1, const wxString& file2, const wxString& file3);
 132
 133 // Copy file1 to file2
 134 WXDLLEXPORT bool wxCopyFile(const wxString& file1, const wxString& file2);
 135
 136 // Remove file
 137 WXDLLEXPORT bool wxRemoveFile(const wxString& file);
 138
 139 // Rename file
 140 WXDLLEXPORT bool wxRenameFile(const wxString& file1, const wxString& file2);
 141
 142 // Get current working directory.
 143 // If buf is NULL, allocates space using new, else
 144 // copies into buf.
 145 // IMPORTANT NOTE getcwd is know not to work under some releases
 146 // of Win32s 1.3, according to MS release notes!
 147 WXDLLEXPORT wxChar* wxGetWorkingDirectory(wxChar *buf = (wxChar *) NULL, int sz = 1000);
 148 // new and preferred version of wxGetWorkingDirectory
 149 // NB: can't have the same name because of overloading ambiguity
 150 WXDLLEXPORT wxString wxGetCwd();
 151
 152 // Set working directory
 153 WXDLLEXPORT bool wxSetWorkingDirectory(const wxString& d);
 154
 155 // Make directory
 156 WXDLLEXPORT bool wxMkdir(const wxString& dir, int perm = 0777);
 157
 158 // Remove directory. Flags reserved for future use.
 159 WXDLLEXPORT bool wxRmdir(const wxString& dir, int flags = 0);
 160
 161 // separators in file names
 162 #define wxFILE_SEP_EXT        _T('.')
 163 #define wxFILE_SEP_DSK        _T(':')
 164 #define wxFILE_SEP_PATH_DOS   _T('\\')
 165 #define wxFILE_SEP_PATH_UNIX  _T('/')
 166
 167 // separator in the path list (as in PATH environment variable)
 168 // NB: these are strings and not characters on purpose!
 169 #define wxPATH_SEP_DOS        _T(";")
 170 #define wxPATH_SEP_UNIX       _T(":")
 171
 172 // platform independent versions
 173 #ifdef  __UNIX__
 174   #define wxFILE_SEP_PATH     wxFILE_SEP_PATH_UNIX
 175   #define wxPATH_SEP          wxPATH_SEP_UNIX
 176 #else   // Windows
 177   #define wxFILE_SEP_PATH     wxFILE_SEP_PATH_DOS
 178   #define wxPATH_SEP          wxPATH_SEP_DOS
 179 #endif  // Unix/Windows
 180
 181 // this is useful for wxString::IsSameAs(): to compare two file names use
 182 // filename1.IsSameAs(filename2, wxARE_FILENAMES_CASE_SENSITIVE)
 183 #ifdef  __UNIX__
 184   #define wxARE_FILENAMES_CASE_SENSITIVE  TRUE
 185 #else   // Windows
 186   #define wxARE_FILENAMES_CASE_SENSITIVE  FALSE
 187 #endif  // Unix/Windows
 188
 189 // is the char a path separator?
 190 inline bool wxIsPathSeparator(wxChar c)
 191   { return c == wxFILE_SEP_PATH_DOS || c == wxFILE_SEP_PATH_UNIX; }
 192
 193 // does the string ends with path separator?
 194 WXDLLEXPORT bool wxEndsWithPathSeparator(const wxChar *pszFileName);
 195
 196 // split the full path into path (including drive for DOS), name and extension
 197 // (understands both '/' and '\\')
 198 WXDLLEXPORT void wxSplitPath(const wxChar *pszFileName,
 199                              wxString *pstrPath,
 200                              wxString *pstrName,
 201                              wxString *pstrExt);
 202
 203 // find a file in a list of directories, returns false if not found
 204 WXDLLEXPORT bool wxFindFileInPath(wxString *pStr, const wxChar *pszPath, const wxChar *pszFile);
 205
 206 // Get the OS directory if appropriate (such as the Windows directory).
 207 // On non-Windows platform, probably just return the empty string.
 208 WXDLLEXPORT wxString wxGetOSDirectory();
 209
 210 // ----------------------------------------------------------------------------
 211 // classes
 212 // ----------------------------------------------------------------------------
 213
 214 // Path searching
 215 class WXDLLEXPORT wxPathList : public wxStringList
 216 {
 217 public:
 218     // Adds all paths in environment variable
 219     void AddEnvList(const wxString& envVariable);
 220
 221     void Add(const wxString& path);
 222     // Avoid compiler warning
 223     wxNode *Add(const wxChar *s) { return wxStringList::Add(s); }
 224     // Find the first full path for which the file exists
 225     wxString FindValidPath(const wxString& filename);
 226     // Find the first full path for which the file exists; ensure it's an
 227     // absolute path that gets returned.
 228     wxString FindAbsoluteValidPath(const wxString& filename);
 229     // Given full path and filename, add path to list
 230     void EnsureFileAccessible(const wxString& path);
 231     // Returns TRUE if the path is in the list
 232     bool Member(const wxString& path);
 233
 234 private:
 235     DECLARE_DYNAMIC_CLASS(wxPathList)
 236 };
 237
 238 #endif
 239   // _WX_FILEFN_H_