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   __FILEFNH__
  13 #define   __FILEFNH__
  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 #include  <sys/types.h>
  27
  28 #ifdef    _MSC_VER
  29   #define   off_t       _off_t
  30 #endif
  31
  32 const off_t wxInvalidOffset = (off_t)-1;
  33
  34 typedef enum {
  35   wxFromStart,
  36   wxFromCurrent,
  37   wxFromEnd
  38 } wxSeekMode;
  39
  40 // ----------------------------------------------------------------------------
  41 // functions
  42 // ----------------------------------------------------------------------------
  43 bool WXDLLEXPORT wxFileExists(const wxString& filename);
  44 #define FileExists wxFileExists
  45
  46 // does the path exist? (may have or not '/' or '\\' at the end)
  47 bool WXDLLEXPORT wxPathExists(const char *pszPathName);
  48
  49 #define wxDirExists wxPathExists
  50 #define DirExists wxDirExists
  51
  52 bool WXDLLEXPORT wxIsAbsolutePath(const wxString& filename);
  53 #define IsAbsolutePath wxIsAbsolutePath
  54
  55 // Get filename
  56 char* WXDLLEXPORT wxFileNameFromPath(char *path);
  57 wxString WXDLLEXPORT wxFileNameFromPath(const wxString& path);
  58 #define FileNameFromPath wxFileNameFromPath
  59
  60 // Get directory
  61 char* WXDLLEXPORT wxPathOnly(char *path);
  62 wxString WXDLLEXPORT wxPathOnly(const wxString& path);
  63 #define PathOnly wxPathOnly
  64
  65 // wxString version
  66 wxString WXDLLEXPORT wxRealPath(const wxString& path);
  67
  68 void WXDLLEXPORT wxDos2UnixFilename(char *s);
  69 #define Dos2UnixFilename wxDos2UnixFilename
  70
  71 void WXDLLEXPORT wxUnix2DosFilename(char *s);
  72 #define Unix2DosFilename wxUnix2DosFilename
  73
  74 // Strip the extension, in situ
  75 void WXDLLEXPORT wxStripExtension(char *buffer);
  76
  77 // Get a temporary filename, opening and closing the file.
  78 char* WXDLLEXPORT wxGetTempFileName(const wxString& prefix, char *buf = NULL);
  79
  80 // Expand file name (~/ and ${OPENWINHOME}/ stuff)
  81 char* WXDLLEXPORT wxExpandPath(char *dest, const char *path);
  82
  83 // Contract w.r.t environment (</usr/openwin/lib, OPENWHOME> -> ${OPENWINHOME}/lib)
  84 // and make (if under the home tree) relative to home
  85 // [caller must copy-- volatile]
  86 char* WXDLLEXPORT wxContractPath (const wxString& filename,
  87    const wxString& envname = "", const wxString& user = "");
  88
  89 // Destructive removal of /./ and /../ stuff
  90 char* WXDLLEXPORT wxRealPath(char *path);
  91
  92 // Allocate a copy of the full absolute path
  93 char* WXDLLEXPORT wxCopyAbsolutePath(const wxString& path);
  94
  95 // Get first file name matching given wild card.
  96 // Flags are reserved for future use.
  97 #define wxFILE  1
  98 #define wxDIR   2
  99 char* WXDLLEXPORT wxFindFirstFile(const char *spec, int flags = wxFILE);
 100 char* WXDLLEXPORT wxFindNextFile(void);
 101
 102 // Does the pattern contain wildcards?
 103 bool WXDLLEXPORT wxIsWild(const wxString& pattern);
 104
 105 // Does the pattern match the text (usually a filename)?
 106 // If dot_special is TRUE, doesn't match * against . (eliminating
 107 // `hidden' dot files)
 108 bool WXDLLEXPORT wxMatchWild(const wxString& pattern,  const wxString& text, bool dot_special = TRUE);
 109
 110 // Concatenate two files to form third
 111 bool WXDLLEXPORT wxConcatFiles(const wxString& file1, const wxString& file2, const wxString& file3);
 112
 113 // Copy file1 to file2
 114 bool WXDLLEXPORT wxCopyFile(const wxString& file1, const wxString& file2);
 115
 116 // Remove file
 117 bool WXDLLEXPORT wxRemoveFile(const wxString& file);
 118
 119 // Rename file
 120 bool WXDLLEXPORT wxRenameFile(const wxString& file1, const wxString& file2);
 121
 122 // Get current working directory.
 123 // If buf is NULL, allocates space using new, else
 124 // copies into buf.
 125 // IMPORTANT NOTE getcwd is know not to work under some releases
 126 // of Win32s 1.3, according to MS release notes!
 127 char* WXDLLEXPORT wxGetWorkingDirectory(char *buf = NULL, int sz = 1000);
 128
 129 // Set working directory
 130 bool WXDLLEXPORT wxSetWorkingDirectory(const wxString& d);
 131
 132 // Make directory
 133 bool WXDLLEXPORT wxMkdir(const wxString& dir);
 134
 135 // Remove directory. Flags reserved for future use.
 136 bool WXDLLEXPORT wxRmdir(const wxString& dir, int flags = 0);
 137
 138 // separators in file names
 139 #define FILE_SEP_EXT        '.'
 140 #define FILE_SEP_DSK        ':'
 141 #define FILE_SEP_PATH_DOS   '\\'
 142 #define FILE_SEP_PATH_UNIX  '/'
 143
 144 // separator in the path list (as in PATH environment variable)
 145 // NB: these are strings and not characters on purpose!
 146 #define PATH_SEP_DOS        ";"
 147 #define PATH_SEP_UNIX       ":"
 148
 149 // platform independent versions
 150 #ifdef  __UNIX__
 151   #define FILE_SEP_PATH     FILE_SEP_PATH_UNIX
 152   #define PATH_SEP          PATH_SEP_UNIX
 153 #else   // Windows
 154   #define FILE_SEP_PATH     FILE_SEP_PATH_DOS
 155   #define PATH_SEP          PATH_SEP_DOS
 156 #endif  // Unix/Windows
 157
 158 // this is useful for wxString::IsSameAs(): to compare two file names use
 159 // filename1.IsSameAs(filename2, wxARE_FILENAMES_CASE_SENSITIVE)
 160 #ifdef  __UNIX__
 161   #define wxARE_FILENAMES_CASE_SENSITIVE  TRUE
 162 #else   // Windows
 163   #define wxARE_FILENAMES_CASE_SENSITIVE  FALSE
 164 #endif  // Unix/Windows
 165
 166 // is the char a path separator?
 167 inline bool wxIsPathSeparator(char c)
 168   { return c == FILE_SEP_PATH_DOS || c == FILE_SEP_PATH_UNIX; }
 169
 170 // does the string ends with path separator?
 171 bool WXDLLEXPORT wxEndsWithPathSeparator(const char *pszFileName);
 172
 173 // split the full path into path (including drive for DOS), name and extension
 174 // (understands both '/' and '\\')
 175 void WXDLLEXPORT wxSplitPath(const char *pszFileName,
 176                              wxString *pstrPath,
 177                              wxString *pstrName,
 178                              wxString *pstrExt);
 179
 180 // find a file in a list of directories, returns false if not found
 181 bool WXDLLEXPORT wxFindFileInPath(wxString *pStr, const char *pszPath, const char *pszFile);
 182
 183 // ----------------------------------------------------------------------------
 184 // classes
 185 // ----------------------------------------------------------------------------
 186
 187 // Path searching
 188 class WXDLLEXPORT wxPathList: public wxStringList
 189 {
 190   DECLARE_DYNAMIC_CLASS(wxPathList)
 191
 192   public:
 193   void AddEnvList(const wxString& envVariable);    // Adds all paths in environment variable
 194   void Add(const wxString& path);
 195   wxString FindValidPath(const wxString& filename);   // Find the first full path
 196                                          // for which the file exists
 197   wxString FindAbsoluteValidPath(const wxString& filename);   // Find the first full path
 198                                          // for which the file exists; ensure it's an absolute
 199                                          // path that gets returned.
 200   void EnsureFileAccessible(const wxString& path); // Given full path and filename,
 201                                          // add path to list
 202   bool Member(const wxString& path);
 203 };
 204
 205 #endif
 206   // __FILEFNH__
 207