/Externals/wxWidgets/src/common/filefn.cpp
C++ | 2108 lines | 1696 code | 182 blank | 230 comment | 278 complexity | 14bf6f59631b1b89bce7da5568d815b2 MD5 | raw file
- /////////////////////////////////////////////////////////////////////////////
- // Name: src/common/filefn.cpp
- // Purpose: File- and directory-related functions
- // Author: Julian Smart
- // Modified by:
- // Created: 29/01/98
- // RCS-ID: $Id: filefn.cpp 58220 2009-01-19 11:40:24Z VZ $
- // Copyright: (c) 1998 Julian Smart
- // Licence: wxWindows licence
- /////////////////////////////////////////////////////////////////////////////
- // ============================================================================
- // declarations
- // ============================================================================
- // ----------------------------------------------------------------------------
- // headers
- // ----------------------------------------------------------------------------
- // For compilers that support precompilation, includes "wx.h".
- #include "wx/wxprec.h"
- #ifdef __BORLANDC__
- #pragma hdrstop
- #endif
- #include "wx/filefn.h"
- #ifndef WX_PRECOMP
- #include "wx/intl.h"
- #include "wx/log.h"
- #include "wx/utils.h"
- #endif
- #include "wx/file.h"
- #include "wx/filename.h"
- #include "wx/dir.h"
- #include "wx/tokenzr.h"
- // there are just too many of those...
- #ifdef __VISUALC__
- #pragma warning(disable:4706) // assignment within conditional expression
- #endif // VC++
- #include <ctype.h>
- #include <stdio.h>
- #include <stdlib.h>
- #include <string.h>
- #if !wxONLY_WATCOM_EARLIER_THAN(1,4)
- #if !(defined(_MSC_VER) && (_MSC_VER > 800))
- #include <errno.h>
- #endif
- #endif
- #if defined(__WXMAC__)
- #include "wx/mac/private.h" // includes mac headers
- #endif
- #ifdef __WINDOWS__
- #include "wx/msw/private.h"
- #include "wx/msw/mslu.h"
- // sys/cygwin.h is needed for cygwin_conv_to_full_win32_path()
- //
- // note that it must be included after <windows.h>
- #ifdef __GNUWIN32__
- #ifdef __CYGWIN__
- #include <sys/cygwin.h>
- #endif
- #endif // __GNUWIN32__
- // io.h is needed for _get_osfhandle()
- // Already included by filefn.h for many Windows compilers
- #if defined __MWERKS__ || defined __CYGWIN__
- #include <io.h>
- #endif
- #endif // __WINDOWS__
- #if defined(__VMS__)
- #include <fab.h>
- #endif
- // TODO: Borland probably has _wgetcwd as well?
- #ifdef _MSC_VER
- #define HAVE_WGETCWD
- #endif
- // ----------------------------------------------------------------------------
- // constants
- // ----------------------------------------------------------------------------
- #ifndef _MAXPATHLEN
- #define _MAXPATHLEN 1024
- #endif
- #ifdef __WXMAC__
- # include "MoreFilesX.h"
- #endif
- // ----------------------------------------------------------------------------
- // private globals
- // ----------------------------------------------------------------------------
- // MT-FIXME: get rid of this horror and all code using it
- static wxChar wxFileFunctionsBuffer[4*_MAXPATHLEN];
- #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
- //
- const int wxInvalidOffset = -1;
- #endif
- // ----------------------------------------------------------------------------
- // macros
- // ----------------------------------------------------------------------------
- // translate the filenames before passing them to OS functions
- #define OS_FILENAME(s) (s.fn_str())
- // ============================================================================
- // implementation
- // ============================================================================
- // ----------------------------------------------------------------------------
- // wrappers around standard POSIX functions
- // ----------------------------------------------------------------------------
- #ifdef wxNEED_WX_UNISTD_H
- WXDLLEXPORT int wxStat( const wxChar *file_name, wxStructStat *buf )
- {
- return stat( wxConvFile.cWX2MB( file_name ), buf );
- }
- WXDLLEXPORT int wxLstat( const wxChar *file_name, wxStructStat *buf )
- {
- return lstat( wxConvFile.cWX2MB( file_name ), buf );
- }
- WXDLLEXPORT int wxAccess( const wxChar *pathname, int mode )
- {
- return access( wxConvFile.cWX2MB( pathname ), mode );
- }
- WXDLLEXPORT int wxOpen( const wxChar *pathname, int flags, mode_t mode )
- {
- return open( wxConvFile.cWX2MB( pathname ), flags, mode );
- }
- #endif // wxNEED_WX_UNISTD_H
- #if wxUSE_UNICODE && defined __BORLANDC__ \
- && __BORLANDC__ >= 0x550 && __BORLANDC__ <= 0x551
- // BCC 5.5 and 5.5.1 have a bug in _wopen where files are created read only
- // regardless of the mode parameter. This hack works around the problem by
- // setting the mode with _wchmod.
- //
- int wxOpen(const wchar_t *pathname, int flags, mode_t mode)
- {
- int moreflags = 0;
- // we only want to fix the mode when the file is actually created, so
- // when creating first try doing it O_EXCL so we can tell if the file
- // was already there.
- if ((flags & O_CREAT) && !(flags & O_EXCL) && (mode & wxS_IWUSR) != 0)
- moreflags = O_EXCL;
- int fd = _wopen(pathname, flags | moreflags, mode);
- // the file was actually created and needs fixing
- if (fd != -1 && (flags & O_CREAT) != 0 && (mode & wxS_IWUSR) != 0)
- {
- close(fd);
- _wchmod(pathname, mode);
- fd = _wopen(pathname, flags & ~(O_EXCL | O_CREAT));
- }
- // the open failed, but it may have been because the added O_EXCL stopped
- // the opening of an existing file, so try again without.
- else if (fd == -1 && moreflags != 0)
- {
- fd = _wopen(pathname, flags & ~O_CREAT);
- }
- return fd;
- }
- #endif
- // ----------------------------------------------------------------------------
- // wxPathList
- // ----------------------------------------------------------------------------
- bool wxPathList::Add(const wxString& path)
- {
- // add a path separator to force wxFileName to interpret it always as a directory
- // (i.e. if we are called with '/home/user' we want to consider it a folder and
- // not, as wxFileName would consider, a filename).
- wxFileName fn(path + wxFileName::GetPathSeparator());
- // add only normalized relative/absolute paths
- // NB: we won't do wxPATH_NORM_DOTS in order to avoid problems when trying to
- // normalize paths which starts with ".." (which can be normalized only if
- // we use also wxPATH_NORM_ABSOLUTE - which we don't want to use).
- if (!fn.Normalize(wxPATH_NORM_TILDE|wxPATH_NORM_LONG|wxPATH_NORM_ENV_VARS))
- return false;
- wxString toadd = fn.GetPath();
- if (Index(toadd) == wxNOT_FOUND)
- wxArrayString::Add(toadd); // do not add duplicates
- return true;
- }
- void wxPathList::Add(const wxArrayString &arr)
- {
- for (size_t j=0; j < arr.GetCount(); j++)
- Add(arr[j]);
- }
- // Add paths e.g. from the PATH environment variable
- void wxPathList::AddEnvList (const wxString& WXUNUSED_IN_WINCE(envVariable))
- {
- // No environment variables on WinCE
- #ifndef __WXWINCE__
- // The space has been removed from the tokenizers, otherwise a
- // path such as "C:\Program Files" would be split into 2 paths:
- // "C:\Program" and "Files"; this is true for both Windows and Unix.
- static const wxChar PATH_TOKS[] =
- #if defined(__WINDOWS__) || defined(__OS2__)
- wxT(";"); // Don't separate with colon in DOS (used for drive)
- #else
- wxT(":;");
- #endif
- wxString val;
- if ( wxGetEnv(envVariable, &val) )
- {
- // split into an array of string the value of the env var
- wxArrayString arr = wxStringTokenize(val, PATH_TOKS);
- WX_APPEND_ARRAY(*this, arr);
- }
- #endif // !__WXWINCE__
- }
- // Given a full filename (with path), ensure that that file can
- // be accessed again USING FILENAME ONLY by adding the path
- // to the list if not already there.
- bool wxPathList::EnsureFileAccessible (const wxString& path)
- {
- return Add(wxPathOnly(path));
- }
- #if WXWIN_COMPATIBILITY_2_6
- bool wxPathList::Member (const wxString& path) const
- {
- return Index(path) != wxNOT_FOUND;
- }
- #endif
- wxString wxPathList::FindValidPath (const wxString& file) const
- {
- // normalize the given string as it could be a path + a filename
- // and not only a filename
- wxFileName fn(file);
- wxString strend;
- // NB: normalize without making absolute otherwise calling this function with
- // e.g. "b/c.txt" would result in removing the directory 'b' and the for loop
- // below would only add to the paths of this list the 'c.txt' part when doing
- // the existence checks...
- // NB: we don't use wxPATH_NORM_DOTS here, too (see wxPathList::Add for more info)
- if (!fn.Normalize(wxPATH_NORM_TILDE|wxPATH_NORM_LONG|wxPATH_NORM_ENV_VARS))
- return wxEmptyString;
- wxASSERT_MSG(!fn.IsDir(), wxT("Cannot search for directories; only for files"));
- if (fn.IsAbsolute())
- strend = fn.GetFullName(); // search for the file name and ignore the path part
- else
- strend = fn.GetFullPath();
- for (size_t i=0; i<GetCount(); i++)
- {
- wxString strstart = Item(i);
- if (!strstart.IsEmpty() && strstart.Last() != wxFileName::GetPathSeparator())
- strstart += wxFileName::GetPathSeparator();
- if (wxFileExists(strstart + strend))
- return strstart + strend; // Found!
- }
- return wxEmptyString; // Not found
- }
- wxString wxPathList::FindAbsoluteValidPath (const wxString& file) const
- {
- wxString f = FindValidPath(file);
- if ( f.empty() || wxIsAbsolutePath(f) )
- return f;
- wxString buf = ::wxGetCwd();
- if ( !wxEndsWithPathSeparator(buf) )
- {
- buf += wxFILE_SEP_PATH;
- }
- buf += f;
- return buf;
- }
- // ----------------------------------------------------------------------------
- // miscellaneous global functions (TOFIX!)
- // ----------------------------------------------------------------------------
- static inline wxChar* MYcopystring(const wxString& s)
- {
- wxChar* copy = new wxChar[s.length() + 1];
- return wxStrcpy(copy, s.c_str());
- }
- static inline wxChar* MYcopystring(const wxChar* s)
- {
- wxChar* copy = new wxChar[wxStrlen(s) + 1];
- return wxStrcpy(copy, s);
- }
- bool
- wxFileExists (const wxString& filename)
- {
- #if defined(__WXPALMOS__)
- return false;
- #elif defined(__WIN32__) && !defined(__WXMICROWIN__)
- // we must use GetFileAttributes() instead of the ANSI C functions because
- // it can cope with network (UNC) paths unlike them
- DWORD ret = ::GetFileAttributes(filename);
- return (ret != (DWORD)-1) && !(ret & FILE_ATTRIBUTE_DIRECTORY);
- #else // !__WIN32__
- #ifndef S_ISREG
- #define S_ISREG(mode) ((mode) & S_IFREG)
- #endif
- wxStructStat st;
- #ifndef wxNEED_WX_UNISTD_H
- return (wxStat( filename.fn_str() , &st) == 0 && S_ISREG(st.st_mode))
- #ifdef __OS2__
- || (errno == EACCES) // if access is denied something with that name
- // exists and is opened in exclusive mode.
- #endif
- ;
- #else
- return wxStat( filename , &st) == 0 && S_ISREG(st.st_mode);
- #endif
- #endif // __WIN32__/!__WIN32__
- }
- bool
- wxIsAbsolutePath (const wxString& filename)
- {
- if (!filename.empty())
- {
- #if defined(__WXMAC__) && !defined(__DARWIN__)
- // Classic or Carbon CodeWarrior like
- // Carbon with Apple DevTools is Unix like
- // This seems wrong to me, but there is no fix. since
- // "MacOS:MyText.txt" is absolute whereas "MyDir:MyText.txt"
- // is not. Or maybe ":MyDir:MyText.txt" has to be used? RR.
- if (filename.Find(':') != wxNOT_FOUND && filename[0] != ':')
- return true ;
- #else
- // Unix like or Windows
- if (filename[0] == wxT('/'))
- return true;
- #endif
- #ifdef __VMS__
- if ((filename[0] == wxT('[') && filename[1] != wxT('.')))
- return true;
- #endif
- #if defined(__WINDOWS__) || defined(__OS2__)
- // MSDOS like
- if (filename[0] == wxT('\\') || (wxIsalpha (filename[0]) && filename[1] == wxT(':')))
- return true;
- #endif
- }
- return false ;
- }
- /*
- * Strip off any extension (dot something) from end of file,
- * IF one exists. Inserts zero into buffer.
- *
- */
- void wxStripExtension(wxChar *buffer)
- {
- int len = wxStrlen(buffer);
- int i = len-1;
- while (i > 0)
- {
- if (buffer[i] == wxT('.'))
- {
- buffer[i] = 0;
- break;
- }
- i --;
- }
- }
- void wxStripExtension(wxString& buffer)
- {
- //RN: Be careful about the handling the case where
- //buffer.length() == 0
- for(size_t i = buffer.length() - 1; i != wxString::npos; --i)
- {
- if (buffer.GetChar(i) == wxT('.'))
- {
- buffer = buffer.Left(i);
- break;
- }
- }
- }
- // Destructive removal of /./ and /../ stuff
- wxChar *wxRealPath (wxChar *path)
- {
- #ifdef __WXMSW__
- static const wxChar SEP = wxT('\\');
- wxUnix2DosFilename(path);
- #else
- static const wxChar SEP = wxT('/');
- #endif
- if (path[0] && path[1]) {
- /* MATTHEW: special case "/./x" */
- wxChar *p;
- if (path[2] == SEP && path[1] == wxT('.'))
- p = &path[0];
- else
- p = &path[2];
- for (; *p; p++)
- {
- if (*p == SEP)
- {
- if (p[1] == wxT('.') && p[2] == wxT('.') && (p[3] == SEP || p[3] == wxT('\0')))
- {
- wxChar *q;
- for (q = p - 1; q >= path && *q != SEP; q--)
- {
- // Empty
- }
- if (q[0] == SEP && (q[1] != wxT('.') || q[2] != wxT('.') || q[3] != SEP)
- && (q - 1 <= path || q[-1] != SEP))
- {
- wxStrcpy (q, p + 3);
- if (path[0] == wxT('\0'))
- {
- path[0] = SEP;
- path[1] = wxT('\0');
- }
- #if defined(__WXMSW__) || defined(__OS2__)
- /* Check that path[2] is NULL! */
- else if (path[1] == wxT(':') && !path[2])
- {
- path[2] = SEP;
- path[3] = wxT('\0');
- }
- #endif
- p = q - 1;
- }
- }
- else if (p[1] == wxT('.') && (p[2] == SEP || p[2] == wxT('\0')))
- wxStrcpy (p, p + 2);
- }
- }
- }
- return path;
- }
- wxString wxRealPath(const wxString& path)
- {
- wxChar *buf1=MYcopystring(path);
- wxChar *buf2=wxRealPath(buf1);
- wxString buf(buf2);
- delete [] buf1;
- return buf;
- }
- // Must be destroyed
- wxChar *wxCopyAbsolutePath(const wxString& filename)
- {
- if (filename.empty())
- return (wxChar *) NULL;
- if (! wxIsAbsolutePath(wxExpandPath(wxFileFunctionsBuffer, filename)))
- {
- wxString buf = ::wxGetCwd();
- wxChar ch = buf.Last();
- #ifdef __WXMSW__
- if (ch != wxT('\\') && ch != wxT('/'))
- buf << wxT("\\");
- #else
- if (ch != wxT('/'))
- buf << wxT("/");
- #endif
- buf << wxFileFunctionsBuffer;
- buf = wxRealPath( buf );
- return MYcopystring( buf );
- }
- return MYcopystring( wxFileFunctionsBuffer );
- }
- /*-
- Handles:
- ~/ => home dir
- ~user/ => user's home dir
- If the environment variable a = "foo" and b = "bar" then:
- Unix:
- $a => foo
- $a$b => foobar
- $a.c => foo.c
- xxx$a => xxxfoo
- ${a}! => foo!
- $(b)! => bar!
- \$a => \$a
- MSDOS:
- $a ==> $a
- $(a) ==> foo
- $(a)$b ==> foo$b
- $(a)$(b)==> foobar
- test.$$ ==> test.$$
- */
- /* input name in name, pathname output to buf. */
- wxChar *wxExpandPath(wxChar *buf, const wxChar *name)
- {
- register wxChar *d, *s, *nm;
- wxChar lnm[_MAXPATHLEN];
- int q;
- // Some compilers don't like this line.
- // const wxChar trimchars[] = wxT("\n \t");
- wxChar trimchars[4];
- trimchars[0] = wxT('\n');
- trimchars[1] = wxT(' ');
- trimchars[2] = wxT('\t');
- trimchars[3] = 0;
- #ifdef __WXMSW__
- const wxChar SEP = wxT('\\');
- #else
- const wxChar SEP = wxT('/');
- #endif
- buf[0] = wxT('\0');
- if (name == NULL || *name == wxT('\0'))
- return buf;
- nm = MYcopystring(name); // Make a scratch copy
- wxChar *nm_tmp = nm;
- /* Skip leading whitespace and cr */
- while (wxStrchr((wxChar *)trimchars, *nm) != NULL)
- nm++;
- /* And strip off trailing whitespace and cr */
- s = nm + (q = wxStrlen(nm)) - 1;
- while (q-- && wxStrchr((wxChar *)trimchars, *s) != NULL)
- *s = wxT('\0');
- s = nm;
- d = lnm;
- #ifdef __WXMSW__
- q = FALSE;
- #else
- q = nm[0] == wxT('\\') && nm[1] == wxT('~');
- #endif
- /* Expand inline environment variables */
- #ifdef __VISAGECPP__
- while (*d)
- {
- *d++ = *s;
- if(*s == wxT('\\'))
- {
- *(d - 1) = *++s;
- if (*d)
- {
- s++;
- continue;
- }
- else
- break;
- }
- else
- #else
- while ((*d++ = *s) != 0) {
- # ifndef __WXMSW__
- if (*s == wxT('\\')) {
- if ((*(d - 1) = *++s)!=0) {
- s++;
- continue;
- } else
- break;
- } else
- # endif
- #endif
- // No env variables on WinCE
- #ifndef __WXWINCE__
- #ifdef __WXMSW__
- if (*s++ == wxT('$') && (*s == wxT('{') || *s == wxT(')')))
- #else
- if (*s++ == wxT('$'))
- #endif
- {
- register wxChar *start = d;
- register int braces = (*s == wxT('{') || *s == wxT('('));
- register wxChar *value;
- while ((*d++ = *s) != 0)
- if (braces ? (*s == wxT('}') || *s == wxT(')')) : !(wxIsalnum(*s) || *s == wxT('_')) )
- break;
- else
- s++;
- *--d = 0;
- value = wxGetenv(braces ? start + 1 : start);
- if (value) {
- for ((d = start - 1); (*d++ = *value++) != 0;)
- {
- // Empty
- }
- d--;
- if (braces && *s)
- s++;
- }
- }
- #endif
- // __WXWINCE__
- }
- /* Expand ~ and ~user */
- nm = lnm;
- if (nm[0] == wxT('~') && !q)
- {
- /* prefix ~ */
- if (nm[1] == SEP || nm[1] == 0)
- { /* ~/filename */
- // FIXME: wxGetUserHome could return temporary storage in Unicode mode
- if ((s = WXSTRINGCAST wxGetUserHome(wxEmptyString)) != NULL) {
- if (*++nm)
- nm++;
- }
- } else
- { /* ~user/filename */
- register wxChar *nnm;
- register wxChar *home;
- for (s = nm; *s && *s != SEP; s++)
- {
- // Empty
- }
- int was_sep; /* MATTHEW: Was there a separator, or NULL? */
- was_sep = (*s == SEP);
- nnm = *s ? s + 1 : s;
- *s = 0;
- // FIXME: wxGetUserHome could return temporary storage in Unicode mode
- if ((home = WXSTRINGCAST wxGetUserHome(wxString(nm + 1))) == NULL)
- {
- if (was_sep) /* replace only if it was there: */
- *s = SEP;
- s = NULL;
- }
- else
- {
- nm = nnm;
- s = home;
- }
- }
- }
- d = buf;
- if (s && *s) { /* MATTHEW: s could be NULL if user '~' didn't exist */
- /* Copy home dir */
- while (wxT('\0') != (*d++ = *s++))
- /* loop */;
- // Handle root home
- if (d - 1 > buf && *(d - 2) != SEP)
- *(d - 1) = SEP;
- }
- s = nm;
- while ((*d++ = *s++) != 0)
- {
- // Empty
- }
- delete[] nm_tmp; // clean up alloc
- /* Now clean up the buffer */
- return wxRealPath(buf);
- }
- /* Contract Paths to be build upon an environment variable
- component:
- example: "/usr/openwin/lib", OPENWINHOME --> ${OPENWINHOME}/lib
- The call wxExpandPath can convert these back!
- */
- wxChar *
- wxContractPath (const wxString& filename,
- const wxString& WXUNUSED_IN_WINCE(envname),
- const wxString& user)
- {
- static wxChar dest[_MAXPATHLEN];
- if (filename.empty())
- return (wxChar *) NULL;
- wxStrcpy (dest, WXSTRINGCAST filename);
- #ifdef __WXMSW__
- wxUnix2DosFilename(dest);
- #endif
- // Handle environment
- const wxChar *val;
- #ifndef __WXWINCE__
- wxChar *tcp;
- if (!envname.empty() && (val = wxGetenv (WXSTRINGCAST envname)) != NULL &&
- (tcp = wxStrstr (dest, val)) != NULL)
- {
- wxStrcpy (wxFileFunctionsBuffer, tcp + wxStrlen (val));
- *tcp++ = wxT('$');
- *tcp++ = wxT('{');
- wxStrcpy (tcp, WXSTRINGCAST envname);
- wxStrcat (tcp, wxT("}"));
- wxStrcat (tcp, wxFileFunctionsBuffer);
- }
- #endif
- // Handle User's home (ignore root homes!)
- val = wxGetUserHome (user);
- if (!val)
- return dest;
- const size_t len = wxStrlen(val);
- if (len <= 2)
- return dest;
- if (wxStrncmp(dest, val, len) == 0)
- {
- wxStrcpy(wxFileFunctionsBuffer, wxT("~"));
- if (!user.empty())
- wxStrcat(wxFileFunctionsBuffer, (const wxChar*) user);
- wxStrcat(wxFileFunctionsBuffer, dest + len);
- wxStrcpy (dest, wxFileFunctionsBuffer);
- }
- return dest;
- }
- // Return just the filename, not the path (basename)
- wxChar *wxFileNameFromPath (wxChar *path)
- {
- wxString p = path;
- wxString n = wxFileNameFromPath(p);
- return path + p.length() - n.length();
- }
- wxString wxFileNameFromPath (const wxString& path)
- {
- wxString name, ext;
- wxFileName::SplitPath(path, NULL, &name, &ext);
- wxString fullname = name;
- if ( !ext.empty() )
- {
- fullname << wxFILE_SEP_EXT << ext;
- }
- return fullname;
- }
- // Return just the directory, or NULL if no directory
- wxChar *
- wxPathOnly (wxChar *path)
- {
- if (path && *path)
- {
- static wxChar buf[_MAXPATHLEN];
- // Local copy
- wxStrcpy (buf, path);
- int l = wxStrlen(path);
- int i = l - 1;
- // Search backward for a backward or forward slash
- while (i > -1)
- {
- #if defined(__WXMAC__) && !defined(__DARWIN__)
- // Classic or Carbon CodeWarrior like
- // Carbon with Apple DevTools is Unix like
- if (path[i] == wxT(':') )
- {
- buf[i] = 0;
- return buf;
- }
- #else
- // Unix like or Windows
- if (path[i] == wxT('/') || path[i] == wxT('\\'))
- {
- buf[i] = 0;
- return buf;
- }
- #endif
- #ifdef __VMS__
- if (path[i] == wxT(']'))
- {
- buf[i+1] = 0;
- return buf;
- }
- #endif
- i --;
- }
- #if defined(__WXMSW__) || defined(__OS2__)
- // Try Drive specifier
- if (wxIsalpha (buf[0]) && buf[1] == wxT(':'))
- {
- // A:junk --> A:. (since A:.\junk Not A:\junk)
- buf[2] = wxT('.');
- buf[3] = wxT('\0');
- return buf;
- }
- #endif
- }
- return (wxChar *) NULL;
- }
- // Return just the directory, or NULL if no directory
- wxString wxPathOnly (const wxString& path)
- {
- if (!path.empty())
- {
- wxChar buf[_MAXPATHLEN];
- // Local copy
- wxStrcpy (buf, WXSTRINGCAST path);
- int l = path.length();
- int i = l - 1;
- // Search backward for a backward or forward slash
- while (i > -1)
- {
- #if defined(__WXMAC__) && !defined(__DARWIN__)
- // Classic or Carbon CodeWarrior like
- // Carbon with Apple DevTools is Unix like
- if (path[i] == wxT(':') )
- {
- buf[i] = 0;
- return wxString(buf);
- }
- #else
- // Unix like or Windows
- if (path[i] == wxT('/') || path[i] == wxT('\\'))
- {
- // Don't return an empty string
- if (i == 0)
- i ++;
- buf[i] = 0;
- return wxString(buf);
- }
- #endif
- #ifdef __VMS__
- if (path[i] == wxT(']'))
- {
- buf[i+1] = 0;
- return wxString(buf);
- }
- #endif
- i --;
- }
- #if defined(__WXMSW__) || defined(__OS2__)
- // Try Drive specifier
- if (wxIsalpha (buf[0]) && buf[1] == wxT(':'))
- {
- // A:junk --> A:. (since A:.\junk Not A:\junk)
- buf[2] = wxT('.');
- buf[3] = wxT('\0');
- return wxString(buf);
- }
- #endif
- }
- return wxEmptyString;
- }
- // Utility for converting delimiters in DOS filenames to UNIX style
- // and back again - or we get nasty problems with delimiters.
- // Also, convert to lower case, since case is significant in UNIX.
- #if defined(__WXMAC__)
- #if TARGET_API_MAC_OSX
- #define kDefaultPathStyle kCFURLPOSIXPathStyle
- #else
- #define kDefaultPathStyle kCFURLHFSPathStyle
- #endif
- wxString wxMacFSRefToPath( const FSRef *fsRef , CFStringRef additionalPathComponent )
- {
- CFURLRef fullURLRef;
- fullURLRef = CFURLCreateFromFSRef(NULL, fsRef);
- if ( additionalPathComponent )
- {
- CFURLRef parentURLRef = fullURLRef ;
- fullURLRef = CFURLCreateCopyAppendingPathComponent(NULL, parentURLRef,
- additionalPathComponent,false);
- CFRelease( parentURLRef ) ;
- }
- CFStringRef cfString = CFURLCopyFileSystemPath(fullURLRef, kDefaultPathStyle);
- CFRelease( fullURLRef ) ;
- CFMutableStringRef cfMutableString = CFStringCreateMutableCopy(NULL, 0, cfString);
- CFRelease( cfString );
- CFStringNormalize(cfMutableString,kCFStringNormalizationFormC);
- return wxMacCFStringHolder(cfMutableString).AsString();
- }
- OSStatus wxMacPathToFSRef( const wxString&path , FSRef *fsRef )
- {
- OSStatus err = noErr ;
- CFMutableStringRef cfMutableString = CFStringCreateMutableCopy(NULL, 0, wxMacCFStringHolder(path));
- CFStringNormalize(cfMutableString,kCFStringNormalizationFormD);
- CFURLRef url = CFURLCreateWithFileSystemPath(kCFAllocatorDefault, cfMutableString , kDefaultPathStyle, false);
- CFRelease( cfMutableString );
- if ( NULL != url )
- {
- if ( CFURLGetFSRef(url, fsRef) == false )
- err = fnfErr ;
- CFRelease( url ) ;
- }
- else
- {
- err = fnfErr ;
- }
- return err ;
- }
- wxString wxMacHFSUniStrToString( ConstHFSUniStr255Param uniname )
- {
- CFStringRef cfname = CFStringCreateWithCharacters( kCFAllocatorDefault,
- uniname->unicode,
- uniname->length );
- CFMutableStringRef cfMutableString = CFStringCreateMutableCopy(NULL, 0, cfname);
- CFRelease( cfname );
- CFStringNormalize(cfMutableString,kCFStringNormalizationFormC);
- return wxMacCFStringHolder(cfMutableString).AsString() ;
- }
- #ifndef __LP64__
- wxString wxMacFSSpec2MacFilename( const FSSpec *spec )
- {
- FSRef fsRef ;
- if ( FSpMakeFSRef( spec , &fsRef) == noErr )
- {
- return wxMacFSRefToPath( &fsRef ) ;
- }
- return wxEmptyString ;
- }
- void wxMacFilename2FSSpec( const wxString& path , FSSpec *spec )
- {
- OSStatus err = noErr ;
- FSRef fsRef ;
- wxMacPathToFSRef( path , &fsRef ) ;
- err = FSRefMakeFSSpec( &fsRef , spec ) ;
- }
- #endif
- #endif // __WXMAC__
- void
- wxDos2UnixFilename (wxChar *s)
- {
- if (s)
- while (*s)
- {
- if (*s == _T('\\'))
- *s = _T('/');
- #ifdef __WXMSW__
- else
- *s = (wxChar)wxTolower (*s); // Case INDEPENDENT
- #endif
- s++;
- }
- }
- void
- #if defined(__WXMSW__) || defined(__OS2__)
- wxUnix2DosFilename (wxChar *s)
- #else
- wxUnix2DosFilename (wxChar *WXUNUSED(s) )
- #endif
- {
- // Yes, I really mean this to happen under DOS only! JACS
- #if defined(__WXMSW__) || defined(__OS2__)
- if (s)
- while (*s)
- {
- if (*s == wxT('/'))
- *s = wxT('\\');
- s++;
- }
- #endif
- }
- // Concatenate two files to form third
- bool
- wxConcatFiles (const wxString& file1, const wxString& file2, const wxString& file3)
- {
- #if wxUSE_FILE
- wxFile in1(file1), in2(file2);
- wxTempFile out(file3);
- if ( !in1.IsOpened() || !in2.IsOpened() || !out.IsOpened() )
- return false;
- ssize_t ofs;
- unsigned char buf[1024];
- for( int i=0; i<2; i++)
- {
- wxFile *in = i==0 ? &in1 : &in2;
- do{
- if ( (ofs = in->Read(buf,WXSIZEOF(buf))) == wxInvalidOffset ) return false;
- if ( ofs > 0 )
- if ( !out.Write(buf,ofs) )
- return false;
- } while ( ofs == (ssize_t)WXSIZEOF(buf) );
- }
- return out.Commit();
- #else
- wxUnusedVar(file1);
- wxUnusedVar(file2);
- wxUnusedVar(file3);
- return false;
- #endif
- }
- // Copy files
- bool
- wxCopyFile (const wxString& file1, const wxString& file2, bool overwrite)
- {
- #if defined(__WIN32__) && !defined(__WXMICROWIN__)
- // CopyFile() copies file attributes and modification time too, so use it
- // instead of our code if available
- //
- // NB: 3rd parameter is bFailIfExists i.e. the inverse of overwrite
- if ( !::CopyFile(file1, file2, !overwrite) )
- {
- wxLogSysError(_("Failed to copy the file '%s' to '%s'"),
- file1.c_str(), file2.c_str());
- return false;
- }
- #elif defined(__OS2__)
- if ( ::DosCopy((PSZ)file1.c_str(), (PSZ)file2.c_str(), overwrite ? DCPY_EXISTING : 0) != 0 )
- return false;
- #elif defined(__PALMOS__)
- // TODO with http://www.palmos.com/dev/support/docs/protein_books/Memory_Databases_Files/
- return false;
- #elif wxUSE_FILE // !Win32
- wxStructStat fbuf;
- // get permissions of file1
- if ( wxStat( file1.c_str(), &fbuf) != 0 )
- {
- // the file probably doesn't exist or we haven't the rights to read
- // from it anyhow
- wxLogSysError(_("Impossible to get permissions for file '%s'"),
- file1.c_str());
- return false;
- }
- // open file1 for reading
- wxFile fileIn(file1, wxFile::read);
- if ( !fileIn.IsOpened() )
- return false;
- // remove file2, if it exists. This is needed for creating
- // file2 with the correct permissions in the next step
- if ( wxFileExists(file2) && (!overwrite || !wxRemoveFile(file2)))
- {
- wxLogSysError(_("Impossible to overwrite the file '%s'"),
- file2.c_str());
- return false;
- }
- // reset the umask as we want to create the file with exactly the same
- // permissions as the original one
- wxCHANGE_UMASK(0);
- // create file2 with the same permissions than file1 and open it for
- // writing
- wxFile fileOut;
- if ( !fileOut.Create(file2, overwrite, fbuf.st_mode & 0777) )
- return false;
- // copy contents of file1 to file2
- char buf[4096];
- size_t count;
- for ( ;; )
- {
- count = fileIn.Read(buf, WXSIZEOF(buf));
- if ( fileIn.Error() )
- return false;
- // end of file?
- if ( !count )
- break;
- if ( fileOut.Write(buf, count) < count )
- return false;
- }
- // we can expect fileIn to be closed successfully, but we should ensure
- // that fileOut was closed as some write errors (disk full) might not be
- // detected before doing this
- if ( !fileIn.Close() || !fileOut.Close() )
- return false;
- #if !defined(__VISAGECPP__) && !defined(__WXMAC__) || defined(__UNIX__)
- // no chmod in VA. Should be some permission API for HPFS386 partitions
- // however
- if ( chmod(OS_FILENAME(file2), fbuf.st_mode) != 0 )
- {
- wxLogSysError(_("Impossible to set permissions for the file '%s'"),
- file2.c_str());
- return false;
- }
- #endif // OS/2 || Mac
- #else // !Win32 && ! wxUSE_FILE
- // impossible to simulate with wxWidgets API
- wxUnusedVar(file1);
- wxUnusedVar(file2);
- wxUnusedVar(overwrite);
- return false;
- #endif // __WXMSW__ && __WIN32__
- return true;
- }
- bool
- wxRenameFile(const wxString& file1, const wxString& file2, bool overwrite)
- {
- if ( !overwrite && wxFileExists(file2) )
- {
- wxLogSysError
- (
- _("Failed to rename the file '%s' to '%s' because the destination file already exists."),
- file1.c_str(), file2.c_str()
- );
- return false;
- }
- #if !defined(__WXWINCE__) && !defined(__WXPALMOS__)
- // Normal system call
- if ( wxRename (file1, file2) == 0 )
- return true;
- #endif
- // Try to copy
- if (wxCopyFile(file1, file2, overwrite)) {
- wxRemoveFile(file1);
- return true;
- }
- // Give up
- return false;
- }
- bool wxRemoveFile(const wxString& file)
- {
- #if defined(__VISUALC__) \
- || defined(__BORLANDC__) \
- || defined(__WATCOMC__) \
- || defined(__DMC__) \
- || defined(__GNUWIN32__) \
- || (defined(__MWERKS__) && defined(__MSL__))
- int res = wxRemove(file);
- #elif defined(__WXMAC__)
- int res = unlink(wxFNCONV(file));
- #elif defined(__WXPALMOS__)
- int res = 1;
- // TODO with VFSFileDelete()
- #else
- int res = unlink(OS_FILENAME(file));
- #endif
- return res == 0;
- }
- bool wxMkdir(const wxString& dir, int perm)
- {
- #if defined(__WXPALMOS__)
- return false;
- #elif defined(__WXMAC__) && !defined(__UNIX__)
- return (mkdir( wxFNCONV(dir) , 0 ) == 0);
- #else // !Mac
- const wxChar *dirname = dir.c_str();
- // assume mkdir() has 2 args on non Windows-OS/2 platforms and on Windows too
- // for the GNU compiler
- #if (!(defined(__WXMSW__) || defined(__OS2__) || defined(__DOS__))) || (defined(__GNUWIN32__) && !defined(__MINGW32__)) || defined(__WINE__) || defined(__WXMICROWIN__)
- #if defined(MSVCRT)
- wxUnusedVar(perm);
- if ( mkdir(wxFNCONV(dirname)) != 0 )
- #else
- if ( mkdir(wxFNCONV(dirname), perm) != 0 )
- #endif
- #elif defined(__OS2__)
- wxUnusedVar(perm);
- if (::DosCreateDir((PSZ)dirname, NULL) != 0) // enhance for EAB's??
- #elif defined(__DOS__)
- #if defined(__WATCOMC__)
- (void)perm;
- if ( wxMkDir(wxFNSTRINGCAST wxFNCONV(dirname)) != 0 )
- #elif defined(__DJGPP__)
- if ( mkdir(wxFNCONV(dirname), perm) != 0 )
- #else
- #error "Unsupported DOS compiler!"
- #endif
- #else // !MSW, !DOS and !OS/2 VAC++
- wxUnusedVar(perm);
- #ifdef __WXWINCE__
- if ( !CreateDirectory(dirname, NULL) )
- #else
- if ( wxMkDir(dir.fn_str()) != 0 )
- #endif
- #endif // !MSW/MSW
- {
- wxLogSysError(_("Directory '%s' couldn't be created"), dirname);
- return false;
- }
- return true;
- #endif // Mac/!Mac
- }
- bool wxRmdir(const wxString& dir, int WXUNUSED(flags))
- {
- #if defined(__VMS__)
- return false; //to be changed since rmdir exists in VMS7.x
- #elif defined(__OS2__)
- return (::DosDeleteDir((PSZ)dir.c_str()) == 0);
- #elif defined(__WXWINCE__)
- return (RemoveDirectory(dir) != 0);
- #elif defined(__WXPALMOS__)
- // TODO with VFSFileRename()
- return false;
- #else
- return (wxRmDir(OS_FILENAME(dir)) == 0);
- #endif
- }
- // does the path exists? (may have or not '/' or '\\' at the end)
- bool wxDirExists(const wxChar *pszPathName)
- {
- wxString strPath(pszPathName);
- #if defined(__WINDOWS__) || defined(__OS2__)
- // Windows fails to find directory named "c:\dir\" even if "c:\dir" exists,
- // so remove all trailing backslashes from the path - but don't do this for
- // the paths "d:\" (which are different from "d:") nor for just "\"
- while ( wxEndsWithPathSeparator(strPath) )
- {
- size_t len = strPath.length();
- if ( len == 1 || (len == 3 && strPath[len - 2] == _T(':')) )
- break;
- strPath.Truncate(len - 1);
- }
- #endif // __WINDOWS__
- #ifdef __OS2__
- // OS/2 can't handle "d:", it wants either "d:\" or "d:."
- if (strPath.length() == 2 && strPath[1u] == _T(':'))
- strPath << _T('.');
- #endif
- #if defined(__WXPALMOS__)
- return false;
- #elif defined(__WIN32__) && !defined(__WXMICROWIN__)
- // stat() can't cope with network paths
- DWORD ret = ::GetFileAttributes(strPath);
- return (ret != (DWORD)-1) && (ret & FILE_ATTRIBUTE_DIRECTORY);
- #elif defined(__OS2__)
- FILESTATUS3 Info = {{0}};
- APIRET rc = ::DosQueryPathInfo((PSZ)(WXSTRINGCAST strPath), FIL_STANDARD,
- (void*) &Info, sizeof(FILESTATUS3));
- return ((rc == NO_ERROR) && (Info.attrFile & FILE_DIRECTORY)) ||
- (rc == ERROR_SHARING_VIOLATION);
- // If we got a sharing violation, there must be something with this name.
- #else // !__WIN32__
- wxStructStat st;
- #ifndef __VISAGECPP__
- return wxStat(strPath.c_str(), &st) == 0 && ((st.st_mode & S_IFMT) == S_IFDIR);
- #else
- // S_IFMT not supported in VA compilers.. st_mode is a 2byte value only
- return wxStat(pszPathName, &st) == 0 && (st.st_mode == S_IFDIR);
- #endif
- #endif // __WIN32__/!__WIN32__
- }
- // Get a temporary filename, opening and closing the file.
- wxChar *wxGetTempFileName(const wxString& prefix, wxChar *buf)
- {
- wxString filename;
- if ( !wxGetTempFileName(prefix, filename) )
- return NULL;
- if ( buf )
- wxStrcpy(buf, filename);
- else
- buf = MYcopystring(filename);
- return buf;
- }
- bool wxGetTempFileName(const wxString& prefix, wxString& buf)
- {
- #if wxUSE_FILE
- buf = wxFileName::CreateTempFileName(prefix);
- return !buf.empty();
- #else // !wxUSE_FILE
- wxUnusedVar(prefix);
- wxUnusedVar(buf);
- return false;
- #endif // wxUSE_FILE/!wxUSE_FILE
- }
- // Get first file name matching given wild card.
- static wxDir *gs_dir = NULL;
- static wxString gs_dirPath;
- wxString wxFindFirstFile(const wxChar *spec, int flags)
- {
- wxSplitPath(spec, &gs_dirPath, NULL, NULL);
- if ( gs_dirPath.empty() )
- gs_dirPath = wxT(".");
- if ( !wxEndsWithPathSeparator(gs_dirPath ) )
- gs_dirPath << wxFILE_SEP_PATH;
- if (gs_dir)
- delete gs_dir;
- gs_dir = new wxDir(gs_dirPath);
- if ( !gs_dir->IsOpened() )
- {
- wxLogSysError(_("Can not enumerate files '%s'"), spec);
- return wxEmptyString;
- }
- int dirFlags;
- switch (flags)
- {
- case wxDIR: dirFlags = wxDIR_DIRS; break;
- case wxFILE: dirFlags = wxDIR_FILES; break;
- default: dirFlags = wxDIR_DIRS | wxDIR_FILES; break;
- }
- wxString result;
- gs_dir->GetFirst(&result, wxFileNameFromPath(wxString(spec)), dirFlags);
- if ( result.empty() )
- {
- wxDELETE(gs_dir);
- return result;
- }
- return gs_dirPath + result;
- }
- wxString wxFindNextFile()
- {
- wxASSERT_MSG( gs_dir, wxT("You must call wxFindFirstFile before!") );
- wxString result;
- gs_dir->GetNext(&result);
- if ( result.empty() )
- {
- wxDELETE(gs_dir);
- return result;
- }
- return gs_dirPath + result;
- }
- // Get current working directory.
- // If buf is NULL, allocates space using new, else copies into buf.
- // wxGetWorkingDirectory() is obsolete, use wxGetCwd()
- // wxDoGetCwd() is their common core to be moved
- // to wxGetCwd() once wxGetWorkingDirectory() will be removed.
- // Do not expose wxDoGetCwd in headers!
- wxChar *wxDoGetCwd(wxChar *buf, int sz)
- {
- #if defined(__WXPALMOS__)
- // TODO
- if(buf && sz>0) buf[0] = _T('\0');
- return buf;
- #elif defined(__WXWINCE__)
- // TODO
- if(buf && sz>0) buf[0] = _T('\0');
- return buf;
- #else
- if ( !buf )
- {
- buf = new wxChar[sz + 1];
- }
- bool ok wxDUMMY_INITIALIZE(false);
- // for the compilers which have Unicode version of _getcwd(), call it
- // directly, for the others call the ANSI version and do the translation
- #if !wxUSE_UNICODE
- #define cbuf buf
- #else // wxUSE_UNICODE
- bool needsANSI = true;
- #if !defined(HAVE_WGETCWD) || wxUSE_UNICODE_MSLU
- char cbuf[_MAXPATHLEN];
- #endif
- #ifdef HAVE_WGETCWD
- #if wxUSE_UNICODE_MSLU
- if ( wxGetOsVersion() != wxOS_WINDOWS_9X )
- #else
- char *cbuf = NULL; // never really used because needsANSI will always be false
- #endif
- {
- ok = _wgetcwd(buf, sz) != NULL;
- needsANSI = false;
- }
- #endif
- if ( needsANSI )
- #endif // wxUSE_UNICODE
- {
- #if defined(_MSC_VER) || defined(__MINGW32__)
- ok = _getcwd(cbuf, sz) != NULL;
- #elif defined(__WXMAC__) && !defined(__DARWIN__)
- char lbuf[1024] ;
- if ( getcwd( lbuf , sizeof( lbuf ) ) )
- {
- wxString res( lbuf , *wxConvCurrent ) ;
- wxStrcpy( buf , res ) ;
- ok = true;
- }
- else
- ok = false ;
- #elif defined(__OS2__)
- APIRET rc;
- ULONG ulDriveNum = 0;
- ULONG ulDriveMap = 0;
- rc = ::DosQueryCurrentDisk(&ulDriveNum, &ulDriveMap);
- ok = rc == 0;
- if (ok)
- {
- sz -= 3;
- rc = ::DosQueryCurrentDir( 0 // current drive
- ,(PBYTE)cbuf + 3
- ,(PULONG)&sz
- );
- cbuf[0] = char('A' + (ulDriveNum - 1));
- cbuf[1] = ':';
- cbuf[2] = '\\';
- ok = rc == 0;
- }
- #else // !Win32/VC++ !Mac !OS2
- ok = getcwd(cbuf, sz) != NULL;
- #endif // platform
- #if wxUSE_UNICODE && !(defined(__WXMAC__) && !defined(__DARWIN__))
- // finally convert the result to Unicode if needed
- wxConvFile.MB2WC(buf, cbuf, sz);
- #endif // wxUSE_UNICODE
- }
- if ( !ok )
- {
- wxLogSysError(_("Failed to get the working directory"));
- // VZ: the old code used to return "." on error which didn't make any
- // sense at all to me - empty string is a better error indicator
- // (NULL might be even better but I'm afraid this could lead to
- // problems with the old code assuming the return is never NULL)
- buf[0] = _T('\0');
- }
- else // ok, but we might need to massage the path into the right format
- {
- #ifdef __DJGPP__
- // VS: DJGPP is a strange mix of DOS and UNIX API and returns paths
- // with / deliminers. We don't like that.
- for (wxChar *ch = buf; *ch; ch++)
- {
- if (*ch == wxT('/'))
- *ch = wxT('\\');
- }
- #endif // __DJGPP__
- // MBN: we hope that in the case the user is compiling a GTK+/Motif app,
- // he needs Unix as opposed to Win32 pathnames
- #if defined( __CYGWIN__ ) && defined( __WINDOWS__ )
- // another example of DOS/Unix mix (Cygwin)
- wxString pathUnix = buf;
- #if wxUSE_UNICODE
- char bufA[_MAXPATHLEN];
- cygwin_conv_to_full_win32_path(pathUnix.mb_str(wxConvFile), bufA);
- wxConvFile.MB2WC(buf, bufA, sz);
- #else
- cygwin_conv_to_full_win32_path(pathUnix, buf);
- #endif // wxUSE_UNICODE
- #endif // __CYGWIN__
- }
- return buf;
- #if !wxUSE_UNICODE
- #undef cbuf
- #endif
- #endif
- // __WXWINCE__
- }
- #if WXWIN_COMPATIBILITY_2_6
- wxChar *wxGetWorkingDirectory(wxChar *buf, int sz)
- {
- return wxDoGetCwd(buf,sz);
- }
- #endif // WXWIN_COMPATIBILITY_2_6
- wxString wxGetCwd()
- {
- wxString str;
- wxDoGetCwd(wxStringBuffer(str, _MAXPATHLEN), _MAXPATHLEN);
- return str;
- }
- bool wxSetWorkingDirectory(const wxString& d)
- {
- #if defined(__OS2__)
- if (d[1] == ':')
- {
- ::DosSetDefaultDisk(1 + wxToupper(d[0]) - _T('A'));
- // do not call DosSetCurrentDir when just changing drive,
- // since it requires e.g. "d:." instead of "d:"!
- if (d.length() == 2)
- return true;
- }
- return (::DosSetCurrentDir((PSZ)d.c_str()) == 0);
- #elif defined(__UNIX__) || defined(__WXMAC__) || defined(__DOS__)
- return (chdir(wxFNSTRINGCAST d.fn_str()) == 0);
- #elif defined(__WINDOWS__)
- #ifdef __WIN32__
- #ifdef __WXWINCE__
- // No equivalent in WinCE
- wxUnusedVar(d);
- return false;
- #else
- return (bool)(SetCurrentDirectory(d) != 0);
- #endif
- #else
- // Must change drive, too.
- bool isDriveSpec = ((strlen(d) > 1) && (d[1] == ':'));
- if (isDriveSpec)
- {
- wxChar firstChar = d[0];
- // To upper case
- if (firstChar > 90)
- firstChar = firstChar - 32;
- // To a drive number
- unsigned int driveNo = firstChar - 64;
- if (driveNo > 0)
- {
- unsigned int noDrives;
- _dos_setdrive(driveNo, &noDrives);
- }
- }
- bool success = (chdir(WXSTRINGCAST d) == 0);
- return success;
- #endif
- #endif
- }
- // Get the OS directory if appropriate (such as the Windows directory).
- // On non-Windows platform, probably just return the empty string.
- wxString wxGetOSDirectory()
- {
- #ifdef __WXWINCE__
- return wxString(wxT("\\Windows"));
- #elif defined(__WINDOWS__) && !defined(__WXMICROWIN__)
- wxChar buf[256];
- GetWindowsDirectory(buf, 256);
- return wxString(buf);
- #elif defined(__WXMAC__)
- return wxMacFindFolder(kOnSystemDisk, 'macs', false);
- #else
- return wxEmptyString;
- #endif
- }
- bool wxEndsWithPathSeparator(const wxChar *pszFileName)
- {
- size_t len = wxStrlen(pszFileName);
- return len && wxIsPathSeparator(pszFileName[len - 1]);
- }
- // find a file in a list of directories, returns false if not found
- bool wxFindFileInPath(wxString *pStr, const wxChar *pszPath, const wxChar *pszFile)
- {
- // we assume that it's not empty
- wxCHECK_MSG( !wxIsEmpty(pszFile), false,
- _T("empty file name in wxFindFileInPath"));
- // skip path separator in the beginning of the file name if present
- if ( wxIsPathSeparator(*pszFile) )
- pszFile++;
- // copy the path (strtok will modify it)
- wxChar *szPath = new wxChar[wxStrlen(pszPath) + 1];
- wxStrcpy(szPath, pszPath);
- wxString strFile;
- wxChar *pc, *save_ptr;
- for ( pc = wxStrtok(szPath, wxPATH_SEP, &save_ptr);
- pc != NULL;
- pc = wxStrtok((wxChar *) NULL, wxPATH_SEP, &save_ptr) )
- {
- // search for the file in this directory
- strFile = pc;
- if ( !wxEndsWithPathSeparator(pc) )
- strFile += wxFILE_SEP_PATH;
- strFile += pszFile;
- if ( wxFileExists(strFile) ) {
- *pStr = strFile;
- break;
- }
- }
- // suppress warning about unused variable save_ptr when wxStrtok() is a
- // macro which throws away its third argument
- save_ptr = pc;
- delete [] szPath;
- return pc != NULL; // if true => we breaked from the loop
- }
- void WXDLLEXPORT wxSplitPath(const wxChar *pszFileName,
- wxString *pstrPath,
- wxString *pstrName,
- wxString *pstrExt)
- {
- // it can be empty, but it shouldn't be NULL
- wxCHECK_RET( pszFileName, wxT("NULL file name in wxSplitPath") );
- wxFileName::SplitPath(pszFileName, pstrPath, pstrName, pstrExt);
- }
- #if wxUSE_DATETIME
- time_t WXDLLEXPORT wxFileModificationTime(const wxString& filename)
- {
- wxDateTime mtime;
- if ( !wxFileName(filename).GetTimes(NULL, &mtime, NULL) )
- return (time_t)-1;
- return mtime.GetTicks();
- }
- #endif // wxUSE_DATETIME
- // Parses the filterStr, returning the number of filters.
- // Returns 0 if none or if there's a problem.
- // filterStr is in the form: "All files (*.*)|*.*|JPEG Files (*.jpeg)|*.jpeg"
- int WXDLLEXPORT wxParseCommonDialogsFilter(const wxString& filterStr,
- wxArrayString& descriptions,
- wxArrayString& filters)
- {
- descriptions.Clear();
- filters.Clear();
- wxString str(filterStr);
- wxString description, filter;
- int pos = 0;
- while( pos != wxNOT_FOUND )
- {
- pos = str.Find(wxT('|'));
- if ( pos == wxNOT_FOUND )
- {
- // if there are no '|'s at all in the string just take the entire
- // string as filter and make description empty for later autocompletion
- if ( filters.IsEmpty() )
- {
- descriptions.Add(wxEmptyString);
- filters.Add(filterStr);
- }
- else
- {
- wxFAIL_MSG( _T("missing '|' in the wildcard string!") );
- }
- break;
- }
- description = str.Left(pos);
- str = str.Mid(pos + 1);
- pos = str.Find(wxT('|'));
- if ( pos == wxNOT_FOUND )
- {
- filter = str;
- }
- else
- {
- filter = str.Left(pos);
- str = str.Mid(pos + 1);
- }
- descriptions.Add(description);
- filters.Add(filter);
- }
- #if defined(__WXMOTIF__)
- // split it so there is one wildcard per entry
- for( size_t i = 0 ; i < descriptions.GetCount() ; i++ )
- {
- pos = filters[i].Find(wxT(';'));
- if (pos != wxNOT_FOUND)
- {
- // first split only filters
- descriptions.Insert(descriptions[i],i+1);
- filters.Insert(filters[i].Mid(pos+1),i+1);
- filters[i]=filters[i].Left(pos);
- // autoreplace new filter in description with pattern:
- // C/C++ Files(*.cpp;*.c;*.h)|*.cpp;*.c;*.h
- // cause split into:
- // C/C++ Files(*.cpp)|*.cpp
- // C/C++ Files(*.c;*.h)|*.c;*.h
- // and next iteration cause another split into:
- // C/C++ Files(*.cpp)|*.cpp
- // C/C++ Files(*.c)|*.c
- // C/C++ Files(*.h)|*.h
- for ( size_t k=i;k<i+2;k++ )
- {
- pos = descriptions[k].Find(filters[k]);
- if (pos != wxNOT_FOUND)
- {
- wxString before = descriptions[k].Left(pos);
- wxString after = descriptions[k].Mid(pos+filters[k].Len());
- pos = before.Find(_T('('),true);
- if (pos>before.Find(_T(')'),true))
- {
- before = before.Left(pos+1);
- before << filters[k];
- pos = after.Find(_T(')'));
- int pos1 = after.Find(_T('('));
- if (pos != wxNOT_FOUND && (pos<pos1 || pos1==wxNOT_FOUND))
- {
- before << after.Mid(pos);
- descriptions[k] = before;
- }
- }
- }
- }
- }
- }
- #endif
- // autocompletion
- for( size_t j = 0 ; j < descriptions.GetCount() ; j++ )
- {
- if ( descriptions[j].empty() && !filters[j].empty() )
- {
- descriptions[j].Printf(_("Files (%s)"), filters[j].c_str());
- }
- }
- return filters.GetCount();
- }
- #if defined(__WINDOWS__) && !(defined(__UNIX__) || defined(__OS2__))
- static bool wxCheckWin32Permission(const wxString& path, DWORD access)
- {
- // quoting the MSDN: "To obtain a handle to a directory, call the
- // CreateFile function with the FILE_FLAG_BACKUP_SEMANTICS flag", but this
- // doesn't work under Win9x/ME but then it's not needed there anyhow
- bool isdir = wxDirExists(path);
- if ( isdir && wxGetOsVersion() == wxOS_WINDOWS_9X )
- {
- // FAT directories always allow all access, even if they have the
- // readonly flag set
- return true;
- }
- HANDLE h = ::CreateFile
- (
- path.c_str(),
- access,
- FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
- NULL,
- OPEN_EXISTING,
- isdir ? FILE_FLAG_BACKUP_SEMANTICS : 0,
- NULL
- );
- if ( h != INVALID_HANDLE_VALUE )
- CloseHandle(h);
- return h != INVALID_HANDLE_VALUE;
- }
- #endif // __WINDOWS__
- bool wxIsWritable(const wxString &path)
- {
- #if defined( __UNIX__ ) || defined(__OS2__)
- // access() will take in count also symbolic links
- return wxAccess(path.c_str(), W_OK) == 0;
- #elif defined( __WINDOWS__ )
- return wxCheckWin32Permission(path, GENERIC_WRITE);
- #else
- wxUnusedVar(path);
- // TODO
- return false;
- #endif
- }
- bool wxIsReadable(const wxString &path)
- {
- #if defined( __UNIX__ ) || defined(__OS2__)
- // access() will take in count also symbolic links
- return wxAccess(path.c_str(), R_OK) == 0;
- #elif defined( __WINDOWS__ )
- return wxCheckWin32Permission(path, GENERIC_READ);
- #else
- wxUnusedVar(path);
- // TODO
- return false;
- #endif
- }
- bool wxIsExecutable(const wxString &path)
- {
- #if defined( __UNIX__ ) || defined(__OS2__)
- // access() will take in count also symbolic links
- return wxAccess(path.c_str(), X_OK) == 0;
- #elif defined( __WINDOWS__ )
- return wxCheckWin32Permission(path, GENERIC_EXECUTE);
- #else
- wxUnusedVar(path);
- // TODO
- return false;
- #endif
- }
- // Return the type of an open file
- //
- // Some file types on some platforms seem seekable but in fact are not.
- // The main use of this function is to allow such cases to be detected
- // (IsSeekable() is implemented as wxGetFileKind() == wxFILE_KIND_DISK).
- //
- // This is important for the archive streams, which benefit greatly from
- // being able to seek on a stream, but which will produce corrupt archives
- // if they unknowingly seek on a non-seekable stream.
- //
- // wxFILE_KIND_DISK is a good catch all return value, since other values
- // disable features of the archive streams. Some other value must be returned
- // for a file type that appears seekable but isn't.
- //
- // Known examples:
- // * Pipes on Windows
- // * Files on VMS with a record format other than StreamLF
- //
- wxFileKind wxGetFileKind(int fd)
- {
- #if defined __WXMSW__ && !defined __WXWINCE__ && defined wxGetOSFHandle
- switch (::GetFileType(wxGetOSFHandle(fd)) & ~FILE_TYPE_REMOTE)
- {
- case FILE_TYPE_CHAR:
- return wxFILE_KIND_TERMINAL;
- case FILE_TYPE_DISK:
- return wxFILE_KIND_DISK;
- case FILE_TYPE_PIPE:
- return wxFILE_KIND_PIPE;
- }
- return wxFILE_KIND_UNKNOWN;
- #elif defined(__UNIX__)
- if (isatty(fd))
- return wxFILE_KIND_TERMINAL;
- struct stat st;
- fstat(fd, &st);
- if (S_ISFIFO(st.st_mode))
- return wxFILE_KIND_PIPE;
- if (!S_ISREG(st.st_mode))
- return wxFILE_KIND_UNKNOWN;
- #if defined(__VMS__)
- if (st.st_fab_rfm != FAB$C_STMLF)
- return wxFILE_KIND_UNKNOWN;
- #endif
- return wxFILE_KIND_DISK;
- #else
- #define wxFILEKIND_STUB
- (void)fd;
- return wxFILE_KIND_DISK;
- #endif
- }
- wxFileKind wxGetFileKind(FILE *fp)
- {
- // Note: The watcom rtl dll doesn't have fileno (the static lib does).
- // Should be fixed in version 1.4.
- #if defined(wxFILEKIND_STUB) || wxONLY_WATCOM_EARLIER_THAN(1,4)
- (void)fp;
- return wxFILE_KIND_DISK;
- #elif defined(__WINDOWS__) && !defined(__CYGWIN__) && !defined(__WATCOMC__) && !defined(__WINE__)
- return fp ? wxGetFileKind(_fileno(fp)) : wxFILE_KIND_UNKNOWN;
- #else
- return fp ? wxGetFileKind(fileno(fp)) : wxFILE_KIND_UNKNOWN;
- #endif
- }
- //------------------------------------------------------------------------
- // wild character routines
- //------------------------------------------------------------------------
- bool wxIsWild( const wxString& pattern )
- {
- wxString tmp = pattern;
- wxChar *pat = WXSTRINGCAST(tmp);
- while (*pat)
- {
- switch (*pat++)
- {
- case wxT('?'): case wxT('*'): case wxT('['): case wxT('{'):
- return true;
- case wxT('\\'):
- if (!*pat++)
- return false;
- }
- }
- return false;
- }
- /*
- * Written By Douglas A. Lewis <dalewis@cs.Buffalo.EDU>
- *
- * The match procedure is public domain code (from ircII's reg.c)
- * but modified to suit our tastes (RN: No "%" syntax I guess)
- */
- bool wxMatchWild( const wxString& pat, const wxString& text, bool dot_special )
- {
- if (text.empty())
- {
- /* Match if both are empty. */
- return pat.empty();
- }
- const wxChar *m = pat.c_str(),
- *n = text.c_str(),
- *ma = NULL,
- *na = NULL;
- int just = 0,
- acount = 0,
- count = 0;
- if (dot_special && (*n == wxT('.')))
- {
- /* Never match so that hidden Unix files
- * are never found. */
- return false;
- }
- for (;;)
- {
- if (*m == wxT('*'))
- {
- ma = ++m;
- na = n;
- just = 1;
- acount = count;
- }
- else if (*m == wxT('?'))
- {
- m++;
- if (!*n++)
- return false;
- }
- else
- {
- if (*m == wxT('\\'))
- {
- m++;
- /* Quoting "nothing" is a bad thing */
- if (!*m)
- return false;
- }
- if (!*m)
- {
- /*
- * If we are out of both strings or we just
- * saw a wildcard, then we can say we have a
- * match
- */
- if (!*n)
- return true;
- if (just)
- return true;
- just = 0;
- goto not_matched;
- }
- /*
- * We could check for *n == NULL at this point, but
- * since it's more common to have a character there,
- * check to see if they match first (m and n) and
- * then if they don't match, THEN we can check for
- * the NULL of n
- */
- just = 0;
- if (*m == *n)
- {
- m++;
- count++;
- n++;
- }
- else
- {
- not_matched:
- /*
- * If there are no more characters in the
- * string, but we still need to find another
- * character (*m != NULL), then it will be
- * impossible to match it
- */
- if (!*n)
- return false;
- if (ma)
- {
- m = ma;
- n = ++na;
- count = acount;
- }
- else
- return false;
- }
- }
- }
- }
- #ifdef __VISUALC__
- #pragma warning(default:4706) // assignment within conditional expression
- #endif // VC++