Files
wxWidgets/src/common/filefn.cpp
2001-05-25 07:01:32 +00:00

2067 lines
52 KiB
C++

/////////////////////////////////////////////////////////////////////////////
// Name: filefn.cpp
// Purpose: File- and directory-related functions
// Author: Julian Smart
// Modified by:
// Created: 29/01/98
// RCS-ID: $Id$
// Copyright: (c) 1998 Julian Smart
// Licence: wxWindows license
/////////////////////////////////////////////////////////////////////////////
// ============================================================================
// declarations
// ============================================================================
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
#ifdef __GNUG__
#pragma implementation "filefn.h"
#endif
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#include "wx/defs.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
#include "wx/utils.h"
#include "wx/intl.h"
#include "wx/file.h"
#include "wx/filename.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 !defined(__WATCOMC__)
#if !(defined(_MSC_VER) && (_MSC_VER > 800))
#include <errno.h>
#endif
#endif
#include <time.h>
#ifndef __MWERKS__
#include <sys/types.h>
#include <sys/stat.h>
#else
#include <stat.h>
#include <unistd.h>
#include <unix.h>
#endif
#ifdef __UNIX__
#include <unistd.h>
#include <dirent.h>
#endif
#ifdef __WXPM__
#include <process.h>
#include "wx/os2/private.h"
#endif
#ifdef __WINDOWS__
#if !defined( __GNUWIN32__ ) && !defined( __MWERKS__ ) && !defined(__SALFORDC__)
#include <direct.h>
#include <dos.h>
#include <io.h>
#endif // __WINDOWS__
#endif // native Win compiler
#ifdef __GNUWIN32__
#ifndef __TWIN32__
#include <sys/unistd.h>
#endif
#endif
#ifdef __BORLANDC__ // Please someone tell me which version of Borland needs
// this (3.1 I believe) and how to test for it.
// If this works for Borland 4.0 as well, then no worries.
#include <dir.h>
#endif
#ifdef __SALFORDC__
#include <dir.h>
#include <unix.h>
#endif
#include "wx/setup.h"
#include "wx/log.h"
// No, Cygwin doesn't appear to have fnmatch.h after all.
#if defined(HAVE_FNMATCH_H)
#include "fnmatch.h"
#endif
#ifdef __WINDOWS__
#include <windows.h>
#endif
// ----------------------------------------------------------------------------
// constants
// ----------------------------------------------------------------------------
#define _MAXPATHLEN 500
extern wxChar *wxBuffer;
#if defined(__WXMAC__) && !defined(__UNIX__)
#include "morefile.h"
#include "moreextr.h"
#include "fullpath.h"
#include "fspcompa.h"
#endif
IMPLEMENT_DYNAMIC_CLASS(wxPathList, wxStringList)
// ----------------------------------------------------------------------------
// private globals
// ----------------------------------------------------------------------------
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 off_t wxInvalidOffset = (off_t)-1;
#endif
// ----------------------------------------------------------------------------
// macros
// ----------------------------------------------------------------------------
// we need to translate Mac filenames before passing them to OS functions
#ifdef __MAC__
#define OS_FILENAME(s) (wxUnix2MacFilename(s))
#else
#define OS_FILENAME(s) (s.fn_str())
#endif
// ============================================================================
// implementation
// ============================================================================
void wxPathList::Add (const wxString& path)
{
wxStringList::Add (WXSTRINGCAST path);
}
// Add paths e.g. from the PATH environment variable
void wxPathList::AddEnvList (const wxString& envVariable)
{
static const wxChar PATH_TOKS[] =
#ifdef __WINDOWS__
wxT(" ;"); // Don't seperate with colon in DOS (used for drive)
#else
wxT(" :;");
#endif
wxChar *val = wxGetenv (WXSTRINGCAST envVariable);
if (val && *val)
{
wxChar *s = copystring (val);
wxChar *save_ptr, *token = wxStrtok (s, PATH_TOKS, &save_ptr);
if (token)
{
Add (copystring (token));
while (token)
{
if ((token = wxStrtok ((wxChar *) NULL, PATH_TOKS, &save_ptr)) != NULL)
Add (wxString(token));
}
}
// suppress warning about unused variable save_ptr when wxStrtok() is a
// macro which throws away its third argument
save_ptr = token;
delete [] s;
}
}
// 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.
void wxPathList::EnsureFileAccessible (const wxString& path)
{
wxString path_only(wxPathOnly(path));
if ( !path_only.IsEmpty() )
{
if ( !Member(path_only) )
Add(path_only);
}
}
bool wxPathList::Member (const wxString& path)
{
for (wxNode * node = First (); node != NULL; node = node->Next ())
{
wxString path2((wxChar *) node->Data ());
if (
#if defined(__WINDOWS__) || defined(__VMS__) || defined (__WXMAC__)
// Case INDEPENDENT
path.CompareTo (path2, wxString::ignoreCase) == 0
#else
// Case sensitive File System
path.CompareTo (path2) == 0
#endif
)
return TRUE;
}
return FALSE;
}
wxString wxPathList::FindValidPath (const wxString& file)
{
if (wxFileExists (wxExpandPath(wxFileFunctionsBuffer, file)))
return wxString(wxFileFunctionsBuffer);
wxChar buf[_MAXPATHLEN];
wxStrcpy(buf, wxFileFunctionsBuffer);
wxChar *filename = (wxChar*) NULL; /* shut up buggy egcs warning */
filename = IsAbsolutePath (buf) ? wxFileNameFromPath (buf) : (wxChar *)buf;
for (wxNode * node = First (); node; node = node->Next ())
{
wxChar *path = (wxChar *) node->Data ();
wxStrcpy (wxFileFunctionsBuffer, path);
wxChar ch = wxFileFunctionsBuffer[wxStrlen(wxFileFunctionsBuffer)-1];
if (ch != wxT('\\') && ch != wxT('/'))
wxStrcat (wxFileFunctionsBuffer, wxT("/"));
wxStrcat (wxFileFunctionsBuffer, filename);
#ifdef __WINDOWS__
Unix2DosFilename (wxFileFunctionsBuffer);
#endif
if (wxFileExists (wxFileFunctionsBuffer))
{
return wxString(wxFileFunctionsBuffer); // Found!
}
} // for()
return wxString(wxT("")); // Not found
}
wxString wxPathList::FindAbsoluteValidPath (const wxString& file)
{
wxString f = FindValidPath(file);
if ( wxIsAbsolutePath(f) )
return f;
wxString buf;
wxGetWorkingDirectory(buf.GetWriteBuf(_MAXPATHLEN), _MAXPATHLEN - 1);
buf.UngetWriteBuf();
if ( !wxEndsWithPathSeparator(buf) )
{
buf += wxFILE_SEP_PATH;
}
buf += f;
return buf;
}
bool
wxFileExists (const wxString& filename)
{
#ifdef __GNUWIN32__ // (fix a B20 bug)
return GetFileAttributes(filename) != 0xFFFFFFFF;
#else
wxStructStat stbuf;
if ( !filename.empty() && wxStat (OS_FILENAME(filename), &stbuf) == 0 )
return TRUE;
return FALSE;
#endif
}
bool
wxIsAbsolutePath (const wxString& filename)
{
if (filename != wxT(""))
{
if (filename[0] == wxT('/')
#ifdef __VMS__
|| (filename[0] == wxT('[') && filename[1] != wxT('.'))
#endif
#ifdef __WINDOWS__
/* MSDOS */
|| filename[0] == wxT('\\') || (wxIsalpha (filename[0]) && filename[1] == wxT(':'))
#endif
)
return TRUE;
}
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)
{
size_t len = buffer.Length();
size_t i = len-1;
while (i > 0)
{
if (buffer.GetChar(i) == wxT('.'))
{
buffer = buffer.Left(i);
break;
}
i --;
}
}
// Destructive removal of /./ and /../ stuff
wxChar *wxRealPath (wxChar *path)
{
#ifdef __WXMSW__
static const wxChar SEP = wxT('\\');
Unix2DosFilename(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--);
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');
}
#ifdef __WXMSW__
/* 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;
}
// Must be destroyed
wxChar *wxCopyAbsolutePath(const wxString& filename)
{
if (filename == wxT(""))
return (wxChar *) NULL;
if (! IsAbsolutePath(wxExpandPath(wxFileFunctionsBuffer, filename))) {
wxChar buf[_MAXPATHLEN];
buf[0] = wxT('\0');
wxGetWorkingDirectory(buf, WXSIZEOF(buf));
wxChar ch = buf[wxStrlen(buf) - 1];
#ifdef __WXMSW__
if (ch != wxT('\\') && ch != wxT('/'))
wxStrcat(buf, wxT("\\"));
#else
if (ch != wxT('/'))
wxStrcat(buf, wxT("/"));
#endif
wxStrcat(buf, wxFileFunctionsBuffer);
return copystring( wxRealPath(buf) );
}
return copystring( 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 = copystring(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)) {
# ifndef __WXMSW__
if (*s == wxT('\\')) {
if ((*(d - 1) = *++s)) {
s++;
continue;
} else
break;
} else
# endif
#endif
#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;
#ifdef __VISAGECPP__
// VA gives assignment in logical expr warning
while (*d)
*d++ = *s;
#else
while ((*d++ = *s))
#endif
if (braces ? (*s == wxT('}') || *s == wxT(')')) : !(wxIsalnum(*s) || *s == wxT('_')) )
break;
else
s++;
*--d = 0;
value = wxGetenv(braces ? start + 1 : start);
if (value) {
#ifdef __VISAGECPP__
// VA gives assignment in logical expr warning
for ((d = start - 1); (*d); *d++ = *value++);
#else
for ((d = start - 1); (*d++ = *value++););
#endif
d--;
if (braces && *s)
s++;
}
}
}
/* Expand ~ and ~user */
nm = lnm;
s = wxT("");
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(wxT(""))) != NULL) {
if (*++nm)
nm++;
}
} else
{ /* ~user/filename */
register wxChar *nnm;
register wxChar *home;
for (s = nm; *s && *s != SEP; s++);
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 = wxT("");
} 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;
#ifdef __VISAGECPP__
// VA gives assignment in logical expr warning
while (*d)
*d++ = *s++;
#else
while ((*d++ = *s++));
#endif
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 --> ${OPENWINHOME}/lib
The call wxExpandPath can convert these back!
*/
wxChar *
wxContractPath (const wxString& filename, const wxString& envname, const wxString& user)
{
static wxChar dest[_MAXPATHLEN];
if (filename == wxT(""))
return (wxChar *) NULL;
wxStrcpy (dest, WXSTRINGCAST filename);
#ifdef __WXMSW__
Unix2DosFilename(dest);
#endif
// Handle environment
const wxChar *val = (const wxChar *) NULL;
wxChar *tcp = (wxChar *) NULL;
if (envname != WXSTRINGCAST NULL && (val = wxGetenv (WXSTRINGCAST envname)) != NULL &&
(tcp = wxStrstr (dest, val)) != NULL)
{
wxStrcpy (wxFileFunctionsBuffer, tcp + wxStrlen (val));
*tcp++ = wxT('$');
*tcp++ = wxT('{');
wxStrcpy (tcp, WXSTRINGCAST envname);
wxStrcat (tcp, wxT("}"));
wxStrcat (tcp, wxFileFunctionsBuffer);
}
// Handle User's home (ignore root homes!)
size_t len = 0;
if ((val = wxGetUserHome (user)) != NULL &&
(len = wxStrlen(val)) > 2 &&
wxStrncmp(dest, val, len) == 0)
{
wxStrcpy(wxFileFunctionsBuffer, wxT("~"));
if (user != wxT(""))
wxStrcat(wxFileFunctionsBuffer, (const wxChar*) user);
#ifdef __WXMSW__
// strcat(wxFileFunctionsBuffer, "\\");
#else
// strcat(wxFileFunctionsBuffer, "/");
#endif
wxStrcat(wxFileFunctionsBuffer, dest + len);
wxStrcpy (dest, wxFileFunctionsBuffer);
}
return dest;
}
// Return just the filename, not the path
// (basename)
wxChar *wxFileNameFromPath (wxChar *path)
{
if (path)
{
register wxChar *tcp;
tcp = path + wxStrlen (path);
while (--tcp >= path)
{
if (*tcp == wxT('/') || *tcp == wxT('\\')
#ifdef __VMS__
|| *tcp == wxT(':') || *tcp == wxT(']'))
#else
)
#endif
return tcp + 1;
} /* while */
#if defined(__WXMSW__) || defined(__WXPM__)
if (wxIsalpha (*path) && *(path + 1) == wxT(':'))
return path + 2;
#endif
}
return path;
}
wxString wxFileNameFromPath (const wxString& path1)
{
if (path1 != wxT(""))
{
wxChar *path = WXSTRINGCAST path1 ;
register wxChar *tcp;
tcp = path + wxStrlen (path);
while (--tcp >= path)
{
if (*tcp == wxT('/') || *tcp == wxT('\\')
#ifdef __VMS__
|| *tcp == wxT(':') || *tcp == wxT(']'))
#else
)
#endif
return wxString(tcp + 1);
} /* while */
#if defined(__WXMSW__) || defined(__WXPM__)
if (wxIsalpha (*path) && *(path + 1) == wxT(':'))
return wxString(path + 2);
#endif
}
// Yes, this should return the path, not an empty string, otherwise
// we get "thing.txt" -> "".
return path1;
}
// 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);
bool done = FALSE;
int i = l - 1;
// Search backward for a backward or forward slash
while (!done && i > -1)
{
// ] is for VMS
if (path[i] == wxT('/') || path[i] == wxT('\\') || path[i] == wxT(']'))
{
done = TRUE;
#ifdef __VMS__
if ( path[i] == wxT(']') )
buf[i+1] = 0;
else
#endif
buf[i] = 0;
return buf;
}
else i --;
}
#if defined(__WXMSW__) || defined(__WXPM__)
// 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 != wxT(""))
{
wxChar buf[_MAXPATHLEN];
// Local copy
wxStrcpy (buf, WXSTRINGCAST path);
int l = path.Length();
bool done = FALSE;
int i = l - 1;
// Search backward for a backward or forward slash
while (!done && i > -1)
{
// ] is for VMS
if (path[i] == wxT('/') || path[i] == wxT('\\') || path[i] == wxT(']'))
{
done = TRUE;
#ifdef __VMS__
if ( path[i] == wxT(']') )
buf[i+1] = 0;
else
#endif
buf[i] = 0;
return wxString(buf);
}
else i --;
}
#if defined(__WXMSW__) || defined(__WXPM__)
// 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 wxString(wxT(""));
}
// 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__) && !defined(__UNIX__)
static char sMacFileNameConversion[ 1000 ] ;
wxString wxMac2UnixFilename (const char *str)
{
char *s = sMacFileNameConversion ;
strcpy( s , str ) ;
if (s)
{
memmove( s+1 , s ,strlen( s ) + 1) ;
if ( *s == ':' )
*s = '.' ;
else
*s = '/' ;
while (*s)
{
if (*s == ':')
*s = '/';
else
*s = wxTolower (*s); // Case INDEPENDENT
s++;
}
}
return wxString (sMacFileNameConversion) ;
}
wxString wxUnix2MacFilename (const char *str)
{
char *s = sMacFileNameConversion ;
strcpy( s , str ) ;
if (s)
{
if ( *s == '.' )
{
// relative path , since it goes on with slash which is translated to a :
memmove( s , s+1 ,strlen( s ) ) ;
}
else if ( *s == '/' )
{
// absolute path -> on mac just start with the drive name
memmove( s , s+1 ,strlen( s ) ) ;
}
else
{
wxASSERT_MSG( 1 , "unkown path beginning" ) ;
}
while (*s)
{
if (*s == '/' || *s == '\\')
{
// convert any back-directory situations
if ( *(s+1) == '.' && *(s+2) == '.' && ( (*(s+3) == '/' || *(s+3) == '\\') ) )
{
*s = ':';
memmove( s+1 , s+3 ,strlen( s+3 ) + 1 ) ;
}
else
*s = ':';
}
s++ ;
}
}
return wxString (sMacFileNameConversion) ;
}
wxString wxMacFSSpec2MacFilename( const FSSpec *spec )
{
Handle myPath ;
short length ;
FSpGetFullPath( spec , &length , &myPath ) ;
::SetHandleSize( myPath , length + 1 ) ;
::HLock( myPath ) ;
(*myPath)[length] = 0 ;
if ( length > 0 && (*myPath)[length-1] ==':' )
(*myPath)[length-1] = 0 ;
wxString result( (char*) *myPath ) ;
::HUnlock( myPath ) ;
::DisposeHandle( myPath ) ;
return result ;
}
wxString wxMacFSSpec2UnixFilename( const FSSpec *spec )
{
return wxMac2UnixFilename( wxMacFSSpec2MacFilename( spec) ) ;
}
void wxMacFilename2FSSpec( const char *path , FSSpec *spec )
{
FSpLocationFromFullPath( strlen(path ) , path , spec ) ;
}
void wxUnixFilename2FSSpec( const char *path , FSSpec *spec )
{
wxString var = wxUnix2MacFilename( path ) ;
wxMacFilename2FSSpec( var , spec ) ;
}
#endif
void
wxDos2UnixFilename (char *s)
{
if (s)
while (*s)
{
if (*s == '\\')
*s = '/';
#ifdef __WXMSW__
else
*s = wxTolower (*s); // Case INDEPENDENT
#endif
s++;
}
}
void
#if defined(__WXMSW__) || defined(__WXPM__)
wxUnix2DosFilename (wxChar *s)
#else
wxUnix2DosFilename (wxChar *WXUNUSED(s) )
#endif
{
// Yes, I really mean this to happen under DOS only! JACS
#if defined(__WXMSW__) || defined(__WXPM__)
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)
{
wxString outfile;
if ( !wxGetTempFileName("cat", outfile) )
return FALSE;
FILE *fp1 = (FILE *) NULL;
FILE *fp2 = (FILE *) NULL;
FILE *fp3 = (FILE *) NULL;
// Open the inputs and outputs
if ((fp1 = fopen (OS_FILENAME( file1 ), "rb")) == NULL ||
(fp2 = fopen (OS_FILENAME( file2 ), "rb")) == NULL ||
(fp3 = fopen (OS_FILENAME( outfile ), "wb")) == NULL)
{
if (fp1)
fclose (fp1);
if (fp2)
fclose (fp2);
if (fp3)
fclose (fp3);
return FALSE;
}
int ch;
while ((ch = getc (fp1)) != EOF)
(void) putc (ch, fp3);
fclose (fp1);
while ((ch = getc (fp2)) != EOF)
(void) putc (ch, fp3);
fclose (fp2);
fclose (fp3);
bool result = wxRenameFile(outfile, file3);
return result;
}
// Copy files
bool
wxCopyFile (const wxString& file1, const wxString& file2, bool overwrite)
{
#if defined(__WIN32__)
// 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
return ::CopyFile(file1, file2, !overwrite) != 0;
#else // !Win32
wxStructStat fbuf;
// get permissions of file1
if ( wxStat(OS_FILENAME(file1), &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;
}
#ifdef __UNIX__
// reset the umask as we want to create the file with exactly the same
// permissions as the original one
mode_t oldUmask = umask( 0 );
#endif // __UNIX__
// 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;
#ifdef __UNIX__
/// restore the old umask
umask(oldUmask);
#endif // __UNIX__
// 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
return TRUE;
#endif // __WXMSW__ && __WIN32__
}
bool
wxRenameFile (const wxString& file1, const wxString& file2)
{
// Normal system call
if ( wxRename (file1, file2) == 0 )
return TRUE;
// Try to copy
if (wxCopyFile(file1, file2)) {
wxRemoveFile(file1);
return TRUE;
}
// Give up
return FALSE;
}
bool wxRemoveFile(const wxString& file)
{
#if defined(__VISUALC__) || defined(__BORLANDC__) || defined(__WATCOMC__)
int res = wxRemove(file);
#else
int res = unlink(OS_FILENAME(file));
#endif
return res == 0;
}
bool wxMkdir(const wxString& dir, int perm)
{
#if defined(__WXMAC__) && !defined(__UNIX__)
return (mkdir(wxUnix2MacFilename( 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(__WXPM__))) || (defined(__GNUWIN32__) && !defined(__MINGW32__)) || defined(__WXWINE__)
if ( mkdir(wxFNCONV(dirname), perm) != 0 )
#elif defined(__WXPM__)
if (::DosCreateDir((PSZ)dirname, NULL) != 0) // enhance for EAB's??
#else // !MSW and !OS/2 VAC++
if ( wxMkDir(wxFNSTRINGCAST wxFNCONV(dirname)) != 0 )
#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))
{
#ifdef __VMS__
return FALSE; //to be changed since rmdir exists in VMS7.x
#elif defined(__WXPM__)
return (::DosDeleteDir((PSZ)dir.c_str()) == 0);
#else
#ifdef __SALFORDC__
return FALSE; // What to do?
#else
return (wxRmDir(OS_FILENAME(dir)) == 0);
#endif
#endif
}
// does the path exists? (may have or not '/' or '\\' at the end)
bool wxPathExists(const wxChar *pszPathName)
{
wxString strPath(pszPathName);
#ifdef __WINDOWS__
// 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 pathes "d:\" (which are different from "d:") nor for just "\"
while ( wxEndsWithPathSeparator(strPath) )
{
size_t len = strPath.length();
if ( len == 1 || strPath[len - 1] == _T(':') )
break;
strPath.Truncate(len - 1);
}
#endif // __WINDOWS__
wxStructStat st;
#ifndef __VISAGECPP__
return wxStat(wxFNSTRINGCAST strPath.fn_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(wxFNSTRINGCAST strPath.fn_str(), &st) == 0 &&
(st.st_mode == S_IFDIR);
#endif
}
// Get a temporary filename, opening and closing the file.
wxChar *wxGetTempFileName(const wxString& prefix, wxChar *buf)
{
#ifdef __WINDOWS__
#ifndef __WIN32__
wxChar tmp[144];
::GetTempFileName(0, WXSTRINGCAST prefix, 0, tmp);
#else
wxChar tmp[MAX_PATH];
wxChar tmpPath[MAX_PATH];
::GetTempPath(MAX_PATH, tmpPath);
::GetTempFileName(tmpPath, WXSTRINGCAST prefix, 0, tmp);
#endif
if (buf) wxStrcpy(buf, tmp);
else buf = copystring(tmp);
return buf;
#else
static short last_temp = 0; // cache last to speed things a bit
// At most 1000 temp files to a process! We use a ring count.
wxChar tmp[100]; // FIXME static buffer
for (short suffix = last_temp + 1; suffix != last_temp; ++suffix %= 1000)
{
wxSprintf (tmp, wxT("/tmp/%s%d.%03x"), WXSTRINGCAST prefix, (int) getpid (), (int) suffix);
if (!wxFileExists( tmp ))
{
// Touch the file to create it (reserve name)
FILE *fd = fopen (wxFNCONV(tmp), "w");
if (fd)
fclose (fd);
last_temp = suffix;
if (buf)
wxStrcpy( buf, tmp);
else
buf = copystring( tmp );
return buf;
}
}
wxLogError( _("wxWindows: error finding temporary file name.\n") );
if (buf) buf[0] = 0;
return (wxChar *) NULL;
#endif
}
bool wxGetTempFileName(const wxString& prefix, wxString& buf)
{
wxChar buf2[512];
if (wxGetTempFileName(prefix, buf2) != (wxChar*) NULL)
{
buf = buf2;
return TRUE;
}
else
return FALSE;
}
// Get first file name matching given wild card.
#ifdef __UNIX__
// Get first file name matching given wild card.
// Flags are reserved for future use.
#if !defined( __VMS__ ) || ( __VMS_VER >= 70000000 )
static DIR *gs_dirStream = (DIR *) NULL;
static wxString gs_strFileSpec;
static int gs_findFlags = 0;
#endif
wxString wxFindFirstFile(const wxChar *spec, int flags)
{
wxString result;
#ifdef __VMS
wxChar *specvms = NULL;
#endif
#if !defined( __VMS__ ) || ( __VMS_VER >= 70000000 )
if (gs_dirStream)
closedir(gs_dirStream); // edz 941103: better housekeping
gs_findFlags = flags;
gs_strFileSpec = spec;
// Find path only so we can concatenate
// found file onto path
wxString path(wxPathOnly(gs_strFileSpec));
// special case: path is really "/"
if ( !path && gs_strFileSpec[0u] == wxT('/') )
#ifdef __VMS
{
wxStrcpy( specvms , wxT( "[000000]" ) );
gs_strFileSpec = specvms;
wxString path_vms(wxPathOnly(gs_strFileSpec));
path = path_vms;
}
#else
path = wxT('/');
#endif
// path is empty => Local directory
if ( !path )
#ifdef __VMS
{
wxStrcpy( specvms , wxT( "[]" ) );
gs_strFileSpec = specvms;
wxString path_vms1(wxPathOnly(gs_strFileSpec));
path = path_vms1;
}
#else
path = wxT('.');
#endif
gs_dirStream = opendir(path.fn_str());
if ( !gs_dirStream )
{
wxLogSysError(_("Can not enumerate files in directory '%s'"),
path.c_str());
}
else
{
result = wxFindNextFile();
}
#endif // !VMS6.x or earlier
return result;
}
wxString wxFindNextFile()
{
wxString result;
#if !defined( __VMS__ ) || ( __VMS_VER >= 70000000 )
wxCHECK_MSG( gs_dirStream, result, wxT("must call wxFindFirstFile first") );
// Find path only so we can concatenate
// found file onto path
wxString path(wxPathOnly(gs_strFileSpec));
wxString name(wxFileNameFromPath(gs_strFileSpec));
/* MATTHEW: special case: path is really "/" */
if ( !path && gs_strFileSpec[0u] == wxT('/'))
path = wxT('/');
// Do the reading
struct dirent *nextDir;
for ( nextDir = readdir(gs_dirStream);
nextDir != NULL;
nextDir = readdir(gs_dirStream) )
{
if (wxMatchWild(name, nextDir->d_name, FALSE) && // RR: added FALSE to find hidden files
strcmp(nextDir->d_name, ".") &&
strcmp(nextDir->d_name, "..") )
{
result.Empty();
if ( !path.IsEmpty() )
{
result = path;
if ( path != wxT('/') )
result += wxT('/');
}
result += nextDir->d_name;
// Only return "." and ".." when they match
bool isdir;
if ( (strcmp(nextDir->d_name, ".") == 0) ||
(strcmp(nextDir->d_name, "..") == 0))
{
if ( (gs_findFlags & wxDIR) != 0 )
isdir = TRUE;
else
continue;
}
else
isdir = wxDirExists(result);
// and only return directories when flags & wxDIR
if ( !gs_findFlags ||
((gs_findFlags & wxDIR) && isdir) ||
((gs_findFlags & wxFILE) && !isdir) )
{
return result;
}
}
}
result.Empty(); // not found
closedir(gs_dirStream);
gs_dirStream = (DIR *) NULL;
#endif // !VMS6.2 or earlier
return result;
}
#elif defined(__WXMAC__)
struct MacDirectoryIterator
{
CInfoPBRec m_CPB ;
wxInt16 m_index ;
long m_dirId ;
Str255 m_name ;
} ;
static int g_iter_flags ;
static MacDirectoryIterator g_iter ;
wxString wxFindFirstFile(const wxChar *spec, int flags)
{
wxString result;
g_iter_flags = flags; /* MATTHEW: [5] Remember flags */
// Find path only so we can concatenate found file onto path
wxString path(wxPathOnly(spec));
if ( !path.IsEmpty() )
result << path << wxT('\\');
FSSpec fsspec ;
wxUnixFilename2FSSpec( result , &fsspec ) ;
g_iter.m_CPB.hFileInfo.ioVRefNum = fsspec.vRefNum ;
g_iter.m_CPB.hFileInfo.ioNamePtr = g_iter.m_name ;
g_iter.m_index = 0 ;
Boolean isDir ;
FSpGetDirectoryID( &fsspec , &g_iter.m_dirId , &isDir ) ;
if ( !isDir )
return wxEmptyString ;
return wxFindNextFile( ) ;
}
wxString wxFindNextFile()
{
wxString result;
short err = noErr ;
while ( err == noErr )
{
g_iter.m_index++ ;
g_iter.m_CPB.dirInfo.ioFDirIndex = g_iter.m_index;
g_iter.m_CPB.dirInfo.ioDrDirID = g_iter.m_dirId; /* we need to do this every time */
err = PBGetCatInfoSync((CInfoPBPtr)&g_iter.m_CPB);
if ( err != noErr )
break ;
if ( ( g_iter.m_CPB.dirInfo.ioFlAttrib & ioDirMask) != 0 && (g_iter_flags & wxDIR) ) // we have a directory
break ;
if ( ( g_iter.m_CPB.dirInfo.ioFlAttrib & ioDirMask) == 0 && !(g_iter_flags & wxFILE ) )
continue ;
// hit !
break ;
}
if ( err != noErr )
{
return wxEmptyString ;
}
FSSpec spec ;
FSMakeFSSpecCompat(g_iter.m_CPB.hFileInfo.ioVRefNum,
g_iter.m_dirId,
g_iter.m_name,
&spec) ;
return wxMacFSSpec2UnixFilename( &spec ) ;
}
#elif defined(__WXMSW__)
#ifdef __WIN32__
static HANDLE gs_hFileStruct = INVALID_HANDLE_VALUE;
static WIN32_FIND_DATA gs_findDataStruct;
#else // Win16
#ifdef __BORLANDC__
static struct ffblk gs_findDataStruct;
#else
static struct _find_t gs_findDataStruct;
#endif // Borland
#endif // Win32/16
static wxString gs_strFileSpec;
static int gs_findFlags = 0;
wxString wxFindFirstFile(const wxChar *spec, int flags)
{
wxString result;
gs_strFileSpec = spec;
gs_findFlags = flags; /* MATTHEW: [5] Remember flags */
// Find path only so we can concatenate found file onto path
wxString path(wxPathOnly(gs_strFileSpec));
if ( !path.IsEmpty() )
result << path << wxT('\\');
#ifdef __WIN32__
if ( gs_hFileStruct != INVALID_HANDLE_VALUE )
FindClose(gs_hFileStruct);
gs_hFileStruct = ::FindFirstFile(WXSTRINGCAST spec, &gs_findDataStruct);
if ( gs_hFileStruct == INVALID_HANDLE_VALUE )
{
result.Empty();
return result;
}
bool isdir = !!(gs_findDataStruct.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY);
if (isdir && !(flags & wxDIR))
return wxFindNextFile();
else if (!isdir && flags && !(flags & wxFILE))
return wxFindNextFile();
result += gs_findDataStruct.cFileName;
return result;
#else // !Win32
int flag = _A_NORMAL;
if (flags & wxDIR)
flag = _A_SUBDIR;
#ifdef __BORLANDC__
if (findfirst(WXSTRINGCAST spec, &gs_findDataStruct, flag) == 0)
#else
if (_dos_findfirst(WXSTRINGCAST spec, flag, &gs_findDataStruct) == 0)
#endif
{
char attrib;
#ifdef __BORLANDC__
attrib = gs_findDataStruct.ff_attrib;
#else
attrib = gs_findDataStruct.attrib;
#endif
if (attrib & _A_SUBDIR) {
if (!(gs_findFlags & wxDIR))
return wxFindNextFile();
} else if (gs_findFlags && !(gs_findFlags & wxFILE))
return wxFindNextFile();
result +=
#ifdef __BORLANDC__
gs_findDataStruct.ff_name
#else
gs_findDataStruct.name
#endif
;
}
return result;
#endif // __WIN32__
}
wxString wxFindNextFile()
{
wxString result;
// Find path only so we can concatenate found file onto path
wxString path(wxPathOnly(gs_strFileSpec));
try_again:
#ifdef __WIN32__
if (gs_hFileStruct == INVALID_HANDLE_VALUE)
return result;
bool success = (FindNextFile(gs_hFileStruct, &gs_findDataStruct) != 0);
if (!success)
{
FindClose(gs_hFileStruct);
gs_hFileStruct = INVALID_HANDLE_VALUE;
}
else
{
bool isdir = !!(gs_findDataStruct.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY);
if (isdir && !(gs_findFlags & wxDIR))
goto try_again;
else if (!isdir && gs_findFlags && !(gs_findFlags & wxFILE))
goto try_again;
if ( !path.IsEmpty() )
result << path << wxT('\\');
result << gs_findDataStruct.cFileName;
}
return result;
#else // Win16
#ifdef __BORLANDC__
if (findnext(&gs_findDataStruct) == 0)
#else
if (_dos_findnext(&gs_findDataStruct) == 0)
#endif
{
/* MATTHEW: [5] Check directory flag */
char attrib;
#ifdef __BORLANDC__
attrib = gs_findDataStruct.ff_attrib;
#else
attrib = gs_findDataStruct.attrib;
#endif
if (attrib & _A_SUBDIR) {
if (!(gs_findFlags & wxDIR))
goto try_again;
} else if (gs_findFlags && !(gs_findFlags & wxFILE))
goto try_again;
result +=
#ifdef __BORLANDC__
gs_findDataStruct.ff_name
#else
gs_findDataStruct.name
#endif
;
}
return result;
#endif // Win32/16
}
#elif defined(__WXPM__)
wxString wxFindFirstFile(const wxChar *spec, int flags)
{
wxString result;
/*
// TODO: figure something out here for OS/2
gs_strFileSpec = spec;
gs_findFlags = flags;
// Find path only so we can concatenate found file onto path
wxString path(wxPathOnly(gs_strFileSpec));
if ( !path.IsEmpty() )
result << path << wxT('\\');
int flag = _A_NORMAL;
if (flags & wxDIR)
flag = _A_SUBDIR;
if (_dos_findfirst(WXSTRINGCAST spec, flag, &gs_findDataStruct) == 0)
{
char attrib;
attrib = gs_findDataStruct.attrib;
if (attrib & _A_SUBDIR) {
if (!(gs_findFlags & wxDIR))
return wxFindNextFile();
} else if (gs_findFlags && !(gs_findFlags & wxFILE))
return wxFindNextFile();
result += gs_findDataStruct.name;
}
*/
return result;
}
wxString wxFindNextFile()
{
wxString result;
// TODO:
return result;
}
#endif // Unix/Windows/OS/2
// Get current working directory.
// If buf is NULL, allocates space using new, else
// copies into buf.
wxChar *wxGetWorkingDirectory(wxChar *buf, int sz)
{
if (!buf)
buf = new wxChar[sz+1];
#if wxUSE_UNICODE
char *cbuf = new char[sz+1];
#ifdef _MSC_VER
if (_getcwd(cbuf, sz) == NULL) {
#elif defined(__WXMAC__) && !defined(__UNIX__)
enum
{
SFSaveDisk = 0x214, CurDirStore = 0x398
};
FSSpec cwdSpec ;
FSMakeFSSpec( - *(short *) SFSaveDisk , *(long *) CurDirStore , NULL , &cwdSpec ) ;
wxString res = wxMacFSSpec2UnixFilename( &cwdSpec ) ;
strcpy( buf , res ) ;
if (0) {
#else
if (getcwd(cbuf, sz) == NULL) {
#endif
delete [] cbuf;
#else // wxUnicode
#ifdef _MSC_VER
if (_getcwd(buf, sz) == NULL) {
#elif defined(__WXMAC__) && !defined(__UNIX__)
FSSpec cwdSpec ;
FCBPBRec pb;
OSErr error;
Str255 fileName ;
pb.ioNamePtr = (StringPtr) &fileName;
pb.ioVRefNum = 0;
pb.ioRefNum = LMGetCurApRefNum();
pb.ioFCBIndx = 0;
error = PBGetFCBInfoSync(&pb);
if ( error == noErr )
{
cwdSpec.vRefNum = pb.ioFCBVRefNum;
cwdSpec.parID = pb.ioFCBParID;
cwdSpec.name[0] = 0 ;
wxString res = wxMacFSSpec2UnixFilename( &cwdSpec ) ;
strcpy( buf , res ) ;
buf[res.length()-1]=0 ;
}
else
buf[0] = 0 ;
/*
this version will not always give back the application directory on mac
enum
{
SFSaveDisk = 0x214, CurDirStore = 0x398
};
FSSpec cwdSpec ;
FSMakeFSSpec( - *(short *) SFSaveDisk , *(long *) CurDirStore , NULL , &cwdSpec ) ;
wxString res = wxMacFSSpec2UnixFilename( &cwdSpec ) ;
strcpy( buf , res ) ;
*/
if (0) {
#elif(__VISAGECPP__)
APIRET rc;
rc = ::DosQueryCurrentDir( 0 // current drive
,buf
,(PULONG)&sz
);
if (rc != 0) {
#else
if (getcwd(buf, sz) == NULL) {
#endif
#endif
buf[0] = wxT('.');
buf[1] = wxT('\0');
}
#if wxUSE_UNICODE
else {
wxConvFile.MB2WC(buf, cbuf, sz);
delete [] cbuf;
}
#endif
return buf;
}
wxString wxGetCwd()
{
static const size_t maxPathLen = 1024;
wxString str;
wxGetWorkingDirectory(str.GetWriteBuf(maxPathLen), maxPathLen);
str.UngetWriteBuf();
return str;
}
bool wxSetWorkingDirectory(const wxString& d)
{
#if defined( __UNIX__ ) || defined( __WXMAC__ )
return (chdir(wxFNSTRINGCAST d.fn_str()) == 0);
#elif defined(__WXPM__)
return (::DosSetCurrentDir((PSZ)d.c_str()) == 0);
#elif defined(__WINDOWS__)
#ifdef __WIN32__
return (bool)(SetCurrentDirectory(d) != 0);
#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 __WINDOWS__
wxChar buf[256];
GetWindowsDirectory(buf, 256);
return wxString(buf);
#else
return wxEmptyString;
#endif
}
bool wxEndsWithPathSeparator(const wxChar *pszFileName)
{
size_t len = wxStrlen(pszFileName);
if ( len == 0 )
return FALSE;
else
return 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 ( FileExists(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);
}
time_t WXDLLEXPORT wxFileModificationTime(const wxString& filename)
{
wxStructStat buf;
wxStat(filename.fn_str(), &buf);
return buf.st_mtime;
}
//------------------------------------------------------------------------
// 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;
};
bool wxMatchWild( const wxString& pat, const wxString& text, bool dot_special )
#if defined(HAVE_FNMATCH_H)
{
// this probably won't work well for multibyte chars in Unicode mode?
if(dot_special)
return fnmatch(pat.fn_str(), text.fn_str(), FNM_PERIOD) == 0;
else
return fnmatch(pat.fn_str(), text.fn_str(), 0) == 0;
}
#else
// #pragma error Broken implementation of wxMatchWild() -- needs fixing!
/*
* WARNING: this code is broken!
*/
{
wxString tmp1 = pat;
wxChar *pattern = WXSTRINGCAST(tmp1);
wxString tmp2 = text;
wxChar *str = WXSTRINGCAST(tmp2);
wxChar c;
wxChar *cp;
bool done = FALSE, ret_code, ok;
// Below is for vi fans
const wxChar OB = wxT('{'), CB = wxT('}');
// dot_special means '.' only matches '.'
if (dot_special && *str == wxT('.') && *pattern != *str)
return FALSE;
while ((*pattern != wxT('\0')) && (!done)
&& (((*str==wxT('\0'))&&((*pattern==OB)||(*pattern==wxT('*'))))||(*str!=wxT('\0')))) {
switch (*pattern) {
case wxT('\\'):
pattern++;
if (*pattern != wxT('\0'))
pattern++;
break;
case wxT('*'):
pattern++;
ret_code = FALSE;
while ((*str!=wxT('\0'))
&& (!(ret_code=wxMatchWild(pattern, str++, FALSE))))
/*loop*/;
if (ret_code) {
while (*str != wxT('\0'))
str++;
while (*pattern != wxT('\0'))
pattern++;
}
break;
case wxT('['):
pattern++;
repeat:
if ((*pattern == wxT('\0')) || (*pattern == wxT(']'))) {
done = TRUE;
break;
}
if (*pattern == wxT('\\')) {
pattern++;
if (*pattern == wxT('\0')) {
done = TRUE;
break;
}
}
if (*(pattern + 1) == wxT('-')) {
c = *pattern;
pattern += 2;
if (*pattern == wxT(']')) {
done = TRUE;
break;
}
if (*pattern == wxT('\\')) {
pattern++;
if (*pattern == wxT('\0')) {
done = TRUE;
break;
}
}
if ((*str < c) || (*str > *pattern)) {
pattern++;
goto repeat;
}
} else if (*pattern != *str) {
pattern++;
goto repeat;
}
pattern++;
while ((*pattern != wxT(']')) && (*pattern != wxT('\0'))) {
if ((*pattern == wxT('\\')) && (*(pattern + 1) != wxT('\0')))
pattern++;
pattern++;
}
if (*pattern != wxT('\0')) {
pattern++, str++;
}
break;
case wxT('?'):
pattern++;
str++;
break;
case OB:
pattern++;
while ((*pattern != CB) && (*pattern != wxT('\0'))) {
cp = str;
ok = TRUE;
while (ok && (*cp != wxT('\0')) && (*pattern != wxT('\0'))
&& (*pattern != wxT(',')) && (*pattern != CB)) {
if (*pattern == wxT('\\'))
pattern++;
ok = (*pattern++ == *cp++);
}
if (*pattern == wxT('\0')) {
ok = FALSE;
done = TRUE;
break;
} else if (ok) {
str = cp;
while ((*pattern != CB) && (*pattern != wxT('\0'))) {
if (*++pattern == wxT('\\')) {
if (*++pattern == CB)
pattern++;
}
}
} else {
while (*pattern!=CB && *pattern!=wxT(',') && *pattern!=wxT('\0')) {
if (*++pattern == wxT('\\')) {
if (*++pattern == CB || *pattern == wxT(','))
pattern++;
}
}
}
if (*pattern != wxT('\0'))
pattern++;
}
break;
default:
if (*str == *pattern) {
str++, pattern++;
} else {
done = TRUE;
}
}
}
while (*pattern == wxT('*'))
pattern++;
return ((*str == wxT('\0')) && (*pattern == wxT('\0')));
};
#endif
#ifdef __VISUALC__
#pragma warning(default:4706) // assignment within conditional expression
#endif // VC++