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eac2aeb01ee8c61d573e3b23768e74248927c04c
wxWidgets/src/common/filefn.cpp
Vadim Zeitlin eac2aeb01e wxGetCwd fixed 
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@2092 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
1999-04-11 23:19:48 +00:00

1773 lines
42 KiB
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/////////////////////////////////////////////////////////////////////////////
// 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
/////////////////////////////////////////////////////////////////////////////
#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
#ifndef WX_PRECOMP
#include "wx/defs.h"
#endif
#include "wx/utils.h"
#include <wx/intl.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>
#endif
#ifdef __UNIX__
#include <unistd.h>
#include <dirent.h>
#endif
#ifdef __WINDOWS__
#if !defined( __GNUWIN32__ ) && !defined( __MWERKS__ ) && !defined(__SALFORDC__)
#include <direct.h>
#include <dos.h>
#endif // __WINDOWS__
#endif // native Win compiler
#ifdef __GNUWIN32__
#ifndef __TWIN32__
#include <sys/unistd.h>
#endif
#define stricmp strcasecmp
#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
#define _MAXPATHLEN 500
extern char *wxBuffer;
#ifdef __WXMAC__
extern char gwxMacFileName[] ;
extern char gwxMacFileName2[] ;
extern char gwxMacFileName3[] ;
#endif
#if !USE_SHARED_LIBRARIES
IMPLEMENT_DYNAMIC_CLASS(wxPathList, wxStringList)
#endif
void wxPathList::Add (const wxString& path)
{
wxStringList::Add ((char *)(const char *)path);
}
// Add paths e.g. from the PATH environment variable
void wxPathList::AddEnvList (const wxString& envVariable)
{
static const char PATH_TOKS[] =
#ifdef __WINDOWS__
" ;"; // Don't seperate with colon in DOS (used for drive)
#else
" :;";
#endif
char *val = getenv (WXSTRINGCAST envVariable);
if (val && *val)
{
char *s = copystring (val);
char *token = strtok (s, PATH_TOKS);
if (token)
{
Add (copystring (token));
while (token)
{
if ((token = strtok ((char *) NULL, PATH_TOKS)) != NULL)
Add (wxString(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((char *) 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(wxBuffer, file)))
return wxString(wxBuffer);
char buf[_MAXPATHLEN];
strcpy(buf, wxBuffer);
char *filename = (char*) NULL; /* shut up buggy egcs warning */
filename = IsAbsolutePath (buf) ? wxFileNameFromPath (buf) : (char *)buf;
for (wxNode * node = First (); node; node = node->Next ())
{
char *path = (char *) node->Data ();
strcpy (wxBuffer, path);
char ch = wxBuffer[strlen(wxBuffer)-1];
if (ch != '\\' && ch != '/')
strcat (wxBuffer, "/");
strcat (wxBuffer, filename);
#ifdef __WINDOWS__
Unix2DosFilename (wxBuffer);
#endif
if (wxFileExists (wxBuffer))
{
return wxString(wxBuffer); // Found!
}
} // for()
return wxString(""); // Not found
}
wxString wxPathList::FindAbsoluteValidPath (const wxString& file)
{
wxString f = FindValidPath(file);
if (wxIsAbsolutePath(f))
return f;
else
{
char buf[500];
wxGetWorkingDirectory(buf, 499);
int len = (int)strlen(buf);
char lastCh = 0;
if (len > 0)
lastCh = buf[len-1];
if (lastCh != '/' && lastCh != '\\')
{
#ifdef __WINDOWS__
strcat(buf, "\\");
#else
strcat(buf, "/");
#endif
}
strcat(buf, (const char *)f);
strcpy(wxBuffer, buf);
return wxString(wxBuffer);
}
}
bool
wxFileExists (const wxString& filename)
{
#ifdef __GNUWIN32__ // (fix a B20 bug)
if (GetFileAttributes(filename) == 0xFFFFFFFF)
return FALSE;
else
return TRUE;
#elif defined(__WXMAC__)
struct stat stbuf;
strcpy( gwxMacFileName , filename ) ;
wxUnix2MacFilename( gwxMacFileName ) ;
if (gwxMacFileName && stat ((char *)(const char *)gwxMacFileName, &stbuf) == 0)
return TRUE;
return FALSE ;
#else
#ifdef __SALFORDC__
struct _stat stbuf;
#else
struct stat stbuf;
#endif
if ((filename != "") && stat ((char *)(const char *)filename, &stbuf) == 0)
return TRUE;
return FALSE;
#endif
}
/* Vadim's alternative implementation
// does the file exist?
bool wxFileExists(const char *pszFileName)
{
struct stat st;
return !access(pszFileName, 0) &&
!stat(pszFileName, &st) &&
(st.st_mode & S_IFREG);
}
*/
bool
wxIsAbsolutePath (const wxString& filename)
{
if (filename != "")
{
if (filename[0] == '/'
#ifdef __VMS__
|| (filename[0] == '[' && filename[1] != '.')
#endif
#ifdef __WINDOWS__
/* MSDOS */
|| filename[0] == '\\' || (isalpha (filename[0]) && filename[1] == ':')
#endif
)
return TRUE;
}
return FALSE;
}
/*
* Strip off any extension (dot something) from end of file,
* IF one exists. Inserts zero into buffer.
*
*/
void wxStripExtension(char *buffer)
{
int len = strlen(buffer);
int i = len-1;
while (i > 0)
{
if (buffer[i] == '.')
{
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) == '.')
{
buffer = buffer.Left(i);
break;
}
i --;
}
}
// Destructive removal of /./ and /../ stuff
char *wxRealPath (char *path)
{
#ifdef __WXMSW__
static const char SEP = '\\';
Unix2DosFilename(path);
#else
static const char SEP = '/';
#endif
if (path[0] && path[1]) {
/* MATTHEW: special case "/./x" */
char *p;
if (path[2] == SEP && path[1] == '.')
p = &path[0];
else
p = &path[2];
for (; *p; p++)
{
if (*p == SEP)
{
if (p[1] == '.' && p[2] == '.' && (p[3] == SEP || p[3] == '\0'))
{
char *q;
for (q = p - 1; q >= path && *q != SEP; q--);
if (q[0] == SEP && (q[1] != '.' || q[2] != '.' || q[3] != SEP)
&& (q - 1 <= path || q[-1] != SEP))
{
strcpy (q, p + 3);
if (path[0] == '\0')
{
path[0] = SEP;
path[1] = '\0';
}
#ifdef __WXMSW__
/* Check that path[2] is NULL! */
else if (path[1] == ':' && !path[2])
{
path[2] = SEP;
path[3] = '\0';
}
#endif
p = q - 1;
}
}
else if (p[1] == '.' && (p[2] == SEP || p[2] == '\0'))
strcpy (p, p + 2);
}
}
}
return path;
}
// Must be destroyed
char *wxCopyAbsolutePath(const wxString& filename)
{
if (filename == "")
return (char *) NULL;
if (! IsAbsolutePath(wxExpandPath(wxBuffer, filename))) {
char buf[_MAXPATHLEN];
buf[0] = '\0';
wxGetWorkingDirectory(buf, WXSIZEOF(buf));
char ch = buf[strlen(buf) - 1];
#ifdef __WXMSW__
if (ch != '\\' && ch != '/')
strcat(buf, "\\");
#else
if (ch != '/')
strcat(buf, "/");
#endif
strcat(buf, wxBuffer);
return copystring( wxRealPath(buf) );
}
return copystring( wxBuffer );
}
/*-
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. */
char *wxExpandPath(char *buf, const char *name)
{
register char *d, *s, *nm;
char lnm[_MAXPATHLEN];
int q;
// Some compilers don't like this line.
// const char trimchars[] = "\n \t";
char trimchars[4];
trimchars[0] = '\n';
trimchars[1] = ' ';
trimchars[2] = '\t';
trimchars[3] = 0;
#ifdef __WXMSW__
const char SEP = '\\';
#else
const char SEP = '/';
#endif
buf[0] = '\0';
if (name == NULL || *name == '\0')
return buf;
nm = copystring(name); // Make a scratch copy
char *nm_tmp = nm;
/* Skip leading whitespace and cr */
while (strchr((char *)trimchars, *nm) != NULL)
nm++;
/* And strip off trailing whitespace and cr */
s = nm + (q = strlen(nm)) - 1;
while (q-- && strchr((char *)trimchars, *s) != NULL)
*s = '\0';
s = nm;
d = lnm;
#ifdef __WXMSW__
q = FALSE;
#else
q = nm[0] == '\\' && nm[1] == '~';
#endif
/* Expand inline environment variables */
while ((*d++ = *s)) {
#ifndef __WXMSW__
if (*s == '\\') {
if ((*(d - 1) = *++s)) {
s++;
continue;
} else
break;
} else
#endif
#ifdef __WXMSW__
if (*s++ == '$' && (*s == '{' || *s == ')'))
#else
if (*s++ == '$')
#endif
{
register char *start = d;
register int braces = (*s == '{' || *s == '(');
register char *value;
while ((*d++ = *s))
if (braces ? (*s == '}' || *s == ')') : !(isalnum(*s) || *s == '_') )
break;
else
s++;
*--d = 0;
value = getenv(braces ? start + 1 : start);
if (value) {
for ((d = start - 1); (*d++ = *value++););
d--;
if (braces && *s)
s++;
}
}
}
/* Expand ~ and ~user */
nm = lnm;
s = "";
if (nm[0] == '~' && !q)
{
/* prefix ~ */
if (nm[1] == SEP || nm[1] == 0)
{ /* ~/filename */
if ((s = wxGetUserHome("")) != NULL) {
if (*++nm)
nm++;
}
} else
{ /* ~user/filename */
register char *nnm;
register char *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;
if ((home = wxGetUserHome(wxString(nm + 1))) == NULL) {
if (was_sep) /* replace only if it was there: */
*s = SEP;
s = "";
} else {
nm = nnm;
s = home;
}
}
}
d = buf;
if (s && *s) { /* MATTHEW: s could be NULL if user '~' didn't exist */
/* Copy home dir */
while ('\0' != (*d++ = *s++))
/* loop */;
// Handle root home
if (d - 1 > buf && *(d - 2) != SEP)
*(d - 1) = SEP;
}
s = nm;
while ((*d++ = *s++));
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 --> ${OPENWINHOME}/lib
The call wxExpandPath can convert these back!
*/
char *
wxContractPath (const wxString& filename, const wxString& envname, const wxString& user)
{
static char dest[_MAXPATHLEN];
if (filename == "")
return (char *) NULL;
strcpy (dest, WXSTRINGCAST filename);
#ifdef __WXMSW__
Unix2DosFilename(dest);
#endif
// Handle environment
char *val = (char *) NULL;
char *tcp = (char *) NULL;
if (envname != WXSTRINGCAST NULL && (val = getenv (WXSTRINGCAST envname)) != NULL &&
(tcp = strstr (dest, val)) != NULL)
{
strcpy (wxBuffer, tcp + strlen (val));
*tcp++ = '$';
*tcp++ = '{';
strcpy (tcp, WXSTRINGCAST envname);
strcat (tcp, "}");
strcat (tcp, wxBuffer);
}
// Handle User's home (ignore root homes!)
size_t len = 0;
if ((val = wxGetUserHome (user)) != NULL &&
(len = strlen(val)) > 2 &&
strncmp(dest, val, len) == 0)
{
strcpy(wxBuffer, "~");
if (user != "")
strcat(wxBuffer, (const char*) user);
#ifdef __WXMSW__
// strcat(wxBuffer, "\\");
#else
// strcat(wxBuffer, "/");
#endif
strcat(wxBuffer, dest + len);
strcpy (dest, wxBuffer);
}
return dest;
}
// Return just the filename, not the path
// (basename)
char *wxFileNameFromPath (char *path)
{
if (path)
{
register char *tcp;
tcp = path + strlen (path);
while (--tcp >= path)
{
if (*tcp == '/' || *tcp == '\\'
#ifdef __VMS__
|| *tcp == ':' || *tcp == ']')
#else
)
#endif
return tcp + 1;
} /* while */
#ifdef __WXMSW__
if (isalpha (*path) && *(path + 1) == ':')
return path + 2;
#endif
}
return path;
}
wxString wxFileNameFromPath (const wxString& path1)
{
if (path1 != "")
{
char *path = WXSTRINGCAST path1 ;
register char *tcp;
tcp = path + strlen (path);
while (--tcp >= path)
{
if (*tcp == '/' || *tcp == '\\'
#ifdef __VMS__
|| *tcp == ':' || *tcp == ']')
#else
)
#endif
return wxString(tcp + 1);
} /* while */
#ifdef __WXMSW__
if (isalpha (*path) && *(path + 1) == ':')
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
char *
wxPathOnly (char *path)
{
if (path && *path)
{
static char buf[_MAXPATHLEN];
// Local copy
strcpy (buf, path);
int l = strlen(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] == '/' || path[i] == '\\' || path[i] == ']')
{
done = TRUE;
#ifdef __VMS__
buf[i+1] = 0;
#else
buf[i] = 0;
#endif
return buf;
}
else i --;
}
#ifdef __WXMSW__
// Try Drive specifier
if (isalpha (buf[0]) && buf[1] == ':')
{
// A:junk --> A:. (since A:.\junk Not A:\junk)
buf[2] = '.';
buf[3] = '\0';
return buf;
}
#endif
}
return (char *) NULL;
}
// Return just the directory, or NULL if no directory
wxString wxPathOnly (const wxString& path)
{
if (path != "")
{
char buf[_MAXPATHLEN];
// Local copy
strcpy (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] == '/' || path[i] == '\\' || path[i] == ']')
{
done = TRUE;
#ifdef __VMS__
buf[i+1] = 0;
#else
buf[i] = 0;
#endif
return wxString(buf);
}
else i --;
}
#ifdef __WXMSW__
// Try Drive specifier
if (isalpha (buf[0]) && buf[1] == ':')
{
// A:junk --> A:. (since A:.\junk Not A:\junk)
buf[2] = '.';
buf[3] = '\0';
return wxString(buf);
}
#endif
}
return wxString("");
}
// 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.
#ifdef __WXMAC__
void
wxMac2UnixFilename (char *s)
{
if (s)
{
memmove( s+1 , s ,strlen( s ) + 1) ;
if ( *s == ':' )
*s = '.' ;
else
*s = '/' ;
while (*s)
{
if (*s == ':')
*s = '/';
else
*s = tolower(*s); // Case INDEPENDENT
s++;
}
}
}
void
wxUnix2MacFilename (char *s)
{
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 == '\\')
*s = ':';
s++ ;
}
}
}
#endif
void
wxDos2UnixFilename (char *s)
{
if (s)
while (*s)
{
if (*s == '\\')
*s = '/';
#ifdef __WXMSW__
else
*s = tolower(*s); // Case INDEPENDENT
#endif
s++;
}
}
void
#ifdef __WXMSW__
wxUnix2DosFilename (char *s)
#else
wxUnix2DosFilename (char *WXUNUSED(s))
#endif
{
// Yes, I really mean this to happen under DOS only! JACS
#ifdef __WXMSW__
if (s)
while (*s)
{
if (*s == '/')
*s = '\\';
s++;
}
#endif
}
// Concatenate two files to form third
bool
wxConcatFiles (const wxString& file1, const wxString& file2, const wxString& file3)
{
char *outfile = wxGetTempFileName("cat");
FILE *fp1 = (FILE *) NULL;
FILE *fp2 = (FILE *) NULL;
FILE *fp3 = (FILE *) NULL;
// Open the inputs and outputs
#ifdef __WXMAC__
strcpy( gwxMacFileName , file1 ) ;
wxUnix2MacFilename( gwxMacFileName ) ;
strcpy( gwxMacFileName2 , file2) ;
wxUnix2MacFilename( gwxMacFileName2 ) ;
strcpy( gwxMacFileName3 , outfile) ;
wxUnix2MacFilename( gwxMacFileName3 ) ;
if ((fp1 = fopen (gwxMacFileName, "rb")) == NULL ||
(fp2 = fopen (gwxMacFileName2, "rb")) == NULL ||
(fp3 = fopen (gwxMacFileName3, "wb")) == NULL)
#else
if ((fp1 = fopen (WXSTRINGCAST file1, "rb")) == NULL ||
(fp2 = fopen (WXSTRINGCAST file2, "rb")) == NULL ||
(fp3 = fopen (outfile, "wb")) == NULL)
#endif
{
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);
delete[] outfile;
return result;
}
// Copy files
bool
wxCopyFile (const wxString& file1, const wxString& file2)
{
FILE *fd1;
FILE *fd2;
int ch;
#ifdef __WXMAC__
strcpy( gwxMacFileName , file1 ) ;
wxUnix2MacFilename( gwxMacFileName ) ;
strcpy( gwxMacFileName2 , file2) ;
wxUnix2MacFilename( gwxMacFileName2 ) ;
if ((fd1 = fopen (gwxMacFileName, "rb")) == NULL)
return FALSE;
if ((fd2 = fopen (gwxMacFileName2, "wb")) == NULL)
#else
if ((fd1 = fopen (WXSTRINGCAST file1, "rb")) == NULL)
return FALSE;
if ((fd2 = fopen (WXSTRINGCAST file2, "wb")) == NULL)
#endif
{
fclose (fd1);
return FALSE;
}
while ((ch = getc (fd1)) != EOF)
(void) putc (ch, fd2);
fclose (fd1);
fclose (fd2);
return TRUE;
}
bool
wxRenameFile (const wxString& file1, const wxString& file2)
{
#ifdef __WXMAC__
strcpy( gwxMacFileName , file1 ) ;
wxUnix2MacFilename( gwxMacFileName ) ;
strcpy( gwxMacFileName2 , file2) ;
wxUnix2MacFilename( gwxMacFileName2 ) ;
if (0 == rename (gwxMacFileName, gwxMacFileName2))
return TRUE;
#else
// Normal system call
if (0 == rename (WXSTRINGCAST file1, WXSTRINGCAST file2))
return TRUE;
#endif
// 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 flag = remove(WXSTRINGCAST file);
#elif defined( __WXMAC__ )
strcpy( gwxMacFileName , file ) ;
wxUnix2MacFilename( gwxMacFileName ) ;
int flag = unlink(gwxMacFileName);
#else
int flag = unlink(WXSTRINGCAST file);
#endif
return (flag == 0) ;
}
bool wxMkdir(const wxString& dir, int perm)
{
#if defined( __WXMAC__ )
strcpy( gwxMacFileName , dir ) ;
wxUnix2MacFilename( gwxMacFileName ) ;
const char *dirname = gwxMacFileName;
#else // !Mac
const char *dirname = dir.c_str();
#endif // Mac/!Mac
// assume mkdir() has 2 args on non Windows platforms and on Windows too
// for the GNU compiler
#if !defined(__WXMSW__) || (defined(__GNUWIN32__) && !defined(__MINGW32__))
if ( mkdir(dirname, perm) != 0 )
#else // MSW
if ( mkdir(dirname) != 0 )
#endif // !MSW/MSW
{
wxLogSysError(_("Directory '%s' couldn't be created"), dirname);
return FALSE;
}
return TRUE;
}
bool wxRmdir(const wxString& dir, int WXUNUSED(flags))
{
#ifdef __VMS__
return FALSE;
#elif defined( __WXMAC__ )
strcpy( gwxMacFileName , dir ) ;
wxUnix2MacFilename( gwxMacFileName ) ;
return (rmdir(WXSTRINGCAST gwxMacFileName) == 0);
#else
#ifdef __SALFORDC__
return FALSE; // What to do?
#else
return (rmdir(WXSTRINGCAST dir) == 0);
#endif
#endif
}
#if 0
bool wxDirExists(const wxString& dir)
{
#ifdef __VMS__
return FALSE;
#elif !defined(__WXMSW__)
struct stat sbuf;
return (stat(dir, &sbuf) != -1) && S_ISDIR(sbuf.st_mode) ? TRUE : FALSE;
#else
/* MATTHEW: [6] Always use same code for Win32, call FindClose */
#if defined(__WIN32__)
WIN32_FIND_DATA fileInfo;
#else
#ifdef __BORLANDC__
struct ffblk fileInfo;
#else
struct find_t fileInfo;
#endif
#endif
#if defined(__WIN32__)
HANDLE h = FindFirstFile((LPTSTR) WXSTRINGCAST dir,(LPWIN32_FIND_DATA)&fileInfo);
if (h==INVALID_HANDLE_VALUE)
return FALSE;
else {
FindClose(h);
return ((fileInfo.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) == FILE_ATTRIBUTE_DIRECTORY);
}
#else
// In Borland findfirst has a different argument
// ordering from _dos_findfirst. But _dos_findfirst
// _should_ be ok in both MS and Borland... why not?
#ifdef __BORLANDC__
return ((findfirst(WXSTRINGCAST dir, &fileInfo, _A_SUBDIR) == 0 && (fileInfo.ff_attrib & _A_SUBDIR) != 0));
#else
return (((_dos_findfirst(WXSTRINGCAST dir, _A_SUBDIR, &fileInfo) == 0) && (fileInfo.attrib & _A_SUBDIR)) != 0);
#endif
#endif
#endif
}
#endif
// does the path exists? (may have or not '/' or '\\' at the end)
bool wxPathExists(const char *pszPathName)
{
// Windows API returns -1 from stat for "c:\dir\" if "c:\dir" exists
// OTOH, we should change "d:" to "d:\" and leave "\" as is.
wxString strPath(pszPathName);
if ( wxEndsWithPathSeparator(pszPathName) && pszPathName[1] != '\0' )
strPath.Last() = '\0';
#ifdef __SALFORDC__
struct _stat st;
#else
struct stat st;
#endif
return stat((char*) (const char*) strPath, &st) == 0 && (st.st_mode & S_IFDIR);
}
// Get a temporary filename, opening and closing the file.
char *wxGetTempFileName(const wxString& prefix, char *buf)
{
#ifdef __WINDOWS__
#ifndef __WIN32__
char tmp[144];
::GetTempFileName(0, WXSTRINGCAST prefix, 0, tmp);
#else
char tmp[MAX_PATH];
char tmpPath[MAX_PATH];
::GetTempPath(MAX_PATH, tmpPath);
::GetTempFileName(tmpPath, WXSTRINGCAST prefix, 0, tmp);
#endif
if (buf) strcpy(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.
char tmp[100]; // FIXME static buffer
for (short suffix = last_temp + 1; suffix != last_temp; ++suffix %= 1000)
{
sprintf (tmp, "/tmp/%s%d.%03x", WXSTRINGCAST prefix, (int) getpid (), (int) suffix);
if (!wxFileExists( tmp ))
{
// Touch the file to create it (reserve name)
FILE *fd = fopen (tmp, "w");
if (fd)
fclose (fd);
last_temp = suffix;
if (buf)
strcpy( buf, tmp);
else
buf = copystring( tmp );
return buf;
}
}
wxLogError( _("wxWindows: error finding temporary file name.\n") );
if (buf) buf[0] = 0;
return (char *) NULL;
#endif
}
// Get first file name matching given wild card.
#ifdef __UNIX__
// Get first file name matching given wild card.
// Flags are reserved for future use.
#ifndef __VMS__
static DIR *gs_dirStream = (DIR *) NULL;
static wxString gs_strFileSpec;
static int gs_findFlags = 0;
#endif
wxString wxFindFirstFile(const char *spec, int flags)
{
wxString result;
#ifndef __VMS__
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] == '/' )
path = '/';
// path is empty => Local directory
if ( !path )
path = '.';
gs_dirStream = opendir(path);
if ( !gs_dirStream )
{
wxLogSysError(_("Can not enumerate files in directory '%s'"),
path.c_str());
}
else
{
result = wxFindNextFile();
}
#endif // !VMS
return result;
}
wxString wxFindNextFile()
{
wxString result;
#ifndef __VMS__
wxCHECK_MSG( gs_dirStream, result, "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] == '/')
path = '/';
// Do the reading
struct dirent *nextDir;
for ( nextDir = readdir(gs_dirStream);
nextDir != NULL;
nextDir = readdir(gs_dirStream) )
{
if (wxMatchWild(name, nextDir->d_name))
{
result.Empty();
if ( !path.IsEmpty() )
{
result = path;
if ( path != '/' )
result += '/';
}
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 // !VMS
return result;
}
#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 char *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 << '\\';
#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
int flag = _A_NORMAL;
if (flags & wxDIR) /* MATTHEW: [5] Use & */
flag = _A_SUBDIR;
#ifdef __BORLANDC__
if (findfirst(WXSTRINGCAST spec, &gs_findDataStruct, flag) == 0)
#else
if (_dos_findfirst(WXSTRINGCAST spec, flag, &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))
return wxFindNextFile();
} else if (gs_findFlags && !(gs_findFlags & wxFILE))
return wxFindNextFile();
result +=
#ifdef __BORLANDC__
gs_findDataStruct.ff_name
#else
gs_findDataStruct.name
#endif
;
}
#endif // __WIN32__
return result;
}
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 << '\\';
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
;
}
#endif // Win32/16
return result;
}
#endif // Unix/Windows
// Get current working directory.
// If buf is NULL, allocates space using new, else
// copies into buf.
char *wxGetWorkingDirectory(char *buf, int sz)
{
if (!buf)
buf = new char[sz+1];
#ifdef _MSC_VER
if (_getcwd(buf, sz) == NULL) {
#else
if (getcwd(buf, sz) == NULL) {
#endif
buf[0] = '.';
buf[1] = '\0';
}
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(d) == 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)
{
char 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__
char buf[256];
GetWindowsDirectory(buf, 256);
return wxString(buf);
#else
return wxEmptyString;
#endif
}
bool wxEndsWithPathSeparator(const char *pszFileName)
{
size_t len = Strlen(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 char *pszPath, const char *pszFile)
{
// we assume that it's not empty
wxCHECK_MSG( !IsEmpty(pszFile), FALSE,
_("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)
char *szPath = new char[strlen(pszPath) + 1];
strcpy(szPath, pszPath);
wxString strFile;
char *pc;
for ( pc = strtok(szPath, wxPATH_SEP);
pc != NULL;
pc = strtok((char *) NULL, wxPATH_SEP) )
{
// search for the file in this directory
strFile = pc;
if ( !wxEndsWithPathSeparator(pc) )
strFile += wxFILE_SEP_PATH;
strFile += pszFile;
if ( FileExists(strFile) ) {
*pStr = strFile;
break;
}
}
delete [] szPath;
return pc != NULL; // if true => we breaked from the loop
}
void WXDLLEXPORT wxSplitPath(const char *pszFileName,
wxString *pstrPath,
wxString *pstrName,
wxString *pstrExt)
{
// it can be empty, but it shouldn't be NULL
wxCHECK_RET( pszFileName, "NULL file name in wxSplitPath" );
const char *pDot = strrchr(pszFileName, wxFILE_SEP_EXT);
#ifdef __WXMSW__
// under Windows we understand both separators
const char *pSepUnix = strrchr(pszFileName, wxFILE_SEP_PATH_UNIX);
const char *pSepDos = strrchr(pszFileName, wxFILE_SEP_PATH_DOS);
const char *pLastSeparator = pSepUnix > pSepDos ? pSepUnix : pSepDos;
#else // assume Unix
const char *pLastSeparator = strrchr(pszFileName, wxFILE_SEP_PATH_UNIX);
if ( pDot == pszFileName )
{
// under Unix files like .profile are treated in a special way
pDot = NULL;
}
#endif // MSW/Unix
if ( pDot < pLastSeparator )
{
// the dot is part of the path, not the start of the extension
pDot = NULL;
}
if ( pstrPath )
{
if ( pLastSeparator )
*pstrPath = wxString(pszFileName, pLastSeparator - pszFileName);
else
pstrPath->Empty();
}
if ( pstrName )
{
const char *start = pLastSeparator ? pLastSeparator + 1 : pszFileName;
const char *end = pDot ? pDot : pszFileName + strlen(pszFileName);
*pstrName = wxString(start, end - start);
}
if ( pstrExt )
{
if ( pDot )
*pstrExt = wxString(pDot + 1);
else
pstrExt->Empty();
}
}
//------------------------------------------------------------------------
// wild character routines
//------------------------------------------------------------------------
bool wxIsWild( const wxString& pattern )
{
wxString tmp = pattern;
char *pat = WXSTRINGCAST(tmp);
while (*pat) {
switch (*pat++) {
case '?': case '*': case '[': case '{':
return TRUE;
case '\\':
if (!*pat++)
return FALSE;
}
}
return FALSE;
};
bool wxMatchWild( const wxString& pat, const wxString& text, bool dot_special )
#if defined(HAVE_FNMATCH_H)
{
if(dot_special)
return fnmatch(pat.c_str(), text.c_str(), FNM_PERIOD) == 0;
else
return fnmatch(pat.c_str(), text.c_str(), 0) == 0;
}
#else
// #pragma error Broken implementation of wxMatchWild() -- needs fixing!
/*
* WARNING: this code is broken!
*/
{
wxString tmp1 = pat;
char *pattern = WXSTRINGCAST(tmp1);
wxString tmp2 = text;
char *str = WXSTRINGCAST(tmp2);
char c;
char *cp;
bool done = FALSE, ret_code, ok;
// Below is for vi fans
const char OB = '{', CB = '}';
// dot_special means '.' only matches '.'
if (dot_special && *str == '.' && *pattern != *str)
return FALSE;
while ((*pattern != '\0') && (!done)
&& (((*str=='\0')&&((*pattern==OB)||(*pattern=='*')))||(*str!='\0'))) {
switch (*pattern) {
case '\\':
pattern++;
if (*pattern != '\0')
pattern++;
break;
case '*':
pattern++;
ret_code = FALSE;
while ((*str!='\0')
&& (!(ret_code=wxMatchWild(pattern, str++, FALSE))))
/*loop*/;
if (ret_code) {
while (*str != '\0')
str++;
while (*pattern != '\0')
pattern++;
}
break;
case '[':
pattern++;
repeat:
if ((*pattern == '\0') || (*pattern == ']')) {
done = TRUE;
break;
}
if (*pattern == '\\') {
pattern++;
if (*pattern == '\0') {
done = TRUE;
break;
}
}
if (*(pattern + 1) == '-') {
c = *pattern;
pattern += 2;
if (*pattern == ']') {
done = TRUE;
break;
}
if (*pattern == '\\') {
pattern++;
if (*pattern == '\0') {
done = TRUE;
break;
}
}
if ((*str < c) || (*str > *pattern)) {
pattern++;
goto repeat;
}
} else if (*pattern != *str) {
pattern++;
goto repeat;
}
pattern++;
while ((*pattern != ']') && (*pattern != '\0')) {
if ((*pattern == '\\') && (*(pattern + 1) != '\0'))
pattern++;
pattern++;
}
if (*pattern != '\0') {
pattern++, str++;
}
break;
case '?':
pattern++;
str++;
break;
case OB:
pattern++;
while ((*pattern != CB) && (*pattern != '\0')) {
cp = str;
ok = TRUE;
while (ok && (*cp != '\0') && (*pattern != '\0')
&& (*pattern != ',') && (*pattern != CB)) {
if (*pattern == '\\')
pattern++;
ok = (*pattern++ == *cp++);
}
if (*pattern == '\0') {
ok = FALSE;
done = TRUE;
break;
} else if (ok) {
str = cp;
while ((*pattern != CB) && (*pattern != '\0')) {
if (*++pattern == '\\') {
if (*++pattern == CB)
pattern++;
}
}
} else {
while (*pattern!=CB && *pattern!=',' && *pattern!='\0') {
if (*++pattern == '\\') {
if (*++pattern == CB || *pattern == ',')
pattern++;
}
}
}
if (*pattern != '\0')
pattern++;
}
break;
default:
if (*str == *pattern) {
str++, pattern++;
} else {
done = TRUE;
}
}
}
while (*pattern == '*')
pattern++;
return ((*str == '\0') && (*pattern == '\0'));
};
#endif
#ifdef __VISUALC__
#pragma warning(default:4706) // assignment within conditional expression
#endif // VC++
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