2ccbfdccc9
single file, and it now works when selecting multiple directories (STR #747) Fl_File_Icon::load_system_icons() now only loads 16x16 and 32x32 icon images to improve startup performance. Fixed an error dialog message in FLUID. git-svn-id: file:///fltk/svn/fltk/branches/branch-1.1@4189 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
111 lines
3.1 KiB
C++
111 lines
3.1 KiB
C++
//
|
|
// "$Id$"
|
|
//
|
|
// Filename expansion routines for the Fast Light Tool Kit (FLTK).
|
|
//
|
|
// Copyright 1998-2005 by Bill Spitzak and others.
|
|
//
|
|
// This library is free software; you can redistribute it and/or
|
|
// modify it under the terms of the GNU Library General Public
|
|
// License as published by the Free Software Foundation; either
|
|
// version 2 of the License, or (at your option) any later version.
|
|
//
|
|
// This library is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
// Library General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU Library General Public
|
|
// License along with this library; if not, write to the Free Software
|
|
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
|
|
// USA.
|
|
//
|
|
// Please report all bugs and problems on the following page:
|
|
//
|
|
// http://www.fltk.org/str.php
|
|
//
|
|
|
|
/* expand a file name by substuting environment variables and
|
|
home directories. Returns true if any changes were made.
|
|
to & from may be the same buffer.
|
|
*/
|
|
|
|
#include <FL/filename.H>
|
|
#include <stdlib.h>
|
|
#include "flstring.h"
|
|
#if defined(WIN32) && !defined(__CYGWIN__)
|
|
#else
|
|
# include <unistd.h>
|
|
# include <pwd.h>
|
|
#endif
|
|
|
|
#if defined(WIN32) || defined(__EMX__) && !defined(__CYGWIN__)
|
|
static inline int isdirsep(char c) {return c=='/' || c=='\\';}
|
|
#else
|
|
#define isdirsep(c) ((c)=='/')
|
|
#endif
|
|
|
|
int fl_filename_expand(char *to,int tolen, const char *from) {
|
|
|
|
char *temp = new char[tolen];
|
|
strlcpy(temp,from, tolen);
|
|
char *start = temp;
|
|
char *end = temp+strlen(temp);
|
|
|
|
int ret = 0;
|
|
|
|
for (char *a=temp; a<end; ) { // for each slash component
|
|
char *e; for (e=a; e<end && !isdirsep(*e); e++); // find next slash
|
|
const char *value = 0; // this will point at substitute value
|
|
switch (*a) {
|
|
case '~': // a home directory name
|
|
if (e <= a+1) { // current user's directory
|
|
value = getenv("HOME");
|
|
#ifndef WIN32
|
|
} else { // another user's directory
|
|
struct passwd *pwd;
|
|
char t = *e; *(char *)e = 0;
|
|
pwd = getpwnam(a+1);
|
|
*(char *)e = t;
|
|
if (pwd) value = pwd->pw_dir;
|
|
#endif
|
|
}
|
|
break;
|
|
case '$': /* an environment variable */
|
|
{char t = *e; *(char *)e = 0; value = getenv(a+1); *(char *)e = t;}
|
|
break;
|
|
}
|
|
if (value) {
|
|
// substitutions that start with slash delete everything before them:
|
|
if (isdirsep(value[0])) start = a;
|
|
#if defined(WIN32) || defined(__EMX__) && !defined(__CYGWIN__)
|
|
// also if it starts with "A:"
|
|
if (value[0] && value[1]==':') start = a;
|
|
#endif
|
|
int t = strlen(value); if (isdirsep(value[t-1])) t--;
|
|
if ((end+1-e+t) >= tolen) end += tolen - (end+1-e+t);
|
|
memmove(a+t, e, end+1-e);
|
|
end = a+t+(end-e);
|
|
*end = '\0';
|
|
memcpy(a, value, t);
|
|
ret++;
|
|
} else {
|
|
a = e+1;
|
|
#if defined(WIN32) || defined(__EMX__) && !defined(__CYGWIN__)
|
|
if (*e == '\\') {*e = '/'; ret++;} // ha ha!
|
|
#endif
|
|
}
|
|
}
|
|
|
|
strlcpy(to, start, tolen);
|
|
|
|
delete[] temp;
|
|
|
|
return ret;
|
|
}
|
|
|
|
|
|
//
|
|
// End of "$Id$".
|
|
//
|