276 lines
7.1 KiB
C++
276 lines
7.1 KiB
C++
// This may look like C code, but it is really -*- C++ -*-
|
|
|
|
// ------------------------------------------------------------------
|
|
// The Goldware Library
|
|
// Copyright (C) 1990-1999 Odinn Sorensen
|
|
// Copyright (C) 1999-2000 Alexander S. Aganichev
|
|
// ------------------------------------------------------------------
|
|
// 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 program; if not, write to the Free
|
|
// Software Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
|
// MA 02111-1307, USA
|
|
// ------------------------------------------------------------------
|
|
// $Id$
|
|
// ------------------------------------------------------------------
|
|
// File utility functions
|
|
// ------------------------------------------------------------------
|
|
|
|
#include <gfilutil.h>
|
|
#ifndef __HAVE_DRIVES__
|
|
#include <pwd.h>
|
|
#endif
|
|
#ifdef __WIN32__
|
|
#include <windows.h>
|
|
#endif
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
|
|
std::string& AddBackslash(std::string& p) {
|
|
|
|
for(size_t posn = 0; (posn=p.find(GOLD_WRONG_SLASH_CHR, posn)) != p.npos; posn++)
|
|
p[posn] = GOLD_SLASH_CHR;
|
|
if(p[p.length()-1] != GOLD_SLASH_CHR)
|
|
p += GOLD_SLASH_STR;
|
|
|
|
return p;
|
|
}
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
// Add path to filename, if no path is set
|
|
|
|
void MakePathname(std::string& pathname, const std::string& path, const std::string& name) {
|
|
|
|
Path pn;
|
|
MakePathname(pn, path.c_str(), name.c_str());
|
|
pathname = pn;
|
|
}
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
|
|
void PathCopy(std::string& dst, const char* src) {
|
|
|
|
dst = src;
|
|
strschg_environ(dst);
|
|
AddBackslash(dst);
|
|
}
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
|
|
int strschg_environ(std::string& s) {
|
|
|
|
std::string fnd;
|
|
int replaced = 0;
|
|
size_t posn, posn1;
|
|
|
|
while(((posn=s.find('%')) != s.npos) and ((posn1=s.find('%', posn+1)) != s.npos)) {
|
|
fnd = s.substr(posn+1, posn1-1);
|
|
const char* rep = getenv(fnd.c_str());
|
|
rep = rep ? rep : "";
|
|
s.replace(posn, posn1-posn+1, rep);
|
|
replaced++;
|
|
}
|
|
|
|
#ifndef __HAVE_DRIVES__
|
|
if(not s.empty() and (s[0] == '~')) {
|
|
std::string name;
|
|
char* lname;
|
|
const char *p = s.c_str()+1;
|
|
struct passwd *pe=NULL;
|
|
|
|
if((s.length() != 1) and not isslash(*p)) {
|
|
while(*p and not isslash(*p))
|
|
name += *p++;
|
|
pe = getpwnam(name.c_str());
|
|
}
|
|
else {
|
|
pe = getpwuid(getuid());
|
|
}
|
|
if(pe != NULL) {
|
|
std::string dirname = pe->pw_dir;
|
|
dirname += "/";
|
|
if(isslash(*p))
|
|
++p;
|
|
dirname += p;
|
|
s = dirname.c_str();
|
|
replaced++;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
return replaced;
|
|
}
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
|
|
bool maketruepath(std::string &dirname) {
|
|
|
|
bool ok = true;
|
|
std::string ndirname;
|
|
char cwd[GMAXPATH];
|
|
getcwd(cwd, GMAXPATH);
|
|
#ifdef __HAVE_DRIVES__
|
|
#ifdef __WIN32__
|
|
char expanded[GMAXPATH];
|
|
char *k;
|
|
if(GetFullPathName(dirname.c_str(), GMAXPATH, expanded, &k) == 0) {
|
|
dirname = cwd;
|
|
ok = false;
|
|
}
|
|
else {
|
|
if(access(expanded, R_OK) == 0)
|
|
dirname = expanded;
|
|
else {
|
|
dirname = cwd;
|
|
ok = false;
|
|
}
|
|
}
|
|
#elif defined __OS2__
|
|
char expanded[GMAXPATH];
|
|
if(_fullpath(expanded, dirname.c_str(), GMAXPATH) == 0) {
|
|
if(access(expanded, R_OK) == 0)
|
|
dirname = expanded;
|
|
else {
|
|
dirname = cwd;
|
|
ok = false;
|
|
}
|
|
}
|
|
else {
|
|
dirname = cwd;
|
|
ok = false;
|
|
}
|
|
#elif defined __DJGPP__
|
|
char expanded[GMAXPATH];
|
|
_fixpath(dirname.c_str(), expanded);
|
|
if(access(expanded, R_OK) == 0)
|
|
dirname = expanded;
|
|
else {
|
|
dirname = cwd;
|
|
ok = false;
|
|
}
|
|
#else
|
|
long inspos = -1;
|
|
if((dirname.length() == 2) and (dirname[1] == ':'))
|
|
inspos = 2;
|
|
else if((dirname.length() < 2) or (dirname[1] != ':') or isslash(dirname[0]))
|
|
inspos = 0;
|
|
else if(not isslash(dirname[2]))
|
|
inspos = 2;
|
|
if(inspos != -1) {
|
|
char chdrive[] = " :";
|
|
chdrive[0] = (inspos == 2) ? dirname[0] : cwd[0];
|
|
if(not chdir(chdrive)) {
|
|
char dwd[GMAXPATH];
|
|
getcwd(dwd, GMAXPATH);
|
|
if(isslash(dirname[0]))
|
|
ndirname = chdrive;
|
|
else {
|
|
ndirname = dwd;
|
|
ndirname += "/";
|
|
}
|
|
ndirname += dirname.c_str() + inspos;
|
|
dirname = ndirname;
|
|
} else {
|
|
dirname = cwd;
|
|
ok = false;
|
|
}
|
|
chdir(cwd);
|
|
}
|
|
#endif
|
|
#else
|
|
if(not dirname.empty() and (dirname[0] == '~')) {
|
|
char* lname;
|
|
const char *p = dirname.c_str()+1;
|
|
if((dirname.length() != 1) and not isslash(*p)) {
|
|
while(*p and not isslash(*p))
|
|
ndirname += *p++; // get user name
|
|
} else {
|
|
if ((lname = getlogin()) == NULL)
|
|
lname = getenv("LOGNAME");
|
|
ndirname = lname; // get current user name
|
|
}
|
|
struct passwd *pe = getpwnam(ndirname.c_str()); // get home
|
|
if(pe != NULL) {
|
|
ndirname = pe->pw_dir;
|
|
ndirname += "/";
|
|
if(isslash(*p))
|
|
++p;
|
|
ndirname += p;
|
|
dirname = ndirname;
|
|
} else {
|
|
dirname = cwd;
|
|
ok = false;
|
|
}
|
|
} else if(not dirname.empty() and not isslash(dirname[0])) {
|
|
ndirname = cwd;
|
|
ndirname += "/";
|
|
ndirname += dirname;
|
|
dirname = ndirname;
|
|
}
|
|
#endif
|
|
size_t posn;
|
|
for(posn = 0; (posn=dirname.find(GOLD_WRONG_SLASH_CHR, posn)) != dirname.npos; posn++)
|
|
dirname[posn] = GOLD_SLASH_CHR;
|
|
size_t skipfrom, skipto;
|
|
#ifdef __HAVE_DRIVES__ /* Prevent from destroying UNC names */
|
|
if(dirname.length() > 1) {
|
|
while((skipfrom=dirname.find("\\\\", 1)) != dirname.npos)
|
|
dirname.erase(skipfrom, 1);
|
|
}
|
|
#endif
|
|
size_t len = dirname.length();
|
|
#ifdef __HAVE_DRIVES__
|
|
while((len > 3) and isslash(dirname[--len]))
|
|
#else
|
|
while((len > 1) and isslash(dirname[--len]))
|
|
#endif
|
|
dirname.erase(len, 1);
|
|
if(access(dirname.c_str(), R_OK)) {
|
|
dirname = cwd;
|
|
ok = false;
|
|
}
|
|
#ifdef __HAVE_DRIVES__
|
|
if((dirname.length() > 2) and (dirname[0] == '\\') and (dirname[1] == '\\'))
|
|
posn = 2;
|
|
else
|
|
#endif
|
|
posn = 0;
|
|
for(; (posn=dirname.find('\\', posn)) != dirname.npos; posn++)
|
|
dirname[posn] = '/';
|
|
while((skipto=dirname.find("/../")) != dirname.npos) {
|
|
skipfrom = (skipto == 0) ? 0 : dirname.rfind('/', skipto-1);
|
|
skipto += 2;
|
|
dirname.erase(skipfrom, skipto-skipfrom+1);
|
|
}
|
|
while((skipfrom=dirname.find("/./")) != dirname.npos)
|
|
dirname.erase(skipfrom, 2);
|
|
len = dirname.length();
|
|
if(len > 2 and not strcmp(&(dirname.c_str()[len-2]), "/."))
|
|
dirname.erase(len-2, 2);
|
|
len = dirname.length();
|
|
#ifdef __HAVE_DRIVES__
|
|
if((len > 3) and isslash(dirname[--len]))
|
|
#else
|
|
if((len > 1) and isslash(dirname[--len]))
|
|
#endif
|
|
dirname.erase(len, 1);
|
|
return ok;
|
|
}
|
|
|
|
|
|
// ------------------------------------------------------------------
|