// 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.
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
//
// $Id$
#include <simgear/debug/logstream.hxx>
#include <stdio.h>
#include <sys/stat.h>
-#include <sys/stat.h>
-#ifdef _MSC_VER
+#ifdef _WIN32
# include <direct.h>
#endif
#include "sg_path.hxx"
+using std::string;
+
/**
* define directory path separators
*/
-#if defined( macintosh )
-static const char sgDirPathSep = ':';
-static const char sgDirPathSepBad = '/';
-#else
static const char sgDirPathSep = '/';
static const char sgDirPathSepBad = '\\';
-#endif
-#if defined( WIN32 ) && !defined(__CYGWIN__)
+#ifdef _WIN32
static const char sgSearchPathSep = ';';
#else
static const char sgSearchPathSep = ':';
#endif
-// If Unix, replace all ":" with "/". If MacOS, replace all "/" with
-// ":" it should go without saying that neither of these characters
-// should be used in file or directory names. In windoze, allow the
+// If Unix, replace all ":" with "/". In windoze, allow the
// second character to be a ":" for things like c:\foo\bar
void
// default constructor
SGPath::SGPath()
- : path("")
+ : path(""),
+ _cached(false)
{
}
// create a path based on "path"
SGPath::SGPath( const std::string& p )
- : path(p)
+ : path(p),
+ _cached(false)
{
fix();
}
+// create a path based on "path" and a "subpath"
+SGPath::SGPath( const SGPath& p, const std::string& r )
+ : path(p.path),
+ _cached(false)
+{
+ append(r);
+ fix();
+}
+
+SGPath::SGPath(const SGPath& p) :
+ path(p.path),
+ _cached(p._cached),
+ _exists(p._exists),
+ _isDir(p._isDir),
+ _isFile(p._isFile)
+{
+}
+
+SGPath& SGPath::operator=(const SGPath& p)
+{
+ path = p.path;
+ _cached = p._cached;
+ _exists = p._exists;
+ _isDir = p._isDir;
+ _isFile = p._isFile;
+ return *this;
+}
// destructor
SGPath::~SGPath() {
void SGPath::set( const string& p ) {
path = p;
fix();
+ _cached = false;
}
path += p;
}
fix();
+ _cached = false;
}
//add a new path component to the existing path string
path += p;
}
fix();
+ _cached = false;
}
}
}
-// get the extention (everything after the final ".")
+// get the extension (everything after the final ".")
// but make sure no "/" follows the "." character (otherwise it
// is has to be a directory name containing a ".").
string SGPath::extension() const {
}
}
-bool SGPath::exists() const {
- FILE* fp = fopen( path.c_str(), "r");
- if (fp == 0) {
- return false;
- }
- fclose(fp);
- return true;
+void SGPath::validate() const
+{
+ if (_cached) {
+ return;
+ }
+
+#ifdef _WIN32
+ struct _stat buf ;
+
+ bool remove_trailing = false;
+ if ( path.length() > 1 && path[path.length()-1] == '/' )
+ remove_trailing=true;
+ if (_stat (path.substr(0,remove_trailing?path.length()-1:path.length()).c_str(), &buf ) < 0) {
+ _exists = false;
+ } else {
+ _exists = true;
+ _isFile = ((S_IFREG & buf.st_mode ) !=0);
+ _isDir = ((S_IFDIR & buf.st_mode ) !=0);
+ }
+
+#else
+ struct stat buf ;
+
+ if (stat(path.c_str(), &buf ) < 0) {
+ _exists = false;
+ } else {
+ _exists = true;
+ _isFile = ((S_ISREG(buf.st_mode )) != 0);
+ _isDir = ((S_ISDIR(buf.st_mode )) != 0);
+ }
+
+#endif
+ _cached = true;
+}
+
+bool SGPath::exists() const
+{
+ validate();
+ return _exists;
+}
+
+bool SGPath::isDir() const
+{
+ validate();
+ return _exists && _isDir;
+}
+
+bool SGPath::isFile() const
+{
+ validate();
+ return _exists && _isFile;
}
+#ifdef _WIN32
+# define sgMkDir(d,m) _mkdir(d)
+#else
+# define sgMkDir(d,m) mkdir(d,m)
+#endif
-void SGPath::create_dir( mode_t mode ) {
+
+int SGPath::create_dir( mode_t mode ) {
string_list dirlist = sgPathSplit(dir());
- SGPath dir = dirlist[0];
- int i;
- for(i=1; dir.exists() && i < dirlist.size(); i++) {
- dir.add(dirlist[i]);
+ if ( dirlist.empty() )
+ return -1;
+ string path = dirlist[0];
+ string_list path_elements = sgPathBranchSplit(path);
+ bool absolute = !path.empty() && path[0] == sgDirPathSep;
+
+ unsigned int i = 1;
+ SGPath dir = absolute ? string( 1, sgDirPathSep ) : "";
+ dir.concat( path_elements[0] );
+#ifdef _WIN32
+ if ( dir.str().find(':') != string::npos && path_elements.size() >= 2 ) {
+ dir.append( path_elements[1] );
+ i = 2;
}
- for(;i < dirlist.size(); i++) {
- string subdir = dirlist[i];
-#ifdef _MSC_VER
- if ( _mkdir( subdir.c_str()) ) {
-#else
- if ( mkdir( subdir.c_str(), mode) ) {
#endif
+ struct stat info;
+ int r;
+ for(; ( r = stat( dir.c_str(), &info ) ) == 0 && i < path_elements.size(); i++) {
+ dir.append(path_elements[i]);
+ }
+ if ( r == 0 ) {
+ return 0; // Directory already exists
+ }
+ if ( sgMkDir( dir.c_str(), mode) ) {
+ SG_LOG( SG_IO, SG_ALERT, "Error creating directory: " + dir.str() );
+ return -2;
+ }
+ for(; i < path_elements.size(); i++) {
+ dir.append(path_elements[i]);
+ if ( sgMkDir( dir.c_str(), mode) ) {
SG_LOG( SG_IO, SG_ALERT, "Error creating directory: " + dir.str() );
- break;
+ return -2;
+ }
+ }
+
+ return 0;
+}
+
+string_list sgPathBranchSplit( const string &dirpath ) {
+ string_list path_elements;
+ string element, path = dirpath;
+ while ( path.size() ) {
+ size_t p = path.find( sgDirPathSep );
+ if ( p != string::npos ) {
+ element = path.substr( 0, p );
+ path.erase( 0, p + 1 );
+ } else {
+ element = path;
+ path = "";
}
- dir.add(subdir);
+ if ( element.size() )
+ path_elements.push_back( element );
}
+ return path_elements;
}
+
string_list sgPathSplit( const string &search_path ) {
string tmp = search_path;
string_list result;
return result;
}
+
+bool SGPath::isAbsolute() const
+{
+ if (path.empty()) {
+ return false;
+ }
+
+#ifdef _WIN32
+ // detect '[A-Za-z]:/'
+ if (path.size() > 2) {
+ if (isalpha(path[0]) && (path[1] == ':') && (path[2] == sgDirPathSep)) {
+ return true;
+ }
+ }
+#endif
+
+ return (path[0] == sgDirPathSep);
+}
+
+bool SGPath::isNull() const
+{
+ return path.empty() || (path == "");
+}
projects / simgear.git / blobdiff