//
// Written by Curtis L. Olson, started April 1999.
//
-// Copyright (C) 1999 Curtis L. Olson - curt@flightgear.org
+// Copyright (C) 1999 Curtis L. Olson - http://www.flightgear.org/~curt
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Library General Public
// 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/compiler.h>
+
+#include <simgear_config.h>
+#include <simgear/debug/logstream.hxx>
+#include <stdio.h>
+#include <sys/stat.h>
+#include <sys/stat.h>
+#if defined( _MSC_VER) || defined(__MINGW32__)
+# include <direct.h>
+#endif
#include "sg_path.hxx"
+/**
+ * define directory path separators
+ */
+
+static const char sgDirPathSep = '/';
+static const char sgDirPathSepBad = '\\';
+
+#if defined( WIN32 ) && !defined(__CYGWIN__)
+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
// second character to be a ":" for things like c:\foo\bar
-static string fix_path( const string path ) {
- string result = path;
-
- for ( int i = 0; i < (int)path.size(); ++i ) {
+void
+SGPath::fix()
+{
+ for ( string::size_type i = 0; i < path.size(); ++i ) {
#if defined( WIN32 )
// for windoze, don't replace the ":" for the second character
if ( i == 1 ) {
continue;
}
#endif
- if ( result[i] == SG_BAD_PATH_SEP ) {
- result[i] = SG_PATH_SEP;
+ if ( path[i] == sgDirPathSepBad ) {
+ path[i] = sgDirPathSep;
}
}
-
- return result;
}
// default constructor
-SGPath::SGPath() {
- path = "";
+SGPath::SGPath()
+ : path("")
+{
}
// create a path based on "path"
-SGPath::SGPath( const string p ) {
- set( p );
+SGPath::SGPath( const std::string& p )
+ : path(p)
+{
+ fix();
}
// set path
-void SGPath::set( const string p ) {
- path = fix_path( p );
+void SGPath::set( const string& p ) {
+ path = p;
+ fix();
}
// append another piece to the existing path
-void SGPath::append( const string p ) {
- string part = fix_path( p );
-
+void SGPath::append( const string& p ) {
if ( path.size() == 0 ) {
- path = part;
+ path = p;
} else {
- if ( part[0] != SG_PATH_SEP ) {
- path += SG_PATH_SEP;
+ if ( p[0] != sgDirPathSep ) {
+ path += sgDirPathSep;
}
- path += part;
+ path += p;
}
+ fix();
+}
+
+//add a new path component to the existing path string
+void SGPath::add( const string& p ) {
+ append( sgSearchPathSep+p );
}
// concatenate a string to the end of the path without inserting a
// path separator
-void SGPath::concat( const string p ) {
- string part = fix_path( p );
-
+void SGPath::concat( const string& p ) {
if ( path.size() == 0 ) {
- path = part;
+ path = p;
} else {
- path += part;
+ path += p;
}
+ fix();
}
+// Get the file part of the path (everything after the last path sep)
+string SGPath::file() const {
+ int index = path.rfind(sgDirPathSep);
+ if (index >= 0) {
+ return path.substr(index + 1);
+ } else {
+ return "";
+ }
+}
+
+
// get the directory part of the path.
-string SGPath::dir() {
- int index = path.rfind(SG_PATH_SEP);
+string SGPath::dir() const {
+ int index = path.rfind(sgDirPathSep);
if (index >= 0) {
return path.substr(0, index);
} else {
return "";
}
}
+
+// get the base part of the path (everything but the extension.)
+string SGPath::base() const {
+ int index = path.rfind(".");
+ if ((index >= 0) && (path.find("/", index) == string::npos)) {
+ return path.substr(0, index);
+ } else {
+ return "";
+ }
+}
+
+// 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 {
+ int index = path.rfind(".");
+ if ((index >= 0) && (path.find("/", index) == string::npos)) {
+ return path.substr(index + 1);
+ } else {
+ return "";
+ }
+}
+
+bool SGPath::exists() const {
+ FILE* fp = fopen( path.c_str(), "r");
+ if (fp == 0) {
+ return false;
+ }
+ fclose(fp);
+ return true;
+}
+
+#if defined( _MSC_VER) || defined(__MINGW32__)
+# define sgMkDir(d,m) _mkdir(d)
+#else
+# define sgMkDir(d,m) mkdir(d,m)
+#endif
+
+
+int SGPath::create_dir( mode_t mode ) {
+ string_list dirlist = sgPathSplit(dir());
+ 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] );
+#if defined( _MSC_VER) || defined(__MINGW32__)
+ if ( dir.str().find(':') != string::npos && path_elements.size() >= 2 ) {
+ dir.append( path_elements[1] );
+ i = 2;
+ }
+#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() );
+ 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 = "";
+ }
+ 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;
+ result.clear();
+
+ bool done = false;
+
+ while ( !done ) {
+ int index = tmp.find(sgSearchPathSep);
+ if (index >= 0) {
+ result.push_back( tmp.substr(0, index) );
+ tmp = tmp.substr( index + 1 );
+ } else {
+ if ( !tmp.empty() )
+ result.push_back( tmp );
+ done = true;
+ }
+ }
+
+ return result;
+}
projects / simgear.git / blobdiff