X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=simgear%2Fmisc%2Fsg_path.cxx;h=6055becd8810bcb81caca3f362677a2daa66ae7f;hb=2e71b64de1d937e2b7c34dd4a2365be455d0b82a;hp=95e2a505eb4893efeb77a0af4ecc67ccafdd6d2a;hpb=00e0e72bca1c5a8189753f50fe8a71dddc93de09;p=simgear.git

diff --git a/simgear/misc/sg_path.cxx b/simgear/misc/sg_path.cxx
index 95e2a505..6055becd 100644
--- a/simgear/misc/sg_path.cxx
+++ b/simgear/misc/sg_path.cxx
@@ -3,7 +3,7 @@
 //
 // 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
@@ -15,10 +15,9 @@
 // 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.
 //
 // $Id$
 
@@ -26,8 +25,13 @@
 #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"
 
 
@@ -35,15 +39,10 @@
  * 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 )
+#if defined( WIN32 ) && !defined(__CYGWIN__)
 static const char sgSearchPathSep = ';';
 #else
 static const char sgSearchPathSep = ':';
@@ -112,6 +111,11 @@ void SGPath::append( const string& 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
@@ -149,17 +153,19 @@ string SGPath::dir() const {
 // get the base part of the path (everything but the extension.)
 string SGPath::base() const {
     int index = path.rfind(".");
-    if (index >= 0) {
+    if ((index >= 0) && (path.find("/", index) == string::npos)) {
 	return path.substr(0, index);
     } else {
 	return "";
     }
 }
 
-// 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 {
     int index = path.rfind(".");
-    if (index >= 0) {
+    if ((index >= 0)  && (path.find("/", index) == string::npos)) {
 	return path.substr(index + 1);
     } else {
 	return "";
@@ -175,6 +181,71 @@ bool SGPath::exists() const {
     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;