-// sg_path.cxx -- routines to abstract out path separator differences
-// between MacOS and the rest of the world
-//
-// Written by Curtis L. Olson, started April 1999.
-//
-// 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
-// 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 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>
-#ifdef _WIN32
-# include <direct.h>
-#endif
-#include "sg_path.hxx"
-
-using std::string;
-
-
-/**
- * define directory path separators
- */
-
-static const char sgDirPathSep = '/';
-static const char sgDirPathSepBad = '\\';
-
-#ifdef _WIN32
-static const char sgSearchPathSep = ';';
-#else
-static const char sgSearchPathSep = ':';
-#endif
-
-
-// If Unix, replace all ":" with "/". In windoze, allow the
-// second character to be a ":" for things like c:\foo\bar
-
-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 ( path[i] == sgDirPathSepBad ) {
- path[i] = sgDirPathSep;
- }
- }
-}
-
-
-// default constructor
-SGPath::SGPath()
- : path(""),
- _cached(false)
-{
-}
-
-
-// create a path based on "path"
-SGPath::SGPath( const std::string& 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() {
-}
-
-
-// set path
-void SGPath::set( const string& p ) {
- path = p;
- fix();
- _cached = false;
-}
-
-
-// append another piece to the existing path
-void SGPath::append( const string& p ) {
- if ( path.size() == 0 ) {
- path = p;
- } else {
- if ( p[0] != sgDirPathSep ) {
- path += sgDirPathSep;
- }
- path += p;
- }
- fix();
- _cached = false;
-}
-
-//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 ) {
- if ( path.size() == 0 ) {
- path = p;
- } else {
- path += p;
- }
- fix();
- _cached = false;
-}
-
-
-// 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() 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 "";
- }
-}
-
-void SGPath::validate() const
-{
- if (_cached) {
- return;
- }
-
-#ifdef _WIN32
- struct _stat buf ;
-
- if (_stat (path.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
-
-
-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] );
-#ifdef _WIN32
- 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;
-}
-
-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 == "");
-}
+// sg_path.cxx -- routines to abstract out path separator differences\r
+// between MacOS and the rest of the world\r
+//\r
+// Written by Curtis L. Olson, started April 1999.\r
+//\r
+// Copyright (C) 1999 Curtis L. Olson - http://www.flightgear.org/~curt\r
+//\r
+// This library is free software; you can redistribute it and/or\r
+// modify it under the terms of the GNU Library General Public\r
+// License as published by the Free Software Foundation; either\r
+// version 2 of the License, or (at your option) any later version.\r
+//\r
+// This library is distributed in the hope that it will be useful,\r
+// but WITHOUT ANY WARRANTY; without even the implied warranty of\r
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\r
+// Library General Public License for more details.\r
+//\r
+// You should have received a copy of the GNU General Public License\r
+// along with this program; if not, write to the Free Software\r
+// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.\r
+//\r
+// $Id$\r
+\r
+\r
+#include <simgear/compiler.h>\r
+\r
+#include <simgear_config.h>\r
+#include <simgear/debug/logstream.hxx>\r
+#include <stdio.h>\r
+#include <sys/stat.h>\r
+#ifdef _WIN32\r
+# include <direct.h>\r
+#endif\r
+#include "sg_path.hxx"\r
+\r
+using std::string;\r
+\r
+\r
+/**\r
+ * define directory path separators\r
+ */\r
+\r
+static const char sgDirPathSep = '/';\r
+static const char sgDirPathSepBad = '\\';\r
+\r
+#ifdef _WIN32\r
+static const char sgSearchPathSep = ';';\r
+#else\r
+static const char sgSearchPathSep = ':';\r
+#endif\r
+\r
+\r
+// If Unix, replace all ":" with "/". In windoze, allow the\r
+// second character to be a ":" for things like c:\foo\bar\r
+\r
+void\r
+SGPath::fix()\r
+{\r
+ for ( string::size_type i = 0; i < path.size(); ++i ) {\r
+#if defined( WIN32 )\r
+ // for windoze, don't replace the ":" for the second character\r
+ if ( i == 1 ) {\r
+ continue;\r
+ }\r
+#endif\r
+ if ( path[i] == sgDirPathSepBad ) {\r
+ path[i] = sgDirPathSep;\r
+ }\r
+ }\r
+}\r
+\r
+\r
+// default constructor\r
+SGPath::SGPath()\r
+ : path(""),\r
+ _cached(false)\r
+{\r
+}\r
+\r
+\r
+// create a path based on "path"\r
+SGPath::SGPath( const std::string& p )\r
+ : path(p),\r
+ _cached(false)\r
+{\r
+ fix();\r
+}\r
+\r
+// create a path based on "path" and a "subpath"\r
+SGPath::SGPath( const SGPath& p, const std::string& r )\r
+ : path(p.path),\r
+ _cached(false)\r
+{\r
+ append(r);\r
+ fix();\r
+}\r
+\r
+SGPath::SGPath(const SGPath& p) :\r
+ path(p.path),\r
+ _cached(p._cached),\r
+ _exists(p._exists),\r
+ _isDir(p._isDir),\r
+ _isFile(p._isFile)\r
+{\r
+}\r
+ \r
+SGPath& SGPath::operator=(const SGPath& p)\r
+{\r
+ path = p.path;\r
+ _cached = p._cached;\r
+ _exists = p._exists;\r
+ _isDir = p._isDir;\r
+ _isFile = p._isFile;\r
+ return *this;\r
+}\r
+\r
+// destructor\r
+SGPath::~SGPath() {\r
+}\r
+\r
+\r
+// set path\r
+void SGPath::set( const string& p ) {\r
+ path = p;\r
+ fix();\r
+ _cached = false;\r
+}\r
+\r
+\r
+// append another piece to the existing path\r
+void SGPath::append( const string& p ) {\r
+ if ( path.size() == 0 ) {\r
+ path = p;\r
+ } else {\r
+ if ( p[0] != sgDirPathSep ) {\r
+ path += sgDirPathSep;\r
+ }\r
+ path += p;\r
+ }\r
+ fix();\r
+ _cached = false;\r
+}\r
+\r
+//add a new path component to the existing path string\r
+void SGPath::add( const string& p ) {\r
+ append( sgSearchPathSep+p );\r
+}\r
+\r
+\r
+// concatenate a string to the end of the path without inserting a\r
+// path separator\r
+void SGPath::concat( const string& p ) {\r
+ if ( path.size() == 0 ) {\r
+ path = p;\r
+ } else {\r
+ path += p;\r
+ }\r
+ fix();\r
+ _cached = false;\r
+}\r
+\r
+\r
+// Get the file part of the path (everything after the last path sep)\r
+string SGPath::file() const {\r
+ int index = path.rfind(sgDirPathSep);\r
+ if (index >= 0) {\r
+ return path.substr(index + 1);\r
+ } else {\r
+ return "";\r
+ }\r
+}\r
+ \r
+\r
+// get the directory part of the path.\r
+string SGPath::dir() const {\r
+ int index = path.rfind(sgDirPathSep);\r
+ if (index >= 0) {\r
+ return path.substr(0, index);\r
+ } else {\r
+ return "";\r
+ }\r
+}\r
+\r
+// get the base part of the path (everything but the extension.)\r
+string SGPath::base() const {\r
+ int index = path.rfind(".");\r
+ if ((index >= 0) && (path.find("/", index) == string::npos)) {\r
+ return path.substr(0, index);\r
+ } else {\r
+ return "";\r
+ }\r
+}\r
+\r
+// get the extension (everything after the final ".")\r
+// but make sure no "/" follows the "." character (otherwise it\r
+// is has to be a directory name containing a ".").\r
+string SGPath::extension() const {\r
+ int index = path.rfind(".");\r
+ if ((index >= 0) && (path.find("/", index) == string::npos)) {\r
+ return path.substr(index + 1);\r
+ } else {\r
+ return "";\r
+ }\r
+}\r
+\r
+void SGPath::validate() const\r
+{\r
+ if (_cached) {\r
+ return;\r
+ }\r
+ \r
+#ifdef _WIN32\r
+ struct _stat buf ;\r
+\r
+ bool remove_trailing = false;\r
+ if ( path.length() > 1 && path[path.length()-1] == '/' )\r
+ remove_trailing=true;\r
+ if (_stat (path.substr(0,remove_trailing?path.length()-1:path.length()).c_str(), &buf ) < 0) {\r
+ _exists = false;\r
+ } else {\r
+ _exists = true;\r
+ _isFile = ((S_IFREG & buf.st_mode ) !=0);\r
+ _isDir = ((S_IFDIR & buf.st_mode ) !=0);\r
+ }\r
+\r
+#else\r
+ struct stat buf ;\r
+\r
+ if (stat(path.c_str(), &buf ) < 0) {\r
+ _exists = false;\r
+ } else {\r
+ _exists = true;\r
+ _isFile = ((S_ISREG(buf.st_mode )) != 0);\r
+ _isDir = ((S_ISDIR(buf.st_mode )) != 0);\r
+ }\r
+ \r
+#endif\r
+ _cached = true;\r
+}\r
+\r
+bool SGPath::exists() const\r
+{\r
+ validate();\r
+ return _exists;\r
+}\r
+\r
+bool SGPath::isDir() const\r
+{\r
+ validate();\r
+ return _exists && _isDir;\r
+}\r
+\r
+bool SGPath::isFile() const\r
+{\r
+ validate();\r
+ return _exists && _isFile;\r
+}\r
+\r
+#ifdef _WIN32\r
+# define sgMkDir(d,m) _mkdir(d)\r
+#else\r
+# define sgMkDir(d,m) mkdir(d,m)\r
+#endif\r
+\r
+\r
+int SGPath::create_dir( mode_t mode ) {\r
+ string_list dirlist = sgPathSplit(dir());\r
+ if ( dirlist.empty() )\r
+ return -1;\r
+ string path = dirlist[0];\r
+ string_list path_elements = sgPathBranchSplit(path);\r
+ bool absolute = !path.empty() && path[0] == sgDirPathSep;\r
+\r
+ unsigned int i = 1;\r
+ SGPath dir = absolute ? string( 1, sgDirPathSep ) : "";\r
+ dir.concat( path_elements[0] );\r
+#ifdef _WIN32\r
+ if ( dir.str().find(':') != string::npos && path_elements.size() >= 2 ) {\r
+ dir.append( path_elements[1] );\r
+ i = 2;\r
+ }\r
+#endif\r
+ struct stat info;\r
+ int r;\r
+ for(; ( r = stat( dir.c_str(), &info ) ) == 0 && i < path_elements.size(); i++) {\r
+ dir.append(path_elements[i]);\r
+ }\r
+ if ( r == 0 ) {\r
+ return 0; // Directory already exists\r
+ }\r
+ if ( sgMkDir( dir.c_str(), mode) ) {\r
+ SG_LOG( SG_IO, SG_ALERT, "Error creating directory: " + dir.str() );\r
+ return -2;\r
+ }\r
+ for(; i < path_elements.size(); i++) {\r
+ dir.append(path_elements[i]);\r
+ if ( sgMkDir( dir.c_str(), mode) ) {\r
+ SG_LOG( SG_IO, SG_ALERT, "Error creating directory: " + dir.str() );\r
+ return -2;\r
+ }\r
+ }\r
+\r
+ return 0;\r
+}\r
+\r
+string_list sgPathBranchSplit( const string &dirpath ) {\r
+ string_list path_elements;\r
+ string element, path = dirpath;\r
+ while ( path.size() ) {\r
+ size_t p = path.find( sgDirPathSep );\r
+ if ( p != string::npos ) {\r
+ element = path.substr( 0, p );\r
+ path.erase( 0, p + 1 );\r
+ } else {\r
+ element = path;\r
+ path = "";\r
+ }\r
+ if ( element.size() )\r
+ path_elements.push_back( element );\r
+ }\r
+ return path_elements;\r
+}\r
+\r
+\r
+string_list sgPathSplit( const string &search_path ) {\r
+ string tmp = search_path;\r
+ string_list result;\r
+ result.clear();\r
+\r
+ bool done = false;\r
+\r
+ while ( !done ) {\r
+ int index = tmp.find(sgSearchPathSep);\r
+ if (index >= 0) {\r
+ result.push_back( tmp.substr(0, index) );\r
+ tmp = tmp.substr( index + 1 );\r
+ } else {\r
+ if ( !tmp.empty() )\r
+ result.push_back( tmp );\r
+ done = true;\r
+ }\r
+ }\r
+\r
+ return result;\r
+}\r
+\r
+bool SGPath::isAbsolute() const\r
+{\r
+ if (path.empty()) {\r
+ return false;\r
+ }\r
+ \r
+#ifdef _WIN32\r
+ // detect '[A-Za-z]:/'\r
+ if (path.size() > 2) {\r
+ if (isalpha(path[0]) && (path[1] == ':') && (path[2] == sgDirPathSep)) {\r
+ return true;\r
+ }\r
+ }\r
+#endif\r
+ \r
+ return (path[0] == sgDirPathSep);\r
+}\r
+\r
+bool SGPath::isNull() const\r
+{\r
+ return path.empty() || (path == "");\r
+}\r
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