#include <simgear/compiler.h>
#include <string>
+#include <ctime>
#include <simgear/math/sg_types.hxx>
class SGPath {
-private:
-
- std::string path;
-
public:
/** Default constructor */
SGPath();
+ /** Copy contructor */
SGPath(const SGPath& p);
SGPath& operator=(const SGPath& p);
*/
SGPath( const std::string& p );
+ /**
+ * Construct a path based on the starting path provided and a relative subpath
+ * @param p initial path
+ * @param r relative subpath
+ */
+ SGPath( const SGPath& p, const std::string& r );
+
/** Destructor */
~SGPath();
void set( const std::string& p );
SGPath& operator= ( const char* p ) { this->set(p); return *this; }
+ bool operator==(const SGPath& other) const;
+ bool operator!=(const SGPath& other) const;
+
+ /**
+ * Set if file information (exists, type, mod-time) is cached or
+ * retrieved each time it is queried. Caching is enabled by default
+ */
+ void set_cached(bool cached);
+
/**
* Append another piece to the existing path. Inserts a path
* separator between the existing component and the new component.
*/
void concat( const std::string& p );
+ /**
+ * Returns a string with the absolute pathname that names the same file, whose
+ * resolution does not involve '.', '..', or symbolic links.
+ */
+ std::string realpath() const;
+
/**
* Get the file part of the path (everything after the last path sep)
* @return file string
std::string dir() const;
/**
- * Get the base part of the path (everything but the extension.)
+ * Get the base part of the path (everything but the final extension.)
* @return the base string
*/
std::string base() const;
+ /**
+ * Get the base part of the filename (everything before the first '.')
+ * @return the base filename
+ */
+ std::string file_base() const;
+
/**
* Get the extension part of the path (everything after the final ".")
* @return the extension string
*/
std::string extension() const;
-
+
+ /**
+ * Get the extension part of the path (everything after the final ".")
+ * converted to lowercase
+ * @return the extension string
+ */
+ std::string lower_extension() const;
+
+ /**
+ * Get the complete extension part of the path (everything after the first ".")
+ * this might look like 'tar.gz' or 'txt.Z', or might be identical to 'extension' above
+ * the extension is converted to lowercase.
+ * @return the extension string
+ */
+ std::string complete_lower_extension() const;
+
/**
* Get the path string
* @return path string
* Get the path string
* @return path in "C" string (ptr to char array) form.
*/
- const char* c_str() { return path.c_str(); }
+ const char* c_str() const { return path.c_str(); }
+
+ /**
+ * Get the path string in OS native form
+ */
+ std::string str_native() const;
/**
* Determine if file exists by attempting to fopen it.
* I.e starts with a directory seperator, or a single character + colon
*/
bool isAbsolute() const;
+
+ /**
+ * check for default constructed path
+ */
+ bool isNull() const;
+
+ /**
+ * delete the file, if possible
+ */
+ bool remove();
+
+ /**
+ * modification time of the file
+ */
+ time_t modTime() const;
+
+ /**
+ * rename the file / directory we point at, to a new name
+ * this may fail if the new location is on a different volume / share,
+ * or if the destination already exists, or is not writeable
+ */
+ bool rename(const SGPath& newName);
private:
void fix();
void validate() const;
- mutable bool _cached;
- mutable bool _exists;
- mutable bool _isDir;
- mutable bool _isFile;
+ std::string path;
+
+ mutable bool _cached : 1;
+ bool _cacheEnabled : 1; ///< cacheing can be disbled if required
+ mutable bool _exists : 1;
+ mutable bool _isDir : 1;
+ mutable bool _isFile : 1;
+ mutable time_t _modTime;
};
+/// Output to an ostream
+template<typename char_type, typename traits_type>
+inline
+std::basic_ostream<char_type, traits_type>&
+operator<<(std::basic_ostream<char_type, traits_type>& s, const SGPath& p)
+{ return s << "Path \"" << p.str() << "\""; }
+
/**
* Split a directory string into a list of it's parent directories.