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file-system.h
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file-system.h
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#ifndef _paintown_file_system_h
#define _paintown_file_system_h
#include "exceptions/exception.h"
#include <string>
#include <vector>
namespace Filesystem{
/* sorry for the crappy abbreviation, but can't collide with the
* Exception class here
*/
namespace Exc = ::Exception;
class Exception: public Exc::Base {
public:
Exception(const std::string & where, int line, const std::string & file);
Exception(const std::string & where, int line, const Exc::Base & nested, const std::string & file);
Exception(const Exception & copy);
virtual ~Exception() throw ();
protected:
virtual const std::string getReason() const;
virtual Exc::Base * copy() const {
return new Exception(*this);
}
private:
std::string reason;
};
class NotFound: public Exception {
public:
NotFound(const std::string & where, int line, const std::string & file);
NotFound(const std::string & where, int line, const Exc::Base & nested, const std::string & file);
virtual ~NotFound() throw();
NotFound(const NotFound & copy);
protected:
virtual Exc::Base * copy() const {
return new NotFound(*this);
}
};
class IllegalPath: public Exception {
public:
IllegalPath(const std::string & where, int line, const std::string & file);
IllegalPath(const std::string & where, int line, const Exc::Base & nested, const std::string & file);
virtual ~IllegalPath() throw();
IllegalPath(const IllegalPath & copy);
protected:
virtual Exc::Base * copy() const {
return new IllegalPath(*this);
}
};
class Path{
public:
const std::string & path() const;
bool isEmpty() const;
virtual ~Path();
protected:
Path();
Path(const std::string & path);
Path(const Path & path);
virtual inline void setPath(const std::string & s){
mypath = s;
}
std::string mypath;
};
/* relative path should not have the leading data directory on it, just
* the path within the paintown system.
*/
class RelativePath: public Path {
public:
explicit RelativePath();
explicit RelativePath(const std::string & path);
RelativePath(const RelativePath & path);
bool operator<(const RelativePath & path) const;
virtual RelativePath getDirectory() const;
virtual RelativePath getFilename() const;
/* a/ + b/ = a/b/ */
RelativePath join(const RelativePath & path) const;
RelativePath & operator=(const RelativePath & copy);
bool operator==(const RelativePath & path) const;
};
/* absolute paths should have the entire filesystem path on it */
class AbsolutePath: public Path {
public:
explicit AbsolutePath();
explicit AbsolutePath(const std::string & path);
AbsolutePath(const AbsolutePath & path);
AbsolutePath & operator=(const AbsolutePath & copy);
bool operator<(const AbsolutePath & path) const;
bool operator==(const AbsolutePath & path) const;
virtual AbsolutePath getDirectory() const;
virtual AbsolutePath getFilename() const;
AbsolutePath join(const RelativePath & path) const;
};
/* given a relative path like sounds/arrow.png, prepend the proper
* data path to it to give data/sounds/arrow.png
*/
AbsolutePath find(const RelativePath & path);
/* whether the file exists at all */
bool exists(const RelativePath & path);
bool exists(const AbsolutePath & path);
/* remove the data path from a string
* data/sounds/arrow.png -> sounds/arrow.png
*/
RelativePath cleanse(const AbsolutePath & path);
/* returns all the directories starting with the given path.
* will look in the main data directory, the user directory, and
* the current working directory.
*/
std::vector<AbsolutePath> findDirectories(const RelativePath & path);
/* basename, just get the filename and remove the directory part */
std::string stripDir(const std::string & str);
/* remove extension. foo.txt -> foo */
std::string removeExtension(const std::string & str);
/* user specific directory to hold persistent data */
AbsolutePath userDirectory();
/* user specific path to store the configuration file */
AbsolutePath configFile();
std::vector<AbsolutePath> getFiles(const AbsolutePath & dataPath, const std::string & find, bool caseInsensitive = false);
std::string invertSlashes(const std::string & str);
std::string sanitize(std::string path);
}
#endif

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