guix/src/util.hh
Eelco Dolstra 822794001c * Started implementing the new evaluation model.
* Lots of refactorings.
* Unit tests.
2003-06-16 13:33:38 +00:00

61 lines
1.1 KiB
C++

#ifndef __UTIL_H
#define __UTIL_H
#include <string>
#include <vector>
#include <sstream>
#include <unistd.h>
using namespace std;
class Error : public exception
{
protected:
string err;
public:
Error() { }
Error(string _err) { err = _err; }
~Error() throw () { }
const char * what() const throw () { return err.c_str(); }
};
class SysError : public Error
{
public:
SysError(string msg);
};
class UsageError : public Error
{
public:
UsageError(string _err) : Error(_err) { };
};
typedef vector<string> Strings;
/* The canonical system name, as returned by config.guess. */
extern string thisSystem;
/* Return an absolutized path, resolving paths relative to the
specified directory, or the current directory otherwise. */
string absPath(string path, string dir = "");
/* Return the directory part of the given path, i.e., everything
before the final `/'. */
string dirOf(string path);
/* Return the base name of the given path, i.e., everything following
the final `/'. */
string baseNameOf(string path);
void debug(string s);
#endif /* !__UTIL_H */