#ifndef __HASH_H #define __HASH_H #include <string> #include "util.hh" using namespace std; struct Hash { static const unsigned int hashSize = 16; unsigned char hash[hashSize]; /* Create a zeroed hash object. */ Hash(); /* Check whether two hash are equal. */ bool operator == (Hash h2); /* Check whether two hash are not equal. */ bool operator != (Hash h2); /* Convert a hash code into a hexadecimal representation. */ operator string() const; }; class BadRefError : public Error { public: BadRefError(string _err) : Error(_err) { }; }; /* Parse a hexadecimal representation of a hash code. */ Hash parseHash(const string & s); /* Verify that the given string is a valid hash code. */ bool isHash(const string & s); /* Compute the hash of the given string. */ Hash hashString(const string & s); /* Compute the hash of the given file. */ Hash hashFile(const string & fileName); /* Compute the hash of the given path. The hash is defined as md5(dump(path)). */ Hash hashPath(const string & path); #endif /* !__HASH_H */