hasher.h

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#ifndef __ZGEN_UTILS_HASHER_H__
#define __ZGEN_UTILS_HASHER_H__

#include <cstring>

namespace ZGen {

namespace Utility {

// Provide hash function for character array.
struct __Default_CharArray_Hash_Function {
  size_t operator() (const char* s) const {
    unsigned int hashTemp = 0;
    while (*s) {
      hashTemp = hashTemp * 101 + *s ++;
    }
    return (size_t(hashTemp));
  }

  bool operator() (const char* s1, const char* s2) const {
    return (strcmp(s1, s2) < 0);
  }
};

// Provide an equal function for character array.
struct __Default_CharArray_Equal_Function {
  bool operator() (const char* s1, const char* s2) const {
    return (strcmp(s1, s2) == 0);
  }
};


}

} //  end for namespace ZGen

#endif  //  end for __ZGEN_UTILS_HASHER_H__