// String.h

#ifndef STRING_H
#define STRING_H

#include <string.h>

#include <SupportDefs.h>


// string_hash
//
// from the Dragon Book: a slightly modified hashpjw()
static inline
uint32
string_hash(const char *name)
{
        uint32 h = 0;
        if (name) {
                for (; *name; name++) {
                        uint32 g = h & 0xf0000000;
                        if (g)
                                h ^= g >> 24;
                        h = (h << 4) + *name;
                }
        }
        return h;
}

#ifdef __cplusplus

namespace UserlandFSUtil {

// String
class String {
public:
        String();
        String(const String &string);
        String(const char *string, int32 length = -1);
        ~String();

        bool SetTo(const char *string, int32 maxLength = -1);
        void Unset();

        void Truncate(int32 newLength);

        const char *GetString() const;
        int32 GetLength() const { return fLength; }

        uint32 GetHashCode() const      { return string_hash(GetString()); }

        String &operator=(const String &string);
        bool operator==(const String &string) const;
        bool operator!=(const String &string) const { return !(*this == string); }

private:
        bool _SetTo(const char *string, int32 length);

private:
        int32   fLength;
        char    *fString;
};

}       // namespace UserlandFSUtil

using UserlandFSUtil::String;

#endif  // __cplusplus

#endif  // STRING_H