gecko-dev/xpcom/base/nsID.cpp

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/*
 * The contents of this file are subject to the Netscape Public License
 * Version 1.0 (the "NPL"); you may not use this file except in
 * compliance with the NPL.  You may obtain a copy of the NPL at
 * http://www.mozilla.org/NPL/
 *
 * Software distributed under the NPL is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
 * for the specific language governing rights and limitations under the
 * NPL.
 *
 * The Initial Developer of this code under the NPL is Netscape
 * Communications Corporation.  Portions created by Netscape are
 * Copyright (C) 1998 Netscape Communications Corporation.  All Rights
 * Reserved.
 */

#include <stdio.h>
#include "nsID.h"

static const char gIDFormat[] = 
  "{%08lx-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x}";

/* 
 * Turns a {xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx} string into
 * an nsID
 */

PRBool nsID::Parse(char *aIDStr) {
  int count, n1, n2, n3[8];
  long int n0;

  count = sscanf(aIDStr, gIDFormat,
                 &n0, &n1, &n2, 
                 &n3[0],&n3[1],&n3[2],&n3[3],
                 &n3[4],&n3[5],&n3[6],&n3[7]);

  m0 = (PRInt32) n0;
  m1 = (PRInt16) n1;
  m2 = (PRInt16) n2;
  for (int i = 0; i < 8; i++) {
    m3[i] = (PRInt8) n3[i];
  }

  return (PRBool) (count == 11);
}

/*
 * Returns an allocated string in {xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx}
 * format. Caller should delete [] the string.
 */

char *nsID::ToString() const 
{
  char *res = new char[39];

  if (res != NULL) {
    sprintf(res, gIDFormat,
            (long int) m0, (int) m1, (int) m2,
            (int) m3[0], (int) m3[1], (int) m3[2], (int) m3[3],
            (int) m3[4], (int) m3[5], (int) m3[6], (int) m3[7]);
  }
  return res;
}