/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* ***** BEGIN LICENSE BLOCK *****
 * Version: NPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Netscape Public License
 * Version 1.1 (the "License"); you may not use this file except in
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 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
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 *
 * The Original Code is mozilla.org code.
 *
 * The Initial Developer of the Original Code is
 * Andreas Otte.
 * Portions created by the Initial Developer are Copyright (C) 2000
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *
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 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
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#ifndef _nsURLHelper_h_
#define _nsURLHelper_h_

#include "prtypes.h"
#include "nscore.h"
#include "nsCRT.h"
#include "nsString.h"

/* Get port from string */ 
PRInt32 ExtractPortFrom(const char* src);

/* Extract string out of another */
nsresult ExtractString(char* i_Src, char* *o_Dest, PRUint32 length);

/* Duplicate string */
nsresult DupString(char* *o_Dest, const char* i_Src);

/* handle .. in dirs */
void CoalesceDirs(char* io_Path);

/* convert to lower case */
void ToLowerCase(char* str, PRUint32 length);
void ToLowerCase(char* str);

/* Extract URI-Scheme if possible */
nsresult ExtractURLScheme(const char* inURI, PRUint32 *startPos, 
                                 PRUint32 *endPos, char* *scheme);

/* check that the given scheme conforms to RFC 2396 */
PRBool IsValidScheme(const char *scheme, PRUint32 schemeLen);

#endif