/*
 * uriparser - RFC 3986 URI parsing library
 *
 * Copyright (C) 2007, Weijia Song <songweijia@gmail.com>
 * Copyright (C) 2007, Sebastian Pipping <webmaster@hartwork.org>
 * All rights reserved.
 *
 * Redistribution  and use in source and binary forms, with or without
 * modification,  are permitted provided that the following conditions
 * are met:
 *
 *     * Redistributions   of  source  code  must  retain  the   above
 *       copyright  notice, this list of conditions and the  following
 *       disclaimer.
 *
 *     * Redistributions  in  binary  form must  reproduce  the  above
 *       copyright  notice, this list of conditions and the  following
 *       disclaimer   in  the  documentation  and/or  other  materials
 *       provided with the distribution.
 *
 *     * Neither  the name of the <ORGANIZATION> nor the names of  its
 *       contributors  may  be  used to endorse  or  promote  products
 *       derived  from  this software without specific  prior  written
 *       permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS  IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT  NOT
 * LIMITED  TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND  FITNESS
 * FOR  A  PARTICULAR  PURPOSE ARE DISCLAIMED. IN NO EVENT  SHALL  THE
 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL,    SPECIAL,   EXEMPLARY,   OR   CONSEQUENTIAL   DAMAGES
 * (INCLUDING,  BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES;  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT  LIABILITY,  OR  TORT (INCLUDING  NEGLIGENCE  OR  OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 * OF THE POSSIBILITY OF SUCH DAMAGE.
 */

/* What encodings are enabled? */
#include "UriDefsConfig.h"
#if (!defined(URI_PASS_ANSI) && !defined(URI_PASS_UNICODE))
/* Include SELF twice */
# define URI_PASS_ANSI 1
# include "UriCompare.c"
# undef URI_PASS_ANSI
# define URI_PASS_UNICODE 1
# include "UriCompare.c"
# undef URI_PASS_UNICODE
#else
# ifdef URI_PASS_ANSI
#  include "UriDefsAnsi.h"
# else
#  include "UriDefsUnicode.h"
#  include <wchar.h>
# endif



#ifndef URI_DOXYGEN
# include "Uri.h"
# include "UriIp4.h"
# include "UriCommon.h"
#endif



static int URI_FUNC(CompareRange)(const URI_TYPE(TextRange) * a,
		const URI_TYPE(TextRange) * b);



/* Compares two text ranges for equal text content */
static URI_INLINE int URI_FUNC(CompareRange)(const URI_TYPE(TextRange) * a,
		const URI_TYPE(TextRange) * b) {
	int diff;

	/* NOTE: Both NULL means equal! */
	if ((a == NULL) || (b == NULL)) {
		return ((a == NULL) && (b == NULL)) ? URI_TRUE : URI_FALSE;
	}

	diff = ((int)(a->afterLast - a->first) - (int)(b->afterLast - b->first));
	if (diff > 0) {
		return 1;
	} else if (diff < 0) {
		return -1;
	}

	return URI_STRNCMP(a->first, b->first, (a->afterLast - a->first));
}



UriBool URI_FUNC(EqualsUri)(const URI_TYPE(Uri) * a,
		const URI_TYPE(Uri) * b) {
	/* NOTE: Both NULL means equal! */
	if ((a == NULL) || (b == NULL)) {
		return ((a == NULL) && (b == NULL)) ? URI_TRUE : URI_FALSE;
	}

	/* scheme */
	if (URI_FUNC(CompareRange)(&(a->scheme), &(b->scheme))) {
		return URI_FALSE;
	}

	/* absolutePath */
	if ((a->scheme.first == NULL)&& (a->absolutePath != b->absolutePath)) {
		return URI_FALSE;
	}

	/* userInfo */
	if (URI_FUNC(CompareRange)(&(a->userInfo), &(b->userInfo))) {
		return URI_FALSE;
	}

	/* Host */
	if (((a->hostData.ip4 == NULL) != (b->hostData.ip4 == NULL))
			|| ((a->hostData.ip6 == NULL) != (b->hostData.ip6 == NULL))
			|| ((a->hostData.ipFuture.first == NULL)
				!= (b->hostData.ipFuture.first == NULL))) {
		return URI_FALSE;
	}

	if (a->hostData.ip4 != NULL) {
		if (memcmp(a->hostData.ip4->data, b->hostData.ip4->data, 4)) {
			return URI_FALSE;
		}
	}

	if (a->hostData.ip6 != NULL) {
		if (memcmp(a->hostData.ip6->data, b->hostData.ip6->data, 16)) {
			return URI_FALSE;
		}
	}

	if (a->hostData.ipFuture.first != NULL) {
		if (URI_FUNC(CompareRange)(&(a->hostData.ipFuture), &(b->hostData.ipFuture))) {
			return URI_FALSE;
		}
	}

	if ((a->hostData.ip4 == NULL)
			&& (a->hostData.ip6 == NULL)
			&& (a->hostData.ipFuture.first == NULL)) {
		if (URI_FUNC(CompareRange)(&(a->hostText), &(b->hostText))) {
			return URI_FALSE;
		}
	}

	/* portText */
	if (URI_FUNC(CompareRange)(&(a->portText), &(b->portText))) {
		return URI_FALSE;
	}

	/* Path */
	if ((a->pathHead == NULL) != (b->pathHead == NULL)) {
		return URI_FALSE;
	}

	if (a->pathHead != NULL) {
		URI_TYPE(PathSegment) * walkA = a->pathHead;
		URI_TYPE(PathSegment) * walkB = b->pathHead;
		do {
			if (URI_FUNC(CompareRange)(&(walkA->text), &(walkB->text))) {
				return URI_FALSE;
			}
			if ((walkA->next == NULL) != (walkB->next == NULL)) {
				return URI_FALSE;
			}
			walkA = walkA->next;
			walkB = walkB->next;
		} while (walkA != NULL);
	}

	/* query */
	if (URI_FUNC(CompareRange)(&(a->query), &(b->query))) {
		return URI_FALSE;
	}

	/* fragment */
	if (URI_FUNC(CompareRange)(&(a->fragment), &(b->fragment))) {
		return URI_FALSE;
	}

	return URI_TRUE; /* Equal*/
}



#endif
