1 /*

     2  * Copyright 2005 Frerich Raabe <raabe@kde.org>

     3  * Copyright (C) 2006 Apple Computer, Inc.

     4  *

     5  * Redistribution and use in source and binary forms, with or without

     6  * modification, are permitted provided that the following conditions

     7  * are met:

     8  * 

     9  * 1. Redistributions of source code must retain the above copyright

    10  *    notice, this list of conditions and the following disclaimer.

    11  * 2. Redistributions in binary form must reproduce the above copyright

    12  *    notice, this list of conditions and the following disclaimer in the

    13  *    documentation and/or other materials provided with the distribution.

    14  * 

    15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR

    16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES

    17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.

    18  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,

    19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT

    20  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,

    21  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY

    22  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

    23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF

    24  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

    25  */

    26 

    27 #ifndef XPathEvaluator_h

    28 #define XPathEvaluator_h

    29 

    30 #if ENABLE(XPATH)

    31 

    32 #include <wtf/RefCounted.h>

    33 #include <wtf/PassRefPtr.h>

    34 

    35 namespace WebCore {

    36 

    37     typedef int ExceptionCode;

    38 

    39     class Node;

    40     class String;

    41     class XPathExpression;

    42     class XPathNSResolver;

    43     class XPathResult;

    44 

    45     class XPathEvaluator : public RefCounted<XPathEvaluator> {

    46     public:

    47         static PassRefPtr<XPathEvaluator> create() { return adoptRef(new XPathEvaluator); }

    48         

    49         PassRefPtr<XPathExpression> createExpression(const String& expression, XPathNSResolver*, ExceptionCode&);

    50         PassRefPtr<XPathNSResolver> createNSResolver(Node* nodeResolver);

    51         PassRefPtr<XPathResult> evaluate(const String& expression, Node* contextNode,

    52             XPathNSResolver*, unsigned short type, XPathResult*, ExceptionCode&);

    53 

    54     private:

    55         XPathEvaluator() { }

    56     };

    57 

    58 }

    59 

    60 #endif // ENABLE(XPATH)

    61 

    62 #endif // XPathEvaluator_h