/*
* Copyright (C) 2006 Apple Computer, Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``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 APPLE COMPUTER, INC. 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.
*/
#import "config.h"
#if XPATH_SUPPORT
#import "DOMXPath.h"
#import "DOMInternal.h"
#import "DOMXPathInternal.h"
#import "Document.h"
using WebCore::ExceptionCode;
using WebCore::XPathExpression;
using WebCore::XPathNSResolver;
using WebCore::XPathResult;
@implementation DOMNativeXPathNSResolver
- (void)dealloc
{
if (_internal) {
DOM_cast<XPathNSResolver*>(_internal)->deref();
}
[super dealloc];
}
- (void)finalize
{
if (_internal) {
DOM_cast<XPathNSResolver*>(_internal)->deref();
}
[super finalize];
}
- (XPathNSResolver *)_xpathNSResolver
{
return DOM_cast<XPathNSResolver *>(_internal);
}
- (id)_initWithXPathNSResolver:(XPathNSResolver *)impl
{
ASSERT(impl);
[super _init];
_internal = DOM_cast<DOMObjectInternal *>(impl);
impl->ref();
addDOMWrapper(self, impl);
return self;
}
+ (DOMNativeXPathNSResolver *)_xpathNSResolverWith:(XPathNSResolver *)impl
{
if (!impl)
return nil;
id cachedInstance;
cachedInstance = getDOMWrapper(impl);
if (cachedInstance)
return [[cachedInstance retain] autorelease];
return [[[DOMNativeXPathNSResolver alloc] _initWithXPathNSResolver:impl] autorelease];
}
- (NSString *)lookupNamespaceURI:(NSString *)prefix
{
return [self _xpathNSResolver]->lookupNamespaceURI(prefix);
}
@end
@implementation DOMXPathResult
- (void)dealloc
{
if (_internal) {
DOM_cast<XPathResult*>(_internal)->deref();
}
[super dealloc];
}
- (void)finalize
{
if (_internal) {
DOM_cast<XPathResult*>(_internal)->deref();
}
[super finalize];
}
- (unsigned short)resultType
{
return [self _xpathResult]->resultType();
}
- (double)numberValue
{
ExceptionCode ec = 0;
double result = [self _xpathResult]->numberValue(ec);
raiseOnDOMError(ec);
return result;
}
- (NSString *)stringValue
{
ExceptionCode ec = 0;
NSString *result = [self _xpathResult]->stringValue(ec);
raiseOnDOMError(ec);
return result;
}
- (BOOL)booleanValue
{
ExceptionCode ec = 0;
BOOL result = [self _xpathResult]->booleanValue(ec);
raiseOnDOMError(ec);
return result;
}
- (DOMNode *)singleNodeValue
{
ExceptionCode ec = 0;
DOMNode *result = [DOMNode _nodeWith:[self _xpathResult]->singleNodeValue(ec)];
raiseOnDOMError(ec);
return result;
}
- (BOOL)invalidIteratorState
{
return [self _xpathResult]->invalidIteratorState();
}
- (unsigned)snapshotLength
{
ExceptionCode ec = 0;
unsigned result = [self _xpathResult]->snapshotLength(ec);
raiseOnDOMError(ec);
return result;
}
- (DOMNode *)iterateNext
{
ExceptionCode ec = 0;
DOMNode *result = [DOMNode _nodeWith:[self _xpathResult]->iterateNext(ec)];
raiseOnDOMError(ec);
return result;
}
- (DOMNode *)snapshotItem:(unsigned)index
{
ExceptionCode ec = 0;
DOMNode *result = [DOMNode _nodeWith:[self _xpathResult]->snapshotItem(index, ec)];
raiseOnDOMError(ec);
return result;
}
@end
@implementation DOMXPathResult (WebCoreInternal)
- (XPathResult *)_xpathResult
{
return DOM_cast<XPathResult *>(_internal);
}
- (id)_initWithXPathResult:(XPathResult *)impl
{
ASSERT(impl);
[super _init];
_internal = DOM_cast<DOMObjectInternal *>(impl);
impl->ref();
addDOMWrapper(self, impl);
return self;
}
+ (DOMXPathResult *)_xpathResultWith:(XPathResult *)impl
{
if (!impl)
return nil;
id cachedInstance;
cachedInstance = getDOMWrapper(impl);
if (cachedInstance)
return [[cachedInstance retain] autorelease];
return [[[DOMXPathResult alloc] _initWithXPathResult:impl] autorelease];
}
@end
@implementation DOMXPathExpression
- (void)dealloc
{
if (_internal) {
DOM_cast<XPathNSResolver*>(_internal)->deref();
}
[super dealloc];
}
- (void)finalize
{
if (_internal) {
DOM_cast<XPathNSResolver*>(_internal)->deref();
}
[super finalize];
}
- (DOMXPathResult *)evaluate:(DOMNode *)contextNode :(unsigned short)type :(DOMXPathResult *)result
{
ExceptionCode ec = 0;
DOMXPathResult *_result = [DOMXPathResult _xpathResultWith:[self _xpathExpression]->evaluate([contextNode _node], type, [result _xpathResult], ec).get()];
raiseOnDOMError(ec);
return _result;
}
@end
@implementation DOMXPathExpression (WebCoreInternal)
- (XPathExpression *)_xpathExpression
{
return DOM_cast<XPathExpression *>(_internal);
}
- (id)_initWithXPathExpression:(XPathExpression *)impl
{
ASSERT(impl);
[super _init];
_internal = DOM_cast<DOMObjectInternal *>(impl);
impl->ref();
addDOMWrapper(self, impl);
return self;
}
+ (DOMXPathExpression *)_xpathExpressionWith:(XPathExpression *)impl
{
if (!impl)
return nil;
id cachedInstance;
cachedInstance = getDOMWrapper(impl);
if (cachedInstance)
return [[cachedInstance retain] autorelease];
return [[[DOMXPathExpression alloc] _initWithXPathExpression:impl] autorelease];
}
@end
@implementation DOMDocument (DOMDocumentXPath)
- (DOMXPathExpression *)createExpression:(NSString *)expression :(id <DOMXPathNSResolver>)resolver
{
if (resolver && ![resolver isMemberOfClass:[DOMNativeXPathNSResolver class]])
[NSException raise:NSGenericException format:@"createExpression currently does not work with custom NS resolvers"];
DOMNativeXPathNSResolver *nativeResolver = (DOMNativeXPathNSResolver *)resolver;
ExceptionCode ec = 0;
DOMXPathExpression *result = [DOMXPathExpression _xpathExpressionWith:[self _document]->createExpression(expression, [nativeResolver _xpathNSResolver], ec).get()];
raiseOnDOMError(ec);
return result;
}
- (id <DOMXPathNSResolver>)createNSResolver:(DOMNode *)nodeResolver
{
return [DOMNativeXPathNSResolver _xpathNSResolverWith:[self _document]->createNSResolver([nodeResolver _node]).get()];
}
- (DOMXPathResult *)evaluate:(NSString *)expression :(DOMNode *)contextNode :(id <DOMXPathNSResolver>)resolver :(unsigned short)type :(DOMXPathResult *)result
{
if (resolver && ![resolver isMemberOfClass:[DOMNativeXPathNSResolver class]])
[NSException raise:NSGenericException format:@"createExpression currently does not work with custom NS resolvers"];
DOMNativeXPathNSResolver *nativeResolver = (DOMNativeXPathNSResolver *)resolver;
ExceptionCode ec = 0;
DOMXPathResult *_result = [DOMXPathResult _xpathResultWith:[self _document]->evaluate(expression, [contextNode _node], [nativeResolver _xpathNSResolver], type, [result _xpathResult], ec).get()];
raiseOnDOMError(ec);
return _result;
}
@end
#endif // XPATH_SUPPORT