Bommels05/Mozilla
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

New files for bug 103235 (Implement DOM Level 3 XPath WD). r=sicking, sr=jst, a=dbaron.

Browse Source 
git-svn-id: svn://10.0.0.236/trunk@116537 18797224-902f-48f8-a5cc-f745e15eee43
This commit is contained in:
peterv%netscape.com
2002-03-14 11:12:51 +00:00
parent 97bc755c0c
commit 9c7303de8f
22 changed files with 3917 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

154
mozilla/extensions/transformiix/source/xpath/nsXPathExpression.cpp Normal file
View File

@@ -0,0 +1,154 @@
/* -*- 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
* compliance with the License. You may obtain a copy of the License at
* http://www.mozilla.org/NPL/
*
* 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
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 2001
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Peter Van der Beken <peterv@netscape.com> (original author)
*
*
* Alternatively, the contents of this file may be used under the terms of
* 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
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the NPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the NPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "nsXPathExpression.h"
#include "Expr.h"
#include "nsDOMError.h"
#include "nsIDOMClassInfo.h"
#include "nsIDOMXPathNamespace.h"
#include "nsXPathResult.h"
#include "ProcessorState.h"
NS_IMPL_ADDREF(nsXPathExpression)
NS_IMPL_RELEASE(nsXPathExpression)
NS_INTERFACE_MAP_BEGIN(nsXPathExpression)
NS_INTERFACE_MAP_ENTRY(nsIDOMXPathExpression)
NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIDOMXPathExpression)
NS_INTERFACE_MAP_ENTRY_EXTERNAL_DOM_CLASSINFO(XPathExpression)
NS_INTERFACE_MAP_END
nsXPathExpression::nsXPathExpression(Expr* aExpression) : mExpression(aExpression)
{
NS_INIT_ISUPPORTS();
}
nsXPathExpression::~nsXPathExpression()
{
delete mExpression;
}
NS_IMETHODIMP
nsXPathExpression::Evaluate(nsIDOMNode *aContextNode,
PRUint16 aType,
nsIDOMXPathResult *aInResult,
nsIDOMXPathResult **aResult)
{
NS_ENSURE_ARG(aContextNode);
nsresult rv;
PRUint16 nodeType;
rv = aContextNode->GetNodeType(&nodeType);
NS_ENSURE_SUCCESS(rv, rv);
if (nodeType == nsIDOMNode::TEXT_NODE ||
nodeType == nsIDOMNode::CDATA_SECTION_NODE) {
nsCOMPtr<nsIDOMCharacterData> textNode = do_QueryInterface(aContextNode);
NS_ENSURE_TRUE(textNode, NS_ERROR_FAILURE);
if (textNode) {
PRUint32 textLength;
textNode->GetLength(&textLength);
if (textLength == 0)
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
// XXX Need to get logical XPath text node for CDATASection
// and Text nodes.
}
else if (nodeType != nsIDOMNode::DOCUMENT_NODE &&
nodeType != nsIDOMNode::ELEMENT_NODE &&
nodeType != nsIDOMNode::ATTRIBUTE_NODE &&
nodeType != nsIDOMNode::COMMENT_NODE &&
nodeType != nsIDOMNode::PROCESSING_INSTRUCTION_NODE &&
nodeType != nsIDOMXPathNamespace::XPATH_NAMESPACE_NODE) {
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_ENSURE_ARG(aResult);
*aResult = nsnull;
nsCOMPtr<nsIDOMDocument> ownerDOMDocument;
aContextNode->GetOwnerDocument(getter_AddRefs(ownerDOMDocument));
if (!ownerDOMDocument) {
ownerDOMDocument = do_QueryInterface(aContextNode);
NS_ENSURE_TRUE(ownerDOMDocument, NS_ERROR_FAILURE);
}
Document document(ownerDOMDocument);
Node* node = document.createWrapper(aContextNode);
ProcessorState processorState;
ExprResult* exprResult = mExpression->evaluate(node, &processorState);
NS_ENSURE_TRUE(exprResult, NS_ERROR_OUT_OF_MEMORY);
PRUint16 resultType = aType;
if (aType == nsIDOMXPathResult::ANY_TYPE) {
short exprResultType = exprResult->getResultType();
switch (exprResultType) {
case ExprResult::NUMBER:
resultType = nsIDOMXPathResult::NUMBER_TYPE;
break;
case ExprResult::STRING:
resultType = nsIDOMXPathResult::STRING_TYPE;
break;
case ExprResult::BOOLEAN:
resultType = nsIDOMXPathResult::BOOLEAN_TYPE;
break;
case ExprResult::NODESET:
resultType = nsIDOMXPathResult::UNORDERED_NODE_ITERATOR_TYPE;
break;
case ExprResult::TREE_FRAGMENT:
NS_ERROR("Can't return a tree fragment!");
delete exprResult;
return NS_ERROR_FAILURE;
}
}
// We need a result object and it must be our implementation.
nsCOMPtr<nsIXPathResult> xpathResult = do_QueryInterface(aInResult);
if (!xpathResult) {
// Either no aInResult or not one of ours.
xpathResult = new nsXPathResult();
NS_ENSURE_TRUE(xpathResult, NS_ERROR_OUT_OF_MEMORY);
}
rv = xpathResult->SetExprResult(exprResult, resultType);
delete exprResult;
NS_ENSURE_SUCCESS(rv, rv);
return CallQueryInterface(xpathResult, aResult);
}