mirror of
https://github.com/rn10950/RetroZilla.git
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116 lines
3.6 KiB
C++
116 lines
3.6 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is TransforMiiX XSLT processor code.
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*
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* The Initial Developer of the Original Code is
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* The MITRE Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1999
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Keith Visco <kvisco@ziplink.net> (Original Author)
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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/**
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* AttributeValueTemplate
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**/
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#include "Expr.h"
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#include "ExprResult.h"
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#include "txIXPathContext.h"
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/**
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* Create a new AttributeValueTemplate
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**/
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AttributeValueTemplate::AttributeValueTemplate() {}
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/**
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* Default destructor
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**/
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AttributeValueTemplate::~AttributeValueTemplate() {
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txListIterator iter(&expressions);
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while (iter.hasNext()) {
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delete (Expr*)iter.next();
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}
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} //-- ~AttributeValueTemplate
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/**
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* Adds the given Expr to this AttributeValueTemplate
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**/
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void AttributeValueTemplate::addExpr(Expr* expr) {
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if (expr) expressions.add(expr);
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} //-- addExpr
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/**
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* Evaluates this Expr based on the given context node and processor state
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* @param context the context node for evaluation of this Expr
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* @param ps the ContextState containing the stack information needed
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* for evaluation
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* @return the result of the evaluation
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**/
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nsresult
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AttributeValueTemplate::evaluate(txIEvalContext* aContext,
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txAExprResult** aResult)
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{
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*aResult = nsnull;
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txListIterator iter(&expressions);
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nsRefPtr<StringResult> strRes;
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nsresult rv = aContext->recycler()->getStringResult(getter_AddRefs(strRes));
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NS_ENSURE_SUCCESS(rv, rv);
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while (iter.hasNext()) {
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Expr* expr = (Expr*)iter.next();
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nsRefPtr<txAExprResult> exprResult;
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nsresult rv = expr->evaluate(aContext, getter_AddRefs(exprResult));
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NS_ENSURE_SUCCESS(rv, rv);
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exprResult->stringValue(strRes->mValue);
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}
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*aResult = strRes;
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NS_ADDREF(*aResult);
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return NS_OK;
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} //-- evaluate
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#ifdef TX_TO_STRING
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void
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AttributeValueTemplate::toString(nsAString& str)
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{
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txListIterator iter(&expressions);
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while (iter.hasNext()) {
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str.Append(PRUnichar('{'));
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Expr* expr = (Expr*)iter.next();
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expr->toString(str);
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str.Append(PRUnichar('}'));
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}
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}
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#endif
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