RetroZilla/extensions/transformiix/source/xpath/txLiteralExpr.cpp

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2015-10-21 05:03:22 +02:00
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla 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/MPL/
*
* 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 TransforMiiX XSLT processor code.
*
* The Initial Developer of the Original Code is
* IBM Corporation.
* Portions created by the Initial Developer are Copyright (C) 2002
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* IBM Corporation
*
* 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 MPL, 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 MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "Expr.h"
#include "ExprResult.h"
txLiteralExpr::txLiteralExpr(double aDbl)
: mValue(new NumberResult(aDbl, nsnull))
{
}
txLiteralExpr::txLiteralExpr(const nsAString& aStr)
: mValue(new StringResult(aStr, nsnull))
{
}
nsresult
txLiteralExpr::evaluate(txIEvalContext* aContext, txAExprResult** aResult)
{
NS_ENSURE_TRUE(mValue, NS_ERROR_OUT_OF_MEMORY);
*aResult = mValue;
NS_ADDREF(*aResult);
return NS_OK;
}
#ifdef TX_TO_STRING
void
txLiteralExpr::toString(nsAString& aStr)
{
switch (mValue->getResultType()) {
case txAExprResult::NUMBER:
{
Double::toString(mValue->numberValue(), aStr);
return;
}
case txAExprResult::STRING:
{
StringResult* strRes =
NS_STATIC_CAST(StringResult*, NS_STATIC_CAST(txAExprResult*,
mValue));
PRUnichar ch = '\'';
if (strRes->mValue.FindChar(ch) != kNotFound) {
ch = '\"';
}
aStr.Append(ch);
aStr.Append(strRes->mValue);
aStr.Append(ch);
return;
}
}
}
#endif