зеркало из https://github.com/mozilla/pjs.git
124 строки
4.5 KiB
C++
124 строки
4.5 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* ***** 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 the Mozilla SVG project.
|
|
*
|
|
* The Initial Developer of the Original Code is Robert Longson.
|
|
* Portions created by the Initial Developer are Copyright (C) 2010
|
|
* the Initial Developer. All Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
*
|
|
* Alternatively, the contents of this file may be used under the terms of
|
|
* either of 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 "SMILStringType.h"
|
|
#include "nsSMILValue.h"
|
|
#include "nsDebug.h"
|
|
#include "nsString.h"
|
|
|
|
namespace mozilla {
|
|
|
|
/*static*/ SMILStringType SMILStringType::sSingleton;
|
|
|
|
void
|
|
SMILStringType::Init(nsSMILValue& aValue) const
|
|
{
|
|
NS_PRECONDITION(aValue.IsNull(), "Unexpected value type");
|
|
aValue.mU.mPtr = new nsString();
|
|
aValue.mType = this;
|
|
}
|
|
|
|
void
|
|
SMILStringType::Destroy(nsSMILValue& aValue) const
|
|
{
|
|
NS_PRECONDITION(aValue.mType == this, "Unexpected SMIL value");
|
|
delete static_cast<nsAString*>(aValue.mU.mPtr);
|
|
aValue.mU.mPtr = nsnull;
|
|
aValue.mType = &nsSMILNullType::sSingleton;
|
|
}
|
|
|
|
nsresult
|
|
SMILStringType::Assign(nsSMILValue& aDest, const nsSMILValue& aSrc) const
|
|
{
|
|
NS_PRECONDITION(aDest.mType == aSrc.mType, "Incompatible SMIL types");
|
|
NS_PRECONDITION(aDest.mType == this, "Unexpected SMIL value");
|
|
|
|
const nsAString* src = static_cast<const nsAString*>(aSrc.mU.mPtr);
|
|
nsAString* dst = static_cast<nsAString*>(aDest.mU.mPtr);
|
|
*dst = *src;
|
|
return NS_OK;
|
|
}
|
|
|
|
bool
|
|
SMILStringType::IsEqual(const nsSMILValue& aLeft,
|
|
const nsSMILValue& aRight) const
|
|
{
|
|
NS_PRECONDITION(aLeft.mType == aRight.mType, "Incompatible SMIL types");
|
|
NS_PRECONDITION(aLeft.mType == this, "Unexpected type for SMIL value");
|
|
|
|
const nsAString* leftString =
|
|
static_cast<const nsAString*>(aLeft.mU.mPtr);
|
|
const nsAString* rightString =
|
|
static_cast<nsAString*>(aRight.mU.mPtr);
|
|
return *leftString == *rightString;
|
|
}
|
|
|
|
nsresult
|
|
SMILStringType::Add(nsSMILValue& aDest, const nsSMILValue& aValueToAdd,
|
|
PRUint32 aCount) const
|
|
{
|
|
NS_PRECONDITION(aValueToAdd.mType == aDest.mType,
|
|
"Trying to add invalid types");
|
|
NS_PRECONDITION(aValueToAdd.mType == this, "Unexpected source type");
|
|
return NS_ERROR_FAILURE; // string values can't be added to each other
|
|
}
|
|
|
|
nsresult
|
|
SMILStringType::ComputeDistance(const nsSMILValue& aFrom,
|
|
const nsSMILValue& aTo,
|
|
double& aDistance) const
|
|
{
|
|
NS_PRECONDITION(aFrom.mType == aTo.mType,"Trying to compare different types");
|
|
NS_PRECONDITION(aFrom.mType == this, "Unexpected source type");
|
|
return NS_ERROR_FAILURE; // there is no concept of distance between string values
|
|
}
|
|
|
|
nsresult
|
|
SMILStringType::Interpolate(const nsSMILValue& aStartVal,
|
|
const nsSMILValue& aEndVal,
|
|
double aUnitDistance,
|
|
nsSMILValue& aResult) const
|
|
{
|
|
NS_PRECONDITION(aStartVal.mType == aEndVal.mType,
|
|
"Trying to interpolate different types");
|
|
NS_PRECONDITION(aStartVal.mType == this,
|
|
"Unexpected types for interpolation");
|
|
NS_PRECONDITION(aResult.mType == this, "Unexpected result type");
|
|
return NS_ERROR_FAILURE; // string values do not interpolate
|
|
}
|
|
|
|
} // namespace mozilla
|