LCOV - code coverage report
Current view: directory - content/smil - SMILStringType.cpp (source / functions) Found Hit Coverage
Test: app.info Lines: 39 2 5.1 %
Date: 2012-06-02 Functions: 10 2 20.0 %

       1                 : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2                 : /* ***** BEGIN LICENSE BLOCK *****
       3                 :  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
       4                 :  *
       5                 :  * The contents of this file are subject to the Mozilla Public License Version
       6                 :  * 1.1 (the "License"); you may not use this file except in compliance with
       7                 :  * the License. You may obtain a copy of the License at
       8                 :  * http://www.mozilla.org/MPL/
       9                 :  *
      10                 :  * Software distributed under the License is distributed on an "AS IS" basis,
      11                 :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
      12                 :  * for the specific language governing rights and limitations under the
      13                 :  * License.
      14                 :  *
      15                 :  * The Original Code is the Mozilla SVG project.
      16                 :  *
      17                 :  * The Initial Developer of the Original Code is Robert Longson.
      18                 :  * Portions created by the Initial Developer are Copyright (C) 2010
      19                 :  * the Initial Developer. All Rights Reserved.
      20                 :  *
      21                 :  * Contributor(s):
      22                 :  *
      23                 :  * Alternatively, the contents of this file may be used under the terms of
      24                 :  * either of the GNU General Public License Version 2 or later (the "GPL"),
      25                 :  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
      26                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
      27                 :  * of those above. If you wish to allow use of your version of this file only
      28                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
      29                 :  * use your version of this file under the terms of the MPL, indicate your
      30                 :  * decision by deleting the provisions above and replace them with the notice
      31                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
      32                 :  * the provisions above, a recipient may use your version of this file under
      33                 :  * the terms of any one of the MPL, the GPL or the LGPL.
      34                 :  *
      35                 :  * ***** END LICENSE BLOCK ***** */
      36                 : 
      37                 : #include "SMILStringType.h"
      38                 : #include "nsSMILValue.h"
      39                 : #include "nsDebug.h"
      40                 : #include "nsString.h"
      41                 : 
      42                 : namespace mozilla {
      43                 : 
      44            1464 : /*static*/ SMILStringType SMILStringType::sSingleton;
      45                 : 
      46                 : void
      47               0 : SMILStringType::Init(nsSMILValue& aValue) const
      48                 : {
      49               0 :   NS_PRECONDITION(aValue.IsNull(), "Unexpected value type");
      50               0 :   aValue.mU.mPtr = new nsString();
      51               0 :   aValue.mType = this;
      52               0 : }
      53                 : 
      54                 : void
      55               0 : SMILStringType::Destroy(nsSMILValue& aValue) const
      56                 : {
      57               0 :   NS_PRECONDITION(aValue.mType == this, "Unexpected SMIL value");
      58               0 :   delete static_cast<nsAString*>(aValue.mU.mPtr);
      59               0 :   aValue.mU.mPtr = nsnull;
      60               0 :   aValue.mType = &nsSMILNullType::sSingleton;
      61               0 : }
      62                 : 
      63                 : nsresult
      64               0 : SMILStringType::Assign(nsSMILValue& aDest, const nsSMILValue& aSrc) const
      65                 : {
      66               0 :   NS_PRECONDITION(aDest.mType == aSrc.mType, "Incompatible SMIL types");
      67               0 :   NS_PRECONDITION(aDest.mType == this, "Unexpected SMIL value");
      68                 : 
      69               0 :   const nsAString* src = static_cast<const nsAString*>(aSrc.mU.mPtr);
      70               0 :   nsAString* dst = static_cast<nsAString*>(aDest.mU.mPtr);
      71               0 :   *dst = *src;
      72               0 :   return NS_OK;
      73                 : }
      74                 : 
      75                 : bool
      76               0 : SMILStringType::IsEqual(const nsSMILValue& aLeft,
      77                 :                         const nsSMILValue& aRight) const
      78                 : {
      79               0 :   NS_PRECONDITION(aLeft.mType == aRight.mType, "Incompatible SMIL types");
      80               0 :   NS_PRECONDITION(aLeft.mType == this, "Unexpected type for SMIL value");
      81                 : 
      82                 :   const nsAString* leftString =
      83               0 :     static_cast<const nsAString*>(aLeft.mU.mPtr);
      84                 :   const nsAString* rightString =
      85               0 :     static_cast<nsAString*>(aRight.mU.mPtr);
      86               0 :   return *leftString == *rightString;
      87                 : }
      88                 : 
      89                 : nsresult
      90               0 : SMILStringType::Add(nsSMILValue& aDest, const nsSMILValue& aValueToAdd,
      91                 :                     PRUint32 aCount) const
      92                 : {
      93               0 :   NS_PRECONDITION(aValueToAdd.mType == aDest.mType,
      94                 :                   "Trying to add invalid types");
      95               0 :   NS_PRECONDITION(aValueToAdd.mType == this, "Unexpected source type");
      96               0 :   return NS_ERROR_FAILURE; // string values can't be added to each other
      97                 : }
      98                 : 
      99                 : nsresult
     100               0 : SMILStringType::ComputeDistance(const nsSMILValue& aFrom,
     101                 :                                 const nsSMILValue& aTo,
     102                 :                                 double& aDistance) const
     103                 : {
     104               0 :   NS_PRECONDITION(aFrom.mType == aTo.mType,"Trying to compare different types");
     105               0 :   NS_PRECONDITION(aFrom.mType == this, "Unexpected source type");
     106               0 :   return NS_ERROR_FAILURE; // there is no concept of distance between string values
     107                 : }
     108                 : 
     109                 : nsresult
     110               0 : SMILStringType::Interpolate(const nsSMILValue& aStartVal,
     111                 :                             const nsSMILValue& aEndVal,
     112                 :                             double aUnitDistance,
     113                 :                             nsSMILValue& aResult) const
     114                 : {
     115               0 :   NS_PRECONDITION(aStartVal.mType == aEndVal.mType,
     116                 :       "Trying to interpolate different types");
     117               0 :   NS_PRECONDITION(aStartVal.mType == this,
     118                 :       "Unexpected types for interpolation");
     119               0 :   NS_PRECONDITION(aResult.mType   == this, "Unexpected result type");
     120               0 :   return NS_ERROR_FAILURE; // string values do not interpolate
     121                 : }
     122                 : 
     123            4392 : } // namespace mozilla

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