dom/xslt/base/txCore.h

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /* This Source Code Form is subject to the terms of the Mozilla Public
   3  * License, v. 2.0. If a copy of the MPL was not distributed with this
   4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   5
   6 #ifndef __txCore_h__
   7 #define __txCore_h__
   8
   9 #include "nscore.h"
  10 #include "nsDebug.h"
  11 #include "nsISupportsImpl.h"
  12
  13 class nsAString;
  14
  15 class txObject
  16 {
  17 public:
  18     txObject()
  19     {
  20         MOZ_COUNT_CTOR(txObject);
  21     }
  22
  23     /**
  24      * Deletes this txObject
  25      */
  26     virtual ~txObject()
  27     {
  28         MOZ_COUNT_DTOR(txObject);
  29     }
  30 };
  31
  32 /**
  33  * Utility class for doubles
  34  */
  35 class txDouble
  36 {
  37 public:
  38     /**
  39      * Converts the value of the given double to a string, and appends
  40      * the result to the destination string.
  41      */
  42     static void toString(double aValue, nsAString& aDest);
  43
  44     /**
  45      * Converts the given String to a double, if the string value does not
  46      * represent a double, NaN will be returned.
  47      */
  48     static double toDouble(const nsAString& aStr);
  49 };
  50
  51 #endif