extensions/xforms/nsXFormsXPathXMLUtil.h

   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 Mozilla XForms support.
  16  *
  17  * The Initial Developer of the Original Code is
  18  * Novell, Inc.
  19  * Portions created by the Initial Developer are Copyright (C) 2004
  20  * the Initial Developer. All Rights Reserved.
  21  *
  22  * Contributor(s):
  23  *  Allan Beaufour <abeaufour@novell.com>
  24  *  David Landwehr <dlandwehr@novell.com>
  25  *
  26  * Alternatively, the contents of this file may be used under the terms of
  27  * either the GNU General Public License Version 2 or later (the "GPL"), or
  28  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
  29  * in which case the provisions of the GPL or the LGPL are applicable instead
  30  * of those above. If you wish to allow use of your version of this file only
  31  * under the terms of either the GPL or the LGPL, and not to allow others to
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  35  * the provisions above, a recipient may use your version of this file under
  36  * the terms of any one of the MPL, the GPL or the LGPL.
  37  *
  38  * ***** END LICENSE BLOCK ***** */
  39
  40 #include "nsString.h"
  41
  42 /**
  43  * Miscellaneous utility functions for determining the class of a character, used by
  44  * nsXFormsXPathScanner.
  45  *
  46  * @note Should be reimplemented and moved to Transformiix
  47  *
  48  */
  49 class nsXFormsXPathXMLUtil {
  50 private:
  51   /** Helper function for public functions */
  52   static PRBool IsInRange(const PRUnichar* range, const PRUint32 range_length, const PRUnichar c);
  53
  54 public:
  55   /** Checks if a char is a whitespace */
  56   static PRBool IsWhitespace(const PRUnichar c);
  57
  58   /** Checks of a char is a digit */
  59   static PRBool IsDigit(const PRUnichar c);
  60
  61   /** Checks if a char is an ideographic */
  62   static PRBool IsIdeographic(const PRUnichar c);
  63
  64   /** Checks if a char is a letter */
  65   static PRBool IsLetter(const PRUnichar c);
  66
  67   /** Checks if a char is a base char */
  68   static PRBool IsBaseChar(const PRUnichar c);
  69
  70   /** Check is a char matches the first rule of a NCName */
  71   static PRBool IsNCNameChar(const PRUnichar c);
  72
  73   /** Check if a char is a combining char */
  74   static PRBool IsCombiningChar(const PRUnichar c);
  75
  76   /** Check if a char is an extender */
  77   static PRBool IsExtender(const PRUnichar c);
  78 };