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       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 TRANSFRMX_TXXSLTNUMBER_H
       7             : #define TRANSFRMX_TXXSLTNUMBER_H
       8             : 
       9             : #include "nsError.h"
      10             : #include "txList.h"
      11             : #include "nsString.h"
      12             : 
      13             : class Expr;
      14             : class txPattern;
      15             : class txIEvalContext;
      16             : class txIMatchContext;
      17             : class txXPathTreeWalker;
      18             : 
      19             : class txXSLTNumber {
      20             : public:
      21             :     enum LevelType {
      22             :         eLevelSingle,
      23             :         eLevelMultiple,
      24             :         eLevelAny
      25             :     };
      26             : 
      27             :     static nsresult createNumber(Expr* aValueExpr, txPattern* aCountPattern,
      28             :                                  txPattern* aFromPattern, LevelType aLevel,
      29             :                                  Expr* aGroupSize, Expr* aGroupSeparator,
      30             :                                  Expr* aFormat, txIEvalContext* aContext,
      31             :                                  nsAString& aResult);
      32             : 
      33             : private:
      34             :     static nsresult getValueList(Expr* aValueExpr, txPattern* aCountPattern,
      35             :                                  txPattern* aFromPattern, LevelType aLevel,
      36             :                                  txIEvalContext* aContext, txList& aValues,
      37             :                                  nsAString& aValueString);
      38             : 
      39             :     static nsresult getCounters(Expr* aGroupSize, Expr* aGroupSeparator,
      40             :                                 Expr* aFormat, txIEvalContext* aContext,
      41             :                                 txList& aCounters, nsAString& aHead,
      42             :                                 nsAString& aTail);
      43             : 
      44             :     /**
      45             :      * getSiblingCount uses aWalker to walk the siblings of aWalker's current
      46             :      * position.
      47             :      *
      48             :      */
      49             :     static nsresult getSiblingCount(txXPathTreeWalker& aWalker,
      50             :                                     txPattern* aCountPattern,
      51             :                                     txIMatchContext* aContext,
      52             :                                     int32_t* aCount);
      53             : 
      54             :     static bool getPrevInDocumentOrder(txXPathTreeWalker& aWalker);
      55             : 
      56             :     static bool isAlphaNumeric(char16_t ch);
      57             : };
      58             : 
      59           0 : class txFormattedCounter {
      60             : public:
      61           0 :     virtual ~txFormattedCounter()
      62           0 :     {
      63           0 :     }
      64             : 
      65             :     virtual void appendNumber(int32_t aNumber, nsAString& aDest) = 0;
      66             : 
      67             :     static nsresult getCounterFor(const nsString& aToken, int aGroupSize,
      68             :                                   const nsAString& aGroupSeparator,
      69             :                                   txFormattedCounter*& aCounter);
      70             : 
      71             :     nsString mSeparator;
      72             : };
      73             : 
      74             : #endif //TRANSFRMX_TXXSLTNUMBER_H