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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef TRANSFRMX_TXXSLTNUMBER_H
#define TRANSFRMX_TXXSLTNUMBER_H
#include "nsError.h"
#include "txList.h"
#include "nsString.h"
class Expr;
class txPattern;
class txIEvalContext;
class txIMatchContext;
class txXPathTreeWalker;
class txXSLTNumber {
public:
enum LevelType { eLevelSingle, eLevelMultiple, eLevelAny };
static nsresult createNumber(Expr* aValueExpr, txPattern* aCountPattern,
txPattern* aFromPattern, LevelType aLevel,
Expr* aGroupSize, Expr* aGroupSeparator,
Expr* aFormat, txIEvalContext* aContext,
nsAString& aResult);
private:
static nsresult getValueList(Expr* aValueExpr, txPattern* aCountPattern,
txPattern* aFromPattern, LevelType aLevel,
txIEvalContext* aContext, txList& aValues,
nsAString& aValueString);
static nsresult getCounters(Expr* aGroupSize, Expr* aGroupSeparator,
Expr* aFormat, txIEvalContext* aContext,
txList& aCounters, nsAString& aHead,
nsAString& aTail);
/**
* getSiblingCount uses aWalker to walk the siblings of aWalker's current
* position.
*
*/
static nsresult getSiblingCount(txXPathTreeWalker& aWalker,
txPattern* aCountPattern,
txIMatchContext* aContext, int32_t* aCount);
static bool getPrevInDocumentOrder(txXPathTreeWalker& aWalker);
static bool isAlphaNumeric(char16_t ch);
};
class txFormattedCounter {
public:
virtual ~txFormattedCounter() = default;
virtual void appendNumber(int32_t aNumber, nsAString& aDest) = 0;
static nsresult getCounterFor(const nsString& aToken, int aGroupSize,
const nsAString& aGroupSeparator,
txFormattedCounter*& aCounter);
nsString mSeparator;
};
#endif // TRANSFRMX_TXXSLTNUMBER_H
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