/* -*- 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_TXTOPLEVELITEMS_H
#define TRANSFRMX_TXTOPLEVELITEMS_H

#include "nsError.h"
#include "txOutputFormat.h"
#include "txXMLUtils.h"
#include "txStylesheet.h"
#include "txInstructions.h"

class txPattern;
class Expr;

class txToplevelItem {
 public:
  MOZ_COUNTED_DEFAULT_CTOR(txToplevelItem)
  MOZ_COUNTED_DTOR_VIRTUAL(txToplevelItem)

  enum type {
    attributeSet,
    dummy,
    import,
    // namespaceAlias,
    output,
    stripSpace,  // also used for preserve-space
    templ,
    variable
  };

  virtual type getType() = 0;
};

#define TX_DECL_TOPLEVELITEM virtual type getType() override;
#define TX_IMPL_GETTYPE(_class, _type) \
  txToplevelItem::type _class::getType() { return _type; }

class txInstructionContainer : public txToplevelItem {
 public:
  mozilla::UniquePtr<txInstruction> mFirstInstruction;
};

// xsl:attribute-set
class txAttributeSetItem : public txInstructionContainer {
 public:
  explicit txAttributeSetItem(const txExpandedName aName) : mName(aName) {}

  TX_DECL_TOPLEVELITEM

  txExpandedName mName;
};

// xsl:import
class txImportItem : public txToplevelItem {
 public:
  TX_DECL_TOPLEVELITEM

  mozilla::UniquePtr<txStylesheet::ImportFrame> mFrame;
};

// xsl:output
class txOutputItem : public txToplevelItem {
 public:
  TX_DECL_TOPLEVELITEM

  txOutputFormat mFormat;
};

// insertionpoint for xsl:include
class txDummyItem : public txToplevelItem {
 public:
  TX_DECL_TOPLEVELITEM
};

// xsl:strip-space and xsl:preserve-space
class txStripSpaceItem : public txToplevelItem {
 public:
  ~txStripSpaceItem();

  TX_DECL_TOPLEVELITEM

  void addStripSpaceTest(txStripSpaceTest* aStripSpaceTest);

  nsTArray<txStripSpaceTest*> mStripSpaceTests;
};

// xsl:template
class txTemplateItem : public txInstructionContainer {
 public:
  txTemplateItem(mozilla::UniquePtr<txPattern>&& aMatch,
                 const txExpandedName& aName, const txExpandedName& aMode,
                 double aPrio);

  TX_DECL_TOPLEVELITEM

  mozilla::UniquePtr<txPattern> mMatch;
  txExpandedName mName;
  txExpandedName mMode;
  double mPrio;
};

// xsl:variable at top level
class txVariableItem : public txInstructionContainer {
 public:
  txVariableItem(const txExpandedName& aName, mozilla::UniquePtr<Expr>&& aValue,
                 bool aIsParam);

  TX_DECL_TOPLEVELITEM

  txExpandedName mName;
  mozilla::UniquePtr<Expr> mValue;
  bool mIsParam;
};

#endif  // TRANSFRMX_TXTOPLEVELITEMS_H