/*

* Copyright (c) 1999 - 2001 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description: 

*

*/

#include "wml_deck.h"

#include "nw_wml1x_wml_1_3_tokens.h"

#include "nw_wml1x_wml1xentityset.h"

#include "nw_hed_domhelper.h"

#include "wml_decoder.h"

#include "wml_elm_attr.h"

#include "BrsrStatusCodes.h"

/* ------------------------------------------------------------------------- */

struct NW_Wml_Deck_s {

  NW_HED_DomTree_t* domTree;

  NW_HED_DomHelper_t domHelper;

  NW_DOM_Node_t* currentCard;

};

/* ------------------------------------------------------------------------- */

NW_Wml_Deck_t* NW_Wml_Deck_New (NW_Buffer_t* domBuffer,

                                NW_Http_CharSet_t charset,

                                NW_Bool contentWasPlainText)

{

  NW_Wml_Deck_t* deck = NULL;

  NW_ASSERT (domBuffer != NULL);

  /* create the deck */

  NW_THROWIF_NULL (deck = (NW_Wml_Deck_t*) NW_Mem_Malloc (sizeof (NW_Wml_Deck_t)));

  NW_THROWIF_NULL (deck->domTree = NW_HED_DomTree_New (domBuffer, charset, NW_Wml_1_3_PublicId,NULL));

  deck->currentCard = NULL;

  deck->domHelper.entitySet = NW_HED_EntitySetOf (&NW_Wml1x_EntitySet);

  deck->domHelper.context = NULL;

  deck->domHelper.resolvePlainTextVariablesAndEntities = contentWasPlainText;

  /* print the domTree */

#ifdef _DEBUG

  NW_HED_DomHelper_PrintTree (&deck->domHelper, NW_HED_DomTree_GetRootNode (deck->domTree));

#endif

  return deck;

NW_CATCH_ERROR

  NW_Wml_Deck_Delete (deck);

  return NULL;

}

/* ------------------------------------------------------------------------- */

void NW_Wml_Deck_Delete (NW_Wml_Deck_t* thisObj)

{

  if (thisObj != NULL) {

    NW_HED_DomTree_Delete (thisObj->domTree);

    NW_Mem_Free (thisObj);

  }

}

/* ------------------------------------------------------------------------- */

NW_HED_DomTree_t* NW_Wml_Deck_GetDomTree (const NW_Wml_Deck_t* thisObj)

{

  NW_ASSERT (thisObj != NULL);

  return thisObj->domTree;

}

/* ------------------------------------------------------------------------- */

NW_HED_DomHelper_t* NW_Wml_Deck_GetDomHelper (NW_Wml_Deck_t* thisObj,

                                              const NW_Wml_VarList_t* varList)

{

  NW_HED_Context_t* context = NULL;

  NW_ASSERT (thisObj != NULL);

  /* delete the old context because it is stale */

  NW_Object_Delete (((NW_Wml_Deck_t *)thisObj)->domHelper.context);

  /* convert the varList into a context */

  if (varList != NULL) {

    context = NW_DeckDecoder_VarListToContext(varList);

  }

  /* set the domHelper's context to the new context */

  ((NW_Wml_Deck_t *)thisObj)->domHelper.context = context;

  return &(((NW_Wml_Deck_t *)thisObj)->domHelper);

}

/* ------------------------------------------------------------------------- */

NW_DOM_Node_t* NW_Wml_Deck_GetCurrentCard (const NW_Wml_Deck_t* thisObj)

{

  NW_ASSERT (thisObj != NULL);

  return thisObj->currentCard;

}

/* ------------------------------------------------------------------------- */

NW_DOM_Node_t* NW_Wml_Deck_GetCardByName (NW_Wml_Deck_t* thisObj, 

                                          const NW_String_t* cardName)

{

  NW_ASSERT (thisObj != NULL);

  NW_ASSERT (cardName != NULL);

  return (NW_HED_DomHelper_FindElement (NW_Wml_Deck_GetDomHelper (thisObj, NULL), 

        NW_HED_DomTree_GetRootNode (thisObj->domTree), 2, CARD_ELEMENT, ID_ATTR, cardName));

}

/* ------------------------------------------------------------------------- */

TBrowserStatusCode NW_Wml_Deck_SetCurrentCardByName (NW_Wml_Deck_t* thisObj, 

                                              const NW_String_t* cardName)

{

  NW_DOM_Node_t* cardElem = NULL;

  TBrowserStatusCode status = KBrsrWmlbrowserCardNotInDeck;

  /* if cardName is NULL, use the first card */

  if (cardName->storage == NULL) {

    cardElem = NW_HED_DomHelper_FindElement (NW_Wml_Deck_GetDomHelper (thisObj, NULL), 

        NW_HED_DomTree_GetRootNode (thisObj->domTree), 2, CARD_ELEMENT, 0, NULL);

  }

  /* otherwise find a card with the given name */

  else {

    cardElem = NW_HED_DomHelper_FindElement (NW_Wml_Deck_GetDomHelper (thisObj, NULL), 

        NW_HED_DomTree_GetRootNode (thisObj->domTree), 2, CARD_ELEMENT, ID_ATTR, cardName);

  }

  /* set the card */

  if (cardElem != NULL) {

    NW_Wml_Deck_SetCurrentCardByElement (thisObj, cardElem);

    status = KBrsrSuccess;

  }

  return status;

}

/* ------------------------------------------------------------------------- */

void NW_Wml_Deck_SetCurrentCardByElement (NW_Wml_Deck_t* thisObj, 

                                          const NW_DOM_Node_t* element)

{

  NW_ASSERT (thisObj != NULL);

  thisObj->currentCard = (NW_DOM_Node_t*) element;

}