Line data    Source code

       1             : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2             : // vim:cindent:ts=2:et:sw=2:
       3             : /* This Source Code Form is subject to the terms of the Mozilla Public
       4             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       5             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
       6             : 
       7             : /* implementation of quotes for the CSS 'content' property */
       8             : 
       9             : #include "nsQuoteList.h"
      10             : #include "nsReadableUtils.h"
      11             : #include "nsIContent.h"
      12             : 
      13             : bool
      14           0 : nsQuoteNode::InitTextFrame(nsGenConList* aList, nsIFrame* aPseudoFrame,
      15             :                            nsIFrame* aTextFrame)
      16             : {
      17           0 :   nsGenConNode::InitTextFrame(aList, aPseudoFrame, aTextFrame);
      18             : 
      19           0 :   nsQuoteList* quoteList = static_cast<nsQuoteList*>(aList);
      20           0 :   bool dirty = false;
      21           0 :   quoteList->Insert(this);
      22           0 :   if (quoteList->IsLast(this))
      23           0 :     quoteList->Calc(this);
      24             :   else
      25           0 :     dirty = true;
      26             : 
      27             :   // Don't set up text for 'no-open-quote' and 'no-close-quote'.
      28           0 :   if (IsRealQuote()) {
      29           0 :     aTextFrame->GetContent()->SetText(*Text(), false);
      30             :   }
      31           0 :   return dirty;
      32             : }
      33             : 
      34             : const nsString*
      35           0 : nsQuoteNode::Text()
      36             : {
      37           0 :   NS_ASSERTION(mType == eStyleContentType_OpenQuote ||
      38             :                mType == eStyleContentType_CloseQuote,
      39             :                "should only be called when mText should be non-null");
      40             :   const nsStyleQuoteValues::QuotePairArray& quotePairs =
      41           0 :     mPseudoFrame->StyleList()->GetQuotePairs();
      42           0 :   int32_t quotesCount = quotePairs.Length(); // 0 if 'quotes:none'
      43           0 :   int32_t quoteDepth = Depth();
      44             : 
      45             :   // Reuse the last pair when the depth is greater than the number of
      46             :   // pairs of quotes.  (Also make 'quotes: none' and close-quote from
      47             :   // a depth of 0 equivalent for the next test.)
      48           0 :   if (quoteDepth >= quotesCount)
      49           0 :     quoteDepth = quotesCount - 1;
      50             : 
      51             :   const nsString* result;
      52           0 :   if (quoteDepth == -1) {
      53             :     // close-quote from a depth of 0 or 'quotes: none' (we want a node
      54             :     // with the empty string so dynamic changes are easier to handle)
      55           0 :     result = &EmptyString();
      56             :   } else {
      57           0 :     result = eStyleContentType_OpenQuote == mType
      58           0 :                ? &quotePairs[quoteDepth].first
      59           0 :                : &quotePairs[quoteDepth].second;
      60             :   }
      61           0 :   return result;
      62             : }
      63             : 
      64             : void
      65           0 : nsQuoteList::Calc(nsQuoteNode* aNode)
      66             : {
      67           0 :   if (aNode == FirstNode()) {
      68           0 :     aNode->mDepthBefore = 0;
      69             :   } else {
      70           0 :     aNode->mDepthBefore = Prev(aNode)->DepthAfter();
      71             :   }
      72           0 : }
      73             : 
      74             : void
      75           0 : nsQuoteList::RecalcAll()
      76             : {
      77           0 :   for (nsQuoteNode* node = FirstNode(); node; node = Next(node)) {
      78           0 :     int32_t oldDepth = node->mDepthBefore;
      79           0 :     Calc(node);
      80             : 
      81           0 :     if (node->mDepthBefore != oldDepth && node->mText && node->IsRealQuote())
      82           0 :       node->mText->SetData(*node->Text());
      83             :   }
      84           0 : }
      85             : 
      86             : #ifdef DEBUG
      87             : void
      88           0 : nsQuoteList::PrintChain()
      89             : {
      90           0 :   printf("Chain: \n");
      91           0 :   for (nsQuoteNode* node = FirstNode(); node; node = Next(node)) {
      92           0 :     printf("  %p %d - ", static_cast<void*>(node), node->mDepthBefore);
      93           0 :     switch(node->mType) {
      94             :         case (eStyleContentType_OpenQuote):
      95           0 :           printf("open");
      96           0 :           break;
      97             :         case (eStyleContentType_NoOpenQuote):
      98           0 :           printf("noOpen");
      99           0 :           break;
     100             :         case (eStyleContentType_CloseQuote):
     101           0 :           printf("close");
     102           0 :           break;
     103             :         case (eStyleContentType_NoCloseQuote):
     104           0 :           printf("noClose");
     105           0 :           break;
     106             :         default:
     107           0 :           printf("unknown!!!");
     108             :     }
     109           0 :     printf(" %d - %d,", node->Depth(), node->DepthAfter());
     110           0 :     if (node->mText) {
     111           0 :       nsAutoString data;
     112           0 :       node->mText->GetData(data);
     113           0 :       printf(" \"%s\",", NS_ConvertUTF16toUTF8(data).get());
     114             :     }
     115           0 :     printf("\n");
     116             :   }
     117           0 : }
     118             : #endif