forked from mirrors/gecko-dev
		
	
		
			
				
	
	
		
			121 lines
		
	
	
	
		
			3.4 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			121 lines
		
	
	
	
		
			3.4 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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| /* vim: set ts=8 sts=2 et sw=2 tw=80: */
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| /* This Source Code Form is subject to the terms of the Mozilla Public
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|  * License, v. 2.0. If a copy of the MPL was not distributed with this
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|  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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| 
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| /* implementation of quotes for the CSS 'content' property */
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| 
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| #include "nsQuoteList.h"
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| #include "nsReadableUtils.h"
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| #include "nsIContent.h"
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| #include "mozilla/ErrorResult.h"
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| 
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| using namespace mozilla;
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| 
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| bool
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| nsQuoteNode::InitTextFrame(nsGenConList* aList, nsIFrame* aPseudoFrame,
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|                            nsIFrame* aTextFrame)
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| {
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|   nsGenConNode::InitTextFrame(aList, aPseudoFrame, aTextFrame);
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| 
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|   nsQuoteList* quoteList = static_cast<nsQuoteList*>(aList);
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|   bool dirty = false;
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|   quoteList->Insert(this);
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|   if (quoteList->IsLast(this))
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|     quoteList->Calc(this);
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|   else
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|     dirty = true;
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| 
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|   // Don't set up text for 'no-open-quote' and 'no-close-quote'.
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|   if (IsRealQuote()) {
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|     aTextFrame->GetContent()->SetText(*Text(), false);
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|   }
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|   return dirty;
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| }
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| 
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| const nsString*
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| nsQuoteNode::Text()
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| {
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|   NS_ASSERTION(mType == eStyleContentType_OpenQuote ||
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|                mType == eStyleContentType_CloseQuote,
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|                "should only be called when mText should be non-null");
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|   const nsStyleQuoteValues::QuotePairArray& quotePairs =
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|     mPseudoFrame->StyleList()->GetQuotePairs();
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|   int32_t quotesCount = quotePairs.Length(); // 0 if 'quotes:none'
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|   int32_t quoteDepth = Depth();
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| 
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|   // Reuse the last pair when the depth is greater than the number of
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|   // pairs of quotes.  (Also make 'quotes: none' and close-quote from
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|   // a depth of 0 equivalent for the next test.)
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|   if (quoteDepth >= quotesCount)
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|     quoteDepth = quotesCount - 1;
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| 
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|   const nsString* result;
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|   if (quoteDepth == -1) {
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|     // close-quote from a depth of 0 or 'quotes: none' (we want a node
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|     // with the empty string so dynamic changes are easier to handle)
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|     result = &EmptyString();
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|   } else {
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|     result = eStyleContentType_OpenQuote == mType
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|                ? "ePairs[quoteDepth].first
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|                : "ePairs[quoteDepth].second;
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|   }
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|   return result;
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| }
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| 
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| void
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| nsQuoteList::Calc(nsQuoteNode* aNode)
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| {
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|   if (aNode == FirstNode()) {
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|     aNode->mDepthBefore = 0;
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|   } else {
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|     aNode->mDepthBefore = Prev(aNode)->DepthAfter();
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|   }
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| }
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| 
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| void
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| nsQuoteList::RecalcAll()
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| {
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|   for (nsQuoteNode* node = FirstNode(); node; node = Next(node)) {
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|     int32_t oldDepth = node->mDepthBefore;
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|     Calc(node);
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| 
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|     if (node->mDepthBefore != oldDepth && node->mText && node->IsRealQuote())
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|       node->mText->SetData(*node->Text(), IgnoreErrors());
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|   }
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| }
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| 
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| #ifdef DEBUG
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| void
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| nsQuoteList::PrintChain()
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| {
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|   printf("Chain: \n");
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|   for (nsQuoteNode* node = FirstNode(); node; node = Next(node)) {
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|     printf("  %p %d - ", static_cast<void*>(node), node->mDepthBefore);
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|     switch(node->mType) {
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|         case (eStyleContentType_OpenQuote):
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|           printf("open");
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|           break;
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|         case (eStyleContentType_NoOpenQuote):
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|           printf("noOpen");
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|           break;
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|         case (eStyleContentType_CloseQuote):
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|           printf("close");
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|           break;
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|         case (eStyleContentType_NoCloseQuote):
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|           printf("noClose");
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|           break;
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|         default:
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|           printf("unknown!!!");
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|     }
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|     printf(" %d - %d,", node->Depth(), node->DepthAfter());
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|     if (node->mText) {
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|       nsAutoString data;
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|       node->mText->GetData(data);
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|       printf(" \"%s\",", NS_ConvertUTF16toUTF8(data).get());
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|     }
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|     printf("\n");
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|   }
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| }
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| #endif
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