The Tor Browser: layout/base/nsQuoteList.cpp@6474c204b198

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     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/. */

     7 /* implementation of quotes for the CSS 'content' property */

     9 #include "nsQuoteList.h"

    10 #include "nsReadableUtils.h"

    11 #include "nsIContent.h"

    13 bool

    14 nsQuoteNode::InitTextFrame(nsGenConList* aList, nsIFrame* aPseudoFrame,

    15                            nsIFrame* aTextFrame)

    16 {

    17   nsGenConNode::InitTextFrame(aList, aPseudoFrame, aTextFrame);

    19   nsQuoteList* quoteList = static_cast<nsQuoteList*>(aList);

    20   bool dirty = false;

    21   quoteList->Insert(this);

    22   if (quoteList->IsLast(this))

    23     quoteList->Calc(this);

    24   else

    25     dirty = true;

    27   // Don't set up text for 'no-open-quote' and 'no-close-quote'.

    28   if (IsRealQuote()) {

    29     aTextFrame->GetContent()->SetText(*Text(), false);

    30   }

    31   return dirty;

    32 }

    34 const nsString*

    35 nsQuoteNode::Text()

    36 {

    37   NS_ASSERTION(mType == eStyleContentType_OpenQuote ||

    38                mType == eStyleContentType_CloseQuote,

    39                "should only be called when mText should be non-null");

    40   const nsStyleQuotes* styleQuotes = mPseudoFrame->StyleQuotes();

    41   int32_t quotesCount = styleQuotes->QuotesCount(); // 0 if 'quotes:none'

    42   int32_t quoteDepth = Depth();

    44   // Reuse the last pair when the depth is greater than the number of

    45   // pairs of quotes.  (Also make 'quotes: none' and close-quote from

    46   // a depth of 0 equivalent for the next test.)

    47   if (quoteDepth >= quotesCount)

    48     quoteDepth = quotesCount - 1;

    50   const nsString *result;

    51   if (quoteDepth == -1) {

    52     // close-quote from a depth of 0 or 'quotes: none' (we want a node

    53     // with the empty string so dynamic changes are easier to handle)

    54     result = & EmptyString();

    55   } else {

    56     result = eStyleContentType_OpenQuote == mType

    57                ? styleQuotes->OpenQuoteAt(quoteDepth)

    58                : styleQuotes->CloseQuoteAt(quoteDepth);

    59   }

    60   return result;

    61 }

    63 void

    64 nsQuoteList::Calc(nsQuoteNode* aNode)

    65 {

    66   if (aNode == FirstNode()) {

    67     aNode->mDepthBefore = 0;

    68   } else {

    69     aNode->mDepthBefore = Prev(aNode)->DepthAfter();

    70   }

    71 }

    73 void

    74 nsQuoteList::RecalcAll()

    75 {

    76   nsQuoteNode *node = FirstNode();

    77   if (!node)

    78     return;

    80   do {

    81     int32_t oldDepth = node->mDepthBefore;

    82     Calc(node);

    84     if (node->mDepthBefore != oldDepth && node->mText && node->IsRealQuote())

    85       node->mText->SetData(*node->Text());

    87     // Next node

    88     node = Next(node);

    89   } while (node != FirstNode());

    90 }

    92 #ifdef DEBUG

    93 void

    94 nsQuoteList::PrintChain()

    95 {

    96   printf("Chain: \n");

    97   if (!FirstNode()) {

    98     return;

    99   }

   100   nsQuoteNode* node = FirstNode();

   101   do {

   102     printf("  %p %d - ", static_cast<void*>(node), node->mDepthBefore);

   103     switch(node->mType) {

   104         case (eStyleContentType_OpenQuote):

   105           printf("open");

   106           break;

   107         case (eStyleContentType_NoOpenQuote):

   108           printf("noOpen");

   109           break;

   110         case (eStyleContentType_CloseQuote):

   111           printf("close");

   112           break;

   113         case (eStyleContentType_NoCloseQuote):

   114           printf("noClose");

   115           break;

   116         default:

   117           printf("unknown!!!");

   118     }

   119     printf(" %d - %d,", node->Depth(), node->DepthAfter());

   120     if (node->mText) {

   121       nsAutoString data;

   122       node->mText->GetData(data);

   123       printf(" \"%s\",", NS_ConvertUTF16toUTF8(data).get());

   124     }

   125     printf("\n");

   126     node = Next(node);

   127   } while (node != FirstNode());

   128 }

   129 #endif

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