The Tor Browser: layout/base/nsQuoteList.h@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 /* This Source Code Form is subject to the terms of the Mozilla Public

     3  * License, v. 2.0. If a copy of the MPL was not distributed with this

     4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

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

     8 #ifndef nsQuoteList_h___

     9 #define nsQuoteList_h___

    11 #include "mozilla/Attributes.h"

    12 #include "nsGenConList.h"

    14 struct nsQuoteNode : public nsGenConNode {

    15   // open-quote, close-quote, no-open-quote, or no-close-quote

    16   const nsStyleContentType mType;

    18   // Quote depth before this quote, which is always non-negative.

    19   int32_t mDepthBefore;

    21   nsQuoteNode(nsStyleContentType& aType, uint32_t aContentIndex)

    22     : nsGenConNode(aContentIndex)

    23     , mType(aType)

    24     , mDepthBefore(0)

    25   {

    26     NS_ASSERTION(aType == eStyleContentType_OpenQuote ||

    27                  aType == eStyleContentType_CloseQuote ||

    28                  aType == eStyleContentType_NoOpenQuote ||

    29                  aType == eStyleContentType_NoCloseQuote,

    30                  "incorrect type");

    31     NS_ASSERTION(aContentIndex <= INT32_MAX, "out of range");

    32   }

    34   virtual bool InitTextFrame(nsGenConList* aList,

    35           nsIFrame* aPseudoFrame, nsIFrame* aTextFrame) MOZ_OVERRIDE;

    37   // is this 'open-quote' or 'no-open-quote'?

    38   bool IsOpenQuote() {

    39     return mType == eStyleContentType_OpenQuote ||

    40            mType == eStyleContentType_NoOpenQuote;

    41   }

    43   // is this 'close-quote' or 'no-close-quote'?

    44   bool IsCloseQuote() {

    45     return !IsOpenQuote();

    46   }

    48   // is this 'open-quote' or 'close-quote'?

    49   bool IsRealQuote() {

    50     return mType == eStyleContentType_OpenQuote ||

    51            mType == eStyleContentType_CloseQuote;

    52   }

    54   // Depth of the quote for *this* node.  Either non-negative or -1.

    55   // -1 means this is a closing quote that tried to decrement the

    56   // counter below zero (which means no quote should be rendered).

    57   int32_t Depth() {

    58     return IsOpenQuote() ? mDepthBefore : mDepthBefore - 1;

    59   }

    61   // always non-negative

    62   int32_t DepthAfter() {

    63     return IsOpenQuote() ? mDepthBefore + 1

    64                          : (mDepthBefore == 0 ? 0 : mDepthBefore - 1);

    65   }

    67   // The text that should be displayed for this quote.

    68   const nsString* Text();

    69 };

    71 class nsQuoteList : public nsGenConList {

    72 private:

    73   nsQuoteNode* FirstNode() { return static_cast<nsQuoteNode*>(mFirstNode); }

    74 public:

    75   // assign the correct |mDepthBefore| value to a node that has been inserted

    76   // Should be called immediately after calling |Insert|.

    77   void Calc(nsQuoteNode* aNode);

    79   nsQuoteNode* Next(nsQuoteNode* aNode) {

    80     return static_cast<nsQuoteNode*>(nsGenConList::Next(aNode));

    81   }

    82   nsQuoteNode* Prev(nsQuoteNode* aNode) {

    83     return static_cast<nsQuoteNode*>(nsGenConList::Prev(aNode));

    84   }

    86   void RecalcAll();

    87 #ifdef DEBUG

    88   void PrintChain();

    89 #endif

    90 };

    92 #endif /* nsQuoteList_h___ */

The Tor Browser / file revision