mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-12-02 01:48:05 +00:00
124 lines
4.2 KiB
C++
124 lines
4.2 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* ***** BEGIN LICENSE BLOCK *****
|
|
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
|
|
*
|
|
* The contents of this file are subject to the Mozilla Public License Version
|
|
* 1.1 (the "License"); you may not use this file except in compliance with
|
|
* the License. You may obtain a copy of the License at
|
|
* http://www.mozilla.org/MPL/
|
|
*
|
|
* Software distributed under the License is distributed on an "AS IS" basis,
|
|
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
|
|
* for the specific language governing rights and limitations under the
|
|
* License.
|
|
*
|
|
* The Original Code is mozilla.org code.
|
|
*
|
|
* The Initial Developer of the Original Code is
|
|
* Esben Mose Hansen.
|
|
*
|
|
* Contributor(s):
|
|
* Esben Mose Hansen <esben@oek.dk> (original author)
|
|
* L. David Baron <dbaron@dbaron.org>
|
|
*
|
|
* Alternatively, the contents of this file may be used under the terms of
|
|
* either the GNU General Public License Version 2 or later (the "GPL"), or
|
|
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
|
|
* in which case the provisions of the GPL or the LGPL are applicable instead
|
|
* of those above. If you wish to allow use of your version of this file only
|
|
* under the terms of either the GPL or the LGPL, and not to allow others to
|
|
* use your version of this file under the terms of the MPL, indicate your
|
|
* decision by deleting the provisions above and replace them with the notice
|
|
* and other provisions required by the GPL or the LGPL. If you do not delete
|
|
* the provisions above, a recipient may use your version of this file under
|
|
* the terms of any one of the MPL, the GPL or the LGPL.
|
|
*
|
|
* ***** END LICENSE BLOCK ***** */
|
|
|
|
/* implementation of quotes for the CSS 'content' property */
|
|
|
|
#ifndef nsQuoteList_h___
|
|
#define nsQuoteList_h___
|
|
|
|
#include "nsGenConList.h"
|
|
|
|
struct nsQuoteNode : public nsGenConNode {
|
|
// open-quote, close-quote, no-open-quote, or no-close-quote
|
|
const nsStyleContentType mType;
|
|
|
|
// Quote depth before this quote, which is always non-negative.
|
|
PRInt32 mDepthBefore;
|
|
|
|
nsQuoteNode(nsStyleContentType& aType, PRUint32 aContentIndex)
|
|
: nsGenConNode(aContentIndex)
|
|
, mType(aType)
|
|
, mDepthBefore(0)
|
|
{
|
|
NS_ASSERTION(aType == eStyleContentType_OpenQuote ||
|
|
aType == eStyleContentType_CloseQuote ||
|
|
aType == eStyleContentType_NoOpenQuote ||
|
|
aType == eStyleContentType_NoCloseQuote,
|
|
"incorrect type");
|
|
NS_ASSERTION(aContentIndex <= PR_INT32_MAX, "out of range");
|
|
}
|
|
|
|
virtual PRBool InitTextFrame(nsGenConList* aList,
|
|
nsIFrame* aPseudoFrame, nsIFrame* aTextFrame);
|
|
|
|
// is this 'open-quote' or 'no-open-quote'?
|
|
PRBool IsOpenQuote() {
|
|
return mType == eStyleContentType_OpenQuote ||
|
|
mType == eStyleContentType_NoOpenQuote;
|
|
}
|
|
|
|
// is this 'close-quote' or 'no-close-quote'?
|
|
PRBool IsCloseQuote() {
|
|
return !IsOpenQuote();
|
|
}
|
|
|
|
// is this 'open-quote' or 'close-quote'?
|
|
PRBool IsRealQuote() {
|
|
return mType == eStyleContentType_OpenQuote ||
|
|
mType == eStyleContentType_CloseQuote;
|
|
}
|
|
|
|
// Depth of the quote for *this* node. Either non-negative or -1.
|
|
// -1 means this is a closing quote that tried to decrement the
|
|
// counter below zero (which means no quote should be rendered).
|
|
PRInt32 Depth() {
|
|
return IsOpenQuote() ? mDepthBefore : mDepthBefore - 1;
|
|
}
|
|
|
|
// always non-negative
|
|
PRInt32 DepthAfter() {
|
|
return IsOpenQuote() ? mDepthBefore + 1
|
|
: (mDepthBefore == 0 ? 0 : mDepthBefore - 1);
|
|
}
|
|
|
|
// The text that should be displayed for this quote.
|
|
const nsString* Text();
|
|
};
|
|
|
|
class nsQuoteList : public nsGenConList {
|
|
private:
|
|
nsQuoteNode* FirstNode() { return static_cast<nsQuoteNode*>(mFirstNode); }
|
|
public:
|
|
// assign the correct |mDepthBefore| value to a node that has been inserted
|
|
// Should be called immediately after calling |Insert|.
|
|
void Calc(nsQuoteNode* aNode);
|
|
|
|
nsQuoteNode* Next(nsQuoteNode* aNode) {
|
|
return static_cast<nsQuoteNode*>(nsGenConList::Next(aNode));
|
|
}
|
|
nsQuoteNode* Prev(nsQuoteNode* aNode) {
|
|
return static_cast<nsQuoteNode*>(nsGenConList::Prev(aNode));
|
|
}
|
|
|
|
void RecalcAll();
|
|
#ifdef DEBUG
|
|
void PrintChain();
|
|
#endif
|
|
};
|
|
|
|
#endif /* nsQuoteList_h___ */
|