зеркало из https://github.com/mozilla/gecko-dev.git
115 строки
3.4 KiB
C++
115 строки
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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/* implementation of quotes for the CSS 'content' property */
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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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#include "mozilla/dom/Text.h"
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using namespace mozilla;
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bool nsQuoteNode::InitTextFrame(nsGenConList* aList, nsIFrame* aPseudoFrame,
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nsIFrame* aTextFrame) {
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nsGenConNode::InitTextFrame(aList, aPseudoFrame, aTextFrame);
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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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// 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()->AsText()->SetText(Text(), false);
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}
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return dirty;
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}
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nsString nsQuoteNode::Text() {
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NS_ASSERTION(mType == StyleContentType::OpenQuote ||
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mType == StyleContentType::CloseQuote,
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"should only be called when mText should be non-null");
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nsString result;
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int32_t depth = Depth();
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MOZ_ASSERT(depth >= -1);
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Span<const StyleQuotePair> quotes =
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mPseudoFrame->StyleList()->mQuotes._0.AsSpan();
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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 (depth >= static_cast<int32_t>(quotes.Length())) {
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depth = static_cast<int32_t>(quotes.Length()) - 1;
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}
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if (depth == -1) {
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// close-quote from a depth of 0 or 'quotes: none'
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return result;
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}
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const StyleQuotePair& pair = quotes[depth];
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const StyleOwnedStr& quote =
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mType == StyleContentType::OpenQuote ? pair.opening : pair.closing;
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result.Assign(NS_ConvertUTF8toUTF16(quote.AsString()));
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return result;
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}
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void nsQuoteList::Calc(nsQuoteNode* aNode) {
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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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void nsQuoteList::RecalcAll() {
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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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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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#ifdef DEBUG
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void nsQuoteList::PrintChain() {
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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 StyleContentType::OpenQuote:
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printf("open");
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break;
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case StyleContentType::NoOpenQuote:
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printf("noOpen");
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break;
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case StyleContentType::CloseQuote:
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printf("close");
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break;
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case StyleContentType::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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