| /** |
| * Copyright (C) 2011 Nokia Inc. All rights reserved. |
| * Copyright (C) 2012 Google Inc. All rights reserved. |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Library General Public |
| * License as published by the Free Software Foundation; either |
| * version 2 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Library General Public License for more details. |
| * |
| * You should have received a copy of the GNU Library General Public License |
| * along with this library; see the file COPYING.LIB. If not, write to |
| * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| * Boston, MA 02110-1301, USA. |
| * |
| */ |
| |
| #include "config.h" |
| #include "core/rendering/RenderQuote.h" |
| |
| #include "core/rendering/RenderTextFragment.h" |
| #include "core/rendering/RenderView.h" |
| #include "wtf/StdLibExtras.h" |
| #include "wtf/text/AtomicString.h" |
| |
| #include <algorithm> |
| |
| namespace WebCore { |
| |
| RenderQuote::RenderQuote(Document* node, QuoteType quote) |
| : RenderInline(0) |
| , m_type(quote) |
| , m_depth(0) |
| , m_next(0) |
| , m_previous(0) |
| , m_attached(false) |
| { |
| setDocumentForAnonymous(node); |
| } |
| |
| RenderQuote::~RenderQuote() |
| { |
| ASSERT(!m_attached); |
| ASSERT(!m_next && !m_previous); |
| } |
| |
| void RenderQuote::willBeDestroyed() |
| { |
| detachQuote(); |
| RenderInline::willBeDestroyed(); |
| } |
| |
| void RenderQuote::willBeRemovedFromTree() |
| { |
| RenderInline::willBeRemovedFromTree(); |
| detachQuote(); |
| } |
| |
| void RenderQuote::styleDidChange(StyleDifference diff, const RenderStyle* oldStyle) |
| { |
| RenderInline::styleDidChange(diff, oldStyle); |
| updateText(); |
| } |
| |
| struct Language { |
| const char* lang; |
| UChar open1; |
| UChar close1; |
| UChar open2; |
| UChar close2; |
| QuotesData* data; |
| |
| bool operator<(const Language& b) const { return strcmp(lang, b.lang) < 0; } |
| }; |
| |
| // Table of quotes from http://www.whatwg.org/specs/web-apps/current-work/multipage/rendering.html#quote |
| Language languages[] = { |
| { "af", 0x201c, 0x201d, 0x2018, 0x2019, 0 }, |
| { "agq", 0x201e, 0x201d, 0x201a, 0x2019, 0 }, |
| { "ak", 0x201c, 0x201d, 0x2018, 0x2019, 0 }, |
| { "am", 0x00ab, 0x00bb, 0x2039, 0x203a, 0 }, |
| { "ar", 0x201d, 0x201c, 0x2019, 0x2018, 0 }, |
| { "asa", 0x201c, 0x201d, 0x2018, 0x2019, 0 }, |
| { "az-cyrl", 0x00ab, 0x00bb, 0x2039, 0x203a, 0 }, |
| { "bas", 0x00ab, 0x00bb, 0x201e, 0x201c, 0 }, |
| { "bem", 0x201c, 0x201d, 0x2018, 0x2019, 0 }, |
| { "bez", 0x201c, 0x201d, 0x2018, 0x2019, 0 }, |
| { "bg", 0x201e, 0x201c, 0x201a, 0x2018, 0 }, |
| { "bm", 0x00ab, 0x00bb, 0x201c, 0x201d, 0 }, |
| { "bn", 0x201c, 0x201d, 0x2018, 0x2019, 0 }, |
| { "br", 0x00ab, 0x00bb, 0x2039, 0x203a, 0 }, |
| { "brx", 0x201c, 0x201d, 0x2018, 0x2019, 0 }, |
| { "bs-cyrl" , 0x201e, 0x201c, 0x201a, 0x2018, 0 }, |
| { "ca", 0x201c, 0x201d, 0x00ab, 0x00bb, 0 }, |
| { "cgg", 0x201c, 0x201d, 0x2018, 0x2019, 0 }, |
| { "chr", 0x201c, 0x201d, 0x2018, 0x2019, 0 }, |
| { "cs", 0x201e, 0x201c, 0x201a, 0x2018, 0 }, |
| { "da", 0x201c, 0x201d, 0x2018, 0x2019, 0 }, |
| { "dav", 0x201c, 0x201d, 0x2018, 0x2019, 0 }, |
| { "de", 0x201e, 0x201c, 0x201a, 0x2018, 0 }, |
| { "de-ch", 0x00ab, 0x00bb, 0x2039, 0x203a, 0 }, |
| { "dje", 0x201c, 0x201d, 0x2018, 0x2019, 0 }, |
| { "dua", 0x00ab, 0x00bb, 0x2018, 0x2019, 0 }, |
| { "dyo", 0x00ab, 0x00bb, 0x201c, 0x201d, 0 }, |
| { "dz", 0x201c, 0x201d, 0x2018, 0x2019, 0 }, |
| { "ebu", 0x201c, 0x201d, 0x2018, 0x2019, 0 }, |
| { "ee", 0x201c, 0x201d, 0x2018, 0x2019, 0 }, |
| { "el", 0x00ab, 0x00bb, 0x201c, 0x201d, 0 }, |
| { "en", 0x201c, 0x201d, 0x2018, 0x2019, 0 }, |
| { "en-gb", 0x201c, 0x201d, 0x2018, 0x2019, 0 }, |
| { "es", 0x201c, 0x201d, 0x00ab, 0x00bb, 0 }, |
| { "et", 0x201e, 0x201c, 0x201a, 0x2018, 0 }, |
| { "eu", 0x201c, 0x201d, 0x00ab, 0x00bb, 0 }, |
| { "ewo", 0x00ab, 0x00bb, 0x201c, 0x201d, 0 }, |
| { "fa", 0x00ab, 0x00bb, 0x2039, 0x203a, 0 }, |
| { "ff", 0x201e, 0x201d, 0x201a, 0x2019, 0 }, |
| { "fi", 0x201d, 0x201d, 0x2019, 0x2019, 0 }, |
| { "fr", 0x00ab, 0x00bb, 0x00ab, 0x00bb, 0 }, |
| { "fr-ca", 0x00ab, 0x00bb, 0x2039, 0x203a, 0 }, |
| { "fr-ch", 0x00ab, 0x00bb, 0x2039, 0x203a, 0 }, |
| { "gsw", 0x00ab, 0x00bb, 0x2039, 0x203a, 0 }, |
| { "gu", 0x201c, 0x201d, 0x2018, 0x2019, 0 }, |
| { "guz", 0x201c, 0x201d, 0x2018, 0x2019, 0 }, |
| { "ha", 0x201c, 0x201d, 0x2018, 0x2019, 0 }, |
| { "he", 0x0022, 0x0022, 0x0027, 0x0027, 0 }, |
| { "hi", 0x201c, 0x201d, 0x2018, 0x2019, 0 }, |
| { "hr", 0x201e, 0x201c, 0x201a, 0x2018, 0 }, |
| { "hu", 0x201e, 0x201d, 0x00bb, 0x00ab, 0 }, |
| { "id", 0x201c, 0x201d, 0x2018, 0x2019, 0 }, |
| { "ig", 0x201c, 0x201d, 0x2018, 0x2019, 0 }, |
| { "it", 0x00ab, 0x00bb, 0x201c, 0x201d, 0 }, |
| { "ja", 0x300c, 0x300d, 0x300e, 0x300f, 0 }, |
| { "jgo", 0x00ab, 0x00bb, 0x2039, 0x203a, 0 }, |
| { "jmc", 0x201c, 0x201d, 0x2018, 0x2019, 0 }, |
| { "kab", 0x00ab, 0x00bb, 0x201c, 0x201d, 0 }, |
| { "kam", 0x201c, 0x201d, 0x2018, 0x2019, 0 }, |
| { "kde", 0x201c, 0x201d, 0x2018, 0x2019, 0 }, |
| { "kea", 0x201c, 0x201d, 0x2018, 0x2019, 0 }, |
| { "khq", 0x201c, 0x201d, 0x2018, 0x2019, 0 }, |
| { "ki", 0x201c, 0x201d, 0x2018, 0x2019, 0 }, |
| { "kkj", 0x00ab, 0x00bb, 0x2039, 0x203a, 0 }, |
| { "kln", 0x201c, 0x201d, 0x2018, 0x2019, 0 }, |
| { "km", 0x201c, 0x201d, 0x2018, 0x2019, 0 }, |
| { "kn", 0x201c, 0x201d, 0x2018, 0x2019, 0 }, |
| { "ko", 0x201c, 0x201d, 0x2018, 0x2019, 0 }, |
| { "ksb", 0x201c, 0x201d, 0x2018, 0x2019, 0 }, |
| { "ksf", 0x00ab, 0x00bb, 0x2018, 0x2019, 0 }, |
| { "lag", 0x201d, 0x201d, 0x2019, 0x2019, 0 }, |
| { "lg", 0x201c, 0x201d, 0x2018, 0x2019, 0 }, |
| { "ln", 0x201c, 0x201d, 0x2018, 0x2019, 0 }, |
| { "lo", 0x201c, 0x201d, 0x2018, 0x2019, 0 }, |
| { "lt", 0x201e, 0x201c, 0x201e, 0x201c, 0 }, |
| { "lu", 0x201c, 0x201d, 0x2018, 0x2019, 0 }, |
| { "luo", 0x201c, 0x201d, 0x2018, 0x2019, 0 }, |
| { "luy", 0x201e, 0x201c, 0x201a, 0x2018, 0 }, |
| { "lv", 0x201c, 0x201d, 0x2018, 0x2019, 0 }, |
| { "mas", 0x201c, 0x201d, 0x2018, 0x2019, 0 }, |
| { "mer", 0x201c, 0x201d, 0x2018, 0x2019, 0 }, |
| { "mfe", 0x201c, 0x201d, 0x2018, 0x2019, 0 }, |
| { "mg", 0x00ab, 0x00bb, 0x201c, 0x201d, 0 }, |
| { "mgo", 0x201c, 0x201d, 0x2018, 0x2019, 0 }, |
| { "mk", 0x201e, 0x201c, 0x201a, 0x2018, 0 }, |
| { "ml", 0x201c, 0x201d, 0x2018, 0x2019, 0 }, |
| { "mr", 0x201c, 0x201d, 0x2018, 0x2019, 0 }, |
| { "ms", 0x201c, 0x201d, 0x2018, 0x2019, 0 }, |
| { "mua", 0x00ab, 0x00bb, 0x201c, 0x201d, 0 }, |
| { "my", 0x201c, 0x201d, 0x2018, 0x2019, 0 }, |
| { "naq", 0x201c, 0x201d, 0x2018, 0x2019, 0 }, |
| { "nb", 0x00ab, 0x00bb, 0x2018, 0x2019, 0 }, |
| { "nd", 0x201c, 0x201d, 0x2018, 0x2019, 0 }, |
| { "nl", 0x201c, 0x201d, 0x2018, 0x2019, 0 }, |
| { "nmg", 0x201e, 0x201d, 0x00ab, 0x00bb, 0 }, |
| { "nn", 0x00ab, 0x00bb, 0x2018, 0x2019, 0 }, |
| { "nnh", 0x00ab, 0x00bb, 0x201c, 0x201d, 0 }, |
| { "nus", 0x201c, 0x201d, 0x2018, 0x2019, 0 }, |
| { "nyn", 0x201c, 0x201d, 0x2018, 0x2019, 0 }, |
| { "pl", 0x201e, 0x201d, 0x00ab, 0x00bb, 0 }, |
| { "pt", 0x201c, 0x201d, 0x2018, 0x2019, 0 }, |
| { "pt-pt", 0x00ab, 0x00bb, 0x201c, 0x201d, 0 }, |
| { "rn", 0x201d, 0x201d, 0x2019, 0x2019, 0 }, |
| { "ro", 0x201e, 0x201d, 0x00ab, 0x00bb, 0 }, |
| { "rof", 0x201c, 0x201d, 0x2018, 0x2019, 0 }, |
| { "ru", 0x00ab, 0x00bb, 0x201e, 0x201c, 0 }, |
| { "rw", 0x00ab, 0x00bb, 0x2018, 0x2019, 0 }, |
| { "rwk", 0x201c, 0x201d, 0x2018, 0x2019, 0 }, |
| { "saq", 0x201c, 0x201d, 0x2018, 0x2019, 0 }, |
| { "sbp", 0x201c, 0x201d, 0x2018, 0x2019, 0 }, |
| { "seh", 0x201c, 0x201d, 0x2018, 0x2019, 0 }, |
| { "ses", 0x201c, 0x201d, 0x2018, 0x2019, 0 }, |
| { "sg", 0x00ab, 0x00bb, 0x201c, 0x201d, 0 }, |
| { "shi", 0x00ab, 0x00bb, 0x201e, 0x201d, 0 }, |
| { "shi-tfng", 0x00ab, 0x00bb, 0x201e, 0x201d, 0 }, |
| { "si", 0x201c, 0x201d, 0x2018, 0x2019, 0 }, |
| { "sk", 0x201e, 0x201c, 0x201a, 0x2018, 0 }, |
| { "sl", 0x201e, 0x201c, 0x201a, 0x2018, 0 }, |
| { "sn", 0x201d, 0x201d, 0x2019, 0x2019, 0 }, |
| { "so", 0x201c, 0x201d, 0x2018, 0x2019, 0 }, |
| { "sq", 0x201e, 0x201c, 0x201a, 0x2018, 0 }, |
| { "sr", 0x201e, 0x201c, 0x201a, 0x2018, 0 }, |
| { "sr-latn", 0x201e, 0x201c, 0x201a, 0x2018, 0 }, |
| { "sv", 0x201d, 0x201d, 0x2019, 0x2019, 0 }, |
| { "sw", 0x201c, 0x201d, 0x2018, 0x2019, 0 }, |
| { "swc", 0x201c, 0x201d, 0x2018, 0x2019, 0 }, |
| { "ta", 0x201c, 0x201d, 0x2018, 0x2019, 0 }, |
| { "te", 0x201c, 0x201d, 0x2018, 0x2019, 0 }, |
| { "teo", 0x201c, 0x201d, 0x2018, 0x2019, 0 }, |
| { "th", 0x201c, 0x201d, 0x2018, 0x2019, 0 }, |
| { "ti-er", 0x2018, 0x2019, 0x201c, 0x201d, 0 }, |
| { "to", 0x201c, 0x201d, 0x2018, 0x2019, 0 }, |
| { "tr", 0x201c, 0x201d, 0x2018, 0x2019, 0 }, |
| { "twq", 0x201c, 0x201d, 0x2018, 0x2019, 0 }, |
| { "tzm", 0x201c, 0x201d, 0x2018, 0x2019, 0 }, |
| { "uk", 0x00ab, 0x00bb, 0x201e, 0x201c, 0 }, |
| { "ur", 0x201d, 0x201c, 0x2019, 0x2018, 0 }, |
| { "vai", 0x201c, 0x201d, 0x2018, 0x2019, 0 }, |
| { "vai-latn", 0x201c, 0x201d, 0x2018, 0x2019, 0 }, |
| { "vi", 0x201c, 0x201d, 0x2018, 0x2019, 0 }, |
| { "vun", 0x201c, 0x201d, 0x2018, 0x2019, 0 }, |
| { "xh", 0x2018, 0x2019, 0x201c, 0x201d, 0 }, |
| { "xog", 0x201c, 0x201d, 0x2018, 0x2019, 0 }, |
| { "yav", 0x00ab, 0x00bb, 0x00ab, 0x00bb, 0 }, |
| { "yo", 0x201c, 0x201d, 0x2018, 0x2019, 0 }, |
| { "zh", 0x201c, 0x201d, 0x2018, 0x2019, 0 }, |
| { "zh-hant", 0x300c, 0x300d, 0x300e, 0x300f, 0 }, |
| { "zu", 0x201c, 0x201d, 0x2018, 0x2019, 0 }, |
| }; |
| |
| const QuotesData* quotesDataForLanguage(const AtomicString& lang) |
| { |
| if (lang.isNull()) |
| return 0; |
| |
| // This could be just a hash table, but doing that adds 200k to RenderQuote.o |
| Language* languagesEnd = languages + WTF_ARRAY_LENGTH(languages); |
| CString lowercaseLang = lang.string().lower().utf8(); |
| Language key = { lowercaseLang.data(), 0, 0, 0, 0, 0 }; |
| Language* match = std::lower_bound(languages, languagesEnd, key); |
| if (match == languagesEnd || strcmp(match->lang, key.lang)) |
| return 0; |
| |
| if (!match->data) |
| match->data = QuotesData::create(match->open1, match->close1, match->open2, match->close2).leakRef(); |
| |
| return match->data; |
| } |
| |
| static const QuotesData* basicQuotesData() |
| { |
| // FIXME: The default quotes should be the fancy quotes for "en". |
| static QuotesData* staticBasicQuotes = QuotesData::create('"', '"', '\'', '\'').leakRef(); |
| return staticBasicQuotes; |
| } |
| |
| void RenderQuote::updateText() |
| { |
| String text = computeText(); |
| if (m_text == text) |
| return; |
| |
| m_text = text; |
| |
| while (RenderObject* child = lastChild()) |
| child->destroy(); |
| |
| RenderTextFragment* fragment = new RenderTextFragment(&document(), m_text.impl()); |
| fragment->setStyle(style()); |
| addChild(fragment); |
| } |
| |
| String RenderQuote::computeText() const |
| { |
| switch (m_type) { |
| case NO_OPEN_QUOTE: |
| case NO_CLOSE_QUOTE: |
| return emptyString(); |
| case CLOSE_QUOTE: |
| return quotesData()->getCloseQuote(m_depth - 1).impl(); |
| case OPEN_QUOTE: |
| return quotesData()->getOpenQuote(m_depth).impl(); |
| } |
| ASSERT_NOT_REACHED(); |
| return emptyString(); |
| } |
| |
| const QuotesData* RenderQuote::quotesData() const |
| { |
| if (const QuotesData* customQuotes = style()->quotes()) |
| return customQuotes; |
| |
| if (const QuotesData* quotes = quotesDataForLanguage(style()->locale())) |
| return quotes; |
| |
| return basicQuotesData(); |
| } |
| |
| void RenderQuote::attachQuote() |
| { |
| ASSERT(view()); |
| ASSERT(!m_attached); |
| ASSERT(!m_next && !m_previous); |
| ASSERT(isRooted()); |
| |
| if (!view()->renderQuoteHead()) { |
| view()->setRenderQuoteHead(this); |
| m_attached = true; |
| return; |
| } |
| |
| for (RenderObject* predecessor = previousInPreOrder(); predecessor; predecessor = predecessor->previousInPreOrder()) { |
| // Skip unattached predecessors to avoid having stale m_previous pointers |
| // if the previous node is never attached and is then destroyed. |
| if (!predecessor->isQuote() || !toRenderQuote(predecessor)->isAttached()) |
| continue; |
| m_previous = toRenderQuote(predecessor); |
| m_next = m_previous->m_next; |
| m_previous->m_next = this; |
| if (m_next) |
| m_next->m_previous = this; |
| break; |
| } |
| |
| if (!m_previous) { |
| m_next = view()->renderQuoteHead(); |
| view()->setRenderQuoteHead(this); |
| if (m_next) |
| m_next->m_previous = this; |
| } |
| m_attached = true; |
| |
| for (RenderQuote* quote = this; quote; quote = quote->m_next) |
| quote->updateDepth(); |
| |
| ASSERT(!m_next || m_next->m_attached); |
| ASSERT(!m_next || m_next->m_previous == this); |
| ASSERT(!m_previous || m_previous->m_attached); |
| ASSERT(!m_previous || m_previous->m_next == this); |
| } |
| |
| void RenderQuote::detachQuote() |
| { |
| ASSERT(!m_next || m_next->m_attached); |
| ASSERT(!m_previous || m_previous->m_attached); |
| if (!m_attached) |
| return; |
| if (m_previous) |
| m_previous->m_next = m_next; |
| else if (view()) |
| view()->setRenderQuoteHead(m_next); |
| if (m_next) |
| m_next->m_previous = m_previous; |
| if (!documentBeingDestroyed()) { |
| for (RenderQuote* quote = m_next; quote; quote = quote->m_next) |
| quote->updateDepth(); |
| } |
| m_attached = false; |
| m_next = 0; |
| m_previous = 0; |
| m_depth = 0; |
| } |
| |
| void RenderQuote::updateDepth() |
| { |
| ASSERT(m_attached); |
| int oldDepth = m_depth; |
| m_depth = 0; |
| if (m_previous) { |
| m_depth = m_previous->m_depth; |
| switch (m_previous->m_type) { |
| case OPEN_QUOTE: |
| case NO_OPEN_QUOTE: |
| m_depth++; |
| break; |
| case CLOSE_QUOTE: |
| case NO_CLOSE_QUOTE: |
| if (m_depth) |
| m_depth--; |
| break; |
| } |
| } |
| if (oldDepth != m_depth) |
| updateText(); |
| } |
| |
| } // namespace WebCore |