author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Thu, 17 Dec 2009 09:20:16 +0200 | |
changeset 36 | 0ed94ceaa377 |
parent 0 | dd21522fd290 |
permissions | -rw-r--r-- |
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/** |
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* This file is part of the XSL implementation. |
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* |
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* Copyright (C) 2004, 2005, 2006 Apple Computer, Inc. |
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* |
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* This library is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Library General Public |
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* License as published by the Free Software Foundation; either |
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* version 2 of the License, or (at your option) any later version. |
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* |
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* This library is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Library General Public License for more details. |
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* |
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* You should have received a copy of the GNU Library General Public License |
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* along with this library; see the file COPYING.LIB. If not, write to |
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
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* Boston, MA 02110-1301, USA. |
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*/ |
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#include "config.h" |
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#include "XSLImportRule.h" |
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#if ENABLE(XSLT) |
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#include "CachedXSLStyleSheet.h" |
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#include "DocLoader.h" |
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#include "XSLStyleSheet.h" |
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namespace WebCore { |
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XSLImportRule::XSLImportRule(StyleBase* parent, const String& href) |
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: StyleBase(parent) |
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, m_strHref(href) |
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, m_cachedSheet(0) |
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, m_loading(false) |
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{ |
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} |
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XSLImportRule::~XSLImportRule() |
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{ |
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if (m_styleSheet) |
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m_styleSheet->setParent(0); |
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if (m_cachedSheet) |
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m_cachedSheet->deref(this); |
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} |
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XSLStyleSheet* XSLImportRule::parentStyleSheet() const |
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{ |
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return (parent() && parent()->isXSLStyleSheet()) ? static_cast<XSLStyleSheet*>(parent()) : 0; |
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} |
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void XSLImportRule::setXSLStyleSheet(const String& url, const String& sheet) |
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{ |
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if (m_styleSheet) |
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m_styleSheet->setParent(0); |
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m_styleSheet = new XSLStyleSheet(this, url); |
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XSLStyleSheet* parent = parentStyleSheet(); |
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if (parent) |
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m_styleSheet->setOwnerDocument(parent->ownerDocument()); |
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m_styleSheet->parseString(sheet); |
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m_loading = false; |
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checkLoaded(); |
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} |
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bool XSLImportRule::isLoading() |
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{ |
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return (m_loading || (m_styleSheet && m_styleSheet->isLoading())); |
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} |
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void XSLImportRule::loadSheet() |
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{ |
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DocLoader* docLoader = 0; |
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StyleBase* root = this; |
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StyleBase* parent; |
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while ((parent = root->parent())) |
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root = parent; |
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if (root->isXSLStyleSheet()) |
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docLoader = static_cast<XSLStyleSheet*>(root)->docLoader(); |
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|
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String absHref = m_strHref; |
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XSLStyleSheet* parentSheet = parentStyleSheet(); |
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if (!parentSheet->href().isNull()) |
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// use parent styleheet's URL as the base URL |
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absHref = KURL(parentSheet->href().deprecatedString(),m_strHref.deprecatedString()).url(); |
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// Check for a cycle in our import chain. If we encounter a stylesheet |
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// in our parent chain with the same URL, then just bail. |
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for (parent = static_cast<StyleBase*>(this)->parent(); parent; parent = parent->parent()) { |
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if (absHref == parent->baseURL()) |
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return; |
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} |
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m_cachedSheet = docLoader->requestXSLStyleSheet(absHref); |
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if (m_cachedSheet) { |
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m_cachedSheet->ref(this); |
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// If the imported sheet is in the cache, then setXSLStyleSheet gets called, |
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// and the sheet even gets parsed (via parseString). In this case we have |
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// loaded (even if our subresources haven't), so if we have a stylesheet after |
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// checking the cache, then we've clearly loaded. |
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Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
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if (!m_styleSheet) |
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Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
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m_loading = true; |
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Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
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111 |
} |
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Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
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112 |
} |
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} // namespace WebCore |
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Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
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115 |
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Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
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#endif // ENABLE(XSLT) |