180 lines
6.3 KiB
C++
180 lines
6.3 KiB
C++
/*
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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, 2007, 2008 Apple, Inc. All rights reserved.
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* Copyright (C) 2005, 2006 Alexey Proskuryakov <ap@webkit.org>
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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 "XSLTProcessor.h"
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#if ENABLE(XSLT)
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#include "DOMImplementation.h"
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#include "CachedResourceLoader.h"
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#include "ContentSecurityPolicy.h"
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#include "DocumentFragment.h"
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#include "Frame.h"
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#include "FrameLoader.h"
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#include "FrameView.h"
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#include "SecurityOrigin.h"
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#include "SecurityOriginPolicy.h"
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#include "Text.h"
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#include "TextResourceDecoder.h"
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#include "XMLDocument.h"
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#include "markup.h"
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#include <wtf/Assertions.h>
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namespace WebCore {
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static inline void transformTextStringToXHTMLDocumentString(String& text)
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{
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// Modify the output so that it is a well-formed XHTML document with a <pre> tag enclosing the text.
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text.replaceWithLiteral('&', "&");
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text.replaceWithLiteral('<', "<");
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text = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
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"<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Strict//EN\" \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd\">\n"
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"<html xmlns=\"http://www.w3.org/1999/xhtml\">\n"
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"<head><title/></head>\n"
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"<body>\n"
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"<pre>" + text + "</pre>\n"
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"</body>\n"
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"</html>\n";
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}
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XSLTProcessor::~XSLTProcessor()
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{
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// Stylesheet shouldn't outlive its root node.
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ASSERT(!m_stylesheetRootNode || !m_stylesheet || m_stylesheet->hasOneRef());
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}
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Ref<Document> XSLTProcessor::createDocumentFromSource(const String& sourceString,
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const String& sourceEncoding, const String& sourceMIMEType, Node* sourceNode, Frame* frame)
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{
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Ref<Document> ownerDocument(sourceNode->document());
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bool sourceIsDocument = (sourceNode == &ownerDocument.get());
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String documentSource = sourceString;
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RefPtr<Document> result;
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if (sourceMIMEType == "text/plain") {
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result = XMLDocument::createXHTML(frame, ownerDocument->settings(), sourceIsDocument ? ownerDocument->url() : URL());
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transformTextStringToXHTMLDocumentString(documentSource);
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} else
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result = DOMImplementation::createDocument(sourceMIMEType, frame, ownerDocument->settings(), sourceIsDocument ? ownerDocument->url() : URL());
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// Before parsing, we need to save & detach the old document and get the new document
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// in place. We have to do this only if we're rendering the result document.
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if (frame) {
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if (FrameView* view = frame->view())
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view->clear();
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if (Document* oldDocument = frame->document()) {
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result->setTransformSourceDocument(oldDocument);
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result->takeDOMWindowFrom(*oldDocument);
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result->setSecurityOriginPolicy(oldDocument->securityOriginPolicy());
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result->setCookieURL(oldDocument->cookieURL());
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result->setFirstPartyForCookies(oldDocument->firstPartyForCookies());
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result->setSiteForCookies(oldDocument->siteForCookies());
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result->setStrictMixedContentMode(oldDocument->isStrictMixedContentMode());
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result->contentSecurityPolicy()->copyStateFrom(oldDocument->contentSecurityPolicy());
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result->contentSecurityPolicy()->copyUpgradeInsecureRequestStateFrom(*oldDocument->contentSecurityPolicy());
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}
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frame->setDocument(result.copyRef());
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}
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auto decoder = TextResourceDecoder::create(sourceMIMEType);
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decoder->setEncoding(sourceEncoding.isEmpty() ? UTF8Encoding() : TextEncoding(sourceEncoding), TextResourceDecoder::EncodingFromXMLHeader);
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result->setDecoder(WTFMove(decoder));
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result->setContent(documentSource);
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return result.releaseNonNull();
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}
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RefPtr<Document> XSLTProcessor::transformToDocument(Node* sourceNode)
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{
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if (!sourceNode)
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return nullptr;
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String resultMIMEType;
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String resultString;
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String resultEncoding;
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if (!transformToString(*sourceNode, resultMIMEType, resultString, resultEncoding))
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return nullptr;
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return createDocumentFromSource(resultString, resultEncoding, resultMIMEType, sourceNode, 0);
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}
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RefPtr<DocumentFragment> XSLTProcessor::transformToFragment(Node* sourceNode, Document* outputDoc)
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{
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if (!sourceNode || !outputDoc)
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return nullptr;
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String resultMIMEType;
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String resultString;
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String resultEncoding;
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// If the output document is HTML, default to HTML method.
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if (outputDoc->isHTMLDocument())
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resultMIMEType = "text/html";
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if (!transformToString(*sourceNode, resultMIMEType, resultString, resultEncoding))
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return nullptr;
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return createFragmentForTransformToFragment(*outputDoc, resultString, resultMIMEType);
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}
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void XSLTProcessor::setParameter(const String& /*namespaceURI*/, const String& localName, const String& value)
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{
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if (localName.isNull() || value.isNull())
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return;
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// FIXME: namespace support?
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// should make a QualifiedName here but we'd have to expose the impl
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m_parameters.set(localName, value);
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}
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String XSLTProcessor::getParameter(const String& /*namespaceURI*/, const String& localName) const
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{
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if (localName.isNull())
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return { };
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// FIXME: namespace support?
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// should make a QualifiedName here but we'd have to expose the impl
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return m_parameters.get(localName);
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}
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void XSLTProcessor::removeParameter(const String& /*namespaceURI*/, const String& localName)
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{
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if (localName.isNull())
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return;
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// FIXME: namespace support?
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m_parameters.remove(localName);
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}
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void XSLTProcessor::reset()
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{
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m_stylesheet = nullptr;
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m_stylesheetRootNode = nullptr;
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m_parameters.clear();
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}
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} // namespace WebCore
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#endif // ENABLE(XSLT)
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