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/*
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Copyright (C) 2001-2003 KSVG Team
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This file is part of the KDE project
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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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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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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 <kdebug.h>
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#include <kio/job.h>
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#include <kfilterdev.h>
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#include <tqbuffer.h>
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#include "SVGDocumentImpl.h"
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#include "SVGAnimatedStringImpl.h"
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#include "SVGScriptElementImpl.moc"
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using namespace KSVG;
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#include "SVGScriptElementImpl.lut.h"
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#include "ksvg_scriptinterpreter.h"
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#include "ksvg_bridge.h"
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#include "ksvg_ecma.h"
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SVGScriptElementImpl::SVGScriptElementImpl(DOM::ElementImpl *impl) : TQObject(), SVGElementImpl(impl), SVGURIReferenceImpl(), SVGExternalResourcesRequiredImpl()
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{
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KSVG_EMPTY_FLAGS
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m_job = 0;
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m_added = false;
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}
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SVGScriptElementImpl::~SVGScriptElementImpl()
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{
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}
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void SVGScriptElementImpl::setType(const DOM::DOMString &type)
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{
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setAttribute("type", type);
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}
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DOM::DOMString SVGScriptElementImpl::type() const
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{
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return getAttribute("type");
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}
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void SVGScriptElementImpl::setAttributes()
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{
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SVGElementImpl::setAttributes();
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// Spec: provide a default type
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if(KSVG_TOKEN_NOT_PARSED(Type))
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KSVG_SET_ALT_ATTRIBUTE(Type, "text/ecmascript")
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// Remote downloading
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TQString href = m_href->baseVal().string();
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if(!href.isEmpty())
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{
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KURL url(ownerDoc()->baseUrl(), href);
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if(m_job == 0)
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m_job = KIO::get(url, false, false);
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connect(m_job, TQT_SIGNAL(data(KIO::Job *, const TQByteArray &)), this, TQT_SLOT(slotData(KIO::Job *, const TQByteArray &)));
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connect(m_job, TQT_SIGNAL(result(KIO::Job *)), this, TQT_SLOT(slotResult(KIO::Job *)));
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}
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}
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void SVGScriptElementImpl::slotData(KIO::Job *, const TQByteArray &data)
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{
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TQDataStream dataStream(m_data, IO_WriteOnly | IO_Append);
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dataStream.writeRawBytes(data.data(), data.size());
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}
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void SVGScriptElementImpl::slotResult(KIO::Job *)
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{
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m_job = 0;
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// Append a NULL terminator so we don't die
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m_data.resize(m_data.size() + 1);
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m_data[m_data.size() - 1] = '\0';
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TQBuffer buf(m_data);
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TQIODevice *dev = KFilterDev::device(&buf, "application/x-gzip", false);
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TQByteArray contents;
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if(dev->open(IO_ReadOnly))
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contents = dev->readAll();
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delete dev;
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m_text = TQString::fromUtf8(contents.data());
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m_data.resize(0);
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}
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bool SVGScriptElementImpl::canExecuteScript()
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{
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if(!m_added)
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{
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m_added = true;
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m_text += collectText();
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}
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if(m_text.isEmpty() && !getAttribute("href").isNull() && !getAttribute("href").string().isEmpty())
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return false;
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return true;
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}
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bool SVGScriptElementImpl::executeScript(DOM::Node node)
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{
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return SVGScriptElementImpl::executeScript(node, ownerDoc(), m_text);
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}
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bool SVGScriptElementImpl::executeScript(DOM::Node node, SVGDocumentImpl *document, const TQString &text)
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{
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#ifdef KJS_VERBOSE
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kdDebug(6070) << "SVGScriptElementImpl::executeScript n=" << node.nodeName().string().latin1() << "(" << (node.isNull() ? 0 : node.nodeType()) << ") " << text << endl;
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#endif
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KSVGEcma *ecmaEngine = document->ecmaEngine();
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if(!ecmaEngine->initialized())
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ecmaEngine->setup();
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KJS::Value thisNode = node.isNull() ? ecmaEngine->globalObject() : getDOMNode(ecmaEngine->globalExec(), node);
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KJS::UString code(text);
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KJS::Completion comp = ecmaEngine->evaluate(code, thisNode);
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// TODO: If that's needed find a better solution which
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// doesn't cause endless loops if the func, specified in
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// onerror="..." isn't yet available
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// onerror support
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// if(comp.complType() == Throw)
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// document->rootElement()->dispatchEvent(SVGEventImpl::ERROR_EVENT, false, false);
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return (comp.complType() == KJS::Normal) || (comp.complType() == KJS::ReturnValue);
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}
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// Ecma stuff
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/*
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@namespace KSVG
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@begin SVGScriptElementImpl::s_hashTable 2
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type SVGScriptElementImpl::Type DontDelete
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@end
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*/
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Value SVGScriptElementImpl::getValueProperty(ExecState *, int token) const
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{
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switch(token)
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{
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case Type:
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return String(type());
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default:
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kdWarning() << "Unhandled token in " << k_funcinfo << " : " << token << endl;
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return Undefined();
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}
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}
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void SVGScriptElementImpl::putValueProperty(KJS::ExecState *exec, int token, const KJS::Value &value, int)
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{
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switch(token)
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{
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case Type:
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setType(value.toString(exec).string());
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break;
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default:
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kdWarning() << "Unhandled token in " << k_funcinfo << " : " << token << endl;
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}
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}
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// vim:ts=4:noet
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