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      1 /*
      2  * This file is part of the XSL implementation.
      3  *
      4  * Copyright (C) 2004, 2007, 2008 Apple, Inc. All rights reserved.
      5  *
      6  * This library is free software; you can redistribute it and/or
      7  * modify it under the terms of the GNU Library General Public
      8  * License as published by the Free Software Foundation; either
      9  * version 2 of the License, or (at your option) any later version.
     10  *
     11  * This library is distributed in the hope that it will be useful,
     12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
     13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     14  * Library General Public License for more details.
     15  *
     16  * You should have received a copy of the GNU Library General Public License
     17  * along with this library; see the file COPYING.LIB.  If not, write to
     18  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     19  * Boston, MA 02110-1301, USA.
     20  *
     21  */
     22 
     23 #ifndef XSLTProcessor_h
     24 #define XSLTProcessor_h
     25 
     26 #include "bindings/v8/ScriptWrappable.h"
     27 #include "core/dom/Node.h"
     28 #include "core/xml/XSLStyleSheet.h"
     29 #include "wtf/HashMap.h"
     30 #include "wtf/text/StringHash.h"
     31 
     32 #include <libxml/parserInternals.h>
     33 #include <libxslt/documents.h>
     34 
     35 namespace WebCore {
     36 
     37 class Frame;
     38 class Document;
     39 class DocumentFragment;
     40 
     41 class XSLTProcessor : public RefCounted<XSLTProcessor>, public ScriptWrappable {
     42 public:
     43     static PassRefPtr<XSLTProcessor> create() { return adoptRef(new XSLTProcessor); }
     44     ~XSLTProcessor();
     45 
     46     void setXSLStyleSheet(PassRefPtr<XSLStyleSheet> styleSheet) { m_stylesheet = styleSheet; }
     47     bool transformToString(Node* source, String& resultMIMEType, String& resultString, String& resultEncoding);
     48     PassRefPtr<Document> createDocumentFromSource(const String& source, const String& sourceEncoding, const String& sourceMIMEType, Node* sourceNode, Frame* frame);
     49 
     50     // DOM methods
     51     void importStylesheet(PassRefPtr<Node> style)
     52     {
     53         if (style)
     54             m_stylesheetRootNode = style;
     55     }
     56     PassRefPtr<DocumentFragment> transformToFragment(Node* source, Document* ouputDoc);
     57     PassRefPtr<Document> transformToDocument(Node* source);
     58 
     59     void setParameter(const String& namespaceURI, const String& localName, const String& value);
     60     String getParameter(const String& namespaceURI, const String& localName) const;
     61     void removeParameter(const String& namespaceURI, const String& localName);
     62     void clearParameters() { m_parameters.clear(); }
     63 
     64     void reset();
     65 
     66     static void parseErrorFunc(void* userData, xmlError*);
     67     static void genericErrorFunc(void* userData, const char* msg, ...);
     68 
     69     // Only for libXSLT callbacks
     70     XSLStyleSheet* xslStylesheet() const { return m_stylesheet.get(); }
     71 
     72     typedef HashMap<String, String> ParameterMap;
     73 
     74 private:
     75     XSLTProcessor()
     76     {
     77         ScriptWrappable::init(this);
     78     }
     79 
     80     RefPtr<XSLStyleSheet> m_stylesheet;
     81     RefPtr<Node> m_stylesheetRootNode;
     82     ParameterMap m_parameters;
     83 };
     84 
     85 }
     86 
     87 #endif
     88