Home | History | Annotate | Download | only in xml 
      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 "RuntimeEnabledFeatures.h"
     27 #include "bindings/v8/ScriptWrappable.h"
     28 #include "core/dom/Node.h"
     29 #include "core/xml/XSLStyleSheet.h"
     30 #include "wtf/HashMap.h"
     31 #include "wtf/text/StringHash.h"
     32 
     33 #include <libxml/parserInternals.h>
     34 #include <libxslt/documents.h>
     35 
     36 namespace WebCore {
     37 
     38 class Frame;
     39 class Document;
     40 class DocumentFragment;
     41 
     42 class XSLTProcessor : public RefCounted<XSLTProcessor>, public ScriptWrappable {
     43 public:
     44     static PassRefPtr<XSLTProcessor> create()
     45     {
     46         ASSERT(RuntimeEnabledFeatures::xsltEnabled());
     47         return adoptRef(new XSLTProcessor);
     48     }
     49     ~XSLTProcessor();
     50 
     51     void setXSLStyleSheet(PassRefPtr<XSLStyleSheet> styleSheet) { m_stylesheet = styleSheet; }
     52     bool transformToString(Node* source, String& resultMIMEType, String& resultString, String& resultEncoding);
     53     PassRefPtr<Document> createDocumentFromSource(const String& source, const String& sourceEncoding, const String& sourceMIMEType, Node* sourceNode, Frame* frame);
     54 
     55     // DOM methods
     56     void importStylesheet(PassRefPtr<Node> style)
     57     {
     58         if (style)
     59             m_stylesheetRootNode = style;
     60     }
     61     PassRefPtr<DocumentFragment> transformToFragment(Node* source, Document* ouputDoc);
     62     PassRefPtr<Document> transformToDocument(Node* source);
     63 
     64     void setParameter(const String& namespaceURI, const String& localName, const String& value);
     65     String getParameter(const String& namespaceURI, const String& localName) const;
     66     void removeParameter(const String& namespaceURI, const String& localName);
     67     void clearParameters() { m_parameters.clear(); }
     68 
     69     void reset();
     70 
     71     static void parseErrorFunc(void* userData, xmlError*);
     72     static void genericErrorFunc(void* userData, const char* msg, ...);
     73 
     74     // Only for libXSLT callbacks
     75     XSLStyleSheet* xslStylesheet() const { return m_stylesheet.get(); }
     76 
     77     typedef HashMap<String, String> ParameterMap;
     78 
     79 private:
     80     XSLTProcessor()
     81     {
     82         ScriptWrappable::init(this);
     83     }
     84 
     85     RefPtr<XSLStyleSheet> m_stylesheet;
     86     RefPtr<Node> m_stylesheetRootNode;
     87     ParameterMap m_parameters;
     88 };
     89 
     90 }
     91 
     92 #endif
     93