XML_as.h

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// XML_as.h:  ActionScript 3 "XMLDocument" class, for Gnash.
//
//   Copyright (C) 2009, 2010, 2011, 2012 Free Software Foundation, Inc.
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
//

#ifndef GNASH_ASOBJ3_XMLDOCUMENT_H
#define GNASH_ASOBJ3_XMLDOCUMENT_H

#include "XMLNode_as.h"
#include "dsodefs.h"
#include "StringPredicates.h"

#include <map>
#include <string>


namespace gnash {

// Forward declarations
class fn_call;
class URL;

//
//
class XML_as : public XMLNode_as
{
public:

    typedef std::string::const_iterator xml_iterator;

    enum ParseStatus {
            XML_OK = 0,
            XML_UNTERMINATED_CDATA = -2,
            XML_UNTERMINATED_XML_DECL = -3,
            XML_UNTERMINATED_DOCTYPE_DECL = -4,
            XML_UNTERMINATED_COMMENT = -5,
            XML_UNTERMINATED_ELEMENT = -6,
            XML_OUT_OF_MEMORY = -7,
            XML_UNTERMINATED_ATTRIBUTE = -8,
            XML_MISSING_CLOSE_TAG = -9,
            XML_MISSING_OPEN_TAG = -10
    };

    enum LoadStatus {
        XML_LOADED_UNDEFINED = -1,
        XML_LOADED_FALSE = false,
        XML_LOADED_TRUE = true
    };

    //
    XML_as(as_object& object);

    XML_as(as_object& object, const std::string& xml);

    ~XML_as() {};
    
    //
    //
    void toString(std::ostream& o, bool encode) const;

    const std::string& getXMLDecl() const {
        return _xmlDecl;
    }

    void setXMLDecl(const std::string& xml) {
        _xmlDecl = xml;
    }

    const std::string& getDocTypeDecl() const {
        return _docTypeDecl;
    }

    void setDocTypeDecl(const std::string& docType) {
        _docTypeDecl = docType;
    }

    const std::string& getContentType() const {
        return _contentType;
    }

    void setContentType(const std::string& contentType) {
        _contentType = contentType;
    }

    // Methods

    //
    void parseXML(const std::string& xml);

    ParseStatus status() const {
        return _status;
    }

    void setStatus(ParseStatus st) {
        _status = st;
    }

    LoadStatus loaded() const {
        return _loaded;
    }

    void setLoaded(LoadStatus st) {
        _loaded = st;
    }
  
    bool ignoreWhite() const {
        return _ignoreWhite;
    }

    void ignoreWhite(bool ignore) {
        _ignoreWhite = ignore;
    }

private:

    typedef std::map<std::string, std::string, StringNoCaseLessThan> Attributes;

    void parseTag(XMLNode_as*& node, xml_iterator& it, xml_iterator end);

    void parseAttribute(XMLNode_as* node, xml_iterator& it,
            xml_iterator end, Attributes& attributes);

    void parseDocTypeDecl( xml_iterator& it, xml_iterator end);

    void parseText(XMLNode_as* node, xml_iterator& it, xml_iterator end,
            bool ignoreWhite);

    void parseXMLDecl(xml_iterator& it, xml_iterator end);

    void parseComment(XMLNode_as* node, xml_iterator& it, xml_iterator end);

    void parseCData(XMLNode_as* node, xml_iterator& it, xml_iterator end);
 
    //
    void clear();

    // -1 if never asked to load anything
    //  0 if asked to load but not yet loaded (or failure)
    //  1 if successfully loaded
    LoadStatus _loaded;

    ParseStatus _status;        
 
    std::string _docTypeDecl;

    std::string _xmlDecl;

    std::string _contentType;

    bool _ignoreWhite;
};


//
void escapeXML(std::string& text);
void unescapeXML(std::string& text);

void xml_class_init(as_object& where, const ObjectURI& uri);

void registerXMLNative(as_object& where);

}       // namespace gnash
#endif

// local Variables:
// mode: C++
// indent-tabs-mode: t
// End: