XmlDocument.cpp

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/*
Copyright (C) 2008  Anders Hedstrom

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 2
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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
*/
#include "XmlDocument.h"
#include "XmlException.h"

namespace Xmlw {

XmlDocument::XmlDocument(const std::string& filename,const std::string& verify_ns,const std::string& verify_root)
: m_doc(NULL)
, m_ok(false)
{
        xmlNodePtr cur;
        xmlNsPtr ns;

        if (!(m_doc = xmlParseFile(filename.c_str() )))
        {
                throw XmlException("Parse of file failed: " + filename);
        }
        if (!(cur = xmlDocGetRootElement(m_doc)))
        {
                xmlFreeDoc(m_doc);
                m_doc = NULL;
                throw XmlException("Document is empty: " + filename);
        }
        if (verify_ns.size())
        {
                if (!(ns = xmlSearchNsByHref(m_doc, cur, (const xmlChar *) verify_ns.c_str() )))
                {
                        xmlFreeDoc(m_doc);
                        m_doc = NULL;
                        throw XmlException("Document namespace != " + verify_ns);
                }
        }
        if (verify_root.size())
        {
                if (xmlStrcmp(cur -> name, (const xmlChar *) verify_root.c_str() ))
                {
                        xmlFreeDoc(m_doc);
                        m_doc = NULL;
                        throw XmlException("Document root != " + verify_root);
                }
        }
        m_ok = true;
}


XmlDocument::~XmlDocument()
{
        if (m_doc)
        {
                xmlFreeDoc(m_doc);
        }
}


XmlDocument::operator xmlDocPtr()
{
        return m_doc;
}


}

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