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/*
Mini XML lib PLUS for C++
Document class
Author: Giancarlo Niccolai <gc@falconpl.org>
*/
#include <mxml_document.h>
namespace MXML {
Document::Document( const Falcon::String &encoding, const int style )
:Element(),
m_encoding( encoding )
{
m_style = style;
m_root = new Node(Node::typeDocument);
m_root->reserve();
}
Document::Document( Document &doc )
{
m_style = doc.m_style;
m_root = doc.m_root->clone();
m_encoding = doc.m_encoding;
}
Document::Document( Falcon::Stream &in, const int style )
throw( MalformedError )
{
m_style = style;
m_root = new Node( Node::typeDocument );
m_root->reserve();
read( in );
}
Document::~Document()
{
if ( m_root->shell() == 0 )
delete m_root;
else
m_root->unreserve();
}
Node *Document::main() const
{
Node *ret = m_root->lastChild();
while ( ret != 0 && ret->nodeType() != Node::typeTag )
ret = ret->prev();
return ret;
}
void Document::write( Falcon::Stream &stream, const int style ) const
{
stream.writeString( "<?xml version=\"1.0\" encoding=\"" + m_encoding + "\"?>\n");
m_root->write( stream, m_style );
}
void Document::read( Falcon::Stream &stream )
throw( MalformedError )
{
setPosition( 1, 1);
if ( m_root->child() != 0 ) {
m_root->dispose();
m_root = new Node( Node::typeDocument );
m_root->reserve();
}
// load the <?xml document declaration
bool xmlDecl = false;
while ( stream.good() && ! stream.eof() )
{
// ignore parameter style
Node *child = new Node();
try
{
child->read( stream, m_style, line(), character());
}
catch( MalformedError )
{
delete child;
throw;
}
setPosition( child->line(), child->character() );
if( child->nodeType() == Node::typeXMLDecl )
{
if ( xmlDecl )
{
MalformedError err( Error::errMultipleXmlDecl, child );
delete child;
throw err;
}
xmlDecl = true;
// find the encoding parameter.
if ( child->hasAttribute( "encoding" ) )
m_encoding = child->getAttribute( "encoding" );
else
m_encoding = "C";
delete child;
continue;
}
if ( child->nodeType() == Node::typeData && child->data() == "" )
delete child;
else {
m_root->addBelow( child );
}
}
if ( stream.bad() )
{
throw IOError( Error::errIo, m_root );
}
//todo: validity checks
}
}
/* end of mxml_document.cpp */
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