CXMLAttribute* Engine::FileSystem::Config::CXMLElement::FindOrCreateAttribute( const char* name )
{
CXMLAttribute* last = 0;
CXMLAttribute* attrib = 0;
for( attrib = rootAttribute;
attrib;
last = attrib, attrib = attrib->next )
{
if ( CXMLUtil::StringEqual( attrib->Name(), name ) ) {
break;
}
}
if ( !attrib ) {
attrib = new (document->attributePool.Alloc() ) CXMLAttribute();
attrib->XMLMemPool = &document->attributePool;
if ( last ) {
last->next = attrib;
}
else {
rootAttribute = attrib;
}
attrib->SetName( name );
}
return attrib;
}
const CXMLAttribute* Engine::FileSystem::Config::CXMLElement::FindAttribute( const char* name ) const
{
CXMLAttribute* a = 0;
for( a=rootAttribute; a; a = a->next ) {
if ( CXMLUtil::StringEqual( a->Name(), name ) )
return a;
}
return 0;
}
char* Engine::FileSystem::Config::CXMLElement::ParseAttributes( char* p )
{
const char* start = p;
CXMLAttribute* prevAttribute = 0;
// Read the attributes.
while( p ) {
p = CXMLUtil::SkipWhiteSpace( p );
if ( !p || !(*p) ) {
document->SetError( XML_ERROR_PARSING_ELEMENT, start, Name() );
return 0;
}
// attribute.
if ( CXMLUtil::IsAlpha( *p ) ) {
CXMLAttribute* attrib = new (document->attributePool.Alloc() ) CXMLAttribute();
attrib->XMLMemPool = &document->attributePool;
p = attrib->ParseDeep( p, document->ProcessEntities() );
if ( !p || Attribute( attrib->Name() ) ) {
DELETE_ATTRIBUTE( attrib );
document->SetError( XML_ERROR_PARSING_ATTRIBUTE, start, p );
return 0;
}
// There is a minor bug here: if the attribute in the source xml
// document is duplicated, it will not be detected and the
// attribute will be doubly added. However, tracking the 'prevAttribute'
// avoids re-scanning the attribute list. Preferring performance for
// now, may reconsider in the future.
if ( prevAttribute ) {
prevAttribute->next = attrib;
}
else {
rootAttribute = attrib;
}
prevAttribute = attrib;
}
// end of the tag
else if ( *p == '/' && *(p+1) == '>' ) {
closingType = CLOSED;
return p+2; // done; sealed element.
}
// end of the tag
else if ( *p == '>' ) {
++p;
break;
}
else {
document->SetError( XML_ERROR_PARSING_ELEMENT, start, p );
return 0;
}
}
return p;
}
