// #############################################################################################
// Internals
// #############################################################################################
/** ****************************************************************************************
* Internal, recursive helper of #Find.
*
* @param domainPath Path to search.
* @param sensitivity Denotes if domain name search is treated case sensitive or not.
* @param maxCreate The maximum number of sub domains that are created if not
* found at the end of the path.
* @param[out] wasCreated Output parameter that is set \c true if domain was not found
* and hence created.
* @return The domain found or created.
******************************************************************************************/
protected Domain findRecursive( Substring domainPath, Case sensitivity,
int maxCreate, ref bool wasCreated )
{
//--- get act sub-name and rest of path
domainPath.Consume( Separator );
int endSubName= domainPath.IndexOf( Separator );
ALIB.ASSERT_ERROR( endSubName != 0, "Internal Error" );
// find end of actual domain name and save rest
Substring restOfDomainPath= tSubstring2;
restOfDomainPath.SetNull();
if ( endSubName > 0 )
domainPath.Split( endSubName, restOfDomainPath, 1 );
// search sub-domain
Domain subDomain= null;
// "."
if( domainPath.Equals( "." ) )
subDomain= this;
// ".."
else if( domainPath.Equals( ".." ) )
subDomain= Parent != null ? Parent : this;
// search in sub-domain
else
{
int i;
bool fixedOnce= false;
for(;;)
{
for( i= 0; i< SubDomains.Count; i++ )
{
int comparison= SubDomains[i].Name.CompareTo( domainPath, sensitivity );
if( comparison >= 0 )
{
if ( comparison == 0 )
subDomain= SubDomains[i];
break;
}
}
// domain found?
if ( subDomain != null )
break;
// try and fix name
if( !fixedOnce )
{
fixedOnce= true;
bool illegalCharacterFound= false;
for( int cp= 0; cp< domainPath.Length() ; ++cp )
{
char c= domainPath.CharAt(cp);
if ( c < '-' || c > 'z'
|| c == '<' || c == '>'
|| c == '[' || c == ']'
|| c == '=' || c == '?' || c == ';' || c == ':'
|| c == '\\'|| c == '\''|| c == '.' || c == ','
)
{
illegalCharacterFound= true;
domainPath.Buf[domainPath.Start + cp]= '#';
}
}
if ( illegalCharacterFound )
continue;
}
// create
if ( maxCreate == 0 )
return null;
wasCreated= true;
SubDomains.Insert( i, subDomain= new Domain( this, new AString( domainPath ) ) );
maxCreate--;
if ( maxCreate == 0 )
return subDomain;
break;
}
}
// recursion?
if ( restOfDomainPath.IsNotEmpty() )
{
domainPath.Set( restOfDomainPath );
return subDomain.findRecursive( domainPath, sensitivity, maxCreate, ref wasCreated );
}
// that's it
return subDomain;
}
