XmlTree::ConstIter::ConstIter( const XmlTree &root, const string &filterPath, bool caseSensitive, char separator )
: mCaseSensitive( caseSensitive )
{
mFilter = split( filterPath, separator );
// we ignore a leading separator so that "/one/two" is equivalent to "one/two"
if( ( ! filterPath.empty() ) && ( filterPath[0] == separator ) && ( ! mFilter.empty() ) )
mFilter.erase( mFilter.begin() );
if( mFilter.empty() ) { // empty filter means nothing matches
setToEnd( &root.getChildren() );
return;
}
for( vector<string>::const_iterator filterComp = mFilter.begin(); filterComp != mFilter.end(); ++filterComp ) {
if( mIterStack.empty() ) // first item
mSequenceStack.push_back( &root.getChildren() );
else
mSequenceStack.push_back( &(*mIterStack.back())->getChildren() );
Container::const_iterator child = findNextChildNamed( *mSequenceStack.back(), mSequenceStack.back()->begin(), *filterComp, mCaseSensitive );
if( child != (mSequenceStack.back())->end() )
mIterStack.push_back( child );
else { // failed to find an item that matches this part of the filter; mark as finished and return
setToEnd( &root.getChildren() );
return;
}
}
}
/* public */
void
LinearLocation::clamp(const Geometry* linear)
{
if (componentIndex >= linear->getNumGeometries())
{
setToEnd(linear);
return;
}
if (segmentIndex >= linear->getNumPoints())
{
const LineString* line = dynamic_cast<const LineString*> (linear->getGeometryN(componentIndex));
segmentIndex = line->getNumPoints() - 1;
segmentFraction = 1.0;
}
}
