/// <summary>
/// Creates a new MapCSS interpreter from a stream.
/// </summary>
/// <param name="stream"></param>
/// <param name="imageSource"></param>
public MapCSSInterpreter(Stream stream, IMapCSSImageSource imageSource)
{
if (imageSource == null)
{
throw new ArgumentNullException("imageSource");
}
_mapCSSFile = MapCSSFile.FromStream(stream);
_mapCSSImageSource = imageSource;
_geometryInterpreter = GeometryInterpreter.DefaultInterpreter;
}
public MapCSSVectorTileStyler(Stream stream)
{
var _mapCSSFile = MapCSSFile.FromStream(stream);
_keysForNodes = new HashSet <string>();
_keysForWays = new HashSet <string>();
_keysForRelations = new HashSet <string>();
_keysForLines = new HashSet <string>();
_keysForAreas = new HashSet <string>();
if (_mapCSSFile != null && _mapCSSFile.Rules != null)
{
foreach (var rule in _mapCSSFile.Rules)
{
foreach (var selector in rule.Selectors)
{
if (selector.SelectorRule == null)
{ // there is no selector rule, not irrelevant tags, no short-list of relevant tags possible.
switch (selector.Type)
{
case SelectorTypeEnum.Node:
_keysForNodes = null;
break;
case SelectorTypeEnum.Way:
_keysForWays = null;
break;
case SelectorTypeEnum.Relation:
_keysForRelations = null;
break;
case SelectorTypeEnum.Line:
_keysForLines = null;
break;
case SelectorTypeEnum.Area:
_keysForAreas = null;
break;
}
}
else
{ // there might be relevant tags in this selector rule.
switch (selector.Type)
{
case SelectorTypeEnum.Node:
selector.SelectorRule.AddRelevantKeysTo(_keysForNodes);
break;
case SelectorTypeEnum.Way:
selector.SelectorRule.AddRelevantKeysTo(_keysForWays);
break;
case SelectorTypeEnum.Relation:
selector.SelectorRule.AddRelevantKeysTo(_keysForRelations);
break;
case SelectorTypeEnum.Line:
selector.SelectorRule.AddRelevantKeysTo(_keysForLines);
break;
case SelectorTypeEnum.Area:
selector.SelectorRule.AddRelevantKeysTo(_keysForAreas);
break;
}
}
}
}
}
_unsuccesfullWays = new HashSet <TagsCollectionBase>();
_succesfullWays = new Dictionary <TagsCollectionBase, List <MapCSSRuleProperties> >();
}
