func (m *Map) newClass(r mss.Rule, layerType string) (b *Block, styled bool) {
b = &Block{Name: "CLASS"}
if r.Zoom != mss.AllZoom {
b.Add("", "# "+r.Zoom.String())
}
if l := r.Zoom.First(); l > 0 {
b.Add("MaxScaleDenom", zoomRanges[l])
}
if l := r.Zoom.Last(); l < 22 {
b.Add("MinScaleDenom", zoomRanges[l+1])
}
filter := fmtFilters(r.Filters)
if filter != "" {
b.Add("Expression", filter)
}
prefixes := mss.SortedPrefixes(r.Properties, []string{"line-", "polygon-", "polygon-pattern-", "text-", "shield-", "marker-", "point-", "building-"})
for _, p := range prefixes {
prefixStyled := false
hidden := false
r.Properties.SetDefaultInstance(p.Instance)
switch p.Name {
case "line-":
if layerType == "POLYGON" {
prefixStyled, hidden = m.addPolygonOutlineSymbolizer(b, r)
} else if layerType == "LINE" {
prefixStyled, hidden = m.addLineSymbolizer(b, r)
}
case "polygon-":
if layerType == "POLYGON" {
prefixStyled = m.addPolygonSymbolizer(b, r)
}
case "polygon-pattern-":
prefixStyled = m.addPolygonPatternSymbolizer(b, r)
case "text-":
prefixStyled = m.addTextSymbolizer(b, r, layerType == "LINE")
case "shield-":
prefixStyled = m.addShieldSymbolizer(b, r)
case "marker-":
prefixStyled = m.addMarkerSymbolizer(b, r, layerType == "LINE")
case "point-":
prefixStyled = m.addPointSymbolizer(b, r)
case "building-":
prefixStyled = m.addBuildingSymbolizer(b, r)
default:
log.Println("invalid prefix", p)
}
if prefixStyled {
styled = true
}
if hidden {
b.Add("", NewBlock("STYLE"))
}
r.Properties.SetDefaultInstance("")
}
return
}
func (m *Map) newRule(r mss.Rule) *Rule {
result := &Rule{}
if r.Zoom != mss.AllZoom {
result.Zoom = r.Zoom.String()
}
if l := r.Zoom.First(); l > 0 {
result.MaxScaleDenom = zoomRanges[l]
}
if l := r.Zoom.Last(); l < 22 {
result.MinScaleDenom = zoomRanges[l+1]
}
result.Filter = fmtFilters(r.Filters)
prefixes := mss.SortedPrefixes(r.Properties, []string{"line-", "polygon-", "polygon-pattern-", "text-", "shield-", "marker-", "point-", "building-", "raster-"})
for _, p := range prefixes {
r.Properties.SetDefaultInstance(p.Instance)
switch p.Name {
case "line-":
m.addLineSymbolizer(result, r)
case "line-pattern-":
m.addLinePatternSymbolizer(result, r)
case "polygon-":
m.addPolygonSymbolizer(result, r)
case "polygon-pattern-":
m.addPolygonPatternSymbolizer(result, r)
case "text-":
m.addTextSymbolizer(result, r)
case "shield-":
m.addShieldSymbolizer(result, r)
case "marker-":
m.addMarkerSymbolizer(result, r)
case "point-":
m.addPointSymbolizer(result, r)
case "building-":
m.addBuildingSymbolizer(result, r)
case "dot-":
m.addDotSymbolizer(result, r)
case "raster-":
m.addRasterSymbolizer(result, r)
default:
log.Println("invalid prefix", p)
}
}
r.Properties.SetDefaultInstance("")
return result
}