Mercurial > gemma
diff pkg/wfs/capabilities.go @ 1679:2dc7768be0e4
Waterway axis import: More on reading data from WFS. TODO: Parse to concrete features.
| author | Sascha L. Teichmann <sascha.teichmann@intevation.de> |
|---|---|
| date | Wed, 26 Dec 2018 21:01:29 +0100 |
| parents | efc409e330a6 |
| children | 6caf5cd6249e |
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--- a/pkg/wfs/capabilities.go Wed Dec 26 10:54:52 2018 +0100 +++ b/pkg/wfs/capabilities.go Wed Dec 26 21:01:29 2018 +0100 @@ -15,6 +15,7 @@ import ( "encoding/xml" + "errors" "io" "regexp" "strconv" @@ -315,6 +316,19 @@ return max } +var ( + ErrInvalidCRS = errors.New("Invalid CRS string") + crsRe = regexp.MustCompile(`urn:ogc:def:crs:EPSG:[^:]*:(\d+)`) +) + +func CRSToEPSG(s string) (int, error) { + m := crsRe.FindStringSubmatch(s) + if m == nil { + return 0, ErrInvalidCRS + } + return strconv.Atoi(m[1]) +} + func ParseCapabilities(r io.Reader) (*Capabilities, error) { decoder := xml.NewDecoder(r)