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Diffstat (limited to 'router.go')
-rw-r--r--router.go17
1 files changed, 10 insertions, 7 deletions
diff --git a/router.go b/router.go
index d45a7de..7cf3142 100644
--- a/router.go
+++ b/router.go
@@ -2,6 +2,7 @@ package sliderule
import (
"context"
+ "path"
"strings"
"tildegit.org/tjp/sliderule/internal"
@@ -10,9 +11,11 @@ import (
// Router stores a mapping of request path patterns to handlers.
//
// Pattern may begin with "/" and then contain slash-delimited segments.
-// - Segments beginning with colon (:) are wildcards and will match any path
+// - Segments containing a colon (:) are wildcards and will match any path
// segment at that location. It may optionally have a word after the colon,
-// which will be the parameter name the path segment is captured into.
+// which will be the parameter name the path segment is captured into. It
+// may also optionally have text before the colon, in which case the pattern
+// will not match unless the request path segment contains that prefix.
// - Segments beginning with asterisk (*) are remainder wildcards. This must
// come last and will capture any remainder of the path. It may have a name
// after the asterisk which will be the parameter name.
@@ -50,7 +53,7 @@ func (r Router) Handle(ctx context.Context, request *Request) *Response {
return nil
}
- return handler.Handle(context.WithValue(ctx, routeParamsKey, params), request)
+ return handler.Handle(context.WithValue(ctx, RouteParamsKey, params), request)
}
// Handler builds a Handler
@@ -83,8 +86,8 @@ func (r *Router) Mount(prefix string, subrouter *Router) {
prefix = strings.TrimSuffix(prefix, "/")
for _, subroute := range subrouter.tree.Routes() {
- r.Route(prefix+"/"+subroute.Pattern, subroute.Value)
- if subroute.Pattern == "" {
+ r.Route(path.Join(prefix, subroute.Pattern), subroute.Value)
+ if subroute.Pattern == "/" {
r.Route(prefix, subroute.Value)
}
}
@@ -111,7 +114,7 @@ func (r *Router) Use(mw Middleware) {
// If Router was used but no parameters were captured in the pattern, it
// returns a non-nil empty map.
func RouteParams(ctx context.Context) map[string]string {
- if m, ok := ctx.Value(routeParamsKey).(map[string]string); ok {
+ if m, ok := ctx.Value(RouteParamsKey).(map[string]string); ok {
return m
}
return nil
@@ -119,4 +122,4 @@ func RouteParams(ctx context.Context) map[string]string {
type routeParamsKeyType struct{}
-var routeParamsKey = routeParamsKeyType{}
+var RouteParamsKey = routeParamsKeyType{}