114 lines
		
	
	
		
			3.7 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			114 lines
		
	
	
		
			3.7 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
| package echo
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| 
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| import (
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| 	"path"
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| )
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| 
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| type (
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| 	// Group is a set of sub-routes for a specified route. It can be used for inner
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| 	// routes that share a common middleware or functionality that should be separate
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| 	// from the parent echo instance while still inheriting from it.
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| 	Group struct {
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| 		prefix     string
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| 		middleware []MiddlewareFunc
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| 		echo       *Echo
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| 	}
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| )
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| 
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| // Use implements `Echo#Use()` for sub-routes within the Group.
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| func (g *Group) Use(middleware ...MiddlewareFunc) {
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| 	g.middleware = append(g.middleware, middleware...)
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| 	// Allow all requests to reach the group as they might get dropped if router
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| 	// doesn't find a match, making none of the group middleware process.
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| 	g.echo.Any(path.Clean(g.prefix+"/*"), func(c Context) error {
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| 		return ErrNotFound
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| 	}, g.middleware...)
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| }
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| 
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| // CONNECT implements `Echo#CONNECT()` for sub-routes within the Group.
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| func (g *Group) CONNECT(path string, h HandlerFunc, m ...MiddlewareFunc) {
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| 	g.add(CONNECT, path, h, m...)
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| }
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| 
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| // DELETE implements `Echo#DELETE()` for sub-routes within the Group.
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| func (g *Group) DELETE(path string, h HandlerFunc, m ...MiddlewareFunc) {
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| 	g.add(DELETE, path, h, m...)
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| }
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| 
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| // GET implements `Echo#GET()` for sub-routes within the Group.
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| func (g *Group) GET(path string, h HandlerFunc, m ...MiddlewareFunc) {
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| 	g.add(GET, path, h, m...)
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| }
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| 
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| // HEAD implements `Echo#HEAD()` for sub-routes within the Group.
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| func (g *Group) HEAD(path string, h HandlerFunc, m ...MiddlewareFunc) {
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| 	g.add(HEAD, path, h, m...)
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| }
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| 
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| // OPTIONS implements `Echo#OPTIONS()` for sub-routes within the Group.
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| func (g *Group) OPTIONS(path string, h HandlerFunc, m ...MiddlewareFunc) {
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| 	g.add(OPTIONS, path, h, m...)
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| }
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| 
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| // PATCH implements `Echo#PATCH()` for sub-routes within the Group.
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| func (g *Group) PATCH(path string, h HandlerFunc, m ...MiddlewareFunc) {
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| 	g.add(PATCH, path, h, m...)
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| }
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| 
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| // POST implements `Echo#POST()` for sub-routes within the Group.
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| func (g *Group) POST(path string, h HandlerFunc, m ...MiddlewareFunc) {
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| 	g.add(POST, path, h, m...)
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| }
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| 
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| // PUT implements `Echo#PUT()` for sub-routes within the Group.
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| func (g *Group) PUT(path string, h HandlerFunc, m ...MiddlewareFunc) {
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| 	g.add(PUT, path, h, m...)
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| }
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| 
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| // TRACE implements `Echo#TRACE()` for sub-routes within the Group.
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| func (g *Group) TRACE(path string, h HandlerFunc, m ...MiddlewareFunc) {
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| 	g.add(TRACE, path, h, m...)
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| }
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| 
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| // Any implements `Echo#Any()` for sub-routes within the Group.
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| func (g *Group) Any(path string, handler HandlerFunc, middleware ...MiddlewareFunc) {
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| 	for _, m := range methods {
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| 		g.add(m, path, handler, middleware...)
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| 	}
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| }
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| 
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| // Match implements `Echo#Match()` for sub-routes within the Group.
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| func (g *Group) Match(methods []string, path string, handler HandlerFunc, middleware ...MiddlewareFunc) {
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| 	for _, m := range methods {
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| 		g.add(m, path, handler, middleware...)
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| 	}
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| }
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| 
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| // Group creates a new sub-group with prefix and optional sub-group-level middleware.
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| func (g *Group) Group(prefix string, middleware ...MiddlewareFunc) *Group {
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| 	m := []MiddlewareFunc{}
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| 	m = append(m, g.middleware...)
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| 	m = append(m, middleware...)
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| 	return g.echo.Group(g.prefix+prefix, m...)
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| }
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| 
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| // Static implements `Echo#Static()` for sub-routes within the Group.
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| func (g *Group) Static(prefix, root string) {
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| 	static(g, prefix, root)
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| }
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| 
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| // File implements `Echo#File()` for sub-routes within the Group.
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| func (g *Group) File(path, file string) {
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| 	g.echo.File(g.prefix+path, file)
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| }
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| 
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| func (g *Group) add(method, path string, handler HandlerFunc, middleware ...MiddlewareFunc) {
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| 	// Combine into a new slice to avoid accidentally passing the same slice for
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| 	// multiple routes, which would lead to later add() calls overwriting the
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| 	// middleware from earlier calls.
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| 	m := []MiddlewareFunc{}
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| 	m = append(m, g.middleware...)
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| 	m = append(m, middleware...)
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| 	g.echo.add(method, g.prefix+path, handler, m...)
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| }
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