From bdb49be73456afc6b3da03d938e188f3c44fe6f4 Mon Sep 17 00:00:00 2001
From: Vishal Rana <vr@labstack.com>
Date: Tue, 13 Mar 2018 12:38:42 -0700
Subject: [PATCH] Added PROPFIND method

Signed-off-by: Vishal Rana <vr@labstack.com>
---
 echo.go   | 20 +++++++-------
 router.go | 79 +++++++++++++++++++++++++++++--------------------------
 2 files changed, 53 insertions(+), 46 deletions(-)

diff --git a/echo.go b/echo.go
index 16c8d82d..713f005c 100644
--- a/echo.go
+++ b/echo.go
@@ -129,15 +129,16 @@ type (
 
 // HTTP methods
 const (
-	CONNECT = "CONNECT"
-	DELETE  = "DELETE"
-	GET     = "GET"
-	HEAD    = "HEAD"
-	OPTIONS = "OPTIONS"
-	PATCH   = "PATCH"
-	POST    = "POST"
-	PUT     = "PUT"
-	TRACE   = "TRACE"
+	CONNECT  = "CONNECT"
+	DELETE   = "DELETE"
+	GET      = "GET"
+	HEAD     = "HEAD"
+	OPTIONS  = "OPTIONS"
+	PATCH    = "PATCH"
+	POST     = "POST"
+	PROPFIND = "PROPFIND"
+	PUT      = "PUT"
+	TRACE    = "TRACE"
 )
 
 // MIME types
@@ -239,6 +240,7 @@ var (
 		OPTIONS,
 		PATCH,
 		POST,
+		PROPFIND,
 		PUT,
 		TRACE,
 	}
diff --git a/router.go b/router.go
index cd91dc80..ff53da87 100644
--- a/router.go
+++ b/router.go
@@ -21,15 +21,16 @@ type (
 	kind          uint8
 	children      []*node
 	methodHandler struct {
-		connect HandlerFunc
-		delete  HandlerFunc
-		get     HandlerFunc
-		head    HandlerFunc
-		options HandlerFunc
-		patch   HandlerFunc
-		post    HandlerFunc
-		put     HandlerFunc
-		trace   HandlerFunc
+		connect  HandlerFunc
+		delete   HandlerFunc
+		get      HandlerFunc
+		head     HandlerFunc
+		options  HandlerFunc
+		patch    HandlerFunc
+		post     HandlerFunc
+		propfind HandlerFunc
+		put      HandlerFunc
+		trace    HandlerFunc
 	}
 )
 
@@ -225,22 +226,24 @@ func (n *node) findChildByKind(t kind) *node {
 
 func (n *node) addHandler(method string, h HandlerFunc) {
 	switch method {
-	case GET:
-		n.methodHandler.get = h
-	case POST:
-		n.methodHandler.post = h
-	case PUT:
-		n.methodHandler.put = h
-	case DELETE:
-		n.methodHandler.delete = h
-	case PATCH:
-		n.methodHandler.patch = h
-	case OPTIONS:
-		n.methodHandler.options = h
-	case HEAD:
-		n.methodHandler.head = h
 	case CONNECT:
 		n.methodHandler.connect = h
+	case DELETE:
+		n.methodHandler.delete = h
+	case GET:
+		n.methodHandler.get = h
+	case HEAD:
+		n.methodHandler.head = h
+	case OPTIONS:
+		n.methodHandler.options = h
+	case PATCH:
+		n.methodHandler.patch = h
+	case POST:
+		n.methodHandler.post = h
+	case PROPFIND:
+		n.methodHandler.propfind = h
+	case PUT:
+		n.methodHandler.put = h
 	case TRACE:
 		n.methodHandler.trace = h
 	}
@@ -248,22 +251,24 @@ func (n *node) addHandler(method string, h HandlerFunc) {
 
 func (n *node) findHandler(method string) HandlerFunc {
 	switch method {
-	case GET:
-		return n.methodHandler.get
-	case POST:
-		return n.methodHandler.post
-	case PUT:
-		return n.methodHandler.put
-	case DELETE:
-		return n.methodHandler.delete
-	case PATCH:
-		return n.methodHandler.patch
-	case OPTIONS:
-		return n.methodHandler.options
-	case HEAD:
-		return n.methodHandler.head
 	case CONNECT:
 		return n.methodHandler.connect
+	case DELETE:
+		return n.methodHandler.delete
+	case GET:
+		return n.methodHandler.get
+	case HEAD:
+		return n.methodHandler.head
+	case OPTIONS:
+		return n.methodHandler.options
+	case PATCH:
+		return n.methodHandler.patch
+	case POST:
+		return n.methodHandler.post
+	case PROPFIND:
+		return n.methodHandler.propfind
+	case PUT:
+		return n.methodHandler.put
 	case TRACE:
 		return n.methodHandler.trace
 	default: