add another decode case for blank, "", for when you want only Query() params

Author: Dean Karn

README.md

@@ -1,6 +1,6 @@
 ##Pure
 <img align="right" src="https://raw.githubusercontent.com/go-playground/pure/master/logo.png">
-![Project status](https://img.shields.io/badge/version-2.0.0-green.svg)
+![Project status](https://img.shields.io/badge/version-2.1.0-green.svg)
 [![Build Status](https://semaphoreci.com/api/v1/joeybloggs/pure/branches/master/badge.svg)](https://semaphoreci.com/joeybloggs/pure)
 [![Coverage Status](https://coveralls.io/repos/github/go-playground/pure/badge.svg?branch=master)](https://coveralls.io/github/go-playground/pure?branch=master)
 [![Go Report Card](https://goreportcard.com/badge/github.com/go-playground/pure)](https://goreportcard.com/report/github.com/go-playground/pure)

constants.go

@@ -2,24 +2,6 @@ package pure
 
 // HTTP Constant Terms and Variables
 const (
-	// // CONNECT HTTP method
-	// CONNECT = "CONNECT"
-	// // DELETE HTTP method
-	// DELETE = "DELETE"
-	// // GET HTTP method
-	// GET = "GET"
-	// // HEAD HTTP method
-	// HEAD = "HEAD"
-	// // OPTIONS HTTP method
-	// OPTIONS = "OPTIONS"
-	// // PATCH HTTP method
-	// PATCH = "PATCH"
-	// // POST HTTP method
-	// POST = "POST"
-	// // PUT HTTP method
-	// PUT = "PUT"
-	// // TRACE HTTP method
-	// TRACE = "TRACE"
 
 	//-------------
 	// Media types
@@ -32,6 +14,7 @@ const (
 	ApplicationXML                   = "application/xml"
 	ApplicationXMLCharsetUTF8        = ApplicationXML + "; " + CharsetUTF8
 	ApplicationForm                  = "application/x-www-form-urlencoded"
+	ApplicationQueryParams           = ""
 	ApplicationProtobuf              = "application/protobuf"
 	ApplicationMsgpack               = "application/msgpack"
 	TextHTML                         = "text/html"

helpers.go

@@ -295,6 +295,21 @@ func Decode(r *http.Request, includeFormQueryParams bool, maxMemory int64, v int
 				err = DefaultDecoder.Decode(v, r.MultipartForm.Value)
 			}
 		}
+
+	case ApplicationQueryParams:
+
+		qp := r.URL.Query()
+
+		if rvi := r.Context().Value(defaultContextIdentifier); rvi != nil {
+
+			rv := rvi.(*requestVars)
+
+			for _, p := range rv.params {
+				qp.Add(p.Key, p.Value)
+			}
+		}
+
+		err = DefaultDecoder.Decode(v, qp)
 	}
 	return
 }

helpers_test.go

@@ -92,15 +92,30 @@ func TestDecode(t *testing.T) {
 		err := Decode(r, true, 16<<10, test)
 		Equal(t, err, nil)
 	})
+	p.Get("/parse-params/:Posted", func(w http.ResponseWriter, r *http.Request) {
+		err := Decode(r, true, 16<<10, test)
+		Equal(t, err, nil)
+	})
 
 	hf := p.Serve()
 
+	r, _ := http.NewRequest(http.MethodGet, "/parse-params/pval?id=5", nil)
+	w := httptest.NewRecorder()
+
+	hf.ServeHTTP(w, r)
+
+	Equal(t, w.Code, http.StatusOK)
+	Equal(t, test.ID, 5)
+	Equal(t, test.Posted, "pval")
+	Equal(t, test.MultiPartPosted, "")
+
 	form := url.Values{}
 	form.Add("Posted", "value")
 
-	r, _ := http.NewRequest(http.MethodPost, "/decode/14?id=13", strings.NewReader(form.Encode()))
+	test = new(TestStruct)
+	r, _ = http.NewRequest(http.MethodPost, "/decode/14?id=13", strings.NewReader(form.Encode()))
 	r.Header.Set(ContentType, ApplicationForm)
-	w := httptest.NewRecorder()
+	w = httptest.NewRecorder()
 
 	hf.ServeHTTP(w, r)
 
@@ -109,6 +124,7 @@ func TestDecode(t *testing.T) {
 	Equal(t, test.Posted, "value")
 	Equal(t, test.MultiPartPosted, "")
 
+	test = new(TestStruct)
 	r, _ = http.NewRequest(http.MethodPost, "/decode/14", strings.NewReader(form.Encode()))
 	r.Header.Set(ContentType, ApplicationForm)
 	w = httptest.NewRecorder()