rename internal to utilties for 1.5 compatibility

Makefile

@@ -3,9 +3,9 @@ GO_PLUGIN=bin/protoc-gen-go
 GO_PLUGIN_PKG=github.com/golang/protobuf/protoc-gen-go
 GATEWAY_PLUGIN=bin/protoc-gen-grpc-gateway
 GATEWAY_PLUGIN_PKG=$(PKG)/protoc-gen-grpc-gateway
-GATEWAY_PLUGIN_SRC= internal/doc.go \
-		    internal/name.go \
-		    internal/pattern.go \
+GATEWAY_PLUGIN_SRC= utilities/doc.go \
+		    utilities/name.go \
+		    utilities/pattern.go \
 		    protoc-gen-grpc-gateway/descriptor/registry.go \
 		    protoc-gen-grpc-gateway/descriptor/services.go \
 		    protoc-gen-grpc-gateway/descriptor/types.go \

protoc-gen-grpc-gateway/descriptor/types.go

@@ -4,7 +4,7 @@ import (
 	"fmt"
 	"strings"
 
-	"github.com/gengo/grpc-gateway/internal"
+	"github.com/gengo/grpc-gateway/utilities"
 	"github.com/gengo/grpc-gateway/protoc-gen-grpc-gateway/httprule"
 	descriptor "github.com/golang/protobuf/protoc-gen-go/descriptor"
 )
@@ -233,15 +233,15 @@ type FieldPathComponent struct {
 
 // RHS returns a right-hand-side expression in go for this field.
 func (c FieldPathComponent) RHS() string {
-	return internal.PascalFromSnake(c.Name)
+	return utilities.PascalFromSnake(c.Name)
 }
 
 // LHS returns a left-hand-side expression in go for this field.
 func (c FieldPathComponent) LHS() string {
 	if c.Target.Message.File.proto2() {
-		return fmt.Sprintf("Get%s()", internal.PascalFromSnake(c.Name))
+		return fmt.Sprintf("Get%s()", utilities.PascalFromSnake(c.Name))
 	}
-	return internal.PascalFromSnake(c.Name)
+	return utilities.PascalFromSnake(c.Name)
 }
 
 var (

protoc-gen-grpc-gateway/gengateway/generator.go

@@ -31,7 +31,7 @@ func New(reg *descriptor.Registry) *generator {
 		"io",
 		"net/http",
 		"github.com/gengo/grpc-gateway/runtime",
-		"github.com/gengo/grpc-gateway/internal",
+		"github.com/gengo/grpc-gateway/utilities",
 		"github.com/golang/glog",
 		"github.com/golang/protobuf/proto",
 		"golang.org/x/net/context",

protoc-gen-grpc-gateway/gengateway/template.go

@@ -6,7 +6,7 @@ import (
 	"strings"
 	"text/template"
 
-	"github.com/gengo/grpc-gateway/internal"
+	"github.com/gengo/grpc-gateway/utilities"
 	"github.com/gengo/grpc-gateway/protoc-gen-grpc-gateway/descriptor"
 	"github.com/golang/glog"
 )
@@ -49,12 +49,12 @@ func (b binding) QueryParamFilter() queryParamFilter {
 	for _, p := range b.PathParams {
 		seqs = append(seqs, strings.Split(p.FieldPath.String(), "."))
 	}
-	return queryParamFilter{internal.NewDoubleArray(seqs)}
+	return queryParamFilter{utilities.NewDoubleArray(seqs)}
 }
 
-// queryParamFilter is a wrapper of internal.DoubleArray which provides String() to output DoubleArray.Encoding in a stable and predictable format.
+// queryParamFilter is a wrapper of utilities.DoubleArray which provides String() to output DoubleArray.Encoding in a stable and predictable format.
 type queryParamFilter struct {
-	*internal.DoubleArray
+	*utilities.DoubleArray
 }
 
 func (f queryParamFilter) String() string {
@@ -63,7 +63,7 @@ func (f queryParamFilter) String() string {
 		encodings[enc] = fmt.Sprintf("%q: %d", str, enc)
 	}
 	e := strings.Join(encodings, ", ")
-	return fmt.Sprintf("&internal.DoubleArray{Encoding: map[string]int{%s}, Base: %#v, Check: %#v}", e, f.Base, f.Check)
+	return fmt.Sprintf("&utilities.DoubleArray{Encoding: map[string]int{%s}, Base: %#v, Check: %#v}", e, f.Base, f.Check)
 }
 
 func applyTemplate(p param) (string, error) {
@@ -114,7 +114,7 @@ var _ codes.Code
 var _ io.Reader
 var _ = runtime.String
 var _ = json.Marshal
-var _ = internal.PascalFromSnake
+var _ = utilities.PascalFromSnake
 `))
 
 	handlerTemplate = template.Must(template.New("handler").Parse(`

protoc-gen-grpc-gateway/httprule/compile.go

@@ -1,7 +1,7 @@
 package httprule
 
 import (
-	"github.com/gengo/grpc-gateway/internal"
+	"github.com/gengo/grpc-gateway/utilities"
 )
 
 const (
@@ -22,15 +22,15 @@ type Template struct {
 	Fields []string
 }
 
-// Compiler compiles internal representation of path templates into marshallable operations.
+// Compiler compiles utilities representation of path templates into marshallable operations.
 // They can be unmarshalled by runtime.NewPattern.
 type Compiler interface {
 	Compile() Template
 }
 
 type op struct {
 	// code is the opcode of the operation
-	code internal.OpCode
+	code utilities.OpCode
 
 	// str is a string operand of the code.
 	// num is ignored if str is not empty.
@@ -42,20 +42,20 @@ type op struct {
 
 func (w wildcard) compile() []op {
 	return []op{
-		{code: internal.OpPush},
+		{code: utilities.OpPush},
 	}
 }
 
 func (w deepWildcard) compile() []op {
 	return []op{
-		{code: internal.OpPushM},
+		{code: utilities.OpPushM},
 	}
 }
 
 func (l literal) compile() []op {
 	return []op{
 		{
-			code: internal.OpLitPush,
+			code: utilities.OpLitPush,
 			str:  string(l),
 		},
 	}
@@ -67,10 +67,10 @@ func (v variable) compile() []op {
 		ops = append(ops, s.compile()...)
 	}
 	ops = append(ops, op{
-		code: internal.OpConcatN,
+		code: utilities.OpConcatN,
 		num:  len(v.segments),
 	}, op{
-		code: internal.OpCapture,
+		code: utilities.OpCapture,
 		str:  v.path,
 	})
 
@@ -100,7 +100,7 @@ func (t template) Compile() Template {
 			}
 			ops = append(ops, consts[op.str])
 		}
-		if op.code == internal.OpCapture {
+		if op.code == utilities.OpCapture {
 			fields = append(fields, op.str)
 		}
 	}

protoc-gen-grpc-gateway/httprule/compile_test.go

@@ -4,7 +4,7 @@ import (
 	"reflect"
 	"testing"
 
-	"github.com/gengo/grpc-gateway/internal"
+	"github.com/gengo/grpc-gateway/utilities"
 )
 
 const (
@@ -25,27 +25,27 @@ func TestCompile(t *testing.T) {
 			segs: []segment{
 				wildcard{},
 			},
-			ops: []int{int(internal.OpPush), operandFiller},
+			ops: []int{int(utilities.OpPush), operandFiller},
 		},
 		{
 			segs: []segment{
 				deepWildcard{},
 			},
-			ops: []int{int(internal.OpPushM), operandFiller},
+			ops: []int{int(utilities.OpPushM), operandFiller},
 		},
 		{
 			segs: []segment{
 				literal("v1"),
 			},
-			ops:  []int{int(internal.OpLitPush), 0},
+			ops:  []int{int(utilities.OpLitPush), 0},
 			pool: []string{"v1"},
 		},
 		{
 			segs: []segment{
 				literal("v1"),
 			},
 			verb: "LOCK",
-			ops:  []int{int(internal.OpLitPush), 0},
+			ops:  []int{int(utilities.OpLitPush), 0},
 			pool: []string{"v1"},
 		},
 		{
@@ -58,9 +58,9 @@ func TestCompile(t *testing.T) {
 				},
 			},
 			ops: []int{
-				int(internal.OpPush), operandFiller,
-				int(internal.OpConcatN), 1,
-				int(internal.OpCapture), 0,
+				int(utilities.OpPush), operandFiller,
+				int(utilities.OpConcatN), 1,
+				int(utilities.OpCapture), 0,
 			},
 			pool:   []string{"name.nested"},
 			fields: []string{"name.nested"},
@@ -84,15 +84,15 @@ func TestCompile(t *testing.T) {
 				},
 			},
 			ops: []int{
-				int(internal.OpLitPush), 0,
-				int(internal.OpLitPush), 1,
-				int(internal.OpPush), operandFiller,
-				int(internal.OpLitPush), 2,
-				int(internal.OpConcatN), 3,
-				int(internal.OpCapture), 3,
-				int(internal.OpPushM), operandFiller,
-				int(internal.OpConcatN), 1,
-				int(internal.OpCapture), 0,
+				int(utilities.OpLitPush), 0,
+				int(utilities.OpLitPush), 1,
+				int(utilities.OpPush), operandFiller,
+				int(utilities.OpLitPush), 2,
+				int(utilities.OpConcatN), 3,
+				int(utilities.OpCapture), 3,
+				int(utilities.OpPushM), operandFiller,
+				int(utilities.OpConcatN), 1,
+				int(utilities.OpCapture), 0,
 			},
 			pool:   []string{"obj", "a", "b", "name.nested"},
 			fields: []string{"name.nested", "obj"},

runtime/mux_test.go

@@ -7,7 +7,7 @@ import (
 	"net/http/httptest"
 	"testing"
 
-	"github.com/gengo/grpc-gateway/internal"
+	"github.com/gengo/grpc-gateway/utilities"
 	"github.com/gengo/grpc-gateway/runtime"
 )
 
@@ -37,7 +37,7 @@ func TestMuxServeHTTP(t *testing.T) {
 			patterns: []stubPattern{
 				{
 					method: "GET",
-					ops:    []int{int(internal.OpLitPush), 0},
+					ops:    []int{int(utilities.OpLitPush), 0},
 					pool:   []string{"foo"},
 				},
 			},
@@ -50,7 +50,7 @@ func TestMuxServeHTTP(t *testing.T) {
 			patterns: []stubPattern{
 				{
 					method: "GET",
-					ops:    []int{int(internal.OpLitPush), 0},
+					ops:    []int{int(utilities.OpLitPush), 0},
 					pool:   []string{"foo"},
 				},
 			},
@@ -62,12 +62,12 @@ func TestMuxServeHTTP(t *testing.T) {
 			patterns: []stubPattern{
 				{
 					method: "GET",
-					ops:    []int{int(internal.OpLitPush), 0},
+					ops:    []int{int(utilities.OpLitPush), 0},
 					pool:   []string{"foo"},
 				},
 				{
 					method: "GET",
-					ops:    []int{int(internal.OpPush), 0},
+					ops:    []int{int(utilities.OpPush), 0},
 				},
 			},
 			reqMethod:   "GET",
@@ -79,12 +79,12 @@ func TestMuxServeHTTP(t *testing.T) {
 			patterns: []stubPattern{
 				{
 					method: "GET",
-					ops:    []int{int(internal.OpLitPush), 0},
+					ops:    []int{int(utilities.OpLitPush), 0},
 					pool:   []string{"foo"},
 				},
 				{
 					method: "POST",
-					ops:    []int{int(internal.OpLitPush), 0},
+					ops:    []int{int(utilities.OpLitPush), 0},
 					pool:   []string{"foo"},
 				},
 			},
@@ -97,7 +97,7 @@ func TestMuxServeHTTP(t *testing.T) {
 			patterns: []stubPattern{
 				{
 					method: "GET",
-					ops:    []int{int(internal.OpLitPush), 0},
+					ops:    []int{int(utilities.OpLitPush), 0},
 					pool:   []string{"foo"},
 				},
 			},
@@ -109,7 +109,7 @@ func TestMuxServeHTTP(t *testing.T) {
 			patterns: []stubPattern{
 				{
 					method: "GET",
-					ops:    []int{int(internal.OpLitPush), 0},
+					ops:    []int{int(utilities.OpLitPush), 0},
 					pool:   []string{"foo"},
 				},
 			},
@@ -125,12 +125,12 @@ func TestMuxServeHTTP(t *testing.T) {
 			patterns: []stubPattern{
 				{
 					method: "GET",
-					ops:    []int{int(internal.OpLitPush), 0},
+					ops:    []int{int(utilities.OpLitPush), 0},
 					pool:   []string{"foo"},
 				},
 				{
 					method: "POST",
-					ops:    []int{int(internal.OpLitPush), 0},
+					ops:    []int{int(utilities.OpLitPush), 0},
 					pool:   []string{"foo"},
 				},
 			},
@@ -147,7 +147,7 @@ func TestMuxServeHTTP(t *testing.T) {
 			patterns: []stubPattern{
 				{
 					method: "GET",
-					ops:    []int{int(internal.OpLitPush), 0},
+					ops:    []int{int(utilities.OpLitPush), 0},
 					pool:   []string{"foo"},
 				},
 			},