Merge branch 'develop' into performance

Conflicts:
	context.go
	context_test.go
	gin_test.go
	recovery_test.go
	utils.go

context.go

@@ -6,7 +6,7 @@ package gin
 
 import (
 	"errors"
-	"log"
+	"fmt"
 	"math"
 	"net/http"
 	"strings"
@@ -32,7 +32,7 @@ type Context struct {
 	Engine   *Engine
 	Keys     map[string]interface{}
 	Errors   errorMsgs
-	accepted []string
+	Accepted []string
 }
 
 /************************************/
@@ -46,7 +46,7 @@ func (c *Context) reset() {
 	c.index = -1
 	c.Keys = nil
 	c.Errors = c.Errors[0:0]
-	c.accepted = nil
+	c.Accepted = nil
 }
 
 func (c *Context) Copy() *Context {
@@ -83,6 +83,10 @@ func (c *Context) AbortWithStatus(code int) {
 	c.Abort()
 }
 
+func (c *Context) IsAborted() bool {
+	return c.index == AbortIndex
+}
+
 /************************************/
 /********* ERROR MANAGEMENT *********/
 /************************************/
@@ -98,7 +102,7 @@ func (c *Context) Fail(code int, err error) {
 	c.AbortWithStatus(code)
 }
 
-func (c *Context) ErrorTyped(err error, typ uint32, meta interface{}) {
+func (c *Context) ErrorTyped(err error, typ int, meta interface{}) {
 	c.Errors = append(c.Errors, errorMsg{
 		Err:  err.Error(),
 		Type: typ,
@@ -147,9 +151,8 @@ func (c *Context) MustGet(key string) interface{} {
 	if value, exists := c.Get(key); exists {
 		return value
 	} else {
-		log.Panicf("Key %s does not exist", key)
+		panic("Key " + key + " does not exist")
 	}
-	return nil
 }
 
 /************************************/
@@ -164,7 +167,7 @@ func (c *Context) ClientIP() string {
 	clientIP = c.Request.Header.Get("X-Forwarded-For")
 	clientIP = strings.Split(clientIP, ",")[0]
 	if len(clientIP) > 0 {
-		return clientIP
+		return strings.TrimSpace(clientIP)
 	}
 	return c.Request.RemoteAddr
 }
@@ -237,7 +240,7 @@ func (c *Context) Redirect(code int, location string) {
 	if code >= 300 && code <= 308 {
 		c.Render(code, render.Redirect, c.Request, location)
 	} else {
-		log.Panicf("Cannot redirect with status code %d", code)
+		panic(fmt.Sprintf("Cannot redirect with status code %d", code))
 	}
 }
 
@@ -276,7 +279,7 @@ func (c *Context) Negotiate(code int, config Negotiate) {
 
 	case binding.MIMEHTML:
 		if len(config.HTMLPath) == 0 {
-			log.Panic("negotiate config is wrong. html path is needed")
+			panic("negotiate config is wrong. html path is needed")
 		}
 		data := chooseData(config.HTMLData, config.Data)
 		c.HTML(code, config.HTMLPath, data)
@@ -292,26 +295,24 @@ func (c *Context) Negotiate(code int, config Negotiate) {
 
 func (c *Context) NegotiateFormat(offered ...string) string {
 	if len(offered) == 0 {
-		log.Panic("you must provide at least one offer")
+		panic("you must provide at least one offer")
 	}
-	if c.accepted == nil {
-		c.accepted = parseAccept(c.Request.Header.Get("Accept"))
+	if c.Accepted == nil {
+		c.Accepted = parseAccept(c.Request.Header.Get("Accept"))
 	}
-	if len(c.accepted) == 0 {
+	if len(c.Accepted) == 0 {
 		return offered[0]
-
-	} else {
-		for _, accepted := range c.accepted {
-			for _, offert := range offered {
-				if accepted == offert {
-					return offert
-				}
+	}
+	for _, accepted := range c.Accepted {
+		for _, offert := range offered {
+			if accepted == offert {
+				return offert
 			}
 		}
-		return ""
 	}
+	return ""
 }
 
 func (c *Context) SetAccepted(formats ...string) {
-	c.accepted = formats
+	c.Accepted = formats
 }