From edd55b55ced4814f09788972fdefee35f7462110 Mon Sep 17 00:00:00 2001
From: shenshouer <shenshouer@autohome.com.cn>
Date: Sun, 2 Apr 2017 00:59:01 +0800
Subject: [PATCH] add custom Delims support

---
 gin.go         | 20 ++++++++++++++------
 render/html.go | 15 +++++++++++----
 2 files changed, 25 insertions(+), 10 deletions(-)

diff --git a/gin.go b/gin.go
index 60f4ab29..62f4472a 100644
--- a/gin.go
+++ b/gin.go
@@ -44,6 +44,7 @@ type (
 	// Create an instance of Engine, by using New() or Default()
 	Engine struct {
 		RouterGroup
+		delims      render.Delims
 		HTMLRender  render.HTMLRender
 		allNoRoute  HandlersChain
 		allNoMethod HandlersChain
@@ -102,6 +103,7 @@ func New() *Engine {
 		HandleMethodNotAllowed: false,
 		ForwardedByClientIP:    true,
 		trees:                  make(methodTrees, 0, 9),
+		delims:                 render.Delims{"{{", "}}"},
 	}
 	engine.RouterGroup.engine = engine
 	engine.pool.New = func() interface{} {
@@ -121,21 +123,27 @@ func (engine *Engine) allocateContext() *Context {
 	return &Context{engine: engine}
 }
 
+func (engine *Engine) Delims(left, right string) *Engine {
+	engine.delims = render.Delims{left, right}
+	return engine
+}
+
 func (engine *Engine) LoadHTMLGlob(pattern string) {
 	if IsDebugging() {
-		debugPrintLoadTemplate(template.Must(template.ParseGlob(pattern)))
-		engine.HTMLRender = render.HTMLDebug{Glob: pattern}
+		// debugPrintLoadTemplate(template.Must(template.ParseGlob(pattern)))
+		debugPrintLoadTemplate(template.Must(template.New("").Delims(engine.delims.Left, engine.delims.Right).ParseGlob(pattern)))
+		engine.HTMLRender = render.HTMLDebug{Glob: pattern, Delims: engine.delims}
 	} else {
-		templ := template.Must(template.ParseGlob(pattern))
+		templ := template.Must(template.New("").Delims(engine.delims.Left, engine.delims.Right).ParseGlob(pattern))
 		engine.SetHTMLTemplate(templ)
 	}
 }
 
 func (engine *Engine) LoadHTMLFiles(files ...string) {
 	if IsDebugging() {
-		engine.HTMLRender = render.HTMLDebug{Files: files}
+		engine.HTMLRender = render.HTMLDebug{Files: files, Delims: engine.delims}
 	} else {
-		templ := template.Must(template.ParseFiles(files...))
+		templ := template.Must(template.New("").Delims(engine.delims.Left, engine.delims.Right).ParseFiles(files...))
 		engine.SetHTMLTemplate(templ)
 	}
 }
@@ -144,7 +152,7 @@ func (engine *Engine) SetHTMLTemplate(templ *template.Template) {
 	if len(engine.trees) > 0 {
 		debugPrintWARNINGSetHTMLTemplate()
 	}
-	engine.HTMLRender = render.HTMLProduction{Template: templ}
+	engine.HTMLRender = render.HTMLProduction{Template: templ, Delims: engine.delims}
 }
 
 // NoRoute adds handlers for NoRoute. It return a 404 code by default.
diff --git a/render/html.go b/render/html.go
index 8bfb23ac..1dce46e0 100644
--- a/render/html.go
+++ b/render/html.go
@@ -10,17 +10,24 @@ import (
 )
 
 type (
+	Delims struct {
+		Left  string
+		Right string
+	}
+
 	HTMLRender interface {
 		Instance(string, interface{}) Render
 	}
 
 	HTMLProduction struct {
 		Template *template.Template
+		Delims   Delims
 	}
 
 	HTMLDebug struct {
-		Files []string
-		Glob  string
+		Files  []string
+		Glob   string
+		Delims Delims
 	}
 
 	HTML struct {
@@ -49,10 +56,10 @@ func (r HTMLDebug) Instance(name string, data interface{}) Render {
 }
 func (r HTMLDebug) loadTemplate() *template.Template {
 	if len(r.Files) > 0 {
-		return template.Must(template.ParseFiles(r.Files...))
+		return template.Must(template.New("").Delims(r.Delims.Left, r.Delims.Right).ParseFiles(r.Files...))
 	}
 	if len(r.Glob) > 0 {
-		return template.Must(template.ParseGlob(r.Glob))
+		return template.Must(template.New("").Delims(r.Delims.Left, r.Delims.Right).ParseGlob(r.Glob))
 	}
 	panic("the HTML debug render was created without files or glob pattern")
 }