From 8fa1cfe077967d2e15b8f6efd6e1e6e5c50c9167 Mon Sep 17 00:00:00 2001
From: shaoying <shylinux@icloud.com>
Date: Thu, 31 May 2018 09:56:37 +0800
Subject: [PATCH] mac add funcmap

---
 src/contexts/web/web.go        | 76 +++++++++++++++++++++++++++++++---
 usr/template/common/base.html  |  7 +++-
 usr/template/common/login.html |  2 +-
 3 files changed, 77 insertions(+), 8 deletions(-)

diff --git a/src/contexts/web/web.go b/src/contexts/web/web.go
index 4b503b88..49c68f3d 100644
--- a/src/contexts/web/web.go
+++ b/src/contexts/web/web.go
@@ -85,6 +85,71 @@ type WEB struct {
 	*ctx.Context
 }
 
+var funcmap = template.FuncMap{"meta": func(arg ...interface{}) string {
+	if len(arg) == 0 {
+		return ""
+	}
+
+	up := ""
+	if m, ok := arg[0].(*ctx.Message); ok {
+		if len(arg) == 1 {
+			return fmt.Sprintf("%v", m)
+		} else {
+			arg[0] = m.Meta
+			if key, ok := arg[1].(string); ok {
+				switch key {
+				case "context":
+					msg := m.Spawn(m.Target())
+					msg.Cmd("context")
+					up = strings.Join(msg.Meta["result"], "")
+				}
+			}
+		}
+	}
+
+	list := []string{}
+	switch data := arg[0].(type) {
+	case map[string][]string:
+		if len(arg) == 1 {
+			list = append(list, fmt.Sprintf("detail: %s\n", data["detail"]))
+			list = append(list, fmt.Sprintf("option: %s\n", data["option"]))
+			list = append(list, fmt.Sprintf("result: %s\n", data["result"]))
+			list = append(list, fmt.Sprintf("append: %s\n", data["append"]))
+			break
+		}
+		if key, ok := arg[1].(string); ok {
+			if list, ok = data[key]; ok {
+				arg = arg[1:]
+			} else {
+				return up
+			}
+		} else {
+			return fmt.Sprintf("%v", data)
+		}
+	case []string:
+		list = data
+	default:
+		if data == nil {
+			return ""
+		}
+		return fmt.Sprintf("%v", data)
+	}
+
+	if len(arg) == 1 {
+		return strings.Join(list, "")
+	}
+
+	index, ok := arg[1].(int)
+	if !ok {
+		return strings.Join(list, "")
+	}
+
+	if index >= len(list) {
+		return ""
+	}
+	return list[index]
+}}
+
 func (web *WEB) generate(m *ctx.Message, uri string, arg ...string) string { // {{{
 	add, e := url.Parse(uri)
 	m.Assert(e)
@@ -678,7 +743,7 @@ var Index = &ctx.Context{Name: "web", Help: "应用中心",
 
 			if !m.Options("right") {
 				w.Header().Add("Content-Type", "text/html")
-				tmpl := template.Must(template.Must(template.ParseGlob(m.Conf("template_dir") + "/common/*.html")).ParseGlob(m.Conf("template_dir") + "upload.html"))
+				tmpl := template.Must(template.Must(template.New("fuck").Funcs(funcmap).ParseGlob(m.Conf("template_dir") + "/common/*.html")).ParseGlob(m.Conf("template_dir") + "upload.html"))
 				m.Assert(tmpl)
 
 				tmpl.ExecuteTemplate(w, "head", m.Meta)
@@ -749,7 +814,7 @@ var Index = &ctx.Context{Name: "web", Help: "应用中心",
 			}
 
 			w.Header().Add("Content-Type", "text/html")
-			tmpl := template.Must(template.Must(template.ParseGlob(m.Conf("template_dir") + "/common/*.html")).ParseGlob(m.Conf("template_dir") + "upload.html"))
+			tmpl := template.Must(template.Must(template.New("fuck").Funcs(funcmap).ParseGlob(m.Conf("template_dir") + "/common/*.html")).ParseGlob(m.Conf("template_dir") + "upload.html"))
 			m.Assert(tmpl)
 
 			tmpl.ExecuteTemplate(w, "head", m.Meta)
@@ -861,7 +926,7 @@ var Index = &ctx.Context{Name: "web", Help: "应用中心",
 			}
 
 			w.Header().Add("Content-Type", "text/html")
-			tmpl := template.Must(template.Must(template.ParseGlob(m.Conf("template_dir") + "/common/*.html")).ParseGlob(m.Conf("template_dir") + "travel.html"))
+			tmpl := template.Must(template.Must(template.New("fuck").Funcs(funcmap).ParseGlob(m.Conf("template_dir") + "/common/*.html")).ParseGlob(m.Conf("template_dir") + "travel.html"))
 			m.Assert(tmpl)
 
 			m.Assert(tmpl.ExecuteTemplate(w, "head", m.Meta))
@@ -913,10 +978,11 @@ var Index = &ctx.Context{Name: "web", Help: "应用中心",
 			w := m.Data["response"].(http.ResponseWriter)
 
 			w.Header().Add("Content-Type", "text/html")
-			tmpl := template.Must(template.ParseGlob(m.Conf("template_dir") + "/common/*.html"))
+			tmpl := template.Must(template.New("fuck").Funcs(funcmap).ParseGlob(m.Conf("template_dir") + "/common/*.html"))
 			m.Assert(tmpl)
 
-			tmpl.ExecuteTemplate(w, "head", m.Meta)
+			m.Option("message", "hello")
+			tmpl.ExecuteTemplate(w, "head", m)
 			tmpl.ExecuteTemplate(w, "tail", m.Meta)
 		}},
 	},
diff --git a/usr/template/common/base.html b/usr/template/common/base.html
index b1d1b79f..2f649b3f 100644
--- a/usr/template/common/base.html
+++ b/usr/template/common/base.html
@@ -2,7 +2,6 @@
 <!DOCTYPE html>
 <head>
 <meta charset="UTF-8">
-<link rel="icon" href="favicon.ico" type="image/x-icon"/>
 <style>
 	legend {
 		font-size:16px;
@@ -21,11 +20,15 @@
 </style>
 </head>
 <body>
+<pre>
+{{meta .Meta}}<br/>
+{{meta . "context"}}<br/>
+</pre>
 {{end}}
 
 {{define "message"}}
 <fieldset class="message"><legend>message</legend>
-	<pre>{{index . "message"}}</pre>
+	<pre>{{meta . "message"}}</pre>
 </fieldset>
 {{end}}
 
diff --git a/usr/template/common/login.html b/usr/template/common/login.html
index 31043e1c..1fda617e 100644
--- a/usr/template/common/login.html
+++ b/usr/template/common/login.html
@@ -1,7 +1,7 @@
 {{define "login"}}
 <fieldset><legend>login</legend>
 	<form method="POST" action="/login" onsubmit="return login(event)">
-		<label>username:</label><input type="text" name="username" value="{{index .username 0}}" required autofocus>
+		<label>username:</label><input type="text" name="username" value="{{meta .username}}" required autofocus>
 		<label>password:</label><input type="password" name="password" required>
 		<input type="submit">
 	</form>