use go 1.12

Signed-off-by: hongming <talonwan@yunify.com>

vendor/github.com/mholt/caddy/caddyhttp/templates/setup.go

@@ -0,0 +1,122 @@
+// Copyright 2015 Light Code Labs, LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package templates
+
+import (
+	"bytes"
+	"net/http"
+	"sync"
+
+	"github.com/mholt/caddy"
+	"github.com/mholt/caddy/caddyhttp/httpserver"
+)
+
+func init() {
+	caddy.RegisterPlugin("templates", caddy.Plugin{
+		ServerType: "http",
+		Action:     setup,
+	})
+}
+
+// setup configures a new Templates middleware instance.
+func setup(c *caddy.Controller) error {
+	rules, err := templatesParse(c)
+	if err != nil {
+		return err
+	}
+
+	cfg := httpserver.GetConfig(c)
+
+	tmpls := Templates{
+		Rules:   rules,
+		Root:    cfg.Root,
+		FileSys: http.Dir(cfg.Root),
+		BufPool: &sync.Pool{
+			New: func() interface{} {
+				return new(bytes.Buffer)
+			},
+		},
+	}
+
+	cfg.AddMiddleware(func(next httpserver.Handler) httpserver.Handler {
+		tmpls.Next = next
+		return tmpls
+	})
+
+	return nil
+}
+
+func templatesParse(c *caddy.Controller) ([]Rule, error) {
+	var rules []Rule
+
+	for c.Next() {
+		var rule Rule
+
+		rule.Path = defaultTemplatePath
+		rule.Extensions = defaultTemplateExtensions
+
+		args := c.RemainingArgs()
+
+		switch len(args) {
+		case 0:
+			// Optional block
+			for c.NextBlock() {
+				switch c.Val() {
+				case "path":
+					args := c.RemainingArgs()
+					if len(args) != 1 {
+						return nil, c.ArgErr()
+					}
+					rule.Path = args[0]
+
+				case "ext":
+					args := c.RemainingArgs()
+					if len(args) == 0 {
+						return nil, c.ArgErr()
+					}
+					rule.Extensions = args
+
+				case "between":
+					args := c.RemainingArgs()
+					if len(args) != 2 {
+						return nil, c.ArgErr()
+					}
+					rule.Delims[0] = args[0]
+					rule.Delims[1] = args[1]
+				}
+			}
+		default:
+			// First argument would be the path
+			rule.Path = args[0]
+
+			// Any remaining arguments are extensions
+			rule.Extensions = args[1:]
+			if len(rule.Extensions) == 0 {
+				rule.Extensions = defaultTemplateExtensions
+			}
+		}
+
+		for _, ext := range rule.Extensions {
+			rule.IndexFiles = append(rule.IndexFiles, "index"+ext)
+		}
+
+		rules = append(rules, rule)
+	}
+	return rules, nil
+}
+
+const defaultTemplatePath = "/"
+
+var defaultTemplateExtensions = []string{".html", ".htm", ".tmpl", ".tpl", ".txt"}