policies implementation

g_docs.go

@@ -149,6 +149,9 @@ func generateDocs(curpath string) {
 															Name:        strings.Trim(s, "/"),
 															Description: v,
 														})
+														if policy := policyList[controllerName]; policy != nil {
+															policyPathList[version+s] = policy
+														}
 													}
 												}
 											}
@@ -189,6 +192,8 @@ func generateDocs(curpath string) {
 	if err != nil || erryml != nil {
 		panic(err)
 	}
+
+	generatePolicies(curpath)
 }
 
 // return version and the others params
@@ -321,6 +326,7 @@ func analisyscontrollerPkg(localName, pkgpath string) {
 								//parse controller definition comments
 								if strings.TrimSpace(specDecl.Doc.Text()) != "" {
 									controllerComments[pkgpath+s.(*ast.TypeSpec).Name.String()] = specDecl.Doc.Text()
+									controllerFindPolicies(specDecl.Doc, s.(*ast.TypeSpec).Name.Name, pkgpath)
 								}
 							}
 						}
@@ -368,6 +374,7 @@ func parserComments(comments *ast.CommentGroup, funcName, controllerName, pkgpat
 	opts := swagger.Operation{
 		Responses: make(map[string]swagger.Response),
 	}
+	policy := Policy{}
 	if comments != nil && comments.List != nil {
 		for _, c := range comments.List {
 			t := strings.TrimSpace(strings.TrimLeft(c.Text, "//"))
@@ -543,6 +550,11 @@ func parserComments(comments *ast.CommentGroup, funcName, controllerName, pkgpat
 						opts.Produces = append(opts.Produces, ahtml)
 					}
 				}
+			} else if strings.HasPrefix(t, "@policy") {
+				policyFields := strings.FieldsFunc(t[len("@policy"):], func(c rune) bool {return !unicode.IsLetter(c) && !unicode.IsNumber(c) && c!='_'})
+				for _, val := range policyFields {
+					policy.Policies = append(policy.Policies, val)
+				}
 			}
 		}
 	}
@@ -575,6 +587,27 @@ func parserComments(comments *ast.CommentGroup, funcName, controllerName, pkgpat
 			item.Options = &opts
 		}
 		controllerList[pkgpath+controllerName][routerPath] = item
+
+		if len(policy.Policies) > 0 {
+			policy.Method = strings.ToLower(HTTPMethod)
+			if i := strings.Index(routerPath, ":"); i < 0 {
+				policy.Path = routerPath
+			} else {
+				policy.Path = routerPath[:i]
+			}
+			policyMethods := policyList[pkgpath+controllerName]
+			if policyMethods == nil {
+				policyMethods = make(map[string]*Policy)
+				policyList[pkgpath+controllerName] = policyMethods
+			}
+			if pm := policyMethods[policy.Method]; pm != nil {
+				for _, curPolicy := range policy.Policies {
+					pm.Policies = append(pm.Policies, curPolicy)
+				}
+			} else {
+				policyMethods[policy.Method] = &policy
+			}
+		}
 	}
 	return nil
 }

g_policies.go

@@ -0,0 +1,104 @@
+// Copyright 2016 bee authors. All Rights Reserved.
+//
+// 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 main
+
+import (
+	"bytes"
+	"go/ast"
+	"os"
+	"path"
+	"strings"
+	"text/template"
+	"unicode"
+)
+
+type Policy struct {
+	Method   string
+	Path     string
+	Policies []string
+}
+
+var (
+	policyList     = make(map[string]map[string]*Policy) //controllername -> method -> policy
+	policyPathList = make(map[string]map[string]*Policy) //path -> method -> policy
+)
+
+func controllerFindPolicies(comments *ast.CommentGroup, controllerName, pkgpath string) {
+	if comments == nil || comments.List == nil {
+		return
+	}
+	for _, c := range comments.List {
+		t := strings.TrimSpace(strings.TrimLeft(c.Text, "//"))
+		if strings.HasPrefix(t, "@policy") {
+			policy := Policy{
+				Method: "*",
+			}
+			policyFields := strings.FieldsFunc(t[len("@policy"):], func(c rune) bool { return !unicode.IsLetter(c) && !unicode.IsNumber(c) && c != '_' })
+			for _, val := range policyFields {
+				policy.Policies = append(policy.Policies, val)
+			}
+			policyMethods := policyList[pkgpath+controllerName]
+			if policyMethods == nil {
+				policyMethods = make(map[string]*Policy)
+				policyList[pkgpath+controllerName] = policyMethods
+			}
+			if pm := policyMethods[policy.Method]; pm != nil {
+				for _, curPolicy := range policy.Policies {
+					pm.Policies = append(pm.Policies, curPolicy)
+				}
+			} else {
+				policyMethods[policy.Method] = &policy
+			}
+		}
+	}
+}
+
+func generatePolicies(curpath string) {
+	fn := template.FuncMap{
+		"join": strings.Join,
+	}
+
+	tmpl, err := template.New("policy template").Funcs(fn).Parse(policyTpl)
+	if err != nil {
+		panic("Can't parse policy template: " + err.Error())
+	}
+	var buf bytes.Buffer
+	err = tmpl.Execute(&buf, policyPathList)
+	if err != nil {
+		panic("Can't execute policy template: " + err.Error())
+
+	}
+	policyFile, err := os.Create(path.Join(curpath, "policies", "policies_autogen.go"))
+	if err != nil {
+		panic(err)
+	}
+	defer policyFile.Close()
+
+	_, err = policyFile.Write(buf.Bytes())
+	if err != nil {
+		panic(err)
+	}
+}
+
+var policyTpl = `// This file was auto-generated by bee tools, do not change it!
+package policies
+
+import "github.com/astaxie/beego"
+
+func init() {
+{{ range $path, $policyList := . }}{{ range $, $policy := $policyList }}	beego.Policy("{{$path}}{{$policy.Path}}", "{{$policy.Method}}", {{ join $policy.Policies ", " }})
+{{ end }}{{ end }}
+}
+`

watch.go

@@ -253,6 +253,7 @@ var ignoredFilesRegExps = []string{
 	`.(\w+).go.swp`,
 	`(\w+).go~`,
 	`(\w+).tmp`,
+	`policies_autogen.go`,
 }
 
 // checkIfWatchExt returns true if the name HasSuffix <watch_ext>.