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Code Issues Releases Activity

Add annotated filter, support @Import, @Filter.

Browse Source 
Signed-off-by: Colstuwjx <Colstuwjx@gmail.com>
This commit is contained in:
Colstuwjx 2018-09-07 12:14:13 +08:00
parent 053a075344
commit 1cbba4d56f
3 changed files with 225 additions and 13 deletions
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27
controller.go
View File

@ -47,10 +47,37 @@ var (
GlobalControllerRouter = make(map[string][]ControllerComments)
)
// ControllerFilter store the filter for controller
type ControllerFilter struct {
Pattern string
Pos int
Filter FilterFunc
ReturnOnOutput bool
ResetParams bool
}
// ControllerFilterComments store the comment for controller level filter
type ControllerFilterComments struct {
Pattern string
Pos int
Filter string // NOQA
ReturnOnOutput bool
ResetParams bool
}
// ControllerImportComments store the import comment for controller needed
type ControllerImportComments struct {
ImportPath string
ImportAlias string
}
// ControllerComments store the comment for the controller method
type ControllerComments struct {
Method string
Router string
Filters []*ControllerFilter
ImportComments []*ControllerImportComments
FilterComments []*ControllerFilterComments
AllowHTTPMethods []string
Params []map[string]string
MethodParams []*param.MethodParam

185
parser.go
View File

@ -39,7 +39,7 @@ var globalRouterTemplate = `package routers
import (
"github.com/astaxie/beego"
"github.com/astaxie/beego/context/param"
"github.com/astaxie/beego/context/param"{{.globalimport}}
)
func init() {
@ -52,6 +52,22 @@ var (
commentFilename string
pkgLastupdate map[string]int64
genInfoList map[string][]ControllerComments
routerHooks = map[string]int{
"beego.BeforeStatic": BeforeStatic,
"beego.BeforeRouter": BeforeRouter,
"beego.BeforeExec": BeforeExec,
"beego.AfterExec": AfterExec,
"beego.FinishRouter": FinishRouter,
}
routerHooksMapping = map[int]string{
BeforeStatic: "beego.BeforeStatic",
BeforeRouter: "beego.BeforeRouter",
BeforeExec: "beego.BeforeExec",
AfterExec: "beego.AfterExec",
FinishRouter: "beego.FinishRouter",
}
)
const commentPrefix = "commentsRouter_"
@ -102,6 +118,20 @@ type parsedComment struct {
routerPath string
methods []string
params map[string]parsedParam
filters []parsedFilter
imports []parsedImport
}
type parsedImport struct {
importPath string
importAlias string
}
type parsedFilter struct {
pattern string
pos int
filter string
params []bool
}
type parsedParam struct {
@ -126,6 +156,8 @@ func parserComments(f *ast.FuncDecl, controllerName, pkgpath string) error {
cc.Router = parsedComment.routerPath
cc.AllowHTTPMethods = parsedComment.methods
cc.MethodParams = buildMethodParams(f.Type.Params.List, parsedComment)
cc.FilterComments = buildFilters(parsedComment.filters)
cc.ImportComments = buildImports(parsedComment.imports)
genInfoList[key] = append(genInfoList[key], cc)
}
}
@ -133,6 +165,48 @@ func parserComments(f *ast.FuncDecl, controllerName, pkgpath string) error {
return nil
}
func buildImports(pis []parsedImport) []*ControllerImportComments {
var importComments []*ControllerImportComments
for _, pi := range pis {
importComments = append(importComments, &ControllerImportComments{
ImportPath: pi.importPath,
ImportAlias: pi.importAlias,
})
}
return importComments
}
func buildFilters(pfs []parsedFilter) []*ControllerFilterComments {
var filterComments []*ControllerFilterComments
for _, pf := range pfs {
var (
returnOnOutput bool
resetParams bool
)
if len(pf.params) >= 1 {
returnOnOutput = pf.params[0]
}
if len(pf.params) >= 2 {
resetParams = pf.params[1]
}
filterComments = append(filterComments, &ControllerFilterComments{
Filter: pf.filter,
Pattern: pf.pattern,
Pos: pf.pos,
ReturnOnOutput: returnOnOutput,
ResetParams: resetParams,
})
}
return filterComments
}
func buildMethodParams(funcParams []*ast.Field, pc *parsedComment) []*param.MethodParam {
result := make([]*param.MethodParam, 0, len(funcParams))
for _, fparam := range funcParams {
@ -181,6 +255,8 @@ var routeRegex = regexp.MustCompile(`@router\s+(\S+)(?:\s+\[(\S+)\])?`)
func parseComment(lines []*ast.Comment) (pcs []*parsedComment, err error) {
pcs = []*parsedComment{}
params := map[string]parsedParam{}
filters := []parsedFilter{}
imports := []parsedImport{}
for _, c := range lines {
t := strings.TrimSpace(strings.TrimLeft(c.Text, "//"))
@ -209,9 +285,69 @@ func parseComment(lines []*ast.Comment) (pcs []*parsedComment, err error) {
}
}
for _, c := range lines {
t := strings.TrimSpace(strings.TrimLeft(c.Text, "//"))
if strings.HasPrefix(t, "@Import") {
iv := getparams(strings.TrimSpace(strings.TrimLeft(t, "@Import")))
if len(iv) == 0 || len(iv) > 2 {
logs.Error("Invalid @Import format. Only accepts 1 or 2 parameters")
continue
}
p := parsedImport{}
p.importPath = iv[0]
if len(iv) == 2 {
p.importAlias = iv[1]
}
imports = append(imports, p)
}
}
filterLoop:
for _, c := range lines {
t := strings.TrimSpace(strings.TrimLeft(c.Text, "//"))
if strings.HasPrefix(t, "@Filter") {
fv := getparams(strings.TrimSpace(strings.TrimLeft(t, "@Filter")))
if len(fv) < 3 {
logs.Error("Invalid @Filter format. Needs at least 3 parameters")
continue filterLoop
}
p := parsedFilter{}
p.pattern = fv[0]
posName := fv[1]
if pos, exists := routerHooks[posName]; exists {
p.pos = pos
} else {
logs.Error("Invalid @Filter pos: ", posName)
continue filterLoop
}
p.filter = fv[2]
fvParams := fv[3:]
for _, fvParam := range fvParams {
switch fvParam {
case "true":
p.params = append(p.params, true)
case "false":
p.params = append(p.params, false)
default:
logs.Error("Invalid @Filter param: ", fvParam)
continue filterLoop
}
}
filters = append(filters, p)
}
}
for _, c := range lines {
var pc = &parsedComment{}
pc.params = params
pc.filters = filters
pc.imports = imports
t := strings.TrimSpace(strings.TrimLeft(c.Text, "//"))
if strings.HasPrefix(t, "@router") {
@ -277,6 +413,7 @@ func genRouterCode(pkgRealpath string) {
logs.Info("generate router from comments")
var (
globalinfo string
globalimport string
sortKey []string
)
for k := range genInfoList {
@ -295,6 +432,7 @@ func genRouterCode(pkgRealpath string) {
}
allmethod = strings.TrimRight(allmethod, ",") + "}"
}
params := "nil"
if len(c.Params) > 0 {
params = "[]map[string]string{"
@ -305,6 +443,7 @@ func genRouterCode(pkgRealpath string) {
}
params = strings.TrimRight(params, ",") + "}"
}
methodParams := "param.Make("
if len(c.MethodParams) > 0 {
lines := make([]string, 0, len(c.MethodParams))
@ -316,6 +455,43 @@ func genRouterCode(pkgRealpath string) {
",\n "
}
methodParams += ")"
imports := ""
if len(c.ImportComments) > 0 {
for _, i := range c.ImportComments {
if i.ImportAlias != "" {
imports += fmt.Sprintf(`
%s "%s"`, i.ImportAlias, i.ImportPath)
} else {
imports += fmt.Sprintf(`
"%s"`, i.ImportPath)
}
}
}
filters := ""
if len(c.FilterComments) > 0 {
for _, f := range c.FilterComments {
filters += fmt.Sprintf(` &beego.ControllerFilter{
Pattern: "%s",
Pos: %s,
Filter: %s,
ReturnOnOutput: %v,
ResetParams: %v,
},`, f.Pattern, routerHooksMapping[f.Pos], f.Filter, f.ReturnOnOutput, f.ResetParams)
}
}
if filters == "" {
filters = "nil"
} else {
filters = fmt.Sprintf(`[]*beego.ControllerFilter{
%s
}`, filters)
}
globalimport = imports
globalinfo = globalinfo + `
beego.GlobalControllerRouter["` + k + `"] = append(beego.GlobalControllerRouter["` + k + `"],
beego.ControllerComments{
@ -323,17 +499,22 @@ func genRouterCode(pkgRealpath string) {
` + "Router: `" + c.Router + "`" + `,
AllowHTTPMethods: ` + allmethod + `,
MethodParams: ` + methodParams + `,
Filters: ` + filters + `,
Params: ` + params + `})
`
}
}
if globalinfo != "" {
f, err := os.Create(filepath.Join(getRouterDir(pkgRealpath), commentFilename))
if err != nil {
panic(err)
}
defer f.Close()
f.WriteString(strings.Replace(globalRouterTemplate, "{{.globalinfo}}", globalinfo, -1))
content := strings.Replace(globalRouterTemplate, "{{.globalinfo}}", globalinfo, -1)
content = strings.Replace(content, "{{.globalimport}}", globalimport, -1)
f.WriteString(content)
}
}

6
router.go
View File

@ -277,6 +277,10 @@ func (p *ControllerRegister) Include(cList ...ControllerInterface) {
key := t.PkgPath() + ":" + t.Name()
if comm, ok := GlobalControllerRouter[key]; ok {
for _, a := range comm {
for _, f := range a.Filters {
p.InsertFilter(f.Pattern, f.Pos, f.Filter, f.ReturnOnOutput, f.ResetParams)
}
p.addWithMethodParams(a.Router, c, a.MethodParams, strings.Join(a.AllowHTTPMethods, ",")+":"+a.Method)
}
}
@ -877,7 +881,7 @@ func (p *ControllerRegister) ServeHTTP(rw http.ResponseWriter, r *http.Request)
}
Admin:
//admin module record QPS
//admin module record QPS
statusCode := context.ResponseWriter.Status
if statusCode == 0 {