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mirror of https://github.com/astaxie/beego.git synced 2025-07-02 12:50:18 +00:00

change a log about new version

This commit is contained in:
astaxie
2013-09-10 00:00:11 +08:00
parent 5b9ae54441
commit bd61dd9ffc
14 changed files with 923 additions and 658 deletions

256
router.go
View File

@ -1,9 +1,8 @@
package beego
import (
"bytes"
"fmt"
"io/ioutil"
beecontext "github.com/astaxie/beego/context"
"net/http"
"net/url"
"os"
@ -25,31 +24,20 @@ type controllerInfo struct {
hasMethod bool
}
type userHandler struct {
pattern string
regex *regexp.Regexp
params map[int]string
h http.Handler
}
type ControllerRegistor struct {
routers []*controllerInfo
fixrouters []*controllerInfo
enableFilter bool
filters []http.HandlerFunc
enableAfter bool
afterFilters []http.HandlerFunc
enableUser bool
userHandlers map[string]*userHandler
filters map[string][]*FilterRouter
enableAuto bool
autoRouter map[string]map[string]reflect.Type //key:controller key:method value:reflect.type
}
func NewControllerRegistor() *ControllerRegistor {
return &ControllerRegistor{
routers: make([]*controllerInfo, 0),
userHandlers: make(map[string]*userHandler),
autoRouter: make(map[string]map[string]reflect.Type),
routers: make([]*controllerInfo, 0),
autoRouter: make(map[string]map[string]reflect.Type),
filters: make(map[string][]*FilterRouter),
}
}
@ -182,35 +170,39 @@ func (p *ControllerRegistor) AddAuto(c ControllerInterface) {
}
}
func (p *ControllerRegistor) AddHandler(pattern string, c http.Handler) {
p.enableUser = true
parts := strings.Split(pattern, "/")
// Filter adds the middleware filter.
func (p *ControllerRegistor) AddFilter(pattern, action string, filter FilterFunc) {
p.enableFilter = true
mr := new(FilterRouter)
mr.filterFunc = filter
parts := strings.Split(pattern, "/")
j := 0
params := make(map[int]string)
for i, part := range parts {
if strings.HasPrefix(part, ":") {
expr := "([^/]+)"
expr := "(.+)"
//a user may choose to override the defult expression
// similar to expressjs: /user/:id([0-9]+)
if index := strings.Index(part, "("); index != -1 {
expr = part[index:]
part = part[:index]
//match /user/:id:int ([0-9]+)
//match /post/:username:string ([\w]+)
} else if lindex := strings.LastIndex(part, ":"); lindex != 0 {
switch part[lindex:] {
case ":int":
expr = "([0-9]+)"
part = part[:lindex]
case ":string":
expr = `([\w]+)`
part = part[:lindex]
}
}
params[j] = part
parts[i] = expr
j++
}
}
if j == 0 {
//now create the Route
uh := &userHandler{}
uh.pattern = pattern
uh.h = c
p.userHandlers[pattern] = uh
} else { // add regexp routers
//recreate the url pattern, with parameters replaced
//by regular expressions. then compile the regex
if j != 0 {
pattern = strings.Join(parts, "/")
regex, regexErr := regexp.Compile(pattern)
if regexErr != nil {
@ -218,73 +210,11 @@ func (p *ControllerRegistor) AddHandler(pattern string, c http.Handler) {
panic(regexErr)
return
}
//now create the Route
uh := &userHandler{}
uh.regex = regex
uh.params = params
uh.pattern = pattern
uh.h = c
p.userHandlers[pattern] = uh
mr.regex = regex
mr.hasregex = true
}
}
// Filter adds the middleware filter.
func (p *ControllerRegistor) Filter(filter http.HandlerFunc) {
p.enableFilter = true
p.filters = append(p.filters, filter)
}
// FilterParam adds the middleware filter if the REST URL parameter exists.
func (p *ControllerRegistor) FilterParam(param string, filter http.HandlerFunc) {
if !strings.HasPrefix(param, ":") {
param = ":" + param
}
p.Filter(func(w http.ResponseWriter, r *http.Request) {
p := r.URL.Query().Get(param)
if len(p) > 0 {
filter(w, r)
}
})
}
// FilterPrefixPath adds the middleware filter if the prefix path exists.
func (p *ControllerRegistor) FilterPrefixPath(path string, filter http.HandlerFunc) {
p.Filter(func(w http.ResponseWriter, r *http.Request) {
if strings.HasPrefix(r.URL.Path, path) {
filter(w, r)
}
})
}
// Filter adds the middleware after filter.
func (p *ControllerRegistor) FilterAfter(filter http.HandlerFunc) {
p.enableAfter = true
p.afterFilters = append(p.afterFilters, filter)
}
// FilterParam adds the middleware filter if the REST URL parameter exists.
func (p *ControllerRegistor) FilterParamAfter(param string, filter http.HandlerFunc) {
if !strings.HasPrefix(param, ":") {
param = ":" + param
}
p.FilterAfter(func(w http.ResponseWriter, r *http.Request) {
p := r.URL.Query().Get(param)
if len(p) > 0 {
filter(w, r)
}
})
}
// FilterPrefixPath adds the middleware filter if the prefix path exists.
func (p *ControllerRegistor) FilterPrefixPathAfter(path string, filter http.HandlerFunc) {
p.FilterAfter(func(w http.ResponseWriter, r *http.Request) {
if strings.HasPrefix(r.URL.Path, path) {
filter(w, r)
}
})
mr.pattern = pattern
p.filters[action] = append(p.filters[action], mr)
}
// AutoRoute
@ -320,13 +250,30 @@ func (p *ControllerRegistor) ServeHTTP(rw http.ResponseWriter, r *http.Request)
}()
w := &responseWriter{writer: rw}
w.Header().Set("Server", "beegoServer")
context := &beecontext.Context{
ResponseWriter: w,
Request: r,
Input: beecontext.NewInput(r),
Output: beecontext.NewOutput(w),
}
context.Output.Context = context
var runrouter *controllerInfo
var findrouter bool
params := make(map[string]string)
context.Input.Param = params
if p.enableFilter {
if l, ok := p.filters["BeforRouter"]; ok {
for _, filterR := range l {
if filterR.ValidRouter(r.URL.Path) {
filterR.filterFunc(context)
}
}
}
}
//static file server
for prefix, staticDir := range StaticDir {
if r.URL.Path == "/favicon.ico" {
@ -359,62 +306,23 @@ func (p *ControllerRegistor) ServeHTTP(rw http.ResponseWriter, r *http.Request)
}
}
if p.enableFilter {
if l, ok := p.filters["AfterStatic"]; ok {
for _, filterR := range l {
if filterR.ValidRouter(r.URL.Path) {
filterR.filterFunc(context)
}
}
}
}
requestPath := r.URL.Path
var requestbody []byte
if CopyRequestBody {
requestbody, _ = ioutil.ReadAll(r.Body)
r.Body.Close()
bf := bytes.NewBuffer(requestbody)
r.Body = ioutil.NopCloser(bf)
context.Input.Body()
}
r.ParseMultipartForm(MaxMemory)
//user defined Handler
if p.enableUser {
for pattern, c := range p.userHandlers {
if c.regex == nil && pattern == requestPath {
c.h.ServeHTTP(rw, r)
return
} else if c.regex == nil {
continue
}
//check if Route pattern matches url
if !c.regex.MatchString(requestPath) {
continue
}
//get submatches (params)
matches := c.regex.FindStringSubmatch(requestPath)
//double check that the Route matches the URL pattern.
if len(matches[0]) != len(requestPath) {
continue
}
if len(c.params) > 0 {
//add url parameters to the query param map
values := r.URL.Query()
for i, match := range matches[1:] {
values.Add(c.params[i], match)
r.Form.Add(c.params[i], match)
params[c.params[i]] = match
}
//reassemble query params and add to RawQuery
r.URL.RawQuery = url.Values(values).Encode() + "&" + r.URL.RawQuery
//r.URL.RawQuery = url.Values(values).Encode()
}
c.h.ServeHTTP(rw, r)
return
}
}
//first find path from the fixrouters to Improve Performance
for _, route := range p.fixrouters {
n := len(requestPath)
@ -471,23 +379,21 @@ func (p *ControllerRegistor) ServeHTTP(rw http.ResponseWriter, r *http.Request)
if runrouter != nil {
//execute middleware filters
if p.enableFilter {
for _, filter := range p.filters {
filter(w, r)
if w.started {
return
if l, ok := p.filters["BeforExec"]; ok {
for _, filterR := range l {
if filterR.ValidRouter(r.URL.Path) {
filterR.filterFunc(context)
}
}
}
}
//Invoke the request handler
vc := reflect.New(runrouter.controllerType)
//call the controller init function
init := vc.MethodByName("Init")
in := make([]reflect.Value, 2)
ct := &Context{ResponseWriter: w, Request: r, Params: params, RequestBody: requestbody}
in[0] = reflect.ValueOf(ct)
in[0] = reflect.ValueOf(context)
in[1] = reflect.ValueOf(runrouter.controllerType.Name())
init.Call(in)
//call prepare function
@ -617,14 +523,16 @@ func (p *ControllerRegistor) ServeHTTP(rw http.ResponseWriter, r *http.Request)
}
}
}
method = vc.MethodByName("Finish")
method.Call(in)
//execute middleware filters
if p.enableAfter {
for _, filter := range p.afterFilters {
filter(w, r)
if w.started {
return
if p.enableFilter {
if l, ok := p.filters["AfterExec"]; ok {
for _, filterR := range l {
if filterR.ValidRouter(r.URL.Path) {
filterR.filterFunc(context)
}
}
}
}
@ -651,10 +559,11 @@ func (p *ControllerRegistor) ServeHTTP(rw http.ResponseWriter, r *http.Request)
if strings.HasPrefix(strings.ToLower(requestPath), "/"+cName+"/"+strings.ToLower(mName)) {
//execute middleware filters
if p.enableFilter {
for _, filter := range p.filters {
filter(w, r)
if w.started {
return
if l, ok := p.filters["BeforExec"]; ok {
for _, filterR := range l {
if filterR.ValidRouter(r.URL.Path) {
filterR.filterFunc(context)
}
}
}
}
@ -672,9 +581,7 @@ func (p *ControllerRegistor) ServeHTTP(rw http.ResponseWriter, r *http.Request)
//call the controller init function
init := vc.MethodByName("Init")
in := make([]reflect.Value, 2)
ct := &Context{ResponseWriter: w, Request: r, Params: params, RequestBody: requestbody}
in[0] = reflect.ValueOf(ct)
in[0] = reflect.ValueOf(context)
in[1] = reflect.ValueOf(controllerType.Name())
init.Call(in)
//call prepare function
@ -702,11 +609,12 @@ func (p *ControllerRegistor) ServeHTTP(rw http.ResponseWriter, r *http.Request)
method = vc.MethodByName("Finish")
method.Call(in)
//execute middleware filters
if p.enableAfter {
for _, filter := range p.afterFilters {
filter(w, r)
if w.started {
return
if p.enableFilter {
if l, ok := p.filters["AfterExec"]; ok {
for _, filterR := range l {
if filterR.ValidRouter(r.URL.Path) {
filterR.filterFunc(context)
}
}
}
}
@ -714,6 +622,7 @@ func (p *ControllerRegistor) ServeHTTP(rw http.ResponseWriter, r *http.Request)
method.Call(in)
// set find
findrouter = true
goto Last
}
}
}
@ -721,6 +630,7 @@ func (p *ControllerRegistor) ServeHTTP(rw http.ResponseWriter, r *http.Request)
}
}
Last:
//if no matches to url, throw a not found exception
if !findrouter {
if h, ok := ErrorMaps["404"]; ok {