mirror of
https://github.com/astaxie/beego.git
synced 2024-12-22 15:50:49 +00:00
astaxie
parent
2573696860
commit
3ad639e739
5
beego.go
5
beego.go
@ -207,6 +207,11 @@ func Router(path string, c ControllerInterface) *App {
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return BeeApp
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}
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func RouterHandler(path string, c http.Handler) *App {
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BeeApp.Handlers.AddHandler(path, c)
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return BeeApp
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}
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func Filter(filter http.HandlerFunc) *App {
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BeeApp.Filter(filter)
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return BeeApp
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42
example/chat/chat.go
Normal file
42
example/chat/chat.go
Normal file
@ -0,0 +1,42 @@
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package main
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import (
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"fmt"
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"github.com/astaxie/beego"
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"github.com/fzzy/sockjs-go/sockjs"
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"strings"
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)
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var users *sockjs.SessionPool = sockjs.NewSessionPool()
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func chatHandler(s sockjs.Session) {
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users.Add(s)
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defer users.Remove(s)
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for {
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m := s.Receive()
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if m == nil {
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break
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}
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fullAddr := s.Info().RemoteAddr
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addr := fullAddr[:strings.LastIndex(fullAddr, ":")]
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m = []byte(fmt.Sprintf("%s: %s", addr, m))
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users.Broadcast(m)
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}
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}
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type MainController struct {
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beego.Controller
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}
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func (m *MainController) Get() {
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m.TplNames = "index.html"
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}
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func main() {
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conf := sockjs.NewConfig()
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sockjshandler := sockjs.NewHandler("/chat", chatHandler, conf)
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beego.Router("/", &MainController{})
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beego.RouterHandler("/chat/:info(.*)", sockjshandler)
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beego.Run()
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}
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81
example/chat/views/index.html
Normal file
81
example/chat/views/index.html
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@ -0,0 +1,81 @@
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<!DOCTYPE html>
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<html>
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<head>
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<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js"></script>
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<script src="http://cdn.sockjs.org/sockjs-0.3.4.min.js"></script>
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<script>
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$(function() {
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var conn = null;
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function log(msg) {
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var control = $('#log');
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control.html(control.html() + msg + '<br/>');
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control.scrollTop(control.scrollTop() + 1000);
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}
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function disconnect() {
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if (conn != null) {
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log('Disconnecting...');
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conn.close();
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conn = null;
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updateUi();
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}
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}
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function updateUi() {
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if (conn == null || conn.readyState != SockJS.OPEN) {
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$('#status').text('disconnected');
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$('#connect').text('Connect');
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} else {
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$('#status').text('connected (' + conn.protocol + ')');
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$('#connect').text('Disconnect');
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}
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}
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$('form').submit(function() {
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var text = $('#message').val();
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conn.send(text);
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$('#message').val('').focus();
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return false;
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});
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conn = new SockJS('http://' + window.location.host + '/chat');
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log('Connecting...');
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conn.onopen = function() {
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log('Connected.');
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updateUi();
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};
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conn.onmessage = function(e) {
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log(e.data);
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};
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conn.onclose = function() {
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log('Disconnected.');
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conn = null;
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updateUi();
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};
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$('#message').val('').focus();
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});
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</script>
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<title>Sockjs-go chat</title>
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</head>
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<body>
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<h1>Sockjs-go chat</h1>
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<div>
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Status: <span id="status">disconnected</span>
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</div>
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<div id="log" style="width: 60em; height: 20em; overflow:auto; border: 1px solid black">
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</div>
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<form id="chatform">
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<label for="message">Message:</label>
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<input id="message" type="text" />
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<input type="submit" value="Send" />
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</form>
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</body>
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</html>
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99
router.go
99
router.go
@ -16,14 +16,22 @@ type controllerInfo struct {
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controllerType reflect.Type
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}
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type userHandler struct {
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pattern string
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regex *regexp.Regexp
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params map[int]string
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h http.Handler
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}
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type ControllerRegistor struct {
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routers []*controllerInfo
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fixrouters []*controllerInfo
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filters []http.HandlerFunc
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routers []*controllerInfo
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fixrouters []*controllerInfo
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filters []http.HandlerFunc
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userHandlers map[string]*userHandler
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}
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func NewControllerRegistor() *ControllerRegistor {
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return &ControllerRegistor{routers: make([]*controllerInfo, 0)}
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return &ControllerRegistor{routers: make([]*controllerInfo, 0), userHandlers: make(map[string]*userHandler)}
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}
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func (p *ControllerRegistor) Add(pattern string, c ControllerInterface) {
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@ -77,6 +85,52 @@ func (p *ControllerRegistor) Add(pattern string, c ControllerInterface) {
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}
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func (p *ControllerRegistor) AddHandler(pattern string, c http.Handler) {
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parts := strings.Split(pattern, "/")
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j := 0
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params := make(map[int]string)
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for i, part := range parts {
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if strings.HasPrefix(part, ":") {
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expr := "([^/]+)"
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//a user may choose to override the defult expression
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// similar to expressjs: ‘/user/:id([0-9]+)’
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if index := strings.Index(part, "("); index != -1 {
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expr = part[index:]
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part = part[:index]
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}
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params[j] = part
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parts[i] = expr
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j++
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}
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}
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if j == 0 {
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//now create the Route
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uh := &userHandler{}
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uh.pattern = pattern
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uh.h = c
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p.userHandlers[pattern] = uh
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} else { // add regexp routers
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//recreate the url pattern, with parameters replaced
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//by regular expressions. then compile the regex
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pattern = strings.Join(parts, "/")
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regex, regexErr := regexp.Compile(pattern)
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if regexErr != nil {
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//TODO add error handling here to avoid panic
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panic(regexErr)
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return
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}
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//now create the Route
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uh := &userHandler{}
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uh.regex = regex
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uh.params = params
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uh.pattern = pattern
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uh.h = c
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p.userHandlers[pattern] = uh
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}
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}
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// Filter adds the middleware filter.
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func (p *ControllerRegistor) Filter(filter http.HandlerFunc) {
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p.filters = append(p.filters, filter)
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@ -143,6 +197,43 @@ func (p *ControllerRegistor) ServeHTTP(rw http.ResponseWriter, r *http.Request)
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requestPath := r.URL.Path
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//user defined Handler
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for pattern, c := range p.userHandlers {
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if c.regex == nil && pattern == requestPath {
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c.h.ServeHTTP(rw, r)
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return
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} else if c.regex == nil {
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continue
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}
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//check if Route pattern matches url
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if !c.regex.MatchString(requestPath) {
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continue
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}
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//get submatches (params)
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matches := c.regex.FindStringSubmatch(requestPath)
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//double check that the Route matches the URL pattern.
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if len(matches[0]) != len(requestPath) {
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continue
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}
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if len(c.params) > 0 {
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//add url parameters to the query param map
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values := r.URL.Query()
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for i, match := range matches[1:] {
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values.Add(c.params[i], match)
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params[c.params[i]] = match
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}
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//reassemble query params and add to RawQuery
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r.URL.RawQuery = url.Values(values).Encode() + "&" + r.URL.RawQuery
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//r.URL.RawQuery = url.Values(values).Encode()
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}
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c.h.ServeHTTP(rw, r)
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return
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}
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//first find path from the fixrouters to Improve Performance
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for _, route := range p.fixrouters {
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n := len(requestPath)
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