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lu
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lp
mirror of git://github.com/heyLu/lp
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it works!

e.g. you can send some go code over, and you will get a result back. (or
an error.)
Lucas Stadler 11 years ago
parent
433d6b11e3
commit
c63398d641
1 changed files with 62 additions and 0 deletions
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  1. 62 0
      go/linguaevalia.go

+ 62 - 0
go/linguaevalia.go
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@ -6,6 +6,7 @@ package main
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import (
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	"fmt"
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	"html/template"
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	"io/ioutil"
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	"log"
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	"net/http"
 
@ -73,14 +74,75 @@ func runCodeHandler(w http.ResponseWriter, r *http.Request) {
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	w.Write(res)
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}
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func homePageHandler(w http.ResponseWriter, r *http.Request) {
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	homePageTemplate.Execute(w, nil)
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}
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var homePageTemplate = template.Must(template.New("homepage").Parse(homePageTemplateStr))
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func main() {
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	addr, port := "localhost", 8000
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	fmt.Printf("running on %s:%d\n", addr, port)
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	http.HandleFunc("/run", runCodeHandler)
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	http.HandleFunc("/", homePageHandler)
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	err := http.ListenAndServe(fmt.Sprintf("%s:%d", addr, port), nil)
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	if err != nil {
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		log.Fatal(err)
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	}
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}
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const homePageTemplateStr = `
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<!doctype html>
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<html>
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  <head>
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    <title>lingua evalia</title>
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    <meta charset="utf-8" />
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    <style type="text/css">
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    #code {
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      border: none;
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    }
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    </style>
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  </head>
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  <body>
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    <textarea id="code" rows="20" cols="80">package main
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import (
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	"fmt"
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)
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func main() {
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	fmt.Println("Hello, World!")
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}
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</textarea>
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    <pre id="result"></pre>
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    <script>
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      var codeEl = document.getElementById("code");
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      var resultEl = document.getElementById("result");
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      codeEl.onkeydown = function(ev) {
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        if (ev.ctrlKey && ev.keyCode == 13) {
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          resultEl.textContent = "";
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          sendCode(codeEl.value, function(result) {
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            resultEl.textContent = result;
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          });
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        }
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      }
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      function sendCode(code, cb) {
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        var xhr = new XMLHttpRequest();
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        xhr.open("POST", "/run");
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        xhr.onreadystatechange = function(ev) {
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          if (xhr.readyState == XMLHttpRequest.DONE) {
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            cb(xhr.response);
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          }
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        };
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        xhr.send(code);
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      }
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    </script>
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  </body>
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</html>
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`