Start working in parsing problems.

src/extension.ts

@@ -9,6 +9,7 @@ import { newContestFromId, testSolution, veredictName, stressSolution, upgradeAr
 import { Veredict } from './types';
 
 /**
+ * TODO: When Compilation Error throw a better error.
  * TODO: Add How to Use (in the README.) adding own template etc...
  * TODO: Allow custom checker easily
  * TODO: Add several checkers and try to infer which is the correct! [*]
@@ -18,11 +19,12 @@ import { Veredict } from './types';
  * TODO: Implement parser for codeforces to test on real cases
  * TODO: Learn how to move static files from `src` to `out`.
  * TODO: Allow programming in other languages than c++
- * TODO: Run testcases in sorted order
- * TODO: How to use behind proxy
+ * TODO: IMPORTANT: Run testcases in sorted order
+ * TODO: If a solution is run whith an open test, run that test first.
+ * TODO: How to use behind proxy?
+ * TODO: EASY: Change extension from `cur` to `real`
  *
  * TODO: When Runtime Error happens show as much output as possible and display the error in the console
- * TODO: If a solution is run whith an open test, run that test first.
  * TODO: Figure out something for interactive problems.
  *
  * [*] Machine Learning?

src/parsers/codeforces.ts

@@ -1,7 +1,7 @@
 import { SiteDescription, Contest, Problem } from "../types";
 
 // TODO: Use sync requests
-const request = require('sync-request');
+const request = require('request');
 
 /**
  * contestId: ${contest}
@@ -11,14 +11,30 @@ const request = require('sync-request');
  * http://codeforces.com/contest/1081/
  */
 function parseContest(contestId: string | number) {
-    let problemsId: string[] = [];
-
     let problems: Problem[] = [];
 
-    problemsId.forEach(problemId => {
+    let res = request('GET', `http://codeforces.com/contest/${contestId}`);
+    let body = res.getBody('utf8');
+
+    console.log(body);
+
+    let pos = body!.indexOf('<option value="generalAnnouncement" data-problem-name="" >', 0) + 1;
+
+    while (true){
+        let option_begin = body!.indexOf('option value="', pos) + 14;
+        let option_end = body!.indexOf('" data-problem-name', option_begin);
+
+        if (option_begin === -1 || option_end === -1){
+            break;
+        }
+
+        pos = option_end;
+
+        let problemId = body!.substring(option_begin, option_end);
+
         let prob = parseProblem(`${contestId}-${problemId}`);
         problems.push(prob);
-    });
+    }
 
     return new Contest(problems);
 }
@@ -36,8 +52,8 @@ function parseProblem(problemId: string) {
     let problem = data[1];
 
     var res = request('GET', `http://codeforces.com/contest/${contest}/problem/${problem}`);
-
     let html: string = res.getBody('utf8');
+
     let pos = 0;
 
     let inputs = [];

src/test/extension.test.ts

@@ -8,7 +8,8 @@ import * as assert from 'assert';
 import { dirname, join } from 'path';
 import { timedRun, testcasesName, testSolution, newArena, ATTIC, TESTCASES, upgradeArena, stressSolution, newProblemFromId, newContestFromId } from '../core';
 import { TestcaseResult, Veredict } from '../types';
-import { rmdirSync, existsSync, readdirSync, unlinkSync, openSync, writeSync, closeSync, readSync } from 'fs';
+import { rmdirSync, existsSync, readdirSync, unlinkSync, openSync, writeSync, closeSync, readSync, fstat } from 'fs';
+// import { request } from 'http';
 
 const SRC = join(dirname(dirname(dirname(__filename))), 'src', 'test');
 const ARENA = join(SRC, 'arena');
@@ -291,19 +292,6 @@ suite("Extension Tests", function () {
         recRmdir(path);
     });
 
-    // test("downloading", function(){
-    //     let request = require('sync-request');
-
-    //     console.log("Start downloading...");
-    //     var res = request('GET', 'http://codeforces.com/contest/1081/problem/E');
-    //     console.log("Downloaded...");
-    //     let html: string = res.getBody('utf8');
-
-    //     let fd = openSync("/home/marx/xxx.html", "w");
-    //     writeSync(fd, html);
-    //     closeSync(fd);
-    // });
-
     function readFile(path: string){
         let fd = openSync(path, "r");
         let buffer = new Buffer(1 << 20);
@@ -312,6 +300,21 @@ suite("Extension Tests", function () {
         return answer;
     }
 
+    test("downloading", async function(){
+        let request = require('request');
+        // TODO: How to unittest an async call
+        // let statusCode = undefined;
+
+        await request('http://codeforces.com/contest/1081/problem/E', function(error: any, response: any, body: any){
+        // let x = request('http://localhost:8000/libros', function(error: any, response: any, body: any) {
+            // console.log(">>>" + response.statusCode);
+            // statusCode = response.statusCode;
+            writeFile(join(SRC, "codeforces.html"), body);
+        });
+
+        // assert.equal(statusCode, 200);
+    });
+
     test("parsing", function(){
         let html: string = readFile(join(__dirname, "codeforces.html"));
         let pos = 0;
@@ -344,4 +347,14 @@ suite("Extension Tests", function () {
             }
         }
     });
+
+    test("parsingLocalhost", function(){
+        let request = require('request');
+
+        request('http://localhost:8000/libros', function (error: any, response: any, body: any) {
+            // console.log('error:', error);
+            // console.log('statusCode:', response && response.statusCode);
+            // console.log('body:', body);
+        });
+    });
 });