1.2.1 - Revert CF parser back to my own implementation

Author: jmerle

CHANGELOG.md

@@ -1,3 +1,6 @@
+# 1.2.1 - April 13th, 2018
+- Reverted CodeForces parser back to my own implementation
+
 # 1.2.0 - April 9th, 2018
 - Fixed USACO parser
 - Reverted CodeForces parser back to the CHelper one

package.json

@@ -1,6 +1,6 @@
 {
   "name": "chelper-companion",
-  "version": "1.2.0",
+  "version": "1.2.1",
   "description": "A webextension which parses competitive programming problems and sends them to CHelper.",
   "repository": "https://github.com/jmerle/chelper-companion",
   "author": "Jasper van Merle",

src/parsers/custom/contest/CodeforcesContestParser.ts

@@ -1,6 +1,6 @@
 import { ContestParser } from '../ContestParser';
 import { Parser } from '../../Parser';
-import { CodeforcesProblemParser } from '../../default/problem/CodeforcesProblemParser';
+import { CodeforcesProblemParser } from '../problem/CodeforcesProblemParser';
 
 export class CodeforcesContestParser extends ContestParser {
   problemParser: Parser = new CodeforcesProblemParser();

src/parsers/custom/problem/CodeforcesProblemParser.ts

@@ -0,0 +1,49 @@
+import { Parser } from '../../Parser';
+import { Sendable } from '../../../models/Sendable';
+import { Test } from '../../../models/Test';
+import { CustomTask } from '../../../models/CustomTask';
+import { htmlToElement } from '../../../utils';
+
+export class CodeforcesProblemParser extends Parser {
+  getMatchPatterns(): string[] {
+    return [
+      'http://codeforces.com/contest/*/problem/*',
+      'http://codeforces.com/problemset/problem/*/*',
+      'http://codeforces.com/gym/*/problem/*',
+      'http://codeforces.com/group/*/contest/*/problem/*',
+    ];
+  }
+
+  parse(html: string): Promise<Sendable> {
+    return new Promise(resolve => {
+      const elem = htmlToElement(html);
+
+      let taskName = elem.querySelector('.problem-statement > .header > .title').textContent;
+      taskName = taskName.replace('.', ' -');
+      taskName = 'Problem ' + taskName;
+
+      const contestName = elem.querySelector('.rtable > tbody > tr > th').textContent;
+
+      const memoryLimitStr = elem
+        .querySelector('.problem-statement > .header > .memory-limit')
+        .childNodes[1]
+        .textContent
+        .split(' ')[0];
+      const memoryLimit = parseInt(memoryLimitStr);
+
+      const tests: Test[] = [];
+
+      const inputs = document.querySelectorAll('.input pre');
+      const outputs = document.querySelectorAll('.output pre');
+
+      for (let i = 0; i < inputs.length; i++) {
+        const input = inputs[i].innerHTML;
+        const output = outputs[i].innerHTML;
+
+        tests.push(new Test(input, output));
+      }
+
+      resolve(new CustomTask(taskName, contestName, tests, memoryLimit));
+    });
+  }
+}

src/parsers/default/problem/CodeforcesProblemParser.ts

@@ -22,7 +22,6 @@ import { HackerRankContestParser } from './custom/contest/HackerRankContestParse
 import { AtCoderContestParser } from './custom/contest/AtCoderContestParser';
 import { CSAcademyProblemParser } from './custom/problem/CSAcademyProblemParser';
 import { UsacoTrainingProblemParser } from './custom/problem/UsacoTrainingProblemParser';
-import { CodeforcesProblemParser } from './default/problem/CodeforcesProblemParser';
 import { NewGoogleCodeJamProblemParser } from './default/problem/NewGoogleCodeJamProblemParser';
 import { DevSkillProblemParser } from './custom/problem/DevSkillProblemParser';
 import { DevSkillContestParser } from './custom/contest/DevSkillContestParser';
@@ -34,6 +33,7 @@ import { LightOJProblemParser } from './custom/problem/LightOJProblemParser';
 import { LightOJContestParser } from './custom/contest/LightOJContestParser';
 import { SPOJProblemParser } from './custom/problem/SPOJProblemParser';
 import { PandaOnlineJudgeProblemParser } from './custom/problem/PandaOnlineJudgeProblemParser';
+import { CodeforcesProblemParser } from './custom/problem/CodeforcesProblemParser';
 
 export const parsers: Parser[] = [
   // Default problem parsers
@@ -43,7 +43,6 @@ export const parsers: Parser[] = [
   new KattisProblemParser(),
   new UsacoProblemParser(),
   new YandexProblemParser(),
-  new CodeforcesProblemParser(),
   new NewGoogleCodeJamProblemParser(),
 
   // Default contest parsers
@@ -64,6 +63,7 @@ export const parsers: Parser[] = [
   new LightOJProblemParser(),
   new SPOJProblemParser(),
   new PandaOnlineJudgeProblemParser(),
+  new CodeforcesProblemParser(),
 
   // Custom contest parsers
   new KattisContestParser(),