Apply markdown engine to result provider

LeetCode-OpenSource · jdneo · Mar 27, 2019 · Mar 23, 2019 · Mar 23, 2019 · Mar 23, 2019
commit 0e97e36c43c6b262f1a385757abecc9c38091ee8
diff --git a/src/webview/leetCodeResultProvider.ts b/src/webview/leetCodeResultProvider.ts
@@ -2,29 +2,36 @@
 // Licensed under the MIT license.
 
 import { Disposable, ExtensionContext, ViewColumn, WebviewPanel, window } from "vscode";
+import { leetCodeChannel } from "../leetCodeChannel";
+import { MarkdownEngine } from "./MarkdownEngine";
 
 class LeetCodeResultProvider implements Disposable {
 
     private context: ExtensionContext;
     private panel: WebviewPanel | undefined;
+    private mdEngine: MarkdownEngine;
 
     public initialize(context: ExtensionContext): void {
+        this.mdEngine = new MarkdownEngine();
         this.context = context;
     }
 
-    public async show(result: string): Promise<void> {
+    public async show(resultString: string): Promise<void> {
         if (!this.panel) {
             this.panel = window.createWebviewPanel("leetcode.result", "LeetCode Results", ViewColumn.Two, {
                 retainContextWhenHidden: true,
                 enableFindWidget: true,
+                localResourceRoots: this.mdEngine.localResourceRoots,
             });
 
             this.panel.onDidDispose(() => {
                 this.panel = undefined;
             }, null, this.context.subscriptions);
         }
 
-        this.panel.webview.html = await this.provideHtmlContent(result);
+        const result: Result = this.parseResult(resultString);
+        this.panel.title = `${""}: Result`;
+        this.panel.webview.html = this.getWebViewContent(result);
         this.panel.reveal(ViewColumn.Two);
     }
 
@@ -34,19 +41,98 @@ class LeetCodeResultProvider implements Disposable {
         }
     }
 
-    private async provideHtmlContent(result: string): Promise<string> {
-        return `<!DOCTYPE html>
-            <html lang="en">
+    private parseResult(raw: string): Result {
+        try {
+            switch (raw[2]) {
+                case "√": {
+                    const result: AcceptResult = new AcceptResult();
+                    [result.status, raw] = raw.split(/  . (.+)([^]+)/).slice(1);
+                    [result.passed, raw] = raw.split(/\n  . (.+)([^]+)/).slice(1);
+                    [result.runtime, raw] = raw.split(/\n  . (.+)([^]+)/).slice(1);
+                    [result.memory, raw] = raw.split(/\n  . (.+)/).slice(1);
+                    return result;
+                }
+                case "×": {
+                    const result: FailedResult = new FailedResult();
+                    [result.status, raw] = raw.split(/  . (.+)([^]+)/).slice(1);
+                    [result.passed, raw] = raw.split(/\n  . (.+)([^]+)/).slice(1);
+                    [result.testcase, raw] = raw.split(/\n  . testcase: '(.+)'([^]+)/).slice(1);
+                    [result.answer, raw] = raw.split(/\n  . answer: (.+)([^]+)/).slice(1);
+                    [result.expected, raw] = raw.split(/\n  . expected_answer: (.+)([^]+)/).slice(1);
+                    [result.stdout, raw] = raw.split(/\n  . stdout: ([^]+?)\n$/).slice(1);
+                    result.testcase = result.testcase.replace("\\n", "\n");
+                    return result;
+                }
+                default: {
+                    throw new TypeError(raw);
+                }
+            }
+        } catch (error) {
+            leetCodeChannel.appendLine(`Result parsing failed: ${error.message}`);
+            throw error;
+        }
+    }
+
+    private getWebViewContent(result: Result): string {
+        const styles: string = this.mdEngine.getStylesHTML();
+        let body: string;
+        if (result instanceof AcceptResult) {
+            const accpet: AcceptResult = result as AcceptResult;
+            body = this.mdEngine.render([
+                `## ${result.status}`,
+                ``,
+                `* ${result.passed}`,
+                `* ${accpet.runtime}`,
+                `* ${accpet.memory}`,
+            ].join("\n"));
+        } else {
+            const failed: FailedResult = result as FailedResult;
+            body = this.mdEngine.render([
+                `## ${result.status}`,
+                `* ${result.passed}`,
+                ``,
+                `### Testcase`, // TODO: add command to copy raw testcase
+                `\`\`\`\n${failed.testcase}\n\`\`\``,
+                `### Answer`,
+                `\`\`\`\n${failed.answer}\n\`\`\``,
+                `### Expected`,
+                `\`\`\`\n${failed.expected}\n\`\`\``,
+                `### Stdout`,
+                `\`\`\`\n${failed.stdout}\n\`\`\``,
+            ].join("\n"));
+        }
+        return `
+            <!DOCTYPE html>
+            <html>
             <head>
-                <meta charset="UTF-8">
-                <meta name="viewport" content="width=device-width, initial-scale=1.0">
-                <title>LeetCode Results</title>
+                ${styles}
             </head>
-            <body>
-                <pre>${result.trim()}</pre>
+            <body class="vscode-body 'scrollBeyondLastLine' 'wordWrap' 'showEditorSelection'" style="tab-size:4">
+                ${body}
             </body>
-            </html>`;
+            </html>
+        `;
     }
 }
 
+// tslint:disable-next-line:max-classes-per-file
+abstract class Result {
+    public status: string;
+    public passed: string;
+}
+
+// tslint:disable-next-line:max-classes-per-file
+class AcceptResult extends Result {
+    public runtime: string;
+    public memory: string;
+}
+
+// tslint:disable-next-line:max-classes-per-file
+class FailedResult extends Result {
+    public testcase: string;
+    public answer: string;
+    public expected: string;
+    public stdout: string;
+}
+
 export const leetCodeResultProvider: LeetCodeResultProvider = new LeetCodeResultProvider();