🧩 HTML Serializer

A foundational tool for parsing and querying HTML using C#.
This project implements two main components:

• Html Serializer – parses raw HTML into a structured object tree.
• Html Query – supports CSS-like querying over the object tree.

This infrastructure can later be extended into a full-fledged Crawler, Scraper, or HTML Analyzer.

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✨ Features

• Fetch HTML content from a web URL.
• Parse raw HTML into a structured object tree (HtmlElement).
• Extract tag names, attributes, classes, IDs, and inner HTML.
• Support for self-closing and standard tags.
• Perform queries using CSS-style selectors (tag, id, class, nested selectors).
• Prevent duplicate matches using HashSet.

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📦 Technologies

• C#
• .NET
• HttpClient
• Regex
• System.Text.Json
• Singleton Pattern
• Queue for tree traversal
• HashSet for uniqueness