📌 clsMyString – Custom Stack with REDO & UNDO Feature ⚡

A C++ class for managing strings with built-in undo/redo functionality using stacks. 🚀

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🌟 Project Overview

The clsMyString class provides a powerful string management system with the ability to undo and redo changes. It uses two internal stacks to track modifications, allowing users to revert or reapply changes efficiently—perfect for command-based interfaces, mini text editors, and learning projects.

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🔹 Core Functionalities

• ✏️ Set and Get String Values
• ⏪ Undo Last Change
• ⏩ Redo Last Undone Change

This class makes it easy to maintain a history of string changes while offering a clean interface using property-style accessors in C++.

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✨ Features

🔹 Basic String Operations

• SetValue(string): Updates the string and saves the old value for undo.
• GetValue(): Retrieves the current string value.
• Value property: Provides clean access using __declspec(property).

🔹 Undo/Redo Functionality

• Undo(): Restores the previous string state.
• Redo(): Reapplies the last undone change.

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🚀 How It Works

🔹 Managing String Changes

• When SetValue() is called, the current value is pushed onto the undo stack.
• Undo() pushes the current value to the redo stack and restores the top of the undo stack.
• Redo() pushes the current value to the undo stack and restores the top of the redo stack.

🔹 Memory Management

• Stack-based operations are fast and efficient.
• Only necessary values are stored, avoiding memory bloat.

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📚 Potential Enhancements

• 🏗 History Limit: Add a configurable limit to undo/redo history.
• 🔍 Change Tracking: Store diffs instead of full strings.
• 📂 Persistence: Save and load history from files.
• 🚀 Thread Safety: Add support for multithreaded environments.

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⚙️ Technologies Used

• Language: C++
• Stacks: std::stack for undo/redo history
• Strings: std::string for value storage
• Property Access: __declspec(property) for clean getter/setter usage

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🎯 Learning Outcomes

This project demonstrates:

✅ Stack-based undo/redo implementation
✅ Property-style encapsulation in C++
✅ Efficient and reversible state management
✅ Clean, modular class design

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📜 License

This project is open-source. Feel free to modify and enhance it! 🚀

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🤝 Contributing

Pull requests and improvements are welcome. If you have ideas, feel free to fork the repo and submit a PR!

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🏁 Ready to Explore?

🚀 How to Run

1. Clone or download the repository.
2. Include clsMyString.h in your project.
3. Create a simple main.cpp and compile:

   g++ main.cpp -o run
   ./run