C++ UML Diagram Generator FAQs

Question 1

What is the C++ UML Diagram Generator?

Accepted Answer

It's a powerful tool that recursively analyzes C++ source and header files (.cpp, .h, .hpp, etc.) to extract class definitions, inheritance relationships, and member information, then generates comprehensive UML class diagrams in PlantUML format.

Question 2

What specific C++ features can it extract for UML diagrams?

Accepted Answer

It automatically detects class/struct definitions, maps single and multiple inheritance relationships (public, protected, private), and handles member visibility for public, private, and protected methods/variables, including virtual functions.

Question 3

How can I use this generator to create UML diagrams?

Accepted Answer

You can use it as a standalone Python script to process directories, a Python module for programmatic generation from paths or direct content, or as an MCP server (HTTP/stdio) for integrating into larger systems or web applications.

Question 4

What is the output format, and how can I view the generated diagrams?

Accepted Answer

The tool generates clean, valid PlantUML code. You can view these diagrams using a VS Code PlantUML extension, the PlantUML Online Server, or by installing PlantUML locally with a Java runtime.

Question 5

Does it support large C++ projects or different file types?

Accepted Answer

Yes, it supports multi-format C++ files (.cpp, .hpp, .h, .cc, .cxx) and can recursively scan entire project directories. It also offers content-based processing for individual code snippets.

C++ UML Diagram Generator

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