Module help 

Dynamic help generation for CLI applications

This module provides the HelpFormatter trait and its default implementation DefaultHelpFormatter, which generate help text from a CommandsConfig at runtime.

Design

• The trait is public and dyn-compatible so users can supply custom implementations.
• The default implementation outputs English-only text; custom implementations choose their own language.
• The formatter is instantiated lazily — only when --help is detected — and outputs to the terminal only.

Extension point

Users of the framework can supply their own formatter via CliBuilder::help_formatter():

use dynamic_cli::help::HelpFormatter;
use dynamic_cli::config::schema::CommandsConfig;

struct MyFormatter;

impl HelpFormatter for MyFormatter {
    fn format_app(&self, config: &CommandsConfig) -> String {
        format!("Custom help for {}", config.metadata.prompt)
    }

    fn format_command(&self, config: &CommandsConfig, command: &str) -> String {
        format!("Custom help for command '{command}' in {}", config.metadata.prompt)
    }
}

Structs

DefaultHelpFormatter

Default help formatter — colored, aligned, English-only output.

Traits

HelpFormatter

Generates help text from a runtime configuration.