pub const HELP_COMMAND_LONG: &str = "--help";
pub const HELP_COMMAND_SHORT: &str = "-h";
pub fn print_help() {
println!("jq-lite - Lightweight JSON query tool\n");
println!("Usage:");
println!(" jq-lite <query> <file-path>");
println!(" cat file.json | jq-lite <query>");
println!(" curl https://example.com/data.json | jq-lite <query>");
println!(
" echo '{{\"name\": \"Alice\", \"user\": {{\"email\": \"alice@example.com\"}}}}' | jq-lite <query>"
);
println!();
println!("Options:");
println!(" -h, --help Show this help information");
println!();
println!("Examples:");
println!(" jq-lite \"name\" data.json");
println!(" jq-lite \"user.name\" data.json");
println!(" jq-lite \"name age user.email\" data.json");
println!(" cat data.json | jq-lite \"name\"");
println!();
println!("Notes:");
println!(" - Supports top-level and nested queries using dot notation.");
println!(" - Reads JSON from a file or from stdin when piped.");
println!(" - Does not currently support array indexing or advanced filters.");
}
pub fn print_error(message: &str) {
eprintln!("Error: {}", message);
println!(" Use command -h, --help to show help information");
}