Function parse_interface_file 

pub fn parse_interface_file(
    pkg_name: &str,
    file_path: &Path,
) -> ParseResult<InterfaceSpecification>

Parse any ROS2 interface file based on its extension

Automatically detects the file type based on the extension:

• .msg files are parsed as messages
• .srv files are parsed as services
• .action files are parsed as actions

Arguments

• pkg_name - The package name containing the interface
• file_path - Path to the interface file

Returns

Returns an InterfaceSpecification enum containing the parsed specification

Errors

Returns an error if:

• The file extension is not recognized (must be .msg, .srv, or .action)
• The file cannot be read
• The content cannot be parsed for the detected file type