extern crate exitcode;
use std::path::Path;
use std::process;
use clap::Parser;
use log::{debug, trace, LevelFilter};
use log4rs::append::console::ConsoleAppender;
use log4rs::config::{Appender, Root};
use log4rs::Config;
use crate::args::{Args, Command};
use crate::json_file_reader::JsonFileReader;
use crate::nodes::Nodes;
use crate::nodes_converter::{to_json, to_properties, to_yaml};
use crate::property_file_reader::PropertyFileReader;
mod args;
mod json_file_reader;
mod line;
mod node;
mod nodes;
mod nodes_converter;
mod property_file_reader;
#[cfg(test)]
#[path = "./main_test.rs"]
mod main_test;
fn main() {
let args = Args::parse();
setup_logger(args.log_level);
debug!("{:?}", args);
validate_args(&args);
debug!("\n####################################\nLoad property files\n####################################");
let nodes: Nodes = load_file_to_nodes(&args).unwrap_or_else(|err| {
eprintln!("{}", err.to_string());
process::exit(exitcode::CONFIG);
});
debug!("\n####################################\nStart format conversion\n####################################");
convert_nodes(&args, &nodes).unwrap_or_else(|err| {
eprintln!("{}", err.to_string());
process::exit(exitcode::DATAERR);
});
}
fn validate_args(args: &Args) {
if args.dry_run && args.output_filename.is_some() {
eprintln!("Option -d and -o are mutual exclusive. Consult the man page or use --help");
process::exit(exitcode::CONFIG);
}
}
fn setup_logger(log_level: LevelFilter) {
let stdout = ConsoleAppender::builder().build();
let config = Config::builder()
.appender(Appender::builder().build("stdout", Box::new(stdout)))
.build(Root::builder().appender("stdout").build(log_level))
.unwrap();
let _handle = log4rs::init_config(config).unwrap();
}
fn load_file_to_nodes(args: &Args) -> Result<Nodes, &'static str> {
let filename = &args.command.filename();
let extension: &str = Path::new(filename).extension().unwrap().to_str().unwrap();
match extension.to_lowercase().as_str() {
"properties" => Ok(PropertyFileReader::parse(&args).unwrap()),
"yml" => Err("From yaml conversion not implemented yet"),
"yaml" => Err("From yaml conversion not implemented yet"),
"json" => Ok(JsonFileReader::parse(&args).unwrap()),
&_ => Err("Not supported file type. Properties, Json, Yaml"),
}
}
fn convert_nodes(args: &Args, nodes: &Nodes) -> Result<&'static str, std::io::Error> {
match args.command {
Command::Properties { .. } => {
trace!("Converty yaml to property");
to_properties(&args, &nodes);
}
Command::Json { .. } => {
trace!("Converting property file to yaml");
to_json(&args, &nodes);
}
Command::Yaml { .. } => {
trace!("Converting property file to yaml");
to_yaml(&args, &nodes);
}
}
Ok("Done")
}