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extern crate yaml_rust;
use std::env;
use std::fs::File;
use std::io::prelude::*;
use yaml_rust::yaml;
fn print_indent(indent: usize) {
for _ in 0..indent {
print!(" ");
}
}
fn dump_node(doc: &yaml::Yaml, indent: usize) {
match *doc {
yaml::Yaml::Array(ref v) => {
for x in v {
dump_node(x, indent + 1);
}
}
yaml::Yaml::Hash(ref h) => {
for (k, v) in h {
print_indent(indent);
println!("{:?}:", k);
dump_node(v, indent + 1);
}
}
_ => {
print_indent(indent);
println!("{:?}", doc);
}
}
}
fn main() {
let args: Vec<_> = env::args().collect();
let mut f = File::open(&args[1]).unwrap();
let mut s = String::new();
f.read_to_string(&mut s).unwrap();
let docs = yaml::YamlLoader::load_from_str(&s).unwrap();
for doc in &docs {
println!("---");
dump_node(doc, 0);
}
}