diff options
Diffstat (limited to 'third_party/rust/yaml-rust/examples/dump_yaml.rs')
-rw-r--r-- | third_party/rust/yaml-rust/examples/dump_yaml.rs | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/third_party/rust/yaml-rust/examples/dump_yaml.rs b/third_party/rust/yaml-rust/examples/dump_yaml.rs new file mode 100644 index 0000000000..8fce0f3c1a --- /dev/null +++ b/third_party/rust/yaml-rust/examples/dump_yaml.rs @@ -0,0 +1,46 @@ +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); + } +} |