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extern crate binjs;
extern crate clap;
extern crate env_logger;
use binjs::io::{TokenReader, TokenWriter};
use binjs::generic::Node;
use std::io::*;
use std::thread;
use clap::*;
struct DummyNode {}
impl DummyNode {
fn new() -> Self {
Self {}
}
}
impl Node for DummyNode {
fn name(&self) -> &'static str {
"dummy"
}
}
fn convert<R: Read, W: TokenWriter>(
reader: &mut binjs::io::binjs_json::read::Decoder<R>,
writer: &mut W,
) {
loop {
match reader.next_type() {
binjs::io::binjs_json::read::NextType::String => {
let path = reader.get_path();
let val = reader.string_at(&path).expect("Error");
match val {
Some(s) => {
writer.string_at(Some(&s), &path).expect("Error");
}
None => {
writer.string_at(None, &path).expect("Error");
}
}
}
binjs::io::binjs_json::read::NextType::Enum => {
let path = reader.get_path();
let val = reader.string_enum_at(&path).expect("Error");
writer.string_enum_at(&val, &path).expect("Error");
}
binjs::io::binjs_json::read::NextType::IdentifierName => {
let path = reader.get_path();
let val = reader.identifier_name_at(&path).expect("Error");
match val {
Some(s) => {
writer.identifier_name_at(Some(&s), &path).expect("Error");
}
None => {
writer.identifier_name_at(None, &path).expect("Error");
}
}
}
binjs::io::binjs_json::read::NextType::PropertyKey => {
let path = reader.get_path();
let val = reader.property_key_at(&path).expect("Error");
match val {
Some(s) => {
writer.property_key_at(Some(&s), &path).expect("Error");
}
None => {
writer.property_key_at(None, &path).expect("Error");
}
}
}
binjs::io::binjs_json::read::NextType::Float => {
let path = reader.get_path();
let val = reader.float_at(&path).expect("Error");
writer.float_at(val, &path).expect("Error");
}
binjs::io::binjs_json::read::NextType::UnsignedLong => {
let path = reader.get_path();
let val = reader.unsigned_long_at(&path).expect("Error");
writer.unsigned_long_at(val, &path).expect("Error");
}
binjs::io::binjs_json::read::NextType::Bool => {
let path = reader.get_path();
let val = reader.bool_at(&path).expect("Error");
writer.bool_at(val, &path).expect("Error");
}
binjs::io::binjs_json::read::NextType::List => {
let path = reader.get_path();
let len = reader.enter_list_at(&path).expect("Error");
writer.enter_list_at(len as usize, &path).expect("Error");
}
binjs::io::binjs_json::read::NextType::EndOfList => {
let path = reader.get_path();
reader.exit_list_at(&path).expect("Error");
writer.exit_list_at(&path).expect("Error");
}
binjs::io::binjs_json::read::NextType::TaggedTuple => {
let path = reader.get_path();
let (name, maybe_field_names) = reader.enter_tagged_tuple_at(&path).expect("Error");
let field_names = maybe_field_names.expect("Field names should be populated");
let mut children = Vec::new();
for name in field_names.iter() {
children.push(name);
}
let node = DummyNode::new();
writer
.enter_tagged_tuple_at(&node, &name, children.as_slice(), &path)
.expect("Error");
}
binjs::io::binjs_json::read::NextType::EndOfTaggedTuple => {
let (name, field_names) = reader.current_tagged_tuple_info();
let path = reader.get_path();
reader.exit_tagged_tuple_at(&path).expect("Error");
let mut children = Vec::new();
for name in field_names.iter() {
children.push(name);
}
let node = DummyNode::new();
writer
.exit_tagged_tuple_at(&node, &name, children.as_slice(), &path)
.expect("Error");
}
binjs::io::binjs_json::read::NextType::End => {
break;
}
}
}
}
fn main() {
thread::Builder::new()
.name("large stack dedicated thread".to_string())
.stack_size(20 * 1024 * 1024)
.spawn(|| {
main_aux();
})
.expect("Could not launch dedicated thread")
.join()
.expect("Error in dedicated thread");
}
fn main_aux() {
env_logger::init();
let matches = App::new("Converter from BinAST JSON format to other BinAST format")
.author("arai <arai@mozilla.com>")
.about("Convert a BinAST JSON file to other BinAST format file. To obtain a BinAST JSON file, you may use binjs_encode with command `advanced json`")
.args(&[
Arg::with_name("quiet")
.long("quiet")
.short("q")
.help("Do not print progress"),
])
.subcommand(binjs::io::Format::subcommand())
.get_matches();
let spec = binjs::generic::es6::Library::spec();
let mut format =
binjs::io::Format::from_matches(&spec, &matches).expect("Could not parse encoding format");
let mut reader = binjs::io::binjs_json::read::Decoder::new(stdin()).expect("Failed to parse");
match format {
binjs_io::Format::Simple { .. } => {
let w = binjs::io::simple::TreeTokenWriter::new();
let mut writer = binjs::io::TokenWriterTreeAdapter::new(w);
convert(&mut reader, &mut writer);
let data = writer.done().expect("Error");
stdout()
.write((*data).as_ref())
.expect("Could not write to stdout");
}
binjs::io::Format::Multipart {
ref mut targets, ..
} => {
let w = binjs::io::multipart::TreeTokenWriter::new(targets.clone());
let mut writer = binjs::io::TokenWriterTreeAdapter::new(w);
convert(&mut reader, &mut writer);
let data = writer.done().expect("Error");
stdout()
.write((*data).as_ref())
.expect("Could not write to stdout");
}
binjs_io::Format::Entropy { ref options } => {
let mut writer = binjs_io::entropy::write::Encoder::new(None, (*options).clone());
convert(&mut reader, &mut writer);
let data = writer.done().expect("Error");
stdout()
.write((*data).as_ref())
.expect("Could not write to stdout");
}
_ => {
panic!("unsupported format");
}
}
}