Add yaml support

Fix #1

Cargo.toml

@@ -15,12 +15,14 @@ serde-transcode = "1.0"
 serde_cbor = { version = "0.11", optional = true }
 serde_json = { version = "1.0", optional = true }
 serde_toml = { version = "0.5", optional = true, package = 'toml' }
+serde_yaml = { version = "0.8", optional = true }
 
 [features]
-default = ["cbor", "json", "toml"]
+default = ["cbor", "json", "toml", "yaml"]
 cbor = ["serde_cbor"]
 json = ["serde_json"]
 toml = ["serde_toml"]
+yaml = ["serde_yaml"]
 
 [[bin]]
 name = "cbor2json"
@@ -30,6 +32,10 @@ required-features = ["cbor", "json"]
 name = "cbor2toml"
 required-features = ["cbor", "toml"]
 
+[[bin]]
+name = "cbor2yaml"
+required-features = ["cbor", "yaml"]
+
 [[bin]]
 name = "json2cbor"
 required-features = ["json", "cbor"]
@@ -38,10 +44,30 @@ required-features = ["json", "cbor"]
 name = "json2toml"
 required-features = ["json", "toml"]
 
+[[bin]]
+name = "json2yaml"
+required-features = ["json", "yaml"]
+
 [[bin]]
 name = "toml2cbor"
 required-features = ["toml", "cbor"]
 
 [[bin]]
 name = "toml2json"
 required-features = ["toml", "json"]
+
+[[bin]]
+name = "toml2yaml"
+required-features = ["toml", "yaml"]
+
+[[bin]]
+name = "yaml2cbor"
+required-features = ["yaml", "cbor"]
+
+[[bin]]
+name = "yaml2json"
+required-features = ["yaml", "json"]
+
+[[bin]]
+name = "yaml2toml"
+required-features = ["yaml", "toml"]

README.md

@@ -24,6 +24,7 @@ $ cargo install babelfish --features="cbor json"  # cbor2json, json2cbor
 - cbor
 - json
 - toml
+- yaml
 
 ## Usage
 

src/bin/cbor2yaml.rs

@@ -0,0 +1,12 @@
+use std::io::{self, BufReader, BufWriter};
+
+fn main() -> Result<(), Box<dyn std::error::Error>> {
+    let reader = BufReader::new(io::stdin());
+    let writer = BufWriter::new(io::stdout());
+
+    let mut deserializer = serde_cbor::Deserializer::from_reader(reader);
+    let mut serializer = serde_yaml::Serializer::new(writer);
+
+    serde_transcode::transcode(&mut deserializer, &mut serializer)?;
+    Ok(())
+}

src/bin/json2yaml.rs

@@ -0,0 +1,12 @@
+use std::io::{self, BufReader, BufWriter};
+
+fn main() -> Result<(), Box<dyn std::error::Error>> {
+    let reader = BufReader::new(io::stdin());
+    let writer = BufWriter::new(io::stdout());
+
+    let mut deserializer = serde_json::Deserializer::from_reader(reader);
+    let mut serializer = serde_yaml::Serializer::new(writer);
+
+    serde_transcode::transcode(&mut deserializer, &mut serializer)?;
+    Ok(())
+}

src/bin/toml2yaml.rs

@@ -0,0 +1,15 @@
+use std::io::{self, BufReader, BufWriter, Read};
+
+fn main() -> Result<(), Box<dyn std::error::Error>> {
+    let mut reader = BufReader::new(io::stdin());
+    let writer = BufWriter::new(io::stdout());
+
+    let mut buffer = String::new();
+    reader.read_to_string(&mut buffer)?;
+
+    let mut deserializer = serde_toml::Deserializer::new(&buffer);
+    let mut serializer = serde_yaml::Serializer::new(writer);
+
+    serde_transcode::transcode(&mut deserializer, &mut serializer)?;
+    Ok(())
+}

src/bin/yaml2cbor.rs

@@ -0,0 +1,14 @@
+use std::io::{self, BufReader, BufWriter};
+
+fn main() -> Result<(), Box<dyn std::error::Error>> {
+    let reader = BufReader::new(io::stdin());
+    let writer = BufWriter::new(io::stdout());
+
+    let writer = serde_cbor::ser::IoWrite::new(writer);
+
+    let deserializer = serde_yaml::Deserializer::from_reader(reader);
+    let mut serializer = serde_cbor::Serializer::new(writer);
+
+    serde_transcode::transcode(deserializer, &mut serializer)?;
+    Ok(())
+}

src/bin/yaml2json.rs

@@ -0,0 +1,12 @@
+use std::io::{self, BufReader, BufWriter};
+
+fn main() -> Result<(), Box<dyn std::error::Error>> {
+    let reader = BufReader::new(io::stdin());
+    let writer = BufWriter::new(io::stdout());
+
+    let deserializer = serde_yaml::Deserializer::from_reader(reader);
+    let mut serializer = serde_json::Serializer::new(writer);
+
+    serde_transcode::transcode(deserializer, &mut serializer)?;
+    Ok(())
+}

src/bin/yaml2toml.rs

@@ -0,0 +1,15 @@
+use std::io::{self, BufReader, BufWriter, Write};
+
+fn main() -> Result<(), Box<dyn std::error::Error>> {
+    let reader = BufReader::new(io::stdin());
+    let mut writer = BufWriter::new(io::stdout());
+
+    let mut buffer = String::new();
+
+    let deserializer = serde_yaml::Deserializer::from_reader(reader);
+    let mut serializer = serde_toml::Serializer::new(&mut buffer);
+
+    serde_transcode::transcode(deserializer, &mut serializer)?;
+    writer.write_all(buffer.as_str().as_bytes())?;
+    Ok(())
+}