serde example

Author: burrbull

Cargo.toml

@@ -21,3 +21,10 @@ failure = "0.1"
 version = "1.0"
 features = ["derive"]
 optional = true
+
+[dev-dependencies]
+serde_json = "1.0"
+
+[[example]]
+name = "svd2json"
+required-features = ["serde"]

examples/svd2json.rs

@@ -0,0 +1,39 @@
+use serde_json as json;
+use svd_parser as svd;
+
+use json::Value;
+use std::env::args;
+use std::fs::File;
+use std::io::{Read, Write};
+
+fn main() {
+    // Collect command-line arguments.
+    let argv: Vec<String> = args().collect();
+    // Expect exactly one argument, with the name of the SVD file.
+    // (Arg #0 is this program's name, Arg #1 is the actual argument)
+    if argv.len() != 2 {
+        println!("Usage: (svd2json) file.svd");
+        return;
+    }
+    let svd_fn: String = argv[1].clone();
+
+    // Open the XML-formatted SVD file and read it into a String.
+    let svd_xml = &mut String::new();
+    File::open(&svd_fn)
+        .expect("Failed to open SVD input file")
+        .read_to_string(svd_xml)
+        .expect("Failed to read SVD input file to a String");
+
+    // Use the 'svd_parser' crate to parse the file.
+    let device = svd::parse(svd_xml).expect("Failed to parse the SVD file into Rust structs");
+
+    // Convert the parsed data into JSON format.
+    let v: Value = json::to_value(device).expect("Failed to parse Rust structs into JSON format");
+
+    // Write the JSON-formatted device description to a file.
+    let json_fn: String = svd_fn + ".json";
+    File::create(json_fn)
+        .expect("Failed to open JSON output file")
+        .write_all(json::to_string_pretty(&v).unwrap().as_bytes())
+        .expect("Failed to write to JSON output file");
+}