Start style-spec crate

libs/style_spec/.gitignore

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+style-spec-v8.json

libs/style_spec/Cargo.toml

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+[package]
+name = "style-spec"
+version = "0.1.0"
+description = "A library for decoding style specs"
+readme = "README.md"
+categories = ["encoding"]
+edition = "2021"
+build = "build.rs"
+
+[dependencies]
+log = "0.4"
+
+
+
+[build-dependencies]
+serde_json = "1.0"
+
+

libs/style_spec/build.rs

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+use std::fs::File;
+use std::io::BufReader;
+use serde_json::Value;
+
+fn generate_type_def() -> Option<u32> {
+    let mut f = File::open("style-spec-v8.json").unwrap();
+    let mut reader = BufReader::new(f);
+    let result = serde_json::from_reader::<_, Value>(&mut reader).unwrap();
+
+    let spec_root = result.as_object()?;
+    let version = &spec_root["$version"].as_i64()?;
+    let root = &spec_root["$root"].as_object()?;
+
+    for x in spec_root {
+
+    }
+
+    println!("cargo:warning={:?}", version);
+
+    Some(5)
+}
+
+
+fn main() {
+    generate_type_def();
+}