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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
use std::process::Command;
use crate::{bindings::GenerateOptions, BindgenLoader, Component, ComponentInterface};
use anyhow::{Context, Result};
use fs_err as fs;
mod gen_ruby;
#[cfg(feature = "bindgen-tests")]
pub mod test;
use gen_ruby::{Config, RubyWrapper};
pub fn generate(loader: &BindgenLoader, options: GenerateOptions) -> Result<()> {
let metadata = loader.load_metadata(&options.source)?;
let cis = loader.load_cis(metadata)?;
let cdylib = loader.library_name(&options.source).map(|l| l.to_string());
let mut components =
loader.load_components(cis, |ci, toml| parse_config(ci, toml, cdylib.clone()))?;
for c in components.iter_mut() {
c.ci.derive_ffi_funcs()?;
}
for Component { ci, config, .. } in components {
if let Some(crate_filter) = &options.crate_filter {
if ci.crate_name() != crate_filter {
continue;
}
}
let rb_file = options.out_dir.join(format!("{}.rb", ci.namespace()));
fs::write(&rb_file, generate_ruby_bindings(&config, &ci)?)?;
if options.format {
if let Err(e) = Command::new("rubocop").arg("-A").arg(&rb_file).output() {
println!(
"Warning: Unable to auto-format {} using rubocop: {e:?}",
rb_file.file_name().unwrap(),
)
}
}
}
Ok(())
}
// Generate ruby bindings for the given ComponentInterface, as a string.
pub fn generate_ruby_bindings(config: &Config, ci: &ComponentInterface) -> Result<String> {
use askama::Template;
RubyWrapper::new(config.clone(), ci)
.render()
.context("failed to render ruby bindings")
}
fn parse_config(
ci: &ComponentInterface,
root_toml: toml::Value,
cdylib: Option<String>,
) -> Result<Config> {
let mut config: Config = match root_toml.get("bindings").and_then(|b| b.get("ruby")) {
Some(v) => v.clone().try_into()?,
None => Default::default(),
};
config.cdylib_name.get_or_insert_with(|| {
cdylib
.clone()
.unwrap_or_else(|| format!("uniffi_{}", ci.namespace()))
});
Ok(config)
}