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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
use crate::{BindingGenerator, Component, GenerationSettings};
use anyhow::Result;
use camino::{Utf8Path, Utf8PathBuf};
use fs_err as fs;
use std::collections::HashMap;
use std::process::Command;
mod gen_kotlin;
use gen_kotlin::{generate_bindings, Config};
#[cfg(feature = "bindgen-tests")]
pub mod test;
pub struct KotlinBindingGenerator;
impl BindingGenerator for KotlinBindingGenerator {
type Config = Config;
fn new_config(&self, root_toml: &toml::Value) -> Result<Self::Config> {
Ok(
match root_toml.get("bindings").and_then(|b| b.get("kotlin")) {
Some(v) => v.clone().try_into()?,
None => Default::default(),
},
)
}
fn update_component_configs(
&self,
settings: &GenerationSettings,
components: &mut Vec<Component<Self::Config>>,
) -> Result<()> {
for c in &mut *components {
c.config
.package_name
.get_or_insert_with(|| format!("uniffi.{}", c.ci.namespace()));
c.config.cdylib_name.get_or_insert_with(|| {
settings
.cdylib
.clone()
.unwrap_or_else(|| format!("uniffi_{}", c.ci.namespace()))
});
}
// We need to update package names
let packages = HashMap::<String, String>::from_iter(
components
.iter()
.map(|c| (c.ci.crate_name().to_string(), c.config.package_name())),
);
for c in components {
for (ext_crate, ext_package) in &packages {
if ext_crate != c.ci.crate_name()
&& !c.config.external_packages.contains_key(ext_crate)
{
c.config
.external_packages
.insert(ext_crate.to_string(), ext_package.clone());
}
}
}
Ok(())
}
fn write_bindings(
&self,
settings: &GenerationSettings,
components: &[Component<Self::Config>],
) -> Result<()> {
for Component { ci, config, .. } in components {
let mut kt_file = full_bindings_path(config, &settings.out_dir);
fs::create_dir_all(&kt_file)?;
kt_file.push(format!("{}.kt", ci.namespace()));
fs::write(&kt_file, generate_bindings(config, ci)?)?;
if settings.try_format_code {
if let Err(e) = Command::new("ktlint").arg("-F").arg(&kt_file).output() {
println!(
"Warning: Unable to auto-format {} using ktlint: {e:?}",
kt_file.file_name().unwrap(),
);
}
}
}
Ok(())
}
}
fn full_bindings_path(config: &Config, out_dir: &Utf8Path) -> Utf8PathBuf {
let package_path: Utf8PathBuf = config.package_name().split('.').collect();
Utf8PathBuf::from(out_dir).join(package_path)
}