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use std::env;
use std::path::PathBuf;
fn main() -> Result<(), ()> {
if std::env::var("DOCS_RS").is_ok() {
return Ok(());
}
println!("cargo:rerun-if-changed=build.rs");
let hfst_lib = pkg_config::Config::new()
.atleast_version("0.0.0")
.probe("hfst_c")
.map_err(|e| panic!("{:?}", e))?;
for include_path in hfst_lib.include_paths {
println!("cargo:rerun-if-changed={}", include_path.display());
}
for lib_dir in hfst_lib.link_paths {
println!("cargo:rustc-link-search={}", lib_dir.display());
}
for lib in hfst_lib.libs {
println!("cargo:rustc-link-lib={lib}");
}
// The bindgen::Builder is the main entry point
// to bindgen, and lets you build up options for
// the resulting bindings.
let bindings = bindgen::Builder::default()
// The input header we would like to generate bindings for.
// .hpp wrapper, so it understands "extern C"", etc
//.header("/usr/include/hfst/hfst.h")
.header("wrapper.hpp")
//.allowlist_item("NOT_TRANSDUCER_STREAM")
//.allowlist_item("END_OF_STREAM")
//.allowlist_item("IMPLEMENTATION_TYPE_NOT_AVAILABLE")
//.allowlist_item("OTHER")
.allowlist_item("hfst_empty_transducer")
.allowlist_item("hfst_input_stream")
.allowlist_item("hfst_input_stream_close")
.allowlist_item("hfst_input_stream_free")
.allowlist_item("hfst_input_stream_is_eof")
.allowlist_item("hfst_input_stream_is_bad")
.allowlist_item("hfst_transducer_from_stream")
//.allowlist_item("hfst_lookup_begin")
//.allowlist_item("hfst_lookup_results")
.allowlist_item("hfst_lookup")
.allowlist_item("hfst_lookup_iterator")
.allowlist_item("hfst_lookup_iterator_value")
.allowlist_item("hfst_lookup_iterator_next")
.allowlist_item("hfst_lookup_iterator_free")
.allowlist_item("hfst_lookup_iterator_done")
//.allowlist_function("hfst_input_stream_from_file")
//.allowlist_function("hfst_input_stream_free")
// Tell cargo to invalidate the built crate whenever any of the
// included header files changed.
.parse_callbacks(Box::new(bindgen::CargoCallbacks::new()))
// Finish the builder and generate the bindings.
.generate()
// Unwrap the Result and panic on failure.
.expect("Unable to generate bindings");
// Write the bindings to the $OUT_DIR/bindings.rs file.
let out_path = PathBuf::from(env::var("OUT_DIR").unwrap());
bindings
.write_to_file(out_path.join("bindings.rs"))
.expect("Couldn't write bindings!");
Ok(())
}