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use cxx::{type_id, ExternType};
use std::ffi::OsStr;
use std::os::unix::ffi::OsStrExt;
// cxx doesn't allow to share types from other crates, so we have to wrap it
// cf. https://github.com/dtolnay/cxx/issues/496
pub struct PathBuf(pub std::path::PathBuf);
unsafe impl ExternType for PathBuf {
type Id = type_id!("newsboat::filepath::bridged::PathBuf");
type Kind = cxx::kind::Opaque;
}
#[cxx::bridge(namespace = "newsboat::filepath::bridged")]
mod bridged {
extern "Rust" {
type PathBuf;
fn create_empty() -> Box<PathBuf>;
fn create(filepath: Vec<u8>) -> Box<PathBuf>;
fn equals(lhs: &PathBuf, rhs: &PathBuf) -> bool;
fn less_than(lhs: &PathBuf, rhs: &PathBuf) -> bool;
fn into_bytes(filepath: &PathBuf) -> Vec<u8>;
fn display(filepath: &PathBuf) -> String;
fn push(filepath: &mut PathBuf, component: &PathBuf);
fn clone(filepath: &PathBuf) -> Box<PathBuf>;
fn is_absolute(filepath: &PathBuf) -> bool;
fn set_extension(filepath: &mut PathBuf, extension: Vec<u8>) -> bool;
fn starts_with(filepath: &PathBuf, base: &PathBuf) -> bool;
fn file_name(filepath: &PathBuf) -> Vec<u8>;
}
}
fn create_empty() -> Box<PathBuf> {
Box::new(PathBuf(std::path::PathBuf::new()))
}
fn create(filepath: Vec<u8>) -> Box<PathBuf> {
let filepath: &OsStr = OsStrExt::from_bytes(&filepath);
let filepath = std::path::Path::new(filepath);
Box::new(PathBuf(filepath.to_path_buf()))
}
fn equals(lhs: &PathBuf, rhs: &PathBuf) -> bool {
lhs.0 == rhs.0
}
fn less_than(lhs: &PathBuf, rhs: &PathBuf) -> bool {
lhs.0 < rhs.0
}
fn into_bytes(filepath: &PathBuf) -> Vec<u8> {
filepath.0.as_os_str().as_bytes().to_owned()
}
fn display(filepath: &PathBuf) -> String {
format!("{}", filepath.0.display())
}
fn push(filepath: &mut PathBuf, component: &PathBuf) {
filepath.0.push(&component.0)
}
fn clone(filepath: &PathBuf) -> Box<PathBuf> {
Box::new(PathBuf(filepath.0.clone()))
}
fn is_absolute(filepath: &PathBuf) -> bool {
filepath.0.is_absolute()
}
fn set_extension(filepath: &mut PathBuf, extension: Vec<u8>) -> bool {
filepath.0.set_extension(OsStr::from_bytes(&extension))
}
fn starts_with(filepath: &PathBuf, base: &PathBuf) -> bool {
filepath.0.starts_with(&base.0)
}
fn file_name(filepath: &PathBuf) -> Vec<u8> {
if let Some(res) = filepath.0.file_name() {
res.as_bytes().to_vec()
} else {
Vec::new()
}
}
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