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// =============================================================================
// Copyright (c) 2026 Haixing Hu.
//
// SPDX-License-Identifier: Apache-2.0
//
// Licensed under the Apache License, Version 2.0.
// =============================================================================
// facade.
//! Facade-resolved copy options.
use crate::copy::CopyOptions;
use crate::metadata::SymlinkPolicy;
/// Immutable options resolved by the facade before provider dispatch.
///
/// # Examples
///
/// ```rust
/// use qubit_fs::copy::CopyOptions;
/// use qubit_fs::metadata::SymlinkPolicy;
/// use qubit_fs::spi::ResolvedCopyOptions;
///
/// let options = CopyOptions::default();
/// assert!(std::any::type_name::<ResolvedCopyOptions>().contains("ResolvedCopyOptions"));
/// assert_eq!(SymlinkPolicy::Reject, SymlinkPolicy::Reject);
/// let _ = options;
/// ```
#[derive(Clone)]
pub struct ResolvedCopyOptions {
/// Caller options retained after facade validation and normalization.
options: CopyOptions,
/// Effective symbolic-link policy after applying the caller override.
symlink_policy: SymlinkPolicy,
}
impl ResolvedCopyOptions {
/// Creates this value inside the facade boundary.
///
/// # Parameters
/// - `options`: Validated caller options after normalization.
/// - `symlink_policy`: Effective provider policy for this request.
#[inline]
pub(crate) const fn new(options: CopyOptions, symlink_policy: SymlinkPolicy) -> Self {
Self {
options,
symlink_policy,
}
}
/// Returns the resolved options.
#[inline]
#[must_use]
pub const fn options(&self) -> &CopyOptions {
&self.options
}
/// Returns the effective symbolic-link policy.
#[inline]
#[must_use = "the resolved symbolic-link policy must be used"]
pub const fn symlink_policy(&self) -> SymlinkPolicy {
self.symlink_policy
}
}
#[cfg(test)]
mod tests {
use std::hint::black_box;
use super::ResolvedCopyOptions;
use crate::copy::CopyOptions;
use crate::metadata::SymlinkPolicy;
#[test]
fn resolved_options_expose_their_values() {
let options = CopyOptions::default();
let resolved = ResolvedCopyOptions::new(options.clone(), SymlinkPolicy::FollowWithinFileSystem);
let options_accessor: fn(&ResolvedCopyOptions) -> &CopyOptions = black_box(ResolvedCopyOptions::options);
let policy_accessor: fn(&ResolvedCopyOptions) -> SymlinkPolicy = black_box(ResolvedCopyOptions::symlink_policy);
assert_eq!(&options, options_accessor(&resolved));
assert_eq!(SymlinkPolicy::FollowWithinFileSystem, policy_accessor(&resolved));
}
}