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//! Buffer read-access service for bridges (#664).
//!
//! Wraps `Arc<dyn BufferManager>` as a `Service` so bridges can
//! read buffer content via `ServiceRegistry` during `tick()`.
use std::sync::Arc;
use reovim_kernel::api::v1::{BufferManager, Service};
/// Read-only buffer access for bridge tick functions.
///
/// Registered at session creation so bridges can read buffer content
/// without direct access to `KernelContext`.
///
/// # Usage
///
/// ```ignore
/// let Some(access) = services.get::<BufferReadAccess>() else { return false; };
/// let buffer = access.manager().get(buffer_id)?;
/// let content = buffer.read().line(0);
/// ```
pub struct BufferReadAccess(Arc<dyn BufferManager>);
impl BufferReadAccess {
/// Create a new buffer access wrapper.
#[must_use]
pub fn new(buffers: Arc<dyn BufferManager>) -> Self {
Self(buffers)
}
/// Get the underlying buffer manager.
#[must_use]
pub fn manager(&self) -> &dyn BufferManager {
&*self.0
}
}
impl Service for BufferReadAccess {}
#[cfg(test)]
#[path = "buffer_access_tests.rs"]
mod tests;