X11 Resource Manager support

Cargo.toml

@@ -45,6 +45,10 @@ cursor = ["render"]
 # Enable utility functions in `x11rb::image` for working with image data.
 image = []
 
+# Enable utility functions in `x11rb::resource_manager` for querying the
+# resource databases.
+resource_manager = []
+
 dl-libxcb = ["allow-unsafe-code", "libloading", "once_cell"]
 
 # Enable this feature to enable all the X11 extensions
@@ -108,7 +112,7 @@ xv = ["shm"]
 xvmc = ["xv"]
 
 [package.metadata.docs.rs]
-features = [ "all-extensions", "allow-unsafe-code", "cursor", "image" ]
+features = [ "all-extensions", "allow-unsafe-code", "cursor", "image", "resource_manager" ]
 
 [[example]]
 name = "generic_events"

src/cursor/find_cursor.rs

@@ -1,5 +1,3 @@
-#![allow(clippy::match_like_matches_macro)]
-
 //! Find the right cursor file from a cursor name
 
 // Based on libxcb-cursor's load_cursor.c which has:

src/lib.rs

@@ -91,6 +91,9 @@
 //! Additionally, the following flags exist:
 //! * `allow-unsafe-code`: Enable features that require `unsafe`. Without this flag,
 //!   `x11rb::xcb_ffi::XCBConnection` and some support code for it are unavailable.
+//! * `cursor`: Enable the code in [x11rb::cursor] for loading cursor files.
+//! * `resource_manager`: Enable the code in [x11rb::resource_manager] for loading and querying the
+//!   X11 resource database.
 //! * `dl-libxcb`: Enabling this feature will prevent from libxcb being linked to the
 //!   resulting executable. Instead libxcb will be dynamically loaded at runtime.
 //!   This feature adds the `x11rb::xcb_ffi::load_libxcb` function, that allows load
@@ -126,6 +129,8 @@
 #![allow(
     // This suggests a method that was stabilised in Rust 1.45, while our MSRV is 1.40.
     clippy::manual_strip,
+    // This suggests a macro that was stabilised in Rust 1.42, while our MSRV is 1.40.
+    clippy::match_like_matches_macro,
 )]
 #![cfg_attr(not(feature = "allow-unsafe-code"), forbid(unsafe_code))]
 
@@ -151,6 +156,8 @@ pub mod wrapper;
 #[rustfmt::skip]
 #[allow(missing_docs)]
 pub mod protocol;
+#[cfg(feature = "resource_manager")]
+pub mod resource_manager;
 #[cfg(test)]
 mod test;