Refactor file types check to be on impl of FileTypes

Relates to #382

src/filetypes.rs

@@ -1,3 +1,6 @@
+use crate::filesystem;
+use crate::walk;
+
 /// Whether or not to show
 pub struct FileTypes {
     pub files: bool,
@@ -22,3 +25,28 @@ impl Default for FileTypes {
         }
     }
 }
+
+impl FileTypes {
+    pub fn should_ignore(&self, entry: &walk::DirEntry) -> bool {
+        if let Some(ref entry_type) = entry.file_type() {
+            (!self.files && entry_type.is_file())
+                || (!self.directories && entry_type.is_dir())
+                || (!self.symlinks && entry_type.is_symlink())
+                || (!self.sockets && filesystem::is_socket(*entry_type))
+                || (!self.pipes && filesystem::is_pipe(*entry_type))
+                || (self.executables_only
+                    && !entry
+                        .metadata()
+                        .map(|m| filesystem::is_executable(&m))
+                        .unwrap_or(false))
+                || (self.empty_only && !filesystem::is_empty(&entry))
+                || !(entry_type.is_file()
+                    || entry_type.is_dir()
+                    || entry_type.is_symlink()
+                    || filesystem::is_socket(*entry_type)
+                    || filesystem::is_pipe(*entry_type))
+        } else {
+            true
+        }
+    }
+}

src/main.rs

@@ -20,8 +20,8 @@ use anyhow::{anyhow, Context, Result};
 use atty::Stream;
 use globset::GlobBuilder;
 use lscolors::LsColors;
-use regex::bytes::{RegexBuilder, RegexSetBuilder};
 use normpath::PathExt;
+use regex::bytes::{RegexBuilder, RegexSetBuilder};
 
 use crate::error::print_error;
 use crate::exec::CommandTemplate;

src/walk.rs

@@ -416,27 +416,7 @@ fn spawn_senders(
 
             // Filter out unwanted file types.
             if let Some(ref file_types) = config.file_types {
-                if let Some(ref entry_type) = entry.file_type() {
+                if file_types.should_ignore(&entry) {
-                    if (!file_types.files && entry_type.is_file())
-                        || (!file_types.directories && entry_type.is_dir())
-                        || (!file_types.symlinks && entry_type.is_symlink())
-                        || (!file_types.sockets && filesystem::is_socket(*entry_type))
-                        || (!file_types.pipes && filesystem::is_pipe(*entry_type))
-                        || (file_types.executables_only
-                            && !entry
-                                .metadata()
-                                .map(|m| filesystem::is_executable(&m))
-                                .unwrap_or(false))
-                        || (file_types.empty_only && !filesystem::is_empty(&entry))
-                        || !(entry_type.is_file()
-                            || entry_type.is_dir()
-                            || entry_type.is_symlink()
-                            || filesystem::is_socket(*entry_type)
-                            || filesystem::is_pipe(*entry_type))
-                    {
-                        return ignore::WalkState::Continue;
-                    }
-                } else {
                     return ignore::WalkState::Continue;
                 }
             }