move to local_util

src/local_util.rs

@@ -1,10 +1,46 @@
 use std::{
+    cell::Cell,
     fs::File,
     path::Path,
     io::prelude::*,
 };
 use rust_util::{ XResult, new_box_error, };
 
+#[derive(Debug)]
+pub struct MatchLine {
+    pub line_number: usize,
+    pub line_string: String,
+}
+
+impl MatchLine {
+    pub fn new(line_number: usize, line_string: String) -> MatchLine {
+        MatchLine { line_number, line_string, }
+    }
+}
+
+pub struct CountCell( Cell<u64> );
+
+impl CountCell {
+    pub fn new() -> CountCell {
+        CountCell( Cell::new(0_u64) )
+    }
+
+    #[inline]
+    pub fn get(&self) -> u64 {
+        self.0.get()
+    }
+
+    #[inline]
+    pub fn add(&self, i: u64) {
+        self.0.set(self.0.get() + i);
+    }
+
+    #[inline]
+    pub fn add_one(&self) {
+        self.add(1);
+    }
+}
+
 pub fn read_file_content<P: AsRef<Path>>(p: P, len_of_large_file: u64) -> XResult<String> {
     let file = p.as_ref();
     if !file.exists() {

src/main.rs

@@ -6,7 +6,7 @@ extern crate rust_util;
 mod opt;
 mod local_util;
 
-use std::{ cell::Cell, path::Path, time::SystemTime, };
+use std::{ path::Path, time::SystemTime, };
 use opt::*;
 use rust_util::{
     iff,
@@ -16,51 +16,16 @@ use rust_util::{
     util_size::*,
     util_msg::*,
 };
-use local_util::read_file_content;
+use local_util::{
+    CountCell,
+    MatchLine,
+    read_file_content,
+};
 
 const EMPTY: &str = "";
 const VERSION: &str = env!("CARGO_PKG_VERSION");
 const GIT_HASH: &str = env!("GIT_HASH");
 
-#[derive(Debug)]
-struct MatchLine {
-    line_number: usize,
-    line_string: String,
-}
-
-impl MatchLine {
-    fn new(line_number: usize, line_string: String) -> MatchLine {
-        MatchLine { line_number, line_string, }
-    }
-}
-
-struct CountCell {
-    cell: Cell<u64>
-}
-
-impl CountCell {
-    fn new() -> CountCell {
-        CountCell {
-            cell: Cell::new(0_u64)
-        }
-    }
-
-    #[inline]
-    fn get(&self) -> u64 {
-        self.cell.get()
-    }
-
-    #[inline]
-    fn add(&self, i: u64) {
-        self.cell.set(self.cell.get() + i);
-    }
-
-    #[inline]
-    fn add_one(&self) {
-        self.add(1);
-    }
-}
-
 fn print_version(options: &Options) {
     println!(r#"finding {} - {}
 Copyright (C) 2019-2020 Hatter Jiang.