move utils to utils

src/ui.rs

@@ -14,9 +14,7 @@
 mod action;
 mod mode;
 mod view;
-pub use self::action::Action;
-pub use self::mode::Mode;
-pub use self::view::View;
+pub use self::{action::Action, mode::Mode, view::View};
 
 use crate::{
     bookmarks, color,
@@ -188,7 +186,7 @@ impl UI {
         if url.contains("://") && !url.starts_with("gopher://") {
             self.dirty = true;
             return if self.confirm(&format!("Open external URL? {}", url)) {
-                open_external(url)
+                utils::open_external(url)
             } else {
                 Ok(())
             };
@@ -627,7 +625,7 @@ impl UI {
                 'y' => {
                     if let Some(page) = self.views.get(self.focused) {
                         let url = page.url();
-                        copy_to_clipboard(&url)?;
+                        utils::copy_to_clipboard(&url)?;
                         let msg = format!("Copied {} to clipboard.", url);
                         self.set_status(&msg);
                     }
@@ -652,38 +650,3 @@ impl Drop for UI {
         out.flush().expect(ERR_STDOUT);
     }
 }
-
-fn copy_to_clipboard(data: &str) -> Result<()> {
-    spawn_os_clipboard().and_then(|mut child| {
-        let child_stdin = child.stdin.as_mut().unwrap();
-        child_stdin.write_all(data.as_bytes())
-    })
-}
-
-fn spawn_os_clipboard() -> Result<process::Child> {
-    if cfg!(target_os = "macos") {
-        process::Command::new("pbcopy")
-            .stdin(Stdio::piped())
-            .spawn()
-    } else {
-        process::Command::new("xclip")
-            .args(&["-sel", "clip"])
-            .stdin(Stdio::piped())
-            .spawn()
-    }
-}
-
-// runs the `open` shell command
-fn open_external(url: &str) -> Result<()> {
-    let output = process::Command::new("open").arg(url).output()?;
-    if output.stderr.is_empty() {
-        Ok(())
-    } else {
-        Err(error!(
-            "`open` error: {}",
-            String::from_utf8(output.stderr)
-                .unwrap_or_else(|_| "?".into())
-                .trim_end()
-        ))
-    }
-}

src/utils.rs

@@ -1,4 +1,8 @@
 //! Helper functions and macros.
+use std::{
+    io::{Result, Write},
+    process::{self, Stdio},
+};
 
 /// Debug macro that appends a line to `phetch.log`.
 /// Useful for printf-style debugging - add your `log!()` calls,
@@ -49,3 +53,38 @@ pub fn human_bytes(bytes: usize) -> String {
 
     format!("{}{}", count, tag)
 }
+
+/// Copies data to the system clipboard, if possible.
+/// Uses `pbcopy` on macOS or `xclip -sel clip` on Linux.
+pub fn copy_to_clipboard(data: &str) -> Result<()> {
+    #[cfg(target_os = "macos")]
+    let mut cmd = process::Command::new("pbcopy");
+    #[cfg(not(target_os = "macos"))]
+    let mut cmd = process::Command::new("xclip").args(&["-sel", "clip"]);
+
+    cmd.stdin(Stdio::piped()).spawn().and_then(|mut child| {
+        let child_stdin = child.stdin.as_mut().unwrap();
+        child_stdin.write_all(data.as_bytes())
+    })
+}
+
+/// Used to open non-Gopher URLs.
+/// Runs `open` command on macOS or `xdg-open` on Linux.
+pub fn open_external(url: &str) -> Result<()> {
+    #[cfg(target_os = "macos")]
+    let cmd = "open";
+    #[cfg(not(target_os = "macos"))]
+    let cmd = "xdg-open";
+
+    let output = process::Command::new(cmd).arg(url).output()?;
+    if output.stderr.is_empty() {
+        Ok(())
+    } else {
+        Err(error!(
+            "`open` error: {}",
+            String::from_utf8(output.stderr)
+                .unwrap_or_else(|_| "?".into())
+                .trim_end()
+        ))
+    }
+}