Refactor: Move extern crate definitions to lib.rs

Author: azerupi

src/book/bookconfig.rs

@@ -1,5 +1,4 @@
-extern crate rustc_serialize;
-use self::rustc_serialize::json::Json;
+use rustc_serialize::json::Json;
 use std::fs::File;
 use std::io::Read;
 use std::path::{Path, PathBuf};

src/book/bookitem.rs

@@ -1,6 +1,4 @@
-extern crate rustc_serialize;
-
-use self::rustc_serialize::json::{Json, ToJson};
+use rustc_serialize::json::{Json, ToJson};
 use std::path::PathBuf;
 use std::collections::BTreeMap;
 

src/lib.rs

@@ -69,8 +69,11 @@
 //!
 //! Make sure to take a look at it.
 
-#[macro_use]
-pub mod macros;
+extern crate rustc_serialize;
+extern crate handlebars;
+extern crate pulldown_cmark;
+
+#[macro_use] pub mod macros;
 pub mod book;
 mod parse;
 pub mod renderer;

src/renderer/html_handlebars/hbs_renderer.rs

@@ -1,6 +1,3 @@
-extern crate handlebars;
-extern crate rustc_serialize;
-
 use renderer::html_handlebars::helpers;
 use renderer::Renderer;
 use book::MDBook;
@@ -13,8 +10,8 @@ use std::error::Error;
 use std::io::{self, Read, Write};
 use std::collections::BTreeMap;
 
-use self::handlebars::{Handlebars, JsonRender};
-use self::rustc_serialize::json::{Json, ToJson};
+use handlebars::{Handlebars, JsonRender};
+use rustc_serialize::json::{Json, ToJson};
 
 
 pub struct HtmlHandlebars;

src/renderer/html_handlebars/helpers/navigation.rs

@@ -1,11 +1,8 @@
-extern crate handlebars;
-extern crate rustc_serialize;
-
 use std::path::Path;
 use std::collections::BTreeMap;
 
-use self::rustc_serialize::json::{self, ToJson};
-use self::handlebars::{Handlebars, RenderError, RenderContext, Helper, Context, Renderable};
+use rustc_serialize::json::{self, ToJson};
+use handlebars::{Handlebars, RenderError, RenderContext, Helper, Context, Renderable};
 
 // Handlebars helper for navigation
 

src/renderer/html_handlebars/helpers/playpen.rs

@@ -1,5 +1,3 @@
-extern crate handlebars;
-
 use std::path::{Path, PathBuf};
 use std::fs::File;
 use std::io::Read;

src/renderer/html_handlebars/helpers/toc.rs

@@ -1,13 +1,9 @@
-extern crate handlebars;
-extern crate rustc_serialize;
-extern crate pulldown_cmark;
-
 use std::path::Path;
 use std::collections::BTreeMap;
 
-use self::rustc_serialize::json;
-use self::handlebars::{Handlebars, HelperDef, RenderError, RenderContext, Helper, Context};
-use self::pulldown_cmark::{Parser, html, Event, Tag};
+use rustc_serialize::json;
+use handlebars::{Handlebars, HelperDef, RenderError, RenderContext, Helper, Context};
+use pulldown_cmark::{Parser, html, Event, Tag};
 
 // Handlebars helper to construct TOC
 #[derive(Clone, Copy)]

src/utils/mod.rs

@@ -1,9 +1,6 @@
-extern crate pulldown_cmark;
-
 pub mod fs;
 
-use self::pulldown_cmark::{Parser, html, Options, OPTION_ENABLE_TABLES, OPTION_ENABLE_FOOTNOTES};
-
+use pulldown_cmark::{Parser, html, Options, OPTION_ENABLE_TABLES, OPTION_ENABLE_FOOTNOTES};
 
 
 ///