Add some colours

Cargo.lock

@@ -19,6 +19,7 @@ dependencies = [
  "syntect 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "tempdir 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "tera 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "term-painter 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "toml 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "walkdir 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "ws 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -820,6 +821,23 @@ dependencies = [
  "url 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "term"
+version = "0.4.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "term-painter"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "term 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "term_size"
 version = "0.2.3"
@@ -1131,6 +1149,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum syntect 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "6728e7e9bbd971751d17d39b0e38e3558c10b9fb32125441bb17c434a2754e7c"
 "checksum tempdir 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)" = "87974a6f5c1dfb344d733055601650059a3363de2a6104819293baff662132d6"
 "checksum tera 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)" = "6f2ff83a1773a0482ddc961d0030b514f1848f592ae9612afb241e5eb455df75"
+"checksum term 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)" = "d168af3930b369cfe245132550579d47dfd873d69470755a19c2c6568dbbd989"
+"checksum term-painter 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "ab900bf2f05175932b13d4fc12f8ff09ef777715b04998791ab2c930841e496b"
 "checksum term_size 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "07b6c1ac5b3fffd75073276bca1ceed01f67a28537097a2a9539e116e50fb21a"
 "checksum thread-id 3.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "4437c97558c70d129e40629a5b385b3fb1ffac301e63941335e4d354081ec14a"
 "checksum thread_local 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "c85048c6260d17cf486ceae3282d9fb6b90be220bf5b28c400f5485ffc29f0c7"

Cargo.toml

@@ -29,6 +29,7 @@ slug = "0.1"
 syntect = "1"
 chrono = "0.3"
 toml = { version = "0.3", default-features = false, features = ["serde"]}
+term-painter = "0.2"
 
 # Below is for the serve cmd
 staticfile = "0.4"

src/cmd/build.rs

@@ -7,5 +7,6 @@ use gutenberg::Site;
 pub fn build(config_file: &str) -> Result<()> {
     let mut site = Site::new(env::current_dir().unwrap(), config_file)?;
     site.load()?;
+    println!("-> Creating {} pages and {} sections", site.pages.len(), site.sections.len());
     site.build()
 }

src/cmd/serve.rs

@@ -14,7 +14,8 @@ use gutenberg::Site;
 use gutenberg::errors::{Result};
 
 
-use ::report_elapsed_time;
+use ::{report_elapsed_time, unravel_errors};
+use console;
 
 
 #[derive(Debug, PartialEq)]
@@ -46,20 +47,13 @@ fn rebuild_done_handling(broadcaster: &Sender, res: Result<()>, reload_path: &st
                 }}"#, reload_path)
             ).unwrap();
         },
-        Err(e) => {
+        Err(e) => unravel_errors("Failed to build the site", e, false)
-            println!("Failed to build the site");
-            println!("Error: {}", e);
-            for e in e.iter().skip(1) {
-                println!("Reason: {}", e)
-            }
-        }
     }
 }
 
 
 // Most of it taken from mdbook
 pub fn serve(interface: &str, port: &str, config_file: &str) -> Result<()> {
-    println!("Building site...");
     let start = Instant::now();
     let mut site = Site::new(env::current_dir().unwrap(), config_file)?;
     let address = format!("{}:{}", interface, port);
@@ -84,7 +78,6 @@ pub fn serve(interface: &str, port: &str, config_file: &str) -> Result<()> {
     // Starts with a _ to not trigger the unused lint
     // we need to assign to a variable otherwise it will block
     let _iron = Iron::new(mount).http(address.as_str()).unwrap();
-    println!("Web server is available at http://{}", address);
 
     // The websocket for livereload
     let ws_server = WebSocket::new(|_| {
@@ -104,8 +97,10 @@ pub fn serve(interface: &str, port: &str, config_file: &str) -> Result<()> {
     watcher.watch("static/", RecursiveMode::Recursive).unwrap();
     watcher.watch("templates/", RecursiveMode::Recursive).unwrap();
     let pwd = format!("{}", env::current_dir().unwrap().display());
+
     println!("Listening for changes in {}/{{content, static, templates}}", pwd);
-    println!("Press CTRL+C to stop\n");
+    println!("Web server is available at http://{}", address);
+    println!("Press Ctrl+C to stop\n");
 
     use notify::DebouncedEvent::*;
 
@@ -127,17 +122,17 @@ pub fn serve(interface: &str, port: &str, config_file: &str) -> Result<()> {
                         let start = Instant::now();
                         match detect_change_kind(&pwd, &path) {
                             (ChangeKind::Content, _) => {
-                                println!("-> Content changed {}", path.display());
+                                console::info(&format!("-> Content changed {}", path.display()));
                                 // Force refresh
                                 rebuild_done_handling(&broadcaster, site.rebuild_after_content_change(&path), "/x.js");
                             },
                             (ChangeKind::Templates, _) => {
-                                println!("-> Template changed {}", path.display());
+                                console::info(&format!("-> Template changed {}", path.display()));
                                 // Force refresh
                                 rebuild_done_handling(&broadcaster, site.rebuild_after_template_change(), "/x.js");
                             },
                             (ChangeKind::StaticFiles, p) => {
-                                println!("-> Static file changes detected {}", path.display());
+                                console::info(&format!("-> Static file changes detected {}", path.display()));
                                 rebuild_done_handling(&broadcaster, site.copy_static_directory(), &p);
                             },
                         };
@@ -146,14 +141,14 @@ pub fn serve(interface: &str, port: &str, config_file: &str) -> Result<()> {
                     _ => {}
                 }
             },
-            Err(e) => println!("Watch error: {:?}", e),
+            Err(e) => console::error(&format!("Watch error: {:?}", e)),
         };
     }
 }
 
 
-/// Returns whether the path we received corresponds to a temp file create
+/// Returns whether the path we received corresponds to a temp file created
-/// by an editor
+/// by an editor or the OS
 fn is_temp_file(path: &Path) -> bool {
     let ext = path.extension();
     match ext {
@@ -194,7 +189,7 @@ fn detect_change_kind(pwd: &str, path: &Path) -> (ChangeKind, String) {
     } else if path_str.starts_with("/static") {
         ChangeKind::StaticFiles
     } else {
-        panic!("Got a change in an unexpected path: {}", path_str);
+        unreachable!("Got a change in an unexpected path: {}", path_str);
     };
 
     (change_kind, path_str)
@@ -221,7 +216,6 @@ mod tests {
         ];
 
         for t in testcases {
-            println!("{:?}", t.display());
             assert!(is_temp_file(&t));
         }
     }
@@ -244,7 +238,6 @@ mod tests {
         ];
 
         for (expected, pwd, path) in testcases {
-            println!("{:?}", path.display());
             assert_eq!(expected, detect_change_kind(&pwd, &path));
         }
     }

src/console.rs

@@ -0,0 +1,15 @@
+use term_painter::ToStyle;
+use term_painter::Color::*;
+
+
+pub fn info(message: &str) {
+    println!("{}", NotSet.bold().paint(message));
+}
+
+pub fn success(message: &str) {
+    println!("{}", Green.bold().paint(message));
+}
+
+pub fn error(message: &str) {
+    println!("{}", Red.bold().paint(message));
+}

src/main.rs

@@ -4,6 +4,7 @@ extern crate clap;
 extern crate error_chain;
 extern crate gutenberg;
 extern crate chrono;
+extern crate term_painter;
 
 extern crate staticfile;
 extern crate iron;
@@ -13,20 +14,35 @@ extern crate ws;
 
 
 use std::time::Instant;
+
 use chrono::Duration;
+use gutenberg::errors::Error;
 
 mod cmd;
+mod console;
 
 
-// Print the time elapsed rounded to 1 decimal
+/// Print the time elapsed rounded to 1 decimal
 fn report_elapsed_time(instant: Instant) {
     let duration_ms = Duration::from_std(instant.elapsed()).unwrap().num_milliseconds() as f64;
 
     if duration_ms < 1000.0 {
-        println!("Done in {}ms.\n", duration_ms);
+        console::success(&format!("Done in {}ms.\n", duration_ms));
     } else {
         let duration_sec = duration_ms / 1000.0;
-        println!("Done in {:.1}s.\n", ((duration_sec * 10.0).round() / 10.0));
+        console::success(&format!("Done in {:.1}s.\n", ((duration_sec * 10.0).round() / 10.0)));
+    }
+}
+
+////Display an error message, the actual error and then exits if requested
+fn unravel_errors(message: &str, error: Error, exit: bool) {
+        console::error(message);
+        console::error(&format!("Error: {}", error));
+        for e in error.iter().skip(1) {
+            console::error(&format!("Reason: {}", e));
+        }
+        if exit {
+            ::std::process::exit(1);
         }
 }
 
@@ -57,44 +73,25 @@ fn main() {
     match matches.subcommand() {
         ("init", Some(matches)) => {
             match cmd::create_new_project(matches.value_of("name").unwrap()) {
-                Ok(()) => {
+                Ok(()) => console::success("Project created"),
-                    println!("Project created");
+                Err(e) => unravel_errors("Failed to create the project", e, true),
-                },
-                Err(e) => {
-                    println!("Error: {}", e);
-                    ::std::process::exit(1);
-                },
             };
         },
         ("build", Some(_)) => {
-            println!("Building site");
+            console::info("Building site...");
             let start = Instant::now();
             match cmd::build(&config_file) {
-                Ok(()) => {
+                Ok(()) => report_elapsed_time(start),
-                    report_elapsed_time(start);
+                Err(e) => unravel_errors("Failed to build the site", e, true),
-                },
-                Err(e) => {
-                    println!("Failed to build the site");
-                    println!("Error: {}", e);
-                    for e in e.iter().skip(1) {
-                        println!("Reason: {}", e)
-                    }
-                    ::std::process::exit(1);
-                },
             };
         },
         ("serve", Some(matches)) => {
             let interface = matches.value_of("interface").unwrap_or("127.0.0.1");
             let port = matches.value_of("port").unwrap_or("1111");
+            console::info("Building site...");
             match cmd::serve(interface, port, &config_file) {
                 Ok(()) => (),
-                Err(e) => {
+                Err(e) => unravel_errors("Failed to build the site", e, true),
-                    println!("Error: {}", e);
-                    for e in e.iter().skip(1) {
-                        println!("Reason: {}", e)
-                    }
-                    ::std::process::exit(1);
-                },
             };
         },
         _ => unreachable!(),

src/page.rs

@@ -206,7 +206,7 @@ impl Page {
         context.add("page", self);
 
         tera.render(&tpl_name, &context)
-            .chain_err(|| format!("Failed to render page '{}'", self.file_name))
+            .chain_err(|| format!("Failed to render page '{}'", self.file_path.display()))
     }
 }