Merge pull request #45 from Keats/index

Index page

README.md

@@ -123,14 +123,18 @@ which template will be used to render that section.
 Sections will also automatically pick up their subsections, allowing you to make some complex pages layout and
 table of contents.
 
+A special case is the `_index.md` at the root of the `content` directory which represents the homepage. It is only there
+to control pagination and sorting of the homepage.
+
 ### Code highlighting themes
 Code highlighting can be turned on by setting `highlight_code = true` in `config.toml`.
 
 When turned on, all text between backticks will be highlighted, like the example below.
 
-    ```rust
-    let site = Site::new();
-    ```
+```rust
+let site = Site::new();
+```
+
 If the name of the language is not given, it will default to plain-text highlighting.
 
 Gutenberg uses Sublime Text themes for syntax highlighting. It comes with the following theme

src/markdown.rs

@@ -37,7 +37,7 @@ lazy_static!{
     };
 }
 
-/// A ShortCode that has a body
+/// A shortcode that has a body
 /// Called by having some content like {% ... %} body {% end %}
 /// We need the struct to hold the data while we're processing the markdown
 #[derive(Debug)]
@@ -62,7 +62,7 @@ impl ShortCode {
 
     pub fn render(&self, tera: &Tera) -> Result<String> {
         let mut context = Context::new();
-        for (key, value) in self.args.iter() {
+        for (key, value) in &self.args {
             context.add(key, value);
         }
         context.add("body", &self.body);
@@ -132,7 +132,7 @@ pub fn markdown_to_html(content: &str, permalinks: &HashMap<String, String>, ter
     // for example an article could have several titles named Example
     // We add a counter after the slug if the slug is already present, which
     // means we will have example, example-1, example-2 etc
-    fn find_anchor(anchors: &Vec<String>, name: String, level: u8) -> String {
+    fn find_anchor(anchors: &[String], name: String, level: u8) -> String {
         if level == 0 && !anchors.contains(&name) {
             return name.to_string();
         }
@@ -164,8 +164,7 @@ pub fn markdown_to_html(content: &str, permalinks: &HashMap<String, String>, ter
                 }
 
                 // Shortcode without body
-                if shortcode_block.is_none() && text.starts_with("{{") && text.ends_with("}}") {
-                    if SHORTCODE_RE.is_match(&text) {
+                if shortcode_block.is_none() && text.starts_with("{{") && text.ends_with("}}") && SHORTCODE_RE.is_match(&text) {
                     let (name, args) = parse_shortcode(&text);
                     added_shortcode = true;
                     match render_simple_shortcode(tera, &name, &args) {
@@ -175,7 +174,6 @@ pub fn markdown_to_html(content: &str, permalinks: &HashMap<String, String>, ter
                             return Event::Html(Owned("".to_string()));
                         }
                     }
-                    }
                     // non-matching will be returned normally below
                 }
 
@@ -277,7 +275,7 @@ pub fn markdown_to_html(content: &str, permalinks: &HashMap<String, String>, ter
                     };
                 }
 
-                return Event::Start(Tag::Link(link.clone(), title.clone()));
+                Event::Start(Tag::Link(link.clone(), title.clone()))
             },
             // need to know when we are in a code block to disable shortcodes in them
             Event::Start(Tag::Code) => {
@@ -291,7 +289,7 @@ pub fn markdown_to_html(content: &str, permalinks: &HashMap<String, String>, ter
             Event::Start(Tag::Header(num)) => {
                 in_header = true;
                 // ugly eh
-                return Event::Html(Owned(format!("<h{} ", num)));
+                Event::Html(Owned(format!("<h{} ", num)))
             },
             Event::End(Tag::Header(_)) => {
                 in_header = false;

src/page.rs

@@ -152,8 +152,7 @@ impl Page {
         // Pages with custom urls exists outside of sections
         if let Some(ref u) = page.meta.url {
             page.path = u.trim().to_string();
-        } else {
-            if !page.components.is_empty() {
+        } else if !page.components.is_empty() {
             // If we have a folder with an asset, don't consider it as a component
             if page.file_name == "index" {
                 page.components.pop();
@@ -166,7 +165,7 @@ impl Page {
         } else {
             page.path = page.slug.clone();
         }
-        }
+
 
         page.permalink = config.make_permalink(&page.path);
 

src/site.rs

@@ -64,6 +64,7 @@ pub struct Site {
     pub config: Config,
     pub pages: HashMap<PathBuf, Page>,
     pub sections: BTreeMap<PathBuf, Section>,
+    pub index: Option<Section>,
     pub tera: Tera,
     live_reload: bool,
     output_path: PathBuf,
@@ -91,6 +92,7 @@ impl Site {
             config: get_config(path, config_file),
             pages: HashMap::new(),
             sections: BTreeMap::new(),
+            index: None,
             tera: tera,
             live_reload: false,
             output_path: path.join("public"),
@@ -117,16 +119,21 @@ impl Site {
     /// Reads all .md files in the `content` directory and create pages/sections
     /// out of them
     pub fn load(&mut self) -> Result<()> {
-        let path = self.base_path.to_string_lossy().replace("\\", "/");
-        let content_glob = format!("{}/{}", path, "content/**/*.md");
+        let base_path = self.base_path.to_string_lossy().replace("\\", "/");
+        let content_glob = format!("{}/{}", base_path, "content/**/*.md");
 
         // TODO: make that parallel, that's the main bottleneck
         // `add_section` and `add_page` can't be used in the parallel version afaik
         for entry in glob(&content_glob).unwrap().filter_map(|e| e.ok()) {
             let path = entry.as_path();
-
             if path.file_name().unwrap() == "_index.md" {
+                // Index section
+                if path.parent().unwrap() == self.base_path.join("content") {
+                    self.index = Some(Section::from_file(path, &self.config)?);
+                } else {
+                    // all the other sections
                     self.add_section(path)?;
+                }
             } else {
                 self.add_page(path)?;
             }

test_site/content/_index.md

@@ -0,0 +1,4 @@
++++
+title = "Home"
+description = ""
++++

tests/front_matter.rs

@@ -53,10 +53,10 @@ authors = ["Bob", "Alice"]"#;
     assert_eq!(res.title, "Hello".to_string());
     assert_eq!(res.slug.unwrap(), "hello-world".to_string());
     let extra = res.extra.unwrap();
-    assert_eq!(extra.get("language").unwrap(), &to_value("en").unwrap());
+    assert_eq!(extra["language"], to_value("en").unwrap());
     assert_eq!(
-    extra.get("authors").unwrap(),
-    &to_value(["Bob".to_string(), "Alice".to_string()]).unwrap()
+        extra["authors"],
+        to_value(["Bob".to_string(), "Alice".to_string()]).unwrap()
     );
 }
 

tests/site.rs

@@ -22,6 +22,9 @@ fn test_can_parse_site() {
     assert_eq!(site.pages.len(), 10);
     let posts_path = path.join("content").join("posts");
 
+    // We have an index page
+    assert!(site.index.is_some());
+
     // Make sure we remove all the pwd + content from the sections
     let basic = &site.pages[&posts_path.join("simple.md")];
     assert_eq!(basic.components, vec!["posts".to_string()]);