1 files changed, 16 insertions, 6 deletions

diff --git a/src/site.rs b/src/site.rs
index 64b9602..ebbd339 100644
--- a/src/site.rs
+++ b/src/site.rs
@@ -44,7 +44,7 @@ pub struct Site {
     patterns: TokenPatterns,
     shortcuts: HashMap<String, Shortcut>,
     name_builder: NameBuilder,
-    pages: Vec<Page>,
+    unprocessed_pages: HashMap<PathBuf, Page>,
     markdown_pages: HashMap<PathBuf, MarkdownPage>,
     pages_that_will_exist: PageSet,
     files: Names,
@@ -60,7 +60,7 @@ impl Site {
     {
         Self {
             name_builder: NameBuilder::new(srcdir.as_ref(), destdir.as_ref()),
-            pages: vec![],
+            unprocessed_pages: HashMap::new(),
             markdown_pages: HashMap::new(),
             files: Names::default(),
             patterns: TokenPatterns::default(),
@@ -99,7 +99,8 @@ impl Site {
         page.prepare(self)?;
         let page = Page::new(page.meta().clone(), page);
 
-        self.pages.push(page);
+        self.unprocessed_pages
+            .insert(page.meta().path().into(), page);
 
         Ok(())
     }
@@ -121,7 +122,7 @@ impl Site {
     }
 
     fn process_page(&mut self) -> Result<bool, SiteError> {
-        if let Some(page) = self.pages.pop() {
+        if let Some(page) = self.pick_unprocessed_page() {
             debug!(
                 "processing unprocessed page {}",
                 page.meta().path().display()
@@ -135,8 +136,17 @@ impl Site {
         }
     }
 
-    pub fn markdown_pages(&self) -> impl Iterator<Item=&MarkdownPage> {
-        self.markdown_pages.iter().map(|(_, md)| md)
+    fn pick_unprocessed_page(&mut self) -> Option<Page> {
+        let mut keys: Vec<PathBuf> = self.unprocessed_pages.keys().map(|k| k.into()).collect();
+        if let Some(path) = keys.pop() {
+            self.unprocessed_pages.remove(&path)
+        } else {
+            None
+        }
+    }
+
+    pub fn markdown_pages(&self) -> impl Iterator<Item = &MarkdownPage> {
+        self.markdown_pages.values()
     }
 
     pub fn files_only(&self) -> impl Iterator<Item = &Name> {