add support for multiple files in repository

see #59

README.md

@@ -379,12 +379,19 @@ Postscript files of your papers, you can use the configuration option
 `repository` to indicate this directory. When generating bibliographies,
 Jekyll-Scholar will look in that folder to see if it contains a filename
 matching each entry's BibTeX key: if it does, the path to that file
-will be exposed to the bibliography template.
+will be exposed to the bibliography template as the `link` property.
+
+Since version 4.1.0 repositories are not limited to PDF and PS files.
+These files are mapped to the `links` property in your bibliography
+template. Here is an example of template that utilizes this feature
+to link to supporting material in a ZIP archive:
+
+    {{ reference }} [<a href="{{links.zip}}">Supporting Materials</a>]
 
 ### Detail Pages
 
 If your layouts directory contains a layout file for bibliography details
-(the 'details_layout' configuration options), Jekyll-Scholar will generate
+(the `details_layout` configuration options), Jekyll-Scholar will generate
 a details page for each entry in you main bibliography. That is to say, if
 your bibliography contains the following entry:
 
@@ -437,8 +444,8 @@ configuration option. For example:
     query: "@book" #=> includes only books
     query: "@article[year>=2003]" #=> includes only articles published 2003 or later
     query: "@*[url]" #=> includes all entries with a url field
-    query: "@*[status!=review]" #=> includes all entries whose status field is not set to 'review' 
-    query: "@book[year <= 1900 && author ^= Poe]" #=> Books published before 1900 where the author matches /Poe/ 
+    query: "@*[status!=review]" #=> includes all entries whose status field is not set to 'review'
+    query: "@book[year <= 1900 && author ^= Poe]" #=> Books published before 1900 where the author matches /Poe/
     query: "!@book" #=> includes all entries with a type other than book
 
 Please note that some of these queries require BibTeX-Ruby 2.3.0 or

features/repository.feature

@@ -25,12 +25,16 @@ Feature: PDF Repository
       """
       The PDF
       """
+    And I have a file "papers/ruby.ppt":
+      """
+      The PPT
+      """
     And I have a "_layouts" directory
     And I have a file "_layouts/bibliography.html":
       """
       ---
       ---
-      {{ reference }} Link: {{ link }}
+      {{ reference }} Link: {{ link }} Slides: {{ links.ppt }}
       """
     And I have a page "scholar.html":
       """
@@ -43,6 +47,7 @@ Feature: PDF Repository
     And the "_site/papers/ruby.pdf" file should exist
     And I should see "The Ruby Programming Language" in "_site/scholar.html"
     And I should see "Link: /papers/ruby.pdf" in "_site/scholar.html"
+    And I should see "Slides: /papers/ruby.ppt" in "_site/scholar.html"
 
 
 

lib/jekyll/scholar/utilities.rb

@@ -151,11 +151,16 @@ module Jekyll
       end
 
       def load_repository
-        return {} unless repository?
+        repo = Hash.new { |h,k| h[k] = {} }
 
-        Hash[Dir[File.join(repository_path, '**/*.{pdf,ps}')].map { |path|
-          [File.basename(path).sub(/\.(pdf|ps)$/, ''), path]
-        }]
+        return repo unless repository?
+
+        Dir[File.join(repository_path, '**/*')].each do |path|
+          extname = File.extname(path)
+          repo[File.basename(path, extname)][extname[1..-1]] = path
+        end
+
+        repo
       end
 
       def repository_path
@@ -241,6 +246,7 @@ module Jekyll
           'key' => entry.key,
           'type' => entry.type.to_s,
           'link' => repository_link_for(entry),
+          'links' => repository_links_for(entry),
           'index' => index,
           'details' => details_link_for(entry)
         })
@@ -281,12 +287,20 @@ module Jekyll
       end
 
       def repository_link_for(entry, base = base_url)
-        url = repository[entry.key]
+        links = repository[entry.key]
+        url   = links['pdf'] || links['ps']
+
         return unless url
 
         File.join(base, url)
       end
 
+      def repository_links_for(entry, base = base_url)
+        Hash[repository[entry.key].map { |ext, url|
+          [ext, File.join(base, url)]
+        }]
+      end
+
       def details_link_for(entry, base = base_url)
         File.join(base, details_path, details_file_for(entry))
       end