From a3b86375c946299c9216412e10c5bcf5234c7fcd Mon Sep 17 00:00:00 2001
From: Marcin Chrzanowski <marcin.j.chrzanowski@gmail.com>
Date: Fri, 28 Jun 2019 19:12:42 +0200
Subject: Initial commit

---
 lib/blog.rb      | 33 +++++++++++++++++++++++++++++++++
 lib/pather.rb    | 38 ++++++++++++++++++++++++++++++++++++++
 lib/statics.rb   |  7 +++++++
 lib/templated.rb | 24 ++++++++++++++++++++++++
 4 files changed, 102 insertions(+)
 create mode 100644 lib/blog.rb
 create mode 100644 lib/pather.rb
 create mode 100644 lib/statics.rb
 create mode 100644 lib/templated.rb

(limited to 'lib')

diff --git a/lib/blog.rb b/lib/blog.rb
new file mode 100644
index 0000000..e4403a3
--- /dev/null
+++ b/lib/blog.rb
@@ -0,0 +1,33 @@
+require 'date'
+
+def parse_post filename
+  file_raw = File.read(src filename).force_encoding('UTF-8').split('---')
+  post = YAML.load file_raw[0]
+  post['content'] = file_raw[1].strip
+  post['filename'] = filename
+  post
+end
+
+def generate_blog_post post
+  ERB.new(File.read(src 'post-template.html.erb')).result binding
+end
+
+def posts
+  Dir.new(src 'blog').children.map do |filename|
+    post = parse_post "blog/#{filename}"
+  end.sort do |a, b|
+    Date.parse(b['date']) <=> Date.parse(a['date'])
+  end
+end
+
+def write_blog_files
+  posts.each do |post|
+    content = ERB.new(File.read(src 'post-template.html.erb')).result binding
+    write_templated content, post['filename'], head_title: post['title'], h1_title: 'Blog.'
+  end
+end
+
+def write_blog_archive
+  content = ERB.new(File.read(src 'blog.html.erb')).result
+  write_templated content, 'blog.html', title: 'Blog.'
+end
diff --git a/lib/pather.rb b/lib/pather.rb
new file mode 100644
index 0000000..5ce7d02
--- /dev/null
+++ b/lib/pather.rb
@@ -0,0 +1,38 @@
+class Pather
+  def initialize
+    @assets = {}
+    @current_path = []
+  end
+
+  def add asset_id, path
+    @assets[asset_id] = @current_path + path.split('/')
+  end
+
+  def path_to asset_id
+    other_path = @assets[asset_id]
+    find_path_between @current_path, other_path
+  end
+
+  def find_path_between from, to
+    from, to = drop_common_prefix from, to
+    path = ('../' * from.length) + to.join('/')
+  end
+
+  def drop_common_prefix path1, path2
+    common_prefix_length = path1.zip(path2).take_while do |(segment1, segment2)|
+      segment1 == segment2
+    end.length
+
+    return path1[common_prefix_length..], path2[common_prefix_length..]
+  end
+
+  def cd path
+    path.split('/').each do |segment|
+      if segment == '..'
+        @current_path.pop
+      else
+        @current_path.push segment
+      end
+    end
+  end
+end
diff --git a/lib/statics.rb b/lib/statics.rb
new file mode 100644
index 0000000..3865439
--- /dev/null
+++ b/lib/statics.rb
@@ -0,0 +1,7 @@
+def write_statics statics
+  statics = statics.map do | filename |
+    src filename
+  end
+
+  FileUtils.cp statics, BuildDir
+end
diff --git a/lib/templated.rb b/lib/templated.rb
new file mode 100644
index 0000000..a7e0d63
--- /dev/null
+++ b/lib/templated.rb
@@ -0,0 +1,24 @@
+def template
+  ERB.new(File.read(src 'template.html.erb'))
+end
+
+def write_templated_file content_filename, options
+  content = File.read(src content_filename)
+  write_templated content, content_filename, options
+end
+
+def write_templated_erb erb_filename, options
+  content = ERB.new(File.read(src erb_filename)).result
+  cut_filename = erb_filename.sub /\.erb$/, ''
+  write_templated content, cut_filename, options
+end
+
+# Options should include
+# head_title: used for <title> tag
+# h1_title: used for <h1> on top of page
+# title: used for both of the above, can be overridden with either
+def write_templated content, filename, options
+  head_title = options[:head_title] || options[:title] || ''
+  h1_title = options[:h1_title] || options[:title] || ''
+  File.write build(filename), template.result(binding)
+end
-- 
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