Syntax highlighting support

app/assets/javascripts/pastemaster.coffee

@@ -10,6 +10,6 @@ $ ->
   $contents.focus()
 
   # Binding submit event to new button
-  $button.on 'click', ->
+  $button.on 'mouseup', ->
     $form.submit()
     false

app/assets/stylesheets/pastemaster.styl

@@ -2,11 +2,11 @@
 
 body, input, select {
   font-family: Helvetica, Arial, sans-serif;
-  font-size: 1.2em;
+  font-size: 1em;
 }
 textarea, pre {
   font-family: Consolas, Menlo, Monaco, Lucida Console, Liberation Mono, DejaVu Sans Mono, Bitstream Vera Sans Mono, Courier New, monospace, serif;
-  font-size: 1.2em;
+  font-size: 1em;
 }
 html, body, form {
   height: 100%;
@@ -27,6 +27,14 @@ h1 {
   text-transform: uppercase;
   color: #ccc;
 }
+.linenos {
+  padding-right: .5em;
+  color: #ccc;
+  border-right: #eee 1px solid;
+}
+.code {
+  padding-left: .5em;
+}
 
 .container {
   width: 100%;

app/paste.rb

@@ -1,20 +1,21 @@
 class Paste
-  attr_reader :contents
+  attr_reader :contents, :type
 
   class << self
     def find(id)
       record = DB[:pastes].where(id: id).first
-      record ? new(record[:contents]) : nil
+      record ? new(record[:contents], record[:type]) : nil
     end
   end
 
-  def initialize(contents)
+  def initialize(contents, type = nil)
     @contents = contents
+    @type = type
   end
 
   def save
     encrypt!
-    DB[:pastes].insert(contents: contents)
+    DB[:pastes].insert(contents: contents, type: type)
   end
 
   def decrypt(key)
@@ -34,4 +35,16 @@ class Paste
   def decrypt!
     @contents = Encryptor.decrypt(value: Base64.decode64(contents), key: key)
   end
+
+  def highlighted
+    Pygments.highlight(@contents, lexer: 'ruby', options: { linenos: 'table' })
+  end
+
+  def paragraph
+    "<pre>#{@contents}</pre>"
+  end
+
+  def html
+    type ? highlighted : paragraph
+  end
 end

pastemaster.rb

@@ -11,6 +11,7 @@ require 'slim'
 require 'coffee_script'
 require 'stylus'
 require 'stylus/tilt'
+require 'pygments'
 
 require 'lib/error_pages'
 require 'lib/assets'
@@ -46,8 +47,9 @@ class Pastemaster < Sinatra::Application
 
     begin
       @paste.decrypt(params[:key])
+
       slim :show, layout: :default
-    rescue => Error
+    rescue OpenSSL::Cipher::CipherError
       forbidden
     end
   end

public/pygments_solarized_modified.css

@@ -0,0 +1,69 @@
+/* .highlight { background-color: #ffffcc } */
+.highlight .c { color: #586E75 } /* Comment */
+.highlight .err { color: #538181 } /* Error */
+.highlight .g { color: #538181 } /* Generic */
+.highlight .k { color: #859900 } /* Keyword */
+.highlight .l { color: #538181 } /* Literal */
+.highlight .n { color: #538181 } /* Name */
+.highlight .o { color: #859900 } /* Operator */
+.highlight .x { color: #CB4B16 } /* Other */
+.highlight .p { color: #538181 } /* Punctuation */
+.highlight .cm { color: #586E75 } /* Comment.Multiline */
+.highlight .cp { color: #859900 } /* Comment.Preproc */
+.highlight .c1 { color: #586E75 } /* Comment.Single */
+.highlight .cs { color: #859900 } /* Comment.Special */
+.highlight .gd { color: #2AA198 } /* Generic.Deleted */
+.highlight .ge { color: #538181; font-style: italic } /* Generic.Emph */
+.highlight .gr { color: #DC322F } /* Generic.Error */
+.highlight .gh { color: #CB4B16 } /* Generic.Heading */
+.highlight .gi { color: #859900 } /* Generic.Inserted */
+.highlight .go { color: #538181 } /* Generic.Output */
+.highlight .gp { color: #538181 } /* Generic.Prompt */
+.highlight .gs { color: #538181; font-weight: bold } /* Generic.Strong */
+.highlight .gu { color: #CB4B16 } /* Generic.Subheading */
+.highlight .gt { color: #538181 } /* Generic.Traceback */
+.highlight .kc { color: #CB4B16 } /* Keyword.Constant */
+.highlight .kd { color: #268BD2 } /* Keyword.Declaration */
+.highlight .kn { color: #859900 } /* Keyword.Namespace */
+.highlight .kp { color: #859900 } /* Keyword.Pseudo */
+.highlight .kr { color: #268BD2 } /* Keyword.Reserved */
+.highlight .kt { color: #DC322F } /* Keyword.Type */
+.highlight .ld { color: #538181 } /* Literal.Date */
+.highlight .m { color: #2AA198 } /* Literal.Number */
+.highlight .s { color: #2AA198 } /* Literal.String */
+.highlight .na { color: #538181 } /* Name.Attribute */
+.highlight .nb { color: #B58900 } /* Name.Builtin */
+.highlight .nc { color: #268BD2 } /* Name.Class */
+.highlight .no { color: #CB4B16 } /* Name.Constant */
+.highlight .nd { color: #268BD2 } /* Name.Decorator */
+.highlight .ni { color: #CB4B16 } /* Name.Entity */
+.highlight .ne { color: #CB4B16 } /* Name.Exception */
+.highlight .nf { color: #268BD2 } /* Name.Function */
+.highlight .nl { color: #538181 } /* Name.Label */
+.highlight .nn { color: #538181 } /* Name.Namespace */
+.highlight .nx { color: #538181 } /* Name.Other */
+.highlight .py { color: #538181 } /* Name.Property */
+.highlight .nt { color: #268BD2 } /* Name.Tag */
+.highlight .nv { color: #268BD2 } /* Name.Variable */
+.highlight .ow { color: #859900 } /* Operator.Word */
+.highlight .w { color: #538181 } /* Text.Whitespace */
+.highlight .mf { color: #2AA198 } /* Literal.Number.Float */
+.highlight .mh { color: #2AA198 } /* Literal.Number.Hex */
+.highlight .mi { color: #2AA198 } /* Literal.Number.Integer */
+.highlight .mo { color: #2AA198 } /* Literal.Number.Oct */
+.highlight .sb { color: #586E75 } /* Literal.String.Backtick */
+.highlight .sc { color: #2AA198 } /* Literal.String.Char */
+.highlight .sd { color: #538181 } /* Literal.String.Doc */
+.highlight .s2 { color: #2AA198 } /* Literal.String.Double */
+.highlight .se { color: #CB4B16 } /* Literal.String.Escape */
+.highlight .sh { color: #538181 } /* Literal.String.Heredoc */
+.highlight .si { color: #2AA198 } /* Literal.String.Interpol */
+.highlight .sx { color: #2AA198 } /* Literal.String.Other */
+.highlight .sr { color: #DC322F } /* Literal.String.Regex */
+.highlight .s1 { color: #2AA198 } /* Literal.String.Single */
+.highlight .ss { color: #2AA198 } /* Literal.String.Symbol */
+.highlight .bp { color: #268BD2 } /* Name.Builtin.Pseudo */
+.highlight .vc { color: #268BD2 } /* Name.Variable.Class */
+.highlight .vg { color: #268BD2 } /* Name.Variable.Global */
+.highlight .vi { color: #268BD2 } /* Name.Variable.Instance */
+.highlight .il { color: #2AA198 } /* Literal.Number.Integer.Long */

views/default.slim

@@ -4,6 +4,7 @@ html
     title Pastemaster
     link rel="stylesheet" href="/normalize.css?v2.1.2"
     link rel="stylesheet" href="/assets/pastemaster.css?r1"
+    link rel="stylesheet" href="/pygments_solarized_modified.css?r1"
   body
     h1
       strong Paste

views/form.slim

@@ -1,4 +1,4 @@
 form#pasteform action="/" method="post" accept-charset="UTF-8"
   textarea#contents name="contents"
   input#submitbtn type="submit" value="Save"
-  a#submitlnk href="" role="submit" Save
+  a#submitlnk href="#" role="submit" Save

views/show.slim

@@ -1 +1 @@
-pre= @paste.contents
+== @paste.html