42 lines
1.1 KiB
Ruby
42 lines
1.1 KiB
Ruby
|
# Title: Simple Image tag for Jekyll
|
||
|
|
# Author: Brandon Mathis http://brandonmathis.com
|
||
|
|
# Description: Easily output images with optional class names and title/alt attributes
|
||
|
|
#
|
||
|
|
# Syntax {% image [class name(s)] url [title text] %}
|
||
|
|
#
|
||
|
|
# Example:
|
||
|
|
# {% imaeg left half http://site.com/images/ninja.png Ninja Attack! %}
|
||
|
|
#
|
||
|
|
# Output:
|
||
|
|
# <image class='left' src="http://site.com/images/ninja.png" title="Ninja Attack!" alt="Ninja Attack!">
|
||
|
|
#
|
||
|
|
|
||
|
|
module Jekyll
|
||
|
|
|
||
|
|
class ImageTag < Liquid::Tag
|
||
|
|
@img = nil
|
||
|
|
@title = nil
|
||
|
|
@class = ''
|
||
|
|
|
||
|
|
def initialize(tag_name, markup, tokens)
|
||
|
|
if markup =~ /(\S.*\s+)?(https?:\/\/|\/)(\S+)(\s+.+)?/i
|
||
|
|
@class = $1
|
||
|
|
@img = $2 + $3
|
||
|
|
@title = $4
|
||
|
|
end
|
||
|
|
super
|
||
|
|
end
|
||
|
|
|
||
|
|
def render(context)
|
||
|
|
output = super
|
||
|
|
if @img
|
||
|
|
figure = "<img class='#{@class}' src='#{@img}' alt='#{@title}' title='#{@title}'>"
|
||
|
|
else
|
||
|
|
"Error processing input, expected syntax: {% img [class name(s)] /url/to/image [title text] %}"
|
||
|
|
end
|
||
|
|
end
|
||
|
|
end
|
||
|
|
end
|
||
|
|
|
||
|
|
Liquid::Template.register_tag('img', Jekyll::ImageTag)
|