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require 'uri'
module Jekyll
module Filters
# Convert a Textile string into HTML output.
#
# input - The Textile String to convert.
#
# Returns the HTML formatted String.
def textilize(input)
site = @context.registers[:site]
converter = site.getConverterImpl(Jekyll::TextileConverter)
converter.convert(input)
end
# Convert a Markdown string into HTML output.
#
# input - The Markdown String to convert.
#
# Returns the HTML formatted String.
def markdownify(input)
site = @context.registers[:site]
converter = site.getConverterImpl(Jekyll::MarkdownConverter)
converter.convert(input)
end
# Format a date in short format e.g. "27 Jan 2011".
#
# date - the Time to format.
#
# Returns the formatting String.
def date_to_string(date)
date.strftime("%d %b %Y")
end
# Format a date in long format e.g. "27 January 2011".
#
# date - The Time to format.
#
# Returns the formatted String.
def date_to_long_string(date)
date.strftime("%d %B %Y")
end
# Format a date for use in XML.
#
# date - The Time to format.
#
# Examples
#
# date_to_xmlschema(Time.now)
# # => "2011-04-24T20:34:46+08:00"
#
# Returns the formatted String.
def date_to_xmlschema(date)
date.xmlschema
end
def xml_escape(input)
CGI.escapeHTML(input)
end
# CGI escape a string for use in a URL. Replaces any special characters
# with appropriate %XX replacements.
#
# input - The String to escape.
#
# Examples
#
# cgi_escape('foo,bar;baz?')
# # => "foo%2Cbar%3Bbaz%3F"
#
# Returns the escaped String.
def cgi_escape(input)
CGI::escape(input)
end
def uri_escape(input)
URI.escape(input)
end
# Count the number of words in the input string.
#
# input - The String on which to operate.
#
# Returns the Integer word count.
def number_of_words(input)
input.split.length
end
# Join an array of things into a string by separating with commes and the
# word "and" for the last one.
#
# array - The Array of Strings to join.
#
# Examples
#
# array_to_sentence_string(["apples", "oranges", "grapes"])
# # => "apples, oranges, and grapes"
#
# Returns the formatted String.
def array_to_sentence_string(array)
connector = "and"
case array.length
when 0
""
when 1
array[0].to_s
when 2
"#{array[0]} #{connector} #{array[1]}"
else
"#{array[0...-1].join(', ')}, #{connector} #{array[-1]}"
end
end
end
end
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