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Size: 1.89 KB
Versions: 12
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Stored size: 1.89 KB
Contents
class Card
class Content
# tools for truncating content
module Truncate
ELLIPSES_HTML = '<span class="closed-content-ellipses">...</span>'.freeze
def smart_truncate input, words=25
return if input.nil?
truncated, wordstring = truncate input, words
# nuke partial tags at end of snippet
wordstring.gsub!(/(<[^>]+)$/, "")
wordstring = close_tags wordstring
wordstring += ELLIPSES_HTML if truncated
# wordstring += '...' if wordlist.length > l
polish wordstring
end
private
def truncate input, words
wordlist = input.to_s.split
l = words.to_i - 1
l = 0 if l.negative?
truncating = wordlist.length > l
wordstring = truncating ? wordlist[0..l].join(" ") : input.to_s
[truncating, wordstring]
end
def close_tags wordstring
tags = find_tags wordstring
tags.each { |t| wordstring += "</#{t}>" }
wordstring
end
def polish wordstring
wordstring.gsub! %r{</?br[\s/]*>}, " "
# Also a hack -- get rid of <br>'s -- they make line view ugly.
wordstring.gsub! %r{</?p[^>]*>}, " "
## Also a hack -- get rid of <br>'s -- they make line view ugly.
wordstring
end
def find_tags wordstring
tags = []
# match tags with or without self closing (ie. <foo />)
wordstring.scan(%r{<([^>\s/]+)[^>]*?>}).each do |t|
tags.unshift(t[0])
end
# match tags with self closing and mark them as closed
wordstring.scan(%r{<([^>\s/]+)[^>]*?/>}).each do |t|
next unless (x = tags.index(t[0]))
tags.slice!(x)
end
# match close tags
wordstring.scan(%r{</([^>\s/]+)[^>]*?>}).each do |t|
next unless (x = tags.rindex(t[0]))
tags.slice!(x)
end
tags
end
end
end
end
Version data entries
12 entries across 12 versions & 1 rubygems