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module SDoc::Helpers
def each_letter_group(methods, &block)
group = {:name => '', :methods => []}
methods.sort{ |a, b| a.name <=> b.name }.each do |method|
gname = group_name method.name
if gname != group[:name]
yield group unless group[:methods].size == 0
group = {
:name => gname,
:methods => []
}
end
group[:methods].push(method)
end
yield group unless group[:methods].size == 0
end
# Strips out HTML tags from a given string.
#
# Example:
#
# strip_tags("<strong>Hello world</strong>") => "Hello world"
def strip_tags(text)
text.gsub(%r{</?[^>]+?>}, "")
end
# Truncates a given string. It tries to take whole sentences to have
# a meaningful description for SEO tags.
#
# The only available option is +:length+ which defaults to 200.
def truncate(text, options = {})
if text
length = options.fetch(:length, 200)
stop = text.rindex(".", length - 1) || length
"#{text[0, stop]}."
end
end
protected
def group_name name
if match = name.match(/^([a-z])/i)
match[1].upcase
else
'#'
end
end
end
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