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# Copyright 2009 to 2025 Andrew Horton and Brendan Coles
#
# This file is part of WhatWeb.
#
# WhatWeb is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 2 of the License, or
# at your option) any later version.
#
# WhatWeb is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with WhatWeb. If not, see <http://www.gnu.org/licenses/>.
#
# Helper methods for output and conversion
#
module Helper
# converts Hash, Array, or String to UTF-8
def self.utf8_elements!(obj)
if obj.class == Hash
obj.each_value do |x|
utf8_elements!(x)
end
elsif obj.class == Array
obj.each do |x|
utf8_elements!(x)
end
elsif obj.class == String
convert_to_utf8(obj)
end
end
# Converts a string to UTF-8
def self.convert_to_utf8(str)
begin
if (str.frozen?)
str.dup.force_encoding("UTF-8").scrub
else
str.force_encoding("UTF-8").scrub
end
rescue => e
raise "Can't convert to UTF-8 #{e}"
end
end
#
# Takes an integer of certainty (between 1 - 100)
#
# returns String a word representing the certainty
#
def self.certainty_to_words(certainty)
case certainty
when 0..49
'maybe'
when 50..99
'probably'
when 100
'certain'
end
end
#
# Word wraps a string. Used by plugin_info and OutputVerbose.
#
# returns Array an array of lines.
#
def self.word_wrap(str, width = 10)
ret = []
line = ''
str.to_s.split.each do |word|
if line.size + word.size + 1 <= width
line += "#{word} "
next
end
ret << line
if word.size <= width
line = "#{word} "
next
end
line = ''
w = word.clone
while w.size > width
ret << w[0..(width - 1)]
w = w[width.to_i..-1]
end
ret << w unless w.empty?
end
ret << line unless line.empty?
ret
end
end
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