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module Utils
module FileHelper
def binary?(string)
string.each_byte do |x|
x.nonzero? or return true
end
false
end
def image?
mime_type =~ /image/
end
def text?
mime_type =~ /application|text/ && !binary?(data)
end
end
module CharEncode
def encode(string)
cd = CharDet.detect(string)
if cd.confidence > 0.6
string.force_encoding(cd.encoding)
end
string.encode("utf-8", :undef => :replace, :replace => "?", :invalid => :replace)
rescue
"Invalid code encoding"
end
end
module Colorize
include CharEncode
def colorize
system_colorize(data, name)
end
def system_colorize(data, file_name)
ft = handle_file_type(file_name)
Pygments.highlight(encode(data), :lexer => ft, :options => { :encoding => 'utf-8', :linenos => 'True' })
end
def handle_file_type(file_name, mime_type = nil)
case file_name
when /(\.pl|\.scala|\.java|\.haml|\.jade|\.scaml|\.html|\.sass|\.scss|\.php|\.erb)$/
$1[1..-1].to_sym
when /(\.c|\.h|\.idc)$/
:c
when /(\.cpp|\.hpp|\.c++|\.h++|\.cc|\.hh|\.cxx|\.hxx)$/
:cpp
when /(\.rb|\.ru|\.rake|Rakefile|\.gemspec|\.rbx|Gemfile)$/
:ruby
when /(\.py|\.pyw|\.sc|SConstruct|SConscript|\.tac)$/
:python
when /(\.js|\.json)$/
:javascript
when /(\.xml|\.xsl|\.rss|\.xslt|\.xsd|\.wsdl)$/
:xml
when /(\.vm|\.fhtml)$/
:velocity
when /\.sh$/
:bash
when /\.coffee$/
:coffeescript
when /(\.yml|\.yaml)$/
:yaml
when /\.md$/
:minid
else
:text
end
end
end
end
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