# Interfaces with aspell and returns results ready for FCKeditor-friendly javascript
class FckeditorSpellCheck
cattr_accessor :language
@@language ||= "en_US"
# call aspell and retrieve the results
def self.check_spelling(text)
if RUBY_PLATFORM =~ /mswin/i
aspell_program = 'c:\program files\aspell\bin\aspell' # windows
else
aspell_program = 'aspell' # every other OS on the planet
end
# call aspell
command = "\"#{aspell_program}\" -a --lang=#{language} --encoding=utf-8 -H 2>&1"
RAILS_DEFAULT_LOGGER.info("Running spell check: #{command}")
output = IO.popen(command, 'r+') {|io| io.puts(text); io.close_write; io.read }
# return an array of results
output.split("\n").collect {|line| parse_aspell_line(line) }.compact
end
private
# return a 2-D array of results, where each element in the array has a pair
# of values: [ escaped word, comma separted list of escaped suggestions ]
def self.parse_aspell_line(line)
if line =~ /^&/
details = line.split(' ', 5)
[ escape(details[1]), get_suggestions(details[4]) ]
end
end
# quote and escape the individual suggestions
def self.get_suggestions(value)
value.split(', ').collect {|x| "'#{escape(x)}'"}.join(', ')
end
# properly escape single-quote for javascript
def self.escape(x)
x.gsub(/'/, '\\\\\'')
end
end
