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Versions: 33
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Contents
require 'tempfile'
require 'ftools'
module RSCM
module LineEditor
# Comments out line by line if they match the line_regex.
# Does not comment out already commented out lines.
# If comment_template is nil, the matching lines will be deleted
# Returns true if at least one line is commented out or changed
def comment_out(original, line_regex, comment_template, output)
did_comment_out = false
already_commented_exp = /^[#{comment_template}]/ unless comment_template.nil?
original.each_line do |line|
out_line = nil
if(line_regex =~ line)
if(already_commented_exp && already_commented_exp =~ line)
out_line = line
else
did_comment_out = true
out_line = "#{comment_template}#{line}" unless comment_template.nil?
end
else
out_line = line
end
output << out_line unless out_line.nil?
end
did_comment_out
end
module_function :comment_out
end
end
class File
def File.comment_out(path, line_regex, comment_template)
temp_file = Tempfile.new(File.basename(path))
temp_file_path = temp_file.path
original = File.new(path)
RSCM::LineEditor.comment_out(original, line_regex, comment_template, temp_file)
temp_file.close
original.close
File.copy(temp_file_path, path)
end
end
Version data entries
33 entries across 33 versions & 3 rubygems