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Contents
require 'erb'
module Mccloud
class Mccloudfile
attr_accessor :path
attr_accessor :sections
def initialize(path)
# Path to the file
@path=path
end
def exists?
return File.exists?(@path)
end
# Bindings in ERB http://www.stuartellis.eu/articles/erb/
# Links:
# * Trimming whitespace in ERB
# http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-talk/242656
# * Appending to ERB output
# http://blog.jayfields.com/2007/01/appending-to-erb-output-from-block.html
def uncomment(selection)
cur_pos=@output.length
yield
new_pos=@output.length
if exclude_section?(selection)
# Extract the block
block_text=@output[cur_pos..new_pos]
# Remove the block
@output[cur_pos..new_pos]=''
# Comment the block, with leading spaces into account
block_text.gsub!(/^(\s)*/,'\1# ')
# Re-insert the block
@output=@output.insert cur_pos, block_text
end
end
def exclude_section?(section)
section.each do |s|
return false if @sections.include?(s)
end
return true
end
def generate(options={:force => false})
force=options[:force]
provider=options[:provider]
raise Mccloud::Error, "You need to specify a provider to generate a Mccloudfile" if provider.nil?
@sections=[provider.to_sym]
# We need at least one provider
if exists? && force==false
raise Mccloud::Error, "Error Mccloudfile already exists."
else
begin
File.open(@path,'w'){ |f| f.write(self.to_s)}
rescue Exception => ex
raise Mccloud::Error, "Error saving Mccloudfile: #{ex}"
end
end
end
def to_s
template=File.new(File.join(File.dirname(__FILE__),"templates","Mccloudfile.erb")).read
result=::ERB.new(template,nil,"-","@output").result(binding)
return result
end
end
end
Version data entries
16 entries across 16 versions & 1 rubygems