Sha256: 9f7210f5f4f37aaf1133f23205291ba663c93834e6453139515c1e83e6e28278
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Size: 1.83 KB
Versions: 32
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Contents
require "juicer/chainable"
# Merge several files into one single output file
module Juicer
module Merger
class Base
include Chainable
attr_accessor :dependency_resolver
attr_reader :files
def initialize(files = [], options = {})
@files = []
@root = nil
@options = options
@dependency_resolver ||= nil
self.append files
end
#
# Append contents to output. Resolves dependencies and adds
# required files recursively
# file = A file to add to merged content
#
def append(file)
return file.each { |f| self << f } if file.class == Array
return if @files.include?(file)
if !@dependency_resolver.nil?
path = File.expand_path(file)
resolve_dependencies(path)
elsif !@files.include?(file)
@files << file
end
end
alias_method :<<, :append
#
# Save the merged contents. If a filename is given the new file is
# written. If a stream is provided, contents are written to it.
#
def save(file_or_stream)
output = file_or_stream
if output.is_a? String
@root = Pathname.new(File.dirname(File.expand_path(output)))
output = File.open(output, 'w')
else
@root = Pathname.new(File.expand_path("."))
end
@files.each do |f|
output.puts(merge(f))
end
output.close if file_or_stream.is_a? String
end
chain_method :save
private
def resolve_dependencies(file)
@files.concat @dependency_resolver.resolve(file)
@files.uniq!
end
# Fetch contents of a single file. May be overridden in subclasses to provide
# custom content filtering
def merge(file)
IO.read(file) + "\n"
end
end
end
end
Version data entries
32 entries across 32 versions & 3 rubygems