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Contents
module Hobo
module Lib
module Seed
class Replacer
# Matching files/directories to be excluded from replacements
EXCLUDES = ["\\.git/", "^./bin", "^./lib", "^./spec"]
def replace(path, tokens)
if tokens.instance_of? Hash
tokens = flat_hash(tokens)
elsif !tokens.instance_of? Array
raise "Invalid token list (expected Array or Hash)"
end
return search_replace(path, tokens)
end
private
def search_replace(path, tokens, &block)
require 'find'
files = []
excludes = Regexp.new(EXCLUDES.join("|"))
Find.find(path) do |candidate|
Find.prune if candidate =~ excludes # Skip excluded
next unless FileTest.file? candidate # Skip unless file
content = File.read(candidate)
next unless content.force_encoding("UTF-8").valid_encoding? # Skip unless file can be valid UTF-8
match = false
tokens.each do |token, replacement|
token = "{{#{token.join('.')}}}"
match = content.match(token)
if match
content.gsub!(token, replacement)
files.push(candidate)
end
end
File.write(candidate, content) if files.include? candidate
end
return files.uniq
end
# http://stackoverflow.com/questions/9647997/converting-a-nested-hash-into-a-flat-hash
def flat_hash(hash, k = [])
return {k => hash} unless hash.is_a?(Hash)
hash.inject({}) do |h, v|
h.merge! flat_hash(v[-1], k + [v[0]])
end
end
end
end
end
end
Version data entries
15 entries across 15 versions & 1 rubygems