module Bundler::YAMLSerializer - bundler-1.15.4 Documentation

# module Bundler::YAMLSerializer

A stub yaml serializer that can handle only hashes and strings (as of now).

### Constants

ARRAY_REGEX
HASH_REGEX

### Public Instance Methods

convert_to_backward_compatible_key(key) click to toggle source

for settings' keys

    # File lib/bundler/yaml_serializer.rb, line 79
    def convert_to_backward_compatible_key(key)
      key = "#{key}/" if key =~ /https?:/i && key !~ %r{/\Z}
      key = key.gsub(".", "__") if key.include?(".")
      key
    end

dump(hash) click to toggle source

    # File lib/bundler/yaml_serializer.rb, line 7
    def dump(hash)
      yaml = String.new("---")
      yaml << dump_hash(hash)
    end

dump_hash(hash) click to toggle source

    # File lib/bundler/yaml_serializer.rb, line 12
    def dump_hash(hash)
      yaml = String.new("\n")
      hash.each do |k, v|
        yaml << k << ":"
        if v.is_a?(Hash)
          yaml << dump_hash(v).gsub(/^(?!$)/, "  ") # indent all non-empty lines
        elsif v.is_a?(Array) # Expected to be array of strings
          yaml << "\n- " << v.map {|s| s.to_s.gsub(/\s+/, " ").inspect }.join("\n- ") << "\n"
        else
          yaml << " " << v.to_s.gsub(/\s+/, " ").inspect << "\n"
        end
      end
      yaml
    end

load(str) click to toggle source

    # File lib/bundler/yaml_serializer.rb, line 49
    def load(str)
      res = {}
      stack = [res]
      last_hash = nil
      last_empty_key = nil
      str.split(/\r?\n/).each do |line|
        if match = HASH_REGEX.match(line)
          indent, key, _, val = match.captures
          key = convert_to_backward_compatible_key(key)
          depth = indent.scan(/  /).length
          if val.empty?
            new_hash = {}
            stack[depth][key] = new_hash
            stack[depth + 1] = new_hash
            last_empty_key = key
            last_hash = stack[depth]
          else
            stack[depth][key] = val
          end
        elsif match = ARRAY_REGEX.match(line)
          _, val = match.captures
          last_hash[last_empty_key] = [] unless last_hash[last_empty_key].is_a?(Array)

          last_hash[last_empty_key].push(val)
        end
      end
      res
    end