Class: I27r::YamlDocument

Inherits:
Object
  • Object
show all
Defined in:
lib/generators/i18n/translation/lib/yaml.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(yaml = '') ⇒ YamlDocument

Returns a new instance of YamlDocument.



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# File 'lib/generators/i18n/translation/lib/yaml.rb', line 58

def initialize(yaml = '')
  @lines = yaml.split("\n").map {|s| Line.new s}
end

Instance Attribute Details

#root ⇒ Object

Returns the value of attribute root.



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# File 'lib/generators/i18n/translation/lib/yaml.rb', line 56

def root
  @root
end

Class Method Details

.load_yml_file(yml_path) ⇒ Object 



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# File 'lib/generators/i18n/translation/lib/yaml.rb', line 62

def self.load_yml_file(yml_path)
  if File.exists? yml_path
    self.new File.read(yml_path)
  else
    self.new
  end
end

Instance Method Details

#[](*path) ⇒ Object 



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# File 'lib/generators/i18n/translation/lib/yaml.rb', line 70

def [](*path)
  find_line_by_path(path.flatten).try :value
end

#[]=(*args) ⇒ Object 



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# File 'lib/generators/i18n/translation/lib/yaml.rb', line 110

def []=(*args)
  value = args.pop
  path = args.flatten
#       return if value && (value == self[path])

  line = find_line_by_path path.dup
  if line
    if line.generated?
      line.value = value
    end
  else
    line = find_line_by_path path, -1, true
    line.value = value
  end
end

#find_line_by_path(path, line_num = -1,, add_new = false) ⇒ Object 



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# File 'lib/generators/i18n/translation/lib/yaml.rb', line 74

def find_line_by_path(path, line_num = -1, add_new = false)
  key = path.shift
  indent = line_num == -1 ? '' : @lines[line_num].scan(/^ */).first + '  '
  @lines[(line_num + 1)..-1].each do |line|
    line_num += 1
    next unless line.yaml?

    if (line.indent == indent) && (line.key == key)
      if path.empty?
        return line
      else
        return find_line_by_path path, line_num, add_new
      end
    elsif line.indent < indent
      if add_new
        new_line = Line.new("#{indent}#{key}:", :generated => true)
        if @lines[line_num - 1].try(:text) == ''
          @lines.insert line_num - 1, new_line
        else
          @lines.insert line_num, new_line
        end
        return new_line if path.empty?
        return find_line_by_path path, line_num, add_new
      else
        return
      end
    end
  end
  if add_new
    new_line = Line.new("#{indent}#{key}:", :generated => true)
    @lines.insert @lines.count, new_line
    return new_line if path.empty?
    return find_line_by_path path, @lines.count - 1, add_new
  end
end

#to_s(add_blank_line = false) ⇒ Object 



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# File 'lib/generators/i18n/translation/lib/yaml.rb', line 126

def to_s(add_blank_line = false)
  previous_indent = ''
  ''.tap do |ret|
    @lines.each do |line|
      ret << "\n" if add_blank_line && (line.indent < previous_indent) && !line.to_s.blank? && !ret.ends_with?("\n\n")
      previous_indent = line.indent
      ret << line.to_s << "\n"
    end
  end
end