Class: Twine::TwineFile

Inherits:
Object
  • Object
show all
Defined in:
lib/twine/twine_file.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ TwineFile

Returns a new instance of TwineFile.



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# File 'lib/twine/twine_file.rb', line 79

def initialize
  @sections = []
  @definitions_by_key = {}
  @language_codes = []
end

Instance Attribute Details

#definitions_by_key ⇒ Object (readonly)

Returns the value of attribute definitions_by_key.



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# File 'lib/twine/twine_file.rb', line 67

def definitions_by_key
  @definitions_by_key
end

#language_codes ⇒ Object (readonly)

Returns the value of attribute language_codes.



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# File 'lib/twine/twine_file.rb', line 68

def language_codes
  @language_codes
end

#sections ⇒ Object (readonly)

Returns the value of attribute sections.



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# File 'lib/twine/twine_file.rb', line 66

def sections
  @sections
end

Instance Method Details

#add_language_code(code) ⇒ Object 



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# File 'lib/twine/twine_file.rb', line 85

def add_language_code(code)
  if @language_codes.length == 0
    @language_codes << code
  elsif !@language_codes.include?(code)
    dev_lang = @language_codes[0]
    @language_codes << code
    @language_codes.delete(dev_lang)
    @language_codes.sort!
    @language_codes.insert(0, dev_lang)
  end
end

#read(path) ⇒ Object 



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# File 'lib/twine/twine_file.rb', line 102

def read(path)
  if !File.file?(path)
    raise Twine::Error.new("File does not exist: #{path}")
  end

  File.open(path, 'r:UTF-8') do |f|
    line_num = 0
    current_section = nil
    current_definition = nil
    while line = f.gets
      parsed = false
      line.strip!
      line_num += 1

      if line.length == 0
        next
      end

      if line.length > 4 && line[0, 2] == '[['
        match = /^\[\[(.+)\]\]$/.match(line)
        if match
          current_section = TwineSection.new(match[1])
          @sections << current_section
          parsed = true
        end
      elsif line.length > 2 && line[0, 1] == '['
        key = match_key(line)
        if key
          current_definition = TwineDefinition.new(key)
          @definitions_by_key[current_definition.key] = current_definition
          if !current_section
            current_section = TwineSection.new('')
            @sections << current_section
          end
          current_section.definitions << current_definition
          parsed = true
        end
      else
        match = /^([^=]+)=(.*)$/.match(line)
        if match
          key = match[1].strip
          value = match[2].strip
          
          value = value[1..-2] if value[0] == '`' && value[-1] == '`'

          case key
          when 'comment'
            current_definition.comment = value
          when 'tags'
            current_definition.tags = value.split(',')
          when 'ref'
            current_definition.reference_key = value if value
          else
            if !@language_codes.include? key
              add_language_code(key)
            end
            current_definition.translations[key] = value
          end
          parsed = true
        end
      end

      if !parsed
        raise Twine::Error.new("Unable to parse line #{line_num} of #{path}: #{line}")
      end
    end
  end

  # resolve_references
  @definitions_by_key.each do |key, definition|
    next unless definition.reference_key
    definition.reference = @definitions_by_key[definition.reference_key]
  end
end

#set_developer_language_code(code) ⇒ Object 



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# File 'lib/twine/twine_file.rb', line 97

def set_developer_language_code(code)
  @language_codes.delete(code)
  @language_codes.insert(0, code)
end

#write(path) ⇒ Object 



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# File 'lib/twine/twine_file.rb', line 177

def write(path)
  dev_lang = @language_codes[0]

  File.open(path, 'w:UTF-8') do |f|
    @sections.each do |section|
      if f.pos > 0
        f.puts ''
      end

      f.puts "[[#{section.name}]]"

      section.definitions.each do |definition|
        f.puts "\t[#{definition.key}]"

        value = write_value(definition, dev_lang, f)
        if !value && !definition.reference_key
          Twine::stdout.puts "WARNING: #{definition.key} does not exist in developer language '#{dev_lang}'"
        end
        
        if definition.reference_key
          f.puts "\t\tref = #{definition.reference_key}"
        end
        if definition.tags && definition.tags.length > 0
          tag_str = definition.tags.join(',')
          f.puts "\t\ttags = #{tag_str}"
        end
        if definition.raw_comment and definition.raw_comment.length > 0
          f.puts "\t\tcomment = #{definition.raw_comment}"
        end
        @language_codes[1..-1].each do |lang|
          write_value(definition, lang, f)
        end
      end
    end
  end
end