Module: Phlex::SGML::Attributes

Defined in:
lib/phlex/opal_compat.rb

Class Method Summary collapse

Class Method Details

.__homura_generate_attributes__ ⇒ Object 



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# File 'lib/phlex/opal_compat.rb', line 317

alias __homura_generate_attributes__ generate_attributes

.__homura_generate_nested_attributes__ ⇒ Object 



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# File 'lib/phlex/opal_compat.rb', line 318

alias __homura_generate_nested_attributes__ generate_nested_attributes

.generate_attributes(attributes, buffer = Phlex::OpalBuffer.new) ⇒ Object 



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# File 'lib/phlex/opal_compat.rb', line 320

def generate_attributes(attributes, buffer = Phlex::OpalBuffer.new)
  __homura_generate_attributes__(attributes, buffer)
end

.generate_nested_attributes(attributes, base_name, buffer = Phlex::OpalBuffer.new) ⇒ Object 



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# File 'lib/phlex/opal_compat.rb', line 324

def generate_nested_attributes(attributes, base_name, buffer = Phlex::OpalBuffer.new)
  __homura_generate_nested_attributes__(attributes, base_name, buffer)
end

.generate_nested_tokens(tokens, sep = " ", gsub_from = nil, gsub_to = "") ⇒ Object 



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# File 'lib/phlex/opal_compat.rb', line 328

def generate_nested_tokens(tokens, sep = " ", gsub_from = nil, gsub_to = "")
  buffer = Phlex::OpalBuffer.new

  i, length = 0, tokens.length

  while i < length
    token = tokens[i]

    case token
    when String
      token = token.gsub(gsub_from, gsub_to) if gsub_from
      i > 0 ? buffer << sep << token : buffer << token
    when Symbol
      value = token.name.tr("_", "-")
      i > 0 ? buffer << sep << value : buffer << value
    when Integer, Float, Phlex::SGML::SafeObject
      i > 0 ? buffer << sep << token.to_s : buffer << token.to_s
    when Array
      if token.length > 0 && (value = generate_nested_tokens(token, sep, gsub_from, gsub_to))
        i > 0 ? buffer << sep << value : buffer << value
      end

    when Set
      if token.length > 0 && (value = generate_nested_tokens(token.to_a, sep, gsub_from, gsub_to))
        i > 0 ? buffer << sep << value : buffer << value
      end

    when nil
      nil
    else
      raise Phlex::ArgumentError.new("Invalid token type: #{token.class}.")
    end

    i += 1
  end

  return if buffer.empty?

  buffer.gsub("\"", "&quot;")
end

.generate_styles(styles) ⇒ Object 



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# File 'lib/phlex/opal_compat.rb', line 369

def generate_styles(styles)
  case styles
  when Array, Set
    styles
      .filter_map do |s|
        case s
        when String
          s == "" || s.end_with?(";") ? s : "#{s};"
        when Phlex::SGML::SafeObject
          value = s.to_s
          value.end_with?(";") ? value : "#{value};"
        when Hash
          next generate_styles(s)
        when nil
          next nil
        else
          raise Phlex::ArgumentError.new("Invalid style: #{s.inspect}.")
        end
      end
      .join(" ")
  when Hash
    buffer = Phlex::OpalBuffer.new
    i = 0
    styles.each do |k, v|
      prop = case k
      when String
        k
      when Symbol
        k.name.tr("_", "-")
      else
        raise Phlex::ArgumentError.new("Style keys should be Strings or Symbols.")
      end

      value = case v
      when String
        v
      when Symbol
        v.name.tr("_", "-")
      when Integer, Float, Phlex::SGML::SafeObject
        v.to_s
      when nil
        nil
      else
        raise Phlex::ArgumentError.new("Invalid style value: #{v.inspect}")
      end

      if value
        i == 0 ? buffer << prop << ": " << value << ";" : buffer << " " << prop << ": " << value << ";"
      end

      i += 1
    end

    buffer
  end
end