class Asciidoctor::Table::Cell

def content
  if (cell_style = @style) == :asciidoc
    @inner_document.convert
  elsif @text.include? DOUBLE_LF
    (text.split BlankLineRx).map do |para|
      cell_style && cell_style != :header ? (Inline.new parent, :quoted, para, type: cell_style).convert : para
    end
  elsif (subbed_text = text).empty?
    []
  elsif cell_style && cell_style != :header
    [(Inline.new parent, :quoted, subbed_text, type: cell_style).convert]
  else
    [subbed_text]
  end
end

def file
  @source_location && @source_location.file
end

def initialize column, cell_text, attributes = {}, opts = {}
  super column, :table_cell
  @source_location = opts[:cursor].dup if @document.sourcemap
  if column
    cell_style = column.attributes['style'] unless (in_header_row = column.table.header_row?)
    # REVIEW feels hacky to inherit all attributes from column
    update_attributes column.attributes
  end
  # NOTE if attributes is defined, we know this is a psv cell; implies text needs to be stripped
  if attributes
    if attributes.empty?
      @colspan = @rowspan = nil
    else
      @colspan, @rowspan = (attributes.delete 'colspan'), (attributes.delete 'rowspan')
      # TODO delete style attribute from @attributes if set
      cell_style = attributes['style'] || cell_style unless in_header_row
      update_attributes attributes
    end
    if cell_style == :asciidoc
      asciidoc = true
      inner_document_cursor = opts[:cursor]
      if (cell_text = cell_text.rstrip).start_with? LF
        lines_advanced = 1
        lines_advanced += 1 while (cell_text = cell_text.slice 1, cell_text.length).start_with? LF
        # NOTE this only works if we remain in the same file
        inner_document_cursor.advance lines_advanced
      else
        cell_text = cell_text.lstrip
      end
    elsif cell_style == :literal
      literal = true
      cell_text = cell_text.rstrip
      # QUESTION should we use same logic as :asciidoc cell? strip leading space if text doesn't start with newline?
      cell_text = cell_text.slice 1, cell_text.length while cell_text.start_with? LF
    else
      normal_psv = true
      # NOTE AsciidoctorJ uses nil cell_text to create an empty cell
      cell_text = cell_text ? cell_text.strip : ''
    end
  else
    @colspan = @rowspan = nil
    if cell_style == :asciidoc
      asciidoc = true
      inner_document_cursor = opts[:cursor]
    end
  end
  # NOTE only true for non-header rows
  if asciidoc
    # FIXME hide doctitle from nested document; temporary workaround to fix
    # nested document seeing doctitle and assuming it has its own document title
    parent_doctitle = @document.attributes.delete('doctitle')
    # NOTE we need to process the first line of content as it may not have been processed
    # the included content cannot expect to match conditional terminators in the remaining
    # lines of table cell content, it must be self-contained logic
    # QUESTION should we reset cell_text to nil?
    # QUESTION is is faster to check for :: before splitting?
    inner_document_lines = cell_text.split LF, -1
    if (unprocessed_line1 = inner_document_lines[0]).include? '::'
      preprocessed_lines = (PreprocessorReader.new @document, [unprocessed_line1]).readlines
      unless unprocessed_line1 == preprocessed_lines[0] && preprocessed_lines.size < 2
        inner_document_lines.shift
        inner_document_lines.unshift(*preprocessed_lines) unless preprocessed_lines.empty?
      end
    end unless inner_document_lines.empty?
    @inner_document = Document.new inner_document_lines, standalone: false, parent: @document, cursor: inner_document_cursor
    @document.attributes['doctitle'] = parent_doctitle unless parent_doctitle.nil?
    @subs = nil
  elsif literal
    @content_model = :verbatim
    @subs = BASIC_SUBS
  else
    if normal_psv && (cell_text.start_with? '[[') && LeadingInlineAnchorRx =~ cell_text
      Parser.catalog_inline_anchor $1, $2, self, opts[:cursor], @document
    end
    @content_model = :simple
    @subs = NORMAL_SUBS
  end
  @text = cell_text
  @style = cell_style
end

def lineno
  @source_location && @source_location.lineno
end

def text
  apply_subs @text, @subs
end

def text= val
  @text = val
end

def to_s
  "#{super.to_s} - [text: #@text, colspan: #{@colspan || 1}, rowspan: #{@rowspan || 1}, attributes: #@attributes]"
end