Module: Infoboxer::Parser::Table

Includes:
Tree
Included in:
Paragraphs
Defined in:
lib/infoboxer/parser/table.rb

Overview

http://en.wikipedia.org/wiki/Help:Table

Instance Method Summary collapse

Instance Method Details

#table ⇒ Object 



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# File 'lib/infoboxer/parser/table.rb', line 8

def table
   @context.current =~ /^\s*{\|/ or
    @context.fail!('Something went wrong: trying to parse not a table')

  prms = table_params
  table = Tree::Table.new(Nodes[], prms)

  @context.next!

  loop do
    table_next_line(table) or break
    @context.next!
  end

  # FIXME: not the most elegant way, huh?
  table.children.reject!{|r| r.children.empty?}

  table
end

#table_caption(table) ⇒ Object 



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# File 'lib/infoboxer/parser/table.rb', line 67

def table_caption(table)
  @context.skip(/^\s*\|\+\s*/)

  children = inline(/^\s*([|!]|{\|)/)
  @context.prev! # compensate next! which will be done in table()
  table.push_children(TableCaption.new(children.strip))
end

#table_cell_cont(table) ⇒ Object

Good news, everyone! Table can be IMPLICITLY closed when it's not "cell" context.

Unless it's empty row, which is just skipped.



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# File 'lib/infoboxer/parser/table.rb', line 110

def table_cell_cont(table)
  container = case (last = table.children.last)
              when TableRow
                last.children.last
              when TableCaption
                last
              else
                nil
              end

  if !container
    # return "table not continued" unless row is empty
    if @context.current.empty?
      return true
    else
      @context.prev!
      return false
    end
  end
  
  container.push_children(paragraph(/^\s*([|!]|{\|)/))
  table.push_children(container) unless container.parent
  true
end

#table_cells(table, cell_class = TableCell) ⇒ Object 



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# File 'lib/infoboxer/parser/table.rb', line 75

def table_cells(table, cell_class = TableCell)
  table.push_children(TableRow.new()) unless table.children.last.is_a?(TableRow)
  row = table.children.last

  @context.skip(/\s*[!|]\s*/)
  guarded_loop do
    if @context.check(/[^|{|\[]+\|([^\|]|$)/)
      params = parse_params(@context.scan_until(/\|/))
    else
      params = {}
    end
    content = short_inline(/(\|\||!!)/)
    row.push_children(cell_class.new(content, params))
    break if @context.eol?
  end
end

#table_next_line(table) ⇒ Object 



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# File 'lib/infoboxer/parser/table.rb', line 33

def table_next_line(table)
  case @context.current
  when /^\s*\|}(.*)$/                 # table end
    @context.scan(/^\s*\|}/)
    return false # should not continue

  when /^\s*!/                        # heading (th) in a row
    table_cells(table, TableHeading)

  when /^\s*\|\+/                     # caption
    table_caption(table)
    
  when /^\s*\|-(.*)$/                 # row start
    table_row(table, $1)

  when /^\s*\|/                       # cell in row
    table_cells(table)

  when /^\s*{{/                       # template can be at row level
    table_template(table)

  when nil
    return false

  else
    return table_cell_cont(table)
  end
  true # should continue parsing
end

#table_params ⇒ Object 



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# File 'lib/infoboxer/parser/table.rb', line 28

def table_params
  @context.skip(/\s*{\|/)
  parse_params(@context.rest)
end

#table_row(table, param_str) ⇒ Object 



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# File 'lib/infoboxer/parser/table.rb', line 63

def table_row(table, param_str)
  table.push_children(TableRow.new(Nodes[], parse_params(param_str)))
end

#table_template(table) ⇒ Object 



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# File 'lib/infoboxer/parser/table.rb', line 92

def table_template(table)
  contents = paragraph(/^\s*([|!]|{\|)/).to_templates?
  
  if (row = table.children.last).is_a?(TableRow)
    if (cell = row.children.last).is_a?(BaseCell)
      cell.push_children(*contents)
    else
      row.push_children(*contents)
    end
  else
    table.push_children(*contents)
  end
end