Class: Liquid::TableRow

Inherits:
Block show all
Defined in:
lib/liquid/tags/table_row.rb

Defined Under Namespace

Classes: ParseTreeVisitor

Constant Summary collapse

Syntax = 
/(\w+)\s+in\s+(#{QuotedFragment}+)/o
ALLOWED_ATTRIBUTES = 
['cols', 'limit', 'offset', 'range'].freeze

Constants inherited from Block

Block::MAX_DEPTH

Instance Attribute Summary collapse

Attributes inherited from Tag

#line_number, #nodelist, #parse_context, #tag_name

Instance Method Summary collapse

Methods inherited from Block

#blank?, #block_delimiter, #block_name, #nodelist, #parse, #raise_tag_never_closed, raise_unknown_tag, #render, #unknown_tag

Methods inherited from Tag

#blank?, disable_tags, #name, parse, #parse, #raw, #render

Methods included from ParserSwitching

#parse_with_selected_parser, #strict2_mode?, #strict_parse_with_error_mode_fallback

Constructor Details

#initialize(tag_name, markup, options) ⇒ TableRow

Returns a new instance of TableRow.



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# File 'lib/liquid/tags/table_row.rb', line 32

def initialize(tag_name, markup, options)
  super
  parse_with_selected_parser(markup)
end

Instance Attribute Details

#attributes ⇒ Object (readonly)

Returns the value of attribute attributes.



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# File 'lib/liquid/tags/table_row.rb', line 30

def attributes
  @attributes
end

#collection_name ⇒ Object (readonly)

Returns the value of attribute collection_name.



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# File 'lib/liquid/tags/table_row.rb', line 30

def collection_name
  @collection_name
end

#variable_name ⇒ Object (readonly)

Returns the value of attribute variable_name.



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# File 'lib/liquid/tags/table_row.rb', line 30

def variable_name
  @variable_name
end

Instance Method Details

#lax_parse(markup) ⇒ Object 



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# File 'lib/liquid/tags/table_row.rb', line 69

def lax_parse(markup)
  if markup =~ Syntax
    @variable_name   = Regexp.last_match(1)
    @collection_name = parse_expression(Regexp.last_match(2))
    @attributes      = {}
    markup.scan(TagAttributes) do |key, value|
      @attributes[key] = parse_expression(value)
    end
  else
    raise SyntaxError, options[:locale].t("errors.syntax.table_row")
  end
end

#render_to_output_buffer(context, output) ⇒ Object 



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# File 'lib/liquid/tags/table_row.rb', line 82

def render_to_output_buffer(context, output)
  (collection = context.evaluate(@collection_name)) || (return '')

  from = @attributes.key?('offset') ? to_integer(context.evaluate(@attributes['offset'])) : 0
  to = @attributes.key?('limit') ? from + to_integer(context.evaluate(@attributes['limit'])) : nil

  collection = Utils.slice_collection(collection, from, to)
  length     = collection.length

  cols = @attributes.key?('cols') ? to_integer(context.evaluate(@attributes['cols'])) : length

  output << "<tr class=\"row1\">\n"
  context.stack do
    tablerowloop = Liquid::TablerowloopDrop.new(length, cols)
    context['tablerowloop'] = tablerowloop

    collection.each do |item|
      context[@variable_name] = item

      output << "<td class=\"col#{tablerowloop.col}\">"
      super
      output << '</td>'

      # Handle any interrupts if they exist.
      if context.interrupt?
        interrupt = context.pop_interrupt
        break if interrupt.is_a?(BreakInterrupt)
      end

      if tablerowloop.col_last && !tablerowloop.last
        output << "</tr>\n<tr class=\"row#{tablerowloop.row + 1}\">"
      end

      tablerowloop.send(:increment!)
    end
  end

  output << "</tr>\n"
  output
end

#strict2_parse(markup) ⇒ Object 



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# File 'lib/liquid/tags/table_row.rb', line 37

def strict2_parse(markup)
  p = @parse_context.new_parser(markup)

  @variable_name = p.consume(:id)

  unless p.id?("in")
    raise SyntaxError, options[:locale].t("errors.syntax.for_invalid_in")
  end

  @collection_name = safe_parse_expression(p)

  p.consume?(:comma)

  @attributes = {}
  while p.look(:id)
    key = p.consume
    unless ALLOWED_ATTRIBUTES.include?(key)
      raise SyntaxError, options[:locale].t("errors.syntax.table_row_invalid_attribute", attribute: key)
    end

    p.consume(:colon)
    @attributes[key] = safe_parse_expression(p)
    p.consume?(:comma)
  end

  p.consume(:end_of_string)
end

#strict_parse(markup) ⇒ Object 



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# File 'lib/liquid/tags/table_row.rb', line 65

def strict_parse(markup)
  lax_parse(markup)
end