Class: RedQuilt::HtmlBlock::Parser

Inherits:
Object
  • Object
show all
Defined in:
lib/red_quilt/html_block.rb

Overview

Cached collaborator for BlockParser. A single instance is created in BlockParser#initialize and reused; per-call state lives in method locals so reentrant calls are safe.

Instance Method Summary collapse

Constructor Details

#initialize(block_parser) ⇒ Parser

Returns a new instance of Parser.



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# File 'lib/red_quilt/html_block.rb', line 102

def initialize(block_parser)
  @arena = block_parser.arena
end

Instance Method Details

#parse(parent_id, lines, index) ⇒ Object

Parses the HTML block starting at lines (its type already confirmed by HtmlBlock.start?). Returns the index past the block.



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# File 'lib/red_quilt/html_block.rb', line 108

def parse(parent_id, lines, index)
  start_index = index
  type = HtmlBlock.type(lines[index].content)
  end_index = locate_end(lines, index, type)

  start_byte = lines[start_index].start_byte
  end_byte = lines[end_index].end_byte
  html_lines = (start_index..end_index).map { |i| lines[i].content }
  html_id = @arena.add_node(NodeType::HTML_BLOCK,
                            source_start: start_byte,
                            source_len: end_byte - start_byte,
                            str1: html_lines.join("\n"))
  @arena.append_child(parent_id, html_id)
  end_index + 1
end