Class: Kramdown::Parser::Html

Inherits:
Base
  • Object
show all
Includes:
Parser
Defined in:
lib/kramdown/parser/html.rb

Overview

Used for parsing a HTML document.

The parsing code is in the Parser module that can also be used by other parsers.

Defined Under Namespace

Modules: Constants, Parser Classes: ElementConverter

Constant Summary

Constants included from Parser

Parser::HTML_RAW_START

Constants included from Constants

Constants::HTML_ATTRIBUTE_RE, Constants::HTML_BLOCK_ELEMENTS, Constants::HTML_COMMENT_RE, Constants::HTML_CONTENT_MODEL, Constants::HTML_CONTENT_MODEL_BLOCK, Constants::HTML_CONTENT_MODEL_RAW, Constants::HTML_CONTENT_MODEL_SPAN, Constants::HTML_DOCTYPE_RE, Constants::HTML_ELEMENTS_WITHOUT_BODY, Constants::HTML_ENTITY_RE, Constants::HTML_INSTRUCTION_RE, Constants::HTML_SPAN_ELEMENTS, Constants::HTML_TAG_CLOSE_RE, Constants::HTML_TAG_RE

Instance Attribute Summary

Attributes inherited from Base

#options, #root, #source, #warnings

Instance Method Summary collapse

Methods included from Parser

#handle_html_start_tag, #handle_raw_html_tag, #parse_html_attributes, #parse_raw_html

Methods inherited from Base

#adapt_source, #add_text, #extract_string, #initialize, parse, #warning

Constructor Details

This class inherits a constructor from Kramdown::Parser::Base

Instance Method Details

#parse ⇒ Object

Parse the source string provided on initialization as HTML document.



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# File 'lib/kramdown/parser/html.rb', line 560

def parse
  @stack, @tree = [], @root
  @src = Kramdown::Utils::StringScanner.new(adapt_source(source))

  while true
    if result = @src.scan(/\s*#{HTML_INSTRUCTION_RE}/)
      @tree.children << Element.new(:xml_pi, result.strip, nil, :category => :block)
    elsif result = @src.scan(/\s*#{HTML_DOCTYPE_RE}/)
      # ignore the doctype
    elsif result = @src.scan(/\s*#{HTML_COMMENT_RE}/)
      @tree.children << Element.new(:xml_comment, result.strip, nil, :category => :block)
    else
      break
    end
  end

  tag_handler = lambda do |c, closed, handle_body|
    parse_raw_html(c, &tag_handler) if !closed && handle_body
  end
  parse_raw_html(@tree, &tag_handler)

  ElementConverter.convert(@tree)
end