Method: Comet::Generator#generate

Defined in:

lib/comet-html/generator.rb

#generate ⇒ Object

# File 'lib/comet-html/generator.rb', line 129

def generate
  src = File.read @filepath
  src.gsub! /<template/i,  "<html"
  src.gsub! /<\/template/i, "</html>"

  document = Nokogiri::HTML.parse(src) do |config| config.strict end
  
  html = document.xpath("html").first
  head = document.xpath("//head")
  body = document.xpath("//body")
  raise LoadError.new "could not load html template `#{@filepath}`" if html.nil?
  raise LoadError.new "missing body element in `#{@filepath}`" if body.first.nil?

  Context.reset
  Context.filename = @filepath
  if !@config.nil? && !@config["elements"].nil?
    Context.load_global_element_types @config["elements"]
  end
  
  load_includes head
  
  fatal_error = nil
  document.errors.each do |error|
    if is_error_fatal? error
      puts "[comet-html] #{@filepath}:#{error.line}:#{error.column}: #{error.message}"
      fatal_error ||= error
      error_count += 1
    end
  end
  raise HtmlParseError.new fatal_error unless fatal_error.nil?

  main_element = Comet::Class.new body
  main_element.typename = if html["classname"].nil?
    File.basename(@filepath, ".html").to_s.camelize
  else
    html["classname"]
  end
  main_element.superclass = html["extends"] unless html["extends"].nil?
  main_element.probe

  main_element.inline_code = ""
  head.css("script").each do |script|
    main_element.inline_code += script.text.strip + "\n"
  end

  head.css("attribute").each do |attribute|
    main_element.refs << (CppReference.new attribute, attribute["type"], attribute["name"], attribute["value"])
  end

  define_name = "__COMET_CUSTOM_ELEMENT_#{main_element.typename.upcase}__"
  header_code = ""
  source_code = ""
  Context.classes.reverse.each do |object|
    next if object.should_skip?
    header_code += HeaderGenerator.new(object).generate + "\n"
    source_code += SourceGenerator.new(object).generate + "\n"
  end

  includes_str = prepare_includes head
  
  header = "#ifndef  \#{define_name}\n# define \#{define_name}\n\n# include <comet/bindable.hpp>\n# include <comet/repeater.hpp>\n# include <comet/slot_element.hpp>\n# include <comet/comment_element.hpp>\n# include <comet/custom_element.hpp>\n# include <comet/signal.hpp>\n\#{includes_str}\n\nnamespace HtmlTemplate\n{\n\#{append_classes_predeclaration}\n\#{header_code}\n}\n\n#endif\n"

  source = "#include <comet/lexical_cast.hpp>\n#include \"\#{compiled_header_path}\"\n\n\#{source_code}\n"

  { header: header, source: source }
end