Class: Ro::Template

Inherits:
Object show all
Defined in:
lib/ro/template.rb,
lib/ro/template/rouge_formatter.rb

Defined Under Namespace

Classes: RougeFormatter

Class Method Summary collapse

Class Method Details

.render(*args, &block) ⇒ Object 



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# File 'lib/ro/template.rb', line 11

def Template.render(*args, &block)
  render_file(*args, &block)
end

.render_erb(content, options = {}) ⇒ Object 



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# File 'lib/ro/template.rb', line 98

def Template.render_erb(content, options = {})
  content = String(content).force_encoding('utf-8')
  options = Map.for(options.is_a?(Hash) ? options : { context: options })
  context = options[:context]

  erb = ERB.new(content, trim_mode: '%<>')

  html =
    if context.respond_to?(:to_hash)
      hash = context.to_hash
      erb.result_with_hash(hash)
    else
      binding = context ? context.instance_eval{ binding } : ::Kernel.binding
      erb.result(binding)
    end

  HTML.new(html)
end

.render_file(path, options = {}) ⇒ Object 



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# File 'lib/ro/template.rb', line 15

def Template.render_file(path, options = {})
  path = File.expand_path(path.to_s.strip)
  options = Map.for(options.is_a?(Hash) ? options : { context: options })

  content = IO.binread(path).force_encoding('utf-8')
  engines = File.basename(path).split('.')[1..-1]
  context = options[:context]

  begin
    render_string(content, path: path, engines: engines, context: context)
  rescue Ro::Error => e
    msg = e.message
    Ro.error! "failed to render #{ path } with `#{ msg }`"
  end
end

.render_html(html) ⇒ Object 



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# File 'lib/ro/template.rb', line 69

def Template.render_html(html)
  HTML.new(html)
end

.render_json(json) ⇒ Object 



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# File 'lib/ro/template.rb', line 73

def Template.render_json(json)
  data = JSON.parse(json)
  Ro.mapify(data)
end

.render_markdown(content, options = {}) ⇒ Object 



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# File 'lib/ro/template.rb', line 117

def Template.render_markdown(content, options = {})
  content = String(content).force_encoding('utf-8')
  options = Map.for(options.is_a?(Hash) ? options : { context: options })

  theme = options.fetch(:theme) { Ro.config.md_theme }

  parsed = FrontMatterParser::Parser.new(:md).call(content)
  front_matter = parsed.front_matter
  content = parsed.content

  opts = {
    input: 'GFM',
    hard_wrap: false,
    syntax_highlighter_opts: { formatter: RougeFormatter, theme: theme }
  }

  div =
    "      <div class=\"ro markdown\">\n        \#{ ::Kramdown::Document.new(content, opts).to_html }\n      </div>\n    _____\n\n  html = Rinku.auto_link(div, :all, 'target=\"_blank\"')\n\n  HTML.new(html, front_matter:)\nend\n"

.render_ruby(code) ⇒ Object 



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# File 'lib/ro/template.rb', line 83

def Template.render_ruby(code)
  string = IO.popen('ruby', 'w+'){|ruby| ruby.puts(code); ruby.close_write; ruby.read}

  if $? == 0
    string
  else
    Ro.error!("ruby:\n\n#{ code }")
  end
end

.render_src(path, options = {}) ⇒ Object 



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# File 'lib/ro/template.rb', line 145

def Template.render_src(path, options = {})
  path = File.expand_path(path.to_s.strip)
  options = Map.for(options.is_a?(Hash) ? options : { context: options })

  content = IO.binread(path).force_encoding('utf-8')
  engines = File.basename(path).split('.')[1..-1].reverse
  context = options[:context]

  theme = options.fetch(:theme) { Ro.config.md_theme }
  formatter = RougeFormatter.new(theme: theme)

  language = engines.shift

  lexer = Rouge::Lexer.find(language) || Ro.error!('no lexer found for ')

  content = render_string(content, path: path, engines: engines, context: context) if engines.size.nonzero?

  HTML.new(
    "      <div class=\"ro markdown src\">\n        \#{ formatter.format(lexer.lex(content)) }\n      </div>\n    _____\n  )\nend\n"

.render_string(content, options = {}) ⇒ Object 



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# File 'lib/ro/template.rb', line 31

def Template.render_string(content, options = {})
  content = String(content).force_encoding('utf-8')
  options = Map.for(options.is_a?(Hash) ? options : { context: options })
  engines = Array(options.fetch(:engines) { ['md'] }).flatten.compact
  path = options.fetch(:path) { '(string)' }
  context = options[:context]

  loop do
    break if engines.empty?

    engine = engines.shift.to_s.strip.downcase

    content =
      case engine
        when 'html'
          render_html(content)
        when 'txt', 'text'
          render_text(content)
        when 'erb'
          render_erb(content, context:)
        when 'md', 'markdown'
          render_markdown(content)
        when 'yml', 'yaml'
          render_yaml(content)
        when 'json'
          render_json(content)
        when 'rb'
          render_ruby(content)
        when 'txt', 'text'
          render_text(content)
        else
          Ro.error!("no engine found for engine=#{ engine.inspect } engines=#{ engines.inspect }")
      end
  end

  content
end

.render_text(text) ⇒ Object 



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# File 'lib/ro/template.rb', line 93

def Template.render_text(text)
  html = Text.render(text)
  HTML.new(html)
end

.render_yaml(yaml) ⇒ Object 



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# File 'lib/ro/template.rb', line 78

def Template.render_yaml(yaml)
  data = YAML.load(yaml)
  Ro.mapify(data)
end