Class: MemoRack::MemoApp

Inherits:
Core
  • Object
show all
Defined in:
lib/memorack/memoapp.rb

Constant Summary

Constants inherited from Core

Core::DEFAULT_APP_OPTIONS, Core::DEFAULT_LOCALS, Core::DEFAULT_OPTIONS, Core::DEFAULT_TEMPLATE_OPTIONS

Instance Attribute Summary

Attributes inherited from Core

#options_chain, #root, #suffix, #themes

Instance Method Summary collapse

Methods inherited from Core

#add_config_chain, app, #collect_formats, #content_name, #contents, #css_exts, #default_locals, #embed_macro, #embed_macro_for_array, #enable_exts, #extnames, #file_search, #folder, #load_plugin, #load_plugins, #pages, #plugins_folders, #read_config, #read_data, #render, #render_content, #render_css, #render_menu, #render_page, #render_with_mustache, #require_plugin, #split_extname, template, template_method, #theme_path, #to_sym_keys, #update_locale, #use_engine, #value_to_locals

Constructor Details

#initialize(app, options = {}) ⇒ MemoApp

Returns a new instance of MemoApp.



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# File 'lib/memorack/memoapp.rb', line 14

def initialize(app, options={})
	super(options)

	@app = app
	define_statics(@root, *@themes)

	# ファイル監視を行う
	watcher(@root, @directory_watcher) if @directory_watcher
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/memorack/memoapp.rb', line 24

def call(env)
	content_type = 'text/html'

	path_info = unescape_path_info(env)

	# ロケールの更新
	update_locale(env)

	case path_info
	when '/'
		content = render_with_mustache :index, :markdown
	when /\.css$/
		result = pass(env, @statics)
		return result unless result.first == 404

		begin
			content_type = 'text/css'
			content = render_css(path_info)
		rescue Errno::ENOENT => e
			return error(env, 404)
		end
	else
		locals = {env: env, path_info: path_info}
		content ||= render_content(path_info, locals)
		content ||= render_page(path_info, locals)
	end

	return [200, {'Content-Type' => content_type}, [content.to_s]] if content

	pass(env) { |env, code|
		error(env, code)
	} 
end

#define_statics(*args) ⇒ Object

静的ファイルの参照先を定義する



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# File 'lib/memorack/memoapp.rb', line 59

def define_statics(*args)
	@statics = [] unless @statics

	@statics |= args.collect { |root| Rack::File.new(root) }
end

#error(env, code, body = nil, content_type = 'text/plain; charset=utf-8') ⇒ Object

エラー



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# File 'lib/memorack/memoapp.rb', line 92

def error(env, code, body = nil, content_type = 'text/plain; charset=utf-8')
	path_info = unescape_path_info(env)

	if body
		body = [body.to_s, path_info] unless body.kind_of?(Array)
	else
		fullpath = file_search("/#{code}", {views: @themes})
		ext = split_extname(fullpath)[1]
		locals = {env: env, path_info: path_info, page: {name: "Error #{code}"}}

		if ext && Tilt.registered?(ext)
			template = Pathname.new(fullpath)
		else
			template = "Error #{code}: #{path_info}"
			ext = nil
		end

		content = render_with_mustache template, ext, {mustache: 'error.html'}, locals

		if content
			content_type = 'text/html'
			body = [content.to_s]
		else
			body = ["Error #{code}: ", path_info]
		end
	end

	[code, {'Content-Type' => content_type, }, body]
end

#pass(env, apps = @statics + [@app]) ⇒ Object

次のアプリにパスする



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# File 'lib/memorack/memoapp.rb', line 78

def pass(env, apps = @statics + [@app])
	apps.each { |app|
		next unless app

		result =  app.call(env)
		return result unless result.first == 404
	}

	return yield(env, 404) if block_given?

	error(env, 404, 'File not found: ')
end

#redirect(url, code = 301) ⇒ Object

リダイレクト



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# File 'lib/memorack/memoapp.rb', line 72

def redirect(url, code = 301)
	# 301 = 恒久的, 302 = 一時的, 303, 410
	[code, {'Content-Type' => 'text/html', 'Location' => url}, ['Redirect: ', url]]
end

#unescape_path_info(env) ⇒ Object

PATH_INFO を unescape して取出す



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# File 'lib/memorack/memoapp.rb', line 66

def unescape_path_info(env)
	path_info = URI.unescape(env['PATH_INFO'])
	path_info.force_encoding('UTF-8')
end

#watcher(path = '.', interval = 1.0) ⇒ Object

ファイル監視を行う



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# File 'lib/memorack/memoapp.rb', line 123

def watcher(path = '.', interval = 1.0)
	require 'directory_watcher'

	interval = 1.0 if interval == true # 旧バージョンとの互換性のため

	dw = DirectoryWatcher.new path, :pre_load => true
	dw.interval = interval
	dw.stable = 2
	dw.glob = '**/*'
	dw.add_observer { |*args|
		t = Time.now.strftime("%Y-%m-%d %H:%M:%S")
		puts "[#{t}] regeneration: #{args.size} files changed"

		@menu = nil
	}

	dw.start
end