# frozen_string_literal: true
require 'bitclust'
require 'bitclust/interface'
module BitClust
# Main class of BitClust server application.
# Actual actions are implemneted by RequestHandler.
#
# Supports Rack and WEBrick.
class App
def initialize(options)
@options = options
dbpath = options[:dbpath]
baseurl = options[:baseurl] || ''
datadir = options[:datadir] || File.expand_path('../../data/bitclust', File.dirname(__FILE__))
encoding = options[:encoding] || 'utf-8'
viewpath = options[:viewpath]
capi = options[:capi]
if options[:rack]
request_handler_class = BitClust::RackRequestHandler
else
request_handler_class = BitClust::RequestHandler
end
@interfaces = {}
case dbpath
when String
dbpath = File.expand_path(dbpath)
db = BitClust::MethodDatabase.new(dbpath)
if capi
db = [db, BitClust::FunctionDatabase.new(dbpath)]
end
manager = BitClust::ScreenManager.new(
:base_url => baseurl,
:cgi_url => File.join(baseurl, viewpath),
:datadir => datadir,
:templatedir => options[:templatedir],
:theme => options[:theme],
:encoding => encoding
)
handler = request_handler_class.new(db, manager)
@interfaces[viewpath] = BitClust::Interface.new { handler }
when Array
dbpaths = dbpath
@versions = []
dbpaths.each do |dbpath|
next unless /db-([\d_\.]+)/ =~ dbpath
dbpath = File.expand_path(dbpath)
version = $1.tr("_", ".")
@versions << version
if viewpath
version_viewpath = File.join(version, viewpath)
else
version_viewpath = version
end
db = BitClust::MethodDatabase.new(dbpath)
if capi
db = [db, BitClust::FunctionDatabase.new(dbpath)]
end
manager = BitClust::ScreenManager.new(
:base_url => baseurl,
:cgi_url => File.join(baseurl, version_viewpath),
:datadir => datadir,
:templatedir => options[:templatedir],
:theme => options[:theme],
:encoding => encoding
)
handler = request_handler_class.new(db, manager)
@interfaces[version_viewpath] = BitClust::Interface.new { handler }
$bitclust_context_cache = nil # clear cache
end
end
end
attr_reader :interfaces, :versions
def index(req)
case
when @interfaces.size == 1 && viewpath = @options[:viewpath]
# Redirect from '/' to "#{viewpath}/"
@index = ""
when 1 < @interfaces.size
request_path = case
when req.respond_to?(:path_info)
req.path_info
when req.respond_to?(:path)
req.path_info
end
if @versions.any?{|version| %r|\A/?#{version}/?\z| =~ request_path }
viewpath = File.join(request_path, @options[:viewpath])
@index = ""
else
links = ""
@interfaces.keys.sort.each do |v|
if @options[:viewpath]
version = v.sub(@options[:viewpath], '')
else
version = v
end
url = v
links << %Q(- #{version}
)
end
links << "
"
if File.exist?("readme.html")
@index = File.read("readme.html").sub(%r!\./bitclust!, '').sub(//) { links }
else
@index = "bitclust#{links}"
end
end
end
end
def get_instance(server)
self
end
def service(req, res)
unless %r|/#{File.basename(@options[:baseurl])}/?\z| =~ req.path
raise WEBrick::HTTPStatus::NotFound
end
res.body = index(req)
res['Content-Type'] = 'text/html; charset=utf-8'
end
def call(env)
[
200,
{'Content-Type' => 'text/html; charset=utf-8'},
[index(Rack::Request.new(env))]
]
end
end
end