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|
require "option_parser"
class Guff::Config
property :mode, :env, :host, :port, :data_dir, :system_dir,
:theme_action, :theme_src_dir, :theme_dst_path
DEFAULTS = {
mode: "help",
env: "production",
host: "127.0.0.1",
port: "8989",
data_dir: "./data",
system_dir: "/usr/local/share/guff",
theme_action: "list"
}
@theme_action : String
@theme_src_dir : String?
@theme_dst_path : String?
def initialize
@mode = DEFAULTS[:mode] as String
@env = (ENV["GUFF_ENVIRONMENT"]? || DEFAULTS[:env]) as String
@host = (ENV["GUFF_HOST"]? || DEFAULTS[:host]) as String
@port = (ENV["GUFF_PORT"]? || DEFAULTS[:port]) as String
@data_dir = (ENV["GUFF_DATA_DIR"]? || DEFAULTS[:data_dir]) as String
@system_dir = (ENV["GUFF_SYSTEM_DIR"]? || DEFAULTS[:system_dir]) as String
@theme_action = DEFAULTS[:theme_action]
end
VALID_MODES = %w{init run help theme}
VALID_THEME_ACTIONS = %w{list pack}
def mode=(mode : String)
raise "unknown mode: \"#{mode}\"" unless VALID_MODES.includes?(mode)
@mode = mode
end
VALID_ENVS = %w{development production}
def env=(env : String)
raise "unknown environment: \"#{env}\"" unless VALID_ENVS.includes?(env)
@env = env
end
def port=(port : String)
val = port.to_i
raise "invalid port: #{port}" unless val > 0 && val < 65535
@port = port
end
def system_dir=(dir : String)
raise "missing system dir: \"#{dir}\"" unless Dir.exists?(dir)
@system_dir = dir
end
def db_path
File.join(@data_dir, "guff.db")
end
def self.parse(
app : String,
args : Array(String)
) : Config
r = Config.new
raise "missing mode" unless args.size > 0
# get mode
r.mode = case mode = args.shift
when "-h", "--help"
"help"
else
mode
end
# parse arguments
p = OptionParser.parse(args) do |p|
p.banner = "Usage: #{app} [mode] <args>"
p.separator
p.separator("Run Options:")
p.on(
"-H HOST", "--host HOST",
"TCP host (defaults to \"#{DEFAULTS[:host]}\")"
) do |arg|
r.host = arg
end
p.on(
"-p PORT", "--port PORT",
"TCP port (defaults to \"#{DEFAULTS[:port]}\")"
) do |arg|
r.port = arg
end
p.separator
p.separator("Directory Options:")
p.on(
"-D DIR", "--data-dir DIR",
"Data directory (defaults to \"#{DEFAULTS[:data_dir]}\")"
) do |arg|
r.data_dir = arg
end
p.on(
"-S DIR", "--system-dir DIR",
"Guff system directory (defaults to \"#{DEFAULTS[:system_dir]}\")"
) do |arg|
r.system_dir = arg
end
p.separator
p.separator("Development Options:")
p.on(
"-E ENV", "--environment ENV",
"Environment (defaults to \"#{DEFAULTS[:env]})\""
) do |arg|
r.env = arg
end
p.separator
p.separator("Other Options:")
p.on("-h", "--help", "Print usage.") do
r.mode = "help"
end
p.separator
p.separator("
Examples:
# init new data directory
guff init some-app
# run using directory some-app
guff run -D some-app
# pack theme in directory /path/to/some-theme as ./some-theme.zip
guff theme pack /path/to/some-theme
# pack theme in directory /path/to/some-theme as /other/path/output.zip
guff theme pack /path/to/some-theme /other/path/output.zip
")
end
case r.mode
when "init"
# shortcut for -D parameter
r.data_dir = args.shift if args.size > 0
when "theme"
# get theme action
r.theme_action = args.shift if args.size > 0
unless VALID_THEME_ACTIONS.includes?(r.theme_action)
raise "unknown theme action: \"#{r.theme_action}\""
end
case r.theme_action
when "pack"
raise "missing theme directory" unless args.size > 0
r.theme_src_dir = args.shift
if args.size > 0
r.theme_dst_path = args.shift
else
r.theme_dst_path = File.basename(r.theme_src_dir.not_nil!) + ".zip"
end
end
when "help"
# print help
puts p
end
# return config
r
end
end
|
