100 lines
2.7 KiB
Forth
100 lines
2.7 KiB
Forth
#! /usr/bin/env ueforth
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\ Copyright 2023 Bradley D. Nelson
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\
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\ Licensed under the Apache License, Version 2.0 (the "License");
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\ you may not use this file except in compliance with the License.
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\ You may obtain a copy of the License at
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\
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\ http://www.apache.org/licenses/LICENSE-2.0
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\
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\ Unless required by applicable law or agreed to in writing, software
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\ distributed under the License is distributed on an "AS IS" BASIS,
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\ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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\ See the License for the specific language governing permissions and
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\ limitations under the License.
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needs ../poke.fs
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needs ../lib/array.fs
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needs ../lib/string.fs
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( A logger to log steps while brewing coffee. )
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class CoffeeLogger
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value logs
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: .construct 30 Array .new to logs ;
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: .log ( a n -- ) String .new logs .append ;
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: .dump logs .length 0 ?do
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i logs .get .get type cr
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loop cr ;
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end-class
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class LoggerModule
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: .provideCoffeeLogger @Singleton CoffeeLogger .new ;
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end-class
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( A coffee maker to brew the coffee. )
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class CoffeeMaker
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value logger
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value heater
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value pump
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m: .provideCoffeeLogger
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m: .provideHeater m: .providePump
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m: .on m: .off m: .pump m: .isHot?
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: .construct @Inject CoffeeLogger to logger
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@Inject Heater to heater
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@Inject Pump to pump ;
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: .brew heater .on
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pump .pump
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s" [_]P coffee! [_]P " logger .log
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heater .off ;
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end-class
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class CoffeeMakerModule
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: .provideCoffeeMaker CoffeeMaker .new ;
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end-class
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( An electric heater to heat the coffee. )
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class ElectricHeater
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value logger
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value heating
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: .construct @Inject CoffeeLogger to logger
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0 to heating ;
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: .on -1 to heating
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s" ~ ~ ~ heating ~ ~ ~" logger .log ;
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: .off 0 to heating ;
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: .isHot? ( -- f ) heating ;
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end-class
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( A thermosiphon to pump the coffee. )
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class Thermosiphon
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value logger
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value heater
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: .construct @Inject CoffeeLogger to logger
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@Inject Heater to heater ;
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: .pump heater .isHot? if
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s" => => pumping => =>" logger .log
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then ;
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end-class
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class HeaterModule
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: .provideHeater @Singleton ElectricHeater .new ;
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end-class
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class PumpModule
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: .providePump Thermosiphon .new ;
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end-class
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( The main app responsible for brewing the coffee and printing the logs. )
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class CoffeeApp extends Component
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: .construct super .construct
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HeaterModule this .include
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PumpModule this .include
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LoggerModule this .include
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CoffeeMakerModule this .include ;
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end-class
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CoffeeApp .new constant coffeeShop
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coffeeShop .provideCoffeeMaker .brew
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coffeeShop .provideCoffeeLogger .dump
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bye
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