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// Copyright (c) 2016 Florian Fischer. All rights reserved.
// Use of this source code is governed by a MIT license found in the LICENSE file.
package logic
import (
"errors"
"fmt"
"strconv"
"strings"
)
type Cmd struct {
Cmd string
Argv []int
Argc int
}
var cmdTable = map[string]int{
"d": 1, "dices": 1,
"p": 2, "print": 2,
"q": 3, "quit": 3,
"h": 4, "help": 4,
"i": 5, "insert": 5,
"c": 6, "cancel": 6,
"r": 7, "reroll": 7,
"pos": 8, "positions": 8,
}
// we ignore arguments which are to much
func ParseCmd(s string) (Cmd, error) {
split := strings.Split(s, " ")
if len(split) == 0 {
return Cmd{}, errors.New("Empty command")
}
argv := make([]int, 0, 5)
argc := 0
switch split[0] {
case "d", "p", "q":
return Cmd{Cmd: split[0]}, nil
case "h":
if len(split) > 1 {
if i, exists := cmdTable[split[1]]; exists {
argv = append(argv, i)
argc++
}
}
if argc < 1 {
argv = append(argv, 0)
argc++
}
case "i", "c":
if len(split) < 2 {
return Cmd{}, errors.New(split[0] + ": missing argument")
}
if e, exists := ScorePositions[split[1]]; exists {
argv = append(argv, e)
} else if i, err := strconv.Atoi(split[1]); err != nil {
return Cmd{}, err
} else if i < 1 || i > 13 {
return Cmd{}, errors.New(split[0] + ": position out of range")
} else {
argv = append(argv, i-1)
}
argc++
case "r":
for _, v := range split[1:] {
i, err := strconv.Atoi(v)
if err != nil {
return Cmd{}, err
}
if i < 1 || i > 5 {
return Cmd{}, errors.New("r: dice index out of range")
}
argv = append(argv, i)
argc++
// ignore additional arguments
if argc == 5 {
break
}
}
case "pos":
split[0] = "h"
argv = append(argv, cmdTable["pos"])
argc++
default:
return Cmd{}, errors.New("Invalid command")
}
return Cmd{split[0], argv[0:argc], argc}, nil
}
func CmdHelp(cmd int) string {
s := ""
switch cmd {
case 1:
s += fmt.Sprintln("d - print dices")
s += fmt.Sprintln("Print out the dices")
case 2:
s += fmt.Sprintln("p - print score")
s += fmt.Sprintln("Print out your score")
case 3:
s += fmt.Sprintln("q - quit the game")
s += fmt.Sprintln("Terminates the game")
case 4:
s += fmt.Sprintln("h [cmd] - print help")
s += fmt.Sprintln("Print the help for a specific command or gernal help.")
case 5:
s += fmt.Sprintln("i [pos] - insert into score")
s += fmt.Sprintln("Insert your current dices into your score.")
s += fmt.Sprintln("See \"h pos\" for a explenation of the score entries")
case 6:
s += fmt.Sprintln("c [pos] - cancel a entry")
s += fmt.Sprintln("Write 0 into your score.")
s += fmt.Sprintln("See \"h pos\" for a explenation of the score entries")
case 7:
s += fmt.Sprintln("r [dices] - reroll some dices")
s += fmt.Sprintln("Reroll the specified dices.")
s += fmt.Sprintln("The dices to reroll are represented by a list of their indices in the dice set.")
s += fmt.Sprintln("Example:")
s += fmt.Sprintln("\t\"r 1 4 5\" rerolls dice number 1, 4 and 5")
s += fmt.Sprintln("\t\"r\" rerolls all dices")
case 8:
s += fmt.Sprintln("Positions:")
s += fmt.Sprintln("\t1: Aces")
s += fmt.Sprintln("\t2: Twos")
s += fmt.Sprintln("\t3: Threes")
s += fmt.Sprintln("\t4: Fours")
s += fmt.Sprintln("\t5: Fives")
s += fmt.Sprintln("\t6: Sixes")
s += fmt.Sprintln("\t7: ThreeOfAKind")
s += fmt.Sprintln("\t8: FourOfAKind")
s += fmt.Sprintln("\t9: FullHouse")
s += fmt.Sprintln("\t10: SmallStraight")
s += fmt.Sprintln("\t11: LargeStraight")
s += fmt.Sprintln("\t12: Yathzze")
s += fmt.Sprintln("\t13: Chance")
default:
s += fmt.Sprintln("h [cmd] - print help")
s += fmt.Sprintln("p - print score")
s += fmt.Sprintln("d - print dices")
s += fmt.Sprintln("i [pos] - insert into score")
s += fmt.Sprintln("r [dices] - reroll some dices")
s += fmt.Sprintln("c [pos] - cancel a entry")
}
return s
}
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