diff options
Diffstat (limited to 'dice/src/example/java/bjc/dicelang/neodice/commands/PolyhedralDieCommand.java')
| -rw-r--r-- | dice/src/example/java/bjc/dicelang/neodice/commands/PolyhedralDieCommand.java | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/dice/src/example/java/bjc/dicelang/neodice/commands/PolyhedralDieCommand.java b/dice/src/example/java/bjc/dicelang/neodice/commands/PolyhedralDieCommand.java new file mode 100644 index 0000000..02fc9cf --- /dev/null +++ b/dice/src/example/java/bjc/dicelang/neodice/commands/PolyhedralDieCommand.java @@ -0,0 +1,40 @@ +package bjc.dicelang.neodice.commands; + +import static bjc.dicelang.neodice.statements.StatementValue.Type.*; + +import java.util.*; + +import bjc.dicelang.neodice.*; +import bjc.dicelang.neodice.statements.*; + +public class PolyhedralDieCommand implements Command { + @Override + public StatementValue execute(Iterator<String> words, DieBoxCLI state) { + if (!words.hasNext()) { + throw new DieBoxException("Number of sides to polyhedral-die must be provided"); + } else { + StatementValue sideValue = state.runStatement(words); + + if (sideValue.type == INTEGER) { + int numSides = ((IntegerStatementValue)sideValue).value; + + if (numSides < 0) throw new DieBoxException("Number of sides to polyhedral-die was not valid (must be less than 0, was %d)", numSides); + + return new DieStatementValue(DieFactory.polyhedral(numSides)); + } else { + throw new DieBoxException("Number of sides to polyhedral-die wasn't an integer (was %s, of type %s)", + sideValue, sideValue.type); + } + } + } + + @Override + public String shortHelp() { + return "create a single polyhedral die"; + } + + @Override + public String longHelp() { + return "Creates a single polyhedral die with a fixed number of sides"; + } +}
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