Package dev.zemco.codegame.compilation.parsing

Class FactorySingleParameterInstructionParser

java.lang.Object

dev.zemco.codegame.compilation.parsing.AbstractNamedParametrizedInstructionParser

dev.zemco.codegame.compilation.parsing.FactorySingleParameterInstructionParser

All Implemented Interfaces:

IInstructionParser

Direct Known Subclasses:

FactorySingleIntegerParameterInstructionParser

public class FactorySingleParameterInstructionParser
extends AbstractNamedParametrizedInstructionParser

Parses a named instruction with a single parameter by requesting it from a backing factory. The backing factory cannot be modified after construction.

Author:

Erik Zemčík

See Also:

• FactorySingleParameterInstructionParser.IStringInstructionFactory

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static interface	FactorySingleParameterInstructionParser.IStringInstructionFactory	Produces instructions from a single string parameter.

Constructor Summary

Constructors

Constructor	Description
FactorySingleParameterInstructionParser(String instructionName, FactorySingleParameterInstructionParser.IStringInstructionFactory instructionFactory)	Creates an instance of FactorySingleParameterInstructionParser that parses instructions with the given name by requesting them from the given backing factory.

Method Summary

Modifier and Type	Method	Description
protected Optional<IInstruction>	parseInstructionFromParameters(String[] parameters)	Parses the named instruction by requesting it from the backing factory.

Methods inherited from class dev.zemco.codegame.compilation.parsing.AbstractNamedParametrizedInstructionParser

checkParameterFixedCount, parseInstruction

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

FactorySingleParameterInstructionParser

public FactorySingleParameterInstructionParser(String instructionName,
 FactorySingleParameterInstructionParser.IStringInstructionFactory instructionFactory)

Creates an instance of FactorySingleParameterInstructionParser that parses instructions with the given name by requesting them from the given backing factory.

Parameters:

instructionName - name of the raw instruction

instructionFactory - source of parsed instructions

Throws:

IllegalArgumentException - if instructionName is null or empty or if instructionFactory is null

Method Details

parseInstructionFromParameters

protected Optional<IInstruction> parseInstructionFromParameters(String[] parameters)

Parses the named instruction by requesting it from the backing factory. The parameters argument contain a single parameter.

Specified by:

parseInstructionFromParameters in class AbstractNamedParametrizedInstructionParser

Parameters:

parameters - raw instruction parameters

Returns:

instruction from the backing factory

Throws:

IllegalArgumentException - if parameters are null

InstructionParseException - if length of parameters is not zero or if factory fails to parse the instruction