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package org.zwobble.couscous.interpreter.values;
import org.zwobble.couscous.ast.Operator;
import org.zwobble.couscous.interpreter.errors.NoSuchField;
import org.zwobble.couscous.interpreter.types.InterpreterType;
import org.zwobble.couscous.interpreter.types.IntrinsicInterpreterType;
import org.zwobble.couscous.types.Types;
import org.zwobble.couscous.values.*;
import java.util.Optional;
import static org.zwobble.couscous.util.ExtraLists.list;
public final class StringInterpreterValue implements InterpreterValue {
public static final InterpreterType TYPE = IntrinsicInterpreterType.builder(StringInterpreterValue.class, Types.STRING)
.method("length", list(), Types.INT, (environment, arguments) ->
new IntegerInterpreterValue(arguments.getReceiver().value.length()))
.method("substring", list(Types.INT, Types.INT), Types.STRING, (environment, arguments) -> {
IntegerInterpreterValue startIndex = (IntegerInterpreterValue)arguments.get(0);
IntegerInterpreterValue endIndex = (IntegerInterpreterValue)arguments.get(1);
return of(arguments.getReceiver().value.substring(startIndex.getValue(), endIndex.getValue()));
})
.method(Operator.ADD.getSymbol(), list(Types.STRING), Types.STRING, (environment, arguments) -> {
StringInterpreterValue right = (StringInterpreterValue)arguments.get(0);
return of(arguments.getReceiver().value + right.value);
})
.method("toLowerCase", list(), Types.STRING, (environment, arguments) ->
of(arguments.getReceiver().value.toLowerCase()))
.method("equals", list(Types.OBJECT), Types.BOOLEAN, (environment, arguments) -> {
InterpreterValue right = arguments.get(0);
if (right instanceof StringInterpreterValue) {
return BooleanInterpreterValue.of(arguments.getReceiver().value.equals(((StringInterpreterValue)right).value));
} else {
return InterpreterValues.FALSE;
}
})
.build();
private final String value;
private StringInterpreterValue(final String value) {
this.value = value;
}
public static StringInterpreterValue of(final String value) {
return new StringInterpreterValue(value);
}
@Override
public InterpreterType getType() {
return TYPE;
}
@Override
public Optional<PrimitiveValue> toPrimitiveValue() {
return Optional.of(PrimitiveValues.value(value));
}
@Override
public InterpreterValue getField(String fieldName) {
throw new NoSuchField(fieldName);
}
@Override
public void setField(String fieldName, InterpreterValue value) {
throw new NoSuchField(fieldName);
}
public String getValue() {
return this.value;
}
@java.lang.Override
public boolean equals(final java.lang.Object o) {
if (o == this) return true;
if (!(o instanceof StringInterpreterValue)) return false;
final StringInterpreterValue other = (StringInterpreterValue)o;
final java.lang.Object this$value = this.getValue();
final java.lang.Object other$value = other.getValue();
if (this$value == null ? other$value != null : !this$value.equals(other$value)) return false;
return true;
}
@java.lang.Override
public int hashCode() {
final int PRIME = 59;
int result = 1;
final java.lang.Object $value = this.getValue();
result = result * PRIME + ($value == null ? 43 : $value.hashCode());
return result;
}
@java.lang.Override
public java.lang.String toString() {
return "StringInterpreterValue(value=" + this.getValue() + ")";
}
}
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