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39 lines
1.2 KiB
39 lines
1.2 KiB
3 years ago
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package patronInterpreter;
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//Esta clase es la encargada de interpretar el contexto.
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public abstract class Expression {
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public void interpret(Context context)
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{
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if (context.getInput().length() == 0)
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return;
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if (context.getInput().startsWith(nine()))
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{
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context.setOutput(context.getOutput() + (9 * multiplier()));
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context.setInput(context.getInput().substring(2));
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}
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else if (context.getInput().startsWith(four()))
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{
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context.setOutput(context.getOutput() + (4 * multiplier()));
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context.setInput(context.getInput().substring(2));
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}
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else if (context.getInput().startsWith(five()))
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{
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context.setOutput(context.getOutput() + (5 * multiplier()));
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context.setInput( context.getInput().substring(1));
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}
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while (context.getInput().startsWith(one()))
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{
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context.setOutput(context.getOutput() + (1 * multiplier()));
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context.setInput(context.getInput().substring(1));
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}
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}
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public abstract String one();
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public abstract String four();
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public abstract String five();
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public abstract String nine();
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public abstract int multiplier();
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}
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