Examples of org.jnode.shell.syntax.RepeatSyntax

org.jnode.shell.syntax.RepeatSyntax
A RepeatedSyntax instance specifies that a given 'child' syntax may be repeated a number of times as determined by the constructor arguments. These allow you to specify a minimum and/or maximum bound on the number of repetitions, and to specify whether the syntax is 'eager' (i.e. matching as many instances as possible) or 'lazy' (i.e. matching as few instances as possible). @author crawley@jnode.org


            if (bundle == null) {
                // We're missing the argument bundle.  We assume this is a 'classic' Java application 
                // that does its own argument parsing and completion like a UNIX shell; i.e. 
                // completing each argument as a pathname.
                Syntax syntax = new RepeatSyntax(new ArgumentSyntax("argument"));
                syntaxes = new SyntaxBundle(cmd, syntax);
                bundle = new ArgumentBundle(
                    new FileArgument("argument", Argument.MULTIPLE));
            } else if (syntaxes == null) {
                // We're missing the syntax, but we do have an argument bundle.  Generate

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    public void testFormat() {
        Test test = new Test();
        Syntax syntax1 = new SequenceSyntax(new ArgumentSyntax("fileArg"));
        Assert.assertEquals("<fileArg>", syntax1.format(test.getArgumentBundle()));
        Syntax syntax2 =
                new SequenceSyntax(new RepeatSyntax(new ArgumentSyntax("fileArg")),
                        new ArgumentSyntax("intArg"));
        Assert.assertEquals("[ <fileArg> ... ] <intArg>", syntax2.format(test.getArgumentBundle()));
        Syntax syntax3 = new SequenceSyntax();
        Assert.assertEquals("", syntax3.format(test.getArgumentBundle()));
    }

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    @org.junit.Test
    public void testTwo() throws Exception {
        TestShell shell = new TestShell();
        shell.addAlias("cmd", "org.jnode.test.shell.syntax.SequenceSyntaxTest$Test");
        shell.addSyntax("cmd", new SequenceSyntax(new RepeatSyntax(new ArgumentSyntax("fileArg")),
                new ArgumentSyntax("intArg")));


        CommandLine cl;
        CommandInfo cmdInfo;
        Command cmd;

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    public void testLazy() throws Exception {
        TestShell shell = new TestShell();
        shell.addAlias("cmd", "org.jnode.test.shell.syntax.PowersetSyntaxTest$Test");
        shell.addSyntax("cmd", new SequenceSyntax(new PowersetSyntax(
                new OptionSyntax("intArg", 'i'), new OptionSyntax("fileArg", 'f')),
                new RepeatSyntax(new OptionSyntax("otherArg", 'i'))));


        CommandLine cl;
        CommandInfo cmdInfo;
        Command cmd;

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    public void testEager() throws Exception {
        TestShell shell = new TestShell();
        shell.addAlias("cmd", "org.jnode.test.shell.syntax.PowersetSyntaxTest$Test");
        shell.addSyntax("cmd", new SequenceSyntax(new PowersetSyntax(null, true, null,
                new OptionSyntax("intArg", 'i'), new OptionSyntax("fileArg", 'f')),
                new RepeatSyntax(new OptionSyntax("otherArg", 'i'))));


        CommandLine cl;
        CommandInfo cmdInfo;
        Command cmd;

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Related Classes of org.jnode.shell.syntax.RepeatSyntax

org.jnode.nanoxml.XMLElement

org.jnode.shell.CommandLine

org.jnode.test.shell.syntax.ArgumentMultiplicityTest

org.jnode.test.shell.syntax.OptionSyntaxTest

org.jnode.test.shell.syntax.PowersetSyntaxTest

org.jnode.test.shell.syntax.RepeatSyntaxTest

org.jnode.test.shell.syntax.SequenceSyntaxTest

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