Examples of org.jnode.shell.CommandLine.parseCommandLine()

org.jnode.shell.CommandLine.parseCommandLine()
Perform command line argument parsing in preparation to invoking a command. This locates the command's class and a suitable command line syntax, then parses against the Syntax, binding the command arguments to Argument objects in an ArgumentBundle object obtained from the Command object.
Note that the async invokers don't use this method. Instead, they obtain the CommandInfo in the parent thread, then create the command instance and do the argument parsing in the child thread / proclet / isolate. @param shell the context for resolving command aliases and locating syntaxes @return a CompandInfo which includes the command instance to which the arguments have been bound @throws ShellException if the chosen syntax doesn't match the command line arguments or therewas a problem instantiating the command

        CommandLine cl;
        CommandInfo cmdInfo;
        Command cmd;


        cl = new CommandLine(new Token("cmd"), new Token[] {}, null);
        cmdInfo = cl.parseCommandLine(shell);
        cmd = cmdInfo.createCommandInstance();
        Assert.assertEquals(0, cmd.getArgumentBundle().getArgument("fileArg").getValues().length);
        Assert.assertEquals(0, cmd.getArgumentBundle().getArgument("intArg").getValues().length);
        Assert.assertEquals(0, cmd.getArgumentBundle().getArgument("otherArg").getValues().length);

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        Assert.assertEquals(0, cmd.getArgumentBundle().getArgument("otherArg").getValues().length);


        cl =
                new CommandLine(new Token("cmd"), new Token[] {new Token("-f"), new Token("F1")},
                        null);
        cmdInfo = cl.parseCommandLine(shell);
        cmd = cmdInfo.createCommandInstance();
        Assert.assertEquals(1, cmd.getArgumentBundle().getArgument("fileArg").getValues().length);
        Assert.assertEquals(0, cmd.getArgumentBundle().getArgument("intArg").getValues().length);
        Assert.assertEquals(0, cmd.getArgumentBundle().getArgument("otherArg").getValues().length);
        Assert.assertEquals("F1", cmd.getArgumentBundle().getArgument("fileArg").getValue()

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                .toString());


        cl =
                new CommandLine(new Token("cmd"), new Token[] {new Token("-f"), new Token("F1"),
                    new Token("-i"), new Token("1")}, null);
        cmdInfo = cl.parseCommandLine(shell);
        cmd = cmdInfo.createCommandInstance();
        Assert.assertEquals(1, cmd.getArgumentBundle().getArgument("fileArg").getValues().length);
        Assert.assertEquals(1, cmd.getArgumentBundle().getArgument("intArg").getValues().length);
        Assert.assertEquals(0, cmd.getArgumentBundle().getArgument("otherArg").getValues().length);
        Assert.assertEquals("F1", cmd.getArgumentBundle().getArgument("fileArg").getValue()

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                .toString());


        cl =
                new CommandLine(new Token("cmd"), new Token[] {new Token("-i"), new Token("1"),
                    new Token("-f"), new Token("F1")}, null);
        cmdInfo = cl.parseCommandLine(shell);
        cmd = cmdInfo.createCommandInstance();
        Assert.assertEquals(1, cmd.getArgumentBundle().getArgument("fileArg").getValues().length);
        Assert.assertEquals(1, cmd.getArgumentBundle().getArgument("intArg").getValues().length);
        Assert.assertEquals(0, cmd.getArgumentBundle().getArgument("otherArg").getValues().length);
        Assert.assertEquals("F1", cmd.getArgumentBundle().getArgument("fileArg").getValue()

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                .toString());


        cl =
                new CommandLine(new Token("cmd"), new Token[] {new Token("-i"), new Token("1"),
                    new Token("-f"), new Token("F1"), new Token("-i"), new Token("2")}, null);
        cmdInfo = cl.parseCommandLine(shell);
        cmd = cmdInfo.createCommandInstance();
        Assert.assertEquals(1, cmd.getArgumentBundle().getArgument("fileArg").getValues().length);
        Assert.assertEquals(2, cmd.getArgumentBundle().getArgument("intArg").getValues().length);
        Assert.assertEquals(0, cmd.getArgumentBundle().getArgument("otherArg").getValues().length);
    }

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