Examples of BlockCallback

org.jruby.runtime.BlockCallback
A simple interface for creating a callback using JRuby's block logic.

Examples of org.jruby.runtime.BlockCallback

        if (!block.isGiven()) return enumeratorize(runtime, self, "minmax_by");


        final IRubyObject result[] = new IRubyObject[] { runtime.getNil(), runtime.getNil() };
        final ThreadContext localContext = context;


        callEach(runtime, context, self, new BlockCallback() {
            IRubyObject minMemo = null, maxMemo = null;
            public IRubyObject call(ThreadContext ctx, IRubyObject[] largs, Block blk) {
                checkContext(localContext, ctx, "minmax_by");
                IRubyObject arg = largs[0];
                IRubyObject v = block.yield(ctx, arg);

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Examples of org.jruby.runtime.BlockCallback

        final Ruby runtime = context.getRuntime();
        final ThreadContext localContext = context;
        
        try {
            if (block.isGiven()) {
                callEach(runtime, context, self, new BlockCallback() {
                    public IRubyObject call(ThreadContext ctx, IRubyObject[] largs, Block blk) {
                        checkContext(localContext, ctx, "none?");
                        if (block.yield(ctx, largs[0]).isTrue()) throw JumpException.SPECIAL_JUMP; 
                        return runtime.getNil();
                        
                    }
                });
            } else {
                callEach(runtime, context, self, new BlockCallback() {
                    public IRubyObject call(ThreadContext ctx, IRubyObject[] largs, Block blk) {
                        checkContext(localContext, ctx, "none?");
                        if (largs[0].isTrue()) throw JumpException.SPECIAL_JUMP;
                        return runtime.getNil();
                    }

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Examples of org.jruby.runtime.BlockCallback

        final ThreadContext localContext = context;
        final boolean[] result = new boolean[] { false };
        
        try {
            if (block.isGiven()) {
                callEach(runtime, context, self, new BlockCallback() {
                    public IRubyObject call(ThreadContext ctx, IRubyObject[] largs, Block blk) {
                        checkContext(localContext, ctx, "one?");
                        if (block.yield(ctx, largs[0]).isTrue()) {
                            if (result[0]) {
                                throw JumpException.SPECIAL_JUMP;
                            } else {
                                result[0] = true;
                            }
                        }
                        return runtime.getNil();
                    }
                });
            } else {
                callEach(runtime, context, self, new BlockCallback() {
                    public IRubyObject call(ThreadContext ctx, IRubyObject[] largs, Block blk) {
                        checkContext(localContext, ctx, "one?");
                        if (largs[0].isTrue()) {
                            if (result[0]) {
                                throw JumpException.SPECIAL_JUMP;

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Examples of org.jruby.runtime.BlockCallback

        final Ruby runtime = context.getRuntime();
        final ThreadContext localContext = context;


        try {
            if (block.isGiven()) {
                callEach(runtime, context, self, new BlockCallback() {
                    public IRubyObject call(ThreadContext ctx, IRubyObject[] largs, Block blk) {
                        checkContext(localContext, ctx, "all?");
                        if (!block.yield(ctx, largs[0]).isTrue()) {
                            throw JumpException.SPECIAL_JUMP;
                        }
                        return runtime.getNil();
                    }
                });
            } else {
                callEach(runtime, context, self, new BlockCallback() {
                    public IRubyObject call(ThreadContext ctx, IRubyObject[] largs, Block blk) {
                        checkContext(localContext, ctx, "all?");
                        if (!largs[0].isTrue()) {
                            throw JumpException.SPECIAL_JUMP;
                        }

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Examples of org.jruby.runtime.BlockCallback

        final Ruby runtime = context.getRuntime();
        final ThreadContext localContext = context;


        try {
            if (block.isGiven()) {
                callEach(runtime, context, self, new BlockCallback() {
                    public IRubyObject call(ThreadContext ctx, IRubyObject[] largs, Block blk) {
                        checkContext(localContext, ctx, "any?");
                        if (block.yield(ctx, largs[0]).isTrue()) {
                            throw JumpException.SPECIAL_JUMP;
                        }
                        return runtime.getNil();
                    }
                });
            } else {
                callEach(runtime, context, self, new BlockCallback() {
                    public IRubyObject call(ThreadContext ctx, IRubyObject[] largs, Block blk) {
                        checkContext(localContext, ctx, "any?");
                        if (largs[0].isTrue()) {
                            throw JumpException.SPECIAL_JUMP;
                        }

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Examples of org.jruby.runtime.BlockCallback

        }
        
        final int aLen = args.length + 1;


        if (block.isGiven()) {
            callEach(runtime, context, self, new BlockCallback() {
                AtomicInteger ix = new AtomicInteger(0);


                public IRubyObject call(ThreadContext ctx, IRubyObject[] largs, Block blk) {
                    RubyArray array = runtime.newArray(aLen);
                    int myIx = ix.getAndIncrement();
                    array.append(largs[0]);
                    for (int i = 0, j = args.length; i < j; i++) {
                        array.append(((RubyArray) args[i]).entry(myIx));
                    }
                    block.yield(ctx, array);
                    return runtime.getNil();
                }
            });
            return runtime.getNil();
        } else {
            final RubyArray zip = runtime.newArray();
            callEach(runtime, context, self, new BlockCallback() {
                AtomicInteger ix = new AtomicInteger(0);


                public IRubyObject call(ThreadContext ctx, IRubyObject[] largs, Block blk) {
                    RubyArray array = runtime.newArray(aLen);
                    array.append(largs[0]);

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Examples of org.jruby.runtime.BlockCallback

        
        if (!block.isGiven()) return RubyEnumerator.enumeratorize(runtime, self, "group_by");
        
        final RubyHash result = new RubyHash(runtime);


        callEach(runtime, context, self, new BlockCallback() {
            public IRubyObject call(ThreadContext ctx, IRubyObject[] largs, Block blk) {
                IRubyObject key = block.yield(ctx, largs[0]);
                synchronized (result) {
                    RubyArray curr = (RubyArray)result.fastARef(key);

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Examples of org.jruby.runtime.BlockCallback

    public IRubyObject first(ThreadContext context, IRubyObject arg) {
        final Ruby runtime = context.getRuntime();
        final int num = RubyNumeric.num2int(arg);
        final RubyArray result = runtime.newArray(num);
        try {
            RubyEnumerable.callEach(runtime, context, this, Arity.ONE_ARGUMENT, new BlockCallback() {
                int n = num;
                public IRubyObject call(ThreadContext ctx, IRubyObject[] largs, Block blk) {
                    if (n-- <= 0) throw JumpException.SPECIAL_JUMP;
                    result.append(largs[0]);
                    return runtime.getNil();

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Examples of org.jruby.runtime.BlockCallback

            final Ruby runtime = context.getRuntime();
            if (size <= 0) throw runtime.newArgumentError("invalid slice size");


            final RubyArray result[] = new RubyArray[]{runtime.newArray(size)};


            RubyEnumerable.callEach(runtime, context, self, Arity.ONE_ARGUMENT, new BlockCallback() {
                public IRubyObject call(ThreadContext ctx, IRubyObject[] largs, Block blk) {
                    result[0].append(largs[0]);
                    if (result[0].size() == size) {
                        block.yield(ctx, result[0]);
                        result[0] = runtime.newArray(size);

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Examples of org.jruby.runtime.BlockCallback

            final Ruby runtime = context.getRuntime();
            if (size <= 0) throw runtime.newArgumentError("invalid size");


            final RubyArray result = runtime.newArray(size);


            RubyEnumerable.callEach(runtime, context, self, Arity.ONE_ARGUMENT, new BlockCallback() {
                public IRubyObject call(ThreadContext ctx, IRubyObject[] largs, Block blk) {
                    if (result.size() == size) result.shift(ctx);
                    result.append(largs[0]);
                    if (result.size() == size) block.yield(ctx, result.aryDup());
                    return runtime.getNil();

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