Examples of org.jruby.RubyArray

org.jruby.RubyArray
The implementation of the built-in class Array in Ruby. Concurrency: no synchronization is required among readers, but all users must synchronize externally with writers.

        int count = Util.int32Value(length);
        checkBounds(context, offset, count * 4);
        long[] array = new long[count];
        getMemoryIO().get(getOffset(offset), array, 0, array.length);
        Ruby runtime = context.getRuntime();
        RubyArray arr = RubyArray.newArray(runtime, array.length);
        for (int i = 0; i < array.length; ++i) {
            arr.add(RubyFixnum.newFixnum(runtime, array[i]));
        }
        return arr;
    }

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        }
        return arr;
    }
    @JRubyMethod(name = "put_array_of_int64", required = 2)
    public IRubyObject put_array_of_int64(ThreadContext context, IRubyObject offset, IRubyObject arrParam) {
        RubyArray arr = (RubyArray) arrParam;
        int count = arr.getLength();
        checkBounds(context, offset, count * 8);
        long[] array = new long[count];
        for (int i = 0; i < array.length; ++i) {
            array[i] = Util.int64Value((IRubyObject) arr.entry(i));
        }
        getMemoryIO().put(getOffset(offset), array, 0, array.length);
        return this;
    }

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        int count = Util.int32Value(length);
        checkBounds(context, offset, count * 4);
        float[] array = new float[count];
        getMemoryIO().get(getOffset(offset), array, 0, array.length);
        Ruby runtime = context.getRuntime();
        RubyArray arr = RubyArray.newArray(runtime, array.length);
        for (int i = 0; i < array.length; ++i) {
            arr.add(RubyFloat.newFloat(runtime, array[i]));
        }
        return arr;
    }

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        }
        return arr;
    }
    @JRubyMethod(name = { "put_array_of_float32", "put_array_of_float" }, required = 2)
    public IRubyObject put_array_of_float(ThreadContext context, IRubyObject offset, IRubyObject arrParam) {
        RubyArray arr = (RubyArray) arrParam;
        int count = arr.getLength();
        checkBounds(context, offset, count * 4);
        float[] array = new float[count];
        for (int i = 0; i < array.length; ++i) {
            array[i] = Util.floatValue((IRubyObject) arr.entry(i));
        }
        getMemoryIO().put(getOffset(offset), array, 0, array.length);
        return this;
    }

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        int count = Util.int32Value(length);
        checkBounds(context, offset, count * 8);
        double[] array = new double[count];
        getMemoryIO().get(getOffset(offset), array, 0, array.length);
        Ruby runtime = context.getRuntime();
        RubyArray arr = RubyArray.newArray(runtime, array.length);
        for (int i = 0; i < array.length; ++i) {
            arr.add(RubyFloat.newFloat(runtime, array[i]));
        }
        return arr;
    }

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        }
        return arr;
    }
    @JRubyMethod(name = { "put_array_of_float64", "put_array_of_double" }, required = 2)
    public IRubyObject put_array_of_float64(ThreadContext context, IRubyObject offset, IRubyObject arrParam) {
        RubyArray arr = (RubyArray) arrParam;
        int count = arr.getLength();
        checkBounds(context, offset, count * 8);
        double[] array = new double[count];
        for (int i = 0; i < array.length; ++i) {
            array[i] = Util.doubleValue((IRubyObject) arr.entry(i));
        }
        getMemoryIO().put(getOffset(offset), array, 0, array.length);
        return this;
    }

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                // implement all forces implementation of all interfaces we intend
                // for this class to implement
                singleton.addMethod("implement_all", new JavaMethodOne(clazz, Visibility.PRIVATE) {
                    @Override
                    public IRubyObject call(ThreadContext context, IRubyObject self, RubyModule clazz, String name, IRubyObject arg) {
                        RubyArray javaInterfaces = (RubyArray)self.getInstanceVariables().fastGetInstanceVariable("@java_interfaces");
                        for (int i = 0; i < javaInterfaces.size(); i++) {
                            RuntimeHelpers.invoke(context, Java.JavaUtilities.get_interface_module(self, javaInterfaces.eltInternal(i)), "implement", self);
                        }
                        return javaInterfaces;
                    }
                });
            }
        } else {
            // we've already done the above priming logic, just add another interface
            // to the list of intentions unless we're past the point of no return or
            // already intend to implement the given interface
            if (!(javaInterfaces.isFrozen() || ((RubyArray)javaInterfaces).includes(context, javaClass))) {
                ((RubyArray)javaInterfaces).append(javaClassObj);
            }
        }
    }

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        // variable to hold the list of interfaces, and modify append_features
        // for this module to call append_features on each of those interfaces as
        // well
        synchronized (module) {
            if (!module.getInstanceVariables().fastHasInstanceVariable("@java_interface_mods")) {
                RubyArray javaInterfaceMods = RubyArray.newArray(runtime, self);
                module.getInstanceVariables().fastSetInstanceVariable("@java_interface_mods", javaInterfaceMods);
                RubyClass singleton = module.getSingletonClass();


                singleton.addMethod("append_features", new JavaMethodOneBlock(singleton, Visibility.PUBLIC) {
                    @Override
                    public IRubyObject call(ThreadContext context, IRubyObject self, RubyModule clazz, String name, IRubyObject arg, Block block) {
                        if (!(arg instanceof RubyClass)) {
                            throw context.getRuntime().newTypeError("append_features called with non-class");
                        }
                        RubyClass target = (RubyClass)arg;
                        RubyArray javaInterfaceMods = (RubyArray)self.getInstanceVariables().fastGetInstanceVariable("@java_interface_mods");


                        target.include(javaInterfaceMods.toJavaArray());


                        return RuntimeHelpers.invokeAs(context, clazz.getSuperClass(), self, name, arg, block);
                    }
                });
            } else {
                // already set up append_features, just add the interface if we haven't already
                RubyArray javaInterfaceMods =(RubyArray)module.getInstanceVariables().fastGetInstanceVariable("@java_interface_mods");
                if (!javaInterfaceMods.includes(context, self)) {
                    javaInterfaceMods.append(self);
                }
            }
        }
    }

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    //
    // utility methods
    //


    protected RubyArray buildRubyArray(IRubyObject[] constructors) {
        RubyArray result = getRuntime().newArray(constructors.length);
        for (int i = 0; i < constructors.length; i++) {
            result.append(constructors[i]);
        }
        return result;
    }

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        }
        return result;
    }


    protected RubyArray buildRubyArray(Class[] classes) {
        RubyArray result = getRuntime().newArray(classes.length);
        for (int i = 0; i < classes.length; i++) {
            result.append(JavaClass.get(getRuntime(), classes[i]));
        }
        return result;
    }

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