capnp-js/reader/far.js

Capnproto run-time decoding and encoding for Node

var primitives = require('./primitives');
    var next = function(arena, pointer) {
        return {
            segment: arena.getSegment(primitives.uint32(pointer.segment, pointer.position + 4)),
            position: primitives.uint32(pointer.segment, pointer.position) & 4294967288
        };
    };
    exports.next = next;
exports.tag = function(arena, pointer) {
            var land = next(arena, pointer);
            land.position += (pointer.segment[pointer.position] & 4) << 1;
            return land;
        };
exports.blob = function(arena, pointer) {
            var land = next(arena, pointer);
            if (pointer.segment[pointer.position] & 4) {
                return next(arena, land);
            } else {
                var half = primitives.uint32(land.segment, land.position) & 4294967292;
                land.position += 8 + half + half;
                return land;
            }
        };