cql-execution/lib/elm/structured.js

An execution framework for the Clinical Quality Language (CQL)

// Generated by CoffeeScript 1.12.7
(function() {
  var Expression, Property, Tuple, TupleElement, TupleElementDefinition, UnimplementedExpression, build, ref,
    extend = function(child, parent) { for (var key in parent) { if (hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; },
    hasProp = {}.hasOwnProperty;

  ref = require('./expression'), Expression = ref.Expression, UnimplementedExpression = ref.UnimplementedExpression;

  build = require('./builder').build;

  module.exports.Property = Property = (function(superClass) {
    extend(Property, superClass);

    function Property(json) {
      Property.__super__.constructor.apply(this, arguments);
      this.scope = json.scope;
      this.source = build(json.source);
      this.path = json.path;
    }

    Property.prototype.exec = function(ctx) {
      var _obj, curr_obj, curr_val, i, len, obj, part, parts, ref1, ref2, val;
      obj = this.scope != null ? ctx.get(this.scope) : this.source;
      if (obj instanceof Expression) {
        obj = obj.execute(ctx);
      }
      val = (ref1 = obj != null ? obj[this.path] : void 0) != null ? ref1 : obj != null ? typeof obj.get === "function" ? obj.get(this.path) : void 0 : void 0;
      if (!val) {
        parts = this.path.split(".");
        curr_obj = obj;
        curr_val = null;
        for (i = 0, len = parts.length; i < len; i++) {
          part = parts[i];
          _obj = (ref2 = curr_obj != null ? curr_obj[part] : void 0) != null ? ref2 : curr_obj != null ? typeof curr_obj.get === "function" ? curr_obj.get(part) : void 0 : void 0;
          curr_obj = _obj instanceof Function ? _obj.call(curr_obj) : _obj;
        }
        val = curr_obj != null ? curr_obj : null;
      }
      if (val instanceof Function) {
        return val.call(obj);
      } else {
        return val;
      }
    };

    return Property;

  })(Expression);

  module.exports.Tuple = Tuple = (function(superClass) {
    extend(Tuple, superClass);

    function Tuple(json) {
      var el;
      Tuple.__super__.constructor.apply(this, arguments);
      this.elements = (function() {
        var i, len, ref1, results;
        ref1 = json.element;
        results = [];
        for (i = 0, len = ref1.length; i < len; i++) {
          el = ref1[i];
          results.push({
            name: el.name,
            value: build(el.value)
          });
        }
        return results;
      })();
    }

    Object.defineProperties(Tuple.prototype, {
      isTuple: {
        get: function() {
          return true;
        }
      }
    });

    Tuple.prototype.exec = function(ctx) {
      var el, i, len, ref1, ref2, val;
      val = {};
      ref1 = this.elements;
      for (i = 0, len = ref1.length; i < len; i++) {
        el = ref1[i];
        val[el.name] = (ref2 = el.value) != null ? ref2.execute(ctx) : void 0;
      }
      return val;
    };

    return Tuple;

  })(Expression);

  module.exports.TupleElement = TupleElement = (function(superClass) {
    extend(TupleElement, superClass);

    function TupleElement() {
      return TupleElement.__super__.constructor.apply(this, arguments);
    }

    return TupleElement;

  })(UnimplementedExpression);

  module.exports.TupleElementDefinition = TupleElementDefinition = (function(superClass) {
    extend(TupleElementDefinition, superClass);

    function TupleElementDefinition() {
      return TupleElementDefinition.__super__.constructor.apply(this, arguments);
    }

    return TupleElementDefinition;

  })(UnimplementedExpression);

}).call(this);

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