cql-execution/lib/elm/literal.js

An execution framework for the Clinical Quality Language (CQL)

// Generated by CoffeeScript 1.12.7
(function() {
  var BooleanLiteral, DecimalLiteral, Expression, IntegerLiteral, Literal, StringLiteral,
    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;

  Expression = require('./expression').Expression;

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

    Literal.from = function(json) {
      switch (json.valueType) {
        case "{urn:hl7-org:elm-types:r1}Boolean":
          return new BooleanLiteral(json);
        case "{urn:hl7-org:elm-types:r1}Integer":
          return new IntegerLiteral(json);
        case "{urn:hl7-org:elm-types:r1}Decimal":
          return new DecimalLiteral(json);
        case "{urn:hl7-org:elm-types:r1}String":
          return new StringLiteral(json);
        default:
          return new Literal(json);
      }
    };

    function Literal(json) {
      Literal.__super__.constructor.apply(this, arguments);
      this.valueType = json.valueType;
      this.value = json.value;
    }

    Literal.prototype.exec = function(ctx) {
      return this.value;
    };

    return Literal;

  })(Expression);

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

    function BooleanLiteral(json) {
      BooleanLiteral.__super__.constructor.apply(this, arguments);
      this.value = this.value === 'true';
    }

    Object.defineProperties(BooleanLiteral.prototype, {
      isBooleanLiteral: {
        get: function() {
          return true;
        }
      }
    });

    BooleanLiteral.prototype.exec = function(ctx) {
      return this.value;
    };

    return BooleanLiteral;

  })(Literal);

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

    function IntegerLiteral(json) {
      IntegerLiteral.__super__.constructor.apply(this, arguments);
      this.value = parseInt(this.value, 10);
    }

    Object.defineProperties(IntegerLiteral.prototype, {
      isIntegerLiteral: {
        get: function() {
          return true;
        }
      }
    });

    IntegerLiteral.prototype.exec = function(ctx) {
      return this.value;
    };

    return IntegerLiteral;

  })(Literal);

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

    function DecimalLiteral(json) {
      DecimalLiteral.__super__.constructor.apply(this, arguments);
      this.value = parseFloat(this.value);
    }

    Object.defineProperties(DecimalLiteral.prototype, {
      isDecimalLiteral: {
        get: function() {
          return true;
        }
      }
    });

    DecimalLiteral.prototype.exec = function(ctx) {
      return this.value;
    };

    return DecimalLiteral;

  })(Literal);

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

    function StringLiteral(json) {
      StringLiteral.__super__.constructor.apply(this, arguments);
    }

    Object.defineProperties(StringLiteral.prototype, {
      isStringLiteral: {
        get: function() {
          return true;
        }
      }
    });

    StringLiteral.prototype.exec = function(ctx) {
      return this.value.replace(/\\'/g, "'").replace(/\\"/g, "\"");
    };

    return StringLiteral;

  })(Literal);

}).call(this);

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