getdoc.js

function GdDocument(name) {
  this.name = name;
  this.sources = [];
}

function GdProcess(inputs, outputs) {
  this.inputs = inputs;
  this.outputs = outputs;

  for (var i in this.outputs) {
    this.outputs[i].sources.push(this);
  }
}

function GdCondition() {

}

function GdConditional(doc, condition) {
  this.doc = doc;
  this.condition = condition;
}
function cond(condition, doc) {
  return new GdConditional(doc, condition);
}
function req(doc) {
  return new GdConditional(doc, null);
}

function And(a, b) {
  this.a = a;
  this.b = b;
}
function and(a, b) {
  return new And(a ,b);
}



var passport = new GdDocument("passport");
var registration = new GdDocument("registration");
var form32 = new GdDocument("form32");

var male_age_17_27 = new GdCondition();

var foreignPassport = new GdDocument("zagran");

var initialGetForeignPassport = new GdProcess(
    [
      req(passport),
      req(registration),
      cond(male_age_17_27, form32)
    ],
    [
      foreignPassport
    ]
);