generateDimensions.php

<?php
/**
 * data/generateDimensions.php
 *
 * @package default
 * @see functions.php
 */


require_once "functions.php";

if (ENFORCE_DATA_GENERATION_DURING_RUNTIME) {
  $files = glob("data/dimensions-subdimensions-activities/*/*.yaml");
  $dimensions=array();
  foreach ($files as $filename) {
    //echo "Found $filename";
    if (preg_match("/_meta.yaml/", $filename)) continue;
    $dimension = getDimensions($filename);
    if (array_key_exists("_yaml_references", $dimension)) {
      unset($dimension['_yaml_references']);
    }
    $dimensions = array_merge_recursive($dimensions, $dimension);
  }

  $files = glob("data/custom/*/*.yaml");
  $dimensionsCustom=array();
  $dimensionsAggregated=array();
  foreach ($files as $filename) {
    //echo "Found $filename";
    $dimensionCustom = getDimensions($filename);
    $dimensionsCustom = array_merge_recursive($dimensionsCustom, $dimensionCustom);
  }
  if (sizeof($files) > 0) {
    $dimensions = array_merge_recursive_ex($dimensions, $dimensionsCustom);
    foreach (getActions($dimensions) as list($dimension, $subdimension, $activities)) {
      if (!array_key_exists($dimension, $dimensionsAggregated)) $dimensionsAggregated[$dimension] = array();
      if (!array_key_exists($subdimension, $dimensionsAggregated[$dimension])) $dimensionsAggregated[$dimension][$subdimension] = array();
      foreach ($activities as $activityName => $activity) {
        if (isActivityExisting($dimensionsCustom, $activityName)) {
          $dimensionsAggregated[$dimension][$subdimension][$activityName] = $activity;
        }
      }
    }
  } else {
    $dimensionsAggregated=$dimensions;
  }

  foreach ($dimensions as $dimension => $subdimensions) {
    ksort($subdimensions);

    foreach ($subdimensions as $subdimension => $elements) {
      if (substr($subdimension, 0, 1) == "_")
        continue;
      foreach ($elements as $activityName => $activity)
        if (!array_key_exists("level", $activity)) {
          echo "'$activityName' is not complete!";
          echo "<pre>";
          var_dump($activity);
          echo "</pre>";
          exit;
        }
    }
  }


  resolve_json_ref($dimensionsAggregated);

  $dimensionsString = yaml_emit($dimensionsAggregated);
  file_put_contents("data/generated/dimensions.yaml", $dimensionsString);
}


/**
 *
 * @param unknown $dimensions
 * @param unknown $activityName
 * @return unknown
 */
function isActivityExisting($dimensions, $activityName) {
  foreach (getActions($dimensions) as list($dimension, $subdimension, $activities)) {
    foreach ($activities as $activity => $activityContent) {
      if ($activity == $activityName) {
        return true;
      }
    }
  }
  return false;
}


/**
 *
 * @param array   $array1
 * @param array   $array2
 * @return unknown
 */
function array_merge_recursive_ex(array $array1, array $array2) {
  $merged = $array1;

  foreach ($array2 as $key => & $value) {
    if (is_array($value) && isset($merged[$key]) && is_array($merged[$key])) {
      $merged[$key] = array_merge_recursive_ex($merged[$key], $value);
    } else if (is_numeric($key)) {
      if (!in_array($value, $merged)) {
        $merged[] = $value;
      }
    } else {
      $merged[$key] = $value;
    }
  }

  return $merged;
}


/**
 * Traverse in-place an array and replaces json-pointers.
 *
 * @param unknown $data (reference)
 */
function resolve_json_ref(&$data) {


  /**
   *
   * @param unknown $value (reference)
   * @param unknown $key
   * @param unknown $ctx
   */
  function resolve_json_ref_cb(&$value, $key, $ctx) {
    if (! is_array($value)) {
      return;
    }

    if (!array_key_exists('$ref', $value)) {
      $ctx["ctx"] = &$value;
      array_walk($value, "resolve_json_ref_cb", $ctx);
      return;
    }

    // echo "key: $key\nvalue: ".var_dump($ctx). "\n";
    $ctx["ctx"][$key] = readYaml($value['$ref']);

  }


  // Create a context variable to store
  // the reference to the actual data, so that
  // resolve_reference can replace them.
  $ctx = array("ctx" => null);
  array_walk($data, "resolve_json_ref_cb", $ctx);
}