add.inc in Units of Measurement 7.2

File

plugins/operator/add.inc

<?php

/**
 * @file
 * Declaration of addition cTools "operator" plugin.
 */
$plugin = array(
  'title' => t('Addition'),
  'description' => t('Add 2 values.'),
  'sign' => '+',
  'transparent operand1' => 0,
  'transparent operand2' => 0,
  'precedence' => 1,
  'dimension check' => TRUE,
  'evaluate callback' => 'units_operator_add_evaluate',
  'dimension callback' => 'units_operator_add_dimension',
  'split quantity callback' => 'units_operator_add_split_quantity',
  'isolate operand callback' => 'units_operator_add_isolate_operand',
  'sql evaluate fragment' => 'SET result = token1 + token2;',
  'operator class' => 'UnitsMathematicalOperatorLinear',
);
function units_operator_add_evaluate($operand1, $operand2) {
  return $operand1 + $operand2;
}
function units_operator_add_dimension($dimension1, $dimension2, $operator1, $operator2) {

  // We require 'dimension check', so both provided dimensions must be the same,
  // and since addition does not actually alter resulting dimension, we just
  // return the first dimension.
  return $dimension1;
}
function units_operator_add_split_quantity($total_quantity, $quantity1, $quantity2, $plugin) {
  $greatest_quantity = max($quantity1, $quantity2);
  $for_greater_quantity = floor($total_quantity / $greatest_quantity) * $greatest_quantity;
  $for_fewer_quantity = $total_quantity - $for_greater_quantity;
  return $quantity1 > $quantity2 ? array(
    $for_greater_quantity,
    $for_fewer_quantity,
  ) : array(
    $for_fewer_quantity,
    $for_greater_quantity,
  );
}
function units_operator_add_isolate_operand(UnitsMathematicalExpression $operand1, UnitsMathematicalExpression $operand2, UnitsMathematicalExpression $equal_operand, $operand_to_isolate) {
  if ($operand_to_isolate == 1) {
    $operand_to_keep = $operand2;
  }
  else {
    $operand_to_keep = $operand1;
  }
  return units_mathematical_expression_operator_construct(units_get_operator('subtract'), $equal_operand, $operand_to_keep);
}

Functions

Name	Description
units_operator_add_dimension
units_operator_add_evaluate
units_operator_add_isolate_operand
units_operator_add_split_quantity