sourcetype.php

<?php
 
namespace Bitrix\Bizproc\Workflow\Template;
 
class SourceType
{
    const DocumentField = 'Document';
    const Parameter = 'Parameter';
    const Variable = 'Variable';
    const Constant = 'Constant';
    const GlobalConstant = 'GlobalConst';
    const GlobalVariable = 'GlobalVar';
    const System = 'System';
    const Activity = 'Activity';
    const CalcFunction = 'Function';
 
    public static function isType($type)
    {
        $ref = new \ReflectionClass(__CLASS__);
        $constants = array_flip($ref->getConstants());
 
        return (isset($constants[$type]));
    }
 
    public static function getObjectSourceType($objectName, $fieldName): ?array
    {
        if (mb_substr($fieldName, -10) === '_printable')
        {
            $fieldName = mb_substr($fieldName, 0, -10);
        }
 
        if ($objectName === static::DocumentField)
        {
            return [static::DocumentField, $fieldName];
        }
        elseif ($objectName === 'Template' || $objectName === static::Parameter)
        {
            return [static::Parameter, $fieldName];
        }
        elseif ($objectName === static::Variable)
        {
            return [static::Variable, $fieldName];
        }
        elseif ($objectName === static::Constant)
        {
            return [static::Constant, $fieldName];
        }
        elseif ($objectName === static::GlobalConstant)
        {
            return [static::GlobalConstant, $fieldName];
        }
        elseif ($objectName === static::GlobalVariable)
        {
            return [static::GlobalVariable, $fieldName];
        }
        elseif (in_array($objectName, ['Workflow', 'User', static::System]))
        {
            // ['System', 'User', 'Id'] => User:Id
            return [static::System, $objectName, $fieldName];
        }
        elseif ($objectName)
        {
            // ['Activity', 'A49308_81258_73524_17187', 'TITLE'] => A49308_81258_73524_17187:TITLE
            return [static::Activity, $objectName, $fieldName];
        }
 
        return null;
    }
}