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<?php
/**
*
* This file is part of the phpBB Forum Software package.
*
* @copyright (c) phpBB Limited <https://www.phpbb.com>
* @license GNU General Public License, version 2 (GPL-2.0)
*
* For full copyright and license information, please see
* the docs/CREDITS.txt file.
*
*/
namespace phpbb\profilefields\type;
abstract class type_string_common extends type_base
{
    protected $validation_options = array(
        'CHARS_ANY'            => '.*',
        'NUMBERS_ONLY'        => '[0-9]+',
        'ALPHA_ONLY'        => '[a-zA-Z0-9]+',
        'ALPHA_UNDERSCORE'    => '[\w]+',
        'ALPHA_DOTS'        => '[a-zA-Z0-9.]+',
        'ALPHA_SPACERS'        => '[\w\x20+\-\[\]]+',
        'ALPHA_PUNCTUATION' => '[a-zA-Z][\w\.,\-]+',
        'LETTER_NUM_ONLY'            => '[\p{Lu}\p{Ll}0-9]+',
        'LETTER_NUM_UNDERSCORE'        => '[\p{Lu}\p{Ll}0-9_]+',
        'LETTER_NUM_DOTS'            => '[\p{Lu}\p{Ll}0-9.]+',
        'LETTER_NUM_SPACERS'        => '[\p{Lu}\p{Ll}0-9\x20_+\-\[\]]+',
        'LETTER_NUM_PUNCTUATION'    => '[\p{Lu}\p{Ll}][\p{Lu}\p{Ll}0-9.,\-_]+',
    );
    /**
    * Return possible validation options
    */
    public function validate_options($field_data)
    {
        $validate_options = '';
        foreach ($this->validation_options as $lang => $value)
        {
            $selected = ($field_data['field_validation'] == $value) ? ' selected="selected"' : '';
            $validate_options .= '<option value="' . $value . '"' . $selected . '>' . $this->user->lang[$lang] . '</option>';
        }
        return $validate_options;
    }
    /**
    * {@inheritDoc}
    */
    public function get_default_field_value($field_data)
    {
        return $field_data['lang_default_value'];
    }
    /**
    * Validate entered profile field data
    *
    * @param string    $field_type            Field type (string or text)
    * @param mixed    $field_value        Field value to validate
    * @param array    $field_data            Array with requirements of the field
    * @return mixed        String with key of the error language string, false otherwise
    */
    public function validate_string_profile_field($field_type, &$field_value, $field_data)
    {
        if (trim($field_value) === '' && !$field_data['field_required'])
        {
            return false;
        }
        else if (trim($field_value) === '' && $field_data['field_required'])
        {
            return $this->user->lang('FIELD_REQUIRED', $this->get_field_name($field_data['lang_name']));
        }
        if ($field_data['field_minlen'] && utf8_strlen($field_value) < $field_data['field_minlen'])
        {
            return $this->user->lang('FIELD_TOO_SHORT', (int) $field_data['field_minlen'], $this->get_field_name($field_data['lang_name']));
        }
        else if ($field_data['field_maxlen'] && utf8_strlen(html_entity_decode($field_value)) > $field_data['field_maxlen'])
        {
            return $this->user->lang('FIELD_TOO_LONG', (int) $field_data['field_maxlen'], $this->get_field_name($field_data['lang_name']));
        }
        if (!empty($field_data['field_validation']) && $field_data['field_validation'] != '.*')
        {
            $field_validate = ($field_type != 'text') ? $field_value : bbcode_nl2br($field_value);
            if (!preg_match('#^' . str_replace('\\\\', '\\', $field_data['field_validation']) . '$#iu', $field_validate))
            {
                $validation = array_search($field_data['field_validation'], $this->validation_options);
                if ($validation)
                {
                    return $this->user->lang('FIELD_INVALID_CHARS_' . $validation, $this->get_field_name($field_data['lang_name']));
                }
                return $this->user->lang('FIELD_INVALID_CHARS_INVALID', $this->get_field_name($field_data['lang_name']));
            }
        }
        return false;
    }
    /**
    * {@inheritDoc}
    */
    public function get_profile_value($field_value, $field_data)
    {
        if (($field_value === null || $field_value === '') && !$field_data['field_show_novalue'])
        {
            return null;
        }
        $field_value = make_clickable($field_value);
        $field_value = censor_text($field_value);
        $field_value = bbcode_nl2br($field_value);
        return $field_value;
    }
    /**
    * {@inheritDoc}
    */
    public function get_profile_value_raw($field_value, $field_data)
    {
        if (($field_value === null || $field_value === '') && !$field_data['field_show_novalue'])
        {
            return null;
        }
        return $field_value;
    }
    /**
    * {@inheritDoc}
    */
    public function get_profile_contact_value($field_value, $field_data)
    {
        return $this->get_profile_value_raw($field_value, $field_data);
    }
    /**
    * {@inheritDoc}
    */
    public function prepare_options_form(&$exclude_options, &$visibility_options)
    {
        $exclude_options[1][] = 'lang_default_value';
        return $this->request->variable('lang_options', '', true);
    }
}