12 files changed, 817 insertions, 0 deletions
diff --git a/phpBB/phpbb/textreparser/base.php b/phpBB/phpbb/textreparser/base.php
new file mode 100644
index 0000000000..87a4268d0d
--- /dev/null
+++ b/phpBB/phpbb/textreparser/base.php
@@ -0,0 +1,211 @@
+<?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\textreparser;
+
+abstract class base implements reparser_interface
+{
+	/**
+	* {@inheritdoc}
+	*/
+	abstract public function get_max_id();
+
+	/**
+	* Return all records in given range
+	*
+	* @param  integer $min_id Lower bound
+	* @param  integer $max_id Upper bound
+	* @return array           Array of records
+	*/
+	abstract protected function get_records_by_range($min_id, $max_id);
+
+	/**
+	* {@inheritdoc}
+	*/
+	abstract protected function save_record(array $record);
+
+	/**
+	* Add fields to given record, if applicable
+	*
+	* The enable_* fields are not always saved to the database. Sometimes we need to guess their
+	* original value based on the text content or possibly other fields
+	*
+	* @param  array $record Original record
+	* @return array         Complete record
+	*/
+	protected function add_missing_fields(array $record)
+	{
+		if (!isset($record['enable_bbcode'], $record['enable_smilies'], $record['enable_magic_url']))
+		{
+			$record += array(
+				'enable_bbcode'    => $this->guess_bbcodes($record),
+				'enable_smilies'   => $this->guess_smilies($record),
+				'enable_magic_url' => $this->guess_magic_url($record),
+			);
+		}
+
+		// Those BBCodes are disabled based on context and user permissions and that value is never
+		// stored in the database. Here we test whether they were used in the original text.
+		$bbcodes = array('flash', 'img', 'quote', 'url');
+		foreach ($bbcodes as $bbcode)
+		{
+			$field_name = 'enable_' . $bbcode . '_bbcode';
+			$record[$field_name] = $this->guess_bbcode($record, $bbcode);
+		}
+
+		// Magic URLs are tied to the URL BBCode, that's why if magic URLs are enabled we make sure
+		// that the URL BBCode is also enabled
+		if ($record['enable_magic_url'])
+		{
+			$record['enable_url_bbcode'] = true;
+		}
+
+		return $record;
+	}
+
+	/**
+	* Guess whether given BBCode is in use in given record
+	*
+	* @param  array  $record
+	* @param  string $bbcode
+	* @return bool
+	*/
+	protected function guess_bbcode(array $record, $bbcode)
+	{
+		if (!empty($record['bbcode_uid']))
+		{
+			// Look for the closing tag, e.g. [/url]
+			$match = '[/' . $bbcode . ':' . $record['bbcode_uid'];
+			if (strpos($record['text'], $match) !== false)
+			{
+				return true;
+			}
+		}
+
+		if (substr($record['text'], 0, 2) == '<r')
+		{
+			// Look for the closing tag inside of a e element, in an element of the same name, e.g.
+			// <e>[/url]</e></URL>
+			$match = '<e>[/' . $bbcode . ']</e></' . strtoupper($bbcode) . '>';
+			if (strpos($record['text'], $match) !== false)
+			{
+				return true;
+			}
+		}
+
+		return false;
+	}
+
+	/**
+	* Guess whether any BBCode is in use in given record
+	*
+	* @param  array $record
+	* @return bool
+	*/
+	protected function guess_bbcodes(array $record)
+	{
+		if (!empty($record['bbcode_uid']))
+		{
+			// Test whether the bbcode_uid is in use
+			$match = ':' . $record['bbcode_uid'];
+			if (strpos($record['text'], $match) !== false)
+			{
+				return true;
+			}
+		}
+
+		if (substr($record['text'], 0, 2) == '<r')
+		{
+			// Look for a closing tag inside of an e element
+			return (bool) preg_match('(<e>\\[/\\w+\\]</e>)', $match);
+		}
+
+		return false;
+	}
+
+	/**
+	* Guess whether magic URLs are in use in given record
+	*
+	* @param  array $record
+	* @return bool
+	*/
+	protected function guess_magic_url(array $record)
+	{
+		// Look for <!-- m --> or for a URL tag that's not immediately followed by <s>
+		return (strpos($record['text'], '<!-- m -->') !== false || preg_match('(<URL [^>]++>(?!<s>))', $record['text']));
+	}
+
+	/**
+	* Guess whether smilies are in use in given record
+	*
+	* @param  array $record
+	* @return bool
+	*/
+	protected function guess_smilies(array $record)
+	{
+		return (strpos($record['text'], '<!-- s') !== false || strpos($record['text'], '<E>') !== false);
+	}
+
+	/**
+	* {@inheritdoc}
+	*/
+	public function reparse_range($min_id, $max_id)
+	{
+		foreach ($this->get_records_by_range($min_id, $max_id) as $record)
+		{
+			$this->reparse_record($record);
+		}
+	}
+
+	/**
+	* Reparse given record
+	*
+	* @param  array $record Associative array containing the record's data
+	*/
+	protected function reparse_record(array $record)
+	{
+		$record = $this->add_missing_fields($record);
+		$flags = ($record['enable_bbcode']) ? OPTION_FLAG_BBCODE : 0;
+		$flags |= ($record['enable_smilies']) ? OPTION_FLAG_SMILIES : 0;
+		$flags |= ($record['enable_magic_url']) ? OPTION_FLAG_LINKS : 0;
+		$unparsed = array_merge(
+			$record,
+			generate_text_for_edit($record['text'], $record['bbcode_uid'], $flags)
+		);
+
+		// generate_text_for_edit() and decode_message() actually return the text as HTML. It has to
+		// be decoded to plain text before it can be reparsed
+		$text = html_entity_decode($unparsed['text'], ENT_QUOTES, 'UTF-8');
+		$bitfield = $flags = null;
+		generate_text_for_storage(
+			$text,
+			$unparsed['bbcode_uid'],
+			$bitfield,
+			$flags,
+			$unparsed['enable_bbcode'],
+			$unparsed['enable_magic_url'],
+			$unparsed['enable_smilies'],
+			$unparsed['enable_img_bbcode'],
+			$unparsed['enable_flash_bbcode'],
+			$unparsed['enable_quote_bbcode'],
+			$unparsed['enable_url_bbcode']
+		);
+
+		// Save the new text if it has changed
+		if ($text !== $record['text'])
+		{
+			$record['text'] = $text;
+			$this->save_record($record);
+		}
+	}
+}
diff --git a/phpBB/phpbb/textreparser/plugins/contact_admin_info.php b/phpBB/phpbb/textreparser/plugins/contact_admin_info.php
new file mode 100644
index 0000000000..8910f2256b
--- /dev/null
+++ b/phpBB/phpbb/textreparser/plugins/contact_admin_info.php
@@ -0,0 +1,69 @@
+<?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\textreparser\plugins;
+
+class contact_admin_info extends \phpbb\textreparser\base
+{
+	/**
+	* @var \phpbb\config\db_text
+	*/
+	protected $config_text;
+
+	/**
+	* Constructor
+	*
+	* @param \phpbb\config\db_text $config_text
+	*/
+	public function __construct(\phpbb\config\db_text $config_text)
+	{
+		$this->config_text = $config_text;
+	}
+
+	/**
+	* {@inheritdoc}
+	*/
+	public function get_max_id()
+	{
+		return 1;
+	}
+
+	/**
+	* {@inheritdoc}
+	*/
+	protected function get_records_by_range($min_id, $max_id)
+	{
+		$values = $this->config_text->get_array(array(
+			'contact_admin_info',
+			'contact_admin_info_uid',
+			'contact_admin_info_flags',
+		));
+
+		return array(array(
+			'id'               => 1,
+			'text'             => $values['contact_admin_info'],
+			'bbcode_uid'       => $values['contact_admin_info_uid'],
+			'enable_bbcode'    => $values['contact_admin_info_flags'] & OPTION_FLAG_BBCODE,
+			'enable_magic_url' => $values['contact_admin_info_flags'] & OPTION_FLAG_LINKS,
+			'enable_smilies'   => $values['contact_admin_info_flags'] & OPTION_FLAG_SMILIES,
+		));
+	}
+
+	/**
+	* {@inheritdoc}
+	*/
+	protected function save_record(array $record)
+	{
+		$this->config_text->set('contact_admin_info', $record['text']);
+	}
+}
diff --git a/phpBB/phpbb/textreparser/plugins/forum_description.php b/phpBB/phpbb/textreparser/plugins/forum_description.php
new file mode 100644
index 0000000000..7798e4b20b
--- /dev/null
+++ b/phpBB/phpbb/textreparser/plugins/forum_description.php
@@ -0,0 +1,37 @@
+<?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\textreparser\plugins;
+
+class forum_description extends \phpbb\textreparser\row_based_plugin
+{
+	/**
+	* {@inheritdoc}
+	*/
+	public function get_columns()
+	{
+		return array(
+			'id'         => 'forum_id',
+			'text'       => 'forum_desc',
+			'bbcode_uid' => 'forum_desc_uid',
+		);
+	}
+
+	/**
+	* {@inheritdoc}
+	*/
+	public function get_table_name()
+	{
+		return FORUMS_TABLE;
+	}
+}
diff --git a/phpBB/phpbb/textreparser/plugins/forum_rules.php b/phpBB/phpbb/textreparser/plugins/forum_rules.php
new file mode 100644
index 0000000000..57c666a556
--- /dev/null
+++ b/phpBB/phpbb/textreparser/plugins/forum_rules.php
@@ -0,0 +1,37 @@
+<?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\textreparser\plugins;
+
+class forum_rules extends \phpbb\textreparser\row_based_plugin
+{
+	/**
+	* {@inheritdoc}
+	*/
+	public function get_columns()
+	{
+		return array(
+			'id'         => 'forum_id',
+			'text'       => 'forum_rules',
+			'bbcode_uid' => 'forum_rules_uid',
+		);
+	}
+
+	/**
+	* {@inheritdoc}
+	*/
+	public function get_table_name()
+	{
+		return FORUMS_TABLE;
+	}
+}
diff --git a/phpBB/phpbb/textreparser/plugins/group_description.php b/phpBB/phpbb/textreparser/plugins/group_description.php
new file mode 100644
index 0000000000..ddd0e1d1c5
--- /dev/null
+++ b/phpBB/phpbb/textreparser/plugins/group_description.php
@@ -0,0 +1,37 @@
+<?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\textreparser\plugins;
+
+class group_description extends \phpbb\textreparser\row_based_plugin
+{
+	/**
+	* {@inheritdoc}
+	*/
+	public function get_columns()
+	{
+		return array(
+			'id'         => 'group_id',
+			'text'       => 'group_desc',
+			'bbcode_uid' => 'group_desc_uid',
+		);
+	}
+
+	/**
+	* {@inheritdoc}
+	*/
+	public function get_table_name()
+	{
+		return GROUPS_TABLE;
+	}
+}
diff --git a/phpBB/phpbb/textreparser/plugins/pm_text.php b/phpBB/phpbb/textreparser/plugins/pm_text.php
new file mode 100644
index 0000000000..4d06a2878b
--- /dev/null
+++ b/phpBB/phpbb/textreparser/plugins/pm_text.php
@@ -0,0 +1,40 @@
+<?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\textreparser\plugins;
+
+class pm_text extends \phpbb\textreparser\row_based_plugin
+{
+	/**
+	* {@inheritdoc}
+	*/
+	public function get_columns()
+	{
+		return array(
+			'id'               => 'msg_id',
+			'enable_bbcode'    => 'enable_bbcode',
+			'enable_smilies'   => 'enable_smilies',
+			'enable_magic_url' => 'enable_magic_url',
+			'text'             => 'message_text',
+			'bbcode_uid'       => 'bbcode_uid',
+		);
+	}
+
+	/**
+	* {@inheritdoc}
+	*/
+	public function get_table_name()
+	{
+		return PRIVMSGS_TABLE;
+	}
+}
diff --git a/phpBB/phpbb/textreparser/plugins/poll_option.php b/phpBB/phpbb/textreparser/plugins/poll_option.php
new file mode 100644
index 0000000000..7b803146c4
--- /dev/null
+++ b/phpBB/phpbb/textreparser/plugins/poll_option.php
@@ -0,0 +1,74 @@
+<?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\textreparser\plugins;
+
+class poll_option extends \phpbb\textreparser\base
+{
+	/**
+	* @var \phpbb\db\driver\driver_interface
+	*/
+	protected $db;
+
+	/**
+	* Constructor
+	*
+	* @param \phpbb\db\driver\driver_interface $db Database connection
+	*/
+	public function __construct(\phpbb\db\driver\driver_interface $db)
+	{
+		$this->db = $db;
+	}
+
+	/**
+	* {@inheritdoc}
+	*/
+	public function get_max_id()
+	{
+		$sql = 'SELECT MAX(topic_id) AS max_id FROM ' . POLL_OPTIONS_TABLE;
+		$result = $this->db->sql_query($sql);
+		$max_id = (int) $this->db->sql_fetchfield('max_id');
+		$this->db->sql_freeresult($result);
+
+		return $max_id;
+	}
+
+	/**
+	* {@inheritdoc}
+	*/
+	protected function get_records_by_range($min_id, $max_id)
+	{
+		$sql = 'SELECT o.topic_id, o.poll_option_id, o.poll_option_text AS text, p.bbcode_uid
+			FROM ' . POLL_OPTIONS_TABLE . ' o, ' . TOPICS_TABLE . ' t, ' . POSTS_TABLE . ' p
+			WHERE o.topic_id BETWEEN ' . $min_id . ' AND ' . $max_id .'
+				AND t.topic_id = o.topic_id
+				AND p.post_id = t.topic_first_post_id';
+		$result = $this->db->sql_query($sql);
+		$records = $this->db->sql_fetchrowset($result);
+		$this->db->sql_freeresult($result);
+
+		return $records;
+	}
+
+	/**
+	* {@inheritdoc}
+	*/
+	protected function save_record(array $record)
+	{
+		$sql = 'UPDATE ' . POLL_OPTIONS_TABLE . "
+			SET poll_option_text = '" . $this->db->sql_escape($record['text']) . "'
+			WHERE topic_id = " . $record['topic_id'] . '
+				AND poll_option_id = ' . $record['poll_option_id'];
+		$this->db->sql_query($sql);
+	}
+}
diff --git a/phpBB/phpbb/textreparser/plugins/poll_title.php b/phpBB/phpbb/textreparser/plugins/poll_title.php
new file mode 100644
index 0000000000..b447004527
--- /dev/null
+++ b/phpBB/phpbb/textreparser/plugins/poll_title.php
@@ -0,0 +1,50 @@
+<?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\textreparser\plugins;
+
+class poll_title extends \phpbb\textreparser\row_based_plugin
+{
+	/**
+	* {@inheritdoc}
+	*/
+	public function get_columns()
+	{
+		return array(
+			'id'   => 'topic_id',
+			'text' => 'poll_title',
+		);
+	}
+
+	/**
+	* {@inheritdoc}
+	*/
+	protected function get_records_by_range_query($min_id, $max_id)
+	{
+		$sql = 'SELECT t.topic_id AS id, t.poll_title AS text, p.bbcode_uid
+			FROM ' . TOPICS_TABLE . ' t, ' . POSTS_TABLE . ' p
+			WHERE t.topic_id BETWEEN ' . $min_id . ' AND ' . $max_id .'
+				AND t.poll_max_options > 0
+				AND p.post_id = t.topic_first_post_id';
+
+		return $sql;
+	}
+
+	/**
+	* {@inheritdoc}
+	*/
+	public function get_table_name()
+	{
+		return TOPICS_TABLE;
+	}
+}
diff --git a/phpBB/phpbb/textreparser/plugins/post_text.php b/phpBB/phpbb/textreparser/plugins/post_text.php
new file mode 100644
index 0000000000..4a07c98cea
--- /dev/null
+++ b/phpBB/phpbb/textreparser/plugins/post_text.php
@@ -0,0 +1,40 @@
+<?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\textreparser\plugins;
+
+class post_text extends \phpbb\textreparser\row_based_plugin
+{
+	/**
+	* {@inheritdoc}
+	*/
+	public function get_columns()
+	{
+		return array(
+			'id'               => 'post_id',
+			'enable_bbcode'    => 'enable_bbcode',
+			'enable_smilies'   => 'enable_smilies',
+			'enable_magic_url' => 'enable_magic_url',
+			'text'             => 'post_text',
+			'bbcode_uid'       => 'bbcode_uid',
+		);
+	}
+
+	/**
+	* {@inheritdoc}
+	*/
+	public function get_table_name()
+	{
+		return POSTS_TABLE;
+	}
+}
diff --git a/phpBB/phpbb/textreparser/plugins/user_signature.php b/phpBB/phpbb/textreparser/plugins/user_signature.php
new file mode 100644
index 0000000000..f657a45d38
--- /dev/null
+++ b/phpBB/phpbb/textreparser/plugins/user_signature.php
@@ -0,0 +1,73 @@
+<?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\textreparser\plugins;
+
+class user_signature extends \phpbb\textreparser\row_based_plugin
+{
+	/**
+	* @var array Bit numbers used for user options
+	* @see \phpbb\user
+	*/
+	protected $keyoptions;
+
+	/**
+	* {@inheritdoc}
+	*/
+	protected function add_missing_fields(array $row)
+	{
+		if (!isset($this->keyoptions))
+		{
+			$this->save_keyoptions();
+		}
+
+		$options = $row['user_options'];
+		$row += array(
+			'enable_bbcode'    => phpbb_optionget($this->keyoptions['sig_bbcode'], $options),
+			'enable_smilies'   => phpbb_optionget($this->keyoptions['sig_smilies'], $options),
+			'enable_magic_url' => phpbb_optionget($this->keyoptions['sig_links'], $options),
+		);
+
+		return parent::add_missing_fields($row);
+	}
+
+	/**
+	* {@inheritdoc}
+	*/
+	public function get_columns()
+	{
+		return array(
+			'id'           => 'user_id',
+			'text'         => 'user_sig',
+			'bbcode_uid'   => 'user_sig_bbcode_uid',
+			'user_options' => 'user_options',
+		);
+	}
+
+	/**
+	* {@inheritdoc}
+	*/
+	public function get_table_name()
+	{
+		return USERS_TABLE;
+	}
+
+	/**
+	* Save the keyoptions var from \phpbb\user
+	*/
+	protected function save_keyoptions()
+	{
+		$class_vars = get_class_vars('phpbb\\user');
+		$this->keyoptions = $class_vars['keyoptions'];
+	}
+}
diff --git a/phpBB/phpbb/textreparser/reparser_interface.php b/phpBB/phpbb/textreparser/reparser_interface.php
new file mode 100644
index 0000000000..9ea1732870
--- /dev/null
+++ b/phpBB/phpbb/textreparser/reparser_interface.php
@@ -0,0 +1,32 @@
+<?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\textreparser;
+
+interface reparser_interface
+{
+	/**
+	* Return the highest ID for all existing records
+	*
+	* @return integer
+	*/
+	public function get_max_id();
+
+	/**
+	* Reparse all records in given range
+	*
+	* @param integer $min_id Lower bound
+	* @param integer $max_id Upper bound
+	*/
+	public function reparse_range($min_id, $max_id);
+}
diff --git a/phpBB/phpbb/textreparser/row_based_plugin.php b/phpBB/phpbb/textreparser/row_based_plugin.php
new file mode 100644
index 0000000000..d3ca334591
--- /dev/null
+++ b/phpBB/phpbb/textreparser/row_based_plugin.php
@@ -0,0 +1,117 @@
+<?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\textreparser;
+
+abstract class row_based_plugin extends base
+{
+	/**
+	* @var \phpbb\db\driver\driver_interface
+	*/
+	protected $db;
+
+	/**
+	* Constructor
+	*
+	* @param \phpbb\db\driver\driver_interface $db Database connection
+	*/
+	public function __construct(\phpbb\db\driver\driver_interface $db)
+	{
+		$this->db = $db;
+	}
+
+	/**
+	* Return the name of the column that correspond to each field
+	*
+	* @return array
+	*/
+	abstract public function get_columns();
+
+	/**
+	* Return the name of the table used by this plugin
+	*
+	* @return string
+	*/
+	abstract public function get_table_name();
+
+	/**
+	* {@inheritdoc}
+	*/
+	public function get_max_id()
+	{
+		$columns = $this->get_columns();
+
+		$sql = 'SELECT MAX(' . $columns['id'] . ') AS max_id FROM ' . $this->get_table_name();
+		$result = $this->db->sql_query($sql);
+		$max_id = (int) $this->db->sql_fetchfield('max_id');
+		$this->db->sql_freeresult($result);
+
+		return $max_id;
+	}
+
+	/**
+	* {@inheritdoc}
+	*/
+	protected function get_records_by_range($min_id, $max_id)
+	{
+		$sql = $this->get_records_by_range_query($min_id, $max_id);
+		$result = $this->db->sql_query($sql);
+		$records = $this->db->sql_fetchrowset($result);
+		$this->db->sql_freeresult($result);
+
+		return $records;
+	}
+
+	/**
+	* Generate the query that retrieves all records for given range
+	*
+	* @param  integer $min_id Lower bound
+	* @param  integer $max_id Upper bound
+	* @return string          SQL query
+	*/
+	protected function get_records_by_range_query($min_id, $max_id)
+	{
+		$columns = $this->get_columns();
+		$fields  = array();
+		foreach ($columns as $field_name => $column_name)
+		{
+			if ($column_name === $field_name)
+			{
+				$fields[] = $column_name;
+			}
+			else
+			{
+				$fields[] = $column_name . ' AS ' . $field_name;
+			}
+		}
+
+		$sql = 'SELECT ' . implode(', ', $fields) . '
+			FROM ' . $this->get_table_name() . '
+			WHERE ' . $columns['id'] . ' BETWEEN ' . $min_id . ' AND ' . $max_id;
+
+		return $sql;
+	}
+
+	/**
+	* {@inheritdoc}
+	*/
+	protected function save_record(array $record)
+	{
+		$columns = $this->get_columns();
+
+		$sql = 'UPDATE ' . $this->get_table_name() . '
+			SET ' . $columns['text'] . " = '" . $this->db->sql_escape($record['text']) . "'
+			WHERE " . $columns['id'] . ' = ' . $record['id'];
+		$this->db->sql_query($sql);
+	}
+}