mirror of
https://github.com/YunoHost-Apps/phpmyadmin_ynh.git
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118 lines
3.1 KiB
PHP
118 lines
3.1 KiB
PHP
<?php
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/* vim: set expandtab sw=4 ts=4 sts=4: */
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/**
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* Abstract class for the substring transformations plugins
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*
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* @package PhpMyAdmin-Transformations
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* @subpackage Substring
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*/
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if (! defined('PHPMYADMIN')) {
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exit;
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}
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/* Get the transformations interface */
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require_once 'libraries/plugins/TransformationsPlugin.class.php';
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/**
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* Provides common methods for all of the substring transformations plugins.
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*
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* @package PhpMyAdmin
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*/
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abstract class SubstringTransformationsPlugin extends TransformationsPlugin
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{
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/**
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* Gets the transformation description of the specific plugin
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*
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* @return string
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*/
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public static function getInfo()
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{
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return __(
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'Displays a part of a string. The first option is the number of'
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. ' characters to skip from the beginning of the string (Default 0).'
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. ' The second option is the number of characters to return (Default:'
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. ' until end of string). The third option is the string to append'
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. ' and/or prepend when truncation occurs (Default: "…").'
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);
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}
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/**
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* Does the actual work of each specific transformations plugin.
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*
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* @param string $buffer text to be transformed
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* @param array $options transformation options
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* @param string $meta meta information
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*
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* @return string
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*/
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public function applyTransformation($buffer, $options = array(), $meta = '')
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{
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// possibly use a global transform and feed it with special options
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// further operations on $buffer using the $options[] array.
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if (!isset($options[0]) || $options[0] == '') {
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$options[0] = 0;
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}
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if (!isset($options[1]) || $options[1] == '') {
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$options[1] = 'all';
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}
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if (!isset($options[2]) || $options[2] == '') {
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$options[2] = '…';
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}
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$newtext = '';
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if ($options[1] != 'all') {
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$newtext = $GLOBALS['PMA_String']->substr(
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$buffer, $options[0], $options[1]
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);
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} else {
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$newtext = $GLOBALS['PMA_String']->substr($buffer, $options[0]);
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}
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$length = strlen($newtext);
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$baselength = strlen($buffer);
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if ($length != $baselength) {
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if ($options[0] != 0) {
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$newtext = $options[2] . $newtext;
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}
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if (($length + $options[0]) != $baselength) {
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$newtext .= $options[2];
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}
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}
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return $newtext;
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}
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/**
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* This method is called when any PluginManager to which the observer
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* is attached calls PluginManager::notify()
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*
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* @param SplSubject $subject The PluginManager notifying the observer
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* of an update.
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*
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* @todo implement
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* @return void
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*/
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public function update (SplSubject $subject)
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{
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;
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}
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/* ~~~~~~~~~~~~~~~~~~~~ Getters and Setters ~~~~~~~~~~~~~~~~~~~~ */
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/**
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* Gets the transformation name of the specific plugin
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*
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* @return string
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*/
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public static function getName()
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{
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return "Substring";
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}
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}
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?>
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