mirror of
https://github.com/YunoHost-Apps/phpbb_ynh.git
synced 2024-09-03 19:56:36 +02:00
610 lines
17 KiB
PHP
610 lines
17 KiB
PHP
<?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\event;
|
|
|
|
/**
|
|
* Class php_exporter
|
|
* Crawls through a list of files and grabs all php-events
|
|
*/
|
|
class php_exporter
|
|
{
|
|
/** @var string Path where we look for files*/
|
|
protected $path;
|
|
|
|
/** @var string phpBB Root Path */
|
|
protected $root_path;
|
|
|
|
/** @var string */
|
|
protected $current_file;
|
|
|
|
/** @var string */
|
|
protected $current_event;
|
|
|
|
/** @var int */
|
|
protected $current_event_line;
|
|
|
|
/** @var array */
|
|
protected $events;
|
|
|
|
/** @var array */
|
|
protected $file_lines;
|
|
|
|
/**
|
|
* @param string $phpbb_root_path
|
|
* @param mixed $extension String 'vendor/ext' to filter, null for phpBB core
|
|
*/
|
|
public function __construct($phpbb_root_path, $extension = null)
|
|
{
|
|
$this->root_path = $phpbb_root_path;
|
|
$this->path = $phpbb_root_path;
|
|
$this->events = $this->file_lines = array();
|
|
$this->current_file = $this->current_event = '';
|
|
$this->current_event_line = 0;
|
|
|
|
$this->path = $this->root_path;
|
|
if ($extension)
|
|
{
|
|
$this->path .= 'ext/' . $extension . '/';
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Get the list of all events
|
|
*
|
|
* @return array Array with events: name => details
|
|
*/
|
|
public function get_events()
|
|
{
|
|
return $this->events;
|
|
}
|
|
|
|
/**
|
|
* Set current event data
|
|
*
|
|
* @param string $name Name of the current event (used for error messages)
|
|
* @param int $line Line where the current event is placed in
|
|
* @return null
|
|
*/
|
|
public function set_current_event($name, $line)
|
|
{
|
|
$this->current_event = $name;
|
|
$this->current_event_line = $line;
|
|
}
|
|
|
|
/**
|
|
* Set the content of this file
|
|
*
|
|
* @param array $content Array with the lines of the file
|
|
* @return null
|
|
*/
|
|
public function set_content($content)
|
|
{
|
|
$this->file_lines = $content;
|
|
}
|
|
|
|
/**
|
|
* Crawl the phpBB/ directory for php events
|
|
* @return int The number of events found
|
|
*/
|
|
public function crawl_phpbb_directory_php()
|
|
{
|
|
$files = $this->get_recursive_file_list();
|
|
$this->events = array();
|
|
foreach ($files as $file)
|
|
{
|
|
$this->crawl_php_file($file);
|
|
}
|
|
ksort($this->events);
|
|
|
|
return sizeof($this->events);
|
|
}
|
|
|
|
/**
|
|
* Returns a list of files in $dir
|
|
*
|
|
* @return array List of files (including the path)
|
|
*/
|
|
public function get_recursive_file_list()
|
|
{
|
|
try
|
|
{
|
|
$iterator = new \RecursiveIteratorIterator(
|
|
new \phpbb\event\recursive_event_filter_iterator(
|
|
new \RecursiveDirectoryIterator(
|
|
$this->path,
|
|
\FilesystemIterator::SKIP_DOTS
|
|
),
|
|
$this->path
|
|
),
|
|
\RecursiveIteratorIterator::LEAVES_ONLY
|
|
);
|
|
}
|
|
catch (\Exception $e)
|
|
{
|
|
return array();
|
|
}
|
|
|
|
$files = array();
|
|
foreach ($iterator as $file_info)
|
|
{
|
|
/** @var \RecursiveDirectoryIterator $file_info */
|
|
$relative_path = $iterator->getInnerIterator()->getSubPathname();
|
|
$files[] = str_replace(DIRECTORY_SEPARATOR, '/', $relative_path);
|
|
}
|
|
|
|
return $files;
|
|
}
|
|
|
|
/**
|
|
* Format the php events as a wiki table
|
|
* @return string
|
|
*/
|
|
public function export_events_for_wiki()
|
|
{
|
|
$wiki_page = '= PHP Events (Hook Locations) =' . "\n";
|
|
$wiki_page .= '{| class="sortable zebra" cellspacing="0" cellpadding="5"' . "\n";
|
|
$wiki_page .= '! Identifier !! Placement !! Arguments !! Added in Release !! Explanation' . "\n";
|
|
foreach ($this->events as $event)
|
|
{
|
|
$wiki_page .= '|- id="' . $event['event'] . '"' . "\n";
|
|
$wiki_page .= '| [[#' . $event['event'] . '|' . $event['event'] . ']] || ' . $event['file'] . ' || ' . implode(', ', $event['arguments']) . ' || ' . $event['since'] . ' || ' . $event['description'] . "\n";
|
|
}
|
|
$wiki_page .= '|}' . "\n";
|
|
|
|
return $wiki_page;
|
|
}
|
|
|
|
/**
|
|
* @param string $file
|
|
* @return int Number of events found in this file
|
|
* @throws \LogicException
|
|
*/
|
|
public function crawl_php_file($file)
|
|
{
|
|
$this->current_file = $file;
|
|
$this->file_lines = array();
|
|
$content = file_get_contents($this->path . $this->current_file);
|
|
$num_events_found = 0;
|
|
|
|
if (strpos($content, "dispatcher->trigger_event('") || strpos($content, "dispatcher->dispatch('"))
|
|
{
|
|
$this->set_content(explode("\n", $content));
|
|
for ($i = 0, $num_lines = sizeof($this->file_lines); $i < $num_lines; $i++)
|
|
{
|
|
$event_line = false;
|
|
$found_trigger_event = strpos($this->file_lines[$i], "dispatcher->trigger_event('");
|
|
$arguments = array();
|
|
if ($found_trigger_event !== false)
|
|
{
|
|
$event_line = $i;
|
|
$this->set_current_event($this->get_event_name($event_line, false), $event_line);
|
|
|
|
// Find variables of the event
|
|
$arguments = $this->get_vars_from_array();
|
|
$doc_vars = $this->get_vars_from_docblock();
|
|
$this->validate_vars_docblock_array($arguments, $doc_vars);
|
|
}
|
|
else
|
|
{
|
|
$found_dispatch = strpos($this->file_lines[$i], "dispatcher->dispatch('");
|
|
if ($found_dispatch !== false)
|
|
{
|
|
$event_line = $i;
|
|
$this->set_current_event($this->get_event_name($event_line, true), $event_line);
|
|
}
|
|
}
|
|
|
|
if ($event_line)
|
|
{
|
|
// Validate @event
|
|
$event_line_num = $this->find_event();
|
|
$this->validate_event($this->current_event, $this->file_lines[$event_line_num]);
|
|
|
|
// Validate @since
|
|
$since_line_num = $this->find_since();
|
|
$since = $this->validate_since($this->file_lines[$since_line_num]);
|
|
|
|
// Find event description line
|
|
$description_line_num = $this->find_description();
|
|
$description = substr(trim($this->file_lines[$description_line_num]), strlen('* '));
|
|
|
|
if (isset($this->events[$this->current_event]))
|
|
{
|
|
throw new \LogicException("The event '{$this->current_event}' from file "
|
|
. "'{$this->current_file}:{$event_line_num}' already exists in file "
|
|
. "'{$this->events[$this->current_event]['file']}'", 10);
|
|
}
|
|
|
|
sort($arguments);
|
|
$this->events[$this->current_event] = array(
|
|
'event' => $this->current_event,
|
|
'file' => $this->current_file,
|
|
'arguments' => $arguments,
|
|
'since' => $since,
|
|
'description' => $description,
|
|
);
|
|
$num_events_found++;
|
|
}
|
|
}
|
|
}
|
|
|
|
return $num_events_found;
|
|
}
|
|
|
|
/**
|
|
* Find the name of the event inside the dispatch() line
|
|
*
|
|
* @param int $event_line
|
|
* @param bool $is_dispatch Do we look for dispatch() or trigger_event() ?
|
|
* @return string Name of the event
|
|
* @throws \LogicException
|
|
*/
|
|
public function get_event_name($event_line, $is_dispatch)
|
|
{
|
|
$event_text_line = $this->file_lines[$event_line];
|
|
$event_text_line = ltrim($event_text_line, "\t ");
|
|
|
|
if ($is_dispatch)
|
|
{
|
|
$regex = '#\$([a-z](?:[a-z0-9_]|->)*)';
|
|
$regex .= '->dispatch\(';
|
|
$regex .= '\'' . $this->preg_match_event_name() . '\'';
|
|
$regex .= '\);#';
|
|
}
|
|
else
|
|
{
|
|
$regex = '#extract\(\$([a-z](?:[a-z0-9_]|->)*)';
|
|
$regex .= '->trigger_event\(';
|
|
$regex .= '\'' . $this->preg_match_event_name() . '\'';
|
|
$regex .= ', compact\(\$vars\)\)\);#';
|
|
}
|
|
|
|
$match = array();
|
|
preg_match($regex, $event_text_line, $match);
|
|
if (!isset($match[2]))
|
|
{
|
|
throw new \LogicException("Can not find event name in line '{$event_text_line}' "
|
|
. "in file '{$this->current_file}:{$event_line}'", 1);
|
|
}
|
|
|
|
return $match[2];
|
|
}
|
|
|
|
/**
|
|
* Returns a regex match for the event name
|
|
*
|
|
* @return string
|
|
*/
|
|
protected function preg_match_event_name()
|
|
{
|
|
return '([a-z][a-z0-9_]*(?:\.[a-z][a-z0-9_]*)+)';
|
|
}
|
|
|
|
/**
|
|
* Find the $vars array
|
|
*
|
|
* @return array List of variables
|
|
* @throws \LogicException
|
|
*/
|
|
public function get_vars_from_array()
|
|
{
|
|
$line = ltrim($this->file_lines[$this->current_event_line - 1], "\t");
|
|
if ($line === ');')
|
|
{
|
|
$vars_array = $this->get_vars_from_multi_line_array();
|
|
}
|
|
else
|
|
{
|
|
$vars_array = $this->get_vars_from_single_line_array($line);
|
|
}
|
|
|
|
foreach ($vars_array as $var)
|
|
{
|
|
if (!preg_match('#^([a-zA-Z_][a-zA-Z0-9_]*)$#', $var))
|
|
{
|
|
throw new \LogicException("Found invalid var '{$var}' in array for event '{$this->current_event}' in file '{$this->current_file}:{$this->current_event_line}'", 3);
|
|
}
|
|
}
|
|
|
|
sort($vars_array);
|
|
return $vars_array;
|
|
}
|
|
|
|
/**
|
|
* Find the variables in single line array
|
|
*
|
|
* @param string $line
|
|
* @param bool $throw_multiline Throw an exception when there are too
|
|
* many arguments in one line.
|
|
* @return array List of variables
|
|
* @throws \LogicException
|
|
*/
|
|
public function get_vars_from_single_line_array($line, $throw_multiline = true)
|
|
{
|
|
$match = array();
|
|
preg_match('#^\$vars = array\(\'([a-zA-Z0-9_\' ,]+)\'\);$#', $line, $match);
|
|
|
|
if (isset($match[1]))
|
|
{
|
|
$vars_array = explode("', '", $match[1]);
|
|
if ($throw_multiline && sizeof($vars_array) > 6)
|
|
{
|
|
throw new \LogicException('Should use multiple lines for $vars definition '
|
|
. "for event '{$this->current_event}' in file '{$this->current_file}:{$this->current_event_line}'", 2);
|
|
}
|
|
return $vars_array;
|
|
}
|
|
else
|
|
{
|
|
throw new \LogicException("Can not find '\$vars = array();'-line for event '{$this->current_event}' in file '{$this->current_file}:{$this->current_event_line}'", 1);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Find the variables in single line array
|
|
*
|
|
* @return array List of variables
|
|
* @throws \LogicException
|
|
*/
|
|
public function get_vars_from_multi_line_array()
|
|
{
|
|
$current_vars_line = 2;
|
|
$var_lines = array();
|
|
while (ltrim($this->file_lines[$this->current_event_line - $current_vars_line], "\t") !== '$vars = array(')
|
|
{
|
|
$var_lines[] = substr(trim($this->file_lines[$this->current_event_line - $current_vars_line]), 0, -1);
|
|
|
|
$current_vars_line++;
|
|
if ($current_vars_line > $this->current_event_line)
|
|
{
|
|
// Reached the start of the file
|
|
throw new \LogicException("Can not find end of \$vars array for event '{$this->current_event}' in file '{$this->current_file}:{$this->current_event_line}'", 2);
|
|
}
|
|
}
|
|
|
|
return $this->get_vars_from_single_line_array('$vars = array(' . implode(", ", $var_lines) . ');', false);
|
|
}
|
|
|
|
/**
|
|
* Find the $vars array
|
|
*
|
|
* @return array List of variables
|
|
* @throws \LogicException
|
|
*/
|
|
public function get_vars_from_docblock()
|
|
{
|
|
$doc_vars = array();
|
|
$current_doc_line = 1;
|
|
$found_comment_end = false;
|
|
while (ltrim($this->file_lines[$this->current_event_line - $current_doc_line], "\t") !== '/**')
|
|
{
|
|
if (ltrim($this->file_lines[$this->current_event_line - $current_doc_line], "\t ") === '*/')
|
|
{
|
|
$found_comment_end = true;
|
|
}
|
|
|
|
if ($found_comment_end)
|
|
{
|
|
$var_line = trim($this->file_lines[$this->current_event_line - $current_doc_line]);
|
|
$var_line = preg_replace('!\s+!', ' ', $var_line);
|
|
if (strpos($var_line, '* @var ') === 0)
|
|
{
|
|
$doc_line = explode(' ', $var_line, 5);
|
|
if (sizeof($doc_line) !== 5)
|
|
{
|
|
throw new \LogicException("Found invalid line '{$this->file_lines[$this->current_event_line - $current_doc_line]}' "
|
|
. "for event '{$this->current_event}' in file '{$this->current_file}:{$this->current_event_line}'", 1);
|
|
}
|
|
$doc_vars[] = $doc_line[3];
|
|
}
|
|
}
|
|
|
|
$current_doc_line++;
|
|
if ($current_doc_line > $this->current_event_line)
|
|
{
|
|
// Reached the start of the file
|
|
throw new \LogicException("Can not find end of docblock for event '{$this->current_event}' in file '{$this->current_file}:{$this->current_event_line}'", 2);
|
|
}
|
|
}
|
|
|
|
if (empty($doc_vars))
|
|
{
|
|
// Reached the start of the file
|
|
throw new \LogicException("Can not find @var lines for event '{$this->current_event}' in file '{$this->current_file}:{$this->current_event_line}'", 3);
|
|
}
|
|
|
|
foreach ($doc_vars as $var)
|
|
{
|
|
if (!preg_match('#^([a-zA-Z_][a-zA-Z0-9_]*)$#', $var))
|
|
{
|
|
throw new \LogicException("Found invalid @var '{$var}' in docblock for event "
|
|
. "'{$this->current_event}' in file '{$this->current_file}:{$this->current_event_line}'", 4);
|
|
}
|
|
}
|
|
|
|
sort($doc_vars);
|
|
return $doc_vars;
|
|
}
|
|
|
|
/**
|
|
* Find the "@since" Information line
|
|
*
|
|
* @return int Absolute line number
|
|
* @throws \LogicException
|
|
*/
|
|
public function find_since()
|
|
{
|
|
return $this->find_tag('since', array('event', 'var'));
|
|
}
|
|
|
|
/**
|
|
* Find the "@event" Information line
|
|
*
|
|
* @return int Absolute line number
|
|
*/
|
|
public function find_event()
|
|
{
|
|
return $this->find_tag('event', array());
|
|
}
|
|
|
|
/**
|
|
* Find a "@*" Information line
|
|
*
|
|
* @param string $find_tag Name of the tag we are trying to find
|
|
* @param array $disallowed_tags List of tags that must not appear between
|
|
* the tag and the actual event
|
|
* @return int Absolute line number
|
|
* @throws \LogicException
|
|
*/
|
|
public function find_tag($find_tag, $disallowed_tags)
|
|
{
|
|
$find_tag_line = 0;
|
|
$found_comment_end = false;
|
|
while (strpos(ltrim($this->file_lines[$this->current_event_line - $find_tag_line], "\t "), '* @' . $find_tag . ' ') !== 0)
|
|
{
|
|
if ($found_comment_end && ltrim($this->file_lines[$this->current_event_line - $find_tag_line], "\t") === '/**')
|
|
{
|
|
// Reached the start of this doc block
|
|
throw new \LogicException("Can not find '@{$find_tag}' information for event "
|
|
. "'{$this->current_event}' in file '{$this->current_file}:{$this->current_event_line}'", 1);
|
|
}
|
|
|
|
foreach ($disallowed_tags as $disallowed_tag)
|
|
{
|
|
if ($found_comment_end && strpos(ltrim($this->file_lines[$this->current_event_line - $find_tag_line], "\t "), '* @' . $disallowed_tag) === 0)
|
|
{
|
|
// Found @var after the @since
|
|
throw new \LogicException("Found '@{$disallowed_tag}' information after '@{$find_tag}' for event "
|
|
. "'{$this->current_event}' in file '{$this->current_file}:{$this->current_event_line}'", 3);
|
|
}
|
|
}
|
|
|
|
if (ltrim($this->file_lines[$this->current_event_line - $find_tag_line], "\t ") === '*/')
|
|
{
|
|
$found_comment_end = true;
|
|
}
|
|
|
|
$find_tag_line++;
|
|
if ($find_tag_line >= $this->current_event_line)
|
|
{
|
|
// Reached the start of the file
|
|
throw new \LogicException("Can not find '@{$find_tag}' information for event "
|
|
. "'{$this->current_event}' in file '{$this->current_file}:{$this->current_event_line}'", 2);
|
|
}
|
|
}
|
|
|
|
return $this->current_event_line - $find_tag_line;
|
|
}
|
|
|
|
/**
|
|
* Find a "@*" Information line
|
|
*
|
|
* @return int Absolute line number
|
|
* @throws \LogicException
|
|
*/
|
|
public function find_description()
|
|
{
|
|
$find_desc_line = 0;
|
|
while (ltrim($this->file_lines[$this->current_event_line - $find_desc_line], "\t") !== '/**')
|
|
{
|
|
$find_desc_line++;
|
|
if ($find_desc_line > $this->current_event_line)
|
|
{
|
|
// Reached the start of the file
|
|
throw new \LogicException("Can not find a description for event "
|
|
. "'{$this->current_event}' in file '{$this->current_file}:{$this->current_event_line}'", 1);
|
|
}
|
|
}
|
|
|
|
$find_desc_line = $this->current_event_line - $find_desc_line + 1;
|
|
|
|
$desc = trim($this->file_lines[$find_desc_line]);
|
|
if (strpos($desc, '* @') === 0 || $desc[0] !== '*' || substr($desc, 1) == '')
|
|
{
|
|
// First line of the doc block is a @-line, empty or only contains "*"
|
|
throw new \LogicException("Can not find a description for event "
|
|
. "'{$this->current_event}' in file '{$this->current_file}:{$this->current_event_line}'", 2);
|
|
}
|
|
|
|
return $find_desc_line;
|
|
}
|
|
|
|
/**
|
|
* Validate "@since" Information
|
|
*
|
|
* @param string $line
|
|
* @return string
|
|
* @throws \LogicException
|
|
*/
|
|
public function validate_since($line)
|
|
{
|
|
$match = array();
|
|
preg_match('#^\* @since (\d+\.\d+\.\d+(?:-(?:a|b|RC|pl)\d+)?)$#', ltrim($line, "\t "), $match);
|
|
if (!isset($match[1]))
|
|
{
|
|
throw new \LogicException("Invalid '@since' information for event "
|
|
. "'{$this->current_event}' in file '{$this->current_file}:{$this->current_event_line}'");
|
|
}
|
|
|
|
return $match[1];
|
|
}
|
|
|
|
/**
|
|
* Validate "@event" Information
|
|
*
|
|
* @param string $event_name
|
|
* @param string $line
|
|
* @return string
|
|
* @throws \LogicException
|
|
*/
|
|
public function validate_event($event_name, $line)
|
|
{
|
|
$event = substr(ltrim($line, "\t "), strlen('* @event '));
|
|
|
|
if ($event !== trim($event))
|
|
{
|
|
throw new \LogicException("Invalid '@event' information for event "
|
|
. "'{$this->current_event}' in file '{$this->current_file}:{$this->current_event_line}'", 1);
|
|
}
|
|
|
|
if ($event !== $event_name)
|
|
{
|
|
throw new \LogicException("Event name does not match '@event' tag for event "
|
|
. "'{$this->current_event}' in file '{$this->current_file}:{$this->current_event_line}'", 2);
|
|
}
|
|
|
|
return $event;
|
|
}
|
|
|
|
/**
|
|
* Validates that two arrays contain the same strings
|
|
*
|
|
* @param array $vars_array Variables found in the array line
|
|
* @param array $vars_docblock Variables found in the doc block
|
|
* @return null
|
|
* @throws \LogicException
|
|
*/
|
|
public function validate_vars_docblock_array($vars_array, $vars_docblock)
|
|
{
|
|
$vars_array = array_unique($vars_array);
|
|
$vars_docblock = array_unique($vars_docblock);
|
|
$sizeof_vars_array = sizeof($vars_array);
|
|
|
|
if ($sizeof_vars_array !== sizeof($vars_docblock) || $sizeof_vars_array !== sizeof(array_intersect($vars_array, $vars_docblock)))
|
|
{
|
|
throw new \LogicException("\$vars array does not match the list of '@var' tags for event "
|
|
. "'{$this->current_event}' in file '{$this->current_file}:{$this->current_event_line}'");
|
|
}
|
|
}
|
|
}
|