php__phplib/apps/class_grapher/classgrapher.drush.inc

132 lines
3.9 KiB
PHP

<?php
/**
* @file
* Drush commands for Class Grapher
*
* - hier: plot class inheritance on a site
*
* - Idea: use Javascript Infovis Toolkit instead of GraphViz for nicer
* graphs, less server load, and user interaction.
*/
use \OSInet\Class_Grapher\Logger;
use \OSInet\Class_Grapher\Graph;
/**
* Implement hook_drush_command().
*
* Declare classgraph (hier) command.
*/
function classgrapher_drush_command() {
$items = array();
$items['classgraph'] = array(
'description' => 'Graph PHP entities',
'aliases' => array('hier'),
'bootstrap' => DRUSH_BOOTSTRAP_DRUPAL_FULL,
// libraries_load() does not exist on 6.x. PSR0 is bundled in 8.x.
'core' => array('7'),
'drupal dependencies' => array('libraries'),
'arguments' => array(
'base' => 'A space-separated list of base directories below which to parse source files.',
),
'options' => array(
'cgdebug' => array(
'description' => 'Debug level: 0 to 7. Default to 6.',
),
'cgimager' => array(
'description' => 'Imager to use. Default to "dot". Use "dump" for a debug dump without GraphViz generation. Alternate imagers like circo, (s)fdp or twopi are converted to dot.',
'example-value' => 'dump,dot,neato',
),
'cgformat' => array(
'description' => 'Image format. Default to "svg". Not available with the dump imager.',
'example-value' => implode(',', _drush_classgrapher_get_formats()),
),
),
);
return $items;
}
/**
* Helper to enumerate GraphViz format filters on the current system.
*
* @return array
* An array of format names.
*/
function _drush_classgrapher_get_formats() {
$dotCommand = 'dot -Tinvalid';
$descriptorSpec = array(
0 => array('pipe', 'r'),
1 => array('pipe', 'w'),
2 => array('pipe', 'w'),
);
$process = proc_open($dotCommand, $descriptorSpec, $pipes, NULL, NULL);
if (!is_resource($process)) {
drush_set_error('classgrapher', 'GraphViz not found.');
}
fclose($pipes[0]);
fclose($pipes[1]);
$stderr = stream_get_contents($pipes[2]);
proc_close($process);
$sts = preg_match('/(.+):( .* )*/', $stderr, $matches);
if (!$sts || count($matches) != 3) {
drush_set_error('classgrapher', 'GraphViz did not return a usable formats list.');
}
$formats = explode(' ', trim($matches[2]));
return $formats;
}
/**
* Validation callback for classgraph.
*/
function drush_classgrapher_classgraph_validate() {
// Libraries 7.x-1.x does not include this function, and Drush
// 'drupal dependencies' can not require a specific branch.
if (function_exists('libraries_load')) {
$info = libraries_load('grammar_parser');
}
else {
drush_set_error('classgrapher', 'Libraries 7.x-2.x needed.');
}
// Add this library's path to the include path to use PSR0 autoloading.
$path = explode(':', ini_get('include_path'));
$path[] = realpath(__DIR__ . '/../..');
ini_set('include_path', implode(':', $path));
// Drupal 7 does not include a PSR0 autoloader: use ours.
include 'misc/psr0.php';
spl_autoload_register('psr0_autoload');
// PEAR classes can be included by any PSR0 autoloader, but error messages are
// less clear, as the autoloader cannot know this is a PEAR class, and the
// autoloading must be performed from non-namespaced code, or from a dual-
// compatible autoloader (PSR0 + PEAR), so this is more reliable.
if (!@include_once 'Image/GraphViz.php') {
drush_set_error('classgrapher', 'PEAR Image_Graphviz not found.');
}
}
/**
* Command callback for classgraph.
*/
function drush_classgrapher_classgraph() {
$optionDefaults = array(
'imager' => 'dot',
'debug' => WATCHDOG_INFO,
'format' => 'svg',
);
$base = func_get_args();
foreach ($optionDefaults as $name => $default) {
$$name = drush_get_option("cg$name", $default);
}
$graph = new Graph($base, new Logger($debug));
echo $graph->build($imager, $format);
}