467 lines
11 KiB
PHP
467 lines
11 KiB
PHP
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<?php defined('SYSPATH') or die('No direct script access.');
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/**
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* Documentation generator.
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*
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* @package Kohana/Userguide
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* @category Base
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* @author Kohana Team
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* @copyright (c) 2008-2012 Kohana Team
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* @license http://kohanaphp.com/license
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*/
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class Kohana_Kodoc {
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/**
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* @var string PCRE fragment for matching 'Class', 'Class::method', 'Class::method()' or 'Class::$property'
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*/
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public static $regex_class_member = '((\w++)(?:::(\$?\w++))?(?:\(\))?)';
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/**
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* Make a class#member API link using an array of matches from [Kodoc::$regex_class_member]
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*
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* @param array $matches array( 1 => link text, 2 => class name, [3 => member name] )
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* @return string
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*/
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public static function link_class_member($matches)
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{
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$link = $matches[1];
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$class = $matches[2];
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$member = NULL;
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if (isset($matches[3]))
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{
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// If the first char is a $ it is a property, e.g. Kohana::$base_url
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if ($matches[3][0] === '$')
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{
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$member = '#property:'.substr($matches[3], 1);
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}
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else
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{
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$member = '#'.$matches[3];
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}
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}
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return HTML::anchor(Route::get('docs/api')->uri(array('class' => $class)).$member, $link, NULL, NULL, TRUE);
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}
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public static function factory($class)
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{
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return new Kodoc_Class($class);
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}
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/**
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* Creates an html list of all classes sorted by category (or package if no category)
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*
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* @return string the html for the menu
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*/
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public static function menu()
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{
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$classes = Kodoc::classes();
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ksort($classes);
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$menu = array();
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$route = Route::get('docs/api');
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foreach ($classes as $class)
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{
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if (Kodoc::is_transparent($class, $classes))
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continue;
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$class = Kodoc_Class::factory($class);
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// Test if we should show this class
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if ( ! Kodoc::show_class($class))
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continue;
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$link = HTML::anchor($route->uri(array('class' => $class->class->name)), $class->class->name);
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if (isset($class->tags['package']))
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{
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foreach ($class->tags['package'] as $package)
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{
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if (isset($class->tags['category']))
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{
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foreach ($class->tags['category'] as $category)
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{
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$menu[$package][$category][] = $link;
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}
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}
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else
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{
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$menu[$package]['Base'][] = $link;
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}
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}
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}
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else
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{
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$menu['[Unknown]']['Base'][] = $link;
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}
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}
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// Sort the packages
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ksort($menu);
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return View::factory('userguide/api/menu')
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->bind('menu', $menu);
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}
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/**
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* Returns an array of all the classes available, built by listing all files in the classes folder.
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*
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* @param array array of files, obtained using Kohana::list_files
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* @return array an array of all the class names
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*/
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public static function classes(array $list = NULL)
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{
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if ($list === NULL)
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{
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$list = Kohana::list_files('classes');
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}
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$classes = array();
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// This will be used a lot!
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$ext_length = strlen(EXT);
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foreach ($list as $name => $path)
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{
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if (is_array($path))
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{
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$classes += Kodoc::classes($path);
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}
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elseif (substr($name, -$ext_length) === EXT)
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{
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// Remove "classes/" and the extension
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$class = substr($name, 8, -$ext_length);
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// Convert slashes to underscores
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$class = str_replace(DIRECTORY_SEPARATOR, '_', $class);
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$classes[$class] = $class;
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}
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}
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return $classes;
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}
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/**
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* Get all classes and methods of files in a list.
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*
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* > I personally don't like this as it was used on the index page. Way too much stuff on one page. It has potential for a package index page though.
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* > For example: class_methods( Kohana::list_files('classes/sprig') ) could make a nice index page for the sprig package in the api browser
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* > ~bluehawk
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*
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*/
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public static function class_methods(array $list = NULL)
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{
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$list = Kodoc::classes($list);
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$classes = array();
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foreach ($list as $class)
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{
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// Skip transparent extension classes
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if (Kodoc::is_transparent($class))
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continue;
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$_class = new ReflectionClass($class);
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$methods = array();
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foreach ($_class->getMethods() as $_method)
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{
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$declares = $_method->getDeclaringClass()->name;
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// Remove the transparent prefix from declaring classes
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if ($child = Kodoc::is_transparent($declares))
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{
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$declares = $child;
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}
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if ($declares === $_class->name OR $declares === "Core")
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{
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$methods[] = $_method->name;
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}
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}
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sort($methods);
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$classes[$_class->name] = $methods;
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}
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return $classes;
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}
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/**
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* Generate HTML for the content of a tag.
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*
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* @param string $tag Name of the tag without @
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* @param string $text Content of the tag
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* @return string HTML
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*/
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public static function format_tag($tag, $text)
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{
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if ($tag === 'license')
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{
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if (strpos($text, '://') !== FALSE)
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return HTML::anchor($text);
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}
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elseif ($tag === 'link')
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{
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$split = preg_split('/\s+/', $text, 2);
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return HTML::anchor(
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$split[0],
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isset($split[1]) ? $split[1] : $split[0]
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);
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}
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elseif ($tag === 'copyright')
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{
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// Convert the copyright symbol
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return str_replace('(c)', '©', $text);
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}
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elseif ($tag === 'throws')
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{
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$route = Route::get('docs/api');
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if (preg_match('/^(\w+)\W(.*)$/D', $text, $matches))
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{
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return HTML::anchor(
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$route->uri(array('class' => $matches[1])),
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$matches[1]
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).' '.$matches[2];
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}
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return HTML::anchor(
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$route->uri(array('class' => $text)),
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$text
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);
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}
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elseif ($tag === 'see' OR $tag === 'uses')
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{
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if (preg_match('/^'.Kodoc::$regex_class_member.'/', $text, $matches))
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return Kodoc::link_class_member($matches);
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}
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return $text;
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}
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/**
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* Parse a comment to extract the description and the tags
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*
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* [!!] Converting the output to HTML in this method is deprecated in 3.3
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*
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* @param string $comment The DocBlock to parse
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* @param boolean $html Whether or not to convert the return values
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* to HTML (deprecated)
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* @return array array(string $description, array $tags)
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*/
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public static function parse($comment, $html = TRUE)
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{
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// Normalize all new lines to \n
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$comment = str_replace(array("\r\n", "\n"), "\n", $comment);
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// Split into lines while capturing without leading whitespace
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preg_match_all('/^\s*\* ?(.*)\n/m', $comment, $lines);
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// Tag content
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$tags = array();
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/**
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* Process a tag and add it to $tags
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*
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* @param string $tag Name of the tag without @
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* @param string $text Content of the tag
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* @return void
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*/
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$add_tag = function($tag, $text) use ($html, &$tags)
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{
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// Don't show @access lines, they are shown elsewhere
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if ($tag !== 'access')
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{
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if ($html)
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{
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$text = Kodoc::format_tag($tag, $text);
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}
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// Add the tag
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$tags[$tag][] = $text;
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}
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};
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$comment = $tag = null;
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$end = count($lines[1]) - 1;
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foreach ($lines[1] as $i => $line)
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{
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// Search this line for a tag
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if (preg_match('/^@(\S+)\s*(.+)?$/', $line, $matches))
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{
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if ($tag)
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{
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// Previous tag is finished
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$add_tag($tag, $text);
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}
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$tag = $matches[1];
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$text = isset($matches[2]) ? $matches[2] : '';
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if ($i === $end)
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{
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// No more lines
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$add_tag($tag, $text);
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}
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}
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elseif ($tag)
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{
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// This is the continuation of the previous tag
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$text .= "\n".$line;
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if ($i === $end)
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{
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// No more lines
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$add_tag($tag, $text);
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}
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}
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else
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{
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$comment .= "\n".$line;
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}
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}
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$comment = trim($comment, "\n");
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if ($comment AND $html)
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{
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// Parse the comment with Markdown
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$comment = Kodoc_Markdown::markdown($comment);
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}
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return array($comment, $tags);
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}
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/**
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* Get the source of a function
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*
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* @param string the filename
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* @param int start line?
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* @param int end line?
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*/
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public static function source($file, $start, $end)
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{
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if ( ! $file) return FALSE;
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$file = file($file, FILE_IGNORE_NEW_LINES);
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$file = array_slice($file, $start - 1, $end - $start + 1);
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if (preg_match('/^(\s+)/', $file[0], $matches))
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{
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$padding = strlen($matches[1]);
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foreach ($file as & $line)
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{
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$line = substr($line, $padding);
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}
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}
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return implode("\n", $file);
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}
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/**
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* Test whether a class should be shown, based on the api_packages config option
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*
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* @param Kodoc_Class the class to test
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* @return bool whether this class should be shown
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*/
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public static function show_class(Kodoc_Class $class)
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{
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$api_packages = Kohana::$config->load('userguide.api_packages');
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// If api_packages is true, all packages should be shown
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if ($api_packages === TRUE)
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return TRUE;
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// Get the package tags for this class (as an array)
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$packages = Arr::get($class->tags, 'package', array('None'));
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$show_this = FALSE;
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// Loop through each package tag
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foreach ($packages as $package)
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{
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// If this package is in the allowed packages, set show this to true
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if (in_array($package, explode(',', $api_packages)))
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$show_this = TRUE;
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}
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return $show_this;
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}
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/**
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* Checks whether a class is a transparent extension class or not.
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*
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* This method takes an optional $classes parameter, a list of all defined
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* class names. If provided, the method will return false unless the extension
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* class exists. If not, the method will only check known transparent class
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* prefixes.
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*
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* Transparent prefixes are defined in the userguide.php config file:
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||
|
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*
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||
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* 'transparent_prefixes' => array(
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* 'Kohana' => TRUE,
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* );
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*
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* Module developers can therefore add their own transparent extension
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|
|
* namespaces and exclude them from the userguide.
|
||
|
|
*
|
||
|
|
* @param string $class The name of the class to check for transparency
|
||
|
|
* @param array $classes An optional list of all defined classes
|
||
|
|
* @return false If this is not a transparent extension class
|
||
|
|
* @return string The name of the class that extends this (in the case provided)
|
||
|
|
* @throws InvalidArgumentException If the $classes array is provided and the $class variable is not lowercase
|
||
|
|
*/
|
||
|
|
public static function is_transparent($class, $classes = NULL)
|
||
|
|
{
|
||
|
|
|
||
|
|
static $transparent_prefixes = NULL;
|
||
|
|
|
||
|
|
if ( ! $transparent_prefixes)
|
||
|
|
{
|
||
|
|
$transparent_prefixes = Kohana::$config->load('userguide.transparent_prefixes');
|
||
|
|
}
|
||
|
|
|
||
|
|
// Split the class name at the first underscore
|
||
|
|
$segments = explode('_',$class,2);
|
||
|
|
|
||
|
|
if ((count($segments) == 2) AND (isset($transparent_prefixes[$segments[0]])))
|
||
|
|
{
|
||
|
|
if ($segments[1] === 'Core')
|
||
|
|
{
|
||
|
|
// Cater for Module extends Module_Core naming
|
||
|
|
$child_class = $segments[0];
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
// Cater for Foo extends Module_Foo naming
|
||
|
|
$child_class = $segments[1];
|
||
|
|
}
|
||
|
|
|
||
|
|
// It is only a transparent class if the unprefixed class also exists
|
||
|
|
if ($classes AND ! isset($classes[$child_class]))
|
||
|
|
return FALSE;
|
||
|
|
|
||
|
|
// Return the name of the child class
|
||
|
|
return $child_class;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
// Not a transparent class
|
||
|
|
return FALSE;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
} // End Kodoc
|