ci-bonfire / Sprint

myth/Docs/Builder.php

Indentation +718 added lines, -718 removed lines

@@ -42,725 +42,725 @@
 class Builder implements DocBuilderInterface
 {
 
-    protected $docs_ext = '.md';
-
-    protected $ignore_files = ['_404.md'];
-
-    protected $doc_folders = [];
-
-    /**
-     * Stores the current folder alias,
-     * once the file has been found.
-     *
-     * @var null
-     */
-    protected $current_folder = null;
-
-    protected $table_classes = 'table table-hover';
-
-    protected $apppath = '';
-
-    protected $formatters = [];
-
-    protected $page_title = null;
-
-    //--------------------------------------------------------------------
-
-    public function __construct($config = array())
-    {
-        $this->apppath = ! empty($config['apppath']) ? rtrim($config['apppath'], '/') . '/' : '';
-    }
-
-    //--------------------------------------------------------------------
-
-    public function pageTitle()
-    {
-        return $this->page_title;
-    }
-
-    //--------------------------------------------------------------------
-
-
-
-    /**
-     * Does the actual work of reading in and parsing the help file.
-     * If a folder Nickname (see addDocFolder() ) is passed as the second parameter,
-     * it will limit it's search to that single folder. If nothing is passed, it will
-     * search through all of the folders in the order they were given to the library,
-     * until it finds the first one.
-     *
-     * @param string $path The 'path' of the file (relative to the docs
-     *                                 folder. Usually from the URI)
-     * @param string $restrictToFolder (Optional) The folder nickname
-     *
-     * @return string
-     */
-    public function readPage($path, $restrictToFolder = null)
-    {
-        // Clean up our path
-        $path = trim($path, '/ ');
-
-        $content = $this->locateAndReadFile($path, $restrictToFolder);
-
-        $content = $this->parse($content);
-
-        return $content;
-    }
-
-    //--------------------------------------------------------------------
-
-    /**
-     * Parses the contents. Currently runs through the Markdown Extended
-     * parser to convert to HTML.
-     *
-     * @param $str
-     * @return mixed
-     */
-    public function parse($str)
-    {
-        return $this->format($str);
-    }
-
-    //--------------------------------------------------------------------
-
-    /**
-     * Perform a few housekeeping tasks on a page, like rewriting URLs to full
-     * URLs, not relative, ensuring they link correctly, etc.
-     *
-     * @param      $content
-     * @param null $site_url
-     * @param null $current_url
-     * @return string   The post-processed HTML.
-     */
-    public function postProcess($content, $site_url = null, $current_url = null)
-    {
-        if (empty($content)) {
-            return $content;
-        }
-
-        try {
-            $xml = new \SimpleXMLElement('<?xml version="1.0" standalone="yes"?><div>' . $content . '</div>');
-        } catch (\Exception $e) {
-            // SimpleXML barfed on us, so send back the un-modified content
-            return $content;
-        }
-
-        // Prepare some things and cleanup others
-        $groups = array_keys($this->doc_folders);
-        $site_url = rtrim($site_url, '/') . '/';
-        $current_url = rtrim($current_url, '#/');
-
-        // Try to determine the current_url if one isn't set.
-        if (empty($this->current_folder)) {
-            $this->current_folder = $this->detectCurrentFolder($current_url, $groups);
-        }
-
-        /*
+	protected $docs_ext = '.md';
+
+	protected $ignore_files = ['_404.md'];
+
+	protected $doc_folders = [];
+
+	/**
+	 * Stores the current folder alias,
+	 * once the file has been found.
+	 *
+	 * @var null
+	 */
+	protected $current_folder = null;
+
+	protected $table_classes = 'table table-hover';
+
+	protected $apppath = '';
+
+	protected $formatters = [];
+
+	protected $page_title = null;
+
+	//--------------------------------------------------------------------
+
+	public function __construct($config = array())
+	{
+		$this->apppath = ! empty($config['apppath']) ? rtrim($config['apppath'], '/') . '/' : '';
+	}
+
+	//--------------------------------------------------------------------
+
+	public function pageTitle()
+	{
+		return $this->page_title;
+	}
+
+	//--------------------------------------------------------------------
+
+
+
+	/**
+	 * Does the actual work of reading in and parsing the help file.
+	 * If a folder Nickname (see addDocFolder() ) is passed as the second parameter,
+	 * it will limit it's search to that single folder. If nothing is passed, it will
+	 * search through all of the folders in the order they were given to the library,
+	 * until it finds the first one.
+	 *
+	 * @param string $path The 'path' of the file (relative to the docs
+	 *                                 folder. Usually from the URI)
+	 * @param string $restrictToFolder (Optional) The folder nickname
+	 *
+	 * @return string
+	 */
+	public function readPage($path, $restrictToFolder = null)
+	{
+		// Clean up our path
+		$path = trim($path, '/ ');
+
+		$content = $this->locateAndReadFile($path, $restrictToFolder);
+
+		$content = $this->parse($content);
+
+		return $content;
+	}
+
+	//--------------------------------------------------------------------
+
+	/**
+	 * Parses the contents. Currently runs through the Markdown Extended
+	 * parser to convert to HTML.
+	 *
+	 * @param $str
+	 * @return mixed
+	 */
+	public function parse($str)
+	{
+		return $this->format($str);
+	}
+
+	//--------------------------------------------------------------------
+
+	/**
+	 * Perform a few housekeeping tasks on a page, like rewriting URLs to full
+	 * URLs, not relative, ensuring they link correctly, etc.
+	 *
+	 * @param      $content
+	 * @param null $site_url
+	 * @param null $current_url
+	 * @return string   The post-processed HTML.
+	 */
+	public function postProcess($content, $site_url = null, $current_url = null)
+	{
+		if (empty($content)) {
+			return $content;
+		}
+
+		try {
+			$xml = new \SimpleXMLElement('<?xml version="1.0" standalone="yes"?><div>' . $content . '</div>');
+		} catch (\Exception $e) {
+			// SimpleXML barfed on us, so send back the un-modified content
+			return $content;
+		}
+
+		// Prepare some things and cleanup others
+		$groups = array_keys($this->doc_folders);
+		$site_url = rtrim($site_url, '/') . '/';
+		$current_url = rtrim($current_url, '#/');
+
+		// Try to determine the current_url if one isn't set.
+		if (empty($this->current_folder)) {
+			$this->current_folder = $this->detectCurrentFolder($current_url, $groups);
+		}
+
+		/*
          * Rewrite the URLs
          */
-        foreach ($xml->xpath('//a') as $link) {
-            $link = $this->reformatAnchor($link, $groups, $current_url, $site_url);
-        }
-
-        $content = $xml->asXML();
-        $content = trim(str_replace('<?xml version="1.0" standalone="yes"?>', '', $content));
-
-        // Clean up and style the tables
-        $content = str_replace('<table>', '<table class="' . $this->table_classes . '">', $content);
-
-        return $content;
-    }
-    //--------------------------------------------------------------------
-
-    /**
-     * Allows users to define the classes that are attached to
-     * generated tables.
-     *
-     * @param null $classes
-     * @return $this
-     */
-    public function setTableClasses($classes = null)
-    {
-        $this->table_classes = $classes;
-
-        return $this;
-    }
-
-    //--------------------------------------------------------------------
-
-    /**
-     * Given the contents to render, will build a list of links for the sidebar
-     * out of the headings in the file.
-     *
-     * Note: Will ONLY use h2 and h3 to build the links from.
-     *
-     * Note: The $content passed in WILL be modified by adding named anchors
-     * that match up with the locations.
-     *
-     * @param string $content The HTML to analyse for headings.
-     * @return string
-     */
-    public function buildDocumentMap(&$content)
-    {
-        if (empty($content)) {
-            return $content;
-        }
-
-        // If $content already has a wrapping <div> and </div> tags, remove them,
-        // since we'll replace them just below.
-        if (strpos($content, '<div>') === 0) {
-            $content = substr($content, 5);
-
-            // Trailing div also?
-            if (substr($content, -6) == '</div>') {
-                $content = substr($content, 0, -6);
-            }
-        }
-
-        try {
-            $xml = new \SimpleXMLElement('<?xml version="1.0" standalone="yes"?><div>' . $content . '</div>');
-        } catch (\Exception $e) {
-            // SimpleXML barfed on us, so send back the un-modified content
-            return [];
-        }
-
-        $map = [];
-        list($map, $content) = $this->extractDocMapAndAddAnchors($content, $xml, $map);
-
-        return $map;
-    }
-
-    //--------------------------------------------------------------------
-
-    /**
-     * Stores the name of the callback method to run to convert the source
-     * files to viewable files. By default, this should be used to register
-     * a Mardown Extended formatter with the system, but could be used to
-     * extend the
-     *
-     * @param string $callback
-     * @param bool $cascade // If FALSE the formatting of a component ends here. If TRUE, will be passed to next formatter.
-     * @return $this
-     */
-    public function registerFormatter($callback = null, $cascade = false)
-    {
-        if (empty($callback)) return;
-
-        $this->formatters[] = [
-            'callable' => $callback,
-            'cascade'  => (bool)$cascade
-        ];
-
-        return $this;
-    }
-
-    //--------------------------------------------------------------------
-
-    /**
-     * Runs the text through the registered formatters.
-     *
-     * @param $str
-     * @return mixed
-     */
-    public function format($str)
-    {
-        if (! is_array($this->formatters)) return $str;
-
-        foreach ($this->formatters as $formatter) {
-            $method = $formatter['callable'];
-            $cascade = $formatter['cascade'];
-
-            $str = call_user_func($method, $str);
-
-            if (! $cascade) return $str;
-        }
-
-        return $str;
-    }
-
-    //--------------------------------------------------------------------
-
-    //--------------------------------------------------------------------
-    // Table of Contents methods
-    //--------------------------------------------------------------------
-
-    /**
-     * Retrieves the list of files in a folder and preps the name and filename
-     * so it's ready for creating the HTML.
-     *
-     * @param  String $folder The path to the folder to retrieve.
-     *
-     * @return Array  An associative array @see parse_ini_file for format
-     * details.
-     */
-    public function buildTOC($folder)
-    {
-        // If the toc file exists in the folder, use it to build the links.
-        if (is_file("{$folder}/_toc.ini")) {
-            $toc = parse_ini_file("{$folder}/_toc.ini", true);
-            return $this->columnizeTOC($toc);
-        }
-
-        // If the toc file does not exist, build the links by listing the files
-        // in the directory (and any sub-directories)
-        $map = $this->directory_map($folder);
-
-        // If directory_map can not open the directory or find any files inside
-        // the directory, return an empty array.
-        if (empty($map)) {
-            return [];
-        }
-
-        // If these docs are located in the /application/docs or /bonfire/docs
-        // directory, just use $this->current_group for the root.
-        // Module docs need $this->current_group and $type.
-        $tocRoot = $this->current_folder;
-        if ($this->current_folder != strtolower($folder)) {
-            $tocRoot .= '/' . strtolower($folder);
-        }
-
-        $toc = [];
-        foreach ($map as $files) {
-            // If $files isn't an array, then make it one so that all situations
-            // may be dealt with cleanly.
-            if (! is_array($files)) {
-                $files = [$files];
-            }
-
-            foreach ($files as $file) {
-                if (in_array($file, $this->ignore_files)) {
-                    continue;
-                }
-
-                // The title for the index is the passed $type. Otherwise,
-                // build the title from the file's name.
-                if (strpos($file, 'index') === false) {
-                    $title = str_replace($this->docs_ext, '', $file);
-                    $title = str_replace('_', ' ', $title);
-                    $title = ucwords($title);
-
-                    $toc["{$tocRoot}/{$file}"] = $title;
-                } else {
-                    $toc[$tocRoot] = $type;
-                }
-            }
-        }
-
-        $toc = $this->columnizeTOC($toc);
-
-        return $toc;
-    }
-
-    //--------------------------------------------------------------------
-
-    /**
-     * Sorts the passed TOC array into columns of as close to equal length
-     * as we can get it.
-     *
-     * @param $toc
-     * @return array
-     */
-    protected function columnizeTOC($toc)
-    {
-        $section_count = count($toc);
-
-        // First - determine the size of each 'section'.
-        $sizes = [];
-
-        foreach ($toc as $section => $chapters) {
-            $sizes[] = count($chapters);
-        }
-
-        $column_avg = (int)round(array_sum($sizes) / $section_count);
-
-        // Split things into 4 columns of approximately equal size.
-        // If we only have 4 columns (or less), then make sure to
-        // deal with that also.
-        $columns = [];
-
-        $current_column = 0;
-        $current_column_count = 0;
-        $keys = array_keys($toc);
-
-        for ($i = 0; $i <= $section_count; $i++) {
-            if (! isset($keys[$i])) {
-                continue;
-            }
-
-            $section = array_shift($toc);
-
-            // Can we stay in this column?
-            if ($current_column_count <= $column_avg && $section_count > 4) {
-                // Don't forget to account for the heading also.
-                $current_column_count += count($section) + 1;
-            } else {
-                $current_column_count = 0;
-                $current_column++;
-            }
-
-            $columns[$current_column][$keys[$i]] = $section;
-        }
-
-        return $columns;
-    }
-
-    //--------------------------------------------------------------------
-
-    //--------------------------------------------------------------------
-    // Folder Methods
-    //--------------------------------------------------------------------
-
-    /**
-     * Returns the current docFolders array.
-     *
-     * @return array
-     */
-    public function docFolders()
-    {
-        return $this->doc_folders;
-    }
-
-    //--------------------------------------------------------------------
-
-    /**
-     * Registers a path to be used when searching for documentation files.
-     *
-     * @param $name     A nickname to reference it by later.
-     * @param $path     The server path to the folder.
-     * @return $this
-     */
-    public function addDocFolder($name, $path)
-    {
-        // Standardize the path
-        $path = realpath($path) . '/';
-
-        // realpath will return FALSE if the path doesn't exist
-        // or the script doesn't have access to it.
-        if (! $path || $path == '/') {
-            return $this;
-        }
-
-        $name = strtolower($name);
-
-        $this->doc_folders[$name] = $path;
-
-        return $this;
-    }
-
-    //--------------------------------------------------------------------
-
-    /**
-     * Removes a folder from the folders we scan for documentation files
-     * within.
-     *
-     * @param $name
-     * @return $this
-     */
-    public function removeDocFolder($name)
-    {
-        $name = strtolower($name);
-
-        if (isset($this->doc_folders[$name])) {
-            unset($this->doc_folders[$name]);
-        }
-
-        return $this;
-    }
-
-    //--------------------------------------------------------------------
-
-    //--------------------------------------------------------------------
-    // Private Methods
-    //--------------------------------------------------------------------
-
-    /**
-     * Analyzes the passed in current url string and checks against
-     * a list of groups to determine what the current group is.
-     *
-     * @param $current_url
-     * @param $groups
-     * @return string
-     */
-    protected function detectCurrentFolder($current_url, $groups = [])
-    {
-        if (! is_array($groups)) {
-            return null;
-        }
-
-        $segments = explode('/', $current_url);
-
-        // We start from the back of the array since
-        // that's most likely to be close to the end.
-        $segments = array_reverse($segments);
-
-        foreach ($segments as $segment) {
-            foreach ($groups as $group) {
-                if (strtolower($group) == strtolower($segment)) {
-                    return $group;
-                }
-            }
-        }
-
-        // Nothing found?
-        return null;
-    }
-
-    //--------------------------------------------------------------------
-
-    //--------------------------------------------------------------------
-    // Private Methods
-    //--------------------------------------------------------------------
-
-    /**
-     * Locates the file on disk and reads the contents into a single string.
-     *
-     * If a folder Nickname (see addDocFolder() ) is passed as the second parameter,
-     * it will limit it's search to that single folder. If nothing is passed, it will
-     * search through all of the folders in the order they were given to the library,
-     * until it finds the first one.
-     *
-     * @param string $path The 'path' of the file (relative to the docs
-     *                                 folder. Usually from the URI)
-     * @param string $restrictToFolder (Optional) The nickname of one of the
-     *                                 folders to restrict the search to.
-     *
-     * @throws RuntimeException
-     * @return null|string
-     */
-    private function locateAndReadFile($path, $restrictToFolder = null)
-    {
-        $folders = $this->doc_folders;
-
-        if (! is_null($restrictToFolder)) {
-            // Make sure the folder exists
-            if (! is_null($restrictToFolder) && ! isset($this->doc_folders[$restrictToFolder])) {
-                throw new \RuntimeException('You must add the docs folder that you wish to find docs from.');
-            }
-
-            $folders = [$this->doc_folders[$restrictToFolder]];
-        }
-
-        foreach ($folders as $alias => $folder) {
-            if (file_exists($folder . $path . $this->docs_ext)) {
-                // Store the alias so we know which folder we're in.
-                $this->current_folder = $alias;
-
-                return file_get_contents($folder . $path . $this->docs_ext);
-            }
-        }
-
-        return null;
-    }
-
-    //--------------------------------------------------------------------
-
-    /**
-     * Re-formats the passed in link.
-     *
-     * @param $link
-     * @param $current_url
-     * @param $site_url
-     * @return mixed
-     */
-    private function reformatAnchor($link, $groups, $current_url, $site_url)
-    {
-        // Grab the href value.
-        $href = $link->attributes()->href;
-
-        // If the href is null, it's probably a named anchor with no content.
-        if (! $href) {
-            // Make sure it has an href, else the XML will not close this
-            // tag correctly.
-            $link['href'] = ' ';
-
-            return $link;
-        }
-
-        // Remove any trailing # signs
-        $href = rtrim($href, '# ');
-
-        // If the href starts with #, then attach the current_url to it
-        if ($href != '' && substr_compare($href, '#', 0, 1) === 0) {
-            $link['href'] = $current_url . $href;
-
-            return $link;
-        }
-
-        // If it's a full external path, go on...
-        if ((strpos($href, 'http://') !== false || strpos($href, 'https://') !== false) &&
-            strpos($href, $site_url) === false
-        ) {
-            $link['target'] = "_blank";
-            return $link;
-        }
-
-        // If it's a full local path, get rid of it.
-        if ($site_url !== "/" && strpos($href, $site_url) !== false) {
-            $href = str_replace($site_url, '', $href);
-        }
-
-        // Strip out some unnecessary items, just in case they're there.
-        if (substr($href, 0, strlen('docs/')) == 'docs/') {
-            $href = substr($href, strlen('docs/'));
-        }
-
-        // This includes 'bonfire/' if it was missed during the conversion.
-        if (substr($href, 0, strlen('bonfire/')) == 'bonfire/') {
-            $href = substr($href, strlen('bonfire/'));
-        }
-
-        // If another 'group' is not already defined at the head of the link
-        // then add the current group to it.
-        $group_found = false;
-
-        foreach ($groups as $group) {
-            if (strpos($href, $group) === 0) {
-                $group_found = true;
-            }
-        }
-
-        if (! $group_found) {
-            $href = $this->current_folder . '/' . $href;
-        }
-
-        // Convert to full site_url
-        if (strpos($href, 'http') !== 0) {
-            $href = $site_url . 'docs/' . ltrim($href, '/ ');
-        }
-
-        // Save the corrected href
-        $link['href'] = $href;
-
-        return $link;
-    }
-
-    //--------------------------------------------------------------------
-
-    /**
-     * Creates a Document Map based on <h2> and <h3> tags.
-     * Also adds named anchors into the $content so the map
-     * can link to the content properly.
-     *
-     * @param $content
-     * @param $xml
-     * @param $map
-     * @return array
-     */
-    protected function extractDocMapAndAddAnchors(&$content, $xml, $map)
-    {
-        // Holds the current h2 we're processing
-        $current_obj = [];
-
-        $currentChild = 0;
-
-        foreach ($xml->children() as $childType => $line) {
-            $currentChild++;
-
-            // If it's an h1 - take the first and make it
-            // our page title.
-            if ($childType == 'h1' && empty($this->page_title))
-            {
-                $this->page_title = (string)$line;
-            }
-
-            // Make sure that our current object is
-            // stored and reset.
-            if ($childType == 'h1' || $childType == 'h2') {
-                if (count($current_obj)) {
-                    $map[] = $current_obj;
-                    $current_obj = [];
-                }
-            }
-
-            if ($childType == 'h2') {
-                $name = (string)$line;
-                $link = strtolower(str_replace(' ', '_', (string)$line));
-
-                $current_obj['name'] = $name;
-                $current_obj['link'] = '#' . $link;
-                $current_obj['items'] = [];
-
-                // Insert a named anchor into the $content
-                $anchor = '<a name="' . $link . '" id="' . $link . '" ></a>';
-
-                $search = "<h2>{$name}</h2>";
-
-                $content = str_replace($search, $anchor . $search, $content);
-            } elseif ($childType == 'h3') {
-                // Make sure we have some place to store the items.
-                if (! isset($current_obj['items'])) {
-                    $current_obj['items'] = [];
-                }
-
-                $link = strtolower(str_replace(' ', '_', (string)$line));
-                $name = (string)$line;
-
-                $current_obj['items'][] = [
-                    'name' => $name,
-                    'link' => '#' . $link
-                ];
-
-                // Insert a named anchor into the $content
-                $anchor = '<a name="' . $link . '" id="' . $link . '" ></a>';
-
-                $search = "<h3>{$name}</h3>";
-
-                $content = str_replace($search, $anchor . $search, $content);
-            }
-
-            // Is this the last element? Then close out our current object.
-            if (count($xml) == $currentChild) {
-                if (count($current_obj)) {
-                    $map[] = $current_obj;
-                }
-            }
-        }
-        return [$map, $content];
-    }
-    //--------------------------------------------------------------------
-
-    /**
-     * Create a Directory Map
-     *
-     * Reads the specified directory and builds an array
-     * representation of it. Sub-folders contained with the
-     * directory will be mapped as well.
-     *
-     * @param    string $source_dir Path to source
-     * @param    int $directory_depth Depth of directories to traverse
-     *                        (0 = fully recursive, 1 = current dir, etc)
-     * @param    bool $hidden Whether to show hidden files
-     * @return    array
-     */
-    protected function directory_map($source_dir, $directory_depth = 0, $hidden = FALSE)
-    {
-        if ($fp = @opendir($source_dir)) {
-            $filedata = array();
-            $new_depth = $directory_depth - 1;
-            $source_dir = rtrim($source_dir, DIRECTORY_SEPARATOR) . DIRECTORY_SEPARATOR;
-
-            while (FALSE !== ($file = readdir($fp))) {
-                // Remove '.', '..', and hidden files [optional]
-                if ($file === '.' OR $file === '..' OR ($hidden === FALSE && $file[0] === '.')) {
-                    continue;
-                }
-
-                is_dir($source_dir . $file) && $file .= DIRECTORY_SEPARATOR;
-
-                if (($directory_depth < 1 OR $new_depth > 0) && is_dir($source_dir . $file)) {
-                    $filedata[$file] = directory_map($source_dir . $file, $new_depth, $hidden);
-                } else {
-                    $filedata[] = $file;
-                }
-            }
-
-            closedir($fp);
-            return $filedata;
-        }
-
-        return FALSE;
-    }
-
-    //--------------------------------------------------------------------
+		foreach ($xml->xpath('//a') as $link) {
+			$link = $this->reformatAnchor($link, $groups, $current_url, $site_url);
+		}
+
+		$content = $xml->asXML();
+		$content = trim(str_replace('<?xml version="1.0" standalone="yes"?>', '', $content));
+
+		// Clean up and style the tables
+		$content = str_replace('<table>', '<table class="' . $this->table_classes . '">', $content);
+
+		return $content;
+	}
+	//--------------------------------------------------------------------
+
+	/**
+	 * Allows users to define the classes that are attached to
+	 * generated tables.
+	 *
+	 * @param null $classes
+	 * @return $this
+	 */
+	public function setTableClasses($classes = null)
+	{
+		$this->table_classes = $classes;
+
+		return $this;
+	}
+
+	//--------------------------------------------------------------------
+
+	/**
+	 * Given the contents to render, will build a list of links for the sidebar
+	 * out of the headings in the file.
+	 *
+	 * Note: Will ONLY use h2 and h3 to build the links from.
+	 *
+	 * Note: The $content passed in WILL be modified by adding named anchors
+	 * that match up with the locations.
+	 *
+	 * @param string $content The HTML to analyse for headings.
+	 * @return string
+	 */
+	public function buildDocumentMap(&$content)
+	{
+		if (empty($content)) {
+			return $content;
+		}
+
+		// If $content already has a wrapping <div> and </div> tags, remove them,
+		// since we'll replace them just below.
+		if (strpos($content, '<div>') === 0) {
+			$content = substr($content, 5);
+
+			// Trailing div also?
+			if (substr($content, -6) == '</div>') {
+				$content = substr($content, 0, -6);
+			}
+		}
+
+		try {
+			$xml = new \SimpleXMLElement('<?xml version="1.0" standalone="yes"?><div>' . $content . '</div>');
+		} catch (\Exception $e) {
+			// SimpleXML barfed on us, so send back the un-modified content
+			return [];
+		}
+
+		$map = [];
+		list($map, $content) = $this->extractDocMapAndAddAnchors($content, $xml, $map);
+
+		return $map;
+	}
+
+	//--------------------------------------------------------------------
+
+	/**
+	 * Stores the name of the callback method to run to convert the source
+	 * files to viewable files. By default, this should be used to register
+	 * a Mardown Extended formatter with the system, but could be used to
+	 * extend the
+	 *
+	 * @param string $callback
+	 * @param bool $cascade // If FALSE the formatting of a component ends here. If TRUE, will be passed to next formatter.
+	 * @return $this
+	 */
+	public function registerFormatter($callback = null, $cascade = false)
+	{
+		if (empty($callback)) return;
+
+		$this->formatters[] = [
+			'callable' => $callback,
+			'cascade'  => (bool)$cascade
+		];
+
+		return $this;
+	}
+
+	//--------------------------------------------------------------------
+
+	/**
+	 * Runs the text through the registered formatters.
+	 *
+	 * @param $str
+	 * @return mixed
+	 */
+	public function format($str)
+	{
+		if (! is_array($this->formatters)) return $str;
+
+		foreach ($this->formatters as $formatter) {
+			$method = $formatter['callable'];
+			$cascade = $formatter['cascade'];
+
+			$str = call_user_func($method, $str);
+
+			if (! $cascade) return $str;
+		}
+
+		return $str;
+	}
+
+	//--------------------------------------------------------------------
+
+	//--------------------------------------------------------------------
+	// Table of Contents methods
+	//--------------------------------------------------------------------
+
+	/**
+	 * Retrieves the list of files in a folder and preps the name and filename
+	 * so it's ready for creating the HTML.
+	 *
+	 * @param  String $folder The path to the folder to retrieve.
+	 *
+	 * @return Array  An associative array @see parse_ini_file for format
+	 * details.
+	 */
+	public function buildTOC($folder)
+	{
+		// If the toc file exists in the folder, use it to build the links.
+		if (is_file("{$folder}/_toc.ini")) {
+			$toc = parse_ini_file("{$folder}/_toc.ini", true);
+			return $this->columnizeTOC($toc);
+		}
+
+		// If the toc file does not exist, build the links by listing the files
+		// in the directory (and any sub-directories)
+		$map = $this->directory_map($folder);
+
+		// If directory_map can not open the directory or find any files inside
+		// the directory, return an empty array.
+		if (empty($map)) {
+			return [];
+		}
+
+		// If these docs are located in the /application/docs or /bonfire/docs
+		// directory, just use $this->current_group for the root.
+		// Module docs need $this->current_group and $type.
+		$tocRoot = $this->current_folder;
+		if ($this->current_folder != strtolower($folder)) {
+			$tocRoot .= '/' . strtolower($folder);
+		}
+
+		$toc = [];
+		foreach ($map as $files) {
+			// If $files isn't an array, then make it one so that all situations
+			// may be dealt with cleanly.
+			if (! is_array($files)) {
+				$files = [$files];
+			}
+
+			foreach ($files as $file) {
+				if (in_array($file, $this->ignore_files)) {
+					continue;
+				}
+
+				// The title for the index is the passed $type. Otherwise,
+				// build the title from the file's name.
+				if (strpos($file, 'index') === false) {
+					$title = str_replace($this->docs_ext, '', $file);
+					$title = str_replace('_', ' ', $title);
+					$title = ucwords($title);
+
+					$toc["{$tocRoot}/{$file}"] = $title;
+				} else {
+					$toc[$tocRoot] = $type;
+				}
+			}
+		}
+
+		$toc = $this->columnizeTOC($toc);
+
+		return $toc;
+	}
+
+	//--------------------------------------------------------------------
+
+	/**
+	 * Sorts the passed TOC array into columns of as close to equal length
+	 * as we can get it.
+	 *
+	 * @param $toc
+	 * @return array
+	 */
+	protected function columnizeTOC($toc)
+	{
+		$section_count = count($toc);
+
+		// First - determine the size of each 'section'.
+		$sizes = [];
+
+		foreach ($toc as $section => $chapters) {
+			$sizes[] = count($chapters);
+		}
+
+		$column_avg = (int)round(array_sum($sizes) / $section_count);
+
+		// Split things into 4 columns of approximately equal size.
+		// If we only have 4 columns (or less), then make sure to
+		// deal with that also.
+		$columns = [];
+
+		$current_column = 0;
+		$current_column_count = 0;
+		$keys = array_keys($toc);
+
+		for ($i = 0; $i <= $section_count; $i++) {
+			if (! isset($keys[$i])) {
+				continue;
+			}
+
+			$section = array_shift($toc);
+
+			// Can we stay in this column?
+			if ($current_column_count <= $column_avg && $section_count > 4) {
+				// Don't forget to account for the heading also.
+				$current_column_count += count($section) + 1;
+			} else {
+				$current_column_count = 0;
+				$current_column++;
+			}
+
+			$columns[$current_column][$keys[$i]] = $section;
+		}
+
+		return $columns;
+	}
+
+	//--------------------------------------------------------------------
+
+	//--------------------------------------------------------------------
+	// Folder Methods
+	//--------------------------------------------------------------------
+
+	/**
+	 * Returns the current docFolders array.
+	 *
+	 * @return array
+	 */
+	public function docFolders()
+	{
+		return $this->doc_folders;
+	}
+
+	//--------------------------------------------------------------------
+
+	/**
+	 * Registers a path to be used when searching for documentation files.
+	 *
+	 * @param $name     A nickname to reference it by later.
+	 * @param $path     The server path to the folder.
+	 * @return $this
+	 */
+	public function addDocFolder($name, $path)
+	{
+		// Standardize the path
+		$path = realpath($path) . '/';
+
+		// realpath will return FALSE if the path doesn't exist
+		// or the script doesn't have access to it.
+		if (! $path || $path == '/') {
+			return $this;
+		}
+
+		$name = strtolower($name);
+
+		$this->doc_folders[$name] = $path;
+
+		return $this;
+	}
+
+	//--------------------------------------------------------------------
+
+	/**
+	 * Removes a folder from the folders we scan for documentation files
+	 * within.
+	 *
+	 * @param $name
+	 * @return $this
+	 */
+	public function removeDocFolder($name)
+	{
+		$name = strtolower($name);
+
+		if (isset($this->doc_folders[$name])) {
+			unset($this->doc_folders[$name]);
+		}
+
+		return $this;
+	}
+
+	//--------------------------------------------------------------------
+
+	//--------------------------------------------------------------------
+	// Private Methods
+	//--------------------------------------------------------------------
+
+	/**
+	 * Analyzes the passed in current url string and checks against
+	 * a list of groups to determine what the current group is.
+	 *
+	 * @param $current_url
+	 * @param $groups
+	 * @return string
+	 */
+	protected function detectCurrentFolder($current_url, $groups = [])
+	{
+		if (! is_array($groups)) {
+			return null;
+		}
+
+		$segments = explode('/', $current_url);
+
+		// We start from the back of the array since
+		// that's most likely to be close to the end.
+		$segments = array_reverse($segments);
+
+		foreach ($segments as $segment) {
+			foreach ($groups as $group) {
+				if (strtolower($group) == strtolower($segment)) {
+					return $group;
+				}
+			}
+		}
+
+		// Nothing found?
+		return null;
+	}
+
+	//--------------------------------------------------------------------
+
+	//--------------------------------------------------------------------
+	// Private Methods
+	//--------------------------------------------------------------------
+
+	/**
+	 * Locates the file on disk and reads the contents into a single string.
+	 *
+	 * If a folder Nickname (see addDocFolder() ) is passed as the second parameter,
+	 * it will limit it's search to that single folder. If nothing is passed, it will
+	 * search through all of the folders in the order they were given to the library,
+	 * until it finds the first one.
+	 *
+	 * @param string $path The 'path' of the file (relative to the docs
+	 *                                 folder. Usually from the URI)
+	 * @param string $restrictToFolder (Optional) The nickname of one of the
+	 *                                 folders to restrict the search to.
+	 *
+	 * @throws RuntimeException
+	 * @return null|string
+	 */
+	private function locateAndReadFile($path, $restrictToFolder = null)
+	{
+		$folders = $this->doc_folders;
+
+		if (! is_null($restrictToFolder)) {
+			// Make sure the folder exists
+			if (! is_null($restrictToFolder) && ! isset($this->doc_folders[$restrictToFolder])) {
+				throw new \RuntimeException('You must add the docs folder that you wish to find docs from.');
+			}
+
+			$folders = [$this->doc_folders[$restrictToFolder]];
+		}
+
+		foreach ($folders as $alias => $folder) {
+			if (file_exists($folder . $path . $this->docs_ext)) {
+				// Store the alias so we know which folder we're in.
+				$this->current_folder = $alias;
+
+				return file_get_contents($folder . $path . $this->docs_ext);
+			}
+		}
+
+		return null;
+	}
+
+	//--------------------------------------------------------------------
+
+	/**
+	 * Re-formats the passed in link.
+	 *
+	 * @param $link
+	 * @param $current_url
+	 * @param $site_url
+	 * @return mixed
+	 */
+	private function reformatAnchor($link, $groups, $current_url, $site_url)
+	{
+		// Grab the href value.
+		$href = $link->attributes()->href;
+
+		// If the href is null, it's probably a named anchor with no content.
+		if (! $href) {
+			// Make sure it has an href, else the XML will not close this
+			// tag correctly.
+			$link['href'] = ' ';
+
+			return $link;
+		}
+
+		// Remove any trailing # signs
+		$href = rtrim($href, '# ');
+
+		// If the href starts with #, then attach the current_url to it
+		if ($href != '' && substr_compare($href, '#', 0, 1) === 0) {
+			$link['href'] = $current_url . $href;
+
+			return $link;
+		}
+
+		// If it's a full external path, go on...
+		if ((strpos($href, 'http://') !== false || strpos($href, 'https://') !== false) &&
+			strpos($href, $site_url) === false
+		) {
+			$link['target'] = "_blank";
+			return $link;
+		}
+
+		// If it's a full local path, get rid of it.
+		if ($site_url !== "/" && strpos($href, $site_url) !== false) {
+			$href = str_replace($site_url, '', $href);
+		}
+
+		// Strip out some unnecessary items, just in case they're there.
+		if (substr($href, 0, strlen('docs/')) == 'docs/') {
+			$href = substr($href, strlen('docs/'));
+		}
+
+		// This includes 'bonfire/' if it was missed during the conversion.
+		if (substr($href, 0, strlen('bonfire/')) == 'bonfire/') {
+			$href = substr($href, strlen('bonfire/'));
+		}
+
+		// If another 'group' is not already defined at the head of the link
+		// then add the current group to it.
+		$group_found = false;
+
+		foreach ($groups as $group) {
+			if (strpos($href, $group) === 0) {
+				$group_found = true;
+			}
+		}
+
+		if (! $group_found) {
+			$href = $this->current_folder . '/' . $href;
+		}
+
+		// Convert to full site_url
+		if (strpos($href, 'http') !== 0) {
+			$href = $site_url . 'docs/' . ltrim($href, '/ ');
+		}
+
+		// Save the corrected href
+		$link['href'] = $href;
+
+		return $link;
+	}
+
+	//--------------------------------------------------------------------
+
+	/**
+	 * Creates a Document Map based on <h2> and <h3> tags.
+	 * Also adds named anchors into the $content so the map
+	 * can link to the content properly.
+	 *
+	 * @param $content
+	 * @param $xml
+	 * @param $map
+	 * @return array
+	 */
+	protected function extractDocMapAndAddAnchors(&$content, $xml, $map)
+	{
+		// Holds the current h2 we're processing
+		$current_obj = [];
+
+		$currentChild = 0;
+
+		foreach ($xml->children() as $childType => $line) {
+			$currentChild++;
+
+			// If it's an h1 - take the first and make it
+			// our page title.
+			if ($childType == 'h1' && empty($this->page_title))
+			{
+				$this->page_title = (string)$line;
+			}
+
+			// Make sure that our current object is
+			// stored and reset.
+			if ($childType == 'h1' || $childType == 'h2') {
+				if (count($current_obj)) {
+					$map[] = $current_obj;
+					$current_obj = [];
+				}
+			}
+
+			if ($childType == 'h2') {
+				$name = (string)$line;
+				$link = strtolower(str_replace(' ', '_', (string)$line));
+
+				$current_obj['name'] = $name;
+				$current_obj['link'] = '#' . $link;
+				$current_obj['items'] = [];
+
+				// Insert a named anchor into the $content
+				$anchor = '<a name="' . $link . '" id="' . $link . '" ></a>';
+
+				$search = "<h2>{$name}</h2>";
+
+				$content = str_replace($search, $anchor . $search, $content);
+			} elseif ($childType == 'h3') {
+				// Make sure we have some place to store the items.
+				if (! isset($current_obj['items'])) {
+					$current_obj['items'] = [];
+				}
+
+				$link = strtolower(str_replace(' ', '_', (string)$line));
+				$name = (string)$line;
+
+				$current_obj['items'][] = [
+					'name' => $name,
+					'link' => '#' . $link
+				];
+
+				// Insert a named anchor into the $content
+				$anchor = '<a name="' . $link . '" id="' . $link . '" ></a>';
+
+				$search = "<h3>{$name}</h3>";
+
+				$content = str_replace($search, $anchor . $search, $content);
+			}
+
+			// Is this the last element? Then close out our current object.
+			if (count($xml) == $currentChild) {
+				if (count($current_obj)) {
+					$map[] = $current_obj;
+				}
+			}
+		}
+		return [$map, $content];
+	}
+	//--------------------------------------------------------------------
+
+	/**
+	 * Create a Directory Map
+	 *
+	 * Reads the specified directory and builds an array
+	 * representation of it. Sub-folders contained with the
+	 * directory will be mapped as well.
+	 *
+	 * @param    string $source_dir Path to source
+	 * @param    int $directory_depth Depth of directories to traverse
+	 *                        (0 = fully recursive, 1 = current dir, etc)
+	 * @param    bool $hidden Whether to show hidden files
+	 * @return    array
+	 */
+	protected function directory_map($source_dir, $directory_depth = 0, $hidden = FALSE)
+	{
+		if ($fp = @opendir($source_dir)) {
+			$filedata = array();
+			$new_depth = $directory_depth - 1;
+			$source_dir = rtrim($source_dir, DIRECTORY_SEPARATOR) . DIRECTORY_SEPARATOR;
+
+			while (FALSE !== ($file = readdir($fp))) {
+				// Remove '.', '..', and hidden files [optional]
+				if ($file === '.' OR $file === '..' OR ($hidden === FALSE && $file[0] === '.')) {
+					continue;
+				}
+
+				is_dir($source_dir . $file) && $file .= DIRECTORY_SEPARATOR;
+
+				if (($directory_depth < 1 OR $new_depth > 0) && is_dir($source_dir . $file)) {
+					$filedata[$file] = directory_map($source_dir . $file, $new_depth, $hidden);
+				} else {
+					$filedata[] = $file;
+				}
+			}
+
+			closedir($fp);
+			return $filedata;
+		}
+
+		return FALSE;
+	}
+
+	//--------------------------------------------------------------------
 
 }