drupal_find_theme_templates($cache, $extension, $path)
Allows themes and/or theme engines to easily discover overridden templates.
Parameters
$cache: The existing cache of theme hooks to test against.
$extension: The extension that these templates will have.
$path: The path to search.
File
- core/includes/theme.inc, line 193
- The theme system, which controls the output of Drupal.
Code
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 | function drupal_find_theme_templates($cache, $extension, $path) { $implementations = array(); // Collect paths to all sub-themes grouped by base themes. These will be // used for filtering. This allows base themes to have sub-themes in its // folder hierarchy without affecting the base themes template discovery. $theme_paths = array(); foreach (\Drupal::service('theme_handler')->listInfo() as $theme_info) { if (!empty($theme_info->base_theme)) { $theme_paths[$theme_info->base_theme][$theme_info->getName()] = $theme_info->getPath(); } } foreach ($theme_paths as $basetheme => $subthemes) { foreach ($subthemes as $subtheme => $subtheme_path) { if (isset($theme_paths[$subtheme])) { $theme_paths[$basetheme] = array_merge($theme_paths[$basetheme], $theme_paths[$subtheme]); } } } $theme = \Drupal::theme()->getActiveTheme()->getName(); $subtheme_paths = isset($theme_paths[$theme]) ? $theme_paths[$theme] : array(); // Escape the periods in the extension. $regex = '/' . str_replace('.', '\.', $extension) . '$/'; // Get a listing of all template files in the path to search. $files = file_scan_directory($path, $regex, array('key' => 'filename')); // Find templates that implement registered theme hooks and include that in // what is returned so that the registry knows that the theme has this // implementation. foreach ($files as $template => $file) { // Ignore sub-theme templates for the current theme. if (strpos($file->uri, str_replace($subtheme_paths, '', $file->uri)) !== 0) { continue; } // Remove the extension from the filename. $template = str_replace($extension, '', $template); // Transform - in filenames to _ to match function naming scheme // for the purposes of searching. $hook = strtr($template, '-', '_'); if (isset($cache[$hook])) { $implementations[$hook] = array( 'template' => $template, 'path' => dirname($file->uri), ); } // Match templates based on the 'template' filename. foreach ($cache as $hook => $info) { if (isset($info['template'])) { $template_candidates = array($info['template'], str_replace($info['theme path'] . '/templates/', '', $info['template'])); if (in_array($template, $template_candidates)) { $implementations[$hook] = array( 'template' => $template, 'path' => dirname($file->uri), ); } } } } // Find templates that implement possible "suggestion" variants of registered // theme hooks and add those as new registered theme hooks. See // drupal_find_theme_functions() for more information about suggestions and // the use of 'pattern' and 'base hook'. $patterns = array_keys($files); foreach ($cache as $hook => $info) { $pattern = isset($info['pattern']) ? $info['pattern'] : ($hook . '__'); if (!isset($info['base hook']) && !empty($pattern)) { // Transform _ in pattern to - to match file naming scheme // for the purposes of searching. $pattern = strtr($pattern, '_', '-'); $matches = preg_grep('/^' . $pattern . '/', $patterns); if ($matches) { foreach ($matches as $match) { $file = $match; // Remove the extension from the filename. $file = str_replace($extension, '', $file); // Put the underscores back in for the hook name and register this // pattern. $arg_name = isset($info['variables']) ? 'variables' : 'render element'; $implementations[strtr($file, '-', '_')] = array( 'template' => $file, 'path' => dirname($files[$match]->uri), $arg_name => $info[$arg_name], 'base hook' => $hook, ); } } } } return $implementations;} |
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