--- freelinking.module	2009-10-22 22:04:18.998850062 -0700
+++ freelinking.module_hooks	2009-10-22 23:19:32.602189880 -0700
@@ -1,15 +1,7 @@
 <?php
 // freelinking3 -- flexible linking of content
 
-function _freelinking_include_all_plugins() {
-  global $freelinking;
-  foreach (glob(drupal_get_path('module', 'freelinking') . '/plugins/*.inc') as $plugin) {
-    include_once($plugin);
-  } // endforeach looping through plugins
-} // endfunction _freelinking_include_all_plugins
-
 function freelinking_filter($op, $delta = 0, $format = -1, $text = '', $langcode = '', $cache_id = 0) {
-  global $freelinking;
   switch ($op) {
     case 'list':
       return array(0 => 'freelinking filter');
@@ -18,7 +10,9 @@ function freelinking_filter($op, $delta 
     case 'description':
       return t('Allows for a flexible format for linking content');
     case 'process':
-      _freelinking_include_all_plugins();
+      // call hook_freelinking_syntax for syntax patterns.
+	  $freelinking = module_invoke_all('freelinking_syntax');
+
       // Handle default freelinks first
       $regex = '/\[\[([^:]+)]]/Uu'; // find freelinks that don't contain a colon
       preg_match_all($regex, $text, $defaultmatches, PREG_SET_ORDER);
@@ -88,16 +82,9 @@ function freelinking_menu() {
 } // endfunction freelinking_menu
 
 function freelinking_settings() {
-  global $freelinking;
-  _freelinking_include_all_plugins();
-
   $form = array();
-
-  foreach (array_keys($freelinking) as $plugin) {
+  foreach(module_implements('freelinking_syntax') as $plugin) {
     $available_plugins[$plugin] = $plugin;
-    if (function_exists('freelinking_' . $plugin . '_settings')) { // find plugins with settings
-      $plugin_with_settings[] = $plugin;
-    } // endif plugin has a settings function
   } // endforeach looping through plugins
 
   $form['freelinking_default'] = array(
@@ -110,17 +97,113 @@ function freelinking_settings() {
   );
 
   // loop through plugin settings functions, adding a fieldset for each
-  foreach ($plugin_with_settings as $plugin) {
+  $plugin_with_settings = module_invoke_all('freelinking_settings');
+  foreach ($plugin_with_settings as $plugin => $form_element) {
     $form[$plugin] = array(
       '#title' => t('Settings for ' . $plugin . ' plugin'),
       '#type'  => 'fieldset',
       '#collapsible' => TRUE,
       '#collapsed' => FALSE,
      );
-    $form[$plugin]['settings'] = call_user_func('freelinking_' . $plugin . '_settings');
+    $form[$plugin]['settings'] = $form_element;
   } // endforeach looping through plugins with settings
 
   return system_settings_form($form);
 } // endfunction freelinking_settings (admin settings)
 
+
+/**
+ * Nodetitle plugin for Freelinking
+ * allows for a link like [[nodetitle:Freelinking filter]] to be expanded to
+ * a link to the node titled "Freelinking filter" or a link to create
+ * the node.
+ */
+
+/**
+ * Implementation of hook_freelinking_syntax().
+ */
+function freelinking_freelinking_syntax() {
+  $freelinking = array();
+  $freelinking['nodetitle'] = array(
+    'indicator' => '/n(t|odetitle)/',
+    'callback' => 'freelinking_nodetitle_callback',
+    'run on view' => TRUE,
+  );
+  return $freelinking;
+}
+
+/**
+ * Replacement callback for freelinking_nodetitle_freelinking_syntax()
+ */
+function freelinking_nodetitle_callback($target) { // resolve $target into a link to the node or a create link
+  $sql = 'SELECT nid FROM {node} WHERE title = "%s" ';
+  if (variable_get('freelinking_nodetitle_searchcontenttype', 'none') != 'none') { // restrict title search to a content type
+    $sql .= 'AND type ="%s" ';
+    $result = db_query($sql, $target[1], variable_get('freelinking_nodetitle_searchcontenttype'), 'none');
+  } // endif title search restriction
+  else {
+    $result = db_query($sql, $target[1]);
+  } // endifelse no title search restriction
+  while ($node = db_fetch_object($result)) { // should be only one
+    $nid = $node->nid;
+  } // endwhile looping through (one) node
+  
+  if ($nid) { // I got your freelink right here
+    $replacement =  l($target[1], 'node/' . $nid, array(
+      'attributes' => array('class' => 'freelink',),
+    ));
+  } // endif a node was found matching the target
+  else { // Didn't find one. Present a link to create/do a search
+    $notfoundaction = variable_get('freelinking_nodetitle_notfoundaction', 'create');
+    if ($notfoundaction == 'create' or ($notfoundaction == 'noaccesssearch' && node_access('create', variable_get('freelinking_nodetitle_newcontenttype', 'story')))) {
+      $replacement = l($target[1], 'node/add/' . variable_get('freelinking_nodetitle_newcontenttype', 'story') , array(
+        'attributes' => array(
+          'class' => 'freelink notfound',
+          'title' => 'Create content titled "' . $target[1] . '"',
+        ),
+        'query' => array('edit[title]' => $target[1]),
+        ));
+    } // endif create
+    else { // either no create action or no access rights, so search
+      $replacement = l($target[1], 'search/node/' . $target[1], array(
+        'attributes' => array(
+          'class' => 'freelink notfound freelink-search',
+          'title' => 'Search this site for content like "' . $target[1] . '"',
+        ),
+      ));
+    } // endifelse search
+  } // endifelse no node found
+  return $replacement;
+}
+
+function freelinking_freelinking_settings() { // settings for the nodetitle plugin
+  $form['freelinking_nodetitle_newcontenttype'] = array(
+    '#title' => t('Default for new content'),
+    '#type'  => 'select',
+    '#options' => node_get_types('names'),
+    '#default_value' => variable_get('freelinking_nodetitle_newcontenttype', 'story'),
+    '#description'  => t('Content that is to be created from a freelink should be of this type.'),
+  );
+  $form['freelinking_nodetitle_searchcontenttype'] = array(
+    '#title' => t('Restrict freelinks to this content type'),
+    '#type'  => 'select',
+    '#options' => array_merge(array('none' => t('No restriction')), node_get_types('names')),
+    '#default_value' => variable_get('freelinking_nodetitle_searchcontenttype', 'none'),
+    '#description' => t('Lookup by title to find a freelink will be restricted to this content type only.'),
+  );
+  $form['freelinking_nodetitle_notfoundaction'] = array(
+    '#title' => t('If a suitable content is not found:'),
+    '#type' => 'select',
+    '#options' => array(
+      'create' => t('Only try to create content. Do not search for content. May give a 403 if the user does not have permission'),
+      'noaccesssearch' => t('Try to create content, but if the user does not have permission, do a search. Requires search.module'),
+      'search'  => t('Only search for content. Do not try to create new content. Requires search.module'),
+    ),
+    '#default_value' => variable_get('freelinking_nodetitle_notfoundaction', 'create'),
+    '#description' => t('What should freelinking do when content to link to is not found?'),
+  );
+
+  return $form;
+} // endfunction freelinking_freelinking_settings()
+
 // vim: tw=300 nowrap syn=php