Index: libraries.api.php
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/libraries/libraries.api.php,v
retrieving revision 1.1
diff -u -p -r1.1 libraries.api.php
--- libraries.api.php	3 Apr 2010 18:55:10 -0000	1.1
+++ libraries.api.php	12 Apr 2010 20:51:47 -0000
@@ -62,6 +62,8 @@
  *     the same notion as the top-level 'files' property. Each specified file
  *     should contain the full path to the file.
  *   Additional top-level properties can be registered as needed.
+ *
+ * @see hook_library()
  */
 function hook_libraries_info() {
   // The following is a full explanation of all properties. See below for more
@@ -203,9 +205,9 @@ function hook_libraries_info() {
     'download url' => 'http://tinymce.moxiecode.com/download.php',
     'path' => 'jscripts/tiny_mce',
     'version arguments' => array(
-      // It can be easier to parse the first chars of a minified file instead of
-      // doing a multi-line pattern matching in a source file. See 'lines' and
-      // 'cols' below.
+      // It can be easier to parse the first characters of a minified file
+      // instead of doing a multi-line pattern matching in a source file. See
+      // 'lines' and 'cols' below.
       'file' => 'jscripts/tiny_mce/tiny_mce.js',
       // Best practice: Document the actual version strings for later reference.
       // 2.x: this.majorVersion="2";this.minorVersion="1.3"
Index: libraries.module
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/libraries/libraries.module,v
retrieving revision 1.4
diff -u -p -r1.4 libraries.module
--- libraries.module	3 Apr 2010 18:55:10 -0000	1.4
+++ libraries.module	12 Apr 2010 20:51:48 -0000
@@ -188,7 +188,7 @@ function libraries_info($library = NULL)
  */
 function libraries_detect($libraries) {
   foreach ($libraries as $name => $library) {
-    libraries_detect_library(&$libraries[$name]);
+    libraries_detect_library($libraries[$name]);
   }
   return $libraries;
 }
@@ -250,3 +250,82 @@ function libraries_detect_library(&$libr
   }
 }
 
+/**
+ * Loads a library.
+ *
+ * @param $library
+ *   The name of the library to load.
+ */
+function libraries_load($library) {
+  $library = libraries_info($library);
+  libraries_detect_library($library);
+
+  // Load both the JavaScript and the CSS files.
+  // The parameters for drupal_add_js() and drupal_add_css() require special
+  // handling.
+  foreach (array('js', 'css') as $type) {
+    foreach ($library['files'][$type] as $data => $options) {
+      // If the value is not an array, it's a filename and passed as first
+      // (and only) argument.
+      if (!is_array($options)) {
+        $data = $options;
+        $options = NULL;
+      }
+      // In some cases, the first parameter ($data) is an array. Arrays can't be
+      // passed as keys in PHP, so we have to get $data from the value array.
+      if (is_numeric($data)) {
+        $data = $options['data'];
+        unset($options['data']);
+      }
+      // Apply the default weight if the weight isn't explicitly given.
+      if (!isset($options['weight'])) {
+        $options['weight'] = $weight;
+      }
+      call_user_func('drupal_add_' . $type, $data, $options);
+    }
+  }
+
+
+  // Load PHP files.
+  if ($files = $library['files']['php']) {
+    foreach ($files as $file) {
+      require_once($library['library path'] . $file);
+    }
+  }
+}
+
+/**
+ * Gets the version information from an arbitrary library.
+ *
+ * @param $file
+ *   The filename to parse for the version, relative to the library path. For
+ *   example: 'docs/changelog.txt'.
+ * @param $pattern
+ *   A string containing a regular expression (PCRE) to match the library
+ *   version. For example: '/@version (\d+)\.(\d+)/'.
+ * @param $lines
+ *   The maximum number of lines to search the pattern in. For example: 20.
+ * @param $cols
+ *   (optional) The maximum number of characters per line to take into account.
+ *   For example: 40. Defaults to unlimited. To be used if the file containing
+ *   the library version is minified/compressed, i.e. reading a single line
+ *   would read the entire library into memory.
+ *
+ * @return
+ *   A string containing the version of the library.
+ */
+function libraries_get_version($file, $pattern, $lines, $cols = NULL) {
+  if (!file_exists($file)) {
+    return;
+  }
+  $file = fopen($file, 'r');
+  while ($lines && $line = fgets($file, $cols)) {
+    if (preg_match($pattern, $line, $version)) {
+      fclose($library);
+      return $version[1];
+    }
+    $lines--;
+  }
+  fclose($library);
+}
+
