1 files changed, 30 insertions, 0 deletions
diff --git a/library/epub-meta/util.php b/library/epub-meta/util.php
new file mode 100644
index 000000000..75cb8a829
--- /dev/null
+++ b/library/epub-meta/util.php
@@ -0,0 +1,30 @@
+<?php
+
+function to_file($input){
+    $input = str_replace(' ','_',$input);
+    $input = str_replace('__','_',$input);
+    $input = str_replace(',_',',',$input);
+    $input = str_replace('_,',',',$input);
+    $input = str_replace('-_','-',$input);
+    $input = str_replace('_-','-',$input);
+    $input = str_replace(',','__',$input);
+    return $input;
+}
+
+function book_output($input){
+    $input = str_replace('__',',',$input);
+    $input = str_replace('_',' ',$input);
+    $input = str_replace(',',', ',$input);
+    $input = str_replace('-',' - ',$input);
+    list($author,$title) = explode('-',$input,2);
+    $author = trim($author);
+    $title  = trim($title);
+
+    if(!$title){
+        $title = $author;
+        $author = '';
+    }
+
+    return '<span class="title">'.htmlspecialchars($title).'</span>'.
+           '<span class="author">'.htmlspecialchars($author).'</author>';
+}