changed licence to lgpl, metaform includes wfpl in tarbal

[wfpl.git] / encode.php

diff --git a/encode.php b/encode.php
index 3a11689..7d4700f 100644 (file)
--- a/encode.php
+++ b/encode.php
@@ -4,23 +4,28 @@
 #
 #  This file is part of wfpl.
 #
-#  wfpl is free software; you can redistribute it and/or modify it
-#  under the terms of the GNU General Public License as published by
-#  the Free Software Foundation; either version 2, or (at your option)
+#  wfpl is free software; you can redistribute it and/or modify it under the
+#  terms of the GNU Lesser General Public License as published by the Free
+#  Software Foundation; either version 2.1 of the License, or (at your option)
 #  any later version.
 #
-#  wfpl is distributed in the hope that it will be useful, but
-#  WITHOUT ANY WARRANTY; without even the implied warranty of
-#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-#  General Public License for more details.
+#  wfpl is distributed in the hope that it will be useful, but WITHOUT ANY
+#  WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+#  FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for
+#  more details.
 #
-#  You should have received a copy of the GNU General Public License
-#  along with wfpl; see the file COPYING.  If not, write to the
-#  Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
-#  MA 02111-1307, USA.
+#  You should have received a copy of the GNU Lesser General Public License
+#  along with wfpl; if not, write to the Free Software Foundation, Inc., 51
+#  Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 
 
-# This file contains basic encodings
+# This file contains basic encodings. These are used by the encoder. You can
+# specify any template tag to be encoded with this syntax: ~variable.encoding~
+#
+# this example: <p>~foo.html~</p>
+# will encode foo (using enc_html()) before displaying it, so that characters
+# such as < will display properly.
+
 
 # encode for putting within double-quotes in SQL
 function enc_sql($str) {
@@ -53,5 +58,20 @@ function enc_checked($str) {
                return '';
        }
 }
-       
 
+# add a tab at the begining of each non-empty line
+function enc_tab($str) {
+       $lines = explode("\n", $str);
+       $out = '';
+       foreach($lines as $line) {
+               if($line) {
+                       $out .= "\t$line";
+               }
+               $out .= "\n";
+       }
+
+       # remove the extra newline added above
+       return substr($out, 0, -1);
+}
+
+?>