X-Git-Url: https://jasonwoof.com/gitweb/?a=blobdiff_plain;ds=sidebyside;f=encode.php;h=5b8eadf9426beb13051670821f51991f8f4bf25d;hb=e3c093250e28f834151eb6ddba5ad965a8e6651b;hp=c3c71a7bb8a4613e7d27f697b564868d67b0e38e;hpb=3698f739c8155069451c61085ab925250c592e42;p=wfpl.git

diff --git a/encode.php b/encode.php
index c3c71a7..5b8eadf 100644
--- a/encode.php
+++ b/encode.php
@@ -20,8 +20,22 @@
 #  MA 02111-1307, 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) {
+	$str = str_replace("\\", "\\\\", $str);
+	$str = str_replace('"', "\\\"", $str);
+	return $str;
+}
 
+# encode for output in html. does nothing with whitespace
 function enc_html($str) {
 	$str = str_replace('&', '&amp;', $str);
 	$str = str_replace('<', '&lt;', $str);
@@ -45,5 +59,20 @@ function enc_checked($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);
+}
+
+?>