Merge branch 'master' of git://github.com/friendica/friendica

1 files changed, 83 insertions, 0 deletions

diff --git a/library/Smarty/libs/plugins/shared.mb_wordwrap.php b/library/Smarty/libs/plugins/shared.mb_wordwrap.php
new file mode 100644
index 000000000..ba3498c70
--- /dev/null
+++ b/library/Smarty/libs/plugins/shared.mb_wordwrap.php
@@ -0,0 +1,83 @@
+<?php
+/**
+ * Smarty shared plugin
+ *
+ * @package Smarty
+ * @subpackage PluginsShared
+ */
+
+if(!function_exists('smarty_mb_wordwrap')) {
+
+    /**
+     * Wrap a string to a given number of characters
+     *
+     * @link http://php.net/manual/en/function.wordwrap.php for similarity
+     * @param string  $str   the string to wrap
+     * @param int     $width the width of the output
+     * @param string  $break the character used to break the line
+     * @param boolean $cut   ignored parameter, just for the sake of
+     * @return string wrapped string
+     * @author Rodney Rehm
+     */
+    function smarty_mb_wordwrap($str, $width=75, $break="\n", $cut=false)
+    {
+        // break words into tokens using white space as a delimiter
+        $tokens = preg_split('!(\s)!S' . Smarty::$_UTF8_MODIFIER, $str, -1, PREG_SPLIT_NO_EMPTY + PREG_SPLIT_DELIM_CAPTURE);
+        $length = 0;
+        $t = '';
+        $_previous = false;
+
+        foreach ($tokens as $_token) {
+            $token_length = mb_strlen($_token, Smarty::$_CHARSET);
+            $_tokens = array($_token);
+            if ($token_length > $width) {
+                // remove last space
+                $t = mb_substr($t, 0, -1, Smarty::$_CHARSET);
+                $_previous = false;
+                $length = 0;
+
+                if ($cut) {
+                    $_tokens = preg_split('!(.{' . $width . '})!S' . Smarty::$_UTF8_MODIFIER, $_token, -1, PREG_SPLIT_NO_EMPTY + PREG_SPLIT_DELIM_CAPTURE);
+                    // broken words go on a new line
+                    $t .= $break;
+                }
+            }
+
+            foreach ($_tokens as $token) {
+                $_space = !!preg_match('!^\s$!S' . Smarty::$_UTF8_MODIFIER, $token);
+                $token_length = mb_strlen($token, Smarty::$_CHARSET);
+                $length += $token_length;
+
+                if ($length > $width) {
+                    // remove space before inserted break
+                    if ($_previous && $token_length < $width) {
+                        $t = mb_substr($t, 0, -1, Smarty::$_CHARSET);
+                    }
+
+                    // add the break before the token
+                    $t .= $break;
+                    $length = $token_length;
+
+                    // skip space after inserting a break
+                    if ($_space) {
+                        $length = 0;
+                        continue;
+                    }
+                } else if ($token == "\n") {
+                    // hard break must reset counters
+                    $_previous = 0;
+                    $length = 0;
+                } else {
+                    // remember if we had a space or not
+                    $_previous = $_space;
+                }
+                // add the token
+                $t .= $token;
+            }
+        }
+
+        return $t;
+    }
+
+}
+?>
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