Merge pull request #707 from mariroz/dev

update to 3.2 version of full-text-rss, issue #694

1 files changed, 33 insertions, 9 deletions

diff --git a/inc/3rdparty/makefulltextfeedHelpers.php b/inc/3rdparty/makefulltextfeedHelpers.php
index 1c11b8f6..4e985372 100755
--- a/inc/3rdparty/makefulltextfeedHelpers.php
+++ b/inc/3rdparty/makefulltextfeedHelpers.php
@@ -66,6 +66,38 @@ class DummySingleItem {
 // HELPER FUNCTIONS
 ///////////////////////////////
 
+// Adapted from WordPress

+// http://core.trac.wordpress.org/browser/tags/3.5.1/wp-includes/formatting.php#L2173

+function get_excerpt($text, $num_words=55, $more=null) {

+        if (null === $more) $more = '…';

+        $text = strip_tags($text);

+        //TODO: Check if word count is based on single characters (East Asian characters)

+        /*

+        if (1==2) {

+        $text = trim(preg_replace("/[\n\r\t ]+/", ' ', $text), ' ');

+        preg_match_all('/./u', $text, $words_array);

+        $words_array = array_slice($words_array[0], 0, $num_words + 1);

+        $sep = '';

+        } else {

+        $words_array = preg_split("/[\n\r\t ]+/", $text, $num_words + 1, PREG_SPLIT_NO_EMPTY);

+        $sep = ' ';

+        }

+        */

+        $words_array = preg_split("/[\n\r\t ]+/", $text, $num_words + 1, PREG_SPLIT_NO_EMPTY);

+        $sep = ' ';

+        if (count($words_array) > $num_words) {

+                array_pop($words_array);

+                $text = implode($sep, $words_array);

+                $text = $text.$more;

+        } else {

+                $text = implode($sep, $words_array);

+        }

+        // trim whitespace at beginning or end of string

+        // See: http://stackoverflow.com/questions/4166896/trim-unicode-whitespace-in-php-5-2

+        $text = preg_replace('/^[\pZ\pC]+|[\pZ\pC]+$/u', '', $text);

+        return $text;

+}

+

 function url_allowed($url) {
         global $options;
         if (!empty($options->allowed_urls)) {
@@ -165,14 +197,6 @@ function convert_to_utf8($html, $header=null)
                         if (strtolower($encoding) != 'utf-8') {
                                 debug('Converting to UTF-8');
                                 $html = SimplePie_Misc::change_encoding($html, $encoding, 'utf-8');
-                                /*
-                                if (function_exists('iconv')) {
-                                        // iconv appears to handle certain character encodings better than mb_convert_encoding
-                                        $html = iconv($encoding, 'utf-8', $html);
-                                } else {
-                                        $html = mb_convert_encoding($html, 'utf-8', $encoding);
-                                }
-                                */
                         }
                 }
         }
@@ -196,7 +220,7 @@ function makeAbsolute($base, $elem) {
 }
 function makeAbsoluteAttr($base, $e, $attr) {
         if ($e->hasAttribute($attr)) {
-                // Trim leading and trailing white space. I don't really like this but 
+                // Trim leading and trailing white space. I don't really like this but
                 // unfortunately it does appear on some sites. e.g.  <img src=" /path/to/image.jpg" />
                 $url = trim(str_replace('%20', ' ', $e->getAttribute($attr)));
                 $url = str_replace(' ', '%20', $url);