Added some documentation

[friendica.git] / include / plaintext.php

diff --git a/include/plaintext.php b/include/plaintext.php
index cb56850d4f3cec833eacab9953527df603c3ac74..05431bee2d27d2b6ca601d9f0a93d02e873c9590 100644 (file)
--- a/include/plaintext.php
+++ b/include/plaintext.php
@@ -90,6 +90,14 @@ function get_attached_data($body) {
                                $post["text"] = $body;
                        }
                }
+
+               if (preg_match_all("(\[url\]([$URLSearchString]*)\[\/url\])ism", $body, $links,  PREG_SET_ORDER)) {
+                       if (count($links) == 1) {
+                               $post["type"] = "text";
+                               $post["url"] = $links[0][1];
+                               $post["text"] = $body;
+                       }
+               }
                if (!isset($post["type"])) {
                        $post["type"] = "text";
                        $post["text"] = trim($body);
@@ -129,9 +137,17 @@ function plaintext($a, $b, $limit = 0, $includedlinks = false, $htmlmode = 2) {
        require_once("include/html2plain.php");
        require_once("include/network.php");
 
+       // Remove the hash tags
+       $URLSearchString = "^\[\]";
+       $body = preg_replace("/([#@])\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", '$1$3', $b["body"]);
+
+       // Add an URL element if the text contains a raw link
+       $body = preg_replace("/([^\]\='".'"'."]|^)(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,]+)/ism", '$1[url]$2[/url]', $body);
+
        // At first look at data that is attached via "type-..." stuff
        // This will hopefully replaced with a dedicated bbcode later
-       $post = get_attached_data($b["body"]);
+       //$post = get_attached_data($b["body"]);
+       $post = get_attached_data($body);
 
        if (($b["title"] != "") AND ($post["text"] != ""))
                $post["text"] = trim($b["title"]."\n\n".$post["text"]);
@@ -146,6 +162,8 @@ function plaintext($a, $b, $limit = 0, $includedlinks = false, $htmlmode = 2) {
        if ($includedlinks) {
                if ($post["type"] == "link")
                        $link = $post["url"];
+               elseif ($post["type"] == "text")
+                       $link = $post["url"];
                elseif ($post["type"] == "video")
                        $link = $post["url"];
                elseif ($post["type"] == "photo")
@@ -161,8 +179,22 @@ function plaintext($a, $b, $limit = 0, $includedlinks = false, $htmlmode = 2) {
                // But: if the link is beyond the limit, then it has to be added.
                if (($link != "") AND strstr($msg, $link)) {
                        $pos = strpos($msg, $link);
-                       if (($limit == 0) OR ($pos < $limit))
+
+                       // Will the text be shortened in the link?
+                       // Or is the link the last item in the post?
+                       if (($limit > 0) AND ($pos < $limit) AND (($pos + 23 > $limit) OR ($pos + strlen($link) == strlen($msg))))
+                               $msg = trim(str_replace($link, "", $msg));
+                       elseif (($limit == 0) OR ($pos < $limit)) {
+                               // The limit has to be increased since it will be shortened - but not now
+                               // Only do it with Twitter (htmlmode = 8)
+                               if (($limit > 0) AND (strlen($link) > 23) AND ($htmlmode == 8))
+                                       $limit = $limit - 23 + strlen($link);
+
                                $link = "";
+
+                               if ($post["type"] == "text")
+                                       unset($post["url"]);
+                       }
                }
        }
 
@@ -178,7 +210,9 @@ function plaintext($a, $b, $limit = 0, $includedlinks = false, $htmlmode = 2) {
 
                if (iconv_strlen($msg, "UTF-8") > $limit) {
 
-                       if (!isset($post["url"])) {
+                       if (($post["type"] == "text") AND isset($post["url"]))
+                               $post["url"] = $b["plink"];
+                       elseif (!isset($post["url"])) {
                                $limit = $limit - 23;
                                $post["url"] = $b["plink"];
                        } elseif (strpos($b["body"], "[share") !== false)