php3-bbcode/class.bbcode.php

70 lines
2.6 KiB
PHP

<?php
class bbcode {
var $tags;
var $smileys;
function bbcode()
{
$this->tags = array();
$this->smileys = array();
$this->register_bbcode("b", FALSE, FALSE, FALSE, "<span class=\"b\">\\1</span>", NULL);
$this->register_bbcode("i", FALSE, FALSE, FALSE, "<span class=\"i\">\\1</span>", NULL);
$this->register_bbcode("u", FALSE, FALSE, FALSE, "<span class=\"u\">\\1</span>", NULL);
$this->register_bbcode("link", FALSE, TRUE, FALSE, "<a href=\"\\1\">\\1</a>", "<a href=\"\\1\">\\2</a>");
$this->register_bbcode("url", FALSE, TRUE, FALSE, "<a href=\"\\1\">\\1</a>", "<a href=\"\\1\">\\2</a>");
$this->register_bbcode("img", FALSE, TRUE, FALSE, "<img src=\"\\1\" alt=\"\" />", "<img src=\"\\1\" alt=\"\\2\" />");
}
function register_bbcode($tagname, $noclose, $can_have_param, $must_have_param, $replacement, $param_replacement)
{
$this->tags[$tagname] = array(
"tagname" => $tagname,
"noclose" => $noclose,
"can_have_param" => $can_have_param,
"must_have_param" => $must_have_param,
"replacement" => $replacement,
"param_replacement" => $param_replacement
);
}
function register_smiley($smiley, $pic)
{
$this->smileys[$smiley] = $pic;
}
function decode($text, $parse_bbcode = TRUE, $parse_smileys = TRUE)
{
$text = strip_tags($text);
if ($parse_bbcode) {
$continue = TRUE;
while ($continue) {
foreach ($this->tags as $tagname => $definition) {
$continue = FALSE;
$num = 0;
$pattern_parm = "\\[{$definition["tagname"]}=([^]]+)\\]([^[]+)\\[\\/{$definition["tagname"]}\\]";
$pattern_noparm = "\\[{$definition["tagname"]}\\]([^[]+)\\[\\/{$definition["tagname"]}\\]";
$text = preg_replace("/{$pattern_noparm}/i", $definition["replacement"], $text, -1, $num);
$text = preg_replace("/{$pattern_parm}/i", $definition["param_replacement"], $text, -1, $num);
if ($num > 0) {
$continue = TRUE;
}
}
}
$text = str_replace(array("\r", "\n", "\r\n"), "<br />\n", $text);
}
if ($parse_smileys) {
foreach ($this->smileys as $smiley => $pic) {
$text = str_replace($smiley, "<img src=\"{$pic}\" alt=\"{$smiley}\">", $text);
}
}
return $text;
}
}