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<?php
# ***** BEGIN LICENSE BLOCK *****
# This file is part of DotClear.
# Copyright (c) 2005 Olivier Meunier and contributors. All rights
# reserved.
#
# DotClear is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# DotClear is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with DotClear; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# ***** END LICENSE BLOCK *****
class context
{
public $stack = array();
public function __set($name,$var)
{
if ($var === null) {
$this->pop($name);
} else {
$this->stack[$name][] =& $var;
}
}
public function __get($name)
{
if (!isset($this->stack[$name])) {
return null;
}
$n = count($this->stack[$name]);
if ($n > 0) {
return $this->stack[$name][($n-1)];
}
return null;
}
public function exists($name)
{
return isset($this->stack[$name][0]);
}
public function pop($name)
{
if (isset($this->stack[$name])) {
array_pop($this->stack[$name]);
}
}
# Static methods
public static function global_filter($str,
$encode_xml, $remove_html, $cut_string, $lower_case, $upper_case)
{
if ($remove_html) {
$str = self::remove_html($str);
}
if ($encode_xml) {
$str = self::encode_xml($str);
}
if ($cut_string) {
$str = self::cut_string($str,(integer) $cut_string);
}
if ($lower_case) {
$str = self::lower_case($str);
} elseif ($upper_case) {
$str = self::upper_case($str);
}
return $str;
}
public static function cut_string($str,$l)
{
return text::cutString($str,$l);
}
public static function encode_xml($str)
{
return html::escapeHTML($str);
}
public static function remove_html($str)
{
return html::clean($str);
}
public static function lower_case($str)
{
return mb_strtolower($str);
}
public static function upper_case($str)
{
return mb_strtoupper($str);
}
public static function categoryPostParam(&$p)
{
if (substr($p['cat_url'],0,1) == '!') {
$p['cat_url'] = substr($p['cat_url'],1);
$p['cat_url_not'] = true;
}
$p['cat_url'] = $p['cat_url'] = explode(',',$p['cat_url']);
}
# Static methods for pagination
public static function PaginationNbPages()
{
global $_ctx;
$nb_posts = $_ctx->pagination->f(0);
$nb_per_page = $_ctx->post_params['limit'][1];
$nb_pages = ceil($nb_posts/$nb_per_page);
return $nb_pages;
}
public static function PaginationPosition($offset=0)
{
if (isset($GLOBALS['_page_number'])) {
$p = $GLOBALS['_page_number'];
} else {
$p = 1;
}
$p = $p+$offset;
$n = self::PaginationNbPages();
if ($p > $n || $p <= 0) {
return 1;
} else {
return $p;
}
}
public static function PaginationStart()
{
if (isset($GLOBALS['_page_number'])) {
return self::PaginationPosition() == 1;
}
return true;
}
public static function PaginationEnd()
{
if (isset($GLOBALS['_page_number'])) {
return self::PaginationPosition() == self::PaginationNbPages();
}
return false;
}
public static function PaginationURL($offset=0)
{
$args = $_SERVER['URL_REQUEST_PART'];
$n = self::PaginationPosition($offset);
$args = preg_replace('#(^|/)page/([0-9]+)$#','',$args);
$url = $GLOBALS['core']->blog->url.$args;
if ($n > 1) {
$url = preg_replace('#/$#','',$url);
$url .= '/page/'.$n;
}
# If search param
if (!empty($_GET['q'])) {
$s = strpos($url,'?') !== false ? '&' : '?';
$url .= $s.'q='.rawurlencode($_GET['q']);
}
return $url;
}
# Smilies static methods
public static function getSmilies(&$blog)
{
$path = array();
if (isset($GLOBALS['__theme'])) {
$path[] = $GLOBALS['__theme'];
}
$path[] = 'default';
$definition = $blog->themes_path.'/%s/smilies/smilies.txt';
$base_url = $blog->settings->themes_url.'/%s/smilies/';
$res = array();
foreach ($path as $t)
{
if (file_exists(sprintf($definition,$t))) {
$base_url = sprintf($base_url,$t);
return self::smiliesDefinition(sprintf($definition,$t),$base_url);
}
}
return false;
}
public static function smiliesDefinition($f,$url)
{
$def = file($f);
$res = array();
foreach($def as $v)
{
$v = trim($v);
if (preg_match('|^([^\t]*)[\t]+(.*)$|',$v,$matches))
{
$r = '/(\A|[\s]+|>)('.preg_quote($matches[1],'/').')([\s]+|[<]|\Z)/ms';
$s = '$1<img src="'.$url.$matches[2].'" '.
'alt="$2" class="smiley" />$3';
$res[$r] = $s;
}
}
return $res;
}
public static function addSmilies($str)
{
if (!isset($GLOBALS['__smilies']) || !is_array($GLOBALS['__smilies'])) {
return $str;
}
return preg_replace(array_keys($GLOBALS['__smilies']),array_values($GLOBALS['__smilies']),$str);
}
}
?>