--- /dev/null
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * CodeIgniter
+ *
+ * An open source application development framework for PHP 5.1.6 or newer
+ *
+ * @package CodeIgniter
+ * @author ExpressionEngine Dev Team
+ * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
+ * @license http://codeigniter.com/user_guide/license.html
+ * @link http://codeigniter.com
+ * @since Version 1.0
+ * @filesource
+ */
+
+// ------------------------------------------------------------------------
+
+/**
+ * CodeIgniter URL Helpers
+ *
+ * @package CodeIgniter
+ * @subpackage Helpers
+ * @category Helpers
+ * @author ExpressionEngine Dev Team
+ * @link http://codeigniter.com/user_guide/helpers/url_helper.html
+ */
+
+// ------------------------------------------------------------------------
+
+/**
+ * Site URL
+ *
+ * Create a local URL based on your basepath. Segments can be passed via the
+ * first parameter either as a string or an array.
+ *
+ * @access public
+ * @param string
+ * @return string
+ */
+if ( ! function_exists('site_url'))
+{
+ function site_url($uri = '')
+ {
+ $CI =& get_instance();
+ return $CI->config->site_url($uri);
+ }
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Base URL
+ *
+ * Returns the "base_url" item from your config file
+ *
+ * @access public
+ * @return string
+ */
+if ( ! function_exists('base_url'))
+{
+ function base_url()
+ {
+ $CI =& get_instance();
+ return $CI->config->slash_item('base_url');
+ }
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Current URL
+ *
+ * Returns the full URL (including segments) of the page where this
+ * function is placed
+ *
+ * @access public
+ * @return string
+ */
+if ( ! function_exists('current_url'))
+{
+ function current_url()
+ {
+ $CI =& get_instance();
+ return $CI->config->site_url($CI->uri->uri_string());
+ }
+}
+
+// ------------------------------------------------------------------------
+/**
+ * URL String
+ *
+ * Returns the URI segments.
+ *
+ * @access public
+ * @return string
+ */
+if ( ! function_exists('uri_string'))
+{
+ function uri_string()
+ {
+ $CI =& get_instance();
+ return $CI->uri->uri_string();
+ }
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Index page
+ *
+ * Returns the "index_page" from your config file
+ *
+ * @access public
+ * @return string
+ */
+if ( ! function_exists('index_page'))
+{
+ function index_page()
+ {
+ $CI =& get_instance();
+ return $CI->config->item('index_page');
+ }
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Anchor Link
+ *
+ * Creates an anchor based on the local URL.
+ *
+ * @access public
+ * @param string the URL
+ * @param string the link title
+ * @param mixed any attributes
+ * @return string
+ */
+if ( ! function_exists('anchor'))
+{
+ function anchor($uri = '', $title = '', $attributes = '')
+ {
+ $title = (string) $title;
+
+ if ( ! is_array($uri))
+ {
+ $site_url = ( ! preg_match('!^\w+://! i', $uri)) ? site_url($uri) : $uri;
+ }
+ else
+ {
+ $site_url = site_url($uri);
+ }
+
+ if ($title == '')
+ {
+ $title = $site_url;
+ }
+
+ if ($attributes != '')
+ {
+ $attributes = _parse_attributes($attributes);
+ }
+
+ return '<a href="'.$site_url.'"'.$attributes.'>'.$title.'</a>';
+ }
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Anchor Link - Pop-up version
+ *
+ * Creates an anchor based on the local URL. The link
+ * opens a new window based on the attributes specified.
+ *
+ * @access public
+ * @param string the URL
+ * @param string the link title
+ * @param mixed any attributes
+ * @return string
+ */
+if ( ! function_exists('anchor_popup'))
+{
+ function anchor_popup($uri = '', $title = '', $attributes = FALSE)
+ {
+ $title = (string) $title;
+
+ $site_url = ( ! preg_match('!^\w+://! i', $uri)) ? site_url($uri) : $uri;
+
+ if ($title == '')
+ {
+ $title = $site_url;
+ }
+
+ if ($attributes === FALSE)
+ {
+ return "<a href='javascript:void(0);' onclick=\"window.open('".$site_url."', '_blank');\">".$title."</a>";
+ }
+
+ if ( ! is_array($attributes))
+ {
+ $attributes = array();
+ }
+
+ foreach (array('width' => '800', 'height' => '600', 'scrollbars' => 'yes', 'status' => 'yes', 'resizable' => 'yes', 'screenx' => '0', 'screeny' => '0', ) as $key => $val)
+ {
+ $atts[$key] = ( ! isset($attributes[$key])) ? $val : $attributes[$key];
+ unset($attributes[$key]);
+ }
+
+ if ($attributes != '')
+ {
+ $attributes = _parse_attributes($attributes);
+ }
+
+ return "<a href='javascript:void(0);' onclick=\"window.open('".$site_url."', '_blank', '"._parse_attributes($atts, TRUE)."');\"$attributes>".$title."</a>";
+ }
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Mailto Link
+ *
+ * @access public
+ * @param string the email address
+ * @param string the link title
+ * @param mixed any attributes
+ * @return string
+ */
+if ( ! function_exists('mailto'))
+{
+ function mailto($email, $title = '', $attributes = '')
+ {
+ $title = (string) $title;
+
+ if ($title == "")
+ {
+ $title = $email;
+ }
+
+ $attributes = _parse_attributes($attributes);
+
+ return '<a href="mailto:'.$email.'"'.$attributes.'>'.$title.'</a>';
+ }
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Encoded Mailto Link
+ *
+ * Create a spam-protected mailto link written in Javascript
+ *
+ * @access public
+ * @param string the email address
+ * @param string the link title
+ * @param mixed any attributes
+ * @return string
+ */
+if ( ! function_exists('safe_mailto'))
+{
+ function safe_mailto($email, $title = '', $attributes = '')
+ {
+ $title = (string) $title;
+
+ if ($title == "")
+ {
+ $title = $email;
+ }
+
+ for ($i = 0; $i < 16; $i++)
+ {
+ $x[] = substr('<a href="mailto:', $i, 1);
+ }
+
+ for ($i = 0; $i < strlen($email); $i++)
+ {
+ $x[] = "|".ord(substr($email, $i, 1));
+ }
+
+ $x[] = '"';
+
+ if ($attributes != '')
+ {
+ if (is_array($attributes))
+ {
+ foreach ($attributes as $key => $val)
+ {
+ $x[] = ' '.$key.'="';
+ for ($i = 0; $i < strlen($val); $i++)
+ {
+ $x[] = "|".ord(substr($val, $i, 1));
+ }
+ $x[] = '"';
+ }
+ }
+ else
+ {
+ for ($i = 0; $i < strlen($attributes); $i++)
+ {
+ $x[] = substr($attributes, $i, 1);
+ }
+ }
+ }
+
+ $x[] = '>';
+
+ $temp = array();
+ for ($i = 0; $i < strlen($title); $i++)
+ {
+ $ordinal = ord($title[$i]);
+
+ if ($ordinal < 128)
+ {
+ $x[] = "|".$ordinal;
+ }
+ else
+ {
+ if (count($temp) == 0)
+ {
+ $count = ($ordinal < 224) ? 2 : 3;
+ }
+
+ $temp[] = $ordinal;
+ if (count($temp) == $count)
+ {
+ $number = ($count == 3) ? (($temp['0'] % 16) * 4096) + (($temp['1'] % 64) * 64) + ($temp['2'] % 64) : (($temp['0'] % 32) * 64) + ($temp['1'] % 64);
+ $x[] = "|".$number;
+ $count = 1;
+ $temp = array();
+ }
+ }
+ }
+
+ $x[] = '<'; $x[] = '/'; $x[] = 'a'; $x[] = '>';
+
+ $x = array_reverse($x);
+ ob_start();
+
+ ?><script type="text/javascript">
+ //<![CDATA[
+ var l=new Array();
+ <?php
+ $i = 0;
+ foreach ($x as $val){ ?>l[<?php echo $i++; ?>]='<?php echo $val; ?>';<?php } ?>
+
+ for (var i = l.length-1; i >= 0; i=i-1){
+ if (l[i].substring(0, 1) == '|') document.write("&#"+unescape(l[i].substring(1))+";");
+ else document.write(unescape(l[i]));}
+ //]]>
+ </script><?php
+
+ $buffer = ob_get_contents();
+ ob_end_clean();
+ return $buffer;
+ }
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Auto-linker
+ *
+ * Automatically links URL and Email addresses.
+ * Note: There's a bit of extra code here to deal with
+ * URLs or emails that end in a period. We'll strip these
+ * off and add them after the link.
+ *
+ * @access public
+ * @param string the string
+ * @param string the type: email, url, or both
+ * @param bool whether to create pop-up links
+ * @return string
+ */
+if ( ! function_exists('auto_link'))
+{
+ function auto_link($str, $type = 'both', $popup = FALSE)
+ {
+ if ($type != 'email')
+ {
+ if (preg_match_all("#(^|\s|\()((http(s?)://)|(www\.))(\w+[^\s\)\<]+)#i", $str, $matches))
+ {
+ $pop = ($popup == TRUE) ? " target=\"_blank\" " : "";
+
+ for ($i = 0; $i < count($matches['0']); $i++)
+ {
+ $period = '';
+ if (preg_match("|\.$|", $matches['6'][$i]))
+ {
+ $period = '.';
+ $matches['6'][$i] = substr($matches['6'][$i], 0, -1);
+ }
+
+ $str = str_replace($matches['0'][$i],
+ $matches['1'][$i].'<a href="http'.
+ $matches['4'][$i].'://'.
+ $matches['5'][$i].
+ $matches['6'][$i].'"'.$pop.'>http'.
+ $matches['4'][$i].'://'.
+ $matches['5'][$i].
+ $matches['6'][$i].'</a>'.
+ $period, $str);
+ }
+ }
+ }
+
+ if ($type != 'url')
+ {
+ if (preg_match_all("/([a-zA-Z0-9_\.\-\+]+)@([a-zA-Z0-9\-]+)\.([a-zA-Z0-9\-\.]*)/i", $str, $matches))
+ {
+ for ($i = 0; $i < count($matches['0']); $i++)
+ {
+ $period = '';
+ if (preg_match("|\.$|", $matches['3'][$i]))
+ {
+ $period = '.';
+ $matches['3'][$i] = substr($matches['3'][$i], 0, -1);
+ }
+
+ $str = str_replace($matches['0'][$i], safe_mailto($matches['1'][$i].'@'.$matches['2'][$i].'.'.$matches['3'][$i]).$period, $str);
+ }
+ }
+ }
+
+ return $str;
+ }
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Prep URL
+ *
+ * Simply adds the http:// part if no scheme is included
+ *
+ * @access public
+ * @param string the URL
+ * @return string
+ */
+if ( ! function_exists('prep_url'))
+{
+ function prep_url($str = '')
+ {
+ if ($str == 'http://' OR $str == '')
+ {
+ return '';
+ }
+
+ $url = parse_url($str);
+
+ if ( ! $url OR ! isset($url['scheme']))
+ {
+ $str = 'http://'.$str;
+ }
+
+ return $str;
+ }
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Create URL Title
+ *
+ * Takes a "title" string as input and creates a
+ * human-friendly URL string with either a dash
+ * or an underscore as the word separator.
+ *
+ * @access public
+ * @param string the string
+ * @param string the separator: dash, or underscore
+ * @return string
+ */
+if ( ! function_exists('url_title'))
+{
+ function url_title($str, $separator = 'dash', $lowercase = FALSE)
+ {
+ if ($separator == 'dash')
+ {
+ $search = '_';
+ $replace = '-';
+ }
+ else
+ {
+ $search = '-';
+ $replace = '_';
+ }
+
+ $trans = array(
+ '&\#\d+?;' => '',
+ '&\S+?;' => '',
+ '\s+' => $replace,
+ '[^a-z0-9\-\._]' => '',
+ $replace.'+' => $replace,
+ $replace.'$' => $replace,
+ '^'.$replace => $replace,
+ '\.+$' => ''
+ );
+
+ $str = strip_tags($str);
+
+ foreach ($trans as $key => $val)
+ {
+ $str = preg_replace("#".$key."#i", $val, $str);
+ }
+
+ if ($lowercase === TRUE)
+ {
+ $str = strtolower($str);
+ }
+
+ return trim(stripslashes($str));
+ }
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Header Redirect
+ *
+ * Header redirect in two flavors
+ * For very fine grained control over headers, you could use the Output
+ * Library's set_header() function.
+ *
+ * @access public
+ * @param string the URL
+ * @param string the method: location or redirect
+ * @return string
+ */
+if ( ! function_exists('redirect'))
+{
+ function redirect($uri = '', $method = 'location', $http_response_code = 302)
+ {
+ if ( ! preg_match('#^https?://#i', $uri))
+ {
+ $uri = site_url($uri);
+ }
+
+ switch($method)
+ {
+ case 'refresh' : header("Refresh:0;url=".$uri);
+ break;
+ default : header("Location: ".$uri, TRUE, $http_response_code);
+ break;
+ }
+ exit;
+ }
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Parse out the attributes
+ *
+ * Some of the functions use this
+ *
+ * @access private
+ * @param array
+ * @param bool
+ * @return string
+ */
+if ( ! function_exists('_parse_attributes'))
+{
+ function _parse_attributes($attributes, $javascript = FALSE)
+ {
+ if (is_string($attributes))
+ {
+ return ($attributes != '') ? ' '.$attributes : '';
+ }
+
+ $att = '';
+ foreach ($attributes as $key => $val)
+ {
+ if ($javascript == TRUE)
+ {
+ $att .= $key . '=' . $val . ',';
+ }
+ else
+ {
+ $att .= ' ' . $key . '="' . $val . '"';
+ }
+ }
+
+ if ($javascript == TRUE AND $att != '')
+ {
+ $att = substr($att, 0, -1);
+ }
+
+ return $att;
+ }
+}
+
+
+/* End of file url_helper.php */
+/* Location: ./system/helpers/url_helper.php */
\ No newline at end of file
projects / living-lab-site.git / blobdiff