348 lines
8.4 KiB
PHP
348 lines
8.4 KiB
PHP
<?php namespace Laravel;
|
|
|
|
class HTML {
|
|
|
|
/**
|
|
* Convert HTML characters to entities.
|
|
*
|
|
* The encoding specified in the application configuration file will be used.
|
|
*
|
|
* @param string $value
|
|
* @return string
|
|
*/
|
|
public static function entities($value)
|
|
{
|
|
return htmlentities($value, ENT_QUOTES, Config::get('application.encoding'), false);
|
|
}
|
|
|
|
/**
|
|
* Generate a link to a JavaScript file.
|
|
*
|
|
* <code>
|
|
* // Generate a link to a JavaScript file
|
|
* echo HTML::script('js/jquery.js');
|
|
*
|
|
* // Generate a link to a JavaScript file and add some attributes
|
|
* echo HTML::script('js/jquery.js', array('defer'));
|
|
* </code>
|
|
*
|
|
* @param string $url
|
|
* @param array $attributes
|
|
* @return string
|
|
*/
|
|
public static function script($url, $attributes = array())
|
|
{
|
|
$url = static::entities(URL::to_asset($url));
|
|
|
|
return '<script src="'.$url.'"'.static::attributes($attributes).'></script>'.PHP_EOL;
|
|
}
|
|
|
|
/**
|
|
* Generate a link to a CSS file.
|
|
*
|
|
* If no media type is selected, "all" will be used.
|
|
*
|
|
* <code>
|
|
* // Generate a link to a CSS file
|
|
* echo HTML::style('css/common.css');
|
|
*
|
|
* // Generate a link to a CSS file and add some attributes
|
|
* echo HTML::style('css/common.css', array('media' => 'print'));
|
|
* </code>
|
|
*
|
|
* @param string $url
|
|
* @param array $attributes
|
|
* @return string
|
|
*/
|
|
public static function style($url, $attributes = array())
|
|
{
|
|
$defaults = array('media' => 'all', 'type' => 'text/css', 'rel' => 'stylesheet');
|
|
|
|
$attributes = $attributes + $defaults;
|
|
|
|
$url = static::entities(URL::to_asset($url));
|
|
|
|
return '<link href="'.$url.'"'.static::attributes($attributes).'>'.PHP_EOL;
|
|
}
|
|
|
|
/**
|
|
* Generate a HTML span.
|
|
*
|
|
* @param string $value
|
|
* @param array $attributes
|
|
* @return string
|
|
*/
|
|
public static function span($value, $attributes = array())
|
|
{
|
|
return '<span'.static::attributes($attributes).'>'.static::entities($value).'</span>';
|
|
}
|
|
|
|
/**
|
|
* Generate a HTML link.
|
|
*
|
|
* <code>
|
|
* // Generate a link to a location within the application
|
|
* echo HTML::link('user/profile', 'User Profile');
|
|
*
|
|
* // Generate a link to a location outside of the application
|
|
* echo HTML::link('http://google.com', 'Google');
|
|
* </code>
|
|
*
|
|
* @param string $url
|
|
* @param string $title
|
|
* @param array $attributes
|
|
* @param bool $https
|
|
* @return string
|
|
*/
|
|
public static function link($url, $title, $attributes = array(), $https = false)
|
|
{
|
|
$url = static::entities(URL::to($url, $https));
|
|
|
|
return '<a href="'.$url.'"'.static::attributes($attributes).'>'.static::entities($title).'</a>';
|
|
}
|
|
|
|
/**
|
|
* Generate a HTTPS HTML link.
|
|
*
|
|
* @param string $url
|
|
* @param string $title
|
|
* @param array $attributes
|
|
* @return string
|
|
*/
|
|
public static function link_to_secure($url, $title, $attributes = array())
|
|
{
|
|
return static::link($url, $title, $attributes, true);
|
|
}
|
|
|
|
/**
|
|
* Generate an HTML link to an asset.
|
|
*
|
|
* The application index page will not be added to asset links.
|
|
*
|
|
* @param string $url
|
|
* @param string $title
|
|
* @param array $attributes
|
|
* @param bool $https
|
|
* @return string
|
|
*/
|
|
public static function link_to_asset($url, $title, $attributes = array(), $https = null)
|
|
{
|
|
$url = static::entities(URL::to_asset($url, $https));
|
|
|
|
return '<a href="'.$url.'"'.static::attributes($attributes).'>'.static::entities($title).'</a>';
|
|
}
|
|
|
|
/**
|
|
* Generate an HTTPS HTML link to an asset.
|
|
*
|
|
* @param string $url
|
|
* @param string $title
|
|
* @param array $attributes
|
|
* @return string
|
|
*/
|
|
public static function link_to_secure_asset($url, $title, $attributes = array())
|
|
{
|
|
return static::link_to_asset($url, $title, $attributes, true);
|
|
}
|
|
|
|
/**
|
|
* Generate an HTML link to a route.
|
|
*
|
|
* An array of parameters may be specified to fill in URI segment wildcards.
|
|
*
|
|
* <code>
|
|
* // Generate a link to the "profile" named route
|
|
* echo HTML::link_to_route('profile', 'Profile');
|
|
*
|
|
* // Generate a link to the "profile" route and add some parameters
|
|
* echo HTML::link_to_route('profile', 'Profile', array('taylor'));
|
|
* </code>
|
|
*
|
|
* @param string $name
|
|
* @param string $title
|
|
* @param array $parameters
|
|
* @param array $attributes
|
|
* @return string
|
|
*/
|
|
public static function link_to_route($name, $title, $parameters = array(), $attributes = array(), $https = false)
|
|
{
|
|
return static::link(URL::to_route($name, $parameters, $https), $title, $attributes);
|
|
}
|
|
|
|
/**
|
|
* Generate an HTTPS HTML link to a route.
|
|
*
|
|
* @param string $name
|
|
* @param string $title
|
|
* @param array $parameters
|
|
* @param array $attributes
|
|
* @return string
|
|
*/
|
|
public static function link_to_secure_route($name, $title, $parameters = array(), $attributes = array())
|
|
{
|
|
return static::link_to_route($name, $title, $parameters, $attributes, true);
|
|
}
|
|
|
|
/**
|
|
* Generate an HTML mailto link.
|
|
*
|
|
* The E-Mail address will be obfuscated to protect it from spam bots.
|
|
*
|
|
* @param string $email
|
|
* @param string $title
|
|
* @param array $attributes
|
|
* @return string
|
|
*/
|
|
public static function mailto($email, $title = null, $attributes = array())
|
|
{
|
|
$email = static::email($email);
|
|
|
|
if (is_null($title)) $title = $email;
|
|
|
|
$email = 'mailto:'.$email;
|
|
|
|
return '<a href="'.$email.'"'.static::attributes($attributes).'>'.static::entities($title).'</a>';
|
|
}
|
|
|
|
/**
|
|
* Obfuscate an e-mail address to prevent spam-bots from sniffing it.
|
|
*
|
|
* @param string $email
|
|
* @return string
|
|
*/
|
|
public static function email($email)
|
|
{
|
|
return str_replace('@', '@', static::obfuscate($email));
|
|
}
|
|
|
|
/**
|
|
* Generate an HTML image element.
|
|
*
|
|
* @param string $url
|
|
* @param string $alt
|
|
* @param array $attributes
|
|
* @return string
|
|
*/
|
|
public static function image($url, $alt = '', $attributes = array())
|
|
{
|
|
$attributes['alt'] = $alt;
|
|
|
|
return '<img src="'.static::entities(URL::to_asset($url)).'"'.static::attributes($attributes).'>';
|
|
}
|
|
|
|
/**
|
|
* Generate an ordered list of items.
|
|
*
|
|
* @param array $list
|
|
* @param array $attributes
|
|
* @return string
|
|
*/
|
|
public static function ol($list, $attributes = array())
|
|
{
|
|
return static::listing('ol', $list, $attributes);
|
|
}
|
|
|
|
/**
|
|
* Generate an un-ordered list of items.
|
|
*
|
|
* @param array $list
|
|
* @param array $attributes
|
|
* @return string
|
|
*/
|
|
public static function ul($list, $attributes = array())
|
|
{
|
|
return static::listing('ul', $list, $attributes);
|
|
}
|
|
|
|
/**
|
|
* Generate an ordered or un-ordered list.
|
|
*
|
|
* @param string $type
|
|
* @param array $list
|
|
* @param array $attributes
|
|
* @return string
|
|
*/
|
|
private static function listing($type, $list, $attributes = array())
|
|
{
|
|
$html = '';
|
|
|
|
foreach ($list as $key => $value)
|
|
{
|
|
// If the value is an array, we will recurse the function so that we can
|
|
// produce a nested list within the list being built. Of course, nested
|
|
// lists may exist within nested lists, etc.
|
|
if (is_array($value))
|
|
{
|
|
$html .= static::listing($type, $value);
|
|
}
|
|
else
|
|
{
|
|
$html .= '<li>'.static::entities($value).'</li>';
|
|
}
|
|
}
|
|
|
|
return '<'.$type.static::attributes($attributes).'>'.$html.'</'.$type.'>';
|
|
}
|
|
|
|
/**
|
|
* Build a list of HTML attributes from an array.
|
|
*
|
|
* @param array $attributes
|
|
* @return string
|
|
*/
|
|
public static function attributes($attributes)
|
|
{
|
|
$html = array();
|
|
|
|
foreach ((array) $attributes as $key => $value)
|
|
{
|
|
// For numeric keys, we will assume that the key and the value are the
|
|
// same, as this will conver HTML attributes such as "required" that
|
|
// may be specified as required="required".
|
|
if (is_numeric($key)) $key = $value;
|
|
|
|
if ( ! is_null($value))
|
|
{
|
|
$html[] = $key.'="'.static::entities($value).'"';
|
|
}
|
|
}
|
|
|
|
return (count($html) > 0) ? ' '.implode(' ', $html) : '';
|
|
}
|
|
|
|
/**
|
|
* Obfuscate a string to prevent spam-bots from sniffing it.
|
|
*
|
|
* @param string $value
|
|
* @return string
|
|
*/
|
|
protected static function obfuscate($value)
|
|
{
|
|
$safe = '';
|
|
|
|
foreach (str_split($value) as $letter)
|
|
{
|
|
// To properly obfuscate the value, we will randomly convert each
|
|
// letter to its entity or hexadecimal representation, keeping a
|
|
// bot from sniffing the randomly obfuscated letters from the
|
|
// page and guarding against e-mail harvesting.
|
|
switch (rand(1, 3))
|
|
{
|
|
case 1:
|
|
$safe .= '&#'.ord($letter).';';
|
|
break;
|
|
|
|
case 2:
|
|
$safe .= '&#x'.dechex(ord($letter)).';';
|
|
break;
|
|
|
|
case 3:
|
|
$safe .= $letter;
|
|
}
|
|
}
|
|
|
|
return $safe;
|
|
}
|
|
|
|
}
|