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<?php

// OUT OF DATE, NEEDS UPDATING!

// USE XMLWRITER!

class HTMLPurifier_Printer

{

/**

* For HTML generation convenience funcs.

* @type HTMLPurifier_Generator

protected $generator;

/**

* For easy access.

* @type HTMLPurifier_Config

protected $config;

/**

* Initialize $generator.

public function __construct()

{

}

/**

* Give generator necessary configuration if possible

* @param HTMLPurifier_Config $config

public function prepareGenerator($config)

{

$all = $config->getAll();

$context = new HTMLPurifier_Context();

$this->generator = new HTMLPurifier_Generator($config, $context);

}

/**

* Main function that renders object or aspect of that object

* @note Parameters vary depending on printer

// function render() {}

/**

* Returns a start tag

* @param string $tag Tag name

* @param array $attr Attribute array

* @return string

protected function start($tag, $attr = array())

{

return $this->generator->generateFromToken(

new HTMLPurifier_Token_Start($tag, $attr ? $attr : array())

);

}

/**

* Returns an end tag

* @param string $tag Tag name

* @return string

protected function end($tag)

{

return $this->generator->generateFromToken(

new HTMLPurifier_Token_End($tag)

);

}

/**

* Prints a complete element with content inside

* @param string $tag Tag name

* @param string $contents Element contents

* @param array $attr Tag attributes

* @param bool $escape whether or not to escape contents

* @return string

protected function element($tag, $contents, $attr = array(), $escape = true)

{

return $this->start($tag, $attr) .

($escape ? $this->escape($contents) : $contents) .

$this->end($tag);

}

/**

* @param string $tag

* @param array $attr

* @return string

protected function elementEmpty($tag, $attr = array())

{

return $this->generator->generateFromToken(

new HTMLPurifier_Token_Empty($tag, $attr)

);

}

/**

* @param string $text

* @return string

protected function text($text)

{

return $this->generator->generateFromToken(

new HTMLPurifier_Token_Text($text)

);

}

/**

* Prints a simple key/value row in a table.

* @param string $name Key

* @param mixed $value Value

* @return string

protected function row($name, $value)

{

if (is_bool($value)) {

$value = $value ? 'On' : 'Off';

}

return

$this->start('tr') . "\n" .

$this->element('th', $name) . "\n" .

$this->element('td', $value) . "\n" .

$this->end('tr');

}

/**

* Escapes a string for HTML output.

* @param string $string String to escape

* @return string

protected function escape($string)

{

$string = HTMLPurifier_Encoder::cleanUTF8($string);

$string = htmlspecialchars($string, ENT_COMPAT, 'UTF-8');

return $string;

}

/**

* Takes a list of strings and turns them into a single list

* @param string[] $array List of strings

* @param bool $polite Bool whether or not to add an end before the last

* @return string

protected function listify($array, $polite = false)

{

if (empty($array)) {

return 'None';

}

$ret = '';

$i = count($array);

foreach ($array as $value) {

$i--;

$ret .= $value;

if ($i > 0 && !($polite && $i == 1)) {

$ret .= ', ';

}

if ($polite && $i == 1) {

$ret .= 'and ';

}

return $ret;

}

/**

* Retrieves the class of an object without prefixes, as well as metadata

* @param object $obj Object to determine class of

* @param string $sec_prefix Further prefix to remove

* @return string

protected function getClass($obj, $sec_prefix = '')

{

static $five = null;

if ($five === null) {

$five = version_compare(PHP_VERSION, '5', '>=');

}

$prefix = 'HTMLPurifier_' . $sec_prefix;

if (!$five) {

$prefix = strtolower($prefix);

}

$class = str_replace($prefix, '', get_class($obj));

$lclass = strtolower($class);

$class .= '(';

switch ($lclass) {

case 'enum':

$values = array();

foreach ($obj->valid_values as $value => $bool) {

$values[] = $value;

}

$class .= implode(', ', $values);

break;

case 'css_composite':

$values = array();

foreach ($obj->defs as $def) {

$values[] = $this->getClass($def, $sec_prefix);

}

$class .= implode(', ', $values);

break;

case 'css_multiple':

$class .= $this->getClass($obj->single, $sec_prefix) . ', ';

$class .= $obj->max;

break;

case 'css_denyelementdecorator':

$class .= $this->getClass($obj->def, $sec_prefix) . ', ';

$class .= $obj->element;

break;

case 'css_importantdecorator':

$class .= $this->getClass($obj->def, $sec_prefix);

if ($obj->allow) {

$class .= ', !important';

}

break;

}

$class .= ')';

return $class;

}

// vim: et sw=4 sts=4

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