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218 lines
6 KiB
PHP
218 lines
6 KiB
PHP
<?php
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// OUT OF DATE, NEEDS UPDATING!
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// USE XMLWRITER!
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class HTMLPurifier_Printer
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{
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/**
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* For HTML generation convenience funcs.
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* @type HTMLPurifier_Generator
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*/
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protected $generator;
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/**
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* For easy access.
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* @type HTMLPurifier_Config
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*/
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protected $config;
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/**
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* Initialize $generator.
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*/
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public function __construct()
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{
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}
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/**
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* Give generator necessary configuration if possible
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* @param HTMLPurifier_Config $config
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*/
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public function prepareGenerator($config)
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{
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$all = $config->getAll();
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$context = new HTMLPurifier_Context();
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$this->generator = new HTMLPurifier_Generator($config, $context);
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}
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/**
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* Main function that renders object or aspect of that object
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* @note Parameters vary depending on printer
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*/
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// function render() {}
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/**
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* Returns a start tag
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* @param string $tag Tag name
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* @param array $attr Attribute array
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* @return string
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*/
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protected function start($tag, $attr = array())
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{
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return $this->generator->generateFromToken(
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new HTMLPurifier_Token_Start($tag, $attr ? $attr : array())
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);
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}
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/**
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* Returns an end tag
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* @param string $tag Tag name
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* @return string
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*/
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protected function end($tag)
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{
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return $this->generator->generateFromToken(
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new HTMLPurifier_Token_End($tag)
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);
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}
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/**
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* Prints a complete element with content inside
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* @param string $tag Tag name
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* @param string $contents Element contents
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* @param array $attr Tag attributes
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* @param bool $escape whether or not to escape contents
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* @return string
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*/
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protected function element($tag, $contents, $attr = array(), $escape = true)
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{
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return $this->start($tag, $attr) .
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($escape ? $this->escape($contents) : $contents) .
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$this->end($tag);
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}
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/**
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* @param string $tag
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* @param array $attr
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* @return string
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*/
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protected function elementEmpty($tag, $attr = array())
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{
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return $this->generator->generateFromToken(
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new HTMLPurifier_Token_Empty($tag, $attr)
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);
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}
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/**
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* @param string $text
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* @return string
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*/
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protected function text($text)
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{
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return $this->generator->generateFromToken(
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new HTMLPurifier_Token_Text($text)
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);
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}
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/**
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* Prints a simple key/value row in a table.
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* @param string $name Key
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* @param mixed $value Value
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* @return string
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*/
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protected function row($name, $value)
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{
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if (is_bool($value)) {
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$value = $value ? 'On' : 'Off';
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}
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return
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$this->start('tr') . "\n" .
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$this->element('th', $name) . "\n" .
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$this->element('td', $value) . "\n" .
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$this->end('tr');
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}
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/**
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* Escapes a string for HTML output.
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* @param string $string String to escape
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* @return string
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*/
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protected function escape($string)
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{
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$string = HTMLPurifier_Encoder::cleanUTF8($string);
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$string = htmlspecialchars($string, ENT_COMPAT, 'UTF-8');
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return $string;
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}
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/**
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* Takes a list of strings and turns them into a single list
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* @param string[] $array List of strings
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* @param bool $polite Bool whether or not to add an end before the last
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* @return string
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*/
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protected function listify($array, $polite = false)
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{
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if (empty($array)) {
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return 'None';
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}
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$ret = '';
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$i = count($array);
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foreach ($array as $value) {
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$i--;
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$ret .= $value;
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if ($i > 0 && !($polite && $i == 1)) {
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$ret .= ', ';
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}
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if ($polite && $i == 1) {
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$ret .= 'and ';
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}
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}
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return $ret;
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}
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/**
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* Retrieves the class of an object without prefixes, as well as metadata
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* @param object $obj Object to determine class of
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* @param string $sec_prefix Further prefix to remove
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* @return string
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*/
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protected function getClass($obj, $sec_prefix = '')
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{
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static $five = null;
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if ($five === null) {
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$five = version_compare(PHP_VERSION, '5', '>=');
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}
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$prefix = 'HTMLPurifier_' . $sec_prefix;
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if (!$five) {
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$prefix = strtolower($prefix);
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}
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$class = str_replace($prefix, '', get_class($obj));
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$lclass = strtolower($class);
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$class .= '(';
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switch ($lclass) {
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case 'enum':
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$values = array();
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foreach ($obj->valid_values as $value => $bool) {
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$values[] = $value;
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}
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$class .= implode(', ', $values);
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break;
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case 'css_composite':
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$values = array();
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foreach ($obj->defs as $def) {
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$values[] = $this->getClass($def, $sec_prefix);
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}
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$class .= implode(', ', $values);
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break;
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case 'css_multiple':
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$class .= $this->getClass($obj->single, $sec_prefix) . ', ';
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$class .= $obj->max;
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break;
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case 'css_denyelementdecorator':
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$class .= $this->getClass($obj->def, $sec_prefix) . ', ';
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$class .= $obj->element;
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break;
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case 'css_importantdecorator':
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$class .= $this->getClass($obj->def, $sec_prefix);
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if ($obj->allow) {
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$class .= ', !important';
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}
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break;
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}
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$class .= ')';
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return $class;
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}
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}
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// vim: et sw=4 sts=4
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