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<?php
class HTMLPurifier_Printer_HTMLDefinition extends HTMLPurifier_Printer
{
/**
* Instance of HTMLPurifier_HTMLDefinition, for easy access
*/
protected $def;
public function render($config) {
$ret = '';
$this->config =& $config;
$this->def = $config->getHTMLDefinition();
$ret .= $this->start('div', array('class' => 'HTMLPurifier_Printer'));
$ret .= $this->renderDoctype();
$ret .= $this->renderEnvironment();
$ret .= $this->renderContentSets();
$ret .= $this->renderInfo();
$ret .= $this->end('div');
return $ret;
}
/**
* Renders the Doctype table
*/
protected function renderDoctype() {
$doctype = $this->def->doctype;
$ret = '';
$ret .= $this->start('table');
$ret .= $this->element('caption', 'Doctype');
$ret .= $this->row('Name', $doctype->name);
$ret .= $this->row('XML', $doctype->xml ? 'Yes' : 'No');
$ret .= $this->row('Default Modules', implode($doctype->modules, ', '));
$ret .= $this->row('Default Tidy Modules', implode($doctype->tidyModules, ', '));
$ret .= $this->end('table');
return $ret;
}
/**
* Renders environment table, which is miscellaneous info
*/
protected function renderEnvironment() {
$def = $this->def;
$ret = '';
$ret .= $this->start('table');
$ret .= $this->element('caption', 'Environment');
$ret .= $this->row('Parent of fragment', $def->info_parent);
$ret .= $this->renderChildren($def->info_parent_def->child);
$ret .= $this->row('Block wrap name', $def->info_block_wrapper);
$ret .= $this->start('tr');
$ret .= $this->element('th', 'Global attributes');
$ret .= $this->element('td', $this->listifyAttr($def->info_global_attr),0,0);
$ret .= $this->end('tr');
$ret .= $this->start('tr');
$ret .= $this->element('th', 'Tag transforms');
$list = array();
foreach ($def->info_tag_transform as $old => $new) {
$new = $this->getClass($new, 'TagTransform_');
$list[] = "<$old> with $new";
}
$ret .= $this->element('td', $this->listify($list));
$ret .= $this->end('tr');
$ret .= $this->start('tr');
$ret .= $this->element('th', 'Pre-AttrTransform');
$ret .= $this->element('td', $this->listifyObjectList($def->info_attr_transform_pre));
$ret .= $this->end('tr');
$ret .= $this->start('tr');
$ret .= $this->element('th', 'Post-AttrTransform');
$ret .= $this->element('td', $this->listifyObjectList($def->info_attr_transform_post));
$ret .= $this->end('tr');
$ret .= $this->end('table');
return $ret;
}
/**
* Renders the Content Sets table
*/
protected function renderContentSets() {
$ret = '';
$ret .= $this->start('table');
$ret .= $this->element('caption', 'Content Sets');
foreach ($this->def->info_content_sets as $name => $lookup) {
$ret .= $this->heavyHeader($name);
$ret .= $this->start('tr');
$ret .= $this->element('td', $this->listifyTagLookup($lookup));
$ret .= $this->end('tr');
}
$ret .= $this->end('table');
return $ret;
}
/**
* Renders the Elements ($info) table
*/
protected function renderInfo() {
$ret = '';
$ret .= $this->start('table');
$ret .= $this->element('caption', 'Elements ($info)');
ksort($this->def->info);
$ret .= $this->heavyHeader('Allowed tags', 2);
$ret .= $this->start('tr');
$ret .= $this->element('td', $this->listifyTagLookup($this->def->info), array('colspan' => 2));
$ret .= $this->end('tr');
foreach ($this->def->info as $name => $def) {
$ret .= $this->start('tr');
$ret .= $this->element('th', "<$name>", array('class'=>'heavy', 'colspan' => 2));
$ret .= $this->end('tr');
$ret .= $this->start('tr');
$ret .= $this->element('th', 'Inline content');
$ret .= $this->element('td', $def->descendants_are_inline ? 'Yes' : 'No');
$ret .= $this->end('tr');
if (!empty($def->excludes)) {
$ret .= $this->start('tr');
$ret .= $this->element('th', 'Excludes');
$ret .= $this->element('td', $this->listifyTagLookup($def->excludes));
$ret .= $this->end('tr');
}
if (!empty($def->attr_transform_pre)) {
$ret .= $this->start('tr');
$ret .= $this->element('th', 'Pre-AttrTransform');
$ret .= $this->element('td', $this->listifyObjectList($def->attr_transform_pre));
$ret .= $this->end('tr');
}
if (!empty($def->attr_transform_post)) {
$ret .= $this->start('tr');
$ret .= $this->element('th', 'Post-AttrTransform');
$ret .= $this->element('td', $this->listifyObjectList($def->attr_transform_post));
$ret .= $this->end('tr');
}
if (!empty($def->auto_close)) {
$ret .= $this->start('tr');
$ret .= $this->element('th', 'Auto closed by');
$ret .= $this->element('td', $this->listifyTagLookup($def->auto_close));
$ret .= $this->end('tr');
}
$ret .= $this->start('tr');
$ret .= $this->element('th', 'Allowed attributes');
$ret .= $this->element('td',$this->listifyAttr($def->attr), array(), 0);
$ret .= $this->end('tr');
if (!empty($def->required_attr)) {
$ret .= $this->row('Required attributes', $this->listify($def->required_attr));
}
$ret .= $this->renderChildren($def->child);
}
$ret .= $this->end('table');
return $ret;
}
/**
* Renders a row describing the allowed children of an element
* @param $def HTMLPurifier_ChildDef of pertinent element
*/
protected function renderChildren($def) {
$context = new HTMLPurifier_Context();
$ret = '';
$ret .= $this->start('tr');
$elements = array();
$attr = array();
if (isset($def->elements)) {
if ($def->type == 'strictblockquote') {
$def->validateChildren(array(), $this->config, $context);
}
$elements = $def->elements;
}
if ($def->type == 'chameleon') {
$attr['rowspan'] = 2;
} elseif ($def->type == 'empty') {
$elements = array();
} elseif ($def->type == 'table') {
$elements = array_flip(array('col', 'caption', 'colgroup', 'thead',
'tfoot', 'tbody', 'tr'));
}
$ret .= $this->element('th', 'Allowed children', $attr);
if ($def->type == 'chameleon') {
$ret .= $this->element('td',
'<em>Block</em>: ' .
$this->escape($this->listifyTagLookup($def->block->elements)),0,0);
$ret .= $this->end('tr');
$ret .= $this->start('tr');
$ret .= $this->element('td',
'<em>Inline</em>: ' .
$this->escape($this->listifyTagLookup($def->inline->elements)),0,0);
} elseif ($def->type == 'custom') {
$ret .= $this->element('td', '<em>'.ucfirst($def->type).'</em>: ' .
$def->dtd_regex);
} else {
$ret .= $this->element('td',
'<em>'.ucfirst($def->type).'</em>: ' .
$this->escape($this->listifyTagLookup($elements)),0,0);
}
$ret .= $this->end('tr');
return $ret;
}
/**
* Listifies a tag lookup table.
* @param $array Tag lookup array in form of array('tagname' => true)
*/
protected function listifyTagLookup($array) {
ksort($array);
$list = array();
foreach ($array as $name => $discard) {
if ($name !== '#PCDATA' && !isset($this->def->info[$name])) continue;
$list[] = $name;
}
return $this->listify($list);
}
/**
* Listifies a list of objects by retrieving class names and internal state
* @param $array List of objects
* @todo Also add information about internal state
*/
protected function listifyObjectList($array) {
ksort($array);
$list = array();
foreach ($array as $discard => $obj) {
$list[] = $this->getClass($obj, 'AttrTransform_');
}
return $this->listify($list);
}
/**
* Listifies a hash of attributes to AttrDef classes
* @param $array Array hash in form of array('attrname' => HTMLPurifier_AttrDef)
*/
protected function listifyAttr($array) {
ksort($array);
$list = array();
foreach ($array as $name => $obj) {
if ($obj === false) continue;
$list[] = "$name = <i>" . $this->getClass($obj, 'AttrDef_') . '</i>';
}
return $this->listify($list);
}
/**
* Creates a heavy header row
*/
protected function heavyHeader($text, $num = 1) {
$ret = '';
$ret .= $this->start('tr');
$ret .= $this->element('th', $text, array('colspan' => $num, 'class' => 'heavy'));
$ret .= $this->end('tr');
return $ret;
}
}
// vim: et sw=4 sts=4