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-rw-r--r--library/HTMLPurifier/Printer/HTMLDefinition.php272
1 files changed, 272 insertions, 0 deletions
diff --git a/library/HTMLPurifier/Printer/HTMLDefinition.php b/library/HTMLPurifier/Printer/HTMLDefinition.php
new file mode 100644
index 000000000..8a8f126b8
--- /dev/null
+++ b/library/HTMLPurifier/Printer/HTMLDefinition.php
@@ -0,0 +1,272 @@
+<?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&nbsp;=&nbsp;<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