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authorKlaus Weidenbach <Klaus.Weidenbach@gmx.net>2017-03-18 17:50:05 +0100
committerKlaus Weidenbach <Klaus.Weidenbach@gmx.net>2017-03-26 00:41:27 +0100
commitf718e2b0db0fe3477212a8dd6c3ec067f4432862 (patch)
tree8dfbd3b3d4bdcd967b50f1ee4655440bcdef5bb8 /vendor/ezyang/htmlpurifier/library/HTMLPurifier/ChildDef
parent2115eb26a7fd2ca937286bd4e98ab74c7d6e9525 (diff)
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:arrow_up: Update HTML Purifier library.
Updated HTML Purifier from 4.6.0 to 4.9.2 with better PHP7 compatibility. Used composer to manage this library.
Diffstat (limited to 'vendor/ezyang/htmlpurifier/library/HTMLPurifier/ChildDef')
-rw-r--r--vendor/ezyang/htmlpurifier/library/HTMLPurifier/ChildDef/Chameleon.php67
-rw-r--r--vendor/ezyang/htmlpurifier/library/HTMLPurifier/ChildDef/Custom.php102
-rw-r--r--vendor/ezyang/htmlpurifier/library/HTMLPurifier/ChildDef/Empty.php38
-rw-r--r--vendor/ezyang/htmlpurifier/library/HTMLPurifier/ChildDef/List.php92
-rw-r--r--vendor/ezyang/htmlpurifier/library/HTMLPurifier/ChildDef/Optional.php45
-rw-r--r--vendor/ezyang/htmlpurifier/library/HTMLPurifier/ChildDef/Required.php118
-rw-r--r--vendor/ezyang/htmlpurifier/library/HTMLPurifier/ChildDef/StrictBlockquote.php110
-rw-r--r--vendor/ezyang/htmlpurifier/library/HTMLPurifier/ChildDef/Table.php224
8 files changed, 796 insertions, 0 deletions
diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ChildDef/Chameleon.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ChildDef/Chameleon.php
new file mode 100644
index 000000000..7439be26b
--- /dev/null
+++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ChildDef/Chameleon.php
@@ -0,0 +1,67 @@
+<?php
+
+/**
+ * Definition that uses different definitions depending on context.
+ *
+ * The del and ins tags are notable because they allow different types of
+ * elements depending on whether or not they're in a block or inline context.
+ * Chameleon allows this behavior to happen by using two different
+ * definitions depending on context. While this somewhat generalized,
+ * it is specifically intended for those two tags.
+ */
+class HTMLPurifier_ChildDef_Chameleon extends HTMLPurifier_ChildDef
+{
+
+ /**
+ * Instance of the definition object to use when inline. Usually stricter.
+ * @type HTMLPurifier_ChildDef_Optional
+ */
+ public $inline;
+
+ /**
+ * Instance of the definition object to use when block.
+ * @type HTMLPurifier_ChildDef_Optional
+ */
+ public $block;
+
+ /**
+ * @type string
+ */
+ public $type = 'chameleon';
+
+ /**
+ * @param array $inline List of elements to allow when inline.
+ * @param array $block List of elements to allow when block.
+ */
+ public function __construct($inline, $block)
+ {
+ $this->inline = new HTMLPurifier_ChildDef_Optional($inline);
+ $this->block = new HTMLPurifier_ChildDef_Optional($block);
+ $this->elements = $this->block->elements;
+ }
+
+ /**
+ * @param HTMLPurifier_Node[] $children
+ * @param HTMLPurifier_Config $config
+ * @param HTMLPurifier_Context $context
+ * @return bool
+ */
+ public function validateChildren($children, $config, $context)
+ {
+ if ($context->get('IsInline') === false) {
+ return $this->block->validateChildren(
+ $children,
+ $config,
+ $context
+ );
+ } else {
+ return $this->inline->validateChildren(
+ $children,
+ $config,
+ $context
+ );
+ }
+ }
+}
+
+// vim: et sw=4 sts=4
diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ChildDef/Custom.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ChildDef/Custom.php
new file mode 100644
index 000000000..128132e96
--- /dev/null
+++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ChildDef/Custom.php
@@ -0,0 +1,102 @@
+<?php
+
+/**
+ * Custom validation class, accepts DTD child definitions
+ *
+ * @warning Currently this class is an all or nothing proposition, that is,
+ * it will only give a bool return value.
+ */
+class HTMLPurifier_ChildDef_Custom extends HTMLPurifier_ChildDef
+{
+ /**
+ * @type string
+ */
+ public $type = 'custom';
+
+ /**
+ * @type bool
+ */
+ public $allow_empty = false;
+
+ /**
+ * Allowed child pattern as defined by the DTD.
+ * @type string
+ */
+ public $dtd_regex;
+
+ /**
+ * PCRE regex derived from $dtd_regex.
+ * @type string
+ */
+ private $_pcre_regex;
+
+ /**
+ * @param $dtd_regex Allowed child pattern from the DTD
+ */
+ public function __construct($dtd_regex)
+ {
+ $this->dtd_regex = $dtd_regex;
+ $this->_compileRegex();
+ }
+
+ /**
+ * Compiles the PCRE regex from a DTD regex ($dtd_regex to $_pcre_regex)
+ */
+ protected function _compileRegex()
+ {
+ $raw = str_replace(' ', '', $this->dtd_regex);
+ if ($raw{0} != '(') {
+ $raw = "($raw)";
+ }
+ $el = '[#a-zA-Z0-9_.-]+';
+ $reg = $raw;
+
+ // COMPLICATED! AND MIGHT BE BUGGY! I HAVE NO CLUE WHAT I'M
+ // DOING! Seriously: if there's problems, please report them.
+
+ // collect all elements into the $elements array
+ preg_match_all("/$el/", $reg, $matches);
+ foreach ($matches[0] as $match) {
+ $this->elements[$match] = true;
+ }
+
+ // setup all elements as parentheticals with leading commas
+ $reg = preg_replace("/$el/", '(,\\0)', $reg);
+
+ // remove commas when they were not solicited
+ $reg = preg_replace("/([^,(|]\(+),/", '\\1', $reg);
+
+ // remove all non-paranthetical commas: they are handled by first regex
+ $reg = preg_replace("/,\(/", '(', $reg);
+
+ $this->_pcre_regex = $reg;
+ }
+
+ /**
+ * @param HTMLPurifier_Node[] $children
+ * @param HTMLPurifier_Config $config
+ * @param HTMLPurifier_Context $context
+ * @return bool
+ */
+ public function validateChildren($children, $config, $context)
+ {
+ $list_of_children = '';
+ $nesting = 0; // depth into the nest
+ foreach ($children as $node) {
+ if (!empty($node->is_whitespace)) {
+ continue;
+ }
+ $list_of_children .= $node->name . ',';
+ }
+ // add leading comma to deal with stray comma declarations
+ $list_of_children = ',' . rtrim($list_of_children, ',');
+ $okay =
+ preg_match(
+ '/^,?' . $this->_pcre_regex . '$/',
+ $list_of_children
+ );
+ return (bool)$okay;
+ }
+}
+
+// vim: et sw=4 sts=4
diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ChildDef/Empty.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ChildDef/Empty.php
new file mode 100644
index 000000000..a8a6cbdd2
--- /dev/null
+++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ChildDef/Empty.php
@@ -0,0 +1,38 @@
+<?php
+
+/**
+ * Definition that disallows all elements.
+ * @warning validateChildren() in this class is actually never called, because
+ * empty elements are corrected in HTMLPurifier_Strategy_MakeWellFormed
+ * before child definitions are parsed in earnest by
+ * HTMLPurifier_Strategy_FixNesting.
+ */
+class HTMLPurifier_ChildDef_Empty extends HTMLPurifier_ChildDef
+{
+ /**
+ * @type bool
+ */
+ public $allow_empty = true;
+
+ /**
+ * @type string
+ */
+ public $type = 'empty';
+
+ public function __construct()
+ {
+ }
+
+ /**
+ * @param HTMLPurifier_Node[] $children
+ * @param HTMLPurifier_Config $config
+ * @param HTMLPurifier_Context $context
+ * @return array
+ */
+ public function validateChildren($children, $config, $context)
+ {
+ return array();
+ }
+}
+
+// vim: et sw=4 sts=4
diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ChildDef/List.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ChildDef/List.php
new file mode 100644
index 000000000..5a53a4b49
--- /dev/null
+++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ChildDef/List.php
@@ -0,0 +1,92 @@
+<?php
+
+/**
+ * Definition for list containers ul and ol.
+ *
+ * What does this do? The big thing is to handle ol/ul at the top
+ * level of list nodes, which should be handled specially by /folding/
+ * them into the previous list node. We generally shouldn't ever
+ * see other disallowed elements, because the autoclose behavior
+ * in MakeWellFormed handles it.
+ */
+class HTMLPurifier_ChildDef_List extends HTMLPurifier_ChildDef
+{
+ /**
+ * @type string
+ */
+ public $type = 'list';
+ /**
+ * @type array
+ */
+ // lying a little bit, so that we can handle ul and ol ourselves
+ // XXX: This whole business with 'wrap' is all a bit unsatisfactory
+ public $elements = array('li' => true, 'ul' => true, 'ol' => true);
+
+ /**
+ * @param array $children
+ * @param HTMLPurifier_Config $config
+ * @param HTMLPurifier_Context $context
+ * @return array
+ */
+ public function validateChildren($children, $config, $context)
+ {
+ // Flag for subclasses
+ $this->whitespace = false;
+
+ // if there are no tokens, delete parent node
+ if (empty($children)) {
+ return false;
+ }
+
+ // if li is not allowed, delete parent node
+ if (!isset($config->getHTMLDefinition()->info['li'])) {
+ trigger_error("Cannot allow ul/ol without allowing li", E_USER_WARNING);
+ return false;
+ }
+
+ // the new set of children
+ $result = array();
+
+ // a little sanity check to make sure it's not ALL whitespace
+ $all_whitespace = true;
+
+ $current_li = false;
+
+ foreach ($children as $node) {
+ if (!empty($node->is_whitespace)) {
+ $result[] = $node;
+ continue;
+ }
+ $all_whitespace = false; // phew, we're not talking about whitespace
+
+ if ($node->name === 'li') {
+ // good
+ $current_li = $node;
+ $result[] = $node;
+ } else {
+ // we want to tuck this into the previous li
+ // Invariant: we expect the node to be ol/ul
+ // ToDo: Make this more robust in the case of not ol/ul
+ // by distinguishing between existing li and li created
+ // to handle non-list elements; non-list elements should
+ // not be appended to an existing li; only li created
+ // for non-list. This distinction is not currently made.
+ if ($current_li === false) {
+ $current_li = new HTMLPurifier_Node_Element('li');
+ $result[] = $current_li;
+ }
+ $current_li->children[] = $node;
+ $current_li->empty = false; // XXX fascinating! Check for this error elsewhere ToDo
+ }
+ }
+ if (empty($result)) {
+ return false;
+ }
+ if ($all_whitespace) {
+ return false;
+ }
+ return $result;
+ }
+}
+
+// vim: et sw=4 sts=4
diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ChildDef/Optional.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ChildDef/Optional.php
new file mode 100644
index 000000000..b9468063b
--- /dev/null
+++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ChildDef/Optional.php
@@ -0,0 +1,45 @@
+<?php
+
+/**
+ * Definition that allows a set of elements, and allows no children.
+ * @note This is a hack to reuse code from HTMLPurifier_ChildDef_Required,
+ * really, one shouldn't inherit from the other. Only altered behavior
+ * is to overload a returned false with an array. Thus, it will never
+ * return false.
+ */
+class HTMLPurifier_ChildDef_Optional extends HTMLPurifier_ChildDef_Required
+{
+ /**
+ * @type bool
+ */
+ public $allow_empty = true;
+
+ /**
+ * @type string
+ */
+ public $type = 'optional';
+
+ /**
+ * @param array $children
+ * @param HTMLPurifier_Config $config
+ * @param HTMLPurifier_Context $context
+ * @return array
+ */
+ public function validateChildren($children, $config, $context)
+ {
+ $result = parent::validateChildren($children, $config, $context);
+ // we assume that $children is not modified
+ if ($result === false) {
+ if (empty($children)) {
+ return true;
+ } elseif ($this->whitespace) {
+ return $children;
+ } else {
+ return array();
+ }
+ }
+ return $result;
+ }
+}
+
+// vim: et sw=4 sts=4
diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ChildDef/Required.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ChildDef/Required.php
new file mode 100644
index 000000000..0d1c8f5f3
--- /dev/null
+++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ChildDef/Required.php
@@ -0,0 +1,118 @@
+<?php
+
+/**
+ * Definition that allows a set of elements, but disallows empty children.
+ */
+class HTMLPurifier_ChildDef_Required extends HTMLPurifier_ChildDef
+{
+ /**
+ * Lookup table of allowed elements.
+ * @type array
+ */
+ public $elements = array();
+
+ /**
+ * Whether or not the last passed node was all whitespace.
+ * @type bool
+ */
+ protected $whitespace = false;
+
+ /**
+ * @param array|string $elements List of allowed element names (lowercase).
+ */
+ public function __construct($elements)
+ {
+ if (is_string($elements)) {
+ $elements = str_replace(' ', '', $elements);
+ $elements = explode('|', $elements);
+ }
+ $keys = array_keys($elements);
+ if ($keys == array_keys($keys)) {
+ $elements = array_flip($elements);
+ foreach ($elements as $i => $x) {
+ $elements[$i] = true;
+ if (empty($i)) {
+ unset($elements[$i]);
+ } // remove blank
+ }
+ }
+ $this->elements = $elements;
+ }
+
+ /**
+ * @type bool
+ */
+ public $allow_empty = false;
+
+ /**
+ * @type string
+ */
+ public $type = 'required';
+
+ /**
+ * @param array $children
+ * @param HTMLPurifier_Config $config
+ * @param HTMLPurifier_Context $context
+ * @return array
+ */
+ public function validateChildren($children, $config, $context)
+ {
+ // Flag for subclasses
+ $this->whitespace = false;
+
+ // if there are no tokens, delete parent node
+ if (empty($children)) {
+ return false;
+ }
+
+ // the new set of children
+ $result = array();
+
+ // whether or not parsed character data is allowed
+ // this controls whether or not we silently drop a tag
+ // or generate escaped HTML from it
+ $pcdata_allowed = isset($this->elements['#PCDATA']);
+
+ // a little sanity check to make sure it's not ALL whitespace
+ $all_whitespace = true;
+
+ $stack = array_reverse($children);
+ while (!empty($stack)) {
+ $node = array_pop($stack);
+ if (!empty($node->is_whitespace)) {
+ $result[] = $node;
+ continue;
+ }
+ $all_whitespace = false; // phew, we're not talking about whitespace
+
+ if (!isset($this->elements[$node->name])) {
+ // special case text
+ // XXX One of these ought to be redundant or something
+ if ($pcdata_allowed && $node instanceof HTMLPurifier_Node_Text) {
+ $result[] = $node;
+ continue;
+ }
+ // spill the child contents in
+ // ToDo: Make configurable
+ if ($node instanceof HTMLPurifier_Node_Element) {
+ for ($i = count($node->children) - 1; $i >= 0; $i--) {
+ $stack[] = $node->children[$i];
+ }
+ continue;
+ }
+ continue;
+ }
+ $result[] = $node;
+ }
+ if (empty($result)) {
+ return false;
+ }
+ if ($all_whitespace) {
+ $this->whitespace = true;
+ return false;
+ }
+ return $result;
+ }
+}
+
+// vim: et sw=4 sts=4
diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ChildDef/StrictBlockquote.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ChildDef/StrictBlockquote.php
new file mode 100644
index 000000000..3270a46e1
--- /dev/null
+++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ChildDef/StrictBlockquote.php
@@ -0,0 +1,110 @@
+<?php
+
+/**
+ * Takes the contents of blockquote when in strict and reformats for validation.
+ */
+class HTMLPurifier_ChildDef_StrictBlockquote extends HTMLPurifier_ChildDef_Required
+{
+ /**
+ * @type array
+ */
+ protected $real_elements;
+
+ /**
+ * @type array
+ */
+ protected $fake_elements;
+
+ /**
+ * @type bool
+ */
+ public $allow_empty = true;
+
+ /**
+ * @type string
+ */
+ public $type = 'strictblockquote';
+
+ /**
+ * @type bool
+ */
+ protected $init = false;
+
+ /**
+ * @param HTMLPurifier_Config $config
+ * @return array
+ * @note We don't want MakeWellFormed to auto-close inline elements since
+ * they might be allowed.
+ */
+ public function getAllowedElements($config)
+ {
+ $this->init($config);
+ return $this->fake_elements;
+ }
+
+ /**
+ * @param array $children
+ * @param HTMLPurifier_Config $config
+ * @param HTMLPurifier_Context $context
+ * @return array
+ */
+ public function validateChildren($children, $config, $context)
+ {
+ $this->init($config);
+
+ // trick the parent class into thinking it allows more
+ $this->elements = $this->fake_elements;
+ $result = parent::validateChildren($children, $config, $context);
+ $this->elements = $this->real_elements;
+
+ if ($result === false) {
+ return array();
+ }
+ if ($result === true) {
+ $result = $children;
+ }
+
+ $def = $config->getHTMLDefinition();
+ $block_wrap_name = $def->info_block_wrapper;
+ $block_wrap = false;
+ $ret = array();
+
+ foreach ($result as $node) {
+ if ($block_wrap === false) {
+ if (($node instanceof HTMLPurifier_Node_Text && !$node->is_whitespace) ||
+ ($node instanceof HTMLPurifier_Node_Element && !isset($this->elements[$node->name]))) {
+ $block_wrap = new HTMLPurifier_Node_Element($def->info_block_wrapper);
+ $ret[] = $block_wrap;
+ }
+ } else {
+ if ($node instanceof HTMLPurifier_Node_Element && isset($this->elements[$node->name])) {
+ $block_wrap = false;
+
+ }
+ }
+ if ($block_wrap) {
+ $block_wrap->children[] = $node;
+ } else {
+ $ret[] = $node;
+ }
+ }
+ return $ret;
+ }
+
+ /**
+ * @param HTMLPurifier_Config $config
+ */
+ private function init($config)
+ {
+ if (!$this->init) {
+ $def = $config->getHTMLDefinition();
+ // allow all inline elements
+ $this->real_elements = $this->elements;
+ $this->fake_elements = $def->info_content_sets['Flow'];
+ $this->fake_elements['#PCDATA'] = true;
+ $this->init = true;
+ }
+ }
+}
+
+// vim: et sw=4 sts=4
diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ChildDef/Table.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ChildDef/Table.php
new file mode 100644
index 000000000..cb6b3e6cd
--- /dev/null
+++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ChildDef/Table.php
@@ -0,0 +1,224 @@
+<?php
+
+/**
+ * Definition for tables. The general idea is to extract out all of the
+ * essential bits, and then reconstruct it later.
+ *
+ * This is a bit confusing, because the DTDs and the W3C
+ * validators seem to disagree on the appropriate definition. The
+ * DTD claims:
+ *
+ * (CAPTION?, (COL*|COLGROUP*), THEAD?, TFOOT?, TBODY+)
+ *
+ * But actually, the HTML4 spec then has this to say:
+ *
+ * The TBODY start tag is always required except when the table
+ * contains only one table body and no table head or foot sections.
+ * The TBODY end tag may always be safely omitted.
+ *
+ * So the DTD is kind of wrong. The validator is, unfortunately, kind
+ * of on crack.
+ *
+ * The definition changed again in XHTML1.1; and in my opinion, this
+ * formulation makes the most sense.
+ *
+ * caption?, ( col* | colgroup* ), (( thead?, tfoot?, tbody+ ) | ( tr+ ))
+ *
+ * Essentially, we have two modes: thead/tfoot/tbody mode, and tr mode.
+ * If we encounter a thead, tfoot or tbody, we are placed in the former
+ * mode, and we *must* wrap any stray tr segments with a tbody. But if
+ * we don't run into any of them, just have tr tags is OK.
+ */
+class HTMLPurifier_ChildDef_Table extends HTMLPurifier_ChildDef
+{
+ /**
+ * @type bool
+ */
+ public $allow_empty = false;
+
+ /**
+ * @type string
+ */
+ public $type = 'table';
+
+ /**
+ * @type array
+ */
+ public $elements = array(
+ 'tr' => true,
+ 'tbody' => true,
+ 'thead' => true,
+ 'tfoot' => true,
+ 'caption' => true,
+ 'colgroup' => true,
+ 'col' => true
+ );
+
+ public function __construct()
+ {
+ }
+
+ /**
+ * @param array $children
+ * @param HTMLPurifier_Config $config
+ * @param HTMLPurifier_Context $context
+ * @return array
+ */
+ public function validateChildren($children, $config, $context)
+ {
+ if (empty($children)) {
+ return false;
+ }
+
+ // only one of these elements is allowed in a table
+ $caption = false;
+ $thead = false;
+ $tfoot = false;
+
+ // whitespace
+ $initial_ws = array();
+ $after_caption_ws = array();
+ $after_thead_ws = array();
+ $after_tfoot_ws = array();
+
+ // as many of these as you want
+ $cols = array();
+ $content = array();
+
+ $tbody_mode = false; // if true, then we need to wrap any stray
+ // <tr>s with a <tbody>.
+
+ $ws_accum =& $initial_ws;
+
+ foreach ($children as $node) {
+ if ($node instanceof HTMLPurifier_Node_Comment) {
+ $ws_accum[] = $node;
+ continue;
+ }
+ switch ($node->name) {
+ case 'tbody':
+ $tbody_mode = true;
+ // fall through
+ case 'tr':
+ $content[] = $node;
+ $ws_accum =& $content;
+ break;
+ case 'caption':
+ // there can only be one caption!
+ if ($caption !== false) break;
+ $caption = $node;
+ $ws_accum =& $after_caption_ws;
+ break;
+ case 'thead':
+ $tbody_mode = true;
+ // XXX This breaks rendering properties with
+ // Firefox, which never floats a <thead> to
+ // the top. Ever. (Our scheme will float the
+ // first <thead> to the top.) So maybe
+ // <thead>s that are not first should be
+ // turned into <tbody>? Very tricky, indeed.
+ if ($thead === false) {
+ $thead = $node;
+ $ws_accum =& $after_thead_ws;
+ } else {
+ // Oops, there's a second one! What
+ // should we do? Current behavior is to
+ // transmutate the first and last entries into
+ // tbody tags, and then put into content.
+ // Maybe a better idea is to *attach
+ // it* to the existing thead or tfoot?
+ // We don't do this, because Firefox
+ // doesn't float an extra tfoot to the
+ // bottom like it does for the first one.
+ $node->name = 'tbody';
+ $content[] = $node;
+ $ws_accum =& $content;
+ }
+ break;
+ case 'tfoot':
+ // see above for some aveats
+ $tbody_mode = true;
+ if ($tfoot === false) {
+ $tfoot = $node;
+ $ws_accum =& $after_tfoot_ws;
+ } else {
+ $node->name = 'tbody';
+ $content[] = $node;
+ $ws_accum =& $content;
+ }
+ break;
+ case 'colgroup':
+ case 'col':
+ $cols[] = $node;
+ $ws_accum =& $cols;
+ break;
+ case '#PCDATA':
+ // How is whitespace handled? We treat is as sticky to
+ // the *end* of the previous element. So all of the
+ // nonsense we have worked on is to keep things
+ // together.
+ if (!empty($node->is_whitespace)) {
+ $ws_accum[] = $node;
+ }
+ break;
+ }
+ }
+
+ if (empty($content)) {
+ return false;
+ }
+
+ $ret = $initial_ws;
+ if ($caption !== false) {
+ $ret[] = $caption;
+ $ret = array_merge($ret, $after_caption_ws);
+ }
+ if ($cols !== false) {
+ $ret = array_merge($ret, $cols);
+ }
+ if ($thead !== false) {
+ $ret[] = $thead;
+ $ret = array_merge($ret, $after_thead_ws);
+ }
+ if ($tfoot !== false) {
+ $ret[] = $tfoot;
+ $ret = array_merge($ret, $after_tfoot_ws);
+ }
+
+ if ($tbody_mode) {
+ // we have to shuffle tr into tbody
+ $current_tr_tbody = null;
+
+ foreach($content as $node) {
+ switch ($node->name) {
+ case 'tbody':
+ $current_tr_tbody = null;
+ $ret[] = $node;
+ break;
+ case 'tr':
+ if ($current_tr_tbody === null) {
+ $current_tr_tbody = new HTMLPurifier_Node_Element('tbody');
+ $ret[] = $current_tr_tbody;
+ }
+ $current_tr_tbody->children[] = $node;
+ break;
+ case '#PCDATA':
+ //assert($node->is_whitespace);
+ if ($current_tr_tbody === null) {
+ $ret[] = $node;
+ } else {
+ $current_tr_tbody->children[] = $node;
+ }
+ break;
+ }
+ }
+ } else {
+ $ret = array_merge($ret, $content);
+ }
+
+ return $ret;
+
+ }
+}
+
+// vim: et sw=4 sts=4