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authorfriendica <info@friendica.com>2012-07-18 03:59:10 -0700
committerfriendica <info@friendica.com>2012-07-18 03:59:10 -0700
commit22cf19e174bcee88b44968f2773d1bad2da2b54d (patch)
treef4e01db6f73754418438b020c2327e18c256653c /lib/htmlpurifier/library/HTMLPurifier/ContentSets.php
parent7a40f4354b32809af3d0cfd6e3af0eda02ab0e0a (diff)
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Diffstat (limited to 'lib/htmlpurifier/library/HTMLPurifier/ContentSets.php')
-rw-r--r--lib/htmlpurifier/library/HTMLPurifier/ContentSets.php155
1 files changed, 0 insertions, 155 deletions
diff --git a/lib/htmlpurifier/library/HTMLPurifier/ContentSets.php b/lib/htmlpurifier/library/HTMLPurifier/ContentSets.php
deleted file mode 100644
index 3b6e96f5f..000000000
--- a/lib/htmlpurifier/library/HTMLPurifier/ContentSets.php
+++ /dev/null
@@ -1,155 +0,0 @@
-<?php
-
-/**
- * @todo Unit test
- */
-class HTMLPurifier_ContentSets
-{
-
- /**
- * List of content set strings (pipe seperators) indexed by name.
- */
- public $info = array();
-
- /**
- * List of content set lookups (element => true) indexed by name.
- * @note This is in HTMLPurifier_HTMLDefinition->info_content_sets
- */
- public $lookup = array();
-
- /**
- * Synchronized list of defined content sets (keys of info)
- */
- protected $keys = array();
- /**
- * Synchronized list of defined content values (values of info)
- */
- protected $values = array();
-
- /**
- * Merges in module's content sets, expands identifiers in the content
- * sets and populates the keys, values and lookup member variables.
- * @param $modules List of HTMLPurifier_HTMLModule
- */
- public function __construct($modules) {
- if (!is_array($modules)) $modules = array($modules);
- // populate content_sets based on module hints
- // sorry, no way of overloading
- foreach ($modules as $module_i => $module) {
- foreach ($module->content_sets as $key => $value) {
- $temp = $this->convertToLookup($value);
- if (isset($this->lookup[$key])) {
- // add it into the existing content set
- $this->lookup[$key] = array_merge($this->lookup[$key], $temp);
- } else {
- $this->lookup[$key] = $temp;
- }
- }
- }
- $old_lookup = false;
- while ($old_lookup !== $this->lookup) {
- $old_lookup = $this->lookup;
- foreach ($this->lookup as $i => $set) {
- $add = array();
- foreach ($set as $element => $x) {
- if (isset($this->lookup[$element])) {
- $add += $this->lookup[$element];
- unset($this->lookup[$i][$element]);
- }
- }
- $this->lookup[$i] += $add;
- }
- }
-
- foreach ($this->lookup as $key => $lookup) {
- $this->info[$key] = implode(' | ', array_keys($lookup));
- }
- $this->keys = array_keys($this->info);
- $this->values = array_values($this->info);
- }
-
- /**
- * Accepts a definition; generates and assigns a ChildDef for it
- * @param $def HTMLPurifier_ElementDef reference
- * @param $module Module that defined the ElementDef
- */
- public function generateChildDef(&$def, $module) {
- if (!empty($def->child)) return; // already done!
- $content_model = $def->content_model;
- if (is_string($content_model)) {
- // Assume that $this->keys is alphanumeric
- $def->content_model = preg_replace_callback(
- '/\b(' . implode('|', $this->keys) . ')\b/',
- array($this, 'generateChildDefCallback'),
- $content_model
- );
- //$def->content_model = str_replace(
- // $this->keys, $this->values, $content_model);
- }
- $def->child = $this->getChildDef($def, $module);
- }
-
- public function generateChildDefCallback($matches) {
- return $this->info[$matches[0]];
- }
-
- /**
- * Instantiates a ChildDef based on content_model and content_model_type
- * member variables in HTMLPurifier_ElementDef
- * @note This will also defer to modules for custom HTMLPurifier_ChildDef
- * subclasses that need content set expansion
- * @param $def HTMLPurifier_ElementDef to have ChildDef extracted
- * @return HTMLPurifier_ChildDef corresponding to ElementDef
- */
- public function getChildDef($def, $module) {
- $value = $def->content_model;
- if (is_object($value)) {
- trigger_error(
- 'Literal object child definitions should be stored in '.
- 'ElementDef->child not ElementDef->content_model',
- E_USER_NOTICE
- );
- return $value;
- }
- switch ($def->content_model_type) {
- case 'required':
- return new HTMLPurifier_ChildDef_Required($value);
- case 'optional':
- return new HTMLPurifier_ChildDef_Optional($value);
- case 'empty':
- return new HTMLPurifier_ChildDef_Empty();
- case 'custom':
- return new HTMLPurifier_ChildDef_Custom($value);
- }
- // defer to its module
- $return = false;
- if ($module->defines_child_def) { // save a func call
- $return = $module->getChildDef($def);
- }
- if ($return !== false) return $return;
- // error-out
- trigger_error(
- 'Could not determine which ChildDef class to instantiate',
- E_USER_ERROR
- );
- return false;
- }
-
- /**
- * Converts a string list of elements separated by pipes into
- * a lookup array.
- * @param $string List of elements
- * @return Lookup array of elements
- */
- protected function convertToLookup($string) {
- $array = explode('|', str_replace(' ', '', $string));
- $ret = array();
- foreach ($array as $i => $k) {
- $ret[$k] = true;
- }
- return $ret;
- }
-
-}
-
-// vim: et sw=4 sts=4