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author | Klaus Weidenbach <Klaus.Weidenbach@gmx.net> | 2017-03-18 17:50:05 +0100 |
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committer | Klaus Weidenbach <Klaus.Weidenbach@gmx.net> | 2017-03-26 00:41:27 +0100 |
commit | f718e2b0db0fe3477212a8dd6c3ec067f4432862 (patch) | |
tree | 8dfbd3b3d4bdcd967b50f1ee4655440bcdef5bb8 /vendor/ezyang/htmlpurifier/library/HTMLPurifier/TagTransform | |
parent | 2115eb26a7fd2ca937286bd4e98ab74c7d6e9525 (diff) | |
download | volse-hubzilla-f718e2b0db0fe3477212a8dd6c3ec067f4432862.tar.gz volse-hubzilla-f718e2b0db0fe3477212a8dd6c3ec067f4432862.tar.bz2 volse-hubzilla-f718e2b0db0fe3477212a8dd6c3ec067f4432862.zip |
: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/TagTransform')
-rw-r--r-- | vendor/ezyang/htmlpurifier/library/HTMLPurifier/TagTransform/Font.php | 114 | ||||
-rw-r--r-- | vendor/ezyang/htmlpurifier/library/HTMLPurifier/TagTransform/Simple.php | 44 |
2 files changed, 158 insertions, 0 deletions
diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/TagTransform/Font.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/TagTransform/Font.php new file mode 100644 index 000000000..7853d90bc --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/TagTransform/Font.php @@ -0,0 +1,114 @@ +<?php + +/** + * Transforms FONT tags to the proper form (SPAN with CSS styling) + * + * This transformation takes the three proprietary attributes of FONT and + * transforms them into their corresponding CSS attributes. These are color, + * face, and size. + * + * @note Size is an interesting case because it doesn't map cleanly to CSS. + * Thanks to + * http://style.cleverchimp.com/font_size_intervals/altintervals.html + * for reasonable mappings. + * @warning This doesn't work completely correctly; specifically, this + * TagTransform operates before well-formedness is enforced, so + * the "active formatting elements" algorithm doesn't get applied. + */ +class HTMLPurifier_TagTransform_Font extends HTMLPurifier_TagTransform +{ + /** + * @type string + */ + public $transform_to = 'span'; + + /** + * @type array + */ + protected $_size_lookup = array( + '0' => 'xx-small', + '1' => 'xx-small', + '2' => 'small', + '3' => 'medium', + '4' => 'large', + '5' => 'x-large', + '6' => 'xx-large', + '7' => '300%', + '-1' => 'smaller', + '-2' => '60%', + '+1' => 'larger', + '+2' => '150%', + '+3' => '200%', + '+4' => '300%' + ); + + /** + * @param HTMLPurifier_Token_Tag $tag + * @param HTMLPurifier_Config $config + * @param HTMLPurifier_Context $context + * @return HTMLPurifier_Token_End|string + */ + public function transform($tag, $config, $context) + { + if ($tag instanceof HTMLPurifier_Token_End) { + $new_tag = clone $tag; + $new_tag->name = $this->transform_to; + return $new_tag; + } + + $attr = $tag->attr; + $prepend_style = ''; + + // handle color transform + if (isset($attr['color'])) { + $prepend_style .= 'color:' . $attr['color'] . ';'; + unset($attr['color']); + } + + // handle face transform + if (isset($attr['face'])) { + $prepend_style .= 'font-family:' . $attr['face'] . ';'; + unset($attr['face']); + } + + // handle size transform + if (isset($attr['size'])) { + // normalize large numbers + if ($attr['size'] !== '') { + if ($attr['size']{0} == '+' || $attr['size']{0} == '-') { + $size = (int)$attr['size']; + if ($size < -2) { + $attr['size'] = '-2'; + } + if ($size > 4) { + $attr['size'] = '+4'; + } + } else { + $size = (int)$attr['size']; + if ($size > 7) { + $attr['size'] = '7'; + } + } + } + if (isset($this->_size_lookup[$attr['size']])) { + $prepend_style .= 'font-size:' . + $this->_size_lookup[$attr['size']] . ';'; + } + unset($attr['size']); + } + + if ($prepend_style) { + $attr['style'] = isset($attr['style']) ? + $prepend_style . $attr['style'] : + $prepend_style; + } + + $new_tag = clone $tag; + $new_tag->name = $this->transform_to; + $new_tag->attr = $attr; + + return $new_tag; + } +} + +// vim: et sw=4 sts=4 diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/TagTransform/Simple.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/TagTransform/Simple.php new file mode 100644 index 000000000..71bf10b91 --- /dev/null +++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/TagTransform/Simple.php @@ -0,0 +1,44 @@ +<?php + +/** + * Simple transformation, just change tag name to something else, + * and possibly add some styling. This will cover most of the deprecated + * tag cases. + */ +class HTMLPurifier_TagTransform_Simple extends HTMLPurifier_TagTransform +{ + /** + * @type string + */ + protected $style; + + /** + * @param string $transform_to Tag name to transform to. + * @param string $style CSS style to add to the tag + */ + public function __construct($transform_to, $style = null) + { + $this->transform_to = $transform_to; + $this->style = $style; + } + + /** + * @param HTMLPurifier_Token_Tag $tag + * @param HTMLPurifier_Config $config + * @param HTMLPurifier_Context $context + * @return string + */ + public function transform($tag, $config, $context) + { + $new_tag = clone $tag; + $new_tag->name = $this->transform_to; + if (!is_null($this->style) && + ($new_tag instanceof HTMLPurifier_Token_Start || $new_tag instanceof HTMLPurifier_Token_Empty) + ) { + $this->prependCSS($new_tag->attr, $this->style); + } + return $new_tag; + } +} + +// vim: et sw=4 sts=4 |