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Add new ignoreChildren behavior to HTML::tagToBBCode

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- Allow discarding HTML tag children for single-value BBCode
- Add test for it
This commit is contained in:
Hypolite Petovan 2019-09-25 20:44:09 -04:00
commit 1f20a9330c
2 changed files with 54 additions and 10 deletions
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38
src/Content/Text/HTML.php
View file

@ -42,14 +42,32 @@ class HTML
return $cleaned;
}
private static function tagToBBCode(DOMDocument $doc, $tag, $attributes, $startbb, $endbb)
/**
* Search all instances of a specific HTML tag node in the provided DOM document and replaces them with BBCode text nodes.
*
* @see HTML::tagToBBCodeSub()
*/
private static function tagToBBCode(DOMDocument $doc, string $tag, array $attributes, string $startbb, string $endbb, bool $ignoreChildren = false)
{
do {
$done = self::tagToBBCodeSub($doc, $tag, $attributes, $startbb, $endbb);
$done = self::tagToBBCodeSub($doc, $tag, $attributes, $startbb, $endbb, $ignoreChildren);
} while ($done);
}
private static function tagToBBCodeSub(DOMDocument $doc, $tag, $attributes, $startbb, $endbb)
/**
* Search the first specific HTML tag node in the provided DOM document and replaces it with BBCode text nodes.
*
* @param DOMDocument $doc
* @param string $tag HTML tag name
* @param array $attributes Array of attributes to match and optionally use the value from
* @param string $startbb BBCode tag opening
* @param string $endbb BBCode tag closing
* @param bool $ignoreChildren If set to false, the HTML tag children will be appended as text inside the BBCode tag
* Otherwise, they will be entirely ignored. Useful for simple BBCode that draw their
* inner value from an attribute value and disregard the tag children.
* @return bool Whether a replacement was done
*/
private static function tagToBBCodeSub(DOMDocument $doc, string $tag, array $attributes, string $startbb, string $endbb, bool $ignoreChildren = false)
{
$savestart = str_replace('$', '\x01', $startbb);
$replace = false;
@ -98,7 +116,7 @@ class HTML
$node->parentNode->insertBefore($StartCode, $node);
if ($node->hasChildNodes()) {
if (!$ignoreChildren && $node->hasChildNodes()) {
/** @var \DOMNode $child */
foreach ($node->childNodes as $key => $child) {
/* Remove empty text nodes at the start or at the end of the children list */
@ -296,14 +314,14 @@ class HTML
self::tagToBBCode($doc, 'a', ['href' => '/mailto:(.+)/'], '[mail=$1]', '[/mail]');
self::tagToBBCode($doc, 'a', ['href' => '/(.+)/'], '[url=$1]', '[/url]');
self::tagToBBCode($doc, 'img', ['src' => '/(.+)/', 'alt' => '/(.+)/'], '[img=$1]$2', '[/img]');
self::tagToBBCode($doc, 'img', ['src' => '/(.+)/', 'width' => '/(\d+)/', 'height' => '/(\d+)/'], '[img=$2x$3]$1', '[/img]');
self::tagToBBCode($doc, 'img', ['src' => '/(.+)/'], '[img]$1', '[/img]');
self::tagToBBCode($doc, 'img', ['src' => '/(.+)/', 'alt' => '/(.+)/'], '[img=$1]$2', '[/img]', true);
self::tagToBBCode($doc, 'img', ['src' => '/(.+)/', 'width' => '/(\d+)/', 'height' => '/(\d+)/'], '[img=$2x$3]$1', '[/img]', true);
self::tagToBBCode($doc, 'img', ['src' => '/(.+)/'], '[img]$1', '[/img]', true);
self::tagToBBCode($doc, 'video', ['src' => '/(.+)/'], '[video]$1', '[/video]');
self::tagToBBCode($doc, 'audio', ['src' => '/(.+)/'], '[audio]$1', '[/audio]');
self::tagToBBCode($doc, 'iframe', ['src' => '/(.+)/'], '[iframe]$1', '[/iframe]');
self::tagToBBCode($doc, 'video', ['src' => '/(.+)/'], '[video]$1', '[/video]', true);
self::tagToBBCode($doc, 'audio', ['src' => '/(.+)/'], '[audio]$1', '[/audio]', true);
self::tagToBBCode($doc, 'iframe', ['src' => '/(.+)/'], '[iframe]$1', '[/iframe]', true);
self::tagToBBCode($doc, 'key', [], '[code]', '[/code]');
self::tagToBBCode($doc, 'code', [], '[code]', '[/code]');

26
tests/src/Content/Text/HTMLTest.php
View file

@ -50,4 +50,30 @@ class HTMLTest extends MockedTest
$this->assertEquals($expected, $output);
}
public function dataHTMLText()
{
return [
'bug-7665-audio-tag' => [
'expectedBBCode' => '[audio]http://www.cendrones.fr/colloque2017/jonathanbocquet.mp3[/audio]',
'html' => '<audio src="http://www.cendrones.fr/colloque2017/jonathanbocquet.mp3" controls="controls"><a href="http://www.cendrones.fr/colloque2017/jonathanbocquet.mp3">http://www.cendrones.fr/colloque2017/jonathanbocquet.mp3</a></audio>',
],
];
}
/**
* Test convert bbcodes to HTML
*
* @dataProvider dataHTMLText
*
* @param string $expectedBBCode Expected BBCode output
* @param string $html HTML text
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
*/
public function testToBBCode($expectedBBCode, $html)
{
$actual = HTML::toBBCode($html);
$this->assertEquals($expectedBBCode, $actual);
}
}