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Yet more property parsing

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This commit is contained in:
J. King 2023-06-11 22:34:03 -04:00
parent 83b862d126
commit 8b9d703a0a
1 changed files with 31 additions and 1 deletions
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32
lib/Parser.php
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@ -268,6 +268,15 @@ class Parser {
} elseif (in_array($node->localName, ["abbr", "link"]) && $node->hasAttribute("title")) {
# If abbr.p-x[title] or link.p-x[title], return the title attribute.
return $node->getAttribute("href");
} elseif (in_array($node->localName, ["data", "input"]) && $node->hasAttribute("value")) {
# else if data.p-x[value] or input.p-x[value], then return the value attribute
return $node->getAttribute("value");
} elseif (in_array($node->localName, ["img", "area"]) && $node->hasAttribute("alt")) {
# else if img.p-x[alt] or area.p-x[alt], then return the alt attribute
return $node->getAttribute("alt");
} else {
# else return the textContent of the element after
return $this->getCleanText($node, $prefix);
}
case "u":
# To parse an element for a u-x property value (whether explicit u-* or backcompat equivalent):
@ -296,7 +305,7 @@ class Parser {
# else if data.u-x[value] or input.u-x[value], then get the value attribute
return $this->normalizeUrl($node->getAttribute("value"));
} else {
return $this->normalizeUrl($this->getCleanText($node));
return $this->getCleanText($node, $prefix);
}
case "dt":
// TODO
@ -309,6 +318,27 @@ class Parser {
}
}
protected function getCleanText(\DOMElement $node, string $prefix): string {
$copy = $node->cloneNode(true);
foreach ($copy->getElementsByTagName("script") as $e) {
$e->parentNode->removeChild($e);
}
foreach ($copy->getElementsByTagName("style") as $e) {
$e->parentNode->removeChild($e);
}
foreach ($copy->getElementsByTagName("img") as $e) {
$alt = $e->getAttribute("alt");
$src = $e->hasAttribute("src") ? $this->normalizeUrl($e->getAttribute("src")) : "";
if ($prefix === "u") {
$attr = strlen($src) ? $src : "";
} else {
$attr = strlen($alt) ? $alt : $src;
}
$e->parentNode->replaceChild($e->ownerDocument->createTextNode(" ".$attr." "), $e);
}
return trim($copy->textContent);
}
/** Finds the next node in tree order after $node, if any
*
* @param \DOMNode $node The context node