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TraceFormatter.php
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TraceFormatter.php
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<?php
namespace Wikimedia\RemexHtml\TreeBuilder;
use Wikimedia\RemexHtml\Serializer\SerializerNode;
use Wikimedia\RemexHtml\Tokenizer\Attributes;
class TraceFormatter {
/**
* Get a debug tag for an element or null
*
* @param Element|SerializerNode|null $element
* @return string
*/
public static function getDebugTag( $element ) {
if ( !$element ) {
return '';
} elseif ( $element instanceof Element || $element instanceof SerializerNode ) {
return $element->getDebugTag();
} else {
return get_class( $element ) . '#' . substr( md5( spl_object_hash( $element ) ), 0, 8 );
}
}
/**
* Get a short excerpt of some text
*
* @param string $text
* @return string
*/
public static function excerpt( $text ) {
if ( strlen( $text ) > 20 ) {
$text = substr( $text, 0, 20 ) . '...';
}
return str_replace( "\n", "\\n", $text );
}
/**
* Get a readable version of the TreeBuilder preposition constants
* @param int $prep
* @return string
*/
public static function getPrepositionName( $prep ) {
$names = [
TreeBuilder::BEFORE => 'before',
TreeBuilder::UNDER => 'under',
TreeBuilder::ROOT => 'under root'
];
return $names[$prep] ?? '???';
}
public static function startDocument( $fns, $fn ) {
return "startDocument";
}
public static function endDocument( $pos ) {
return "endDocument pos=$pos";
}
public static function characters( $preposition, $refNode, $text, $start, $length,
$sourceStart, $sourceLength
) {
$excerpt = self::excerpt( substr( $text, $start, $length ) );
$prepName = self::getPrepositionName( $preposition );
$refTag = self::getDebugTag( $refNode );
return "characters \"$excerpt\", $prepName $refTag, pos=$sourceStart, len=$sourceLength";
}
public static function insertElement( $preposition, $refNode, Element $element, $void,
$sourceStart, $sourceLength
) {
$prepName = self::getPrepositionName( $preposition );
$refTag = self::getDebugTag( $refNode );
$elementTag = self::getDebugTag( $element );
$voidMsg = $void ? 'void' : '';
return "insert $elementTag $voidMsg, $prepName $refTag, pos=$sourceStart, len=$sourceLength";
}
public static function endTag( Element $element, $sourceStart, $sourceLength ) {
$elementTag = self::getDebugTag( $element );
return "end $elementTag, pos=$sourceStart, len=$sourceLength";
}
public static function doctype( $name, $public, $system, $quirks, $sourceStart, $sourceLength
) {
$quirksTypes = [
TreeBuilder::QUIRKS => 'quirks',
TreeBuilder::NO_QUIRKS => 'no-quirks',
TreeBuilder::LIMITED_QUIRKS => 'limited-quirks'
];
$quirksMsg = $quirksTypes[$quirks];
return "doctype $name, public=\"$public\", system=\"$system\", " .
"$quirksMsg, pos=$sourceStart, len=$sourceLength";
}
public static function comment( $preposition, $refNode, $text, $sourceStart, $sourceLength ) {
$prepName = self::getPrepositionName( $preposition );
$refTag = self::getDebugTag( $refNode );
$excerpt = self::excerpt( $text );
return "comment \"$excerpt\", $prepName $refTag, pos=$sourceStart, len=$sourceLength";
}
public static function error( $text, $pos ) {
return "error \"$text\", pos=$pos";
}
public static function mergeAttributes( Element $element, Attributes $attrs, $sourceStart ) {
$elementTag = self::getDebugTag( $element );
return "merge $elementTag, pos=$sourceStart";
}
public static function removeNode( Element $element, $sourceStart ) {
$elementTag = self::getDebugTag( $element );
return "remove $elementTag, pos=$sourceStart";
}
public static function reparentChildren( Element $element, Element $newParent, $sourceStart ) {
$elementTag = self::getDebugTag( $element );
$newParentTag = self::getDebugTag( $newParent );
return "reparent children of $elementTag under $newParentTag, pos=$sourceStart";
}
}

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text/x-php
Expires
Fri, Jul 3, 20:55 (1 d, 7 h)
Storage Engine
local-disk
Storage Format
Raw Data
Storage Handle
5b/17/1add90df16ec8a275ec386da08c7
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TraceFormatter.php (3 KB)

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