Merge branch 'html-api/breadcrumb-viewer' into html-utils

scan-all-tags.php

@@ -0,0 +1,65 @@
+<?php
+
+require_once __DIR__ . '/src/wp-load.php';
+
+$html = file_get_contents( 'php://stdin' );
+$p    = WP_HTML_Processor::create_fragment( $html );
+
+set_error_handler( function( $err, $msg, $file, $line ) {
+	echo "\e[31mError {$err}: {$msg}\e[90m at \e[33m{$file}\e[90m:\e[33m{$line}\e[m\n";
+	die();
+} );
+
+$budget = PHP_INT_MAX;
+while ( --$budget > 0 ) {
+	if ( ! $p->next_tag() ) {
+		if ( null === $p->get_last_error() ) {
+			echo "\e[90mFinished document \e[34msuccessfully\e[m\n";
+			die();
+		}
+
+		echo "\e[90mAborted document: \e[33m{$p->get_last_error()}\e[m\n";
+		die();
+	}
+
+	$closer = $p->is_tag_closer() ? '/' : '';
+	$voider = WP_HTML_Processor::is_void( $p->get_tag() ) ? '/' : '';
+	$crumbs = [];
+	$last_crumb = null;
+	foreach ( $p->get_breadcrumbs() as $tag ) {
+		if ( $tag !== $last_crumb ) {
+			$crumbs[] = [ $tag, 1 ];
+		} else {
+			$crumb = array_pop( $crumbs );
+			$crumb[1]++;
+			$crumbs[] = $crumb;
+		}
+
+		$last_crumb = $tag;
+	}
+	foreach ( $crumbs as &$c ) {
+		$c = $c[1] === 1 ? $c[0] : "{$c[0]} (x{$c[1]})";
+	}
+	$crumbs = implode( "\e[90m, \e[31m", $crumbs );
+
+	$first_attribute = '';
+	foreach ( $p->get_attribute_names_with_prefix( '' ) ?? array() as $name ) {
+		$value = $p->get_attribute( $name );
+
+		if ( true === $value ) {
+			$first_attribute = " \e[38;2;102;153;0m{$name}\e[38;2;153;153;153m\e[m";
+		} else {
+			$value = str_replace( "\n", "␤", $value );
+			if ( strlen( $value ) > 23 ) {
+				$value = substr( $value, 0, 20 ) . "...";
+			}
+			$first_attribute = " \e[38;2;102;153;0m{$name}\e[38;2;153;153;153m=\"\e[38;2;0;119;170m{$value}\e[38;2;153;153;153m\"\e[m";
+		}
+	}
+
+	$modifiable_text = str_replace( "\n", "␤", $p->get_modifiable_text() );
+	if ( strlen( $modifiable_text ) > 30 ) {
+		$modifiable_text = substr( $modifiable_text, 0, 27 ) . "...";
+	}
+	echo "\e[90mFound \e[36m{$closer}\e[32m{$p->get_tag()}\e[35m{$voider}\e[90m at \e[31m{$crumbs}{$first_attribute}\e[90m {$modifiable_text}\e[m\n";
+}