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Drop Pair util class
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@kevmoo
kevmoo committed Aug 28, 2024
1 parent acafe39 commit 46919c7
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Showing 4 changed files with 131 additions and 146 deletions.
8 changes: 4 additions & 4 deletions lib/parser.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -235,13 +235,13 @@ class HtmlParser {
return enc == 'text/html' || enc == 'application/xhtml+xml';
} else {
return htmlIntegrationPointElements
.contains(Pair(element.namespaceUri, element.localName));
.contains((element.namespaceUri, element.localName));
}
}

bool isMathMLTextIntegrationPoint(Element element) {
return mathmlTextIntegrationPointElements
.contains(Pair(element.namespaceUri, element.localName));
.contains((element.namespaceUri, element.localName));
}

bool inForeignContent(Token token, int type) {
Expand Down Expand Up @@ -3965,7 +3965,7 @@ class ParseError implements SourceSpanException {
}

/// Convenience function to get the pair of namespace and localName.
Pair<String, String?> getElementNameTuple(Element e) {
(String, String?) getElementNameTuple(Element e) {
final ns = e.namespaceUri ?? Namespaces.html;
return Pair(ns, e.localName);
return (ns, e.localName);
}
238 changes: 119 additions & 119 deletions lib/src/constants.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -258,139 +258,139 @@ class Namespaces {
}
}

const List<Pair<String, String>> scopingElements = [
Pair(Namespaces.html, 'applet'),
Pair(Namespaces.html, 'caption'),
Pair(Namespaces.html, 'html'),
Pair(Namespaces.html, 'marquee'),
Pair(Namespaces.html, 'object'),
Pair(Namespaces.html, 'table'),
Pair(Namespaces.html, 'td'),
Pair(Namespaces.html, 'th'),
Pair(Namespaces.mathml, 'mi'),
Pair(Namespaces.mathml, 'mo'),
Pair(Namespaces.mathml, 'mn'),
Pair(Namespaces.mathml, 'ms'),
Pair(Namespaces.mathml, 'mtext'),
Pair(Namespaces.mathml, 'annotation-xml'),
Pair(Namespaces.svg, 'foreignObject'),
Pair(Namespaces.svg, 'desc'),
Pair(Namespaces.svg, 'title')
const List<(String, String)> scopingElements = [
(Namespaces.html, 'applet'),
(Namespaces.html, 'caption'),
(Namespaces.html, 'html'),
(Namespaces.html, 'marquee'),
(Namespaces.html, 'object'),
(Namespaces.html, 'table'),
(Namespaces.html, 'td'),
(Namespaces.html, 'th'),
(Namespaces.mathml, 'mi'),
(Namespaces.mathml, 'mo'),
(Namespaces.mathml, 'mn'),
(Namespaces.mathml, 'ms'),
(Namespaces.mathml, 'mtext'),
(Namespaces.mathml, 'annotation-xml'),
(Namespaces.svg, 'foreignObject'),
(Namespaces.svg, 'desc'),
(Namespaces.svg, 'title')
];

const formattingElements = [
Pair(Namespaces.html, 'a'),
Pair(Namespaces.html, 'b'),
Pair(Namespaces.html, 'big'),
Pair(Namespaces.html, 'code'),
Pair(Namespaces.html, 'em'),
Pair(Namespaces.html, 'font'),
Pair(Namespaces.html, 'i'),
Pair(Namespaces.html, 'nobr'),
Pair(Namespaces.html, 's'),
Pair(Namespaces.html, 'small'),
Pair(Namespaces.html, 'strike'),
Pair(Namespaces.html, 'strong'),
Pair(Namespaces.html, 'tt'),
Pair(Namespaces.html, '')
(Namespaces.html, 'a'),
(Namespaces.html, 'b'),
(Namespaces.html, 'big'),
(Namespaces.html, 'code'),
(Namespaces.html, 'em'),
(Namespaces.html, 'font'),
(Namespaces.html, 'i'),
(Namespaces.html, 'nobr'),
(Namespaces.html, 's'),
(Namespaces.html, 'small'),
(Namespaces.html, 'strike'),
(Namespaces.html, 'strong'),
(Namespaces.html, 'tt'),
(Namespaces.html, '')
];

const specialElements = [
Pair(Namespaces.html, 'address'),
Pair(Namespaces.html, 'applet'),
Pair(Namespaces.html, 'area'),
Pair(Namespaces.html, 'article'),
Pair(Namespaces.html, 'aside'),
Pair(Namespaces.html, 'base'),
Pair(Namespaces.html, 'basefont'),
Pair(Namespaces.html, 'bgsound'),
Pair(Namespaces.html, 'blockquote'),
Pair(Namespaces.html, 'body'),
Pair(Namespaces.html, 'br'),
Pair(Namespaces.html, 'button'),
Pair(Namespaces.html, 'caption'),
Pair(Namespaces.html, 'center'),
Pair(Namespaces.html, 'col'),
Pair(Namespaces.html, 'colgroup'),
Pair(Namespaces.html, 'command'),
Pair(Namespaces.html, 'dd'),
Pair(Namespaces.html, 'details'),
Pair(Namespaces.html, 'dir'),
Pair(Namespaces.html, 'div'),
Pair(Namespaces.html, 'dl'),
Pair(Namespaces.html, 'dt'),
Pair(Namespaces.html, 'embed'),
Pair(Namespaces.html, 'fieldset'),
Pair(Namespaces.html, 'figure'),
Pair(Namespaces.html, 'footer'),
Pair(Namespaces.html, 'form'),
Pair(Namespaces.html, 'frame'),
Pair(Namespaces.html, 'frameset'),
Pair(Namespaces.html, 'h1'),
Pair(Namespaces.html, 'h2'),
Pair(Namespaces.html, 'h3'),
Pair(Namespaces.html, 'h4'),
Pair(Namespaces.html, 'h5'),
Pair(Namespaces.html, 'h6'),
Pair(Namespaces.html, 'head'),
Pair(Namespaces.html, 'header'),
Pair(Namespaces.html, 'hr'),
Pair(Namespaces.html, 'html'),
Pair(Namespaces.html, 'iframe'),
(Namespaces.html, 'address'),
(Namespaces.html, 'applet'),
(Namespaces.html, 'area'),
(Namespaces.html, 'article'),
(Namespaces.html, 'aside'),
(Namespaces.html, 'base'),
(Namespaces.html, 'basefont'),
(Namespaces.html, 'bgsound'),
(Namespaces.html, 'blockquote'),
(Namespaces.html, 'body'),
(Namespaces.html, 'br'),
(Namespaces.html, 'button'),
(Namespaces.html, 'caption'),
(Namespaces.html, 'center'),
(Namespaces.html, 'col'),
(Namespaces.html, 'colgroup'),
(Namespaces.html, 'command'),
(Namespaces.html, 'dd'),
(Namespaces.html, 'details'),
(Namespaces.html, 'dir'),
(Namespaces.html, 'div'),
(Namespaces.html, 'dl'),
(Namespaces.html, 'dt'),
(Namespaces.html, 'embed'),
(Namespaces.html, 'fieldset'),
(Namespaces.html, 'figure'),
(Namespaces.html, 'footer'),
(Namespaces.html, 'form'),
(Namespaces.html, 'frame'),
(Namespaces.html, 'frameset'),
(Namespaces.html, 'h1'),
(Namespaces.html, 'h2'),
(Namespaces.html, 'h3'),
(Namespaces.html, 'h4'),
(Namespaces.html, 'h5'),
(Namespaces.html, 'h6'),
(Namespaces.html, 'head'),
(Namespaces.html, 'header'),
(Namespaces.html, 'hr'),
(Namespaces.html, 'html'),
(Namespaces.html, 'iframe'),
// Note that image is commented out in the spec as "this isn't an
// element that can end up on the stack, so it doesn't matter,"
Pair(Namespaces.html, 'image'),
Pair(Namespaces.html, 'img'),
Pair(Namespaces.html, 'input'),
Pair(Namespaces.html, 'isindex'),
Pair(Namespaces.html, 'li'),
Pair(Namespaces.html, 'link'),
Pair(Namespaces.html, 'listing'),
Pair(Namespaces.html, 'marquee'),
Pair(Namespaces.html, 'men'),
Pair(Namespaces.html, 'meta'),
Pair(Namespaces.html, 'nav'),
Pair(Namespaces.html, 'noembed'),
Pair(Namespaces.html, 'noframes'),
Pair(Namespaces.html, 'noscript'),
Pair(Namespaces.html, 'object'),
Pair(Namespaces.html, 'ol'),
Pair(Namespaces.html, 'p'),
Pair(Namespaces.html, 'param'),
Pair(Namespaces.html, 'plaintext'),
Pair(Namespaces.html, 'pre'),
Pair(Namespaces.html, 'script'),
Pair(Namespaces.html, 'section'),
Pair(Namespaces.html, 'select'),
Pair(Namespaces.html, 'style'),
Pair(Namespaces.html, 'table'),
Pair(Namespaces.html, 'tbody'),
Pair(Namespaces.html, 'td'),
Pair(Namespaces.html, 'textarea'),
Pair(Namespaces.html, 'tfoot'),
Pair(Namespaces.html, 'th'),
Pair(Namespaces.html, 'thead'),
Pair(Namespaces.html, 'title'),
Pair(Namespaces.html, 'tr'),
Pair(Namespaces.html, 'ul'),
Pair(Namespaces.html, 'wbr'),
Pair(Namespaces.html, 'xmp'),
Pair(Namespaces.svg, 'foreignObject')
(Namespaces.html, 'image'),
(Namespaces.html, 'img'),
(Namespaces.html, 'input'),
(Namespaces.html, 'isindex'),
(Namespaces.html, 'li'),
(Namespaces.html, 'link'),
(Namespaces.html, 'listing'),
(Namespaces.html, 'marquee'),
(Namespaces.html, 'men'),
(Namespaces.html, 'meta'),
(Namespaces.html, 'nav'),
(Namespaces.html, 'noembed'),
(Namespaces.html, 'noframes'),
(Namespaces.html, 'noscript'),
(Namespaces.html, 'object'),
(Namespaces.html, 'ol'),
(Namespaces.html, 'p'),
(Namespaces.html, 'param'),
(Namespaces.html, 'plaintext'),
(Namespaces.html, 'pre'),
(Namespaces.html, 'script'),
(Namespaces.html, 'section'),
(Namespaces.html, 'select'),
(Namespaces.html, 'style'),
(Namespaces.html, 'table'),
(Namespaces.html, 'tbody'),
(Namespaces.html, 'td'),
(Namespaces.html, 'textarea'),
(Namespaces.html, 'tfoot'),
(Namespaces.html, 'th'),
(Namespaces.html, 'thead'),
(Namespaces.html, 'title'),
(Namespaces.html, 'tr'),
(Namespaces.html, 'ul'),
(Namespaces.html, 'wbr'),
(Namespaces.html, 'xmp'),
(Namespaces.svg, 'foreignObject')
];

const htmlIntegrationPointElements = [
Pair(Namespaces.mathml, 'annotaion-xml'),
Pair(Namespaces.svg, 'foreignObject'),
Pair(Namespaces.svg, 'desc'),
Pair(Namespaces.svg, 'title')
(Namespaces.mathml, 'annotaion-xml'),
(Namespaces.svg, 'foreignObject'),
(Namespaces.svg, 'desc'),
(Namespaces.svg, 'title')
];

const mathmlTextIntegrationPointElements = [
Pair(Namespaces.mathml, 'mi'),
Pair(Namespaces.mathml, 'mo'),
Pair(Namespaces.mathml, 'mn'),
Pair(Namespaces.mathml, 'ms'),
Pair(Namespaces.mathml, 'mtext')
(Namespaces.mathml, 'mi'),
(Namespaces.mathml, 'mo'),
(Namespaces.mathml, 'mn'),
(Namespaces.mathml, 'ms'),
(Namespaces.mathml, 'mtext')
];

const spaceCharacters = ' \n\r\t\u000C';
Expand Down
17 changes: 8 additions & 9 deletions lib/src/treebuilder.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -10,7 +10,6 @@ import '../parser.dart' show getElementNameTuple;
import 'constants.dart';
import 'list_proxy.dart';
import 'token.dart';
import 'utils.dart';

/// Open elements in the formatting category, most recent element last.
///
Expand Down Expand Up @@ -113,29 +112,29 @@ class TreeBuilder {
final exactNode = target is Node;

var listElements1 = scopingElements;
var listElements2 = const <Pair<String, String>>[];
var listElements2 = const <(String, String)>[];
var invert = false;
if (variant != null) {
switch (variant) {
case 'button':
listElements2 = const [Pair(Namespaces.html, 'button')];
listElements2 = const [(Namespaces.html, 'button')];
break;
case 'list':
listElements2 = const [
Pair(Namespaces.html, 'ol'),
Pair(Namespaces.html, 'ul')
(Namespaces.html, 'ol'),
(Namespaces.html, 'ul')
];
break;
case 'table':
listElements1 = const [
Pair(Namespaces.html, 'html'),
Pair(Namespaces.html, 'table')
(Namespaces.html, 'html'),
(Namespaces.html, 'table')
];
break;
case 'select':
listElements1 = const [
Pair(Namespaces.html, 'optgroup'),
Pair(Namespaces.html, 'option')
(Namespaces.html, 'optgroup'),
(Namespaces.html, 'option')
];
invert = true;
break;
Expand Down
14 changes: 0 additions & 14 deletions lib/src/utils.dart
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Original file line number Diff line number Diff line change
@@ -1,19 +1,5 @@
import 'constants.dart';

class Pair<F, S> {
final F first;
final S second;

const Pair(this.first, this.second);

@override
int get hashCode => 37 * first.hashCode + second.hashCode;

@override
bool operator ==(Object other) =>
other is Pair && other.first == first && other.second == second;
}

bool startsWithAny(String str, List<String> prefixes) =>
prefixes.any(str.startsWith);

Expand Down

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