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index.html
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<!doctype html>
<head>
<meta charset="utf-8">
<link rel="stylesheet" href="./spec.css">
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/8.4/styles/github.min.css">
<script src="./spec.js"></script>
<title>global</title>
<script type="application/json" id="menu-search-biblio">
[{
"type": "term",
"term": "%GlobalThisValue%",
"refId": "sec-other-properties-of-the-global-object-global",
"referencingIds": [],
"namespace": "<no location>",
"location": "",
"key": "%GlobalThisValue%"
}, {
"type": "clause",
"id": "sec-other-properties-of-the-global-object-global",
"aoid": null,
"title": "globalThis",
"titleHTML": "globalThis",
"number": "1.1",
"namespace": "<no location>",
"location": "",
"referencingIds": ["_ref_0", "_ref_3"],
"key": "globalThis"
}, {
"type": "clause",
"id": "sec-other-properties-of-the-global-object",
"aoid": null,
"title": "Other Properties of the Global Object",
"titleHTML": "Other Properties of the Global Object",
"number": "1",
"namespace": "<no location>",
"location": "",
"referencingIds": [],
"key": "Other Properties of the Global Object"
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"type": "table",
"id": "table-7",
"number": 1,
"caption": "Table 1: Well-known Intrinsic Objects",
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"key": "Table 1: Well-known Intrinsic Objects"
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"id": "sec-well-known-intrinsic-objects",
"aoid": null,
"title": "Well-Known Intrinsic Objects",
"titleHTML": "Well-Known Intrinsic Objects",
"number": "2",
"namespace": "<no location>",
"location": "",
"referencingIds": [],
"key": "Well-Known Intrinsic Objects"
}, {
"type": "op",
"aoid": "SetRealmGlobalObject",
"refId": "sec-setrealmglobalobject",
"location": "",
"referencingIds": [],
"key": "SetRealmGlobalObject"
}, {
"type": "clause",
"id": "sec-setrealmglobalobject",
"aoid": "SetRealmGlobalObject",
"title": "SetRealmGlobalObject ( realmRec, globalObj, thisValue )",
"titleHTML": "SetRealmGlobalObject ( <var>realmRec</var>, <var>globalObj</var>, <var>thisValue</var> )",
"number": "3",
"namespace": "<no location>",
"location": "",
"referencingIds": [],
"key": "SetRealmGlobalObject ( realmRec, globalObj, thisValue )"
}, {
"type": "clause",
"id": "sec-copyright-and-software-license",
"aoid": null,
"title": "Copyright & Software License",
"titleHTML": "Copyright & Software License",
"number": "A",
"namespace": "<no location>",
"location": "",
"referencingIds": [],
"key": "Copyright & Software License"
}]
</script>
<script>
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this.biblio.byId = this.biblio.reduce(function(map, entry) {
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return relevance;
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});
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this.$searchBox.value = '';
this.$searchBox.blur();
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Search.prototype.displayResults = function(results) {
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var html = '<ul>';
results.forEach(function(result) {
var entry = result.entry;
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id = entry.id;
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text = entry.key;
cssClass = 'prod';
id = entry.id;
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text = entry.key;
cssClass = 'op';
id = entry.id || entry.refId;
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text = entry.key;
cssClass = 'term';
id = entry.id || entry.refId;
}
if (text) {
html += '<li class=menu-search-result-' + cssClass + '><a href="#' + id + '">' + text + '</a></li>'
}
});
html += '</ul>'
this.$searchResults.innerHTML = html;
} else {
this.$searchResults.innerHTML = '';
this.$searchResults.classList.add('no-results');
}
}
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this.$toggle = document.getElementById('menu-toggle');
this.$menu = document.getElementById('menu');
this.$toc = document.querySelector('menu-toc > ol');
this.$pins = document.querySelector('#menu-pins');
this.$pinList = document.getElementById('menu-pins-list');
this.$toc = document.querySelector('#menu-toc > ol');
this.$specContainer = document.getElementById('spec-container');
this.search = new Search(this);
this._pinnedIds = {};
this.loadPinEntries();
// toggle menu
this.$toggle.addEventListener('click', this.toggle.bind(this));
// keydown events for pinned clauses
document.addEventListener('keydown', this.documentKeydown.bind(this));
// toc expansion
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var $item = tocItems[i];
$item.addEventListener('click', function($item, event) {
$item.classList.toggle('active');
event.stopPropagation();
}.bind(null, $item));
}
// close toc on toc item selection
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for (var i = 0; i < tocLinks.length; i++) {
var $link = tocLinks[i];
$link.addEventListener('click', function(event) {
this.toggle();
event.stopPropagation();
}.bind(this));
}
// update active clause on scroll
window.addEventListener('scroll', debounce(this.updateActiveClause.bind(this)));
this.updateActiveClause();
// prevent menu scrolling from scrolling the body
this.$toc.addEventListener('wheel', function(e) {
var target = e.currentTarget;
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if (offTop) {
e.preventDefault();
}
var offBottom = e.deltaY > 0 &&
target.offsetHeight + target.scrollTop >= target.scrollHeight;
if (offBottom) {
e.preventDefault();
}
})
}
Menu.prototype.documentKeydown = function(e) {
e.stopPropagation();
if (e.keyCode === 80) {
this.togglePinEntry();
} else if (e.keyCode > 48 && e.keyCode < 58) {
this.selectPin(e.keyCode - 49);
}
}
Menu.prototype.updateActiveClause = function() {
this.setActiveClause(findActiveClause(this.$specContainer))
}
Menu.prototype.setActiveClause = function(clause) {
this.$activeClause = clause;
this.revealInToc(this.$activeClause);
}
Menu.prototype.revealInToc = function(path) {
var current = this.$toc.querySelectorAll('li.revealed');
for (var i = 0; i < current.length; i++) {
current[i].classList.remove('revealed');
current[i].classList.remove('revealed-leaf');
}
var current = this.$toc;
var index = 0;
while (index < path.length) {
var children = current.children;
for (var i = 0; i < children.length; i++) {
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children[i].classList.add('revealed');
if (index === path.length - 1) {
children[i].classList.add('revealed-leaf');
var rect = children[i].getBoundingClientRect();
this.$toc.getBoundingClientRect().top
var tocRect = this.$toc.getBoundingClientRect();
if (rect.top + 10 > tocRect.bottom) {
this.$toc.scrollTop = this.$toc.scrollTop + (rect.top - tocRect.bottom) + (rect.bottom - rect.top);
} else if (rect.top < tocRect.top) {
this.$toc.scrollTop = this.$toc.scrollTop - (tocRect.top - rect.top);
}
}
current = children[i].querySelector('ol');
index++;
break;
}
}
}
}
function findActiveClause(root, path) {
var clauses = new ClauseWalker(root);
var $clause;
var found = false;
var path = path || [];
while ($clause = clauses.nextNode()) {
var rect = $clause.getBoundingClientRect();
var $header = $clause.children[0];
var marginTop = parseInt(getComputedStyle($header)["margin-top"]);
if ((rect.top - marginTop) <= 0 && rect.bottom > 0) {
found = true;
return findActiveClause($clause, path.concat($clause)) || path;
}
}
return path;
}
function ClauseWalker(root) {
var previous;
var treeWalker = document.createTreeWalker(
root,
NodeFilter.SHOW_ELEMENT, {
acceptNode: function(node) {
if (previous === node.parentNode) {
return NodeFilter.FILTER_REJECT;
} else {
previous = node;
}
if (node.nodeName === 'EMU-CLAUSE' || node.nodeName === 'EMU-INTRO' || node.nodeName === 'EMU-ANNEX') {
return NodeFilter.FILTER_ACCEPT;
} else {
return NodeFilter.FILTER_SKIP;
}
}
},
false
);
return treeWalker;
}
Menu.prototype.toggle = function() {
this.$menu.classList.toggle('active');
}
Menu.prototype.show = function() {
this.$menu.classList.add('active');
}
Menu.prototype.hide = function() {
this.$menu.classList.remove('active');
}
Menu.prototype.isVisible = function() {
return this.$menu.classList.contains('active');
}
Menu.prototype.showPins = function() {
this.$pins.classList.add('active');
}
Menu.prototype.hidePins = function() {
this.$pins.classList.remove('active');
}
Menu.prototype.addPinEntry = function(id) {
var entry = this.search.biblio.byId[id];
if (!entry) {
// id was deleted after pin (or something) so remove it
delete this._pinnedIds[id];
this.persistPinEntries();
return;
}
if (entry.type === 'clause') {
var prefix;
if (entry.number) {
prefix = entry.number + ' ';
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prefix = '';
}
this.$pinList.innerHTML += '<li><a href="#' + entry.id + '">' + prefix + entry.titleHTML + '</a></li>';
} else {
this.$pinList.innerHTML += '<li><a href="#' + entry.id + '">' + entry.key + '</a></li>';
}
if (Object.keys(this._pinnedIds).length === 0) {
this.showPins();
}
this._pinnedIds[id] = true;
this.persistPinEntries();
}
Menu.prototype.removePinEntry = function(id) {
var item = this.$pinList.querySelector('a[href="#' + id + '"]').parentNode;
this.$pinList.removeChild(item);
delete this._pinnedIds[id];
if (Object.keys(this._pinnedIds).length === 0) {
this.hidePins();
}
this.persistPinEntries();
}
Menu.prototype.persistPinEntries = function() {
try {
if (!window.localStorage) return;
} catch (e) {
return;
}
localStorage.pinEntries = JSON.stringify(Object.keys(this._pinnedIds));
}
Menu.prototype.loadPinEntries = function() {
try {
if (!window.localStorage) return;
} catch (e) {
return;
}
var pinsString = window.localStorage.pinEntries;
if (!pinsString) return;
var pins = JSON.parse(pinsString);
for (var i = 0; i < pins.length; i++) {
this.addPinEntry(pins[i]);
}
}
Menu.prototype.togglePinEntry = function(id) {
if (!id) {
id = this.$activeClause[this.$activeClause.length - 1].id;
}
if (this._pinnedIds[id]) {
this.removePinEntry(id);
} else {
this.addPinEntry(id);
}
}
Menu.prototype.selectPin = function(num) {
document.location = this.$pinList.children[num].children[0].href;
}
var menu;
function init() {
menu = new Menu();
var $container = document.getElementById('spec-container');
$container.addEventListener('mouseover', debounce(function(e) {
Toolbox.activateIfMouseOver(e);
}));
}
document.addEventListener('DOMContentLoaded', init);
function debounce(fn, opts) {
opts = opts || {};
var timeout;
return function(e) {
if (opts.stopPropagation) {
e.stopPropagation();
}
var args = arguments;
if (timeout) {
clearTimeout(timeout);
}
timeout = setTimeout(function() {
timeout = null;
fn.apply(this, args);
}.bind(this), 150);
}
}
var CLAUSE_NODES = ['EMU-CLAUSE', 'EMU-INTRO', 'EMU-ANNEX'];
function findLocalReferences($elem) {
var name = $elem.innerHTML;
var references = [];
var parentClause = $elem.parentNode;
while (parentClause && CLAUSE_NODES.indexOf(parentClause.nodeName) === -1) {
parentClause = parentClause.parentNode;
}
if (!parentClause) return;
var vars = parentClause.querySelectorAll('var');
for (var i = 0; i < vars.length; i++) {
var $var = vars[i];
if ($var.innerHTML === name) {
references.push($var);
}
}
return references;
}
function toggleFindLocalReferences($elem) {
var references = findLocalReferences($elem);
if ($elem.classList.contains('referenced')) {
references.forEach(function($reference) {
$reference.classList.remove('referenced');
});
} else {
references.forEach(function($reference) {
$reference.classList.add('referenced');
});
}
}
function installFindLocalReferences() {
document.addEventListener('click', function(e) {
if (e.target.nodeName === 'VAR') {
toggleFindLocalReferences(e.target);
}
});
}
document.addEventListener('DOMContentLoaded', installFindLocalReferences);
// The following license applies to the fuzzysearch function
// The MIT License (MIT)
// Copyright © 2015 Nicolas Bevacqua
// Copyright © 2016 Brian Terlson
// Permission is hereby granted, free of charge, to any person obtaining a copy of
// this software and associated documentation files (the "Software"), to deal in
// the Software without restriction, including without limitation the rights to
// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
// the Software, and to permit persons to whom the Software is furnished to do so,
// subject to the following conditions:
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
function fuzzysearch(searchString, haystack, caseInsensitive) {
var tlen = haystack.length;
var qlen = searchString.length;
var chunks = 1;
var finding = false;
var prefix = true;
if (qlen > tlen) {
return false;
}
if (qlen === tlen) {
if (searchString === haystack) {
return {
caseMatch: true,
chunks: 1,
prefix: true
};
} else if (searchString.toLowerCase() === haystack.toLowerCase()) {
return {
caseMatch: false,
chunks: 1,
prefix: true
};
} else {
return false;
}
}
outer: for (var i = 0, j = 0; i < qlen; i++) {
var nch = searchString[i];
while (j < tlen) {
var targetChar = haystack[j++];
if (targetChar === nch) {
finding = true;
continue outer;
}
if (finding) {
chunks++;
finding = false;
}
}
if (caseInsensitive) {
return false
}
return fuzzysearch(searchString.toLowerCase(), haystack.toLowerCase(), true);
}
return {
caseMatch: !caseInsensitive,
chunks: chunks,
prefix: j <= qlen
};
}
var Toolbox = {
init: function() {
this.$container = document.createElement('div');
this.$container.classList.add('toolbox');
this.$permalink = document.createElement('a');
this.$permalink.textContent = 'Permalink';
this.$pinLink = document.createElement('a');
this.$pinLink.textContent = 'Pin';
this.$pinLink.setAttribute('href', '#');
this.$pinLink.addEventListener('click', function(e) {
e.preventDefault();
e.stopPropagation();
menu.togglePinEntry(this.entry.id);
}.bind(this));
this.$refsLink = document.createElement('a');
this.$refsLink.setAttribute('href', '#');
this.$refsLink.addEventListener('click', function(e) {
e.preventDefault();
e.stopPropagation();
referencePane.showReferencesFor(this.entry);
}.bind(this));
this.$container.appendChild(this.$permalink);
this.$container.appendChild(this.$pinLink);
this.$container.appendChild(this.$refsLink);
document.body.appendChild(this.$container);
},
activate: function(el, entry, target) {
if (el === this._activeEl) return;
this.active = true;
this.entry = entry;
this.$container.classList.add('active');
this.top = el.offsetTop - this.$container.offsetHeight - 10;
this.left = el.offsetLeft;
this.$container.setAttribute('style', 'left: ' + this.left + 'px; top: ' + this.top + 'px');
this.updatePermalink();
this.updateReferences();
this._activeEl = el;
if (this.top < document.body.scrollTop && el === target) {
// don't scroll unless it's a small thing (< 200px)
this.$container.scrollIntoView();
}
},
updatePermalink: function() {
this.$permalink.setAttribute('href', '#' + this.entry.id);
},
updateReferences: function() {
this.$refsLink.textContent = 'References (' + this.entry.referencingIds.length + ')';
},
activateIfMouseOver: function(e) {
var ref = this.findReferenceUnder(e.target);
if (ref && (!this.active || e.pageY > this._activeEl.offsetTop)) {
var entry = menu.search.biblio.byId[ref.id];
this.activate(ref.element, entry, e.target);
} else if (this.active && ((e.pageY < this.top) || e.pageY > (this._activeEl.offsetTop + this._activeEl.offsetHeight))) {
this.deactivate();
}
},
findReferenceUnder: function(el) {
while (el) {
var parent = el.parentNode;
if (el.nodeName === 'H1' && parent.nodeName.match(/EMU-CLAUSE|EMU-ANNEX|EMU-INTRO/) && parent.id) {
return {
element: el,
id: parent.id
};
} else if (el.nodeName.match(/EMU-(?!CLAUSE|XREF|ANNEX|INTRO)|DFN/) &&
el.id && el.id[0] !== '_') {
if (el.nodeName === 'EMU-FIGURE' || el.nodeName === 'EMU-TABLE' || el.nodeName === 'EMU-EXAMPLE') {
// return the figcaption element
return {
element: el.children[0].children[0],
id: el.id
};
} else if (el.nodeName === 'EMU-PRODUCTION') {
// return the LHS non-terminal element
return {
element: el.children[0],
id: el.id
};
} else {
return {
element: el,
id: el.id
};
}
}
el = parent;
}
},
deactivate: function() {
this.$container.classList.remove('active');
this._activeEl = null;
this.activeElBounds = null;
this.active = false;
}
}
var referencePane = {
init: function() {
this.$container = document.createElement('div');
this.$container.setAttribute('id', 'references-pane-container');
var $spacer = document.createElement('div');
$spacer.setAttribute('id', 'references-pane-spacer');
this.$pane = document.createElement('div');
this.$pane.setAttribute('id', 'references-pane');
this.$container.appendChild($spacer);
this.$container.appendChild(this.$pane);
this.$header = document.createElement('div');
this.$header.classList.add('menu-pane-header');
this.$header.textContent = 'References to ';
this.$headerRefId = document.createElement('a');
this.$header.appendChild(this.$headerRefId);
this.$closeButton = document.createElement('span');
this.$closeButton.setAttribute('id', 'references-pane-close');
this.$closeButton.addEventListener('click', function(e) {
this.deactivate();
}.bind(this));
this.$header.appendChild(this.$closeButton);
this.$pane.appendChild(this.$header);
var tableContainer = document.createElement('div');
tableContainer.setAttribute('id', 'references-pane-table-container');
this.$table = document.createElement('table');
this.$table.setAttribute('id', 'references-pane-table');
this.$tableBody = this.$table.createTBody();
tableContainer.appendChild(this.$table);
this.$pane.appendChild(tableContainer);
menu.$specContainer.appendChild(this.$container);
},
activate: function() {
this.$container.classList.add('active');
},
deactivate: function() {
this.$container.classList.remove('active');
},
showReferencesFor(entry) {
this.activate();
var newBody = document.createElement('tbody');
var previousId;
var previousCell;
var dupCount = 0;
this.$headerRefId.textContent = '#' + entry.id;
this.$headerRefId.setAttribute('href', '#' + entry.id);
entry.referencingIds.map(function(id) {
var target = document.getElementById(id);
var cid = findParentClauseId(target);
var clause = menu.search.biblio.byId[cid];
var dupCount = 0;
return {
id: id,
clause: clause
}
}).sort(function(a, b) {
return sortByClauseNumber(a.clause, b.clause);
}).forEach(function(record, i) {
if (previousId === record.clause.id) {
previousCell.innerHTML += ' (<a href="#' + record.id + '">' + (dupCount + 2) + '</a>)';
dupCount++;
} else {
var row = newBody.insertRow();
var cell = row.insertCell();
cell.innerHTML = record.clause.number;
cell = row.insertCell();
cell.innerHTML = '<a href="#' + record.id + '">' + record.clause.titleHTML + '</a>';
previousCell = cell;
previousId = record.clause.id;
dupCount = 0;
}
}, this);
this.$table.removeChild(this.$tableBody);
this.$tableBody = newBody;
this.$table.appendChild(this.$tableBody);
}
}
function findParentClauseId(node) {
while (node && node.nodeName !== 'EMU-CLAUSE' && node.nodeName !== 'EMU-INTRO' && node.nodeName !== 'EMU-ANNEX') {
node = node.parentNode;
}
if (!node) return null;
return node.getAttribute('id');
}
function sortByClauseNumber(c1, c2) {
var c1c = c1.number.split('.');
var c2c = c2.number.split('.');
for (var i = 0; i < c1c.length; i++) {
if (i >= c2c.length) {
return 1;
}
var c1 = c1c[i];
var c2 = c2c[i];
var c1cn = Number(c1);
var c2cn = Number(c2);
if (Number.isNaN(c1cn) && Number.isNaN(c2cn)) {
if (c1 > c2) {
return 1;
} else if (c1 < c2) {
return -1;
}
} else if (!Number.isNaN(c1cn) && Number.isNaN(c2cn)) {
return -1;
} else if (Number.isNaN(c1cn) && !Number.isNaN(c2cn)) {
return 1;
} else if (c1cn > c2cn) {
return 1;
} else if (c1cn < c2cn) {
return -1;
}
}
if (c1c.length === c2c.length) {
return 0;
}
return -1;
}
document.addEventListener('DOMContentLoaded', function() {
Toolbox.init();
referencePane.init();
})
var CLAUSE_NODES = ['EMU-CLAUSE', 'EMU-INTRO', 'EMU-ANNEX'];
function findLocalReferences($elem) {
var name = $elem.innerHTML;
var references = [];
var parentClause = $elem.parentNode;
while (parentClause && CLAUSE_NODES.indexOf(parentClause.nodeName) === -1) {
parentClause = parentClause.parentNode;
}
if (!parentClause) return;
var vars = parentClause.querySelectorAll('var');
for (var i = 0; i < vars.length; i++) {
var $var = vars[i];
if ($var.innerHTML === name) {