(function () {
addEventListener("DOMContentLoaded", async function () {
let inherits = [];
await refactorDocument(this.document, new Set(), inherits, new Set());
mergeInherits(inherits);
});
async function refactorDocument(doc, propertiesSet, inherits, fetchUrls) {
refactorSections(doc, propertiesSet, fetchUrls);
refactorSidebar(doc, propertiesSet);
await fetchInherits(doc, propertiesSet, inherits, fetchUrls);
}
function refactorSections(doc, propertiesSet, fetchUrls) {
refactorProperties(doc, propertiesSet, 'implementations');
doc.querySelectorAll('h2').forEach(function (d) {
if (d.id.startsWith('deref-methods')) {
let skipFirst = true;
let insertPoint = d.nextElementSibling.nextElementSibling;
d.querySelectorAll('a.struct').forEach(function (a) {
if (skipFirst) {
skipFirst = false;
return;
}
if (fetchUrls.has(a.href)) {
return;
}
fetchUrls.add(a.href);
let title = doc.createElement('h2');
title.innerHTML = 'Inherits from ' + a.outerHTML;
title.classList.add('inherit-fetch');
insertPoint.parentElement.insertBefore(title, insertPoint);
let section = doc.createElement('div');
section.innerText = 'Loading...';
insertPoint.parentElement.insertBefore(section, insertPoint);
insertPoint = section.nextElementSibling;
a.remove();
});
refactorProperties(doc, propertiesSet, d.id);
}
});
}
function refactorProperties(doc, propertiesSet, sectionId) {
let implementations = doc.getElementById(sectionId);
if (implementations == null) {
return;
}
let implementationsList = implementations.nextSibling;
let isDeref = implementations.innerHTML.indexOf("Methods from") !== -1;
let derefFrom = '';
let derefIdPrefix = '';
if (isDeref) {
let mixCut = sectionId.indexOf('%3C');
if (mixCut !== -1) {
sectionId = sectionId.substring(0, mixCut);
}
derefIdPrefix = sectionId.replace('deref-methods', '');
let structA = implementations.querySelector('span a:nth-of-type(2)').outerHTML;
derefFrom = ' from ' + structA;
implementations.id = sectionId;
implementations.innerHTML = "Methods from " + structA + '<a href="#' + sectionId + '" class="anchor">§</a>';
}
let properties = doc.createElement('h2');
properties.id = 'properties' + derefIdPrefix;
properties.classList.add('small-section-header');
properties.innerHTML = 'Properties' + derefFrom + '<a href="#' + properties.id + '" class="anchor">§</a>';
let propertiesList = doc.createElement('div');
propertiesList.id = 'properties' + derefIdPrefix + '-list';
let insertPoint = doc.querySelector('#properties-insert-pt');
if (insertPoint == null) {
insertPoint = doc.createElement('div');
insertPoint.id = 'properties-insert-pt';
implementations.parentElement.insertBefore(insertPoint, implementations);
}
insertPoint.parentElement.insertBefore(propertiesList, insertPoint);
insertPoint.parentElement.insertBefore(properties, propertiesList);
propertiesList.innerHTML = "<div class='impl-items'></div>";
propertiesList = propertiesList.firstChild;
implementationsList.querySelectorAll("details.method-toggle").forEach(function (e) {
let t = e.querySelector("strong[data-tag='P'],strong[data-tag='c']");
if (t != null) {
let mtdAnchor = e.querySelector('a.fn');
let propertyName = mtdAnchor.innerText;
if (propertiesSet.has(propertyName)) {
e.remove();
} else {
propertiesSet.add(propertyName);
t.remove();
let mtdSignature = mtdAnchor.parentElement;
mtdSignature.innerHTML = mtdSignature.innerHTML
.replace('fn ', '')
.replace('<br> &self,', '')
.replace('&self, ', '') + ';';
propertiesList.appendChild(e);
}
}
});
if (implementationsList.querySelector("section.method") == null) {
implementationsList.remove();
implementations.remove();
} else {
implementationsList.querySelectorAll("details.implementors-toggle").forEach(function (e) {
if (e.querySelector("section.method") == null) {
e.remove();
}
});
}
}
function refactorSidebar(doc, propertiesSet) {
let sideBar = doc.querySelector('div.sidebar-elems section');
let repeats = new Set();
sideBar.querySelectorAll('h3').forEach(function (e) {
if (e.innerText == "Methods" || e.innerText.indexOf("Methods from") !== -1) {
e.firstChild.innerText = e.firstChild.innerText.replace('Deref<Target=', '').replace('>', '');
let mixGenericsCut = e.firstChild.innerText.indexOf('<');
if (mixGenericsCut !== -1) {
e.firstChild.innerText = e.firstChild.innerText.substring(0, mixGenericsCut);
mixGenericsCut = e.firstChild.href.indexOf('%3C');
if (mixGenericsCut !== -1) {
e.firstChild.href = e.firstChild.href.substring(0, mixGenericsCut);
}
}
let mtdList = e.nextSibling;
let propList = doc.createElement('ul');
mtdList.querySelectorAll('a').forEach(function (a) {
if (propertiesSet.has(a.innerText)) {
if (repeats.has(a.innerText)) {
a.remove();
} else {
repeats.add(a.innerText);
propList.appendChild(a.parentElement);
}
}
});
let insertPoint = doc.querySelector('#properties-side-insert-pt');
if (insertPoint == null) {
insertPoint = doc.createElement('div');
insertPoint.id = 'properties-side-insert-pt';
sideBar.insertBefore(insertPoint, e);
}
if (propList.hasChildNodes()) {
propList.classList.add('block');
let title = doc.createElement('h3');
let mtdsFrom = e.querySelector('a').href.indexOf('#deref-methods-');
if (mtdsFrom !== -1) {
let parentName = e.innerText.substring("Methods from ".length);
title.innerHTML = '<a href="#properties-' + parentName + '">Properties from ' + parentName + '</a>';
} else {
title.innerHTML = '<a href="#properties">Properties</a>';
}
sideBar.insertBefore(title, insertPoint);
sideBar.insertBefore(propList, insertPoint);
if (!mtdList.hasChildNodes()) {
mtdList.remove();
e.remove();
}
}
}
});
}
async function fetchInherits(doc, propertiesSet, inherits, fetchUrls) {
for (e of doc.querySelectorAll('h2.inherit-fetch')) {
let page;
let url = e.querySelector('a').href;
let place = e.nextElementSibling;
try {
page = await fetch(url, { redirect: 'follow' });
if (!page.ok) {
throw page.statusText;
}
var parser = new DOMParser();
page = parser.parseFromString(await page.text(), 'text/html');
let refresh = page.head.querySelector("meta[http-equiv='refresh']");
if (refresh != null && refresh.content.startsWith('0;URL=')) {
let url = refresh.content.replace('0;URL=', '');
page = await fetch(url, { redirect: 'follow' });
if (!page.ok) {
throw page.statusText;
}
var parser = new DOMParser();
page = parser.parseFromString(await page.text(), 'text/html');
}
} catch (error) {
console.error("error fetching '" + url + "', " + error);
place.innerText = error;
continue;
}
e.classList.remove('inherit-fetch');
let link = e.querySelector('a').outerHTML;
inherits.push({
link, page, url
});
await refactorDocument(page, propertiesSet, inherits, fetchUrls);
place.remove();
e.remove();
}
}
function mergeInherits(inherits) {
let insertPoint = this.document.getElementById("properties-insert-pt");
let sideInsertPoint = this.document.getElementById("properties-side-insert-pt");
let insertedDocs = [];
inherits.forEach(function (e) {
let side = e.page.querySelector('.sidebar-elems');
let parentProps = e.page.getElementById('properties');
if (parentProps != null) {
let title = this.document.createElement('h2');
title.classList.add("small-section-header");
title.innerHTML = e.link;
let name = title.querySelector('a').innerText;
title.id = 'properties-' + name;
title.innerHTML = "Properties from " + e.link + '<a href="#properties-' + name + '" class="anchor">§</a></h2>';
parentProps.nextElementSibling.id = title.id + "-list";
insertedDocs.push({
url: e.url,
el: parentProps.nextElementSibling,
});
insertPoint.parentElement.insertBefore(title, insertPoint);
insertPoint.parentElement.insertBefore(parentProps.nextElementSibling, insertPoint);
let sideTitle = side.querySelector('h3');
let sideTitleA = sideTitle.querySelector('a');
sideTitleA.innerText = title.innerText;
sideTitleA.href = '#properties-' + name;
let sideList = side.querySelector('ul');
sideInsertPoint.parentElement.insertBefore(sideTitle, sideInsertPoint);
sideInsertPoint.parentElement.insertBefore(sideList, sideInsertPoint);
}
e.page.querySelectorAll('h2.small-section-header').forEach(function (e) {
if (e.id.indexOf('properties-') !== -1) {
let list = e.nextElementSibling;
insertPoint.parentElement.insertBefore(e, insertPoint);
insertPoint.parentElement.insertBefore(list, insertPoint);
}
});
side.querySelectorAll('h3').forEach(function (e) {
if (e.querySelector('a').href.indexOf('#properties-') !== -1) {
let sideList = e.nextElementSibling;
sideInsertPoint.parentElement.insertBefore(e, sideInsertPoint);
sideInsertPoint.parentElement.insertBefore(sideList, sideInsertPoint);
}
});
let methodsInsertPoint = null;
this.document.querySelectorAll('h2.small-section-header').forEach(function (e) {
if (e.id.indexOf('deref-methods-') !== -1) {
methodsInsertPoint = e;
}
});
if (methodsInsertPoint === null) {
let impls = this.document.getElementById('implementations');
if (impls !== null) {
methodsInsertPoint = impls.nextElementSibling.nextElementSibling;
} else {
methodsInsertPoint = insertPoint.nextElementSibling;
}
} else {
methodsInsertPoint = methodsInsertPoint.nextElementSibling.nextElementSibling;
}
let methodsSideInsertPoint = null;
sideInsertPoint.parentElement.querySelectorAll('h3').forEach(function (e) {
let href = e.querySelector('a').href;
if (href.indexOf('#deref-methods-') !== -1 || href.indexOf('#implementations') !== -1) {
methodsSideInsertPoint = e;
}
});
if (methodsSideInsertPoint === null) {
methodsSideInsertPoint = sideInsertPoint.nextElementSibling;
} else {
methodsSideInsertPoint = methodsSideInsertPoint.nextElementSibling.nextElementSibling;
}
let parentMethods = e.page.getElementById('implementations');
if (parentMethods != null) {
let title = this.document.createElement('h2');
title.classList.add("small-section-header");
title.innerHTML = e.link;
let name = title.querySelector('a').innerText;
title.id = 'deref-methods-' + name;
title.innerHTML = "Methods from " + e.link + '<a href="#deref-methods-' + name + '" class="anchor">§</a></h2>';
let mtdList = this.document.createElement('div');
mtdList.classList.add("impl-items");
let mtdNames = new Set();
parentMethods.nextElementSibling.querySelectorAll('details.method-toggle').forEach(function (e) {
let mtd = e.querySelector('h4').innerText;
if (mtd.indexOf('&self') !== -1 || mtd.indexOf('&mut self') !== -1) {
mtdNames.add(e.querySelector('h4 a').innerText);
mtdList.appendChild(e);
}
});
if (mtdNames.size > 0) {
methodsInsertPoint.parentElement.insertBefore(title, methodsInsertPoint);
methodsInsertPoint.parentElement.insertBefore(mtdList, methodsInsertPoint);
insertedDocs.push({
url: e.url,
el: mtdList,
});
let sideList = side.querySelector('a[href="#implementations"]').parentElement.nextElementSibling;
sideList.querySelectorAll('a').forEach(function (a) {
if (!mtdNames.has(a.innerText)) {
a.parentElement.remove();
}
});
let sideTitle = this.document.createElement('h3');
sideTitle.innerHTML = '<a href="#' + title.id + '">Methods from ' + name + '</a>';
methodsSideInsertPoint.parentElement.insertBefore(sideTitle, methodsSideInsertPoint);
methodsSideInsertPoint.parentElement.insertBefore(sideList, methodsSideInsertPoint);
}
}
e.page.querySelectorAll('h2.small-section-header').forEach(function (e) {
if (e.id.indexOf('deref-methods-') !== -1) {
let list = e.nextElementSibling;
methodsInsertPoint.parentElement.insertBefore(e, methodsInsertPoint);
methodsInsertPoint.parentElement.insertBefore(list, methodsInsertPoint);
}
});
side.querySelectorAll('h3').forEach(function (e) {
if (e.querySelector('a').href.indexOf('#deref-methods-') !== -1) {
let sideList = e.nextElementSibling;
methodsSideInsertPoint.parentElement.insertBefore(e, methodsSideInsertPoint);
methodsSideInsertPoint.parentElement.insertBefore(sideList, methodsSideInsertPoint);
}
});
});
insertedDocs.forEach(function (e) {
e.el.querySelectorAll('a').forEach(function (a) {
let href_str = a.getAttribute('href');
if (!href_str.startsWith('#') || this.document.getElementById(href_str.slice(1)) === null) {
let url = new URL(href_str, e.url);
a.setAttribute('href', url.href);
}
});
});
document.querySelectorAll("div[id^='properties-']").forEach(function (e) {
if (e.id.startsWith("properties-") && e.id.endsWith("-list") && e.querySelector('a') === null) {
e.previousSibling.remove();
e.remove();
}
});
}
})();