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added code for chapter 2

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This commit is contained in:
Carl Fredrik Samson
2020-01-25 20:20:43 +01:00
parent 7ad6a3986e
commit 7cf660c1f1
28 changed files with 2079 additions and 147 deletions
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145
book/book.js
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@@ -16,9 +16,6 @@ function playpen_text(playpen) {
}
(function codeSnippets() {
// Hide Rust code lines prepended with a specific character
var hiding_character = "#";
function fetch_with_timeout(url, options, timeout = 6000) {
return Promise.race([
fetch(url, options),
@@ -55,6 +52,15 @@ function playpen_text(playpen) {
editor.addEventListener("change", function (e) {
update_play_button(playpen_block, playground_crates);
});
// add Ctrl-Enter command to execute rust code
editor.commands.addCommand({
name: "run",
bindKey: {
win: "Ctrl-Enter",
mac: "Ctrl-Enter"
},
exec: _editor => run_rust_code(playpen_block)
});
}
}
}
@@ -161,95 +167,59 @@ function playpen_text(playpen) {
Array.from(document.querySelectorAll("code.language-rust")).forEach(function (block) {
var code_block = block;
var pre_block = block.parentNode;
// hide lines
var lines = code_block.innerHTML.split("\n");
var first_non_hidden_line = false;
var lines_hidden = false;
var trimmed_line = "";
for (var n = 0; n < lines.length; n++) {
trimmed_line = lines[n].trim();
if (trimmed_line[0] == hiding_character && trimmed_line[1] != hiding_character) {
if (first_non_hidden_line) {
lines[n] = "<span class=\"hidden\">" + "\n" + lines[n].replace(/(\s*)# ?/, "$1") + "</span>";
}
else {
lines[n] = "<span class=\"hidden\">" + lines[n].replace(/(\s*)# ?/, "$1") + "\n" + "</span>";
}
lines_hidden = true;
}
else if (first_non_hidden_line) {
lines[n] = "\n" + lines[n];
}
else {
first_non_hidden_line = true;
}
if (trimmed_line[0] == hiding_character && trimmed_line[1] == hiding_character) {
lines[n] = lines[n].replace("##", "#")
}
}
code_block.innerHTML = lines.join("");
var lines = Array.from(block.querySelectorAll('.boring'));
// If no lines were hidden, return
if (!lines_hidden) { return; }
if (!lines.length) { return; }
block.classList.add("hide-boring");
var buttons = document.createElement('div');
buttons.className = 'buttons';
buttons.innerHTML = "<button class=\"fa fa-expand\" title=\"Show hidden lines\" aria-label=\"Show hidden lines\"></button>";
// add expand button
var pre_block = block.parentNode;
pre_block.insertBefore(buttons, pre_block.firstChild);
pre_block.querySelector('.buttons').addEventListener('click', function (e) {
if (e.target.classList.contains('fa-expand')) {
var lines = pre_block.querySelectorAll('span.hidden');
e.target.classList.remove('fa-expand');
e.target.classList.add('fa-compress');
e.target.title = 'Hide lines';
e.target.setAttribute('aria-label', e.target.title);
Array.from(lines).forEach(function (line) {
line.classList.remove('hidden');
line.classList.add('unhidden');
});
block.classList.remove('hide-boring');
} else if (e.target.classList.contains('fa-compress')) {
var lines = pre_block.querySelectorAll('span.unhidden');
e.target.classList.remove('fa-compress');
e.target.classList.add('fa-expand');
e.target.title = 'Show hidden lines';
e.target.setAttribute('aria-label', e.target.title);
Array.from(lines).forEach(function (line) {
line.classList.remove('unhidden');
line.classList.add('hidden');
});
block.classList.add('hide-boring');
}
});
});
Array.from(document.querySelectorAll('pre code')).forEach(function (block) {
var pre_block = block.parentNode;
if (!pre_block.classList.contains('playpen')) {
var buttons = pre_block.querySelector(".buttons");
if (!buttons) {
buttons = document.createElement('div');
buttons.className = 'buttons';
pre_block.insertBefore(buttons, pre_block.firstChild);
if (window.playpen_copyable) {
Array.from(document.querySelectorAll('pre code')).forEach(function (block) {
var pre_block = block.parentNode;
if (!pre_block.classList.contains('playpen')) {
var buttons = pre_block.querySelector(".buttons");
if (!buttons) {
buttons = document.createElement('div');
buttons.className = 'buttons';
pre_block.insertBefore(buttons, pre_block.firstChild);
}
var clipButton = document.createElement('button');
clipButton.className = 'fa fa-copy clip-button';
clipButton.title = 'Copy to clipboard';
clipButton.setAttribute('aria-label', clipButton.title);
clipButton.innerHTML = '<i class=\"tooltiptext\"></i>';
buttons.insertBefore(clipButton, buttons.firstChild);
}
var clipButton = document.createElement('button');
clipButton.className = 'fa fa-copy clip-button';
clipButton.title = 'Copy to clipboard';
clipButton.setAttribute('aria-label', clipButton.title);
clipButton.innerHTML = '<i class=\"tooltiptext\"></i>';
buttons.insertBefore(clipButton, buttons.firstChild);
}
});
});
}
// Process playpen code blocks
Array.from(document.querySelectorAll(".playpen")).forEach(function (pre_block) {
@@ -267,19 +237,21 @@ function playpen_text(playpen) {
runCodeButton.title = 'Run this code';
runCodeButton.setAttribute('aria-label', runCodeButton.title);
var copyCodeClipboardButton = document.createElement('button');
copyCodeClipboardButton.className = 'fa fa-copy clip-button';
copyCodeClipboardButton.innerHTML = '<i class="tooltiptext"></i>';
copyCodeClipboardButton.title = 'Copy to clipboard';
copyCodeClipboardButton.setAttribute('aria-label', copyCodeClipboardButton.title);
buttons.insertBefore(runCodeButton, buttons.firstChild);
buttons.insertBefore(copyCodeClipboardButton, buttons.firstChild);
runCodeButton.addEventListener('click', function (e) {
run_rust_code(pre_block);
});
if (window.playpen_copyable) {
var copyCodeClipboardButton = document.createElement('button');
copyCodeClipboardButton.className = 'fa fa-copy clip-button';
copyCodeClipboardButton.innerHTML = '<i class="tooltiptext"></i>';
copyCodeClipboardButton.title = 'Copy to clipboard';
copyCodeClipboardButton.setAttribute('aria-label', copyCodeClipboardButton.title);
buttons.insertBefore(copyCodeClipboardButton, buttons.firstChild);
}
let code_block = pre_block.querySelector("code");
if (window.ace && code_block.classList.contains("editable")) {
var undoChangesButton = document.createElement('button');
@@ -321,7 +293,7 @@ function playpen_text(playpen) {
themeToggleButton.focus();
}
function set_theme(theme) {
function set_theme(theme, store = true) {
let ace_theme;
if (theme == 'coal' || theme == 'navy') {
@@ -356,9 +328,10 @@ function playpen_text(playpen) {
try { previousTheme = localStorage.getItem('mdbook-theme'); } catch (e) { }
if (previousTheme === null || previousTheme === undefined) { previousTheme = default_theme; }
try { localStorage.setItem('mdbook-theme', theme); } catch (e) { }
if (store) {
try { localStorage.setItem('mdbook-theme', theme); } catch (e) { }
}
document.body.className = theme;
html.classList.remove(previousTheme);
html.classList.add(theme);
}
@@ -368,7 +341,7 @@ function playpen_text(playpen) {
try { theme = localStorage.getItem('mdbook-theme'); } catch(e) { }
if (theme === null || theme === undefined) { theme = default_theme; }
set_theme(theme);
set_theme(theme, false);
themeToggleButton.addEventListener('click', function () {
if (themePopup.style.display === 'block') {
@@ -390,7 +363,7 @@ function playpen_text(playpen) {
}
});
// Should not be needed, but it works around an issue on macOS & iOS: https://github.com/rust-lang-nursery/mdBook/issues/628
// Should not be needed, but it works around an issue on macOS & iOS: https://github.com/rust-lang/mdBook/issues/628
document.addEventListener('click', function(e) {
if (themePopup.style.display === 'block' && !themeToggleButton.contains(e.target) && !themePopup.contains(e.target)) {
hideThemes();
@@ -435,6 +408,7 @@ function playpen_text(playpen) {
(function sidebar() {
var html = document.querySelector("html");
var sidebar = document.getElementById("sidebar");
var sidebarScrollBox = document.getElementById("sidebar-scrollbox");
var sidebarLinks = document.querySelectorAll('#sidebar a');
var sidebarToggleButton = document.getElementById("sidebar-toggle");
var sidebarResizeHandle = document.getElementById("sidebar-resize-handle");
@@ -451,6 +425,17 @@ function playpen_text(playpen) {
try { localStorage.setItem('mdbook-sidebar', 'visible'); } catch (e) { }
}
var sidebarAnchorToggles = document.querySelectorAll('#sidebar a.toggle');
function toggleSection(ev) {
ev.currentTarget.parentElement.classList.toggle('expanded');
}
Array.from(sidebarAnchorToggles).forEach(function (el) {
el.addEventListener('click', toggleSection);
});
function hideSidebar() {
html.classList.remove('sidebar-visible')
html.classList.add('sidebar-hidden');
@@ -522,7 +507,7 @@ function playpen_text(playpen) {
// Scroll sidebar to current active section
var activeSection = sidebar.querySelector(".active");
if (activeSection) {
sidebar.scrollTop = activeSection.offsetTop;
sidebarScrollBox.scrollTop = activeSection.offsetTop;
}
})();
@@ -615,6 +600,6 @@ function playpen_text(playpen) {
menu.classList.remove('bordered');
}
previousScrollTop = document.scrollingElement.scrollTop;
previousScrollTop = Math.max(document.scrollingElement.scrollTop, 0);
}, { passive: true });
})();