title	layout	canonical_url
test.md - Explore Colors	test	https://www.pippim.com/test.html

ToC Skip

Introduction

This is /test.md rendered as /test.html.

It uses /_layouts/test.html layout file.

Usage

In /_layouts/test.html you can change source to /assets/js/test-search.js instead of search.js.

After testing, copy code changes to the /_layouts/test.html to the other layouts default.html, hrb.html, post.html and programs.html

Top ToS Skip

{% include toc.md %}

Setting Colors

In _sass directory are:

-rw-rw-r--  1 rick rick 7056 Nov  3  2022 jekyll-theme-cayman.scss
-rw-rw-r--  1 rick rick 4909 Oct 18  2022 rouge-github-gruvbox.scss
-rw-rw-r--  1 rick rick 3998 Oct 17  2022 rouge-github-monokai-sublime.scss
-rw-rw-r--  1 rick rick 3297 Oct 19  2022 rouge-github-original.scss
-rw-rw-r--  1 rick rick 4909 Oct 18  2022 rouge-github.scss
-rw-rw-r--  1 rick rick 3689 Oct 16  2022 rouge-github-virtua-creative.scss
-rw-rw-r--  1 rick rick  105 Dec  5  2021 toc.scss

For cayman theme the default rouge color is a bluish #567482 that appears washed out on chocolate background.

`/assets/css/style.scss`

Yellow Sun / Black Moon in /assets/css/style.scss:

/* Color Scheme Picker Button in page header */
.color-scheme-button {
    // button rotates when clicked see tcm-common-code.js
    display: inline-block;
    vertical-align: middle;
    position: absolute;
    left: 0;
    margin-left: .3rem;
    background: transparent;
    border: none;
    outline: none;
    background-repeat: no-repeat;
    background-size: cover;
    transition: transform 0.3s;

    //@include large  { height: 44px; width: 44px; }
    // @include medium { height: 36px; width: 36px; }
    //@include medium { height: 42px; width: 42px; }
    //@include small  { height: 42px; width: 42px; }
    height: 44px;
    width: 44px;

    &:hover {
        filter: brightness(150%);
    }
}

.rotate-button {
    // Toggle this class on/off color-scheme-button when clicked
    transform: rotate(180deg);
}

Javascript

`_includes/tcm-common-code.js`

/*  Get all .color-scheme-button class instances. `/_includes/page-header.html`
    has .color-scheme-button in two different HTML places.

    Defined in `/_includes/getRootColors.js`:

        currentColorScheme  // "colorSchemeCayman" or "colorSchemeDark"
        imageColorSchemeCayman =
            "{{ site.url }}/assets/img/icons/color_scheme_cayman.png"
        imageColorSchemeDark =
            "{{ site.url }}/assets/img/icons/color_scheme_dark.png"

*/

var cspButtonClasses = document.getElementsByClassName("color-scheme-button")

var cspButtonClick = function() {
    // Color Scheme Picker button was clicked on one of page header <div>s
    this.classList.toggle('rotate-button')  // Add/remove rotate image in button
    if (currentColorScheme == "colorSchemeCayman") {
        currentColorScheme = "colorSchemeDark"
        setColorScheme(colorSchemeDark)  // _includes/getRootColors.js
    }
    else {
        currentColorScheme = "colorSchemeCayman"
        setColorScheme(colorSchemeCayman)  // _includes/getRootColors.js
    }
    localStorage.setItem("colorScheme", currentColorScheme)
    // Wait 300 ms for transition to finish then change image
    setTimeout(function(){
        setColorSchemeButtonImage(currentColorScheme)
    }, 300)
}

for (var ndx = 0; ndx < cspButtonClasses.length; ndx++) {
    cspButtonClasses[ndx].addEventListener('click', cspButtonClick, false)
}

function setColorSchemeButtonImage(schemeName) {
    // Changing foreground image problematic. Use background image instead
    for (var ndx = 0; ndx < cspButtonClasses.length; ndx++) {
        var elm = cspButtonClasses[ndx]
        if (schemeName == "colorSchemeCayman") {
            elm.style.backgroundImage = "url('" + imageColorSchemeDark + "')"
            elm.title = "Switch {{ site.title }} Website to color scheme Dark"
        }
        else {
            elm.style.backgroundImage = "url('" + imageColorSchemeCayman + "')"
            elm.title = "Switch {{ site.title }} Website to color scheme Cayman"
        }
    }
}

setColorSchemeButtonImage(currentColorScheme)

// Get all .tcm-button class instances `/_layouts/default.html` has
// .tcm-button in two different place.
var tcmButtonClasses = document.getElementsByClassName("tcm-button");  // New class

var tcmButtonClick = function() {
    // TCM button was clicked on one of page header <div>s
    document.querySelector('#tcm_window').style.cssText = `
        display: flex;
        flex-direction: column;
    `;
    // Make tcm-button class invisible
    for (var ndx = 0; ndx < tcmButtonClasses.length; ndx++) {
        tcmButtonClasses[ndx].style.cssText = `
            opacity: 0.0;
            background: transparent;
            background-image: none;
            border: none;
        `;
    }
};

for (var ndx = 0; ndx < tcmButtonClasses.length; ndx++) {
    tcmButtonClasses[ndx].addEventListener('click', tcmButtonClick, false);
}

`_includes/getRootColors.js`

var currentColorScheme  // "colorSchemeCayman" or "colorSchemeDark"
// {{ site.url }} is required when File Save As used for off-line copy
var imageColorSchemeCayman =
        "{{ site.url }}/assets/img/icons/color_scheme_cayman.png"
var imageColorSchemeDark =
        "{{ site.url }}/assets/img/icons/color_scheme_dark.png"

function getCurrentColors() {
    /*  Local storage key "colorScheme" contains our scheme name.
        If it doesn't exist use "colorSchemeCayman" and save to new key.
    */
    currentColorScheme = localStorage.getItem('colorScheme')
    if (currentColorScheme == null) {
        localStorage.setItem("colorScheme", "colorSchemeCayman")
        currentColorScheme = "colorSchemeCayman"
    }
    return (extractRootColors(currentColorScheme))
}

function extractRootColors(schemeName) {
    // Set passed "colorScheme" of "Cayman" or "Dark"
    var scheme = window[schemeName]  // Get scheme object from name
    var root = ""
    // console.log("/assets/js/setRootColors.js color scheme:", scheme.name)
    for (const key of Object.keys(scheme)) {
        if (!(key.startsWith("--"))) continue  // Ignore "name"
        root += "    " + key + ": " + scheme[key] + ";\n"
    }
    return root
}

getCurrentColors()  // We are done now. Rest of functions are optional

/* Optional functions to control root variables */
const browser = getBrowser()
const environment = navigator.oscpu + " " + browser.name + " " +
                    browser.version

function getBrowser() {
    // From: https://stackoverflow.com/a/16938481/6929343
    var ua = navigator.userAgent, tem
    var M = ua.match(/(opera|chrome|safari|firefox|msie|trident(?=\/))\/?\s*(\d+)/i) || []
    if (/trident/i.test(M[1])) {
        tem = /\brv[ :]+(\d+)/g.exec(ua) || []
        return {name: 'IE', version: (tem[1] || '') }
    }
    if (M[1]==='Chrome') {
        tem=ua.match(/\bOPR|Edge\/(\d+)/)
        if (tem!=null) return { name:'Opera', version:tem[1] }
    }
    M=M[2]? [M[1], M[2]]: [navigator.appName, navigator.appVersion, '-?']
    if ((tem=ua.match(/version\/(\d+)/i))!=null) M.splice(1,1,tem[1])
    return {
        name: M[0],
        version: M[1]
    }
 }

function getColorCode(scheme, key) {
    //const rootElm = document.querySelector(':root')
    //const rs = getComputedStyle(rootElm)
    const value = scheme[key]
    return value
}

function setColorCode(scheme, key) {
    const value = scheme[key]
    if (value === null) return
    const rootElm = document.querySelector(':root')
    rootElm.style.setProperty(key, value);
}

function setColorScheme(scheme) {
    // Set dark theme
    //console.log("/_includes/getRootColors.js setColorScheme():", scheme.name)
    currentColorScheme = scheme.name
    //localStorage.setItem("colorScheme", "colorSchemeDark")
    // Above is breaking system???
    for (const key of Object.keys(scheme)) {
        if (!(key.startsWith("--"))) continue  // Ignore "name"
        setColorCode(scheme, key)
    }
}

Color Codes - `rouge-github-monokai-sublime.scss`

.highlight .gh { color: #999999; }

.highlight .sr { color: #f6aa11; }

.highlight .go { color: #888888; }

.highlight .gp { color: #555555; }

.highlight .gu { color: #aaaaaa; }

.highlight .nb { color: #f6aa11; }

.highlight .cm { color: #5F9EA0; }

.highlight .err{ color: #960050; }

.highlight .gd { color: #49483e; }

.highlight .kc { color: #66d9ef; }

.highlight .mf { color: #ae81ff; }

.highlight .sd { color: #e6db74; }

.highlight .fm { color: #a6e22e; }

.highlight .vc { color: #00cdcd; }

.highlight .w { color: #ffffff; }

.highlight .ow { color: #f92672; }

.highlight .pi { color: #fbf1c7; }

ALL { background-color: #272822; }

dimgrey => '#75715e'

Rouge List of Tokens

The table below is from the Rouge Ruby List of Tokens ⧉ 🔗{:target="_blank"}.

Token name	Token shortname	Description
Text		Any type of text data
Text.Whitespace	w	Specially highlighted whitespace
Error	err	Lexer errors
Escape	esc	Escape (New)
Other	x	Token for data not matched by a parser (e.g. HTML markup in PHP code)
Keyword	k	Any keyword
Keyword.Constant	kc	Keywords that are constants
Keyword.Declaration	kd	Keywords used for variable declaration (e.g. var in javascript)
Keyword.Namespace	kn	Keywords used for namespace declarations
Keyword.Pseudo	kp	Keywords that aren't really keywords
Keyword.Reserved	kr	Keywords which are reserved (such as end in Ruby)
Keyword.Type	kt	Keywords which refer to a type id (such as int in C)
Name	n	Variable/function names
Name.Attribute	na	Attributes (in HTML for instance)
Name.Builtin	nb	Builtin names which are available in the global namespace
Name.Builtin.Pseudo	bp	Builtin names that are implicit (such as self in Ruby)
Name.Class	nc	For class declaration
Name.Constant	no	For constants
Name.Decorator	nd	For decorators in languages such as Python or Java
Name.Entity	ni	Token for entities such as in HTML
Name.Exception	ne	Exceptions and errors (e.g. ArgumentError in Ruby)
Name.Function	nf	Function names
Name.Property	py	Token for properties
Name.Label	nl	For label names
Name.Namespace	nn	Token for namespaces
Name.Other	nx	For other names
Name.Tag	nt	Tag mainly for markup such as XML or HTML
Name.Variable	nv	Token for variables
Name.Variable.Class	vc	Token for class variables (e.g. @@var in Ruby)
Name.Variable.Global	vg	For global variables (such as $LOAD_PATH in Ruby)
Name.Variable.Instance	vi	Token for instance variables (such as @var in Ruby)
Name.Variable.Magic	vm	Token for magic variables (New)
Literal	l	Any literal (if not further defined)
Literal.Date	ld	Date literals
Literal.String	s	String literals
Literal.String.Affix	sa	String Affix (New)
Literal.String.Backtick	sb	String enclosed in backticks
Literal.String.Char	sc	Token type for single characters
Literal.String.Delimiter	dl	String Delimiter (New)
Literal.String.Doc	sd	Documentation strings (such as in Python)
Literal.String.Double	s2	Double quoted strings
Literal.String.Escape	se	Escaped sequences in strings
Literal.String.Heredoc	sh	For "heredoc" strings (e.g. in Ruby)
Literal.String.Interpol	si	For interpolate part in strings (e.g. in Ruby)
Literal.String.Other	sx	Token type for any other strings (for example %q{foo} string constructs in Ruby)
Literal.String.Regex	sr	Regular expressions literals
Literal.String.Single	s1	Single quoted strings
Literal.String.Symbol	ss	Symbols (such as :foo in Ruby)
Literal.Number	m	Any number literal (if not further defined)
Literal.Number.Float	mf	Float numbers
Literal.Number.Hex	mh	Hexadecimal numbers
Literal.Number.Integer	mi	Integer literals
Literal.Number.Integer.Long	il	Long integer literals
Literal.Number.Oct	mo	Octal literals
Literal.Number.Hex	mx	Hexadecimal literals
Literal.Number.Bin	mb	Binary literals
Operator	o	Operators (commonly +, -, /, *)
Operator.Word	ow	Word operators (e.g. and)
Punctuation	p	Punctuation which is not an operator
Punctuation.Indicator	pi	Punctuation indicator (New)
Comment	c	Single line comments
Comment.Hashbang	ch	Hashbang comment (New)
Comment.Doc	cd	Doc comment (New)
Comment.Multiline	cm	Multiline comments
Comment.Preproc	cp	Preprocessor comments such as <% %> in ERb
Comment.PreprocFile	cpf	Preprocessor comments file (New)
Comment.Single	c1	Comments that end at the end of the line
Comment.Special	cs	Special data in comments such as @license in Javadoc
Generic	g	Unstyled token
Generic.Deleted	gd	Token value as deleted
Generic.Emph	ge	Token value as emphasized
Generic.Error	gr	Token value as an error message
Generic.Heading	gh	Token value as a headline
Generic.Inserted	gi	Token value as inserted
Generic.Output	go	Marked as a program output
Generic.Prompt	gp	Marked as a command prompt
Generic.Strong	gs	Mark the token value as bold (for rst lexer)
Generic.Subheading	gu	Marked as a sub-headline
Generic.Traceback	gt	Mark the token as a part of an error traceback
Generic.Lineno	gl	Line numbers

Code provided by tech support on Github. Rouge token.rb 🔗{:target="_blank"}

Test Fetch `rouge-ruby` (Cross-Origin Errors in Console Debug)

Rouge Legend

Copy the color scheme you want to use to /_sass/github-rouge.scss.

As of September 18, 2023 (and for the last year), /_sass/rouge-github-gruvbox.scss has been copied.

IMPORTANT NOTE:

The plain text color for rouge is inherited from cayman/dark code block:

`"--code-text-color": "#29ee14"`

The cayman theme background color for code block is:

`"--code-bg-color": "#aa2266"` (ugly purple, easy to read)
`"--code-bg-color": "#331100"` (nice easy to read, but dark background)
`"--code-bg-color": "#ffddcc"` (ugly salmon, text hard to read)
`"--code-bg-color": "#ffbbff"` (ugly bright pink, text hard to read)
`"--code-bg-color": "#ffeeff"` (ugly light pink, hard to read)
`"--code-bg-color": "#eeeeee"` (off whilte, 40% reading, not distracting)
`"--code-bg-color": "#dddddd"` (purple tint, hard to read)  
`"--code-bg-color": "#f0eef0"` (can't read)
`"--code-bg-color": "#eeccee"` (ugly pink, can't read)
`"--code-bg-color": "#bcbcbc"` (light grey, can't read)
`"--code-bg-color": "#320a3c"` (dark purple joker tint, easy to read)

The dark theme background color for code block is:

`"--code-bg-color": "#332211"` (dark purple, not bad, easy to read)

Option 2

The Green text color for rouge is inherited from cayman/dark code block:
`"--code-text-color": "#5e9755"`

Option 3

The Dull Green text color:
`"--code-text-color": "#6a8759"`
The cayman theme background color for code block is:
`"--code-bg-color": "#dddddd"`
The dark theme background color for code block is:
`"--code-bg-color": "#202020"`

/**
 * From: https://code.gov.cz/gov-cz/about/-/blob/a1cb43f3effc4de4d270f8cca881cbf8f3ddc064/_sass/_syntax-highlighting.scss
 * Syntax highlighting styles
 */
.highlight {
    background: #fff;
    @extend %vertical-rhythm;

    .highlighter-rouge & {
      background: #eef;
    }

    .c     { color: #998; font-style: italic } // Comment
    .err   { color: #a61717; background-color: #e3d2d2 } // Error
    .k     { font-weight: bold } // Keyword
    .o     { font-weight: bold } // Operator
    .cm    { color: #998; font-style: italic } // Comment.Multiline
    .cp    { color: #999; font-weight: bold } // Comment.Preproc
    .c1    { color: #998; font-style: italic } // Comment.Single
    .cs    { color: #999; font-weight: bold; font-style: italic } // Comment.Special
    .gd    { color: #000; background-color: #fdd } // Generic.Deleted
    .gd .x { color: #000; background-color: #faa } // Generic.Deleted.Specific
    .ge    { font-style: italic } // Generic.Emph
    .gr    { color: #a00 } // Generic.Error
    .gh    { color: #999 } // Generic.Heading
    .gi    { color: #000; background-color: #dfd } // Generic.Inserted
    .gi .x { color: #000; background-color: #afa } // Generic.Inserted.Specific
    .go    { color: #888 } // Generic.Output
    .gp    { color: #555 } // Generic.Prompt
    .gs    { font-weight: bold } // Generic.Strong
    .gu    { color: #aaa } // Generic.Subheading
    .gt    { color: #a00 } // Generic.Traceback
    .kc    { font-weight: bold } // Keyword.Constant
    .kd    { font-weight: bold } // Keyword.Declaration
    .kp    { font-weight: bold } // Keyword.Pseudo
    .kr    { font-weight: bold } // Keyword.Reserved
    .kt    { color: #458; font-weight: bold } // Keyword.Type
    .m     { color: #099 } // Literal.Number
    .s     { color: #d14 } // Literal.String
    .na    { color: #008080 } // Name.Attribute
    .nb    { color: #0086B3 } // Name.Builtin
    .nc    { color: #458; font-weight: bold } // Name.Class
    .no    { color: #008080 } // Name.Constant
    .ni    { color: #800080 } // Name.Entity
    .ne    { color: #900; font-weight: bold } // Name.Exception
    .nf    { color: #900; font-weight: bold } // Name.Function
    .nn    { color: #555 } // Name.Namespace
    .nt    { color: #000080 } // Name.Tag
    .nv    { color: #008080 } // Name.Variable
    .ow    { font-weight: bold } // Operator.Word
    .w     { color: #bbb } // Text.Whitespace
    .mf    { color: #099 } // Literal.Number.Float
    .mh    { color: #099 } // Literal.Number.Hex
    .mi    { color: #099 } // Literal.Number.Integer
    .mo    { color: #099 } // Literal.Number.Oct
    .sb    { color: #d14 } // Literal.String.Backtick
    .sc    { color: #d14 } // Literal.String.Char
    .sd    { color: #d14 } // Literal.String.Doc
    .s2    { color: #d14 } // Literal.String.Double
    .se    { color: #d14 } // Literal.String.Escape
    .sh    { color: #d14 } // Literal.String.Heredoc
    .si    { color: #d14 } // Literal.String.Interpol
    .sx    { color: #d14 } // Literal.String.Other
    .sr    { color: #009926 } // Literal.String.Regex
    .s1    { color: #d14 } // Literal.String.Single
    .ss    { color: #990073 } // Literal.String.Symbol
    .bp    { color: #999 } // Name.Builtin.Pseudo
    .vc    { color: #008080 } // Name.Variable.Class
    .vg    { color: #008080 } // Name.Variable.Global
    .vi    { color: #008080 } // Name.Variable.Instance
    .il    { color: #099 } // Literal.Number.Integer.Long
}

Rouge `_sass/rouge-github-gruvbox.scss`

/*  https://github.com/daveyarwood/gruvbox-pygments/blob/master/gruvbox.css
    Oct 17/22 copy from rouge-github-gruvbox.scss (backup version)
    https://github.com/rouge-ruby/rouge/blob/master/lib/rouge/token.rb#L75
    Note we use Num as an alias for Literal::Number and Str as an alias for Literal::String.
*/
.highlight table td { padding: 5px; }
.highlight table pre { margin: 0; }

.highlight .hll { background-color: #ffffcc }
.highlight  { background: #282828; background-color: #282828; color: #ebdbb2; }
.highlight .c { color: #928374; font-style: italic; } /* Comment */
.highlight .err { color: #ebdbb2; } /* Error */
.highlight .esc { color: #ebdbb2; } /* Escape */
.highlight .g { color: #ebdbb2; } /* Generic */
.highlight .k { color: #fe8019; } /* Keyword */
.highlight .l { color: #ebdbb2; } /* Literal */
.highlight .n { color: #ebdbb2; } /* Name */
.highlight .o { color: #fe8019; } /* Operator */
.highlight .x { color: #ebdbb2; } /* Other */
.highlight .p { color: #ebdbb2; } /* Punctuation */
.highlight .ch { color: #928374; font-style: italic; } /* Comment.Hashbang */
.highlight .cm { color: #928374; font-style: italic; } /* Comment.Multiline */
.highlight .cp { color: #8ec07c; } /* Comment.Preproc */
.highlight .c1 { color: #928374; font-style: italic; } /* Comment.Single */
.highlight .cs { color: #928374; font-style: italic; } /* Comment.Special */
.highlight .gd { color: #282828; background-color: #fb4934 } /* Generic.Deleted */
.highlight .ge { color: #83a598; text-decoration: underline; } /* Generic.Emph */
.highlight .gr { color: #ebdbb2; font-weight: bold; background-color: #fb4934 } /* Generic.Error */
.highlight .gh { color: #b8bb26; font-weight: bold; } /* Generic.Heading */
.highlight .gi { color: #282828; background-color: #b8bb26 } /* Generic.Inserted */
.highlight .go { color: #504945; } /* Generic.Output */
.highlight .gp { color: #ebdbb2; } /* Generic.Prompt */
.highlight .gs { color: #ebdbb2; } /* Generic.Strong */
.highlight .gu { color: #b8bb26; font-weight: bold; } /* Generic.Subheading */
.highlight .gt { color: #ebdbb2; font-weight: bold; background-color: #fb4934 } /* Generic.Traceback */
.highlight .kc { color: #fe8019; } /* Keyword.Constant */
.highlight .kd { color: #fe8019; } /* Keyword.Declaration */
.highlight .kn { color: #fe8019; } /* Keyword.Namespace */
.highlight .kp { color: #fe8019; } /* Keyword.Pseudo */
.highlight .kr { color: #fe8019; } /* Keyword.Reserved */
.highlight .kt { color: #fabd2f; } /* Keyword.Type */
.highlight .ld { color: #ebdbb2; } /* Literal.Date */
.highlight .m { color: #d3869b; } /* Literal.Number */
.highlight .s { color: #b8bb26; } /* Literal.String */
.highlight .na { color: #b8bb26; font-weight: bold; } /* Name.Attribute */
.highlight .nb { color: #fabd2f; } /* Name.Builtin */
.highlight .nc { color: #ebdbb2; } /* Name.Class */
.highlight .no { color: #d3869b; } /* Name.Constant */
.highlight .nd { color: #ebdbb2; } /* Name.Decorator */
.highlight .ni { color: #fabd2f; } /* Name.Entity */
.highlight .ne { color: #fb4934; } /* Name.Exception */
.highlight .nf { color: #fabd2f; } /* Name.Function */
.highlight .nl { color: #fb4934; } /* Name.Label */
.highlight .nn { color: #ebdbb2; } /* Name.Namespace */
.highlight .nx { color: #ebdbb2; } /* Name.Other */
.highlight .py { color: #ebdbb2; } /* Name.Property */
.highlight .nt { color: #fb4934; } /* Name.Tag */
.highlight .nv { color: #ebdbb2; } /* Name.Variable */
.highlight .ow { color: #fe8019; } /* Operator.Word */
.highlight .w { color: #ebdbb2; } /* Text.Whitespace */
.highlight .mb { color: #d3869b; } /* Literal.Number.Bin */
.highlight .mf { color: #d3869b; } /* Literal.Number.Float */
.highlight .mh { color: #d3869b; } /* Literal.Number.Hex */
.highlight .mi { color: #d3869b; } /* Literal.Number.Integer */
.highlight .mo { color: #d3869b; } /* Literal.Number.Oct */
.highlight .sb { color: #b8bb26; } /* Literal.String.Backtick */
.highlight .sc { color: #b8bb26; } /* Literal.String.Char */
.highlight .sd { color: #b8bb26; } /* Literal.String.Doc */
.highlight .s2 { color: #b8bb26; } /* Literal.String.Double */
.highlight .se { color: #b8bb26; } /* Literal.String.Escape */
.highlight .sh { color: #b8bb26; } /* Literal.String.Heredoc */
.highlight .si { color: #b8bb26; } /* Literal.String.Interpol */
.highlight .sx { color: #b8bb26; } /* Literal.String.Other */
.highlight .sr { color: #b8bb26; } /* Literal.String.Regex */
.highlight .s1 { color: #b8bb26; } /* Literal.String.Single */
.highlight .ss { color: #83a598; } /* Literal.String.Symbol */
.highlight .bp { color: #fabd2f; } /* Name.Builtin.Pseudo */
.highlight .vc { color: #ebdbb2; } /* Name.Variable.Class */
.highlight .vg { color: #ebdbb2; } /* Name.Variable.Global */
.highlight .vi { color: #ebdbb2; } /* Name.Variable.Instance */
.highlight .il { color: #d3869b; } /* Literal.Number.Integer.Long */

/* End of rouge-github-gruvbox.scss */

Rouge `_sass/rouge-github-monokai-sublime.scss`

/*  https://github.com/pages-themes/cayman/blob/master/_sass/rouge-github.scss
    Oct 15/22 copy from rouge-github-monokai-sublime.scss (backup version)
    // = found in original cayman theme
    // missing = found here but not in cayman theme
*/
.highlight table td { padding: 5px; }
.highlight table pre { margin: 0; }
.highlight .gh { color: #999999; } //
.highlight .sr { color: #f6aa11; } //
.highlight .go { color: #888888; } //
.highlight .gp { color: #555555; } //
.highlight .gs {    font-weight: bold; } //
.highlight .gu { color: #aaaaaa; } //
.highlight .nb { color: #f6aa11; } //
.highlight .cm { color: #5F9EA0; font-style: italic; } //
.highlight .cp { color: #5F9EA0; } //
.highlight .c1 { color: #5F9EA0; font-style: italic; } //
.highlight .cs { color: #5F9EA0; font-weight: bold; font-style: italic; } //
.highlight .c  { color: #5F9EA0; font-style: italic; } //
.highlight .ch { color: #5F9EA0; } // missing
.highlight .cd { color: #5F9EA0; font-style: italic; } //
.highlight .cpf{ color: #5F9EA0; } // missing
.highlight .err{ color: #960050; } // background ?
.highlight .gr { color: #960050; } //
.highlight .gt { color: #960050; } //
.highlight .gd { color: #49483e; } // background ?
.highlight .gi { color: #49483e; } //
.highlight .ge { color: #49483e; font-style: italic; } //
.highlight .kc { color: #66d9ef; font-weight: bold; } //
.highlight .kd { color: #66d9ef; font-weight: bold; } //
.highlight .kr { color: #66d9ef; font-weight: bold; } //
.highlight .no { color: #66d9ef; } //
.highlight .kt { color: #66d9ef; font-weight: bold; } //
.highlight .mf { color: #ae81ff; } //
.highlight .mh { color: #ae81ff; } //
.highlight .il { color: #ae81ff; } //
.highlight .mi { color: #ae81ff; } //
.highlight .mo { color: #ae81ff; } //
.highlight .m  { color: #ae81ff; } //
.highlight .mb { color: #ae81ff; } //
.highlight .mx { color: #ae81ff; } //
.highlight .sc { color: #ae81ff; } //
.highlight .se { color: #ae81ff; } //
.highlight .ss { color: #ae81ff; } //
.highlight .sd { color: #e6db74; } //
.highlight .s2 { color: #e6db74; } //
.highlight .sb { color: #e6db74; } //
.highlight .sh { color: #e6db74; } //
.highlight .si { color: #e6db74; } //
.highlight .sx { color: #e6db74; } //
.highlight .s1 { color: #e6db74; } //
.highlight .s  { color: #e6db74; } //
.highlight .sa { color: #e6db74; } // missing
.highlight .dl { color: #e6db74; } // missing
.highlight .na { color: #a6e22e; } //
.highlight .nc { color: #a6e22e; } //
.highlight .nd { color: #a6e22e; font-weight: bold; } //
.highlight .ne { color: #a6e22e; font-weight: bold; } //
.highlight .nf { color: #a6e22e; font-weight: bold; } //
.highlight .fm { color: #a6e22e; } // missing
.highlight .vc { color: #00cdcd; } //
.highlight .nn { color: #00cdcd; } //
.highlight .nl { color: #00cdcd; font-weight: bold; } //
.highlight .ni { color: #00cdcd; font-weight: bold; } //
.highlight .bp { color: #00cdcd; } //
.highlight .vg { color: #00cdcd; } //
.highlight .vi { color: #00cdcd; } //
.highlight .nv { color: #00cdcd; } //
.highlight .vm { color: #00cdcd; } // missing
.highlight .w  { color: #ffffff; } //
.highlight .n  { color: #ffffff; } // missing
.highlight .py { color: #ffffff; } // missing
.highlight .nx { color: #ffffff; } // missing
.highlight .ow { color: #f92672; font-weight: bold; } //
.highlight .nt { color: #f92672; } //
.highlight .k  { color: #f92672; font-weight: bold; } //
.highlight .kv { color: #f92672; font-weight: bold; } //
.highlight .kn { color: #f92672; font-weight: bold; } //
.highlight .kp { color: #f92672; font-weight: bold; } //
.highlight .o  { color: #f92672; font-weight: bold; } //
.highlight .p  { color: #fbf1c7; } // missing
.highlight .pi { color: #fbf1c7; } // missing

.highlight {
  color: #ffffff;
  background-color: #272822;
  border-radius: .5rem;
  /* Oct 15/22 - Following already in Cayman
  margin-bottom: 30px;
  margin-top: 27px;
  margin-left: 0px;
  margin-right: 0px;
  width: 100%; */
}

/* End of rouge-github-monokai-sublime.scss */

Miscellaneous Color Codes

--body-link-color: #1e6bb8;

--body-link-inverted-color: #e19447;

#819198

#f3f6fa

#567482 bluish color code in rouge plain text

#dce6f0

#e9ebec

#eff0f1

#fafbfc

#c6cbd1

#959da5

#444d56

#e9ebec

Copy code

This section shows how to copy code inside Rouge to the system clipboard.

The original Author's old code and new code is below. However {{ site.title }} website had to use a totally new technique.

AleksandrHovhannisyan/aleksandrhovhannisyan.com#35

Test Single Text Line

<!-- This is a single line of HTML comment -->

Test Two Text Lines

<!-- This is the first line of HTML comment -->
<!-- This is the second line -->

New Javascript `/assets/js/theCookieMachine.js`

// COPY ROUGE CODE BLOCKS

const copyButtonLabel = "Copy 📋";
let blocks = document.querySelectorAll("div.highlight")  // Rouge second level out of three

blocks.forEach((block) => {
    // only add button if browser supports Clipboard API
    if (navigator.clipboard) {
        block.classList.add("rouge-code-block")
        let copyRougeButton = document.createElement("button")
        // Remove ', "page-header-button"' or replace with your own button styling class name
        copyRougeButton.classList.add("copy-rouge-button", "page-header-button")
        copyRougeButton.innerText = copyButtonLabel
        copyRougeButton.setAttribute('title', 'Copy code to clipboard')
        copyRougeButton.setAttribute('aria-label', "Copy code to clipboard")
        copyRougeButton.addEventListener("click", copyRougeCode)
        block.appendChild(copyRougeButton)
    }
});

async function copyRougeCode(event) {
    const button = event.srcElement
    const pre = button.parentElement
    let code = pre.querySelector("code")
    let text = code.innerText
    await navigator.clipboard.writeText(text)

    button.innerText = "Copied ✓" /* ✓ or  ✔️ ✓ */
    setTimeout(()=> button.innerText = copyButtonLabel, 1500)
}

Old HTML

<!-- Copy code block contents to system clipboard. From: 
https://www.aleksandrhovhannisyan.com/blog/
how-to-add-a-copy-to-clipboard-button-to-your-jekyll-blog/
-->
<div class="code-header">
    <button class="copy-code-button" title="Copy code to clipboard"
            aria-label="Copy code to clipboard"></button>
</div>

Old CSS

// Copy code block contents to clipboard
// See: _includes/copyHeader.html for credit
.code-header {
    display: flex;
    justify-content: flex-end;
}

.copy-code-button {
    display: grid;
    grid-auto-flow: column;
    align-items: center;
    grid-column-gap: 4px;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    padding: 4px 8px;

    &::before {
        content: "Copy";
    }

    &::after {
        content: "📋";
        display: block;
    }

    // This class will be toggled via JavaScript
    &.copied {
        &::before { content: "Copied!"; }
        &::after { content: "✔️"; }
    }
}

Old Javascript

// Copy code block contents to clipboard. 
// See _includes/copyHeader.html for credit

// This assumes that you're using Rouge; if not, update the selector
const codeBlocks = document.querySelectorAll('.code-header + .highlighter-rouge');
const copyCodeButtons = document.querySelectorAll('.copy-code-button');

copyCodeButtons.forEach((copyCodeButton, index) => {
  const code = codeBlocks[index].innerText;

  copyCodeButton.addEventListener('click', () => {
    // Copy the code to the user's clipboard
    window.navigator.clipboard.writeText(code);

    // Update the button text visually
    /* NEW CODE published May 23, 2022:
        const { innerText: originalText } = copyCodeButton;
        copyCodeButton.innerText = 'Copied!';
    */
    // (Optional) Toggle a class for styling the button
    copyCodeButton.classList.add('copied');

    // After 2 seconds, reset the button to its initial UI
    setTimeout(() => {
      /* NEW CODE published May 23, 2022:
          copyCodeButton.innerText = originalText;
      */
      copyCodeButton.classList.remove('copied');
    }, 2000);
  });
});

New JavaScript on Author's Website

import { THEME_KEY, Themes, copyToClipboardButtonStrings } from './constants.mjs';
import ThemeToggle from './components/ThemeToggle/index.mjs';

const themeToggleElement = document.getElementById('theme-toggle');
const cachedTheme = localStorage.getItem(THEME_KEY);
const preferredTheme = window.matchMedia('(prefers-color-scheme: dark)').matches ? Themes.DARK : Themes.LIGHT;

// eslint-disable-next-line no-unused-vars
const themeToggle = new ThemeToggle({
  toggleElement: themeToggleElement,
  initialTheme: cachedTheme ?? preferredTheme,
  setTheme: (theme) => {
    document.documentElement.dataset[THEME_KEY] = theme;
    themeToggleElement.setAttribute('aria-pressed', theme === Themes.DARK);
  },
  setCachedTheme: (theme) => localStorage.setItem(THEME_KEY, theme),
  themes: {
    [Themes.LIGHT]: Themes.DARK,
    [Themes.DARK]: Themes.LIGHT,
  },
});

const copyableCodeBlocks = document.querySelectorAll('code[data-copyable="true"]');
copyableCodeBlocks.forEach((codeBlock) => {
  const code = codeBlock.innerText;

  const copyCodeButton = document.createElement('button');
  copyCodeButton.className = 'copy-code-button fs-sm';
  copyCodeButton.innerText = copyToClipboardButtonStrings.default;
  copyCodeButton.setAttribute('aria-label', copyToClipboardButtonStrings.ariaLabel);
  copyCodeButton.type = 'button';
  codeBlock.parentElement.append(copyCodeButton);

  // Accessible alert whose inner text changes when we copy.
  const copiedAlert = document.createElement('span');
  copiedAlert.setAttribute('role', 'alert');
  copiedAlert.classList.add('screen-reader-only');
  codeBlock.parentElement.append(copiedAlert);

  copyCodeButton.addEventListener('click', () => {
    window.navigator.clipboard.writeText(code);
    copyCodeButton.classList.add('copied');
    copyCodeButton.innerText = copyToClipboardButtonStrings.copied;
    copiedAlert.innerText = copyToClipboardButtonStrings.copied;

    setTimeout(() => {
      copyCodeButton.classList.remove('copied');
      copyCodeButton.innerText = copyToClipboardButtonStrings.default;
      copiedAlert.innerText = '';
    }, 2000);
  });
});

Author's new CSS

/* stylelint-disable no-descending-specificity */
@import "../functions";
@import "../mixins";

/* VS Code Dark Plus theme: https://github.com/PrismJS/prism-themes/blob/master/themes/prism-vsc-dark-plus.css */

$code-block-padding: spacing(5);

pre[class*="language-"] {
  background: var(--color-code-background);
  box-shadow: var(--shadow-code-block);
  color: var(--color-code-text);
  position: relative;

  @include full-bleed;
  @include tablet {
    border-radius: spacing(-2);
  }

  &:hover {
    .copy-code-button {
      opacity: 1;
    }
  }

  code {
    padding: $code-block-padding;
    text-align: start;
    white-space: pre;
    word-spacing: normal;
    word-break: normal;
    tab-size: 2;
    overflow-x: auto;
    display: block;

    &[data-file] {
      padding-top: calc(#{$code-block-padding} + 3em);

      // File name
      &::before {
        content: "Filename: " attr(data-file);
        position: absolute;
        top: 0;
        left: 0;
        color: var(--color-code-text);
        word-break: break-all;
        padding: $code-block-padding $code-block-padding 0;
        @include font-family("title");
        @include font-weight("title", "bold");
        @include font-size("sm");
      }
    }
  }

  .namespace {
    opacity: 0.7;
  }

  &::selection,
  & *::selection {
    text-shadow: none;
    color: unset;
    background: var(--color-code-selection);
  }
}

.token {
  &:is(.doctype, .doctype-tag) {
    .name {
      color: var(--color-code-attribute);
    }
  }

  &.comment {
    margin: 0;
  }

  &:is(.comment, .prolog) {
    color: var(--color-code-comment);
  }

  &.number {
    color: var(--color-code-constant);
  }

  &.script {
    color: var(--color-code-text);
  }

  &.punctuation,
  &.cdata {
    color: var(--color-code-punctuation);
  }

  /* stylelint-disable-next-line max-line-length */
  &:is(.keyword, .tag, .boolean, .constant, .inserted, .operator.arrow, .key.atrule, .rule, .keyword.module, .keyword.control-flow, .entity, .important, .punctuation.interpolation-punctuation, .doctype, .doctype-tag, .directive-hash),
  &.atrule .url {
    color: var(--color-code-keyword);
  }

  &:is(.selector, .string, .char, .builtin, .deleted, .regex, .attr-value),
  &.attr-value &.punctuation {
    color: var(--color-code-string);
  }

  &:is(.operator, .entity, .function),
  &.atrule &.url &.punctuation,
  &.attr-value &.punctuation.attr-equals,
  &.function &.maybe-class-name {
    color: var(--color-code-text);
  }

  &:is(.attr-name, .constant, .console, .property, .variable),
  &.imports &.maybe-class-name,
  &.exports &.maybe-class-name {
    color: var(--color-code-attribute);
  }

  &.italic {
    font-style: italic;
  }
}

/* Language Specific */

pre[class*="language-css"],
pre[class*="language-scss"],
pre[class*="language-sass"] {
  .token.selector {
    color: var(--color-code-selector);
  }
}

pre[class*="language-bash"] {
  .token:not(.comment) {
    color: var(--color-code-text) !important;
  }
}

.copy-code-button {
  opacity: 0;
  position: absolute;
  right: $code-block-padding;
  top: $code-block-padding;
  display: none;
  color: var(--color-code-text);
  background-color: var(--color-code-overlay-1);
  padding: spacing(-2) spacing(0);
  border-radius: spacing(-3);

  &:is(.copied, :focus) {
    opacity: 1;
  }

  &:is(.copied, :hover) {
    color: black;
    background-color: var(--color-code-overlay-2);
  }

  @include tablet {
    display: unset;
  }
}

Top ToS ToC Skip

Override buttons

Use these buttons to force screen size

Top ToS ToC

Files

test.md

Latest commit

History

test.md

File metadata and controls

Introduction

Usage

Setting Colors

/assets/css/style.scss

Javascript

_includes/tcm-common-code.js

_includes/getRootColors.js

Color Codes - rouge-github-monokai-sublime.scss

.highlight .gh { color: #999999; }

.highlight .sr { color: #f6aa11; }

.highlight .go { color: #888888; }

.highlight .gp { color: #555555; }

.highlight .gu { color: #aaaaaa; }

.highlight .nb { color: #f6aa11; }

.highlight .cm { color: #5F9EA0; }

.highlight .err{ color: #960050; }

.highlight .gd { color: #49483e; }

.highlight .kc { color: #66d9ef; }

.highlight .mf { color: #ae81ff; }

.highlight .sd { color: #e6db74; }

.highlight .fm { color: #a6e22e; }

.highlight .vc { color: #00cdcd; }

.highlight .w { color: #ffffff; }

.highlight .ow { color: #f92672; }

.highlight .pi { color: #fbf1c7; }

ALL { background-color: #272822; }

dimgrey => '#75715e'

Rouge List of Tokens

Test Fetch rouge-ruby (Cross-Origin Errors in Console Debug)

Rouge Legend

Rouge _sass/rouge-github-gruvbox.scss

Rouge _sass/rouge-github-monokai-sublime.scss

Miscellaneous Color Codes

--body-link-color: #1e6bb8;

--body-link-inverted-color: #e19447;

#819198

#f3f6fa

#567482 bluish color code in rouge plain text

#dce6f0

#e9ebec

#eff0f1

#fafbfc

#c6cbd1

#959da5

#444d56

#e9ebec

Copy code

Test Single Text Line

Test Two Text Lines

New Javascript /assets/js/theCookieMachine.js

Old HTML

Old CSS

Old Javascript

New JavaScript on Author's Website

Author's new CSS

Override buttons

`/assets/css/style.scss`

`_includes/tcm-common-code.js`

`_includes/getRootColors.js`

Color Codes - `rouge-github-monokai-sublime.scss`

Test Fetch `rouge-ruby` (Cross-Origin Errors in Console Debug)

Rouge `_sass/rouge-github-gruvbox.scss`

Rouge `_sass/rouge-github-monokai-sublime.scss`

New Javascript `/assets/js/theCookieMachine.js`