Add @highlight.js library to highlight raw xml data

Github project @highlight.js is a syntax highlighter written in JavaScript.
We only need a couple of its files, but since git can't include only part of a project, this library is not linked to highlight.js but just copies the necessary files into dmarcts. We will have to keep an eye for any major updates.

4 files changed, 496 insertions, 0 deletions

diff --git a/highlight.js/LICENSE b/highlight.js/LICENSE
new file mode 100644
index 0000000..2250cc7
--- /dev/null
+++ b/highlight.js/LICENSE
@@ -0,0 +1,29 @@
+BSD 3-Clause License
+
+Copyright (c) 2006, Ivan Sagalaev.
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+* Redistributions of source code must retain the above copyright notice, this
+  list of conditions and the following disclaimer.
+
+* Redistributions in binary form must reproduce the above copyright notice,
+  this list of conditions and the following disclaimer in the documentation
+  and/or other materials provided with the distribution.
+
+* Neither the name of the copyright holder nor the names of its
+  contributors may be used to endorse or promote products derived from
+  this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/highlight.js/highlight.pack.js b/highlight.js/highlight.pack.js
new file mode 100644
index 0000000..01a951a
--- /dev/null
+++ b/highlight.js/highlight.pack.js
@@ -0,0 +1,341 @@
+/*
+  Highlight.js 10.7.2 (00233d63)
+  License: BSD-3-Clause
+  Copyright (c) 2006-2021, Ivan Sagalaev
+  See https://github.com/highlightjs/highlight.js
+*/
+var hljs=function(){"use strict";function e(t){
+return t instanceof Map?t.clear=t.delete=t.set=()=>{
+throw Error("map is read-only")}:t instanceof Set&&(t.add=t.clear=t.delete=()=>{
+throw Error("set is read-only")
+}),Object.freeze(t),Object.getOwnPropertyNames(t).forEach((n=>{var i=t[n]
+;"object"!=typeof i||Object.isFrozen(i)||e(i)})),t}var t=e,n=e;t.default=n
+;class i{constructor(e){
+void 0===e.data&&(e.data={}),this.data=e.data,this.isMatchIgnored=!1}
+ignoreMatch(){this.isMatchIgnored=!0}}function s(e){
+return e.replace(/&/g,"&amp;").replace(/</g,"&lt;").replace(/>/g,"&gt;").replace(/"/g,"&quot;").replace(/'/g,"&#x27;")
+}function a(e,...t){const n=Object.create(null);for(const t in e)n[t]=e[t]
+;return t.forEach((e=>{for(const t in e)n[t]=e[t]})),n}const r=e=>!!e.kind
+;class l{constructor(e,t){
+this.buffer="",this.classPrefix=t.classPrefix,e.walk(this)}addText(e){
+this.buffer+=s(e)}openNode(e){if(!r(e))return;let t=e.kind
+;e.sublanguage||(t=`${this.classPrefix}${t}`),this.span(t)}closeNode(e){
+r(e)&&(this.buffer+="</span>")}value(){return this.buffer}span(e){
+this.buffer+=`<span class="${e}">`}}class o{constructor(){this.rootNode={
+children:[]},this.stack=[this.rootNode]}get top(){
+return this.stack[this.stack.length-1]}get root(){return this.rootNode}add(e){
+this.top.children.push(e)}openNode(e){const t={kind:e,children:[]}
+;this.add(t),this.stack.push(t)}closeNode(){
+if(this.stack.length>1)return this.stack.pop()}closeAllNodes(){
+for(;this.closeNode(););}toJSON(){return JSON.stringify(this.rootNode,null,4)}
+walk(e){return this.constructor._walk(e,this.rootNode)}static _walk(e,t){
+return"string"==typeof t?e.addText(t):t.children&&(e.openNode(t),
+t.children.forEach((t=>this._walk(e,t))),e.closeNode(t)),e}static _collapse(e){
+"string"!=typeof e&&e.children&&(e.children.every((e=>"string"==typeof e))?e.children=[e.children.join("")]:e.children.forEach((e=>{
+o._collapse(e)})))}}class c extends o{constructor(e){super(),this.options=e}
+addKeyword(e,t){""!==e&&(this.openNode(t),this.addText(e),this.closeNode())}
+addText(e){""!==e&&this.add(e)}addSublanguage(e,t){const n=e.root
+;n.kind=t,n.sublanguage=!0,this.add(n)}toHTML(){
+return new l(this,this.options).value()}finalize(){return!0}}function g(e){
+return e?"string"==typeof e?e:e.source:null}
+const u=/\[(?:[^\\\]]|\\.)*\]|\(\??|\\([1-9][0-9]*)|\\./,h="[a-zA-Z]\\w*",d="[a-zA-Z_]\\w*",f="\\b\\d+(\\.\\d+)?",p="(-?)(\\b0[xX][a-fA-F0-9]+|(\\b\\d+(\\.\\d*)?|\\.\\d+)([eE][-+]?\\d+)?)",m="\\b(0b[01]+)",b={
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+illegal:"\\n",contains:[b]},x={className:"string",begin:'"',end:'"',
+illegal:"\\n",contains:[b]},v={
+begin:/\b(a|an|the|are|I'm|isn't|don't|doesn't|won't|but|just|should|pretty|simply|enough|gonna|going|wtf|so|such|will|you|your|they|like|more)\b/
+},w=(e,t,n={})=>{const i=a({className:"comment",begin:e,end:t,contains:[]},n)
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+},y=w("//","$"),N=w("/\\*","\\*/"),R=w("#","$");var _=Object.freeze({
+__proto__:null,MATCH_NOTHING_RE:/\b\B/,IDENT_RE:h,UNDERSCORE_IDENT_RE:d,
+NUMBER_RE:f,C_NUMBER_RE:p,BINARY_NUMBER_RE:m,
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+SHEBANG:(e={})=>{const t=/^#![ ]*\//
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+QUOTE_STRING_MODE:x,PHRASAL_WORDS_MODE:v,COMMENT:w,C_LINE_COMMENT_MODE:y,
+C_BLOCK_COMMENT_MODE:N,HASH_COMMENT_MODE:R,NUMBER_MODE:{className:"number",
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+BINARY_NUMBER_MODE:{className:"number",begin:m,relevance:0},CSS_NUMBER_MODE:{
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+begin:f+"(%|em|ex|ch|rem|vw|vh|vmin|vmax|cm|mm|in|pt|pc|px|deg|grad|rad|turn|s|ms|Hz|kHz|dpi|dpcm|dppx)?",
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+},UNDERSCORE_TITLE_MODE:{className:"title",begin:d,relevance:0},METHOD_GUARD:{
+begin:"\\.\\s*[a-zA-Z_]\\w*",relevance:0},END_SAME_AS_BEGIN:e=>Object.assign(e,{
+"on:begin":(e,t)=>{t.data._beginMatch=e[1]},"on:end":(e,t)=>{
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+"."===e.input[e.index-1]&&t.ignoreMatch()}function M(e,t){
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+}function A(e,t){if(e.match){
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+;e.begin=e.match,delete e.match}}function L(e,t){
+void 0===e.relevance&&(e.relevance=1)}
+const I=["of","and","for","in","not","or","if","then","parent","list","value"]
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+function T(e,{plugins:t}){function n(t,n){
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+constructor(){
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+this.rules=[],this.multiRegexes=[],
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+if(e.compilerExtensions||(e.compilerExtensions=[]),
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+return this.unknownLanguage?"":"hljs "+this.detectedLanguage},highlighted(){
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+value:G(t),emitter:k};if(r)return{illegal:!1,relevance:0,value:G(t),emitter:k,
+language:e,top:R,errorRaised:n};throw n}}function p(e,t){
+t=t||u.languages||Object.keys(n);const i=(e=>{const t={relevance:0,
+emitter:new u.__emitter(u),value:G(e),illegal:!1,top:g}
+;return t.emitter.addText(e),t})(e),s=t.filter(N).filter(k).map((t=>f(t,e,!1)))
+;s.unshift(i);const a=s.sort(((e,t)=>{
+if(e.relevance!==t.relevance)return t.relevance-e.relevance
+;if(e.language&&t.language){if(N(e.language).supersetOf===t.language)return 1
+;if(N(t.language).supersetOf===e.language)return-1}return 0})),[r,l]=a,o=r
+;return o.second_best=l,o}const m={"before:highlightElement":({el:e})=>{
+u.useBR&&(e.innerHTML=e.innerHTML.replace(/\n/g,"").replace(/<br[ /]*>/g,"\n"))
+},"after:highlightElement":({result:e})=>{
+u.useBR&&(e.value=e.value.replace(/\n/g,"<br>"))}},b=/^(<[^>]+>|\t)+/gm,E={
+"after:highlightElement":({result:e})=>{
+u.tabReplace&&(e.value=e.value.replace(b,(e=>e.replace(/\t/g,u.tabReplace))))}}
+;function x(e){let t=null;const n=(e=>{let t=e.className+" "
+;t+=e.parentNode?e.parentNode.className:"";const n=u.languageDetectRe.exec(t)
+;if(n){const t=N(n[1])
+;return t||(z(o.replace("{}",n[1])),z("Falling back to no-highlight mode for this block.",e)),
+t?n[1]:"no-highlight"}return t.split(/\s+/).find((e=>h(e)||N(e)))})(e)
+;if(h(n))return;M("before:highlightElement",{el:e,language:n}),t=e
+;const i=t.textContent,a=n?d(i,{language:n,ignoreIllegals:!0}):p(i)
+;M("after:highlightElement",{el:e,result:a,text:i
+}),e.innerHTML=a.value,((e,t,n)=>{const i=t?s[t]:n
+;e.classList.add("hljs"),i&&e.classList.add(i)})(e,n,a.language),e.result={
+language:a.language,re:a.relevance,relavance:a.relevance
+},a.second_best&&(e.second_best={language:a.second_best.language,
+re:a.second_best.relevance,relavance:a.second_best.relevance})}const v=()=>{
+v.called||(v.called=!0,
+K("10.6.0","initHighlighting() is deprecated.  Use highlightAll() instead."),
+document.querySelectorAll("pre code").forEach(x))};let w=!1;function y(){
+"loading"!==document.readyState?document.querySelectorAll("pre code").forEach(x):w=!0
+}function N(e){return e=(e||"").toLowerCase(),n[e]||n[s[e]]}
+function R(e,{languageName:t}){"string"==typeof e&&(e=[e]),e.forEach((e=>{
+s[e.toLowerCase()]=t}))}function k(e){const t=N(e)
+;return t&&!t.disableAutodetect}function M(e,t){const n=e;a.forEach((e=>{
+e[n]&&e[n](t)}))}
+"undefined"!=typeof window&&window.addEventListener&&window.addEventListener("DOMContentLoaded",(()=>{
+w&&y()}),!1),Object.assign(e,{highlight:d,highlightAuto:p,highlightAll:y,
+fixMarkup:e=>{
+return K("10.2.0","fixMarkup will be removed entirely in v11.0"),K("10.2.0","Please see https://github.com/highlightjs/highlight.js/issues/2534"),
+t=e,
+u.tabReplace||u.useBR?t.replace(l,(e=>"\n"===e?u.useBR?"<br>":e:u.tabReplace?e.replace(/\t/g,u.tabReplace):e)):t
+;var t},highlightElement:x,
+highlightBlock:e=>(K("10.7.0","highlightBlock will be removed entirely in v12.0"),
+K("10.7.0","Please use highlightElement now."),x(e)),configure:e=>{
+e.useBR&&(K("10.3.0","'useBR' will be removed entirely in v11.0"),
+K("10.3.0","Please see https://github.com/highlightjs/highlight.js/issues/2559")),
+u=V(u,e)},initHighlighting:v,initHighlightingOnLoad:()=>{
+K("10.6.0","initHighlightingOnLoad() is deprecated.  Use highlightAll() instead."),
+w=!0},registerLanguage:(t,i)=>{let s=null;try{s=i(e)}catch(e){
+if(U("Language definition for '{}' could not be registered.".replace("{}",t)),
+!r)throw e;U(e),s=g}
+s.name||(s.name=t),n[t]=s,s.rawDefinition=i.bind(null,e),s.aliases&&R(s.aliases,{
+languageName:t})},unregisterLanguage:e=>{delete n[e]
+;for(const t of Object.keys(s))s[t]===e&&delete s[t]},
+listLanguages:()=>Object.keys(n),getLanguage:N,registerAliases:R,
+requireLanguage:e=>{
+K("10.4.0","requireLanguage will be removed entirely in v11."),
+K("10.4.0","Please see https://github.com/highlightjs/highlight.js/pull/2844")
+;const t=N(e);if(t)return t
+;throw Error("The '{}' language is required, but not loaded.".replace("{}",e))},
+autoDetection:k,inherit:V,addPlugin:e=>{(e=>{
+e["before:highlightBlock"]&&!e["before:highlightElement"]&&(e["before:highlightElement"]=t=>{
+e["before:highlightBlock"](Object.assign({block:t.el},t))
+}),e["after:highlightBlock"]&&!e["after:highlightElement"]&&(e["after:highlightElement"]=t=>{
+e["after:highlightBlock"](Object.assign({block:t.el},t))})})(e),a.push(e)},
+vuePlugin:P(e).VuePlugin}),e.debugMode=()=>{r=!1},e.safeMode=()=>{r=!0
+},e.versionString="10.7.2";for(const e in _)"object"==typeof _[e]&&t(_[e])
+;return Object.assign(e,_),e.addPlugin(m),e.addPlugin(D),e.addPlugin(E),e})({})
+}();"object"==typeof exports&&"undefined"!=typeof module&&(module.exports=hljs);hljs.registerLanguage("xml",(()=>{"use strict";function e(e){
+return e?"string"==typeof e?e:e.source:null}function n(e){return a("(?=",e,")")}
+function a(...n){return n.map((n=>e(n))).join("")}function s(...n){
+return"("+n.map((n=>e(n))).join("|")+")"}return e=>{
+const t=a(/[A-Z_]/,a("(",/[A-Z0-9_.-]*:/,")?"),/[A-Z0-9_.-]*/),i={
+className:"symbol",begin:/&[a-z]+;|&#[0-9]+;|&#x[a-f0-9]+;/},r={begin:/\s/,
+contains:[{className:"meta-keyword",begin:/#?[a-z_][a-z1-9_-]+/,illegal:/\n/}]
+},c=e.inherit(r,{begin:/\(/,end:/\)/}),l=e.inherit(e.APOS_STRING_MODE,{
+className:"meta-string"}),g=e.inherit(e.QUOTE_STRING_MODE,{
+className:"meta-string"}),m={endsWithParent:!0,illegal:/</,relevance:0,
+contains:[{className:"attr",begin:/[A-Za-z0-9._:-]+/,relevance:0},{begin:/=\s*/,
+relevance:0,contains:[{className:"string",endsParent:!0,variants:[{begin:/"/,
+end:/"/,contains:[i]},{begin:/'/,end:/'/,contains:[i]},{begin:/[^\s"'=<>`]+/}]}]
+}]};return{name:"HTML, XML",
+aliases:["html","xhtml","rss","atom","xjb","xsd","xsl","plist","wsf","svg"],
+case_insensitive:!0,contains:[{className:"meta",begin:/<![a-z]/,end:/>/,
+relevance:10,contains:[r,g,l,c,{begin:/\[/,end:/\]/,contains:[{className:"meta",
+begin:/<![a-z]/,end:/>/,contains:[r,c,g,l]}]}]},e.COMMENT(/<!--/,/-->/,{
+relevance:10}),{begin:/<!\[CDATA\[/,end:/\]\]>/,relevance:10},i,{
+className:"meta",begin:/<\?xml/,end:/\?>/,relevance:10},{className:"tag",
+begin:/<style(?=\s|>)/,end:/>/,keywords:{name:"style"},contains:[m],starts:{
+end:/<\/style>/,returnEnd:!0,subLanguage:["css","xml"]}},{className:"tag",
+begin:/<script(?=\s|>)/,end:/>/,keywords:{name:"script"},contains:[m],starts:{
+end:/<\/script>/,returnEnd:!0,subLanguage:["javascript","handlebars","xml"]}},{
+className:"tag",begin:/<>|<\/>/},{className:"tag",
+begin:a(/</,n(a(t,s(/\/>/,/>/,/\s/)))),end:/\/?>/,contains:[{className:"name",
+begin:t,relevance:0,starts:m}]},{className:"tag",begin:a(/<\//,n(a(t,/>/))),
+contains:[{className:"name",begin:t,relevance:0},{begin:/>/,relevance:0,
+endsParent:!0}]}]}}})());
diff --git a/highlight.js/styles/default.css b/highlight.js/styles/default.css
new file mode 100644
index 0000000..b3f5ba7
--- /dev/null
+++ b/highlight.js/styles/default.css
@@ -0,0 +1,110 @@
+/*
+
+Original highlight.js style (c) Ivan Sagalaev <maniac@softwaremaniacs.org>
+
+*/
+:root {
+  --xml_text: #cb1212;
+	--xml_meta: #1f7199;
+	--xml_name_weight: normal;
+	--xml_name_color: #000000;
+}
+
+
+.hljs {
+  display: block;
+}
+
+.hljs-tag {
+	font-weight: bolder;
+	color: var(--text);
+}
+/* Base color: saturation 0; */
+
+.hljs,
+.hljs-subst {
+  /* color: #444; */
+	color: var(--xml_text);
+	font-weight: bold;
+}
+
+.hljs-comment {
+	color: var(--text);
+}
+
+.hljs-keyword,
+.hljs-attribute,
+.hljs-selector-tag,
+.hljs-meta-keyword,
+.hljs-doctag,
+.hljs-name {
+  color: var(--xml_name_color);
+	font-weight: var(--xml_name_weight);
+}
+
+
+/* User color: hue: 0 */
+
+.hljs-type,
+.hljs-string,
+.hljs-number,
+.hljs-selector-id,
+.hljs-selector-class,
+.hljs-quote,
+.hljs-template-tag,
+.hljs-deletion {
+	color: var(--xml_text);
+}
+
+.hljs-title,
+.hljs-section {
+	color: var(--xml_text);
+  font-weight: bold;
+}
+
+.hljs-regexp,
+.hljs-symbol,
+.hljs-variable,
+.hljs-template-variable,
+.hljs-link,
+.hljs-selector-attr,
+.hljs-selector-pseudo {
+	color: var(--xml_text);
+}
+
+
+/* Language color: hue: 90; */
+
+.hljs-literal {
+	color: var(--green);
+}
+
+.hljs-built_in,
+.hljs-bullet,
+.hljs-code,
+.hljs-addition {
+	color: var(--green);
+}
+
+
+/* Meta color: hue: 200 */
+
+.hljs-meta {
+	color: var(--xml_meta);
+	font-weight: bold;
+}
+
+.hljs-meta-string {
+	color: var(--xml_meta);
+}
+
+
+/* Misc effects */
+
+.hljs-emphasis {
+  font-style: italic;
+}
+
+.hljs-strong {
+  font-weight: bold;
+}
diff --git a/highlight.js/styles/dusk2dawn.css b/highlight.js/styles/dusk2dawn.css
new file mode 100644
index 0000000..a3da99c
--- /dev/null
+++ b/highlight.js/styles/dusk2dawn.css
@@ -0,0 +1,16 @@
+/*
+
+Original highlight.js style (c) Ivan Sagalaev <maniac@softwaremaniacs.org>
+
+*/
+
+/* Include default.css */
+@import "default.css";
+
+/* All colors are controlled by the following section */
+:root {
+  --xml_text: #6cff7c;
+	--xml_meta: #1f7199;
+	--xml_name_weight: normal;
+	--xml_name_color: var(--text);
+}