Package_html_static.mk | 2
help3xsl/README.prism.js.txt | 39 +
help3xsl/default.css | 31 -
help3xsl/online_transform.xsl | 14
help3xsl/prism.css | 270 +++++++++
help3xsl/prism.js | 1190 ++++++++++++++++++++++++++++++++++++++++++
6 files changed, 1508 insertions(+), 38 deletions(-)
New commits:
commit 635750a0cda2e9f6f906e10e33a087b579a74ba8
Author: Olivier Hallot <olivier.hal...@libreoffice.org>
AuthorDate: Thu Nov 29 11:09:15 2018 -0200
Commit: Olivier Hallot <olivier.hal...@libreoffice.org>
CommitDate: Thu Nov 29 21:41:54 2018 +0100
tdf#115663 Syntax highlight in BASIC code examples
Use prism.js to highlight BASIC code in help pages
See README.prism.js.txt for details
added normalize-whitespaces plugin to remove extra 1st line
cleaned some useless css class
Change-Id: I6dde4d217a29f485199ced462b896ee1b500fba0
Reviewed-on: https://gerrit.libreoffice.org/64252
Tested-by: Jenkins
Reviewed-by: Olivier Hallot <olivier.hal...@libreoffice.org>
diff --git a/Package_html_static.mk b/Package_html_static.mk
index 59941b020..a53929878 100644
--- a/Package_html_static.mk
+++ b/Package_html_static.mk
@@ -23,6 +23,8 @@ $(eval $(call
gb_Package_add_files,helpcontent2_html_static,$(LIBO_SHARE_HELP_FO
help2.js \
normalize.css \
paginathing.js \
+ prism.js \
+ prism.css \
))
# vim: set noet sw=4 ts=4:
diff --git a/help3xsl/README.prism.js.txt b/help3xsl/README.prism.js.txt
new file mode 100644
index 000000000..581a1fe71
--- /dev/null
+++ b/help3xsl/README.prism.js.txt
@@ -0,0 +1,39 @@
+Using prism.js for Basic code highlight
+
+http://prismjs.com
+
+License MIT (see prism.js)
+
+Download page http://prismjs.com/download
+
+Theme: Coy
+
+Languages to download: Visual Basic + Python + defaults pre-sets
+
+Plugins: line numbers,
+
+normalize-whitespace: configure after
https://prismjs.com/plugins/normalize-whitespace/
+
+Prism.plugins.NormalizeWhitespace = new NormalizeWhitespace({
+'remove-trailing': true,
+'remove-indent': true,
+'left-trim': true,
+'right-trim': true,
+/*'break-lines': 80,
+'indent': 2,*/
+'remove-initial-line-feed': true,
+/*'tabs-to-spaces': 4,
+'spaces-to-tabs': 4*/
+});
+
+
+Usage:
+
+Add prism.js and prism.css to html page,
+
+Add class 'language-visual-basic' and 'line-numbers' to <code> as in
+
+<xsl:template match="bascode">
+ <div class="bascode" itemscope="true"
itemtype="http://schema.org/SoftwareSourceCode"; itemprop="codeSampleType"
content="snippet">
+ <pre><code class="language-visual-basic line-numbers"><xsl:apply-templates
/></code></pre></div>
+</xsl:template>
diff --git a/help3xsl/default.css b/help3xsl/default.css
index 285d1e900..6cb76ce38 100644
--- a/help3xsl/default.css
+++ b/help3xsl/default.css
@@ -314,37 +314,10 @@ h6 {
font-size:1.2rem;
}
.bascode {
- background-color: #fafafa;
- margin-left: 30px;
- margin-right: 30px;
+ margin-top:15px;
+ margin-bottom: 15px;
}
-.bascodepar {
- font-family: monospace;
-}
-
-/* Basic code syntax highlight */
-.identifier,
-.unknown {
- color: green;
-}
-.keyword {
- color: blue;
-}
-.comment {
- color: gray;
-}
-.number,
-.string {
- color: red;
-}
-.operator,
-.parameter {
- color: black;
-}
-.hotlink {
- color: blue;
-}
.infopage {
color: green;
font-size: 1.33rem;
diff --git a/help3xsl/online_transform.xsl b/help3xsl/online_transform.xsl
index 59eb5120a..e5671e22f 100644
--- a/help3xsl/online_transform.xsl
+++ b/help3xsl/online_transform.xsl
@@ -152,11 +152,13 @@
<link rel="shortcut icon" href="{$target}media/navigation/favicon.ico"
/>
<link type="text/css" href="{$target}normalize.css" rel="Stylesheet"
/>
<link type="text/css" href="{$target}default.css" rel="Stylesheet" />
+ <link type="text/css" href="{$target}prism.css" rel="Stylesheet" />
<script type="text/javascript" src="{$target}help2.js"></script>
<script type="text/javascript" src="{$target}languages.js"></script>
<script type="text/javascript"
src="{$target}{$lang}/langnames.js"></script>
<script type="text/javascript" src="{$target}fuzzysort.js"></script>
<script type="text/javascript" src="{$target}paginathing.js"></script>
+ <script type="text/javascript" src="{$target}prism.js"></script>
<meta name="viewport" content="width=device-width,initial-scale=1"/>
</head>
<body itemscope="true" itemtype="http://schema.org/TechArticle";>
@@ -552,7 +554,7 @@
</xsl:when>
<xsl:when test="@role='bascode'">
- <xsl:call-template name="insertbascode" />
+ <xsl:value-of select="." />
</xsl:when>
<xsl:when test="@role='logocode'">
@@ -925,7 +927,6 @@
</xsl:template>
-
<!-- Insert Paragraph -->
<xsl:template name="insertpara">
<xsl:variable name="role">
@@ -942,15 +943,10 @@
</xsl:template>
<xsl:template match="bascode">
- <div class="bascode" itemscope="true"
itemtype="http://schema.org/SoftwareSourceCode"; itemprop="codeSampleType"
content="snippet"><xsl:apply-templates /></div>
+ <div class="bascode" itemscope="true"
itemtype="http://schema.org/SoftwareSourceCode"; itemprop="codeSampleType"
content="snippet"><pre><code class="language-visual-basic
line-numbers"><xsl:apply-templates /></code></pre></div>
</xsl:template>
<xsl:template match="bascode" mode="embedded">
- <div class="bascode" itemscope="true"
itemtype="http://schema.org/SoftwareSourceCode"; itemprop="codeSampleType"
content="snippet"><xsl:apply-templates /></div>
-</xsl:template>
-
-<!-- Insert Basic code snippet -->
-<xsl:template name="insertbascode">
- <pre class="bascodepar"><xsl:apply-templates /></pre><br/>
+ <div class="bascode" itemscope="true"
itemtype="http://schema.org/SoftwareSourceCode"; itemprop="codeSampleType"
content="snippet"><pre><code class="language-visual-basic
line-numbers"><xsl:apply-templates mode="embedded" /></code></pre></div>
</xsl:template>
<!-- Insert Logo code snippet -->
diff --git a/help3xsl/prism.css b/help3xsl/prism.css
new file mode 100644
index 000000000..6e31d4d8f
--- /dev/null
+++ b/help3xsl/prism.css
@@ -0,0 +1,270 @@
+/* PrismJS 1.15.0
+https://prismjs.com/download.html#themes=prism-coy&languages=markup+css+clike+javascript+python+visual-basic&plugins=line-numbers+normalize-whitespace
*/
+/**
+ * prism.js Coy theme for JavaScript, CoffeeScript, CSS and HTML
+ * Based on https://github.com/tshedor/workshop-wp-theme (Example:
http://workshop.kansan.com/category/sessions/basics or
http://workshop.timshedor.com/category/sessions/basics);
+ * @author Tim Shedor
+ */
+
+code[class*="language-"],
+pre[class*="language-"] {
+ color: black;
+ background: none;
+ font-family: Consolas, Monaco, 'Andale Mono', 'Ubuntu Mono', monospace;
+ text-align: left;
+ white-space: pre;
+ word-spacing: normal;
+ word-break: normal;
+ word-wrap: normal;
+ line-height: 1.5;
+
+ -moz-tab-size: 4;
+ -o-tab-size: 4;
+ tab-size: 4;
+
+ -webkit-hyphens: none;
+ -moz-hyphens: none;
+ -ms-hyphens: none;
+ hyphens: none;
+}
+
+/* Code blocks */
+pre[class*="language-"] {
+ position: relative;
+ margin: .5em 0;
+ overflow: visible;
+ padding: 0;
+}
+pre[class*="language-"]>code {
+ position: relative;
+ border-left: 10px solid #358ccb;
+ box-shadow: -1px 0px 0px 0px #358ccb, 0px 0px 0px 1px #dfdfdf;
+ background-color: #fdfdfd;
+ background-image: linear-gradient(transparent 50%, rgba(69, 142, 209,
0.04) 50%);
+ background-size: 3em 3em;
+ background-origin: content-box;
+ background-attachment: local;
+}
+
+code[class*="language"] {
+ max-height: inherit;
+ height: inherit;
+ padding: 0 1em;
+ display: block;
+ overflow: auto;
+}
+
+/* Margin bottom to accommodate shadow */
+:not(pre) > code[class*="language-"],
+pre[class*="language-"] {
+ background-color: #fdfdfd;
+ -webkit-box-sizing: border-box;
+ -moz-box-sizing: border-box;
+ box-sizing: border-box;
+ margin-bottom: 1em;
+}
+
+/* Inline code */
+:not(pre) > code[class*="language-"] {
+ position: relative;
+ padding: .2em;
+ border-radius: 0.3em;
+ color: #c92c2c;
+ border: 1px solid rgba(0, 0, 0, 0.1);
+ display: inline;
+ white-space: normal;
+}
+
+pre[class*="language-"]:before,
+pre[class*="language-"]:after {
+ content: '';
+ z-index: -2;
+ display: block;
+ position: absolute;
+ bottom: 0.75em;
+ left: 0.18em;
+ width: 40%;
+ height: 20%;
+ max-height: 13em;
+ box-shadow: 0px 13px 8px #979797;
+ -webkit-transform: rotate(-2deg);
+ -moz-transform: rotate(-2deg);
+ -ms-transform: rotate(-2deg);
+ -o-transform: rotate(-2deg);
+ transform: rotate(-2deg);
+}
+
+:not(pre) > code[class*="language-"]:after,
+pre[class*="language-"]:after {
+ right: 0.75em;
+ left: auto;
+ -webkit-transform: rotate(2deg);
+ -moz-transform: rotate(2deg);
+ -ms-transform: rotate(2deg);
+ -o-transform: rotate(2deg);
+ transform: rotate(2deg);
+}
+
+.token.comment,
+.token.block-comment,
+.token.prolog,
+.token.doctype,
+.token.cdata {
+ color: #7D8B99;
+}
+
+.token.punctuation {
+ color: #5F6364;
+}
+
+.token.property,
+.token.tag,
+.token.boolean,
+.token.number,
+.token.function-name,
+.token.constant,
+.token.symbol,
+.token.deleted {
+ color: #c92c2c;
+}
+
+.token.selector,
+.token.attr-name,
+.token.string,
+.token.char,
+.token.function,
+.token.builtin,
+.token.inserted {
+ color: #2f9c0a;
+}
+
+.token.operator,
+.token.entity,
+.token.url,
+.token.variable {
+ color: #a67f59;
+ background: rgba(255, 255, 255, 0.5);
+}
+
+.token.atrule,
+.token.attr-value,
+.token.keyword,
+.token.class-name {
+ color: #1990b8;
+}
+
+.token.regex,
+.token.important {
+ color: #e90;
+}
+
+.language-css .token.string,
+.style .token.string {
+ color: #a67f59;
+ background: rgba(255, 255, 255, 0.5);
+}
+
+.token.important {
+ font-weight: normal;
+}
+
+.token.bold {
+ font-weight: bold;
+}
+.token.italic {
+ font-style: italic;
+}
+
+.token.entity {
+ cursor: help;
+}
+
+.namespace {
+ opacity: .7;
+}
+
+@media screen and (max-width: 767px) {
+ pre[class*="language-"]:before,
+ pre[class*="language-"]:after {
+ bottom: 14px;
+ box-shadow: none;
+ }
+
+}
+
+/* Plugin styles */
+.token.tab:not(:empty):before,
+.token.cr:before,
+.token.lf:before {
+ color: #e0d7d1;
+}
+
+/* Plugin styles: Line Numbers */
+pre[class*="language-"].line-numbers.line-numbers {
+ padding-left: 0;
+}
+
+pre[class*="language-"].line-numbers.line-numbers code {
+ padding-left: 3.8em;
+}
+
+pre[class*="language-"].line-numbers.line-numbers .line-numbers-rows {
+ left: 0;
+}
+
+/* Plugin styles: Line Highlight */
+pre[class*="language-"][data-line] {
+ padding-top: 0;
+ padding-bottom: 0;
+ padding-left: 0;
+}
+pre[data-line] code {
+ position: relative;
+ padding-left: 4em;
+}
+pre .line-highlight {
+ margin-top: 0;
+}
+
+pre[class*="language-"].line-numbers {
+ position: relative;
+ padding-left: 3.8em;
+ counter-reset: linenumber;
+}
+
+pre[class*="language-"].line-numbers > code {
+ position: relative;
+ white-space: inherit;
+}
+
+.line-numbers .line-numbers-rows {
+ position: absolute;
+ pointer-events: none;
+ top: 0;
+ font-size: 100%;
+ left: -3.8em;
+ width: 3em; /* works for line-numbers below 1000 lines */
+ letter-spacing: -1px;
+ border-right: 1px solid #999;
+
+ -webkit-user-select: none;
+ -moz-user-select: none;
+ -ms-user-select: none;
+ user-select: none;
+
+}
+
+ .line-numbers-rows > span {
+ pointer-events: none;
+ display: block;
+ counter-increment: linenumber;
+ }
+
+ .line-numbers-rows > span:before {
+ content: counter(linenumber);
+ color: #999;
+ display: block;
+ padding-right: 0.8em;
+ text-align: right;
+ }
+
diff --git a/help3xsl/prism.js b/help3xsl/prism.js
new file mode 100644
index 000000000..c085b09b0
--- /dev/null
+++ b/help3xsl/prism.js
@@ -0,0 +1,1190 @@
+/* PrismJS 1.15.0
+https://prismjs.com/download.html#themes=prism-coy&languages=markup+css+clike+javascript+python+visual-basic&plugins=line-numbers+normalize-whitespace
*/
+var _self = (typeof window !== 'undefined')
+ ? window // if in browser
+ : (
+ (typeof WorkerGlobalScope !== 'undefined' && self instanceof
WorkerGlobalScope)
+ ? self // if in worker
+ : {} // if in node js
+ );
+
+/**
+ * Prism: Lightweight, robust, elegant syntax highlighting
+ * MIT license http://www.opensource.org/licenses/mit-license.php/
+ * @author Lea Verou http://lea.verou.me
+ */
+
+var Prism = (function(){
+
+// Private helper vars
+var lang = /\blang(?:uage)?-([\w-]+)\b/i;
+var uniqueId = 0;
+
+var _ = _self.Prism = {
+ manual: _self.Prism && _self.Prism.manual,
+ disableWorkerMessageHandler: _self.Prism &&
_self.Prism.disableWorkerMessageHandler,
+ util: {
+ encode: function (tokens) {
+ if (tokens instanceof Token) {
+ return new Token(tokens.type,
_.util.encode(tokens.content), tokens.alias);
+ } else if (_.util.type(tokens) === 'Array') {
+ return tokens.map(_.util.encode);
+ } else {
+ return tokens.replace(/&/g,
'&').replace(/</g, '<').replace(/\u00a0/g, ' ');
+ }
+ },
+
+ type: function (o) {
+ return Object.prototype.toString.call(o).slice(8, -1);
+ },
+
+ objId: function (obj) {
+ if (!obj['__id']) {
+ Object.defineProperty(obj, '__id', { value:
++uniqueId });
+ }
+ return obj['__id'];
+ },
+
+ // Deep clone a language definition (e.g. to extend it)
+ clone: function (o, visited) {
+ var type = _.util.type(o);
+ visited = visited || {};
+
+ switch (type) {
+ case 'Object':
+ if (visited[_.util.objId(o)]) {
+ return visited[_.util.objId(o)];
+ }
+ var clone = {};
+ visited[_.util.objId(o)] = clone;
+
+ for (var key in o) {
+ if (o.hasOwnProperty(key)) {
+ clone[key] =
_.util.clone(o[key], visited);
+ }
+ }
+
+ return clone;
+
+ case 'Array':
+ if (visited[_.util.objId(o)]) {
+ return visited[_.util.objId(o)];
+ }
+ var clone = [];
+ visited[_.util.objId(o)] = clone;
+
+ o.forEach(function (v, i) {
+ clone[i] = _.util.clone(v,
visited);
+ });
+
+ return clone;
+ }
+
+ return o;
+ }
+ },
+
+ languages: {
+ extend: function (id, redef) {
+ var lang = _.util.clone(_.languages[id]);
+
+ for (var key in redef) {
+ lang[key] = redef[key];
+ }
+
+ return lang;
+ },
+
+ /**
+ * Insert a token before another token in a language literal
+ * As this needs to recreate the object (we cannot actually
insert before keys in object literals),
+ * we cannot just provide an object, we need anobject and a key.
+ * @param inside The key (or language id) of the parent
+ * @param before The key to insert before. If not provided, the
function appends instead.
+ * @param insert Object with the key/value pairs to insert
+ * @param root The object that contains `inside`. If equal to
Prism.languages, it can be omitted.
+ */
+ insertBefore: function (inside, before, insert, root) {
+ root = root || _.languages;
+ var grammar = root[inside];
+
+ if (arguments.length == 2) {
+ insert = arguments[1];
+
+ for (var newToken in insert) {
+ if (insert.hasOwnProperty(newToken)) {
+ grammar[newToken] =
insert[newToken];
+ }
+ }
+
+ return grammar;
+ }
+
+ var ret = {};
+
+ for (var token in grammar) {
+
+ if (grammar.hasOwnProperty(token)) {
+
+ if (token == before) {
+
+ for (var newToken in insert) {
+
+ if
(insert.hasOwnProperty(newToken)) {
+ ret[newToken] =
insert[newToken];
+ }
+ }
+ }
+
+ ret[token] = grammar[token];
+ }
+ }
+
+ var old = root[inside];
+ root[inside] = ret;
+
+ // Update references in other language definitions
+ _.languages.DFS(_.languages, function(key, value) {
+ if (value === old && key != inside) {
+ this[key] = ret;
+ }
+ });
+
+ return ret;
+ },
+
+ // Traverse a language definition with Depth First Search
+ DFS: function(o, callback, type, visited) {
+ visited = visited || {};
+ for (var i in o) {
+ if (o.hasOwnProperty(i)) {
+ callback.call(o, i, o[i], type || i);
+
+ if (_.util.type(o[i]) === 'Object' &&
!visited[_.util.objId(o[i])]) {
+ visited[_.util.objId(o[i])] =
true;
+ _.languages.DFS(o[i], callback,
null, visited);
+ }
+ else if (_.util.type(o[i]) === 'Array'
&& !visited[_.util.objId(o[i])]) {
+ visited[_.util.objId(o[i])] =
true;
+ _.languages.DFS(o[i], callback,
i, visited);
+ }
+ }
+ }
+ }
+ },
+ plugins: {},
+
+ highlightAll: function(async, callback) {
+ _.highlightAllUnder(document, async, callback);
+ },
+
+ highlightAllUnder: function(container, async, callback) {
+ var env = {
+ callback: callback,
+ selector: 'code[class*="language-"],
[class*="language-"] code, code[class*="lang-"], [class*="lang-"] code'
+ };
+
+ _.hooks.run("before-highlightall", env);
+
+ var elements = env.elements ||
container.querySelectorAll(env.selector);
+
+ for (var i=0, element; element = elements[i++];) {
+ _.highlightElement(element, async === true,
env.callback);
+ }
+ },
+
+ highlightElement: function(element, async, callback) {
+ // Find language
+ var language, grammar, parent = element;
+
+ while (parent && !lang.test(parent.className)) {
+ parent = parent.parentNode;
+ }
+
+ if (parent) {
+ language = (parent.className.match(lang) ||
[,''])[1].toLowerCase();
+ grammar = _.languages[language];
+ }
+
+ // Set language on the element, if not present
+ element.className = element.className.replace(lang,
'').replace(/\s+/g, ' ') + ' language-' + language;
+
+ if (element.parentNode) {
+ // Set language on the parent, for styling
+ parent = element.parentNode;
+
+ if (/pre/i.test(parent.nodeName)) {
+ parent.className =
parent.className.replace(lang, '').replace(/\s+/g, ' ') + ' language-' +
language;
+ }
+ }
+
+ var code = element.textContent;
+
+ var env = {
+ element: element,
+ language: language,
+ grammar: grammar,
+ code: code
+ };
+
+ _.hooks.run('before-sanity-check', env);
+
+ if (!env.code || !env.grammar) {
+ if (env.code) {
+ _.hooks.run('before-highlight', env);
+ env.element.textContent = env.code;
+ _.hooks.run('after-highlight', env);
+ }
+ _.hooks.run('complete', env);
+ return;
+ }
+
+ _.hooks.run('before-highlight', env);
+
+ if (async && _self.Worker) {
+ var worker = new Worker(_.filename);
+
+ worker.onmessage = function(evt) {
+ env.highlightedCode = evt.data;
+
+ _.hooks.run('before-insert', env);
+
+ env.element.innerHTML = env.highlightedCode;
+
+ _.hooks.run('after-highlight', env);
+ _.hooks.run('complete', env);
+ callback && callback.call(env.element);
+ };
+
+ worker.postMessage(JSON.stringify({
+ language: env.language,
+ code: env.code,
+ immediateClose: true
+ }));
+ }
+ else {
+ env.highlightedCode = _.highlight(env.code,
env.grammar, env.language);
+
+ _.hooks.run('before-insert', env);
+
+ env.element.innerHTML = env.highlightedCode;
+
+ _.hooks.run('after-highlight', env);
+
+ _.hooks.run('complete', env);
+
+ callback && callback.call(element);
+ }
+ },
+
+ highlight: function (text, grammar, language) {
+ var env = {
+ code: text,
+ grammar: grammar,
+ language: language
+ };
+ _.hooks.run('before-tokenize', env);
+ env.tokens = _.tokenize(env.code, env.grammar);
+ _.hooks.run('after-tokenize', env);
+ return Token.stringify(_.util.encode(env.tokens), env.language);
+ },
+
+ matchGrammar: function (text, strarr, grammar, index, startPos,
oneshot, target) {
+ var Token = _.Token;
+
+ for (var token in grammar) {
+ if(!grammar.hasOwnProperty(token) || !grammar[token]) {
+ continue;
+ }
+
+ if (token == target) {
+ return;
+ }
+
+ var patterns = grammar[token];
+ patterns = (_.util.type(patterns) === "Array") ?
patterns : [patterns];
+
+ for (var j = 0; j < patterns.length; ++j) {
+ var pattern = patterns[j],
+ inside = pattern.inside,
+ lookbehind = !!pattern.lookbehind,
+ greedy = !!pattern.greedy,
+ lookbehindLength = 0,
+ alias = pattern.alias;
+
+ if (greedy && !pattern.pattern.global) {
+ // Without the global flag, lastIndex
won't work
+ var flags =
pattern.pattern.toString().match(/[imuy]*$/)[0];
+ pattern.pattern =
RegExp(pattern.pattern.source, flags + "g");
+ }
+
+ pattern = pattern.pattern || pattern;
+
+ // Don’t cache length as it changes during the
loop
+ for (var i = index, pos = startPos; i <
strarr.length; pos += strarr[i].length, ++i) {
+
+ var str = strarr[i];
+
+ if (strarr.length > text.length) {
+ // Something went terribly
wrong, ABORT, ABORT!
+ return;
+ }
+
+ if (str instanceof Token) {
+ continue;
+ }
+
+ if (greedy && i != strarr.length - 1) {
+ pattern.lastIndex = pos;
+ var match = pattern.exec(text);
+ if (!match) {
+ break;
+ }
+
+ var from = match.index +
(lookbehind ? match[1].length : 0),
+ to = match.index +
match[0].length,
+ k = i,
+ p = pos;
+
+ for (var len = strarr.length; k
< len && (p < to || (!strarr[k].type && !strarr[k - 1].greedy)); ++k) {
+ p += strarr[k].length;
+ // Move the index i to
the element in strarr that is closest to from
+ if (from >= p) {
+ ++i;
+ pos = p;
+ }
+ }
+
+ // If strarr[i] is a Token,
then the match starts inside another Token, which is invalid
+ if (strarr[i] instanceof Token)
{
+ continue;
+ }
+
+ // Number of tokens to delete
and replace with the new match
+ delNum = k - i;
+ str = text.slice(pos, p);
+ match.index -= pos;
+ } else {
+ pattern.lastIndex = 0;
+
+ var match = pattern.exec(str),
+ delNum = 1;
+ }
+
+ if (!match) {
+ if (oneshot) {
+ break;
+ }
+
+ continue;
+ }
+
+ if(lookbehind) {
+ lookbehindLength = match[1] ?
match[1].length : 0;
+ }
+
+ var from = match.index +
lookbehindLength,
+ match =
match[0].slice(lookbehindLength),
+ to = from + match.length,
+ before = str.slice(0, from),
+ after = str.slice(to);
+
+ var args = [i, delNum];
+
+ if (before) {
+ ++i;
+ pos += before.length;
+ args.push(before);
+ }
+
+ var wrapped = new Token(token, inside?
_.tokenize(match, inside) : match, alias, match, greedy);
+
+ args.push(wrapped);
+
+ if (after) {
+ args.push(after);
+ }
+
+ Array.prototype.splice.apply(strarr,
args);
+
+ if (delNum != 1)
+ _.matchGrammar(text, strarr,
grammar, i, pos, true, token);
+
+ if (oneshot)
+ break;
+ }
+ }
+ }
+ },
+
+ tokenize: function(text, grammar, language) {
+ var strarr = [text];
+
+ var rest = grammar.rest;
+
+ if (rest) {
+ for (var token in rest) {
+ grammar[token] = rest[token];
+ }
+
+ delete grammar.rest;
+ }
+
+ _.matchGrammar(text, strarr, grammar, 0, 0, false);
+
+ return strarr;
+ },
+
+ hooks: {
+ all: {},
+
+ add: function (name, callback) {
+ var hooks = _.hooks.all;
+
+ hooks[name] = hooks[name] || [];
+
+ hooks[name].push(callback);
+ },
+
+ run: function (name, env) {
+ var callbacks = _.hooks.all[name];
+
+ if (!callbacks || !callbacks.length) {
+ return;
+ }
+
+ for (var i=0, callback; callback = callbacks[i++];) {
+ callback(env);
+ }
+ }
+ }
+};
+
+var Token = _.Token = function(type, content, alias, matchedStr, greedy) {
+ this.type = type;
+ this.content = content;
+ this.alias = alias;
+ // Copy of the full string this token was created from
+ this.length = (matchedStr || "").length|0;
+ this.greedy = !!greedy;
+};
+
+Token.stringify = function(o, language, parent) {
+ if (typeof o == 'string') {
+ return o;
+ }
+
+ if (_.util.type(o) === 'Array') {
+ return o.map(function(element) {
+ return Token.stringify(element, language, o);
+ }).join('');
+ }
+
+ var env = {
+ type: o.type,
+ content: Token.stringify(o.content, language, parent),
+ tag: 'span',
+ classes: ['token', o.type],
+ attributes: {},
+ language: language,
+ parent: parent
+ };
+
+ if (o.alias) {
+ var aliases = _.util.type(o.alias) === 'Array' ? o.alias :
[o.alias];
+ Array.prototype.push.apply(env.classes, aliases);
+ }
+
+ _.hooks.run('wrap', env);
+
+ var attributes = Object.keys(env.attributes).map(function(name) {
+ return name + '="' + (env.attributes[name] || '').replace(/"/g,
'"') + '"';
+ }).join(' ');
+
+ return '<' + env.tag + ' class="' + env.classes.join(' ') + '"' +
(attributes ? ' ' + attributes : '') + '>' + env.content + '</' + env.tag + '>';
+
+};
+
+if (!_self.document) {
+ if (!_self.addEventListener) {
+ // in Node.js
+ return _self.Prism;
+ }
+
+ if (!_.disableWorkerMessageHandler) {
+ // In worker
+ _self.addEventListener('message', function (evt) {
+ var message = JSON.parse(evt.data),
+ lang = message.language,
+ code = message.code,
+ immediateClose = message.immediateClose;
+
+ _self.postMessage(_.highlight(code, _.languages[lang],
lang));
+ if (immediateClose) {
+ _self.close();
+ }
+ }, false);
+ }
+
+ return _self.Prism;
+}
+
+//Get current script and highlight
+var script = document.currentScript ||
[].slice.call(document.getElementsByTagName("script")).pop();
+
+if (script) {
+ _.filename = script.src;
+
+ if (!_.manual && !script.hasAttribute('data-manual')) {
+ if(document.readyState !== "loading") {
+ if (window.requestAnimationFrame) {
+ window.requestAnimationFrame(_.highlightAll);
+ } else {
+ window.setTimeout(_.highlightAll, 16);
+ }
+ }
+ else {
+ document.addEventListener('DOMContentLoaded',
_.highlightAll);
+ }
+ }
+}
+
+return _self.Prism;
+
+})();
+
+if (typeof module !== 'undefined' && module.exports) {
+ module.exports = Prism;
+}
+
+// hack for components to work correctly in node.js
+if (typeof global !== 'undefined') {
+ global.Prism = Prism;
+}
+;
+Prism.languages.markup = {
+ 'comment': /<!--[\s\S]*?-->/,
+ 'prolog': /<\?[\s\S]+?\?>/,
+ 'doctype': /<!DOCTYPE[\s\S]+?>/i,
+ 'cdata': /<!\[CDATA\[[\s\S]*?]]>/i,
+ 'tag': {
+ pattern:
/<\/?(?!\d)[^\s>\/=$<%]+(?:\s+[^\s>\/=]+(?:=(?:("|')(?:\\[\s\S]|(?!\1)[^\\])*\1|[^\s'">=]+))?)*\s*\/?>/i,
+ greedy: true,
+ inside: {
+ 'tag': {
+ pattern: /^<\/?[^\s>\/]+/i,
+ inside: {
+ 'punctuation': /^<\/?/,
+ 'namespace': /^[^\s>\/:]+:/
+ }
+ },
+ 'attr-value': {
+ pattern:
/=(?:("|')(?:\\[\s\S]|(?!\1)[^\\])*\1|[^\s'">=]+)/i,
+ inside: {
+ 'punctuation': [
+ /^=/,
+ {
+ pattern:
/(^|[^\\])["']/,
+ lookbehind: true
+ }
+ ]
+ }
+ },
+ 'punctuation': /\/?>/,
+ 'attr-name': {
+ pattern: /[^\s>\/]+/,
+ inside: {
+ 'namespace': /^[^\s>\/:]+:/
+ }
+ }
+
+ }
+ },
+ 'entity': /&#?[\da-z]{1,8};/i
+};
+
+Prism.languages.markup['tag'].inside['attr-value'].inside['entity'] =
+ Prism.languages.markup['entity'];
+
+// Plugin to make entity title show the real entity, idea by Roman Komarov
+Prism.hooks.add('wrap', function(env) {
+
+ if (env.type === 'entity') {
+ env.attributes['title'] = env.content.replace(/&/, '&');
+ }
+});
+
+Prism.languages.xml = Prism.languages.markup;
+Prism.languages.html = Prism.languages.markup;
+Prism.languages.mathml = Prism.languages.markup;
+Prism.languages.svg = Prism.languages.markup;
+
+Prism.languages.css = {
+ 'comment': /\/\*[\s\S]*?\*\//,
+ 'atrule': {
+ pattern: /@[\w-]+?.*?(?:;|(?=\s*\{))/i,
+ inside: {
+ 'rule': /@[\w-]+/
+ // See rest below
+ }
+ },
+ 'url': /url\((?:(["'])(?:\\(?:\r\n|[\s\S])|(?!\1)[^\\\r\n])*\1|.*?)\)/i,
+ 'selector': /[^{}\s][^{};]*?(?=\s*\{)/,
+ 'string': {
+ pattern: /("|')(?:\\(?:\r\n|[\s\S])|(?!\1)[^\\\r\n])*\1/,
+ greedy: true
+ },
+ 'property': /[-_a-z\xA0-\uFFFF][-\w\xA0-\uFFFF]*(?=\s*:)/i,
+ 'important': /!important\b/i,
+ 'function': /[-a-z0-9]+(?=\()/i,
+ 'punctuation': /[(){};:]/
+};
+
+Prism.languages.css['atrule'].inside.rest = Prism.languages.css;
+
+if (Prism.languages.markup) {
+ Prism.languages.insertBefore('markup', 'tag', {
+ 'style': {
+ pattern: /(<style[\s\S]*?>)[\s\S]*?(?=<\/style>)/i,
+ lookbehind: true,
+ inside: Prism.languages.css,
+ alias: 'language-css',
+ greedy: true
+ }
+ });
+
+ Prism.languages.insertBefore('inside', 'attr-value', {
+ 'style-attr': {
+ pattern: /\s*style=("|')(?:\\[\s\S]|(?!\1)[^\\])*\1/i,
+ inside: {
+ 'attr-name': {
+ pattern: /^\s*style/i,
+ inside:
Prism.languages.markup.tag.inside
+ },
+ 'punctuation': /^\s*=\s*['"]|['"]\s*$/,
+ 'attr-value': {
+ pattern: /.+/i,
+ inside: Prism.languages.css
+ }
+ },
+ alias: 'language-css'
+ }
+ }, Prism.languages.markup.tag);
+}
+;
+Prism.languages.clike = {
+ 'comment': [
+ {
+ pattern: /(^|[^\\])\/\*[\s\S]*?(?:\*\/|$)/,
+ lookbehind: true
+ },
+ {
+ pattern: /(^|[^\\:])\/\/.*/,
+ lookbehind: true,
+ greedy: true
+ }
+ ],
+ 'string': {
+ pattern: /(["'])(?:\\(?:\r\n|[\s\S])|(?!\1)[^\\\r\n])*\1/,
+ greedy: true
+ },
+ 'class-name': {
+ pattern:
/((?:\b(?:class|interface|extends|implements|trait|instanceof|new)\s+)|(?:catch\s+\())[\w.\\]+/i,
+ lookbehind: true,
+ inside: {
+ punctuation: /[.\\]/
+ }
+ },
+ 'keyword':
/\b(?:if|else|while|do|for|return|in|instanceof|function|new|try|throw|catch|finally|null|break|continue)\b/,
+ 'boolean': /\b(?:true|false)\b/,
+ 'function': /\w+(?=\()/,
+ 'number': /\b0x[\da-f]+\b|(?:\b\d+\.?\d*|\B\.\d+)(?:e[+-]?\d+)?/i,
+ 'operator': /--?|\+\+?|!=?=?|<=?|>=?|==?=?|&&?|\|\|?|\?|\*|\/|~|\^|%/,
+ 'punctuation': /[{}[\];(),.:]/
+};
+
+Prism.languages.javascript = Prism.languages.extend('clike', {
+ 'class-name': [
+ Prism.languages.clike['class-name'],
+ {
+ pattern:
/(^|[^$\w\xA0-\uFFFF])[_$A-Z\xA0-\uFFFF][$\w\xA0-\uFFFF]*(?=\.(?:prototype|constructor))/,
+ lookbehind: true
+ }
+ ],
+ 'keyword': [
+ {
+ pattern: /((?:^|})\s*)(?:catch|finally)\b/,
+ lookbehind: true
+ },
+
/\b(?:as|async|await|break|case|class|const|continue|debugger|default|delete|do|else|enum|export|extends|for|from|function|get|if|implements|import|in|instanceof|interface|let|new|null|of|package|private|protected|public|return|set|static|super|switch|this|throw|try|typeof|var|void|while|with|yield)\b/
+ ],
+ 'number':
/\b(?:(?:0[xX][\dA-Fa-f]+|0[bB][01]+|0[oO][0-7]+)n?|\d+n|NaN|Infinity)\b|(?:\b\d+\.?\d*|\B\.\d+)(?:[Ee][+-]?\d+)?/,
+ // Allow for all non-ASCII characters (See
http://stackoverflow.com/a/2008444)
+ 'function':
/[_$a-zA-Z\xA0-\uFFFF][$\w\xA0-\uFFFF]*(?=\s*\(|\.(?:apply|bind|call)\()/,
+ 'operator':
/-[-=]?|\+[+=]?|!=?=?|<<?=?|>>?>?=?|=(?:==?|>)?|&[&=]?|\|[|=]?|\*\*?=?|\/=?|~|\^=?|%=?|\?|\.{3}/
+});
+
+Prism.languages.javascript['class-name'][0].pattern =
/(\b(?:class|interface|extends|implements|instanceof|new)\s+)[\w.\\]+/
+
+Prism.languages.insertBefore('javascript', 'keyword', {
+ 'regex': {
+ pattern:
/((?:^|[^$\w\xA0-\uFFFF."'\])\s])\s*)\/(\[[^\]\r\n]+]|\\.|[^/\\\[\r\n])+\/[gimyu]{0,5}(?=\s*($|[\r\n,.;})\]]))/,
+ lookbehind: true,
+ greedy: true
+ },
+ // This must be declared before keyword because we use "function"
inside the look-forward
+ 'function-variable': {
+ pattern:
/[_$a-z\xA0-\uFFFF][$\w\xA0-\uFFFF]*(?=\s*[=:]\s*(?:function\b|(?:\([^()]*\)|[_$a-z\xA0-\uFFFF][$\w\xA0-\uFFFF]*)\s*=>))/i,
+ alias: 'function'
+ },
+ 'constant': /\b[A-Z][A-Z\d_]*\b/
+});
+
+Prism.languages.insertBefore('javascript', 'string', {
+ 'template-string': {
+ pattern: /`(?:\\[\s\S]|\${[^}]+}|[^\\`])*`/,
+ greedy: true,
+ inside: {
+ 'interpolation': {
+ pattern: /\${[^}]+}/,
+ inside: {
+ 'interpolation-punctuation': {
+ pattern: /^\${|}$/,
+ alias: 'punctuation'
+ },
+ rest: Prism.languages.javascript
+ }
+ },
+ 'string': /[\s\S]+/
+ }
+ }
+});
+
+if (Prism.languages.markup) {
+ Prism.languages.insertBefore('markup', 'tag', {
+ 'script': {
+ pattern: /(<script[\s\S]*?>)[\s\S]*?(?=<\/script>)/i,
+ lookbehind: true,
+ inside: Prism.languages.javascript,
+ alias: 'language-javascript',
+ greedy: true
+ }
+ });
+}
+
+Prism.languages.js = Prism.languages.javascript;
+
+Prism.languages.python = {
+ 'comment': {
+ pattern: /(^|[^\\])#.*/,
+ lookbehind: true
+ },
+ 'triple-quoted-string': {
+ pattern: /("""|''')[\s\S]+?\1/,
+ greedy: true,
+ alias: 'string'
+ },
+ 'string': {
+ pattern: /("|')(?:\\.|(?!\1)[^\\\r\n])*\1/,
+ greedy: true
+ },
+ 'function': {
+ pattern: /((?:^|\s)def[ \t]+)[a-zA-Z_]\w*(?=\s*\()/g,
+ lookbehind: true
+ },
+ 'class-name': {
+ pattern: /(\bclass\s+)\w+/i,
+ lookbehind: true
+ },
+ 'keyword':
/\b(?:and|as|assert|async|await|break|class|continue|def|del|elif|else|except|exec|finally|for|from|global|if|import|in|is|lambda|nonlocal|not|or|pass|print|raise|return|try|while|with|yield)\b/,
+
'builtin':/\b(?:__import__|abs|all|any|apply|ascii|basestring|bin|bool|buffer|bytearray|bytes|callable|chr|classmethod|cmp|coerce|compile|complex|delattr|dict|dir|divmod|enumerate|eval|execfile|file|filter|float|format|frozenset|getattr|globals|hasattr|hash|help|hex|id|input|int|intern|isinstance|issubclass|iter|len|list|locals|long|map|max|memoryview|min|next|object|oct|open|ord|pow|property|range|raw_input|reduce|reload|repr|reversed|round|set|setattr|slice|sorted|staticmethod|str|sum|super|tuple|type|unichr|unicode|vars|xrange|zip)\b/,
+ 'boolean': /\b(?:True|False|None)\b/,
+ 'number':
/(?:\b(?=\d)|\B(?=\.))(?:0[bo])?(?:(?:\d|0x[\da-f])[\da-f]*\.?\d*|\.\d+)(?:e[+-]?\d+)?j?\b/i,
+ 'operator': /[-+%=]=?|!=|\*\*?=?|\/\/?=?|<[<=>]?|>[=>]?|[&|^~]/,
+ 'punctuation': /[{}[\];(),.:]/
+};
+
+Prism.languages['visual-basic'] = {
+ 'comment': {
+ pattern: /(?:['‘’]|REM\b).*/i,
+ inside: {
+ 'keyword': /^REM/i
+ }
+ },
+ 'directive': {
+ pattern:
/#(?:Const|Else|ElseIf|End|ExternalChecksum|ExternalSource|If|Region)(?:[^\S\r\n]_[^\S\r\n]*(?:\r\n?|\n)|.)+/i,
+ alias: 'comment',
+ greedy: true
+ },
+ 'string': {
+ pattern: /["“”](?:["“”]{2}|[^"“”])*["“”]C?/i,
+ greedy: true
+ },
+ 'date': {
+ pattern:
/#[^\S\r\n]*(?:\d+([/-])\d+\1\d+(?:[^\S\r\n]+(?:\d+[^\S\r\n]*(?:AM|PM)|\d+:\d+(?::\d+)?(?:[^\S\r\n]*(?:AM|PM))?))?|(?:\d+[^\S\r\n]*(?:AM|PM)|\d+:\d+(?::\d+)?(?:[^\S\r\n]*(?:AM|PM))?))[^\S\r\n]*#/i,
+ alias: 'builtin'
+ },
+ 'number':
/(?:(?:\b\d+(?:\.\d+)?|\.\d+)(?:E[+-]?\d+)?|&[HO][\dA-F]+)(?:U?[ILS]|[FRD])?/i,
+ 'boolean': /\b(?:True|False|Nothing)\b/i,
+ 'keyword':
/\b(?:AddHandler|AddressOf|Alias|And(?:Also)?|As|Boolean|ByRef|Byte|ByVal|Call|Case|Catch|C(?:Bool|Byte|Char|Date|Dbl|Dec|Int|Lng|Obj|SByte|Short|Sng|Str|Type|UInt|ULng|UShort)|Char|Class|Const|Continue|Date|Decimal|Declare|Default|Delegate|Dim|DirectCast|Do|Double|Each|Else(?:If)?|End(?:If)?|Enum|Erase|Error|Event|Exit|Finally|For|Friend|Function|Get(?:Type|XMLNamespace)?|Global|GoSub|GoTo|Handles|If|Implements|Imports|In|Inherits|Integer|Interface|Is|IsNot|Let|Lib|Like|Long|Loop|Me|Mod|Module|Must(?:Inherit|Override)|My(?:Base|Class)|Namespace|Narrowing|New|Next|Not(?:Inheritable|Overridable)?|Object|Of|On|Operator|Option(?:al)?|Or(?:Else)?|Out|Overloads|Overridable|Overrides|ParamArray|Partial|Private|Property|Protected|Public|RaiseEvent|ReadOnly|ReDim|RemoveHandler|Resume|Return|SByte|Select|Set|Shadows|Shared|short|Single|Static|Step|Stop|String|Structure|Sub|SyncLock|Then|Throw|To|Try|TryCast|TypeOf|U(?:Integer|Long|Short)|Using|Variant|Wend|When|While|Widening|Wit
h(?:Events)?|WriteOnly|Xor)\b/i,
+ 'operator': [
+ /[+\-*/\\^<=>&#@$%!]/,
+ {
+ pattern: /([^\S\r\n])_(?=[^\S\r\n]*[\r\n])/,
+ lookbehind: true
+ }
+ ],
+ 'punctuation': /[{}().,:?]/
+};
+
+Prism.languages.vb = Prism.languages['visual-basic'];
+(function () {
+
+ if (typeof self === 'undefined' || !self.Prism || !self.document) {
+ return;
+ }
+
+ /**
+ * Plugin name which is used as a class name for <pre> which is
activating the plugin
+ * @type {String}
+ */
+ var PLUGIN_NAME = 'line-numbers';
+
+ /**
+ * Regular expression used for determining line breaks
+ * @type {RegExp}
+ */
+ var NEW_LINE_EXP = /\n(?!$)/g;
+
+ /**
+ * Resizes line numbers spans according to height of line of code
+ * @param {Element} element <pre> element
+ */
+ var _resizeElement = function (element) {
+ var codeStyles = getStyles(element);
+ var whiteSpace = codeStyles['white-space'];
+
+ if (whiteSpace === 'pre-wrap' || whiteSpace === 'pre-line') {
+ var codeElement = element.querySelector('code');
+ var lineNumbersWrapper =
element.querySelector('.line-numbers-rows');
+ var lineNumberSizer =
element.querySelector('.line-numbers-sizer');
+ var codeLines =
codeElement.textContent.split(NEW_LINE_EXP);
+
+ if (!lineNumberSizer) {
+ lineNumberSizer =
document.createElement('span');
+ lineNumberSizer.className =
'line-numbers-sizer';
+
+ codeElement.appendChild(lineNumberSizer);
+ }
+
+ lineNumberSizer.style.display = 'block';
+
+ codeLines.forEach(function (line, lineNumber) {
+ lineNumberSizer.textContent = line || '\n';
+ var lineSize =
lineNumberSizer.getBoundingClientRect().height;
+
lineNumbersWrapper.children[lineNumber].style.height = lineSize + 'px';
+ });
+
+ lineNumberSizer.textContent = '';
+ lineNumberSizer.style.display = 'none';
+ }
+ };
+
+ /**
+ * Returns style declarations for the element
+ * @param {Element} element
+ */
+ var getStyles = function (element) {
+ if (!element) {
+ return null;
+ }
+
+ return window.getComputedStyle ? getComputedStyle(element) :
(element.currentStyle || null);
+ };
+
+ window.addEventListener('resize', function () {
+ Array.prototype.forEach.call(document.querySelectorAll('pre.' +
PLUGIN_NAME), _resizeElement);
+ });
+
+ Prism.hooks.add('complete', function (env) {
+ if (!env.code) {
+ return;
+ }
+
+ // works only for <code> wrapped inside <pre> (not inline)
+ var pre = env.element.parentNode;
+ var clsReg = /\s*\bline-numbers\b\s*/;
+ if (
+ !pre || !/pre/i.test(pre.nodeName) ||
+ // Abort only if nor the <pre> nor the <code> have the
class
+ (!clsReg.test(pre.className) &&
!clsReg.test(env.element.className))
+ ) {
+ return;
+ }
+
+ if (env.element.querySelector('.line-numbers-rows')) {
+ // Abort if line numbers already exists
+ return;
+ }
+
+ if (clsReg.test(env.element.className)) {
+ // Remove the class 'line-numbers' from the <code>
+ env.element.className =
env.element.className.replace(clsReg, ' ');
+ }
+ if (!clsReg.test(pre.className)) {
+ // Add the class 'line-numbers' to the <pre>
+ pre.className += ' line-numbers';
+ }
+
+ var match = env.code.match(NEW_LINE_EXP);
+ var linesNum = match ? match.length + 1 : 1;
+ var lineNumbersWrapper;
+
+ var lines = new Array(linesNum + 1);
+ lines = lines.join('<span></span>');
+
+ lineNumbersWrapper = document.createElement('span');
+ lineNumbersWrapper.setAttribute('aria-hidden', 'true');
+ lineNumbersWrapper.className = 'line-numbers-rows';
+ lineNumbersWrapper.innerHTML = lines;
+
+ if (pre.hasAttribute('data-start')) {
+ pre.style.counterReset = 'linenumber ' +
(parseInt(pre.getAttribute('data-start'), 10) - 1);
+ }
+
+ env.element.appendChild(lineNumbersWrapper);
+
+ _resizeElement(pre);
+
+ Prism.hooks.run('line-numbers', env);
+ });
+
+ Prism.hooks.add('line-numbers', function (env) {
+ env.plugins = env.plugins || {};
+ env.plugins.lineNumbers = true;
+ });
+
+ /**
+ * Global exports
+ */
+ Prism.plugins.lineNumbers = {
+ /**
+ * Get node for provided line number
+ * @param {Element} element pre element
+ * @param {Number} number line number
+ * @return {Element|undefined}
+ */
+ getLine: function (element, number) {
+ if (element.tagName !== 'PRE' ||
!element.classList.contains(PLUGIN_NAME)) {
+ return;
+ }
+
+ var lineNumberRows =
element.querySelector('.line-numbers-rows');
+ var lineNumberStart =
parseInt(element.getAttribute('data-start'), 10) || 1;
+ var lineNumberEnd = lineNumberStart +
(lineNumberRows.children.length - 1);
+
+ if (number < lineNumberStart) {
+ number = lineNumberStart;
+ }
+ if (number > lineNumberEnd) {
+ number = lineNumberEnd;
+ }
+
+ var lineIndex = number - lineNumberStart;
+
+ return lineNumberRows.children[lineIndex];
+ }
+ };
+
+}());
+(function() {
+
+var assign = Object.assign || function (obj1, obj2) {
+ for (var name in obj2) {
+ if (obj2.hasOwnProperty(name))
+ obj1[name] = obj2[name];
+ }
+ return obj1;
+}
+
+function NormalizeWhitespace(defaults) {
+ this.defaults = assign({}, defaults);
+}
+
+function toCamelCase(value) {
+ return value.replace(/-(\w)/g, function(match, firstChar) {
+ return firstChar.toUpperCase();
+ });
+}
+
+function tabLen(str) {
+ var res = 0;
+ for (var i = 0; i < str.length; ++i) {
+ if (str.charCodeAt(i) == '\t'.charCodeAt(0))
+ res += 3;
+ }
+ return str.length + res;
+}
+
+NormalizeWhitespace.prototype = {
+ setDefaults: function (defaults) {
+ this.defaults = assign(this.defaults, defaults);
+ },
+ normalize: function (input, settings) {
+ settings = assign(this.defaults, settings);
+
+ for (var name in settings) {
+ var methodName = toCamelCase(name);
+ if (name !== "normalize" && methodName !==
'setDefaults' &&
+ settings[name] && this[methodName]) {
+ input = this[methodName].call(this, input,
settings[name]);
+ }
+ }
+
+ return input;
+ },
+
+ /*
+ * Normalization methods
+ */
+ leftTrim: function (input) {
+ return input.replace(/^\s+/, '');
+ },
+ rightTrim: function (input) {
+ return input.replace(/\s+$/, '');
+ },
+ tabsToSpaces: function (input, spaces) {
+ spaces = spaces|0 || 4;
+ return input.replace(/\t/g, new Array(++spaces).join(' '));
+ },
+ spacesToTabs: function (input, spaces) {
+ spaces = spaces|0 || 4;
+ return input.replace(RegExp(' {' + spaces + '}', 'g'), '\t');
+ },
+ removeTrailing: function (input) {
+ return input.replace(/\s*?$/gm, '');
+ },
+ // Support for deprecated plugin remove-initial-line-feed
+ removeInitialLineFeed: function (input) {
+ return input.replace(/^(?:\r?\n|\r)/, '');
+ },
+ removeIndent: function (input) {
+ var indents = input.match(/^[^\S\n\r]*(?=\S)/gm);
+
+ if (!indents || !indents[0].length)
+ return input;
+
+ indents.sort(function(a, b){return a.length - b.length; });
+
+ if (!indents[0].length)
+ return input;
+
+ return input.replace(RegExp('^' + indents[0], 'gm'), '');
+ },
+ indent: function (input, tabs) {
+ return input.replace(/^[^\S\n\r]*(?=\S)/gm, new
Array(++tabs).join('\t') + '$&');
+ },
+ breakLines: function (input, characters) {
+ characters = (characters === true) ? 80 : characters|0 || 80;
+
+ var lines = input.split('\n');
+ for (var i = 0; i < lines.length; ++i) {
+ if (tabLen(lines[i]) <= characters)
+ continue;
+
+ var line = lines[i].split(/(\s+)/g),
+ len = 0;
+
+ for (var j = 0; j < line.length; ++j) {
+ var tl = tabLen(line[j]);
+ len += tl;
+ if (len > characters) {
+ line[j] = '\n' + line[j];
+ len = tl;
+ }
+ }
+ lines[i] = line.join('');
+ }
+ return lines.join('\n');
+ }
+};
+
+// Support node modules
+if (typeof module !== 'undefined' && module.exports) {
+ module.exports = NormalizeWhitespace;
+}
+
+// Exit if prism is not loaded
+if (typeof Prism === 'undefined') {
+ return;
+}
+
+Prism.plugins.NormalizeWhitespace = new NormalizeWhitespace({
+ 'remove-trailing': true,
+ 'remove-indent': true,
+ 'left-trim': true,
+ 'right-trim': true,
+ /*'break-lines': 80,
+ 'indent': 2,*/
+ 'remove-initial-line-feed': true,
+ /*'tabs-to-spaces': 4,
+ 'spaces-to-tabs': 4*/
+});
+
+Prism.hooks.add('before-sanity-check', function (env) {
+ var Normalizer = Prism.plugins.NormalizeWhitespace;
+
+ // Check settings
+ if (env.settings && env.settings['whitespace-normalization'] === false)
{
+ return;
+ }
+
+ // Simple mode if there is no env.element
+ if ((!env.element || !env.element.parentNode) && env.code) {
+ env.code = Normalizer.normalize(env.code, env.settings);
+ return;
+ }
+
+ // Normal mode
+ var pre = env.element.parentNode;
+ var clsReg = /\bno-whitespace-normalization\b/;
+ if (!env.code || !pre || pre.nodeName.toLowerCase() !== 'pre' ||
+ clsReg.test(pre.className) ||
clsReg.test(env.element.className))
+ return;
+
+ var children = pre.childNodes,
+ before = '',
+ after = '',
+ codeFound = false;
+
+ // Move surrounding whitespace from the <pre> tag into the <code> tag
+ for (var i = 0; i < children.length; ++i) {
+ var node = children[i];
+
+ if (node == env.element) {
+ codeFound = true;
+ } else if (node.nodeName === "#text") {
+ if (codeFound) {
+ after += node.nodeValue;
+ } else {
+ before += node.nodeValue;
+ }
+
+ pre.removeChild(node);
+ --i;
+ }
+ }
+
+ if (!env.element.children.length || !Prism.plugins.KeepMarkup) {
+ env.code = before + env.code + after;
+ env.code = Normalizer.normalize(env.code, env.settings);
+ } else {
+ // Preserve markup for keep-markup plugin
+ var html = before + env.element.innerHTML + after;
+ env.element.innerHTML = Normalizer.normalize(html,
env.settings);
+ env.code = env.element.textContent;
+ }
+});
+
+}());
+
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