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Added support for YANG (#2467)
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‎components.js

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‎components.json

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"alias": "yml",
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"owner": "hason"
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},
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"yang": {
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"title": "YANG",
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"owner": "RunDevelopment"
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},
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"zig": {
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"title": "Zig",
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"owner": "RunDevelopment"

‎components/prism-yang.js

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Prism.languages.yang = {
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// https://tools.ietf.org/html/rfc6020#page-34
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// http://www.yang-central.org/twiki/bin/view/Main/YangExamples
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'comment': /\/\*[\s\S]*?\*\/|\/\/.*/,
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'string': {
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pattern: /"(?:[^\\"]|\\.)*"|'[^']*'/,
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greedy: true
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},
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'keyword': {
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pattern: /(^|[{};\r\n][ \t]*)[a-z_][\w.-]*/i,
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lookbehind: true
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},
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'namespace': {
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pattern: /(\s)[a-z_][\w.-]*(?=:)/i,
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lookbehind: true
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},
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'boolean': /\b(?:false|true)\b/,
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'operator': /\+/,
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'punctuation': /[{};:]/
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};

‎components/prism-yang.min.js

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‎examples/prism-yang.html

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<h2>Full example</h2>
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<p><a href="http://www.yang-central.org/twiki/bin/view/Main/YangExamplesExecdDns">Source</a></p>
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<pre><code>submodule execd-dns {
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belongs-to execd { prefix execd; }
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import inet-types { prefix inet; }
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include execd-types;
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description
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"The 'dns' component provides support for configuring the DNS resolver.
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The 'domain' keyword of /etc/resolv.conf is not supported, since
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it is equivalent to 'search' with a single domain. I.e. in terms
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of the data model, the domains are always configured as 'search'
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elements, even if there is only one. The set of available options
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has been limited to those that are generally available across
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different resolver implementations, and generally useful.";
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revision "2008-11-04" {
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description "draft-ietf-netmod-yang-02 compatible.";
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}
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revision "2007-08-29" {
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description "Syntax fixes after pyang validation.";
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}
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revision "2007-06-08" {
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description "Initial revision.";
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}
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grouping dns {
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list search {
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key name;
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max-elements 3;
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leaf name { type int32; }
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leaf domain { type inet:host; }
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}
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list server {
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key address;
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max-elements 3;
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ordered-by user;
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leaf address { type inet:ip-address; }
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}
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container options {
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leaf ndots { type uint8; }
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leaf timeout { type uint8; }
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leaf attempts { type uint8; }
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}
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}
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}</code></pre>

‎plugins/show-language/prism-show-language.js

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"xojo": "Xojo (REALbasic)",
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"xquery": "XQuery",
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"yaml": "YAML",
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"yml": "YAML"
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"yml": "YAML",
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"yang": "YANG"
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}/*]*/;
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Prism.plugins.toolbar.registerButton('show-language', function (env) {

‎plugins/show-language/prism-show-language.min.js

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‎tests/languages/yang/boolean_feature.test

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true
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false
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----------------------------------------------------
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[
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["keyword", "true"],
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["keyword", "false"]
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]
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----------------------------------------------------
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Checks for booleans.

‎tests/languages/yang/comment_feature.test

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// comment
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/*
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comment
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*/
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----------------------------------------------------
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[
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["comment", "// comment"],
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["comment", "/*\n comment\n*/"]
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]
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----------------------------------------------------
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Checks for comments.

‎tests/languages/yang/keyword_feature.test

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submodule execd-ntp {
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key name;
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leaf stratum { type ntpStratum; default 10; }
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leaf version { type int8 { range "1..4"; } default 4; }
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}
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----------------------------------------------------
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[
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["keyword", "submodule"],
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" execd-ntp ",
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["punctuation", "{"],
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["keyword", "key"],
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" name",
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["punctuation", ";"],
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["keyword", "leaf"],
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" stratum ",
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["punctuation", "{"],
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["keyword", "type"],
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" ntpStratum",
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["punctuation", ";"],
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["keyword", "default"],
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" 10",
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["punctuation", ";"],
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["punctuation", "}"],
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["keyword", "leaf"],
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" version ",
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["punctuation", "{"],
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["keyword", "type"],
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" int8 ",
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["punctuation", "{"],
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["keyword", "range"],
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["string", "\"1..4\""],
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["punctuation", ";"],
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["punctuation", "}"],
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["keyword", "default"],
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" 4",
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["punctuation", ";"],
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["punctuation", "}"],
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["punctuation", "}"]
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]
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----------------------------------------------------
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Checks for keywords.

‎tests/languages/yang/namespace_feature.test

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type foo:type
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type _foo.-bar:type
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----------------------------------------------------
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[
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["keyword", "type"],
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["namespace", "foo"],
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["punctuation", ":"],
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"type\n",
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["keyword", "type"],
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["namespace", "_foo.-bar"],
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["punctuation", ":"],
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"type"
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]
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----------------------------------------------------
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Checks for namespace prefixes.

‎tests/languages/yang/string_feature.test

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"
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\"'foo'\"
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"
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'fo
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""
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o'
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----------------------------------------------------
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[
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["string", "\"\n\n\\\"'foo'\\\"\n\n\""],
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["string", "'fo\n\"\"\no'"]
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]
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----------------------------------------------------
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Checks for string.

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