From a98b5ea6fe8e8cc98a55e0fd793e6e8660ea31c1 Mon Sep 17 00:00:00 2001
From: Armand Philippot <git@armandphilippot.com>
Date: Thu, 30 Dec 2021 19:47:21 +0100
Subject: chore: add prismjs for syntax highlighting

---
 public/prism/prism-java.js | 103 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 103 insertions(+)
 create mode 100644 public/prism/prism-java.js

(limited to 'public/prism/prism-java.js')

diff --git a/public/prism/prism-java.js b/public/prism/prism-java.js
new file mode 100644
index 0000000..083f63a
--- /dev/null
+++ b/public/prism/prism-java.js
@@ -0,0 +1,103 @@
+(function (Prism) {
+  var keywords =
+    /\b(?:abstract|assert|boolean|break|byte|case|catch|char|class|const|continue|default|do|double|else|enum|exports|extends|final|finally|float|for|goto|if|implements|import|instanceof|int|interface|long|module|native|new|non-sealed|null|open|opens|package|permits|private|protected|provides|public|record|requires|return|sealed|short|static|strictfp|super|switch|synchronized|this|throw|throws|to|transient|transitive|try|uses|var|void|volatile|while|with|yield)\b/;
+
+  // full package (optional) + parent classes (optional)
+  var classNamePrefix = /(^|[^\w.])(?:[a-z]\w*\s*\.\s*)*(?:[A-Z]\w*\s*\.\s*)*/
+    .source;
+
+  // based on the java naming conventions
+  var className = {
+    pattern: RegExp(classNamePrefix + /[A-Z](?:[\d_A-Z]*[a-z]\w*)?\b/.source),
+    lookbehind: true,
+    inside: {
+      namespace: {
+        pattern: /^[a-z]\w*(?:\s*\.\s*[a-z]\w*)*(?:\s*\.)?/,
+        inside: {
+          punctuation: /\./,
+        },
+      },
+      punctuation: /\./,
+    },
+  };
+
+  Prism.languages.java = Prism.languages.extend('clike', {
+    string: {
+      pattern: /(^|[^\\])"(?:\\.|[^"\\\r\n])*"/,
+      lookbehind: true,
+      greedy: true,
+    },
+    'class-name': [
+      className,
+      {
+        // variables and parameters
+        // this to support class names (or generic parameters) which do not contain a lower case letter (also works for methods)
+        pattern: RegExp(
+          classNamePrefix + /[A-Z]\w*(?=\s+\w+\s*[;,=()])/.source
+        ),
+        lookbehind: true,
+        inside: className.inside,
+      },
+    ],
+    keyword: keywords,
+    function: [
+      Prism.languages.clike.function,
+      {
+        pattern: /(::\s*)[a-z_]\w*/,
+        lookbehind: true,
+      },
+    ],
+    number:
+      /\b0b[01][01_]*L?\b|\b0x(?:\.[\da-f_p+-]+|[\da-f_]+(?:\.[\da-f_p+-]+)?)\b|(?:\b\d[\d_]*(?:\.[\d_]*)?|\B\.\d[\d_]*)(?:e[+-]?\d[\d_]*)?[dfl]?/i,
+    operator: {
+      pattern:
+        /(^|[^.])(?:<<=?|>>>?=?|->|--|\+\+|&&|\|\||::|[?:~]|[-+*/%&|^!=<>]=?)/m,
+      lookbehind: true,
+    },
+  });
+
+  Prism.languages.insertBefore('java', 'string', {
+    'triple-quoted-string': {
+      // http://openjdk.java.net/jeps/355#Description
+      pattern: /"""[ \t]*[\r\n](?:(?:"|"")?(?:\\.|[^"\\]))*"""/,
+      greedy: true,
+      alias: 'string',
+    },
+    char: {
+      pattern: /'(?:\\.|[^'\\\r\n]){1,6}'/,
+      greedy: true,
+    },
+  });
+
+  Prism.languages.insertBefore('java', 'class-name', {
+    annotation: {
+      pattern: /(^|[^.])@\w+(?:\s*\.\s*\w+)*/,
+      lookbehind: true,
+      alias: 'punctuation',
+    },
+    generics: {
+      pattern:
+        /<(?:[\w\s,.?]|&(?!&)|<(?:[\w\s,.?]|&(?!&)|<(?:[\w\s,.?]|&(?!&)|<(?:[\w\s,.?]|&(?!&))*>)*>)*>)*>/,
+      inside: {
+        'class-name': className,
+        keyword: keywords,
+        punctuation: /[<>(),.:]/,
+        operator: /[?&|]/,
+      },
+    },
+    namespace: {
+      pattern: RegExp(
+        /(\b(?:exports|import(?:\s+static)?|module|open|opens|package|provides|requires|to|transitive|uses|with)\s+)(?!<keyword>)[a-z]\w*(?:\.[a-z]\w*)*\.?/.source.replace(
+          /<keyword>/g,
+          function () {
+            return keywords.source;
+          }
+        )
+      ),
+      lookbehind: true,
+      inside: {
+        punctuation: /\./,
+      },
+    },
+  });
+})(Prism);
-- 
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