chore: add prismjs for syntax highlighting

1 files changed, 44 insertions, 0 deletions

diff --git a/public/prism/prism-protobuf.js b/public/prism/prism-protobuf.js
new file mode 100644
index 0000000..949ef3a
--- /dev/null
+++ b/public/prism/prism-protobuf.js
@@ -0,0 +1,44 @@
+(function (Prism) {
+  var builtinTypes =
+    /\b(?:bool|bytes|double|s?fixed(?:32|64)|float|[su]?int(?:32|64)|string)\b/;
+
+  Prism.languages.protobuf = Prism.languages.extend('clike', {
+    'class-name': [
+      {
+        pattern: /(\b(?:enum|extend|message|service)\s+)[A-Za-z_]\w*(?=\s*\{)/,
+        lookbehind: true,
+      },
+      {
+        pattern:
+          /(\b(?:rpc\s+\w+|returns)\s*\(\s*(?:stream\s+)?)\.?[A-Za-z_]\w*(?:\.[A-Za-z_]\w*)*(?=\s*\))/,
+        lookbehind: true,
+      },
+    ],
+    keyword:
+      /\b(?:enum|extend|extensions|import|message|oneof|option|optional|package|public|repeated|required|reserved|returns|rpc(?=\s+\w)|service|stream|syntax|to)\b(?!\s*=\s*\d)/,
+    function: /\b[a-z_]\w*(?=\s*\()/i,
+  });
+
+  Prism.languages.insertBefore('protobuf', 'operator', {
+    map: {
+      pattern: /\bmap<\s*[\w.]+\s*,\s*[\w.]+\s*>(?=\s+[a-z_]\w*\s*[=;])/i,
+      alias: 'class-name',
+      inside: {
+        punctuation: /[<>.,]/,
+        builtin: builtinTypes,
+      },
+    },
+    builtin: builtinTypes,
+    'positional-class-name': {
+      pattern: /(?:\b|\B\.)[a-z_]\w*(?:\.[a-z_]\w*)*(?=\s+[a-z_]\w*\s*[=;])/i,
+      alias: 'class-name',
+      inside: {
+        punctuation: /\./,
+      },
+    },
+    annotation: {
+      pattern: /(\[\s*)[a-z_]\w*(?=\s*=)/i,
+      lookbehind: true,
+    },
+  });
+})(Prism);