chore: add prismjs for syntax highlighting

1 files changed, 22 insertions, 0 deletions

diff --git a/public/prism/prism-ebnf.js b/public/prism/prism-ebnf.js
new file mode 100644
index 0000000..136b3df
--- /dev/null
+++ b/public/prism/prism-ebnf.js
@@ -0,0 +1,22 @@
+Prism.languages.ebnf = {
+  comment: /\(\*[\s\S]*?\*\)/,
+  string: {
+    pattern: /"[^"\r\n]*"|'[^'\r\n]*'/,
+    greedy: true,
+  },
+  special: {
+    pattern: /\?[^?\r\n]*\?/,
+    greedy: true,
+    alias: 'class-name',
+  },
+
+  definition: {
+    pattern: /^([\t ]*)[a-z]\w*(?:[ \t]+[a-z]\w*)*(?=\s*=)/im,
+    lookbehind: true,
+    alias: ['rule', 'keyword'],
+  },
+  rule: /\b[a-z]\w*(?:[ \t]+[a-z]\w*)*\b/i,
+
+  punctuation: /\([:/]|[:/]\)|[.,;()[\]{}]/,
+  operator: /[-=|*/!]/,
+};