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-shell-session.js | 73 +++++++++++++++++++++++++++++++++++++
 1 file changed, 73 insertions(+)
 create mode 100644 public/prism/prism-shell-session.js

(limited to 'public/prism/prism-shell-session.js')

diff --git a/public/prism/prism-shell-session.js b/public/prism/prism-shell-session.js
new file mode 100644
index 0000000..5674752
--- /dev/null
+++ b/public/prism/prism-shell-session.js
@@ -0,0 +1,73 @@
+(function (Prism) {
+  // CAREFUL!
+  // The following patterns are concatenated, so the group referenced by a back reference is non-obvious!
+
+  var strings = [
+    // normal string
+    /"(?:\\[\s\S]|\$\([^)]+\)|\$(?!\()|`[^`]+`|[^"\\`$])*"/.source,
+    /'[^']*'/.source,
+    /\$'(?:[^'\\]|\\[\s\S])*'/.source,
+
+    // here doc
+    // 2 capturing groups
+    /<<-?\s*(["']?)(\w+)\1\s[\s\S]*?[\r\n]\2/.source,
+  ].join('|');
+
+  Prism.languages['shell-session'] = {
+    command: {
+      pattern: RegExp(
+        // user info
+        /^/.source +
+          '(?:' +
+          // <user> ":" ( <path> )?
+          (/[^\s@:$#%*!/\\]+@[^\r\n@:$#%*!/\\]+(?::[^\0-\x1F$#%*?"<>:;|]+)?/
+            .source +
+            '|' +
+            // <path>
+            // Since the path pattern is quite general, we will require it to start with a special character to
+            // prevent false positives.
+            /[/~.][^\0-\x1F$#%*?"<>@:;|]*/.source) +
+          ')?' +
+          // shell symbol
+          /[$#%](?=\s)/.source +
+          // bash command
+          /(?:[^\\\r\n \t'"<$]|[ \t](?:(?!#)|#.*$)|\\(?:[^\r]|\r\n?)|\$(?!')|<(?!<)|<<str>>)+/.source.replace(
+            /<<str>>/g,
+            function () {
+              return strings;
+            }
+          ),
+        'm'
+      ),
+      greedy: true,
+      inside: {
+        info: {
+          // foo@bar:~/files$ exit
+          // foo@bar$ exit
+          // ~/files$ exit
+          pattern: /^[^#$%]+/,
+          alias: 'punctuation',
+          inside: {
+            user: /^[^\s@:$#%*!/\\]+@[^\r\n@:$#%*!/\\]+/,
+            punctuation: /:/,
+            path: /[\s\S]+/,
+          },
+        },
+        bash: {
+          pattern: /(^[$#%]\s*)\S[\s\S]*/,
+          lookbehind: true,
+          alias: 'language-bash',
+          inside: Prism.languages.bash,
+        },
+        'shell-symbol': {
+          pattern: /^[$#%]/,
+          alias: 'important',
+        },
+      },
+    },
+    output: /.(?:.*(?:[\r\n]|.$))*/,
+  };
+
+  Prism.languages['sh-session'] = Prism.languages['shellsession'] =
+    Prism.languages['shell-session'];
+})(Prism);
-- 
cgit v1.2.3