custom theme, fontsize

lib/themes/markdown.dart

@@ -0,0 +1,67 @@
+import 'package:highlight/src/mode.dart';
+import 'package:highlight/src/common_modes.dart';
+
+final markdown = Mode(refs: {}, aliases: [
+  "md",
+  "mkdown",
+  "mkd"
+], contains: [
+  Mode(className: "section", variants: [
+    Mode(begin: "^#\\s{1,6}", end: "\$"),
+    Mode(begin: "^.+?\\n[=-]{2,}\$")
+  ]),
+  Mode(begin: "<", end: ">", subLanguage: ["xml"], relevance: 0),
+  Mode(className: "bullet", begin: "^\\s*([*+-]|(\\d+\\.))\\s+"),
+  Mode(className: "strong", begin: "[*_]{2}.+?[*_]{2}"),
+  Mode(
+      className: "emphasis",
+      variants: [Mode(begin: "\\*.+?\\*"), Mode(begin: "_.+?_", relevance: 0)]),
+  Mode(className: "quote", begin: "^>\\s+", end: "\$"),
+  Mode(className: "code", variants: [
+    Mode(begin: "^```\\w*\\s*\$", end: "^```[ ]*\$"),
+    Mode(begin: "`.+?`"),
+    Mode(begin: "^( {4}|\\t)", end: "\$", relevance: 0)
+  ]),
+  Mode(begin: "^[-\\*]{3,}", end: "\$"),
+  Mode(
+      begin: "\\[.+?\\][\\(\\[].*?[\\)\\]]",
+      returnBegin: true,
+      contains: [
+        Mode(
+            className: "string",
+            begin: "\\[",
+            end: "\\]",
+            excludeBegin: true,
+            returnEnd: true,
+            relevance: 0),
+        Mode(
+            className: "link",
+            begin: "\\]\\(",
+            end: "\\)",
+            excludeBegin: true,
+            excludeEnd: true),
+        Mode(
+            className: "symbol",
+            begin: "\\]\\[",
+            end: "\\]",
+            excludeBegin: true,
+            excludeEnd: true)
+      ],
+      relevance: 10),
+  Mode(begin: "^\\[[^\\n]+\\]:", returnBegin: true, contains: [
+    Mode(
+        className: "symbol",
+        begin: "\\[",
+        end: "\\]",
+        excludeBegin: true,
+        excludeEnd: true),
+    Mode(className: "link", begin: ":\\s*", end: "\$", excludeBegin: true)
+  ]),
+
+  // Custom Tag Highlighting
+  Mode(className: "tag-hash", begin: "(?<=\\s|^)#[a-zA-Z0-9_]+", relevance: 10), // Magenta
+  Mode(className: "tag-plus", begin: "(?<=\\s|^)\\+[a-zA-Z0-9_]+", relevance: 10), // Cyan
+  Mode(className: "tag-at", begin: "(?<=\\s|^)@[a-zA-Z0-9_]+", relevance: 10), // Yellow
+
+
+]);