fix: update inline rules

example/pubspec.lock

@@ -66,25 +66,25 @@ packages:
     dependency: "direct dev"
     description:
       name: flutter_lints
-      sha256: "9e8c3858111da373efc5aa341de011d9bd23e2c5c5e0c62bccf32438e192d7b1"
+      sha256: "3f41d009ba7172d5ff9be5f6e6e6abb4300e263aab8866d2a0842ed2a70f8f0c"
       url: "https://pub.dev"
     source: hosted
-    version: "3.0.2"
+    version: "4.0.0"
   flutter_markdown:
     dependency: "direct main"
     description:
       name: flutter_markdown
-      sha256: "04c4722cc36ec5af38acc38ece70d22d3c2123c61305d555750a091517bbe504"
+      sha256: a23c41ee57573e62fc2190a1f36a0480c4d90bde3a8a8d7126e5d5992fb53fb7
       url: "https://pub.dev"
     source: hosted
-    version: "0.6.23"
+    version: "0.7.3+1"
   flutter_markdown_latex:
     dependency: "direct main"
     description:
       path: ".."
       relative: true
     source: path
-    version: "0.3.2"
+    version: "0.3.3"
   flutter_math_fork:
     dependency: "direct main"
     description:
@@ -110,10 +110,10 @@ packages:
     dependency: transitive
     description:
       name: http
-      sha256: "761a297c042deedc1ffbb156d6e2af13886bb305c2a343a4d972504cd67dd938"
+      sha256: b9c29a161230ee03d3ccf545097fccd9b87a5264228c5d348202e0f0c28f9010
       url: "https://pub.dev"
     source: hosted
-    version: "1.2.1"
+    version: "1.2.2"
   http_parser:
     dependency: transitive
     description:
@@ -126,34 +126,34 @@ packages:
     dependency: transitive
     description:
       name: leak_tracker
-      sha256: "78eb209deea09858f5269f5a5b02be4049535f568c07b275096836f01ea323fa"
+      sha256: "7f0df31977cb2c0b88585095d168e689669a2cc9b97c309665e3386f3e9d341a"
       url: "https://pub.dev"
     source: hosted
-    version: "10.0.0"
+    version: "10.0.4"
   leak_tracker_flutter_testing:
     dependency: transitive
     description:
       name: leak_tracker_flutter_testing
-      sha256: b46c5e37c19120a8a01918cfaf293547f47269f7cb4b0058f21531c2465d6ef0
+      sha256: "06e98f569d004c1315b991ded39924b21af84cf14cc94791b8aea337d25b57f8"
       url: "https://pub.dev"
     source: hosted
-    version: "2.0.1"
+    version: "3.0.3"
   leak_tracker_testing:
     dependency: transitive
     description:
       name: leak_tracker_testing
-      sha256: a597f72a664dbd293f3bfc51f9ba69816f84dcd403cdac7066cb3f6003f3ab47
+      sha256: "6ba465d5d76e67ddf503e1161d1f4a6bc42306f9d66ca1e8f079a47290fb06d3"
       url: "https://pub.dev"
     source: hosted
-    version: "2.0.1"
+    version: "3.0.1"
   lints:
     dependency: transitive
     description:
       name: lints
-      sha256: cbf8d4b858bb0134ef3ef87841abdf8d63bfc255c266b7bf6b39daa1085c4290
+      sha256: "976c774dd944a42e83e2467f4cc670daef7eed6295b10b36ae8c85bcbf828235"
       url: "https://pub.dev"
     source: hosted
-    version: "3.0.0"
+    version: "4.0.0"
   markdown:
     dependency: "direct main"
     description:
@@ -182,10 +182,10 @@ packages:
     dependency: transitive
     description:
       name: meta
-      sha256: d584fa6707a52763a52446f02cc621b077888fb63b93bbcb1143a7be5a0c0c04
+      sha256: "7687075e408b093f36e6bbf6c91878cc0d4cd10f409506f7bc996f68220b9136"
       url: "https://pub.dev"
     source: hosted
-    version: "1.11.0"
+    version: "1.12.0"
   nested:
     dependency: transitive
     description:
@@ -275,10 +275,10 @@ packages:
     dependency: transitive
     description:
       name: test_api
-      sha256: "5c2f730018264d276c20e4f1503fd1308dfbbae39ec8ee63c5236311ac06954b"
+      sha256: "9955ae474176f7ac8ee4e989dadfb411a58c30415bcfb648fa04b2b8a03afa7f"
       url: "https://pub.dev"
     source: hosted
-    version: "0.6.1"
+    version: "0.7.0"
   tuple:
     dependency: transitive
     description:
@@ -331,18 +331,18 @@ packages:
     dependency: transitive
     description:
       name: vm_service
-      sha256: b3d56ff4341b8f182b96aceb2fa20e3dcb336b9f867bc0eafc0de10f1048e957
+      sha256: "3923c89304b715fb1eb6423f017651664a03bf5f4b29983627c4da791f74a4ec"
       url: "https://pub.dev"
     source: hosted
-    version: "13.0.0"
+    version: "14.2.1"
   web:
     dependency: transitive
     description:
       name: web
-      sha256: "97da13628db363c635202ad97068d47c5b8aa555808e7a9411963c533b449b27"
+      sha256: d43c1d6b787bf0afad444700ae7f4db8827f701bc61c255ac8d328c6f4d52062
       url: "https://pub.dev"
     source: hosted
-    version: "0.5.1"
+    version: "1.0.0"
   xml:
     dependency: transitive
     description:
@@ -352,5 +352,5 @@ packages:
     source: hosted
     version: "6.5.0"
 sdks:
-  dart: ">=3.3.0 <4.0.0"
+  dart: ">=3.4.0 <4.0.0"
   flutter: ">=3.19.0"

example/pubspec.yaml

@@ -35,7 +35,7 @@ dependencies:
 
   # The following adds the Cupertino Icons font to your application.
   # Use with the CupertinoIcons class for iOS style icons.
-  flutter_markdown: ^0.6.18+3
+  flutter_markdown: ^0.7.3+1
   markdown: ^7.1.1
   flutter_math_fork: ^0.7.2
 
@@ -48,7 +48,7 @@ dev_dependencies:
   # activated in the `analysis_options.yaml` file located at the root of your
   # package. See that file for information about deactivating specific lint
   # rules and activating additional ones.
-  flutter_lints: ^3.0.1
+  flutter_lints: ^4.0.0
 
 # For information on the generic Dart part of this file, see the
 # following page: https://dart.dev/tools/pub/pubspec

lib/src/latex_block_syntax.dart

@@ -1,5 +1,3 @@
-import 'dart:developer';
-
 import 'package:markdown/markdown.dart';
 
 class LatexBlockSyntax extends BlockSyntax {
@@ -40,7 +38,6 @@ class LatexBlockSyntax extends BlockSyntax {
   Node parse(BlockParser parser) {
     final lines = parseChildLines(parser);
     final content = lines.map((e) => e.content).join('\n').trim();
-    log('content: $content');
     final textElement = Element.text('latex', content);
     textElement.attributes['MathStyle'] = 'display';
 

lib/src/latex_inline_syntax.dart

@@ -1,31 +1,67 @@
 import 'package:markdown/markdown.dart';
 
-const _latexPattern =
-    r'(?:(\${1,2})(?!\$)((?:\\.|[^\\\n])*?(?:\\.|[^\\\n\$]))\1(?=[\s?!\.,:？！。，：]|$))|(?:(\\\()(?!\\\))((?:\\.|[^\\\n])*?)\\\)(?=[\s?!\.,:？！。，：]|$))';
+final List<Map<String, dynamic>> delimiterList = [
+  {'left': r'$$', 'right': r'$$', 'display': true},
+  {'left': r'$', 'right': r'$', 'display': false},
+  {'left': r'\pu{', 'right': '}', 'display': false},
+  {'left': r'\ce{', 'right': '}', 'display': false},
+  {'left': r'\(', 'right': r'\)', 'display': false},
+  {'left': '( ', 'right': ' )', 'display': false},
+  {'left': r'\[', 'right': r'\]', 'display': true},
+  {'left': '[ ', 'right': ' ]', 'display': true},
+];
+
+List<String> inlinePatterns = [];
+List<String> blockPatterns = [];
+
+String escapeRegex(String string) {
+  return string.replaceAllMapped(RegExp(r'[-\/\\^$*+?.()|[\]{}]'), (match) {
+    return '\\${match.group(0)}';
+  });
+}
+
+String generateRegexRules(List<Map<String, dynamic>> delimiters) {
+  for (var delimiter in delimiters) {
+    String left = delimiter['left'];
+    String right = delimiter['right'];
+    // Ensure regex-safe delimiters
+    String escapedLeft = escapeRegex(left);
+    String escapedRight = escapeRegex(right);
+
+    // Inline pattern
+    inlinePatterns.add(
+        '$escapedLeft((?:\\\\.|[^\\\\\\n])*?(?:\\\\.|[^\\\\\\n]|(?!$escapedRight)))$escapedRight');
+    // Block pattern
+    blockPatterns.add('$escapedLeft\\n((?:\\\\[^]|[^\\\\])+?)\\n$escapedRight');
+  }
+
+  return '(${inlinePatterns.join("|")})(?=[\\s?!.,:？！。，：]|\$)';
+}
+
+final _latexPattern = generateRegexRules(delimiterList);
 
 class LatexInlineSyntax extends InlineSyntax {
   LatexInlineSyntax() : super(_latexPattern);
 
   @override
   bool onMatch(InlineParser parser, Match match) {
-    if (match.groupCount < 3) {
-      return false;
-    }
-
-    String equation = (match[2] ?? '').trim();
-    if (equation.isEmpty) {
-      equation = (match[4] ?? '').trim();
-    }
-
     String raw = match.group(0) ?? '';
 
-    String mathStyle;
-    if (raw.startsWith('\$\$') && raw.endsWith('\$\$')) {
-      mathStyle = 'display';
-    } else {
-      mathStyle = 'text';
+    int delimiterLength = 1;
+    String mathStyle = 'text';
+    // check delimiter
+    for (var delimiter in delimiterList) {
+      if (raw.startsWith(delimiter['left']) &&
+          raw.endsWith(delimiter['right'])) {
+        mathStyle = delimiter['display'] ? 'display' : 'text';
+        delimiterLength = delimiter['left'].length;
+        break;
+      }
     }
 
+    final equation =
+        raw.substring(delimiterLength, raw.length - delimiterLength);
+
     final element = Element.text('latex', equation);
     element.attributes['MathStyle'] = mathStyle;
     parser.addNode(element);