fix: honor ordered list start number

.maestro/enrichedMarkdownText/flows/basic/block_elements/ordered_list_start_test.yaml

@@ -0,0 +1,23 @@
+appId: swmansion.enriched.markdown.example
+tags:
+  - block
+  - list
+  - text
+---
+- launchApp
+
+- runFlow:
+    file: '../../../../subflows/move_to_playground.yaml'
+
+- runFlow:
+    file: '../../../subflows/set_enriched_text_value.yaml'
+    env:
+      VALUE: |
+        3. Add eggs and vanilla extract
+        4. Pour into a greased tin
+        5. Bake for 30 minutes
+
+- runFlow:
+    file: '../../../subflows/capture_or_assert_screenshot.yaml'
+    env:
+      SCREENSHOT_NAME: 'ordered_list_start_display'

packages/core/cpp/parser/MD4CParser.cpp

@@ -19,6 +19,7 @@ class MD4CParser::Impl {
   static const std::string ATTR_LANGUAGE;
   static const std::string ATTR_IS_TASK;
   static const std::string ATTR_TASK_CHECKED;
+  static const std::string ATTR_START;
 
   void reset(size_t estimatedDepth) {
     root = std::make_shared<MarkdownASTNode>(NodeType::Document);
@@ -114,7 +115,14 @@ class MD4CParser::Impl {
       }
 
       case MD_BLOCK_OL: {
-        impl->pushNode(std::make_shared<MarkdownASTNode>(NodeType::OrderedList));
+        auto node = std::make_shared<MarkdownASTNode>(NodeType::OrderedList);
+        if (detail) {
+          auto *ol = static_cast<MD_BLOCK_OL_DETAIL *>(detail);
+          if (ol->start != 1) {
+            node->setAttribute(ATTR_START, std::to_string(ol->start));
+          }
+        }
+        impl->pushNode(node);
         break;
       }
 
@@ -621,5 +629,6 @@ const std::string MD4CParser::Impl::ATTR_FENCE_CHAR = "fenceChar";
 const std::string MD4CParser::Impl::ATTR_LANGUAGE = "language";
 const std::string MD4CParser::Impl::ATTR_IS_TASK = "isTask";
 const std::string MD4CParser::Impl::ATTR_TASK_CHECKED = "taskChecked";
+const std::string MD4CParser::Impl::ATTR_START = "start";
 
 } // namespace Markdown

packages/react-native-enriched-markdown/android/src/main/java/com/swmansion/enriched/markdown/renderer/BlockStyleContext.kt

@@ -107,8 +107,10 @@ class BlockStyleContext {
     listItemNumber++
   }
 
-  fun resetListItemNumber() {
-    listItemNumber = 0
+  fun resetListItemNumber(startNumber: Int = 1) {
+    // ListItemRenderer pre-increments, so the counter starts one below the
+    // first rendered number.
+    listItemNumber = startNumber - 1
   }
 
   fun pushOrderedListItemNumber() {

packages/react-native-enriched-markdown/android/src/main/java/com/swmansion/enriched/markdown/renderer/ListContextManager.kt

@@ -36,6 +36,7 @@ class ListContextManager(
   fun enterList(
     listType: BlockStyleContext.ListType,
     style: ListStyle,
+    startNumber: Int = 1,
   ): ListEntryState {
     val previousDepth = context.listDepth
     val isNested = previousDepth > 0
@@ -58,7 +59,7 @@ class ListContextManager(
         context.setUnorderedListStyle(style)
       }
     }
-    context.resetListItemNumber()
+    context.resetListItemNumber(startNumber)
 
     return ListEntryState(
       previousDepth = previousDepth,

packages/react-native-enriched-markdown/android/src/main/java/com/swmansion/enriched/markdown/renderer/ListRenderer.kt

@@ -22,8 +22,15 @@ class ListRenderer(
     val listStyle = config.style.listStyle
     val listType = if (isOrdered) BlockStyleContext.ListType.ORDERED else BlockStyleContext.ListType.UNORDERED
 
+    val startNumber =
+      if (isOrdered) {
+        node.getAttribute("start")?.toIntOrNull()?.coerceAtLeast(0) ?: 1
+      } else {
+        1
+      }
+
     val contextManager = ListContextManager(factory.blockStyleContext)
-    val entryState = contextManager.enterList(listType, listStyle)
+    val entryState = contextManager.enterList(listType, listStyle, startNumber)
 
     // For top-level lists, insert marginTop spacer before rendering content
     if (entryState.previousDepth == 0) {

packages/react-native-enriched-markdown/ios/renderer/ListRenderer.m

@@ -43,7 +43,14 @@ - (void)renderNodeContent:(MarkdownASTNode *)node
 
   context.listDepth = prevDepth + 1;
   context.listType = _isOrdered ? ListTypeOrdered : ListTypeUnordered;
-  context.listItemNumber = 0; // Reset counter for this specific list level
+  NSInteger startNumber = 1;
+  NSString *startAttr = node.attributes[@"start"];
+  if (_isOrdered && startAttr != nil) {
+    startNumber = MAX((NSInteger)0, (NSInteger)startAttr.integerValue);
+  }
+  // ListItemRenderer pre-increments, so the counter starts one below the
+  // first rendered number.
+  context.listItemNumber = startNumber - 1;
 
   [context setBlockStyle:_isOrdered ? BlockTypeOrderedList : BlockTypeUnorderedList
                     font:_config.listStyleFont