feat: introduce new composable data providers and increment version

- Added `AnchorDataProvider`, `AnchorCollectionDataProvider`, `ContentsDataProvider`, `ContentsArrayDataProvider`, `DropDownDataProvider`, `ListContentDataProvider`, and `ParagraphedContentDataProvider` for enhanced data extraction flexibility. - Updated project version to 2.5.0.
2025-11-15 20:51:18 +11:00
parent b5faf58b1a
commit 647b2b0f37
11 changed files with 279 additions and 4 deletions
@@ -0,0 +1,46 @@
+using HtmlAgilityPack;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using Beam.Abstractions;
+
+namespace Beam.Dynamic {
+    public class AnchorCollectionDataProvider : IComposableDataProvider<string[]> {
+        public IBinding? Content { get; set; }
+        public Uri? RelativeTo { get; set; }
+
+        public string[] Get(HtmlDocument document) {
+            var node = Select(document);
+            return node is null ? [] : Get(node);      
+        }
+
+        public string[] Get(HtmlNode node) {
+            List<string> links = [];
+            foreach (var child in node.Descendants()) {
+                var href = child.GetAttributeValue("href", "");
+                if (Uri.TryCreate(RelativeTo, href, out var uri))
+                    links.Add(uri.AbsoluteUri);
+            }
+
+            return links.Where(x => !string.IsNullOrWhiteSpace(x)).ToArray();
+        }
+        
+        public HtmlNode? Select(HtmlDocument doc) {
+            return Content?.Select(doc);       
+        }
+
+        public HtmlNode? Select(HtmlNode node) {
+            return node;
+        }
+
+
+        public HtmlNode[]? SelectMany(HtmlDocument doc) {
+            throw new NotImplementedException();
+        }
+        public HtmlNode[]? SelectMany(HtmlNode[] node) {
+            throw new NotImplementedException();
+        }
+    }
+}