From 39c94f7a715384869d59d8d03a30f8e4d33f5a7d Mon Sep 17 00:00:00 2001
From: John O'Keefe <jokeefe@fastmail.com>
Date: Thu, 28 Mar 2024 19:34:12 -0400
Subject: [PATCH] added split nodes delimiter

---
 src/inline_markdown.py      | 23 ++++++++++
 src/test.py                 |  7 ++++
 src/test_inline_markdown.py | 83 +++++++++++++++++++++++++++++++++++++
 src/test_textnode.py        | 21 ++++++++--
 4 files changed, 131 insertions(+), 3 deletions(-)
 create mode 100644 src/inline_markdown.py
 create mode 100644 src/test.py
 create mode 100644 src/test_inline_markdown.py

diff --git a/src/inline_markdown.py b/src/inline_markdown.py
new file mode 100644
index 0000000..afe208d
--- /dev/null
+++ b/src/inline_markdown.py
@@ -0,0 +1,23 @@
+from textnode import TextNode
+
+
+def split_nodes_delimiter(old_nodes, delimiter, text_type):
+    final_node_list = []
+    for old_node in old_nodes:
+        node_list = []
+        if not isinstance(old_node, TextNode):
+            node_list.append(old_node)
+            return node_list
+        split_list = old_node.text.split(delimiter)
+        if old_node.text.count(delimiter) % 2 != 0:
+            raise ValueError("No closing delimiter found")
+        for i in range(len(split_list)):
+            if i % 2 != 0 and len(split_list[i]) > 0:
+                part = TextNode(split_list[i], text_type)
+                node_list.append(part)
+            elif len(split_list[i]) > 0:
+                part = TextNode(split_list[i], "text")
+                node_list.append(part)
+        final_node_list.extend(node_list)
+
+    return final_node_list
diff --git a/src/test.py b/src/test.py
new file mode 100644
index 0000000..f046cf5
--- /dev/null
+++ b/src/test.py
@@ -0,0 +1,7 @@
+from inline_markdown import split_nodes_delimiter
+from textnode import (TextNode, text_type_bold, text_type_code,
+                      text_type_italic, text_type_text)
+
+node = TextNode("This is text with a `code block` word", text_type_text)
+new_nodes = split_nodes_delimiter([node], "`", text_type_code)
+print(new_nodes)
diff --git a/src/test_inline_markdown.py b/src/test_inline_markdown.py
new file mode 100644
index 0000000..55f48d5
--- /dev/null
+++ b/src/test_inline_markdown.py
@@ -0,0 +1,83 @@
+import unittest
+
+from inline_markdown import split_nodes_delimiter
+
+from textnode import (
+    TextNode,
+    text_type_bold,
+    text_type_code,
+    text_type_italic,
+    text_type_text,
+)
+
+
+class TestInlineMarkdown(unittest.TestCase):
+    def test_delim_bold(self):
+        node = TextNode("This is text with a **bolded** word", text_type_text)
+        new_nodes = split_nodes_delimiter([node], "**", text_type_bold)
+        self.assertListEqual(
+            [
+                TextNode("This is text with a ", text_type_text),
+                TextNode("bolded", text_type_bold),
+                TextNode(" word", text_type_text),
+            ],
+            new_nodes,
+        )
+
+    def test_delim_bold_double(self):
+        node = TextNode(
+            "This is text with a **bolded** word and **another**", text_type_text
+        )
+        new_nodes = split_nodes_delimiter([node], "**", text_type_bold)
+        self.assertListEqual(
+            [
+                TextNode("This is text with a ", text_type_text),
+                TextNode("bolded", text_type_bold),
+                TextNode(" word and ", text_type_text),
+                TextNode("another", text_type_bold),
+            ],
+            new_nodes,
+        )
+
+    def test_delim_bold_multiword(self):
+        node = TextNode(
+            "This is text with a **bolded word** and **another**", text_type_text
+        )
+        new_nodes = split_nodes_delimiter([node], "**", text_type_bold)
+        self.assertListEqual(
+            [
+                TextNode("This is text with a ", text_type_text),
+                TextNode("bolded word", text_type_bold),
+                TextNode(" and ", text_type_text),
+                TextNode("another", text_type_bold),
+            ],
+            new_nodes,
+        )
+
+    def test_delim_italic(self):
+        node = TextNode("This is text with an *italic* word", text_type_text)
+        new_nodes = split_nodes_delimiter([node], "*", text_type_italic)
+        self.assertListEqual(
+            [
+                TextNode("This is text with an ", text_type_text),
+                TextNode("italic", text_type_italic),
+                TextNode(" word", text_type_text),
+            ],
+            new_nodes,
+        )
+
+    def test_delim_code(self):
+        node = TextNode("This is text with a `code block` word", text_type_text)
+        new_nodes = split_nodes_delimiter([node], "`", text_type_code)
+        self.assertListEqual(
+            [
+                TextNode("This is text with a ", text_type_text),
+                TextNode("code block", text_type_code),
+                TextNode(" word", text_type_text),
+            ],
+            new_nodes,
+        )
+
+
+if __name__ == "__main__":
+    unittest.main()
diff --git a/src/test_textnode.py b/src/test_textnode.py
index b23235b..ebd5106 100644
--- a/src/test_textnode.py
+++ b/src/test_textnode.py
@@ -1,15 +1,17 @@
 import unittest
 
+from inline_markdown import split_nodes_delimiter
 from textnode import (
     TextNode,
-    text_type_text,
     text_type_bold,
-    text_type_italic,
     text_type_code,
     text_type_image,
+    text_type_italic,
     text_type_link,
+    text_type_text,
 )
 
+
 class TestTextNode(unittest.TestCase):
     def test_eq(self):
         node = TextNode("This is a text node", "bold")
@@ -39,5 +41,18 @@ class TestTextNode(unittest.TestCase):
             "TextNode(This is a text node, text, https://www.boot.dev)", repr(node)
         )
 
+    def test_split_nodes_delimiter(self):
+        node = TextNode("This is text with a `code block` word", text_type_text)
+        new_nodes = split_nodes_delimiter([node], "`", text_type_code)
+        self.assertEqual(
+            [
+                TextNode("This is text with a ", text_type_text),
+                TextNode("code block", text_type_code),
+                TextNode(" word", text_type_text),
+            ],
+            new_nodes,
+        )
+
+
 if __name__ == "__main__":
-    unittest.main()
\ No newline at end of file
+    unittest.main()