From 7b8b08229637171d79619e5d5caecf81dabe31c7 Mon Sep 17 00:00:00 2001
From: Geson-anko <59220704+Geson-anko@users.noreply.github.com>
Date: Sat, 7 May 2022 17:29:34 +0900
Subject: [PATCH 1/2] ADD join_relatively

---
 JarvisEngine/core/name.py | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/JarvisEngine/core/name.py b/JarvisEngine/core/name.py
index 161a2bf..7ebcfe3 100644
--- a/JarvisEngine/core/name.py
+++ b/JarvisEngine/core/name.py
@@ -33,6 +33,23 @@ def count_head_sep(name:str) -> int:
             num += 1
     return num
 
+def join_relatively(name:str, another:str) -> str:
+    """Join another to name.
+    Ex:
+        join_relatively("a.b.c","..d.e") -> "a.b.d.e"
+        join_relatively("a.", "...d.e.f") -> "d.e.f"
+    """
+    name = clean(name)
+    n_sep = count_head_sep(another) - 1
+    if n_sep > 0:
+        splited = name.split(SEP)[:-n_sep]
+        name = SEP.join(splited)
+    another = clean(another)
+    if name == "":
+        return another
+    else:
+        return f"{name}{SEP}{another}"
+
 def join(name:str, *others:str) -> str:
     """join names
     Ex: join("a.b.","c.d") -> "a.b.c.d"

From 5723efa82dac5f234780cd6063632311b01ae422 Mon Sep 17 00:00:00 2001
From: Geson-anko <59220704+Geson-anko@users.noreply.github.com>
Date: Sat, 7 May 2022 17:29:47 +0900
Subject: [PATCH 2/2] ADD test_join_relatively

---
 tests/core/test_name.py | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/tests/core/test_name.py b/tests/core/test_name.py
index 7424cae..1332239 100644
--- a/tests/core/test_name.py
+++ b/tests/core/test_name.py
@@ -26,4 +26,10 @@ def test_count_head_sep():
     assert name.count_head_sep(".....") == 5
     assert name.count_head_sep("asf....") == 0
     assert name.count_head_sep("..v..s..a.sd") == 2
-    
\ No newline at end of file
+
+
+def test_join_relatively():
+    assert name.join_relatively("a.b.c","..d.e") == "a.b.d.e"
+    assert name.join_relatively("a.", "...d.e.f") == "d.e.f"
+    assert name.join_relatively("a.b.c",".d.e") == "a.b.c.d.e"
+    assert name.join_relatively("a","b") == "a.b"
\ No newline at end of file