From 6b7551264a65f4e9d330a79a9a917a3febd2de44 Mon Sep 17 00:00:00 2001
From: Andrei Karas <akaras@inbox.ru>
Date: Thu, 7 Mar 2019 02:11:23 +0300
Subject: Add function for find first right separator

---
 src/unittests/utils/stringutils.cc | 21 +++++++++++++++++++++
 src/utils/stringutils.cpp          | 31 +++++++++++++++++++++++++++++++
 src/utils/stringutils.h            |  2 ++
 3 files changed, 54 insertions(+)

diff --git a/src/unittests/utils/stringutils.cc b/src/unittests/utils/stringutils.cc
index 0a865d633..cf0fb9764 100644
--- a/src/unittests/utils/stringutils.cc
+++ b/src/unittests/utils/stringutils.cc
@@ -1451,6 +1451,27 @@ TEST_CASE("stringuntils secureChatCommand", "")
     REQUIRE(str == "_#test");
 }
 
+TEST_CASE("stringuntils rfindSepatator", "")
+{
+    REQUIRE(rfindSepatator("test1") == std::string("test1").rfind('/'));
+    REQUIRE(rfindSepatator("test2/") == std::string("test2/").rfind('/'));
+    REQUIRE(rfindSepatator("test3\\") == std::string("test3\\").rfind('\\'));
+    REQUIRE(rfindSepatator("test4/qqq") ==
+        std::string("test4/qqq").rfind('/'));
+    REQUIRE(rfindSepatator("test5\\qqq") ==
+        std::string("test5\\qqq").rfind('\\'));
+    REQUIRE(rfindSepatator("test6/qqq/www") ==
+        std::string("test6/qqq/www").rfind('/'));
+    REQUIRE(rfindSepatator("test7\\qqq\\www") ==
+        std::string("test7\\qqq\\www").rfind('\\'));
+    REQUIRE(rfindSepatator("/test8") == std::string("/test8").rfind('/'));
+    REQUIRE(rfindSepatator("\\test9") == std::string("\\test9").rfind('\\'));
+    REQUIRE(rfindSepatator("test10/qqq\\www") ==
+        std::string("test10/qqq\\www").rfind('\\'));
+    REQUIRE(rfindSepatator("test11\\qqq/www") ==
+        std::string("test11\\qqq/www").rfind('/'));
+}
+
 #ifdef ENABLE_NLS
 TEST_CASE("stringuntils timeDiffToString", "")
 {
diff --git a/src/utils/stringutils.cpp b/src/utils/stringutils.cpp
index 45be9ef9c..3af63f96e 100644
--- a/src/utils/stringutils.cpp
+++ b/src/utils/stringutils.cpp
@@ -1157,6 +1157,37 @@ std::string urlJoin(std::string str1,
     }
 }
 
+size_t rfindSepatator(const std::string &str1)
+{
+    const size_t idx1 = str1.rfind('/');
+    const size_t idx2 = str1.rfind('\\');
+    if (idx1 != std::string::npos)
+    {   // idx1
+        if (idx2 != std::string::npos)
+        {   // idx1, idx2
+            if (idx1 >= idx2)
+                return idx1;
+            else
+                return idx2;
+        }
+        else
+        {   // idx1, not idx2
+            return idx1;
+        }
+    }
+    else
+    {   // not idx1
+        if (idx2 != std::string::npos)
+        {   // not idx1, idx2
+            return idx2;
+        }
+        else
+        {   // not idx1, not idx2
+            return std::string::npos;
+        }
+    }
+}
+
 #ifndef DYECMD
 void replaceItemLinks(std::string &msg)
 {
diff --git a/src/utils/stringutils.h b/src/utils/stringutils.h
index bb5b370a8..8cd714dd3 100644
--- a/src/utils/stringutils.h
+++ b/src/utils/stringutils.h
@@ -293,4 +293,6 @@ std::string pathJoin(std::string str1,
 std::string urlJoin(std::string str1,
                     const std::string &str2);
 
+size_t rfindSepatator(const std::string &str1);
+
 #endif  // UTILS_STRINGUTILS_H
-- 
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