From 7e3c53b9d39bbbd9b7d3f8cfcfe1d6c72fcd4992 Mon Sep 17 00:00:00 2001
From: Alexander Alekhin <alexander.a.alekhin@gmail.com>
Date: Tue, 6 Dec 2022 23:32:10 +0000
Subject: [PATCH] core(logger): strip path prefix

---
 modules/core/src/logger.cpp | 32 +++++++++++++++++++++++++-------
 1 file changed, 25 insertions(+), 7 deletions(-)

diff --git a/modules/core/src/logger.cpp b/modules/core/src/logger.cpp
index f395571e80..7e3f8aa29d 100644
--- a/modules/core/src/logger.cpp
+++ b/modules/core/src/logger.cpp
@@ -233,24 +233,42 @@ void writeLogMessage(LogLevel logLevel, const char* message)
         (*out) << std::flush;
 }
 
+static const char* stripSourceFilePathPrefix(const char* file)
+{
+    CV_Assert(file);
+    const char* pos = file;
+    const char* strip_pos = NULL;
+    char ch = 0;
+    while ((ch = pos[0]) != 0)
+    {
+        ++pos;
+        if (ch == '/' || ch == '\\')
+            strip_pos = pos;
+    }
+    if (strip_pos == NULL || strip_pos == pos/*eos*/)
+        return file;
+    return strip_pos;
+}
+
 void writeLogMessageEx(LogLevel logLevel, const char* tag, const char* file, int line, const char* func, const char* message)
 {
     std::ostringstream strm;
     if (tag)
     {
-        strm << tag << " ";
+        strm << tag << ' ';
     }
     if (file)
     {
-        strm << file << " ";
-    }
-    if (line > 0)
-    {
-        strm << "(" << line << ") ";
+        strm << stripSourceFilePathPrefix(file);
+        if (line > 0)
+        {
+            strm << ':' << line;
+        }
+        strm << ' ';
     }
     if (func)
     {
-        strm << func << " ";
+        strm << func << ' ';
     }
     strm << message;
     writeLogMessage(logLevel, strm.str().c_str());
-- 
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