SL-19801 Log unicode characters for debug

2 files changed, 26 insertions, 0 deletions

diff --git a/indra/llcommon/llstring.cpp b/indra/llcommon/llstring.cpp
index d68cbaa22c..81b0207038 100644
--- a/indra/llcommon/llstring.cpp
+++ b/indra/llcommon/llstring.cpp
@@ -365,6 +365,30 @@ S32 wchar_utf8_length(const llwchar wc)
 	}
 }
 
+std::string wchar_utf8_preview(const llwchar wc)
+{
+    std::ostringstream oss;
+    oss << std::hex << std::uppercase << (U32)wc;
+
+    U8 out_bytes[8];
+    U32 size = (U32)wchar_to_utf8chars(wc, (char*)out_bytes);
+
+    if (size > 1)
+    {
+        oss << " [";
+        for (U32 i = 0; i < size; ++i)
+        {
+            if (i)
+            {
+                oss << ", ";
+            }
+            oss << (int)out_bytes[i];
+        }
+        oss << "]";
+    }
+
+    return oss.str();
+}
 
 S32 wstring_utf8_length(const LLWString& wstr)
 {
diff --git a/indra/llcommon/llstring.h b/indra/llcommon/llstring.h
index 62403969e4..8def59ed7f 100644
--- a/indra/llcommon/llstring.h
+++ b/indra/llcommon/llstring.h
@@ -682,6 +682,8 @@ LL_COMMON_API S32 wstring_utf8_length(const LLWString& wstr);
 // Length in bytes of this wide char in a UTF8 string
 LL_COMMON_API S32 wchar_utf8_length(const llwchar wc); 
 
+LL_COMMON_API std::string wchar_utf8_preview(const llwchar wc);
+
 LL_COMMON_API std::string utf8str_tolower(const std::string& utf8str);
 
 // Length in llwchar (UTF-32) of the first len units (16 bits) of the given UTF-16 string.