strings: Helper to remove pattern from the end

renderdoc/serialise/string_utils.cpp

@@ -107,3 +107,16 @@ bool endswith(const std::string &value, const std::string &ending)
 
   return (0 == value.compare(value.length() - ending.length(), ending.length(), ending));
 }
+
+std::string removeFromEnd(const std::string &value, const std::string &ending)
+{
+  string::size_type pos;
+  pos = value.rfind(ending);
+
+  // Create new string from beginning to pattern
+  if(string::npos != pos)
+    return value.substr(0, pos);
+
+  // If pattern not found, just return original string
+  return value;
+}

renderdoc/serialise/string_utils.h

@@ -38,6 +38,7 @@ std::string strupper(const std::string &str);
 std::wstring strupper(const std::wstring &str);
 
 std::string trim(const std::string &str);
+std::string removeFromEnd(const std::string &value, const std::string &ending);
 
 uint32_t strhash(const char *str, uint32_t existingHash = 5381);