Small cleaning.

src/core/file_utilities/FileFormats.cpp

@@ -1,5 +1,7 @@
 #include "FileFormats.h"
 
+#include "StringUtils.h"
+
 FileFormat::ExtensionMap FileFormat::mExtensions = []
 {
     ExtensionMap ret;
@@ -8,3 +10,25 @@ FileFormat::ExtensionMap FileFormat::mExtensions = []
     ret[Format::Wav] = ".wav";
     return ret;
 }();
+
+bool FileFormat::isFormat(const std::string& extension, Format format)
+{
+    return StringUtils::ToLower(extension) == mExtensions[format];
+}
+
+FileFormat::Format FileFormat::inferFormat(const std::string& query)
+{
+    for(const auto& extension : mExtensions)
+    {
+        if(extension.second == query)
+        {
+            return extension.first;
+        }
+    }
+    return Format::Unknown;
+}
+
+std::string FileFormat::getExtension(Format format)
+{
+    return mExtensions[format];
+}