FileSystem: Add ReplaceExtension() helper

src/common/cd_image_cue.cpp

@@ -3,8 +3,8 @@
 #include "cd_subchannel_replacement.h"
 #include "file_system.h"
 #include "log.h"
-#include <libcue/libcue.h>
 #include <algorithm>
+#include <libcue/libcue.h>
 #include <map>
 Log_SetChannel(CDImageCueSheet);
 
@@ -32,17 +32,6 @@ CDImageCueSheet::~CDImageCueSheet()
   cd_delete(m_cd);
 }
 
-static std::string ReplaceExtension(std::string_view path, std::string_view new_extension)
-{
-  std::string_view::size_type pos = path.rfind('.');
-  if (pos == std::string::npos)
-    return std::string(path);
-
-  std::string ret(path, 0, pos + 1);
-  ret.append(new_extension);
-  return ret;
-}
-
 bool CDImageCueSheet::OpenAndParse(const char* filename)
 {
   std::FILE* cue_fp = FileSystem::OpenCFile(filename, "rb");
@@ -202,7 +191,7 @@ bool CDImageCueSheet::OpenAndParse(const char* filename)
 
   m_lba_count = disc_lba;
 
-  m_sbi.LoadSBI(ReplaceExtension(filename, "sbi").c_str());
+  m_sbi.LoadSBI(FileSystem::ReplaceExtension(filename, "sbi").c_str());
 
   return Seek(1, Position{0, 0, 0});
 }

src/common/file_system.cpp

@@ -222,6 +222,17 @@ void SanitizeFileName(String& Destination, bool StripSlashes /* = true */)
   return SanitizeFileName(Destination, Destination, StripSlashes);
 }
 
+std::string ReplaceExtension(std::string_view path, std::string_view new_extension)
+{
+  std::string_view::size_type pos = path.rfind('.');
+  if (pos == std::string::npos)
+    return std::string(path);
+
+  std::string ret(path, 0, pos + 1);
+  ret.append(new_extension);
+  return ret;
+}
+
 std::string GetPathDirectory(const char* path)
 {
 #ifdef WIN32

src/common/file_system.h

@@ -134,6 +134,9 @@ void SanitizeFileName(char* Destination, u32 cbDestination, const char* FileName
 void SanitizeFileName(String& Destination, const char* FileName, bool StripSlashes = true);
 void SanitizeFileName(String& Destination, bool StripSlashes = true);
 
+/// Replaces the extension of a filename with another.
+std::string ReplaceExtension(std::string_view path, std::string_view new_extension);
+
 /// Returns the directory component of a filename.
 std::string GetPathDirectory(const char* path);