Move most platform-specific code into overlay directories

[libs/core.git] / source / io / windows / file.cpp

diff --git a/source/io/windows/file.cpp b/source/io/windows/file.cpp
new file mode 100644 (file)
index 0000000..b973375
--- /dev/null
+++ b/source/io/windows/file.cpp
@@ -0,0 +1,54 @@
+#include <msp/core/systemerror.h>
+#include <msp/strings/format.h>
+#include "file.h"
+#include "handle_private.h"
+
+using namespace std;
+
+namespace Msp {
+namespace IO {
+
+void File::platform_init(const string &fn, CreateMode cm)
+{
+       int flags = 0;
+       int share_flags = 0;
+       int create_flags = OPEN_EXISTING;
+
+       if(mode&M_READ)
+               flags |= GENERIC_READ;
+
+       if(mode&M_WRITE)
+       {
+               flags |= GENERIC_WRITE;
+
+               switch(static_cast<int>(cm))
+               {
+               case C_NONE:     create_flags = OPEN_EXISTING; break;
+               case C_CREATE:   create_flags = OPEN_ALWAYS; break;
+               case C_TRUNCATE: create_flags = TRUNCATE_EXISTING; break;
+               case C_OVERWRITE: create_flags = CREATE_ALWAYS; break;
+               case C_NEW:      create_flags = CREATE_NEW; break;
+               }
+       }
+       else
+               share_flags = FILE_SHARE_READ;
+
+       *handle = CreateFile(fn.c_str(), flags, share_flags, 0, create_flags, FILE_ATTRIBUTE_NORMAL, 0);
+       if(!handle)
+       {
+               int err = GetLastError();
+               if(err==ERROR_FILE_NOT_FOUND)
+                       throw file_not_found(fn);
+               else if(err==ERROR_FILE_EXISTS)
+                       throw file_already_exists(fn);
+               else
+                       throw system_error(format("CreateFile(%s)", fn), err);
+       }
+}
+
+void File::sync()
+{
+}
+
+} // namespace IO
+} // namespace Msp