Added missing _win32

Author: dchengTSC

libplatform/io/FileSystem_win32.cpp

@@ -0,0 +1,146 @@
+#include "src/impl.h"
+#include "libplatform/impl.h" /* for platform_win32_impl.h which declares Utf8ToFilename */
+#include <windows.h>
+
+namespace mp4v2 {
+    using namespace impl;
+}
+
+namespace mp4v2 { namespace platform { namespace io {
+
+///////////////////////////////////////////////////////////////////////////////
+
+static DWORD    getAttributes ( string   path_ );
+
+/**
+ * Call GetFileAttributesW throw exceptions for errors
+ *
+ * @param path_ the path to get attributes for
+ *
+ * @retval INVALID_FILE_ATTRIBUTES @p path_ doesn't exist
+ * @retval anything else the attributes of @p path_
+ */
+static DWORD
+getAttributes ( string  path_ )
+{
+    win32::Utf8ToFilename filename(path_);
+
+    if (!filename.IsUTF16Valid())
+    {
+        // throw an exception to avoid changing the
+        // signature of this function and dealing with all
+        // the places it's called.
+        ostringstream msg;
+        msg << "can't convert file to UTF-16(" << filename.utf8 << ")";
+        throw new Exception(msg.str(),__FILE__,__LINE__,__FUNCTION__);
+    }
+
+    DWORD attributes = ::GetFileAttributesW(filename);
+    if( attributes == INVALID_FILE_ATTRIBUTES )
+    {
+        DWORD last_err = GetLastError();
+
+        // Distinguish between an error and the path not existing
+        if ((last_err == ERROR_FILE_NOT_FOUND) || (last_err == ERROR_PATH_NOT_FOUND))
+        {
+            return attributes;
+        }
+
+        // Anything else is an error
+        ostringstream msg;
+        msg << "GetFileAttributes(" << filename.utf8 << ") failed (" << last_err << ")";
+        throw new Exception(msg.str(),__FILE__,__LINE__,__FUNCTION__);
+    }
+
+    // path exists so return its attributes
+    return attributes;
+}
+
+bool
+FileSystem::exists( string path_ )
+{
+    return( getAttributes(path_) != INVALID_FILE_ATTRIBUTES );
+}
+
+///////////////////////////////////////////////////////////////////////////////
+
+bool
+FileSystem::isDirectory( string path_ )
+{
+    DWORD attributes = getAttributes( path_ );
+    if( attributes == INVALID_FILE_ATTRIBUTES )
+        return false;
+
+    return ( ( attributes & FILE_ATTRIBUTE_DIRECTORY ) == FILE_ATTRIBUTE_DIRECTORY );
+}
+
+///////////////////////////////////////////////////////////////////////////////
+
+bool
+FileSystem::isFile( string path_ )
+{
+    DWORD attributes = getAttributes( path_ );
+    if( attributes == INVALID_FILE_ATTRIBUTES )
+        return false;
+
+    return ( ( attributes & FILE_ATTRIBUTE_DIRECTORY ) != FILE_ATTRIBUTE_DIRECTORY );
+}
+
+///////////////////////////////////////////////////////////////////////////////
+
+bool
+FileSystem::getFileSize( string path_, File::Size& size_ )
+{
+    win32::Utf8ToFilename filename(path_);
+
+    if (!filename.IsUTF16Valid())
+    {
+        // The logging is done
+        return true;
+    }
+
+    size_ = 0;
+    WIN32_FILE_ATTRIBUTE_DATA data = {0};
+    if( !GetFileAttributesExW( filename, GetFileExInfoStandard, (LPVOID)&data ) )
+    {
+        log.errorf("%s: GetFileAttributesExW(%s) failed (%d)",__FUNCTION__,filename.utf8.c_str(),
+                   GetLastError());
+        return true;
+    }
+
+    size_ = ( (File::Size)data.nFileSizeHigh << 32 ) | data.nFileSizeLow;
+    return false;
+}
+
+///////////////////////////////////////////////////////////////////////////////
+
+bool
+FileSystem::rename( string from, string to )
+{
+    win32::Utf8ToFilename from_file(from);
+    win32::Utf8ToFilename to_file(to);
+
+    if (!from_file.IsUTF16Valid() || !to_file.IsUTF16Valid())
+    {
+        return true;
+    }
+
+    if (!::MoveFileExW( from_file, to_file,
+                        MOVEFILE_COPY_ALLOWED | MOVEFILE_REPLACE_EXISTING | MOVEFILE_WRITE_THROUGH ) )
+    {
+        log.errorf("%s: MoveFileExW(%s,%s) failed (%d)",__FUNCTION__,from_file.utf8.c_str(),to_file.utf8.c_str(),
+                   GetLastError());
+        return true;
+    }
+
+    return false;
+}
+
+///////////////////////////////////////////////////////////////////////////////
+
+string FileSystem::DIR_SEPARATOR  = "\\";
+string FileSystem::PATH_SEPARATOR = ";";
+
+///////////////////////////////////////////////////////////////////////////////
+
+}}} // namespace mp4v2::platform::io