AK+FileManager: Move out human_readable_size to AK::NumberFormat

AK/NumberFormat.h

@@ -0,0 +1,53 @@
+/*
+ * Copyright (c) 2020, The SerenityOS developers.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#pragma once
+
+#include <AK/Forward.h>
+#include <AK/String.h>
+
+namespace AK {
+
+static String number_string_with_one_decimal(float number, const char* suffix)
+{
+    float decimals = number - (int)number;
+    return String::format("%d.%d %s", (int)number, (int)(decimals * 10), suffix);
+}
+
+static String human_readable_size(size_t size)
+{
+    if (size < 1 * KB)
+        return String::format("%zu bytes", size);
+    if (size < 1 * MB)
+        return number_string_with_one_decimal((float)size / (float)KB, "KB");
+    if (size < 1 * GB)
+        return number_string_with_one_decimal((float)size / (float)MB, "MB");
+    return number_string_with_one_decimal((float)size / (float)GB, "GB");
+}
+
+}
+
+using namespace AK;

Applications/FileManager/DirectoryView.cpp

@@ -26,6 +26,7 @@
 
 #include "DirectoryView.h"
 #include <AK/FileSystemPath.h>
+#include <AK/NumberFormat.h>
 #include <AK/StringBuilder.h>
 #include <AK/URL.h>
 #include <LibCore/DesktopServices.h>
@@ -33,24 +34,6 @@
 #include <stdio.h>
 #include <unistd.h>
 
-// FIXME: Remove this hackery once printf() supports floats.
-static String number_string_with_one_decimal(float number, const char* suffix)
-{
-    float decimals = number - (int)number;
-    return String::format("%d.%d %s", (int)number, (int)(decimals * 10), suffix);
-}
-
-static String human_readable_size(size_t size)
-{
-    if (size < 1 * KB)
-        return String::format("%zu bytes", size);
-    if (size < 1 * MB)
-        return number_string_with_one_decimal((float)size / (float)KB, "KB");
-    if (size < 1 * GB)
-        return number_string_with_one_decimal((float)size / (float)MB, "MB");
-    return number_string_with_one_decimal((float)size / (float)GB, "GB");
-}
-
 void DirectoryView::handle_activation(const GUI::ModelIndex& index)
 {
     if (!index.is_valid())
@@ -98,9 +81,9 @@ DirectoryView::DirectoryView()
             open(m_path_history.at(m_path_history_position));
         else
             quit = true;
-        
+
         if (on_error)
-            on_error(error, error_string, quit);        
+            on_error(error, error_string, quit);
     };
 
     m_model->on_complete = [this] {