1 /*---------------------------------------------------------------------------*
2   Project:  NintendoWare
3   File:     SmFile.h
4 
5   Copyright (C)2009-2011 Nintendo/HAL Laboratory, Inc.  All rights reserved.
6 
7   These coded instructions, statements, and computer programs contain proprietary
8   information of Nintendo and/or its licensed developers and are protected by
9   national and international copyright laws. They may not be disclosed to third
10   parties or copied or duplicated in any form, in whole or in part, without the
11   prior written consent of Nintendo.
12 
13   The content herein is highly confidential and should be handled accordingly.
14 
15   $Revision: $
16  *---------------------------------------------------------------------------*/
17 #ifndef SM_FILE_H_
18 #define SM_FILE_H_
19 
20 #include <nn/fs.h>
21 #include "../include/SmBase.h"
22 
23 
24 //------------------------------------------------------------------------------
25 // �t�@�C���̓ǂݍ��݂��s���N���X�ł��B
26 class SmFile
27 {
28 public:
29     // �R���X�g���N�^
30     SmFile( bool autoFree = false )
m_Buffer(NULL)31     : m_Buffer(NULL),
32       m_Size(0),
33       m_AutoFree( autoFree ),
34       m_Allocator( NULL ){}
35 
36     // �f�X�g���N�^
~SmFile()37     ~SmFile()
38     {
39          if ( m_AutoFree )
40         {
41             Release();
42         }
43     }
44 
45     // �w�肳�ꂽ�t�@�C����ǂݍ��݂܂��B
Read(const wchar_t * fileName,nw::os::IAllocator * allocator)46     bool Read( const wchar_t* fileName, nw::os::IAllocator* allocator )
47     {
48         NW_ASSERT(m_Buffer == NULL);
49         NW_NULL_ASSERT( allocator );
50 
51         m_Allocator = allocator;
52 
53         nn::fs::FileReader fileReader(fileName);
54         if (fileReader.GetSize() <= 0)
55         {
56             return false;
57         }
58 
59         this->m_Size = static_cast<u32>(fileReader.GetSize());
60         this->m_Buffer = static_cast<u8*>(m_Allocator->Alloc(this->m_Size, 128));
61         if (this->m_Buffer == NULL)
62         {
63             this->m_Size = 0;
64             return false;
65         }
66 
67         fileReader.Read(this->m_Buffer, this->m_Size);
68         fileReader.Finalize();
69 
70         return true;
71     }
72 
73     // �ǂݍ����t�@�C���̃o�b�t�@���擾���܂��B
Buffer()74     u8* Buffer()
75     {
76         return this->m_Buffer;
77     }
78 
79     // �ǂݍ����t�@�C���̃T�C�Y���擾���܂��B
Size()80     u32 Size()
81     {
82         return this->m_Size;
83     }
84 
85     // �m�ۂ�����������������܂�
Release()86     void Release()
87     {
88          if ( m_Buffer )
89         {
90             m_Allocator->Free( m_Buffer );
91             m_Buffer = NULL;
92         }
93     }
94 
95 private:
96     u8*                     m_Buffer;
97     u32                     m_Size;
98     bool                    m_AutoFree;
99     nw::os::IAllocator*     m_Allocator;
100 };
101 
102 
103 #endif  // SM_FILE_H_
104