| TagLib 1.13 |  |

modfileprivate.h
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1/***************************************************************************
2 copyright : (C) 2011 by Mathias Panzenböck
3 email : grosser.meister.morti@gmx.net
4 ***************************************************************************/
5
6/***************************************************************************
7 * This library is free software; you can redistribute it and/or modify *
8 * it under the terms of the GNU Lesser General Public License version *
9 * 2.1 as published by the Free Software Foundation. *
10 * *
11 * This library is distributed in the hope that it will be useful, but *
12 * WITHOUT ANY WARRANTY; without even the implied warranty of *
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
14 * Lesser General Public License for more details. *
15 * *
16 * You should have received a copy of the GNU Lesser General Public *
17 * License along with this library; if not, write to the Free Software *
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, *
19 * MA 02110-1301 USA *
20 ***************************************************************************/
21
22#ifndef TAGLIB_MODFILEPRIVATE_H
23#define TAGLIB_MODFILEPRIVATE_H
24
25// some helper-macros only used internally by (s3m|it|xm)file.cpp
26#define READ_ASSERT(cond) \
27 if(!(cond)) \
28 { \
29 setValid(false); \
30 return; \
31 }
32
33#define READ(setter,type,read) \
34 { \
35 type number; \
36 READ_ASSERT(read(number)); \
37 setter(number); \
38 }
39
40#define READ_BYTE(setter) READ(setter,unsigned char,readByte)
41#define READ_U16L(setter) READ(setter,unsigned short,readU16L)
42#define READ_U32L(setter) READ(setter,unsigned long,readU32L)
43#define READ_U16B(setter) READ(setter,unsigned short,readU16B)
44#define READ_U32B(setter) READ(setter,unsigned long,readU32B)
45
46#define READ_STRING(setter,size) \
47 { \
48 String s; \
49 READ_ASSERT(readString(s, size)); \
50 setter(s); \
51 }
52
53#define READ_AS(type,name,read) \
54 type name = 0; \
55 READ_ASSERT(read(name));
56
57#define READ_BYTE_AS(name) READ_AS(unsigned char,name,readByte)
58#define READ_U16L_AS(name) READ_AS(unsigned short,name,readU16L)
59#define READ_U32L_AS(name) READ_AS(unsigned long,name,readU32L)
60#define READ_U16B_AS(name) READ_AS(unsigned short,name,readU16B)
61#define READ_U32B_AS(name) READ_AS(unsigned long,name,readU32B)
62
63#define READ_STRING_AS(name,size) \
64 String name; \
65 READ_ASSERT(readString(name, size));
66
67#endif