modfileprivate.h
Go to the documentation of this file.
/***************************************************************************
copyright : (C) 2011 by Mathias Panzenböck
email : grosser.meister.morti@gmx.net
***************************************************************************/
/***************************************************************************
* This library is free software; you can redistribute it and/or modify *
* it under the terms of the GNU Lesser General Public License version *
* 2.1 as published by the Free Software Foundation. *
* *
* This library is distributed in the hope that it will be useful, but *
* WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
* Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public *
* License along with this library; if not, write to the Free Software *
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, *
* MA 02110-1301 USA *
***************************************************************************/
#ifndef TAGLIB_MODFILEPRIVATE_H
#define TAGLIB_MODFILEPRIVATE_H
// some helper-macros only used internally by (s3m|it|xm)file.cpp
#define READ_ASSERT(cond) \
do { \
if(!(cond)) { \
setValid(false); \
return; \
} \
} while(0)
#define READ(setter, type, read) \
do { \
type number; \
READ_ASSERT(read(number)); \
setter(number); \
} while(0)
#define READ_BYTE(setter) READ(setter, unsigned char, readByte)
#define READ_U16L(setter) READ(setter, unsigned short, readU16L)
#define READ_U32L(setter) READ(setter, unsigned long, readU32L)
#define READ_U16B(setter) READ(setter, unsigned short, readU16B)
#define READ_U32B(setter) READ(setter, unsigned long, readU32B)
#define READ_STRING(setter, size) \
do { \
String s; \
READ_ASSERT(readString(s, size)); \
setter(s); \
} while(0)
#define READ_AS(type, name, read) \
type name = 0; \
READ_ASSERT(read(name))
#define READ_BYTE_AS(name) READ_AS(unsigned char, name, readByte)
#define READ_U16L_AS(name) READ_AS(unsigned short, name, readU16L)
#define READ_U32L_AS(name) READ_AS(unsigned long, name, readU32L)
#define READ_U16B_AS(name) READ_AS(unsigned short, name, readU16B)
#define READ_U32B_AS(name) READ_AS(unsigned long, name, readU32B)
#define READ_STRING_AS(name, size) \
String name; \
READ_ASSERT(readString(name, size))
#endif