C++ Library containing a lot of needful things: Stack Trace, Command Line Parser, Resource Handling, Configuration Files, Unix Command Execution, Directories, Regular Expressions, Tokenizer, Function Trace, Standard Extensions.
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20 years ago
/** @file
$Id$
$Date$
$Author$
@copy © Marc Wäckerlin
@license LGPL, see file <a href="license.html">COPYING</a>
$Log$
Revision 1.4 2005/11/29 12:39:42 marc
make it compilable with gcc 4.0.2 and newer doxygen
Revision 1.3 2005/04/07 20:48:20 marc
docu: new doxygen, new grouping
Revision 1.2 2004/12/20 07:40:35 marc
documentation improved, new grouping
20 years ago
Revision 1.1 2004/10/07 09:31:30 marc
new feature
*/
#ifndef __MRW__DEQUE__HPP__
#define __MRW__DEQUE__HPP__
#include <deque>
#include <mrw/exception.hpp>
#include <mrw/string.hpp>
/** @addtogroup StdExtSTL
*/
//@{
/** @defgroup StdExtdeque deque
*/
//@{
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/** @brief push a value to a deque
@code
std::deque<int> test;
test<<1<<2<<3<<4<<5<<6<<7<<8;
@endcode
@param l a deque of values
@param o a value to be inserted into deque @c l
@pre \#include <mrw/deque.hpp>
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*/
template <typename T, typename A>
std::deque<T, A>& operator<<(std::deque<T, A>& l, const T& o) throw(std::bad_exception) {
l.push_back(o);
return l;
}
/** @brief extract the first value of a deque
@code
std::deque<int> test;
test<<1<<2<<3<<4<<5<<6<<7<<8;
int i1(0), i2(0), i3(0), i4(0);
test>>i1>>i2>>i3>>i4;
// now: i1==1 i2==2 i3==3 i4==4 test=={5, 6, 7, 8}
@endcode
@param l a deque of values
@param o a value to be extracted from deque @c l
@throw mrw::length_error, if deque was empty on entry
@note when something is extracted from a deque, it is removed
from the deque, that means after every shift the deque is
shortened by the shifted element
@pre \#include <mrw/deque.hpp>
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*/
template <typename T, typename A>
std::deque<T, A>& operator>>(std::deque<T, A>& l, T& o) throw(std::exception) {
typename std::deque<T, A>::iterator it(l.begin());
if (it==l.end())
throw mrw::length_error(std::string(__FILE__ ":")+__LINE__+
": std::deque<>& operator>>(std::deque<>&, T&),"
" deque is empty");
o = *it;
l.erase(it);
return l;
}
//@}
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//@}
#endif