/
compound.cpp
81 lines (72 loc) · 1.95 KB
/
compound.cpp
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/*
* The Doomsday Engine Project -- libcore
*
* Copyright © 2004-2017 Jaakko Keränen <jaakko.keranen@iki.fi>
*
* @par License
* LGPL: http://www.gnu.org/licenses/lgpl.html
*
* <small>This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 3 of the License, or (at your
* option) any later version. This program 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 program; if not, see:
* http://www.gnu.org/licenses</small>
*/
#include "de/Compound"
#include "de/Statement"
#include "de/Writer"
#include "de/Reader"
using namespace de;
Compound::Compound()
{}
Compound::~Compound()
{
clear();
}
void Compound::clear()
{
for (Statements::iterator i = _statements.begin(); i != _statements.end(); ++i)
{
delete *i;
}
_statements.clear();
}
Statement const *Compound::firstStatement() const
{
if (_statements.empty())
{
return NULL;
}
return *_statements.begin();
}
void Compound::add(Statement *statement, duint lineNumber)
{
statement->setLineNumber(lineNumber);
if (_statements.size() > 0)
{
_statements.back()->setNext(statement);
}
_statements.push_back(statement);
}
void Compound::operator >> (Writer &to) const
{
to << duint32(_statements.size());
for (Statements::const_iterator i = _statements.begin(); i != _statements.end(); ++i)
{
to << **i;
}
}
void Compound::operator << (Reader &from)
{
duint32 count;
from >> count;
clear();
while (count--)
{
add(Statement::constructFrom(from), 0 /* unknown line number */);
}
}