102 lines
2.2 KiB
C++
102 lines
2.2 KiB
C++
/*
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* Copyright (c) 2000-2010 Stephen Williams (steve@icarus.com)
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*
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* This source code is free software; you can redistribute it
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* and/or modify it in source code form under the terms of the GNU
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* General Public License as published by the Free Software
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* Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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# include "config.h"
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# include "Attrib.h"
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# include <cassert>
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Attrib::Attrib()
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{
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nlist_ = 0;
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list_ = 0;
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}
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Attrib::~Attrib()
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{
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delete[] list_;
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}
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const verinum& Attrib::attribute(perm_string key) const
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{
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for (unsigned idx = 0 ; idx < nlist_ ; idx += 1) {
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if (key == list_[idx].key)
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return list_[idx].val;
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}
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static const verinum null;
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return null;
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}
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void Attrib::attribute(perm_string key, const verinum&value)
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{
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unsigned idx;
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for (idx = 0 ; idx < nlist_ ; idx += 1) {
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if (key == list_[idx].key) {
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list_[idx].val = value;
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return;
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}
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}
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struct cell_*tmp = new struct cell_[nlist_+1];
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for (idx = 0 ; idx < nlist_ ; idx += 1)
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tmp[idx] = list_[idx];
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tmp[nlist_].key = key;
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tmp[nlist_].val = value;
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nlist_ += 1;
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delete[]list_;
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list_ = tmp;
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}
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bool Attrib::has_compat_attributes(const Attrib&that) const
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{
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unsigned idx;
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for (idx = 0 ; idx < that.nlist_ ; idx += 1) {
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verinum tmp = attribute(that.list_[idx].key);
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if (tmp != that.list_[idx].val)
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return false;
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}
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return true;
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}
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unsigned Attrib::attr_cnt() const
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{
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return nlist_;
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}
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perm_string Attrib::attr_key(unsigned idx) const
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{
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assert(idx < nlist_);
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return list_[idx].key;
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}
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const verinum& Attrib::attr_value(unsigned idx) const
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{
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assert(idx < nlist_);
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return list_[idx].val;
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}
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