klayout/src/laybasic/laybasic/layObjectInstPath.cc

167 lines
3.6 KiB
C++

/*
KLayout Layout Viewer
Copyright (C) 2006-2022 Matthias Koefferlein
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "dbBox.h"
#include "dbLayout.h"
#include "layObjectInstPath.h"
#include "layCellView.h"
#include "tlException.h"
namespace lay {
// ----------------------------------------------------------------------
// ObjectInstPath implementation
ObjectInstPath::ObjectInstPath ()
: m_cv_index (0), m_topcell (0), m_layer (-1), m_seq (0)
{
// .. nothing yet ..
}
db::cell_index_type
ObjectInstPath::cell_index_tot () const
{
if (m_path.empty ()) {
return m_topcell;
} else {
return m_path.back ().inst_ptr.cell_index ();
}
}
db::ICplxTrans
ObjectInstPath::trans_tot () const
{
db::ICplxTrans t;
iterator end = m_path.end ();
for (iterator i = m_path.begin (); i != end; ++i) {
t = t * i->complex_trans ();
}
return t;
}
db::cell_index_type
ObjectInstPath::cell_index () const
{
if (m_path.empty ()) {
return m_topcell;
} else if (! is_cell_inst ()) {
return m_path.back ().inst_ptr.cell_index ();
} else {
iterator end = m_path.end ();
--end;
if (end == m_path.begin ()) {
return m_topcell;
} else {
--end;
return end->inst_ptr.cell_index ();
}
}
}
db::ICplxTrans
ObjectInstPath::trans () const
{
db::ICplxTrans t;
// For instances, the last element is the instance itself - do not count that in the transformation.
iterator end = m_path.end ();
if (is_cell_inst () && end != m_path.begin ()) {
--end;
}
for (iterator i = m_path.begin (); i != end; ++i) {
t = t * i->complex_trans ();
}
return t;
}
void
ObjectInstPath::remove_front (unsigned int n)
{
while (n > 0) {
--n;
tl_assert (! m_path.empty ());
if (n == 0) {
m_topcell = m_path.front ().inst_ptr.cell_index ();
}
m_path.erase (m_path.begin ());
}
}
void
ObjectInstPath::insert_front (db::cell_index_type topcell, const db::InstElement &elem)
{
tl_assert (m_topcell == elem.inst_ptr.cell_index ());
m_topcell = topcell;
m_path.insert (m_path.begin (), elem);
}
bool
ObjectInstPath::operator< (const ObjectInstPath &d) const
{
if (is_cell_inst () != d.is_cell_inst ()) {
return is_cell_inst () < d.is_cell_inst ();
}
if (! is_cell_inst ()) {
if (m_layer != d.m_layer) {
return m_layer < d.m_layer;
}
if (m_shape != d.m_shape) {
return m_shape < d.m_shape;
}
}
if (m_cv_index != d.m_cv_index) {
return m_cv_index < d.m_cv_index;
}
if (m_topcell != d.m_topcell) {
return m_topcell < d.m_topcell;
}
return m_path < d.m_path;
}
bool
ObjectInstPath::operator== (const ObjectInstPath &d) const
{
if (is_cell_inst () != d.is_cell_inst ()) {
return false;
}
if (! is_cell_inst ()) {
if (m_layer != d.m_layer) {
return false;
}
if (m_shape != d.m_shape) {
return false;
}
}
if (m_cv_index != d.m_cv_index) {
return false;
}
if (m_topcell != d.m_topcell) {
return false;
}
return m_path == d.m_path;
}
}