klayout/src/db/dbPCellHeader.cc

151 lines
3.9 KiB
C++

/*
KLayout Layout Viewer
Copyright (C) 2006-2017 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 "dbPCellHeader.h"
#include "dbPCellVariant.h"
#include "dbLayoutUtils.h"
namespace db
{
// ----------------------------------------------------------------------------------------
// PCellParametersCompareFunc implementation
bool
PCellParametersCompareFunc::operator() (const pcell_parameters_type *a, const pcell_parameters_type *b) const
{
if (a->size () != b->size ()) {
return a->size () < b->size ();
}
for (size_t i = 0; i < a->size (); ++i) {
if ((*a)[i] < (*b)[i]) {
return true;
} else if ((*b)[i] < (*a)[i]) {
return false;
}
}
return false;
}
// ----------------------------------------------------------------------------------------
// PCellHeader implementation
PCellHeader::PCellHeader (size_t pcell_id, const std::string &name, PCellDeclaration *declaration)
: mp_declaration (declaration), m_pcell_id (pcell_id), m_name (name)
{
if (mp_declaration) {
mp_declaration->add_ref ();
}
}
PCellHeader::PCellHeader (const PCellHeader &d)
: mp_declaration (d.mp_declaration), m_pcell_id (d.m_pcell_id), m_name (d.m_name)
{
if (mp_declaration) {
mp_declaration->add_ref ();
}
}
PCellHeader::~PCellHeader ()
{
if (mp_declaration) {
mp_declaration->release_ref ();
}
mp_declaration = 0;
}
void
PCellHeader::declaration (PCellDeclaration *declaration)
{
if (mp_declaration) {
mp_declaration->release_ref ();
}
mp_declaration = declaration;
if (declaration) {
mp_declaration->add_ref ();
}
}
std::vector<unsigned int>
PCellHeader::get_layer_indices (db::Layout &layout, const db::pcell_parameters_type &parameters, db::ImportLayerMapping *layer_mapping)
{
if (! declaration ()) {
return std::vector<unsigned int> ();
}
db::DirectLayerMapping direct_layer_mapping (&layout);
if (! layer_mapping) {
layer_mapping = &direct_layer_mapping;
}
std::vector<db::PCellLayerDeclaration> layer_declarations = mp_declaration->get_layer_declarations (parameters);
std::vector<unsigned int> layer_indices;
layer_indices.reserve (layer_declarations.size ());
for (size_t i = 0; i < layer_declarations.size (); ++i) {
std::pair<bool, unsigned int> lm (false, 0);
if (layer_declarations[i] != db::LayerProperties ()) {
lm = layer_mapping->map_layer (layer_declarations[i]);
}
if (lm.first) {
layer_indices.push_back (lm.second);
} else {
layer_indices.push_back (layout.waste_layer ());
}
}
return layer_indices;
}
PCellVariant *
PCellHeader::get_variant (db::Layout & /*layout*/, const pcell_parameters_type &parameters)
{
variant_map_t::iterator v = m_variant_map.find (&parameters);
if (v != m_variant_map.end ()) {
return v->second;
} else {
return 0;
}
}
void
PCellHeader::unregister_variant (PCellVariant *variant)
{
variant_map_t::iterator v = m_variant_map.find (&variant->parameters ());
tl_assert (v != m_variant_map.end ());
m_variant_map.erase (v);
}
void
PCellHeader::register_variant (PCellVariant *variant)
{
variant_map_t::iterator v = m_variant_map.find (&variant->parameters ());
tl_assert (v == m_variant_map.end ());
m_variant_map.insert (std::make_pair (&variant->parameters (), variant));
}
}