klayout/src/plugins/streamers/lefdef/db_plugin/dbLEFImporter.h

118 lines
3.0 KiB
C++

/*
KLayout Layout Viewer
Copyright (C) 2006-2018 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
*/
#ifndef HDR_dbLEFImporter
#define HDR_dbLEFImporter
#include "dbPluginCommon.h"
#include "dbLEFDEFImporter.h"
#include "dbLayout.h"
#include "dbReader.h"
#include "dbStreamLayers.h"
#include "tlStream.h"
#include <vector>
#include <string>
#include <map>
namespace db
{
/**
* @brief The LEF importer object
*/
class DB_PLUGIN_PUBLIC LEFImporter
: public LEFDEFImporter
{
public:
/**
* @brief Default constructor
*/
LEFImporter ();
/**
* @brief Destructor
*/
~LEFImporter ();
/**
* @brief Get the cell for a macro name
*
* Returns 0 if the name is not a valid macro name. Otherwise it returns the pointer
* to the corresponding db::Cell object.
*/
db::Cell *macro_by_name (const std::string &macro_name) const;
/**
* @brief Get the cell bbox for the given macro name
*/
db::Box macro_bbox_by_name (const std::string &macro_name) const;
/**
* @brief Get the width for a layer with the given name
*
* Returns the given default width if the layer is not found.
* The nondefaultrule name gives the name of the nondefaultrule or an empty string if
* none is requested.
*/
double layer_width (const std::string &layer, const std::string &nondefaultrule, double def_width = 0.0) const;
/**
* @brief Get the extension for a layer with the given name
*
* Returns the given default extension if the layer is not found.
*/
double layer_ext (const std::string &layer, double def_ext = 0.0) const;
/**
* @brief Gets a map of the vias defined in this LEF file
*
* The map maps the via name to the via description.
*/
const std::map<std::string, ViaDesc> &vias () const
{
return m_vias;
}
protected:
void do_read (db::Layout &layout);
private:
std::map<std::string, std::map<std::string, double> > m_nondefault_widths;
std::map<std::string, double> m_default_widths;
std::map<std::string, double> m_default_ext;
std::map<std::string, db::Cell *> m_macros_by_name;
std::map<std::string, db::Box> m_macro_bboxes_by_name;
std::map<std::string, ViaDesc> m_vias;
std::vector <db::Trans> get_iteration (db::Layout &layout);
void read_geometries (db::Layout &layout, db::Cell &cell, LayerPurpose purpose, std::map<std::string, db::Box> *collect_bboxes = 0);
};
}
#endif