klayout/src/db/db/dbWriterTools.h

142 lines
3.6 KiB
C++

/*
KLayout Layout Viewer
Copyright (C) 2006-2020 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_dbWriterTools
#define HDR_dbWriterTools
#include "dbCommon.h"
#include "dbTypes.h"
#include <map>
#include <set>
#include <string>
namespace db
{
class Layout;
/**
* @brief A class for cell name transformations
*
* The default settings are: allow upper and lower case characters and digits.
* Replace all other characters with a '$'.
*/
class DB_PUBLIC WriterCellNameMap
{
public:
/**
* @brief Create a cell name map with unlimited cell name length
*/
WriterCellNameMap ();
/**
* @brief Create a cell name map with the specified maximum cell name length
*/
WriterCellNameMap (size_t max_cellname_length);
/**
* @brief Specify the replacement characters.
*
* This method specifies the replacement character which will replace all
* non-specified characters.
* If the replacement character is 0, characters not allowed are ignored.
* If the replacement character is \t, a hex sequence will be inserted for
* the original characters.
*/
void replacement (char c);
/**
* @brief Specify character transformation
*
* Replaces all of the characters in the first string by the ones in the second
* string. Both strings must have the same length.
* By specifying a replacement character of \t, a hex sequence will be inserted for
* the original characters.
*/
void transform (const char *what, const char *with);
/**
* @brief Disallows all characters
*/
void disallow_all ();
/**
* @brief Allows the specified characters
*
* @param what The characters to allow
*/
void allow (const char *what)
{
transform (what, what);
}
/**
* @brief Allows all printing characters (ASCII 0x21..0x7f)
*/
void allow_all_printing ();
/**
* @brief Allow standard characters
*
* Allows upper case, lower case, digits, the underscore and the dollar character
* or disallow them. By default, all these characters are allowed.
*/
void allow_standard (bool upper_case, bool lower_case, bool digits);
/**
* @brief Insert all cells from the given layout
*/
void insert (const db::Layout &layout);
/**
* @brief Insert the given cell name for the given cell id
*
* The name is checked for length and compliance with the character map.
* If the name does not comply, it is adjusted acoordingly.
*/
void insert (db::cell_index_type id, const std::string &cell_name);
/**
* @brief Obtain the output cell name for a given cell id
*
* The output cell name is guaranteed to be compliant with the max cell name length
* and the character transformation rules.
*/
const std::string &cell_name (db::cell_index_type id) const;
private:
std::map <db::cell_index_type, std::string> m_map;
std::set <std::string> m_cell_names;
char m_character_trans [256];
char m_default_char;
size_t m_max_cellname_length;
};
}
#endif