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15b4f9bb66
_M_canvas and _M_typo are unused within "dot". Remove them and all references. * include/abg-viz-dot.h: remove unused data members from 'dot' Signed-off-by: Matthias Maennich <maennich@google.com>
171 lines
3.4 KiB
C++
171 lines
3.4 KiB
C++
// -*- mode: C++ -*-
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//
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// Copyright (C) 2013-2019 Red Hat, Inc.
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//
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// This file is part of the GNU Application Binary Interface Generic
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// Analysis and Instrumentation Library (libabigail). This library is
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// free software; you can redistribute it and/or modify it under the
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// terms of the GNU Lesser General Public License as published by the
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// Free Software Foundation; either version 3, or (at your option) any
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// later version.
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// This library is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// General Lesser Public License for more details.
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// You should have received a copy of the GNU Lesser General Public
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// License along with this program; see the file COPYING-LGPLV3. If
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// not, see <http://www.gnu.org/licenses/>.
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/// @file
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#ifndef __ABG_VIZ_DOT_H__
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#define __ABG_VIZ_DOT_H__
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#include <abg-viz-common.h>
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namespace abigail
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{
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/// Base class for graph nodes.
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struct node_base
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{
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/// Possible derived types.
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enum type { child, parent };
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std::string _M_id;
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static units_type _M_count_total; // Start at zero.
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units_type _M_count;
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type _M_type;
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float _M_x_space; // Column spacing.
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float _M_y_space; // Row spacing.
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const style& _M_style;
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explicit
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node_base(const std::string& __id, type __t, const style& __sty)
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: _M_id(__id), _M_count(++_M_count_total),
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_M_type(__t), _M_x_space(0.4), _M_y_space(0.2), _M_style(__sty)
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{ }
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};
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/// Useful constants.
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extern const style parent_sty;
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extern const style child_sty;
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/**
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Parent node.
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Some characteristics:
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- name (text anchor = start ie left).
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- background box x and y size
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- style info
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- (optional) template parameters
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*/
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struct parent_node : public node_base
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{
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parent_node(const std::string& __id)
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: node_base(__id, node_base::parent, parent_sty)
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{ }
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};
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/**
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Child node.
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Some characteristics:
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- horizontal name (text anchor = start ie left).
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- background box
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- (optional) template parameters
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*/
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struct child_node : public node_base
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{
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child_node(const std::string& __id)
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: node_base(__id, node_base::child, child_sty)
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{ }
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};
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/**
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DOT "graph" style notation for class inheritance.
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This is a compact DOT representation of a single class inheritance.
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It is composed of the following data points for each parent
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- parent classes
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- child classes
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- name
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Including typographic information to compute line length, and C++
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niceities like grouping and overload sets.
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It's constructed by creating a digraph, starting from the base node.
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*/
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struct dot
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{
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private:
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const std::string _M_title;
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std::ostringstream _M_sstream;
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public:
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dot(const std::string &__title)
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: _M_title(__title)
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{ }
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// Empty when the output buffer is.
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bool
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empty() { return _M_sstream.str().empty(); }
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void
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start_element();
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void
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finish_element();
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void
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add_title();
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void
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add_node(const node_base&);
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void
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add_edge(const node_base&, const node_base&);
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void
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add_parent(const parent_node&);
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void
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add_child_to_node(const child_node&, const node_base&);
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void
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write();
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void
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start()
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{
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this->start_element();
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}
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void
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finish()
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{
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this->finish_element();
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this->write();
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}
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};
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// XXX connect external xml file to input.
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// parse input, pick apart elements, attributes.
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}// end namespace abigail
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#endif //__ABG_VIZ_DOT_H__
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