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e80ad1adee
* include/abg-irfwd.h: New file for forward declarations. * include/Makefile.am: Add new header. * include/Makefile.in: Regenerate. * include/*: Forward declare, doxygen fixups, restyle. * src/*: Same. * src/abg-corpus.cc: Empty, removed. * doc/api/libabigail.doxy: Tweak.
162 lines
3.6 KiB
C++
162 lines
3.6 KiB
C++
// -*- mode: C++ -*-
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//
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// Copyright (C) 2013 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_SVG_H__
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#define __ABG_VIZ_SVG_H__
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#include <abg-viz-common.h>
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namespace abigail
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{
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/**
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Row displaying one element of member data.
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Wide open background spaces, what do they look like, what do the
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things in the foreground look like? Rectangle, for one.
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Some characteristics:
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- horizontal label (text anchor = start ie left).
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- background box
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- text data (text anchor = middle ie centered).
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*/
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struct row
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{
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std::string _M_id;
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const style& _M_style;
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units_type _M_offset;
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units_type _M_size;
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units_type _M_align;
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};
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/// Useful row constants. Maybe just do enum->value map.
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extern const style primary_row_sty;
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extern const style base_row_sty;
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extern const style member_row_sty;
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extern const style implementation_row_sty;
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/**
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SVG "array" style notation for size/layout/alignment.
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This is a compact SVG representation of class layout.
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It is composed of a minimum of three data points for each member or
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base of a class:
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- offset index
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- size
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- align
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Including annotations for holes, padding, and
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implementation-specified and otherwise invisible objects.
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It's constructed by creating vertical columns for each of the data
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points specified above, and filling in horizontal rows for each of
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the class components.
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*/
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struct svg
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{
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private:
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const std::string _M_title;
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const canvas& _M_canvas;
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const typography& _M_typo;
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const units_type _M_x_size = 3; // Number of columns
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units_type _M_x_space; // Column spacing.
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units_type _M_x_origin; // X origin
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units_type _M_y_size; // Number of rows
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units_type _M_y_space; // Row spacing.
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units_type _M_y_origin; // Y origin
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std::ostringstream _M_sstream;
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// static const units_type _M_stroke_width = 1;
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// static const units_type _M_text_padding = 10;
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public:
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svg(const std::string __title,
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const canvas& __cv = ansi_letter_canvas,
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const typography& __typo = arial_typo)
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: _M_title(__title), _M_canvas(__cv), _M_typo(__typo), _M_y_size(0)
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{
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// Offsets require: typo, canvas units, size.
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_M_x_space = 40;
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_M_y_space = 40;
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_M_x_origin = _M_x_space * 1;
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_M_y_origin = _M_y_space * 2;
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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_y_row(const row&);
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void
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add_y_lines();
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void
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add_y_label();
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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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this->add_title();
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}
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void
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finish()
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{
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this->add_y_label();
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this->add_y_lines();
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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_SVG_H__
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