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67 lines
2 KiB
C++
67 lines
2 KiB
C++
/* Copyright (C) 1989, 1990, 1991, 1992 Free Software Foundation, Inc.
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Written by Gaius Mulley (gaius@glam.ac.uk)
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This file is part of groff.
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groff is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 2, or (at your option) any later
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version.
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groff is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License along
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with groff; see the file COPYING. If not, write to the Free Software
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Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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#include <stddef.h>
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#include <stdlib.h>
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#include <string.h>
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#include "posix.h"
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#include "stringclass.h"
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/*
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* this file contains a very simple set of routines shared by
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* tbl, pic, eqn which help the html device driver to make
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* sensible formatting choices. Currently it simply indicates
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* when a region of gyphs should be rendered as an image rather
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* than html. In the future it should be expanded so to enable:
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*
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* tbl to inform grohtml about table widths.
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* troff to inform grohtml about tab positions and whether
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* we are entering two/three column mode.
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*/
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static int is_in_graphic_start = 0;
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/*
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* graphic_start - emit a html graphic start indicator, but only
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* if one has not already been issued.
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*/
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void graphic_start (void)
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{
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if (! is_in_graphic_start) {
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put_string(".if '\\*(.T'html' \\X(graphic-start(\\c\n", stdout);
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is_in_graphic_start = 1;
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}
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}
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/*
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* graphic_end - emit a html graphic end indicator, but only
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* if a corresponding matching graphic-start has
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* been issued.
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*/
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void graphic_end (void)
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{
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if (is_in_graphic_start) {
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put_string(".if '\\*(.T'html' \\X(graphic-end(\\c\n", stdout);
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is_in_graphic_start = 0;
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}
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}
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