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Diffstat (limited to 'contrib/groff/src/preproc/eqn/special.cc')
-rw-r--r--contrib/groff/src/preproc/eqn/special.cc115
1 files changed, 0 insertions, 115 deletions
diff --git a/contrib/groff/src/preproc/eqn/special.cc b/contrib/groff/src/preproc/eqn/special.cc
deleted file mode 100644
index 310261ae4c59..000000000000
--- a/contrib/groff/src/preproc/eqn/special.cc
+++ /dev/null
@@ -1,115 +0,0 @@
-// -*- C++ -*-
-/* Copyright (C) 1989, 1990, 1991, 1992 Free Software Foundation, Inc.
- Written by James Clark (jjc@jclark.com)
-
-This file is part of groff.
-
-groff 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, or (at your option) any later
-version.
-
-groff 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 groff; see the file COPYING. If not, write to the Free Software
-Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
-
-#include "eqn.h"
-#include "pbox.h"
-
-#define STRING_FORMAT PREFIX "str%d"
-
-#define SPECIAL_STRING "0s"
-#define SPECIAL_WIDTH_REG "0w"
-#define SPECIAL_HEIGHT_REG "0h"
-#define SPECIAL_DEPTH_REG "0d"
-#define SPECIAL_SUB_KERN_REG "0skern"
-#define SPECIAL_SKEW_REG "0skew"
-
-/*
-For example:
-
-.de Cl
-.ds 0s \Z'\\*[0s]'\v'\\n(0du'\D'l \\n(0wu -\\n(0hu-\\n(0du'\v'\\n(0hu'
-..
-.EQ
-define cancel 'special Cl'
-.EN
-*/
-
-
-class special_box : public pointer_box {
- char *macro_name;
-public:
- special_box(char *, box *);
- ~special_box();
- int compute_metrics(int);
- void compute_subscript_kern();
- void compute_skew();
- void output();
- void debug_print();
-};
-
-box *make_special_box(char *s, box *p)
-{
- return new special_box(s, p);
-}
-
-special_box::special_box(char *s, box *pp) : pointer_box(pp), macro_name(s)
-{
-}
-
-special_box::~special_box()
-{
- a_delete macro_name;
-}
-
-int special_box::compute_metrics(int style)
-{
- int r = p->compute_metrics(style);
- p->compute_subscript_kern();
- p->compute_skew();
- printf(".ds " SPECIAL_STRING " \"");
- p->output();
- printf("\n");
- printf(".nr " SPECIAL_WIDTH_REG " 0\\n[" WIDTH_FORMAT "]\n", p->uid);
- printf(".nr " SPECIAL_HEIGHT_REG " \\n[" HEIGHT_FORMAT "]\n", p->uid);
- printf(".nr " SPECIAL_DEPTH_REG " \\n[" DEPTH_FORMAT "]\n", p->uid);
- printf(".nr " SPECIAL_SUB_KERN_REG " \\n[" SUB_KERN_FORMAT "]\n", p->uid);
- printf(".nr " SPECIAL_SKEW_REG " 0\\n[" SKEW_FORMAT "]\n", p->uid);
- printf(".%s\n", macro_name);
- printf(".rn " SPECIAL_STRING " " STRING_FORMAT "\n", uid);
- printf(".nr " WIDTH_FORMAT " 0\\n[" SPECIAL_WIDTH_REG "]\n", uid);
- printf(".nr " HEIGHT_FORMAT " 0>?\\n[" SPECIAL_HEIGHT_REG "]\n", uid);
- printf(".nr " DEPTH_FORMAT " 0>?\\n[" SPECIAL_DEPTH_REG "]\n", uid);
- printf(".nr " SUB_KERN_FORMAT " 0>?\\n[" SPECIAL_SUB_KERN_REG "]\n", uid);
- printf(".nr " SKEW_FORMAT " 0\\n[" SPECIAL_SKEW_REG "]\n", uid);
- // User will have to change MARK_REG if appropriate.
- return r;
-}
-
-void special_box::compute_subscript_kern()
-{
- // Already computed in compute_metrics(), so do nothing.
-}
-
-void special_box::compute_skew()
-{
- // Already computed in compute_metrics(), so do nothing.
-}
-
-void special_box::output()
-{
- printf("\\*[" STRING_FORMAT "]", uid);
-}
-
-void special_box::debug_print()
-{
- fprintf(stderr, "special %s { ", macro_name);
- p->debug_print();
- fprintf(stderr, " }");
-}