From 6d8d387d78183a69812a1111b555a69f4211d319 Mon Sep 17 00:00:00 2001 From: Kristaps Dzonsons Date: Fri, 22 Jul 2011 10:50:46 +0000 Subject: Add character output (-Tpdf, -Tps, -Tascii) for equations. This is the minimum: unseparated terms. --- Makefile | 7 +++-- eqn_term.c | 88 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ man_term.c | 4 +-- mdoc_term.c | 4 +-- term.h | 3 ++- 5 files changed, 99 insertions(+), 7 deletions(-) create mode 100644 eqn_term.c diff --git a/Makefile b/Makefile index eb9efb82..03d00fdd 100644 --- a/Makefile +++ b/Makefile @@ -50,6 +50,7 @@ SRCS = Makefile \ config.h.pre \ eqn.7 \ eqn.c \ + eqn_term.c \ example.style.css \ external.png \ html.c \ @@ -200,13 +201,15 @@ MANDOC_HTML_LNS = html.ln \ mdoc_html.ln \ tbl_html.ln -MANDOC_TERM_OBJS = man_term.o \ +MANDOC_TERM_OBJS = eqn_term.o \ + man_term.o \ mdoc_term.o \ term.o \ term_ascii.o \ term_ps.o \ tbl_term.o -MANDOC_TERM_LNS = man_term.ln \ +MANDOC_TERM_LNS = eqn_term.ln \ + man_term.ln \ mdoc_term.ln \ term.ln \ term_ascii.ln \ diff --git a/eqn_term.c b/eqn_term.c new file mode 100644 index 00000000..d1e00bf6 --- /dev/null +++ b/eqn_term.c @@ -0,0 +1,88 @@ +/* $Id: eqn_term.c,v 1.1 2011/07/22 10:50:46 kristaps Exp $ */ +/* + * Copyright (c) 2011 Kristaps Dzonsons + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include +#include +#include +#include + +#include "mandoc.h" +#include "out.h" +#include "term.h" + +static void eqn_box(struct termp *p, const struct eqn_box *); +static void eqn_box_post(struct termp *p, const struct eqn_box *); +static void eqn_box_pre(struct termp *p, const struct eqn_box *); +static void eqn_text(struct termp *p, const struct eqn_box *); + +void +term_eqn(struct termp *p, const struct eqn *ep) +{ + + p->flags |= TERMP_NONOSPACE; + eqn_box(p, ep->root); + p->flags &= ~TERMP_NONOSPACE; +} + +static void +eqn_box(struct termp *p, const struct eqn_box *bp) +{ + + eqn_box_pre(p, bp); + eqn_text(p, bp); + + if (bp->first) + eqn_box(p, bp->first); + + eqn_box_post(p, bp); + + if (bp->next) + eqn_box(p, bp->next); +} + +static void +eqn_box_pre(struct termp *p, const struct eqn_box *bp) +{ + + if (EQN_LIST == bp->type) + term_word(p, "{"); + if (bp->left) + term_word(p, bp->left); +} + +static void +eqn_box_post(struct termp *p, const struct eqn_box *bp) +{ + + if (EQN_LIST == bp->type) + term_word(p, "}"); + if (bp->right) + term_word(p, bp->right); + if (bp->above) + term_word(p, "|"); +} + +static void +eqn_text(struct termp *p, const struct eqn_box *bp) +{ + + if (bp->text) + term_word(p, bp->text); +} diff --git a/man_term.c b/man_term.c index cadb0b1c..3851eaeb 100644 --- a/man_term.c +++ b/man_term.c @@ -1,4 +1,4 @@ -/* $Id: man_term.c,v 1.114 2011/07/21 11:34:53 kristaps Exp $ */ +/* $Id: man_term.c,v 1.115 2011/07/22 10:50:46 kristaps Exp $ */ /* * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons * Copyright (c) 2010, 2011 Ingo Schwarze @@ -905,7 +905,7 @@ print_man_node(DECL_ARGS) p->flags |= TERMP_SENTENCE; return; case (MAN_EQN): - /*term_word(p, n->eqn->data);*/ + term_eqn(p, n->eqn); return; case (MAN_TBL): /* diff --git a/mdoc_term.c b/mdoc_term.c index 99fd5b00..0603b721 100644 --- a/mdoc_term.c +++ b/mdoc_term.c @@ -1,4 +1,4 @@ -/* $Id: mdoc_term.c,v 1.232 2011/07/21 11:34:53 kristaps Exp $ */ +/* $Id: mdoc_term.c,v 1.233 2011/07/22 10:50:46 kristaps Exp $ */ /* * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons * Copyright (c) 2010 Ingo Schwarze @@ -351,7 +351,7 @@ print_mdoc_node(DECL_ARGS) p->flags |= TERMP_NOSPACE; break; case (MDOC_EQN): - /*term_word(p, n->eqn->data);*/ + term_eqn(p, n->eqn); break; case (MDOC_TBL): term_tbl(p, n->span); diff --git a/term.h b/term.h index 130024de..16347aa1 100644 --- a/term.h +++ b/term.h @@ -1,4 +1,4 @@ -/* $Id: term.h,v 1.85 2011/05/20 15:48:22 kristaps Exp $ */ +/* $Id: term.h,v 1.86 2011/07/22 10:50:46 kristaps Exp $ */ /* * Copyright (c) 2008, 2009, 2010 Kristaps Dzonsons * @@ -96,6 +96,7 @@ struct termp { struct termp_ps *ps; }; +void term_eqn(struct termp *, const struct eqn *); void term_tbl(struct termp *, const struct tbl_span *); void term_free(struct termp *); void term_newln(struct termp *); -- cgit v1.2.3-56-ge451