-/* $Id: term.c,v 1.4 2009/02/21 15:34:46 kristaps Exp $ */
+/* $Id: term.c,v 1.5 2009/02/21 19:05:28 kristaps Exp $ */
/*
- * Copyright (c) 2008 Kristaps Dzonsons <kristaps@kth.se>
+ * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the
*/
#include <assert.h>
#include <ctype.h>
-#include <curses.h>
#include <err.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
-#include <term.h>
#include <unistd.h>
-#include "private.h"
+#include "term.h"
+#include "private.h" /* XXX */
-enum termesc {
- ESC_CLEAR,
- ESC_BOLD,
- ESC_UNDERLINE
-};
-
-struct termp {
- size_t rmargin;
- size_t maxrmargin;
- size_t maxcols;
- size_t offset;
- size_t col;
- int flags;
-#define TERMP_BOLD (1 << 0) /* Embolden words. */
-#define TERMP_UNDERLINE (1 << 1) /* Underline words. */
-#define TERMP_NOSPACE (1 << 2) /* No space before words. */
-#define TERMP_NOLPAD (1 << 3) /* No left-padding. */
-#define TERMP_NOBREAK (1 << 4) /* No break after line */
- char *buf;
-};
-
-struct termact {
- int (*pre)(struct termp *,
- const struct mdoc_meta *,
- const struct mdoc_node *);
- int (*post)(struct termp *,
- const struct mdoc_meta *,
- const struct mdoc_node *);
+enum termstyle {
+ STYLE_CLEAR,
+ STYLE_BOLD,
+ STYLE_UNDERLINE
};
static void termprint_r(struct termp *,
static void termprint_footer(struct termp *,
const struct mdoc_meta *);
-static int arg_hasattr(int, size_t,
- const struct mdoc_arg *);
-static int arg_getattr(int, size_t,
- const struct mdoc_arg *);
-
-static void newln(struct termp *);
-static void vspace(struct termp *);
static void pword(struct termp *, const char *, size_t);
-static void word(struct termp *, const char *);
-
-#define decl_prepost(name, suffix) \
-static int name##_##suffix(struct termp *, \
- const struct mdoc_meta *, \
- const struct mdoc_node *)
-
-#define decl_pre(name) decl_prepost(name, pre)
-#define decl_post(name) decl_prepost(name, post)
-
-decl_pre(termp_fl);
-decl_pre(termp_it);
-decl_pre(termp_nd);
-decl_pre(termp_ns);
-decl_pre(termp_op);
-decl_pre(termp_pp);
-decl_pre(termp_sh);
-decl_pre(termp_xr);
-
-decl_post(termp_bl);
-decl_post(termp_it);
-decl_post(termp_op);
-decl_post(termp_sh);
-
-decl_pre(termp_bold);
-decl_pre(termp_under);
-
-decl_post(termp_bold);
-decl_post(termp_under);
-
-const struct termact termacts[MDOC_MAX] = {
- { NULL, NULL }, /* \" */
- { NULL, NULL }, /* Dd */
- { NULL, NULL }, /* Dt */
- { NULL, NULL }, /* Os */
- { termp_sh_pre, termp_sh_post }, /* Sh */
- { NULL, NULL }, /* Ss */
- { termp_pp_pre, NULL }, /* Pp */
- { NULL, NULL }, /* D1 */
- { NULL, NULL }, /* Dl */
- { NULL, NULL }, /* Bd */
- { NULL, NULL }, /* Ed */
- { NULL, termp_bl_post }, /* Bl */
- { NULL, NULL }, /* El */
- { termp_it_pre, termp_it_post }, /* It */
- { NULL, NULL }, /* Ad */
- { NULL, NULL }, /* An */
- { termp_under_pre, termp_under_post }, /* Ar */
- { NULL, NULL }, /* Cd */
- { NULL, NULL }, /* Cm */
- { NULL, NULL }, /* Dv */
- { NULL, NULL }, /* Er */
- { NULL, NULL }, /* Ev */
- { NULL, NULL }, /* Ex */
- { NULL, NULL }, /* Fa */
- { NULL, NULL }, /* Fd */
- { termp_fl_pre, termp_bold_post }, /* Fl */
- { NULL, NULL }, /* Fn */
- { NULL, NULL }, /* Ft */
- { NULL, NULL }, /* Ic */
- { NULL, NULL }, /* In */
- { NULL, NULL }, /* Li */
- { termp_nd_pre, NULL }, /* Nd */
- { termp_bold_pre, termp_bold_post }, /* Nm */
- { termp_op_pre, termp_op_post }, /* Op */
- { NULL, NULL }, /* Ot */
- { NULL, NULL }, /* Pa */
- { NULL, NULL }, /* Rv */
- { NULL, NULL }, /* St */
- { NULL, NULL }, /* Va */
- { NULL, NULL }, /* Vt */
- { termp_xr_pre, NULL }, /* Xr */
- { NULL, NULL }, /* %A */
- { NULL, NULL }, /* %B */
- { NULL, NULL }, /* %D */
- { NULL, NULL }, /* %I */
- { NULL, NULL }, /* %J */
- { NULL, NULL }, /* %N */
- { NULL, NULL }, /* %O */
- { NULL, NULL }, /* %P */
- { NULL, NULL }, /* %R */
- { NULL, NULL }, /* %T */
- { NULL, NULL }, /* %V */
- { NULL, NULL }, /* Ac */
- { NULL, NULL }, /* Ao */
- { NULL, NULL }, /* Aq */
- { NULL, NULL }, /* At */
- { NULL, NULL }, /* Bc */
- { NULL, NULL }, /* Bf */
- { NULL, NULL }, /* Bo */
- { NULL, NULL }, /* Bq */
- { NULL, NULL }, /* Bsx */
- { NULL, NULL }, /* Bx */
- { NULL, NULL }, /* Db */
- { NULL, NULL }, /* Dc */
- { NULL, NULL }, /* Do */
- { NULL, NULL }, /* Dq */
- { NULL, NULL }, /* Ec */
- { NULL, NULL }, /* Ef */
- { NULL, NULL }, /* Em */
- { NULL, NULL }, /* Eo */
- { NULL, NULL }, /* Fx */
- { NULL, NULL }, /* Ms */
- { NULL, NULL }, /* No */
- { termp_ns_pre, NULL }, /* Ns */
- { NULL, NULL }, /* Nx */
- { NULL, NULL }, /* Ox */
- { NULL, NULL }, /* Pc */
- { NULL, NULL }, /* Pf */
- { NULL, NULL }, /* Po */
- { NULL, NULL }, /* Pq */
- { NULL, NULL }, /* Qc */
- { NULL, NULL }, /* Ql */
- { NULL, NULL }, /* Qo */
- { NULL, NULL }, /* Qq */
- { NULL, NULL }, /* Re */
- { NULL, NULL }, /* Rs */
- { NULL, NULL }, /* Sc */
- { NULL, NULL }, /* So */
- { NULL, NULL }, /* Sq */
- { NULL, NULL }, /* Sm */
- { NULL, NULL }, /* Sx */
- { NULL, NULL }, /* Sy */
- { NULL, NULL }, /* Tn */
- { NULL, NULL }, /* Ux */
- { NULL, NULL }, /* Xc */
- { NULL, NULL }, /* Xo */
- { NULL, NULL }, /* Fo */
- { NULL, NULL }, /* Fc */
- { NULL, NULL }, /* Oo */
- { NULL, NULL }, /* Oc */
- { NULL, NULL }, /* Bk */
- { NULL, NULL }, /* Ek */
- { NULL, NULL }, /* Bt */
- { NULL, NULL }, /* Hf */
- { NULL, NULL }, /* Fr */
- { NULL, NULL }, /* Ud */
-};
+static void chara(struct termp *, char);
+static void escape(struct termp *, enum termstyle);
-static int
-arg_hasattr(int arg, size_t argc, const struct mdoc_arg *argv)
-{
-
- return(-1 != arg_getattr(arg, argc, argv));
-}
-
-
-static int
-arg_getattr(int arg, size_t argc, const struct mdoc_arg *argv)
-{
- int i;
-
- for (i = 0; i < (int)argc; i++)
- if (argv[i].arg == arg)
- return(i);
- return(-1);
-}
-
-
-static void
+void
flushln(struct termp *p)
{
size_t i, j, vsz, vis, maxvis;
}
-static void
+void
newln(struct termp *p)
{
}
-static void
+void
vspace(struct termp *p)
{
static void
-escape(struct termp *p, enum termesc esc)
+escape(struct termp *p, enum termstyle esc)
{
if (p->col + 4 >= p->maxcols)
p->buf[(p->col)++] = 27;
p->buf[(p->col)++] = '[';
switch (esc) {
- case (ESC_CLEAR):
+ case (STYLE_CLEAR):
p->buf[(p->col)++] = '0';
break;
- case (ESC_BOLD):
+ case (STYLE_BOLD):
p->buf[(p->col)++] = '1';
break;
- case (ESC_UNDERLINE):
+ case (STYLE_UNDERLINE):
p->buf[(p->col)++] = '4';
break;
default:
p->flags &= ~TERMP_NOSPACE;
if (p->flags & TERMP_BOLD)
- escape(p, ESC_BOLD);
+ escape(p, STYLE_BOLD);
if (p->flags & TERMP_UNDERLINE)
- escape(p, ESC_UNDERLINE);
+ escape(p, STYLE_UNDERLINE);
/* TODO: escape patterns. */
if (p->flags & TERMP_BOLD ||
p->flags & TERMP_UNDERLINE)
- escape(p, ESC_CLEAR);
+ escape(p, STYLE_CLEAR);
}
-static void
+void
word(struct termp *p, const char *word)
{
size_t i, j, len;
}
-/* ARGSUSED */
-static int
-termp_it_post(struct termp *p, const struct mdoc_meta *meta,
- const struct mdoc_node *node)
-{
- const struct mdoc_node *n, *it;
- const struct mdoc_block *bl;
- int i;
- size_t width;
-
- switch (node->type) {
- case (MDOC_BODY):
- /* FALLTHROUGH */
- case (MDOC_HEAD):
- break;
- default:
- return(1);
- }
-
- it = node->parent;
- assert(MDOC_BLOCK == it->type);
- assert(MDOC_It == it->tok);
-
- n = it->parent;
- assert(MDOC_BODY == n->type);
- assert(MDOC_Bl == n->tok);
- n = n->parent;
- bl = &n->data.block;
-
- /* If `-tag', adjust our margins accordingly. */
-
- if (arg_hasattr(MDOC_Tag, bl->argc, bl->argv)) {
- i = arg_getattr(MDOC_Width, bl->argc, bl->argv);
- assert(i >= 0);
- assert(1 == bl->argv[i].sz);
- width = strlen(*bl->argv[i].value); /* XXX */
-
- if (MDOC_HEAD == node->type) {
- flushln(p);
- /* FIXME: nested lists. */
- p->rmargin = p->maxrmargin;
- p->flags &= ~TERMP_NOBREAK;
- } else {
- flushln(p);
- p->offset -= width + 1;
- p->flags &= ~TERMP_NOLPAD;
- }
- }
-
- return(1);
-}
-
-
-/* ARGSUSED */
-static int
-termp_it_pre(struct termp *p, const struct mdoc_meta *meta,
- const struct mdoc_node *node)
-{
- const struct mdoc_node *n, *it;
- const struct mdoc_block *bl;
- int i;
- size_t width;
-
- switch (node->type) {
- case (MDOC_BODY):
- /* FALLTHROUGH */
- case (MDOC_HEAD):
- it = node->parent;
- break;
- case (MDOC_BLOCK):
- it = node;
- break;
- default:
- return(1);
- }
-
- assert(MDOC_BLOCK == it->type);
- assert(MDOC_It == it->tok);
-
- n = it->parent;
- assert(MDOC_BODY == n->type);
- assert(MDOC_Bl == n->tok);
- n = n->parent;
- bl = &n->data.block;
-
- /* If `-compact', don't assert vertical space. */
-
- if (MDOC_BLOCK == node->type) {
- if (arg_hasattr(MDOC_Compact, bl->argc, bl->argv))
- newln(p);
- else
- vspace(p);
- return(1);
- }
-
- assert(MDOC_HEAD == node->type
- || MDOC_BODY == node->type);
-
- /* If `-tag', adjust our margins accordingly. */
-
- if (arg_hasattr(MDOC_Tag, bl->argc, bl->argv)) {
- i = arg_getattr(MDOC_Width, bl->argc, bl->argv);
- assert(i >= 0); /* XXX */
- assert(1 == bl->argv[i].sz);
- width = strlen(*bl->argv[i].value); /* XXX */
-
- /* FIXME: nested lists. */
-
- if (MDOC_HEAD == node->type) {
- p->flags |= TERMP_NOBREAK;
- p->flags |= TERMP_NOSPACE;
- p->rmargin = p->offset + width;
- } else {
- p->flags |= TERMP_NOSPACE;
- p->flags |= TERMP_NOLPAD;
- p->offset += width + 1;
- }
- }
-
- return(1);
-}
-
-
-/* ARGSUSED */
-static int
-termp_bold_post(struct termp *p, const struct mdoc_meta *meta,
- const struct mdoc_node *node)
-{
-
- p->flags &= ~TERMP_BOLD;
- return(1);
-}
-
-
-/* ARGSUSED */
-static int
-termp_under_pre(struct termp *p, const struct mdoc_meta *meta,
- const struct mdoc_node *node)
-{
-
- p->flags |= TERMP_UNDERLINE;
- return(1);
-}
-
-
-/* ARGSUSED */
-static int
-termp_bold_pre(struct termp *p, const struct mdoc_meta *meta,
- const struct mdoc_node *node)
-{
-
- p->flags |= TERMP_BOLD;
- return(1);
-}
-
-
-/* ARGSUSED */
-static int
-termp_ns_pre(struct termp *p, const struct mdoc_meta *meta,
- const struct mdoc_node *node)
-{
-
- p->flags |= TERMP_NOSPACE;
- return(1);
-}
-
-
-/* ARGSUSED */
-static int
-termp_pp_pre(struct termp *p, const struct mdoc_meta *meta,
- const struct mdoc_node *node)
-{
-
- vspace(p);
- return(1);
-}
-
-
-/* ARGSUSED */
-static int
-termp_under_post(struct termp *p, const struct mdoc_meta *meta,
- const struct mdoc_node *node)
-{
-
- p->flags &= ~TERMP_UNDERLINE;
- return(1);
-}
-
-
-/* ARGSUSED */
-static int
-termp_nd_pre(struct termp *p, const struct mdoc_meta *meta,
- const struct mdoc_node *node)
-{
-
- word(p, "-");
- return(1);
-}
-
-
-/* ARGSUSED */
-static int
-termp_bl_post(struct termp *p, const struct mdoc_meta *meta,
- const struct mdoc_node *node)
-{
-
- switch (node->type) {
- case (MDOC_BLOCK):
- newln(p);
- break;
- default:
- break;
- }
- return(1);
-}
-
-
-/* ARGSUSED */
-static int
-termp_op_post(struct termp *p, const struct mdoc_meta *meta,
- const struct mdoc_node *node)
-{
-
- switch (node->type) {
- case (MDOC_BODY):
- p->flags |= TERMP_NOSPACE;
- word(p, "\\]");
- break;
- default:
- break;
- }
- return(1);
-}
-
-
-/* ARGSUSED */
-static int
-termp_sh_post(struct termp *p, const struct mdoc_meta *meta,
- const struct mdoc_node *node)
-{
-
- switch (node->type) {
- case (MDOC_HEAD):
- p->flags &= ~TERMP_BOLD;
- newln(p);
- break;
- case (MDOC_BODY):
- newln(p);
- p->offset -= 4;
- break;
- default:
- break;
- }
- return(1);
-}
-
-
-/* ARGSUSED */
-static int
-termp_xr_pre(struct termp *p, const struct mdoc_meta *meta,
- const struct mdoc_node *node)
-{
- const struct mdoc_node *n;
-
- n = node->child;
- assert(n);
-
- assert(MDOC_TEXT == n->type);
- word(p, n->data.text.string);
-
- if (NULL == (n = n->next))
- return(0);
-
- assert(MDOC_TEXT == n->type);
- p->flags |= TERMP_NOSPACE;
- word(p, "\\(");
- p->flags |= TERMP_NOSPACE;
- word(p, n->data.text.string);
- p->flags |= TERMP_NOSPACE;
- word(p, "\\)");
-
- return(0);
-}
-
-
-/* ARGSUSED */
-static int
-termp_sh_pre(struct termp *p, const struct mdoc_meta *meta,
- const struct mdoc_node *node)
-{
-
- switch (node->type) {
- case (MDOC_HEAD):
- vspace(p);
- p->flags |= TERMP_BOLD;
- break;
- case (MDOC_BODY):
- p->offset += 4;
- break;
- default:
- break;
- }
- return(1);
-}
-
-
-/* ARGSUSED */
-static int
-termp_op_pre(struct termp *p, const struct mdoc_meta *meta,
- const struct mdoc_node *node)
-{
-
- switch (node->type) {
- case (MDOC_BODY):
- word(p, "\\[");
- p->flags |= TERMP_NOSPACE;
- break;
- default:
- break;
- }
- return(1);
-}
-
-
-/* ARGSUSED */
-static int
-termp_fl_pre(struct termp *p, const struct mdoc_meta *meta,
- const struct mdoc_node *node)
-{
-
- p->flags |= TERMP_BOLD;
- word(p, "-");
- p->flags |= TERMP_NOSPACE;
- return(1);
-}
-
-
static void
termprint_r(struct termp *p, const struct mdoc_meta *meta,
const struct mdoc_node *node)
{
int dochild;
- /* Pre-processing ----------------- */
+ /* Pre-processing. */
dochild = 1;
} else /* MDOC_TEXT == node->type */
word(p, node->data.text.string);
- /* Children ---------------------- */
+ /* Children. */
- if (dochild && NULL == node->child) {
- /* No-child processing. */
- switch (node->type) {
- case (MDOC_ELEM):
- switch (node->tok) {
- case (MDOC_Nm):
- word(p, "progname"); /* TODO */
- break;
- case (MDOC_Ar):
- word(p, "...");
- break;
- default:
- break;
- }
- break;
- default:
- break;
- }
- } else if (dochild)
+ if (dochild && node->child)
termprint_r(p, meta, node->child);
- /* Post-processing --------------- */
+ /* Post-processing. */
if (MDOC_TEXT != node->type) {
if (termacts[node->tok].post)
return;
}
- /* Siblings ---------------------- */
+ /* Siblings. */
if (node->next)
termprint_r(p, meta, node->next);
{
struct termp p;
- if (ERR == setupterm(NULL, STDOUT_FILENO, NULL))
- return(0);
-
- p.maxrmargin = columns < 60 ? 60 : (size_t)columns;
+ p.maxrmargin = 80; /* XXX */
p.rmargin = p.maxrmargin;
p.maxcols = 1024;
p.offset = p.col = 0;
--- /dev/null
+/* $Id: termact.c,v 1.1 2009/02/21 19:05:28 kristaps Exp $ */
+/*
+ * Copyright (c) 2009 Kristaps Dzonsons <kristaps@kth.se>
+ *
+ * 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.
+ */
+#include <assert.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "term.h"
+
+#define TTYPE_PROG 0
+#define TTYPE_CMD_FLAG 1
+#define TTYPE_CMD_ARG 2
+#define TTYPE_SECTION 3
+#define TTYPE_NMAX 4
+
+/*
+ * These define "styles" for element types, like command arguments or
+ * executable names. This is useful when multiple macros must decorate
+ * the same thing (like .Ex -std cmd and .Nm cmd).
+ */
+
+const int ttypes[TTYPE_NMAX] = {
+ TERMP_BOLD, /* TTYPE_PROG */
+ TERMP_BOLD, /* TTYPE_CMD_FLAG */
+ TERMP_UNDERLINE, /* TTYPE_CMD_ARG */
+ TERMP_BOLD /* TTYPE_SECTION */
+};
+
+static int arg_hasattr(int, size_t,
+ const struct mdoc_arg *);
+static int arg_getattr(int, size_t,
+ const struct mdoc_arg *);
+
+/*
+ * What follows describes prefix and postfix operations for the abstract
+ * syntax tree descent.
+ */
+
+#define DECL_ARGS \
+ struct termp *p, \
+ const struct mdoc_meta *meta, \
+ const struct mdoc_node *node
+
+#define DECL_PREPOST(name, suffix) \
+static int name##_##suffix(DECL_ARGS)
+
+#define DECL_PRE(name) DECL_PREPOST(name, pre)
+#define DECL_POST(name) DECL_PREPOST(name, post)
+
+DECL_PRE(termp_aq);
+DECL_PRE(termp_ar);
+DECL_PRE(termp_d1);
+DECL_PRE(termp_dq);
+DECL_PRE(termp_ex);
+DECL_PRE(termp_fl);
+DECL_PRE(termp_it);
+DECL_PRE(termp_nd);
+DECL_PRE(termp_nm);
+DECL_PRE(termp_ns);
+DECL_PRE(termp_op);
+DECL_PRE(termp_pp);
+DECL_PRE(termp_sh);
+DECL_PRE(termp_ud);
+DECL_PRE(termp_xr);
+
+DECL_POST(termp_aq);
+DECL_POST(termp_ar);
+DECL_POST(termp_bl);
+DECL_POST(termp_d1);
+DECL_POST(termp_dq);
+DECL_POST(termp_fl);
+DECL_POST(termp_it);
+DECL_POST(termp_nm);
+DECL_POST(termp_op);
+DECL_POST(termp_sh);
+
+const struct termact __termacts[MDOC_MAX] = {
+ { NULL, NULL }, /* \" */
+ { NULL, NULL }, /* Dd */
+ { NULL, NULL }, /* Dt */
+ { NULL, NULL }, /* Os */
+ { termp_sh_pre, termp_sh_post }, /* Sh */
+ { NULL, NULL }, /* Ss */
+ { termp_pp_pre, NULL }, /* Pp */
+ { termp_d1_pre, termp_d1_post }, /* D1 */
+ { NULL, NULL }, /* Dl */
+ { NULL, NULL }, /* Bd */
+ { NULL, NULL }, /* Ed */
+ { NULL, termp_bl_post }, /* Bl */
+ { NULL, NULL }, /* El */
+ { termp_it_pre, termp_it_post }, /* It */
+ { NULL, NULL }, /* Ad */
+ { NULL, NULL }, /* An */
+ { termp_ar_pre, termp_ar_post }, /* Ar */
+ { NULL, NULL }, /* Cd */
+ { NULL, NULL }, /* Cm */
+ { NULL, NULL }, /* Dv */
+ { NULL, NULL }, /* Er */
+ { NULL, NULL }, /* Ev */
+ { termp_ex_pre, NULL }, /* Ex */
+ { NULL, NULL }, /* Fa */
+ { NULL, NULL }, /* Fd */
+ { termp_fl_pre, termp_fl_post }, /* Fl */
+ { NULL, NULL }, /* Fn */
+ { NULL, NULL }, /* Ft */
+ { NULL, NULL }, /* Ic */
+ { NULL, NULL }, /* In */
+ { NULL, NULL }, /* Li */
+ { termp_nd_pre, NULL }, /* Nd */
+ { termp_nm_pre, termp_nm_post }, /* Nm */
+ { termp_op_pre, termp_op_post }, /* Op */
+ { NULL, NULL }, /* Ot */
+ { NULL, NULL }, /* Pa */
+ { NULL, NULL }, /* Rv */
+ { NULL, NULL }, /* St */
+ { NULL, NULL }, /* Va */
+ { NULL, NULL }, /* Vt */
+ { termp_xr_pre, NULL }, /* Xr */
+ { NULL, NULL }, /* %A */
+ { NULL, NULL }, /* %B */
+ { NULL, NULL }, /* %D */
+ { NULL, NULL }, /* %I */
+ { NULL, NULL }, /* %J */
+ { NULL, NULL }, /* %N */
+ { NULL, NULL }, /* %O */
+ { NULL, NULL }, /* %P */
+ { NULL, NULL }, /* %R */
+ { NULL, NULL }, /* %T */
+ { NULL, NULL }, /* %V */
+ { NULL, NULL }, /* Ac */
+ { NULL, NULL }, /* Ao */
+ { termp_aq_pre, termp_aq_post }, /* Aq */
+ { NULL, NULL }, /* At */
+ { NULL, NULL }, /* Bc */
+ { NULL, NULL }, /* Bf */
+ { NULL, NULL }, /* Bo */
+ { NULL, NULL }, /* Bq */
+ { NULL, NULL }, /* Bsx */
+ { NULL, NULL }, /* Bx */
+ { NULL, NULL }, /* Db */
+ { NULL, NULL }, /* Dc */
+ { NULL, NULL }, /* Do */
+ { termp_dq_pre, termp_dq_post }, /* Dq */
+ { NULL, NULL }, /* Ec */
+ { NULL, NULL }, /* Ef */
+ { NULL, NULL }, /* Em */
+ { NULL, NULL }, /* Eo */
+ { NULL, NULL }, /* Fx */
+ { NULL, NULL }, /* Ms */
+ { NULL, NULL }, /* No */
+ { termp_ns_pre, NULL }, /* Ns */
+ { NULL, NULL }, /* Nx */
+ { NULL, NULL }, /* Ox */
+ { NULL, NULL }, /* Pc */
+ { NULL, NULL }, /* Pf */
+ { NULL, NULL }, /* Po */
+ { NULL, NULL }, /* Pq */
+ { NULL, NULL }, /* Qc */
+ { NULL, NULL }, /* Ql */
+ { NULL, NULL }, /* Qo */
+ { NULL, NULL }, /* Qq */
+ { NULL, NULL }, /* Re */
+ { NULL, NULL }, /* Rs */
+ { NULL, NULL }, /* Sc */
+ { NULL, NULL }, /* So */
+ { NULL, NULL }, /* Sq */
+ { NULL, NULL }, /* Sm */
+ { NULL, NULL }, /* Sx */
+ { NULL, NULL }, /* Sy */
+ { NULL, NULL }, /* Tn */
+ { NULL, NULL }, /* Ux */
+ { NULL, NULL }, /* Xc */
+ { NULL, NULL }, /* Xo */
+ { NULL, NULL }, /* Fo */
+ { NULL, NULL }, /* Fc */
+ { NULL, NULL }, /* Oo */
+ { NULL, NULL }, /* Oc */
+ { NULL, NULL }, /* Bk */
+ { NULL, NULL }, /* Ek */
+ { NULL, NULL }, /* Bt */
+ { NULL, NULL }, /* Hf */
+ { NULL, NULL }, /* Fr */
+ { termp_ud_pre, NULL }, /* Ud */
+};
+
+const struct termact *termacts = __termacts;
+
+
+/* ARGSUSED */
+static int
+termp_dq_pre(DECL_ARGS)
+{
+
+ if (MDOC_BODY != node->type)
+ return(1);
+
+ word(p, "``");
+ p->flags |= TERMP_NOSPACE;
+ return(1);
+}
+
+
+/* ARGSUSED */
+static int
+termp_dq_post(DECL_ARGS)
+{
+
+ if (MDOC_BODY != node->type)
+ return(1);
+
+ p->flags |= TERMP_NOSPACE;
+ word(p, "''");
+ return(1);
+}
+
+
+/* ARGSUSED */
+static int
+termp_it_post(DECL_ARGS)
+{
+ const struct mdoc_node *n, *it;
+ const struct mdoc_block *bl;
+ int i;
+ size_t width;
+
+ /*
+ * This (and termp_it_pre()) are the most complicated functions
+ * here. They must account for a considerable number of
+ * switches that completely change the output behaviour, like
+ * -tag versus -column. Yech.
+ */
+
+ switch (node->type) {
+ case (MDOC_BODY):
+ /* FALLTHROUGH */
+ case (MDOC_HEAD):
+ break;
+ default:
+ return(1);
+ }
+
+ it = node->parent;
+ assert(MDOC_BLOCK == it->type);
+ assert(MDOC_It == it->tok);
+
+ n = it->parent;
+ assert(MDOC_BODY == n->type);
+ assert(MDOC_Bl == n->tok);
+ n = n->parent;
+ bl = &n->data.block;
+
+ /* If `-tag', adjust our margins accordingly. */
+
+ if (arg_hasattr(MDOC_Tag, bl->argc, bl->argv)) {
+ i = arg_getattr(MDOC_Width, bl->argc, bl->argv);
+ assert(i >= 0);
+ assert(1 == bl->argv[i].sz);
+ width = strlen(*bl->argv[i].value); /* XXX */
+
+ if (MDOC_HEAD == node->type) {
+ flushln(p);
+ /* FIXME: nested lists. */
+ p->rmargin = p->maxrmargin;
+ p->flags &= ~TERMP_NOBREAK;
+ } else {
+ flushln(p);
+ p->offset -= width + 1;
+ p->flags &= ~TERMP_NOLPAD;
+ }
+ }
+
+ return(1);
+}
+
+
+/* ARGSUSED */
+static int
+termp_it_pre(DECL_ARGS)
+{
+ const struct mdoc_node *n, *it;
+ const struct mdoc_block *bl;
+ int i;
+ size_t width;
+
+ /*
+ * Also see termp_it_post() for general comments.
+ */
+
+ switch (node->type) {
+ case (MDOC_BODY):
+ /* FALLTHROUGH */
+ case (MDOC_HEAD):
+ it = node->parent;
+ break;
+ case (MDOC_BLOCK):
+ it = node;
+ break;
+ default:
+ return(1);
+ }
+
+ assert(MDOC_BLOCK == it->type);
+ assert(MDOC_It == it->tok);
+
+ n = it->parent;
+ assert(MDOC_BODY == n->type);
+ assert(MDOC_Bl == n->tok);
+ n = n->parent;
+ bl = &n->data.block;
+
+ /* If `-compact', don't assert vertical space. */
+
+ if (MDOC_BLOCK == node->type) {
+ if (arg_hasattr(MDOC_Compact, bl->argc, bl->argv))
+ newln(p);
+ else
+ vspace(p);
+ return(1);
+ }
+
+ assert(MDOC_HEAD == node->type
+ || MDOC_BODY == node->type);
+
+ /* If `-tag', adjust our margins accordingly. */
+
+ if (arg_hasattr(MDOC_Tag, bl->argc, bl->argv)) {
+ i = arg_getattr(MDOC_Width, bl->argc, bl->argv);
+ assert(i >= 0); /* XXX */
+ assert(1 == bl->argv[i].sz);
+ width = strlen(*bl->argv[i].value); /* XXX */
+
+ /* FIXME: nested lists. */
+
+ if (MDOC_HEAD == node->type) {
+ p->flags |= TERMP_NOBREAK;
+ p->flags |= TERMP_NOSPACE;
+ p->rmargin = p->offset + width;
+ } else {
+ p->flags |= TERMP_NOSPACE;
+ p->flags |= TERMP_NOLPAD;
+ p->offset += width + 1;
+ }
+ }
+
+ return(1);
+}
+
+
+/* ARGSUSED */
+static int
+termp_nm_post(DECL_ARGS)
+{
+
+ p->flags &= ~ttypes[TTYPE_PROG];
+ return(1);
+}
+
+
+/* ARGSUSED */
+static int
+termp_fl_post(DECL_ARGS)
+{
+
+ p->flags &= ~ttypes[TTYPE_CMD_FLAG];
+ return(1);
+}
+
+
+/* ARGSUSED */
+static int
+termp_ar_pre(DECL_ARGS)
+{
+
+ p->flags |= ttypes[TTYPE_CMD_ARG];
+ if (NULL == node->child)
+ word(p, "...");
+ return(1);
+}
+
+
+/* ARGSUSED */
+static int
+termp_nm_pre(DECL_ARGS)
+{
+
+ p->flags |= ttypes[TTYPE_PROG];
+ if (NULL == node->child)
+ word(p, meta->name);
+ return(1);
+}
+
+
+/* ARGSUSED */
+static int
+termp_ns_pre(DECL_ARGS)
+{
+
+ p->flags |= TERMP_NOSPACE;
+ return(1);
+}
+
+
+/* ARGSUSED */
+static int
+termp_pp_pre(DECL_ARGS)
+{
+
+ vspace(p);
+ return(1);
+}
+
+
+/* ARGSUSED */
+static int
+termp_ar_post(DECL_ARGS)
+{
+
+ p->flags &= ~ttypes[TTYPE_CMD_ARG];
+ return(1);
+}
+
+
+/* ARGSUSED */
+static int
+termp_ex_pre(DECL_ARGS)
+{
+ int i;
+
+ i = arg_getattr(MDOC_Std, node->data.elem.argc,
+ node->data.elem.argv);
+ assert(i >= 0);
+
+ word(p, "The");
+ p->flags |= ttypes[TTYPE_PROG];
+ word(p, *node->data.elem.argv[i].value);
+ p->flags &= ~ttypes[TTYPE_PROG];
+ word(p, "utility exits 0 on success, and >0 if an error occurs.");
+
+ return(1);
+}
+
+
+/* ARGSUSED */
+static int
+termp_nd_pre(DECL_ARGS)
+{
+
+ word(p, "\\-");
+ return(1);
+}
+
+
+/* ARGSUSED */
+static int
+termp_bl_post(DECL_ARGS)
+{
+
+ switch (node->type) {
+ case (MDOC_BLOCK):
+ newln(p);
+ break;
+ default:
+ break;
+ }
+ return(1);
+}
+
+
+/* ARGSUSED */
+static int
+termp_op_post(DECL_ARGS)
+{
+
+ switch (node->type) {
+ case (MDOC_BODY):
+ p->flags |= TERMP_NOSPACE;
+ word(p, "\\]");
+ break;
+ default:
+ break;
+ }
+ return(1);
+}
+
+
+/* ARGSUSED */
+static int
+termp_sh_post(DECL_ARGS)
+{
+
+ switch (node->type) {
+ case (MDOC_HEAD):
+ p->flags &= ~ttypes[TTYPE_SECTION];
+ newln(p);
+ break;
+ case (MDOC_BODY):
+ newln(p);
+ p->offset -= 4;
+ break;
+ default:
+ break;
+ }
+ return(1);
+}
+
+
+/* ARGSUSED */
+static int
+termp_xr_pre(DECL_ARGS)
+{
+ const struct mdoc_node *n;
+
+ n = node->child;
+ assert(n);
+
+ assert(MDOC_TEXT == n->type);
+ word(p, n->data.text.string);
+
+ if (NULL == (n = n->next))
+ return(0);
+
+ assert(MDOC_TEXT == n->type);
+ p->flags |= TERMP_NOSPACE;
+ word(p, "\\(");
+ p->flags |= TERMP_NOSPACE;
+ word(p, n->data.text.string);
+ p->flags |= TERMP_NOSPACE;
+ word(p, "\\)");
+
+ return(0);
+}
+
+
+/* ARGSUSED */
+static int
+termp_sh_pre(DECL_ARGS)
+{
+
+ switch (node->type) {
+ case (MDOC_HEAD):
+ vspace(p);
+ p->flags |= ttypes[TTYPE_SECTION];
+ break;
+ case (MDOC_BODY):
+ p->offset += 4;
+ break;
+ default:
+ break;
+ }
+ return(1);
+}
+
+
+/* ARGSUSED */
+static int
+termp_op_pre(DECL_ARGS)
+{
+
+ switch (node->type) {
+ case (MDOC_BODY):
+ word(p, "\\[");
+ p->flags |= TERMP_NOSPACE;
+ break;
+ default:
+ break;
+ }
+ return(1);
+}
+
+
+/* ARGSUSED */
+static int
+termp_ud_pre(DECL_ARGS)
+{
+
+ word(p, "currently under development.");
+ return(1);
+}
+
+
+/* ARGSUSED */
+static int
+termp_fl_pre(DECL_ARGS)
+{
+
+ p->flags |= ttypes[TTYPE_CMD_FLAG];
+ word(p, "\\-");
+ p->flags |= TERMP_NOSPACE;
+ return(1);
+}
+
+
+/* ARGSUSED */
+static int
+termp_d1_pre(DECL_ARGS)
+{
+
+ if (MDOC_BODY != node->type)
+ return(1);
+ newln(p);
+ p->offset += 4;
+ return(1);
+}
+
+
+/* ARGSUSED */
+static int
+termp_d1_post(DECL_ARGS)
+{
+
+ if (MDOC_BODY != node->type)
+ return(1);
+ newln(p);
+ p->offset -= 4;
+ return(1);
+}
+
+
+/* ARGSUSED */
+static int
+termp_aq_pre(DECL_ARGS)
+{
+
+ if (MDOC_BODY != node->type)
+ return(1);
+ word(p, "\\<");
+ p->flags |= TERMP_NOSPACE;
+ return(1);
+}
+
+
+/* ARGSUSED */
+static int
+termp_aq_post(DECL_ARGS)
+{
+
+ if (MDOC_BODY != node->type)
+ return(1);
+ p->flags |= TERMP_NOSPACE;
+ word(p, "\\>");
+ return(1);
+}
+
+
+static int
+arg_hasattr(int arg, size_t argc, const struct mdoc_arg *argv)
+{
+
+ return(-1 != arg_getattr(arg, argc, argv));
+}
+
+
+static int
+arg_getattr(int arg, size_t argc, const struct mdoc_arg *argv)
+{
+ int i;
+
+ for (i = 0; i < (int)argc; i++)
+ if (argv[i].arg == arg)
+ return(i);
+ return(-1);
+}
+
git.ckatri.com / mandoc.git / commitdiff