-/* $Id: man_term.c,v 1.67 2010/05/15 20:51:40 kristaps Exp $ */
+/* $Id: man_term.c,v 1.163 2014/12/23 13:48:57 schwarze Exp $ */
/*
- * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se>
+ * Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
+ * Copyright (c) 2010-2014 Ingo Schwarze <schwarze@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* 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 <sys/types.h>
#include <stdlib.h>
#include <string.h>
+#include "mandoc.h"
+#include "mandoc_aux.h"
#include "out.h"
#include "man.h"
#include "term.h"
-#include "chars.h"
#include "main.h"
-#define INDENT 7
-#define HALFINDENT 3
-
-/* FIXME: have PD set the default vspace width. */
+#define MAXMARGINS 64 /* maximum number of indented scopes */
struct mtermp {
int fl;
#define MANT_LITERAL (1 << 0)
- /*
- * Default amount to indent the left margin after leading text
- * has been printed (e.g., `HP' left-indent, `TP' and `IP' body
- * indent). This needs to be saved because `HP' and so on, if
- * not having a specified value, must default.
- *
- * Note that this is the indentation AFTER the left offset, so
- * the total offset is usually offset + lmargin.
- */
- size_t lmargin;
- /*
- * The default offset, i.e., the amount between any text and the
- * page boundary.
- */
- size_t offset;
+ int lmargin[MAXMARGINS]; /* margins (incl. vis. page) */
+ int lmargincur; /* index of current margin */
+ int lmarginsz; /* actual number of nested margins */
+ size_t offset; /* default offset to visible page */
+ int pardist; /* vert. space before par., unit: [v] */
};
-#define DECL_ARGS struct termp *p, \
+#define DECL_ARGS struct termp *p, \
struct mtermp *mt, \
const struct man_node *n, \
- const struct man_meta *m
+ const struct man_meta *meta
struct termact {
int (*pre)(DECL_ARGS);
#define MAN_NOTEXT (1 << 0) /* Never has text children. */
};
-static int a2width(const struct man_node *);
-static int a2height(const struct man_node *);
-
-static void print_man_head(struct termp *,
- const struct man_meta *);
static void print_man_nodelist(DECL_ARGS);
static void print_man_node(DECL_ARGS);
-static void print_man_foot(struct termp *,
- const struct man_meta *);
-static void print_bvspace(struct termp *,
- const struct man_node *);
+static void print_man_head(struct termp *, const void *);
+static void print_man_foot(struct termp *, const void *);
+static void print_bvspace(struct termp *,
+ const struct man_node *, int);
static int pre_B(DECL_ARGS);
-static int pre_BI(DECL_ARGS);
static int pre_HP(DECL_ARGS);
static int pre_I(DECL_ARGS);
static int pre_IP(DECL_ARGS);
+static int pre_OP(DECL_ARGS);
+static int pre_PD(DECL_ARGS);
static int pre_PP(DECL_ARGS);
-static int pre_RB(DECL_ARGS);
-static int pre_RI(DECL_ARGS);
static int pre_RS(DECL_ARGS);
static int pre_SH(DECL_ARGS);
static int pre_SS(DECL_ARGS);
static int pre_TP(DECL_ARGS);
-static int pre_br(DECL_ARGS);
-static int pre_fi(DECL_ARGS);
+static int pre_UR(DECL_ARGS);
+static int pre_alternate(DECL_ARGS);
+static int pre_ft(DECL_ARGS);
static int pre_ign(DECL_ARGS);
-static int pre_nf(DECL_ARGS);
+static int pre_in(DECL_ARGS);
+static int pre_literal(DECL_ARGS);
+static int pre_ll(DECL_ARGS);
static int pre_sp(DECL_ARGS);
static void post_IP(DECL_ARGS);
static void post_SH(DECL_ARGS);
static void post_SS(DECL_ARGS);
static void post_TP(DECL_ARGS);
+static void post_UR(DECL_ARGS);
static const struct termact termacts[MAN_MAX] = {
- { pre_br, NULL, MAN_NOTEXT }, /* br */
+ { pre_sp, NULL, MAN_NOTEXT }, /* br */
{ NULL, NULL, 0 }, /* TH */
{ pre_SH, post_SH, 0 }, /* SH */
{ pre_SS, post_SS, 0 }, /* SS */
{ pre_PP, NULL, 0 }, /* PP */
{ pre_PP, NULL, 0 }, /* P */
{ pre_IP, post_IP, 0 }, /* IP */
- { pre_HP, post_HP, 0 }, /* HP */
+ { pre_HP, post_HP, 0 }, /* HP */
{ NULL, NULL, 0 }, /* SM */
{ pre_B, NULL, 0 }, /* SB */
- { pre_BI, NULL, 0 }, /* BI */
- { pre_BI, NULL, 0 }, /* IB */
- { pre_RB, NULL, 0 }, /* BR */
- { pre_RB, NULL, 0 }, /* RB */
+ { pre_alternate, NULL, 0 }, /* BI */
+ { pre_alternate, NULL, 0 }, /* IB */
+ { pre_alternate, NULL, 0 }, /* BR */
+ { pre_alternate, NULL, 0 }, /* RB */
{ NULL, NULL, 0 }, /* R */
{ pre_B, NULL, 0 }, /* B */
{ pre_I, NULL, 0 }, /* I */
- { pre_RI, NULL, 0 }, /* IR */
- { pre_RI, NULL, 0 }, /* RI */
- { NULL, NULL, MAN_NOTEXT }, /* na */
- { pre_I, NULL, 0 }, /* i */
+ { pre_alternate, NULL, 0 }, /* IR */
+ { pre_alternate, NULL, 0 }, /* RI */
+ { pre_ign, NULL, MAN_NOTEXT }, /* na */
{ pre_sp, NULL, MAN_NOTEXT }, /* sp */
- { pre_nf, NULL, 0 }, /* nf */
- { pre_fi, NULL, 0 }, /* fi */
- { NULL, NULL, 0 }, /* r */
+ { pre_literal, NULL, 0 }, /* nf */
+ { pre_literal, NULL, 0 }, /* fi */
{ NULL, NULL, 0 }, /* RE */
{ pre_RS, post_RS, 0 }, /* RS */
{ pre_ign, NULL, 0 }, /* DT */
- { pre_ign, NULL, 0 }, /* UC */
- { pre_ign, NULL, 0 }, /* PD */
- { pre_sp, NULL, MAN_NOTEXT }, /* Sp */
- { pre_nf, NULL, 0 }, /* Vb */
- { pre_fi, NULL, 0 }, /* Ve */
- { pre_ign, NULL, MAN_NOTEXT }, /* de */
- { pre_ign, NULL, MAN_NOTEXT }, /* dei */
- { pre_ign, NULL, MAN_NOTEXT }, /* am */
- { pre_ign, NULL, MAN_NOTEXT }, /* ami */
- { NULL, NULL, 0 }, /* . */
+ { pre_ign, NULL, MAN_NOTEXT }, /* UC */
+ { pre_PD, NULL, MAN_NOTEXT }, /* PD */
+ { pre_ign, NULL, 0 }, /* AT */
+ { pre_in, NULL, MAN_NOTEXT }, /* in */
+ { pre_ft, NULL, MAN_NOTEXT }, /* ft */
+ { pre_OP, NULL, 0 }, /* OP */
+ { pre_literal, NULL, 0 }, /* EX */
+ { pre_literal, NULL, 0 }, /* EE */
+ { pre_UR, post_UR, 0 }, /* UR */
+ { NULL, NULL, 0 }, /* UE */
+ { pre_ll, NULL, MAN_NOTEXT }, /* ll */
};
-
void
terminal_man(void *arg, const struct man *man)
{
struct termp *p;
- const struct man_node *n;
- const struct man_meta *m;
+ const struct man_meta *meta;
+ struct man_node *n;
struct mtermp mt;
p = (struct termp *)arg;
p->overstep = 0;
- p->maxrmargin = p->defrmargin;
-
- if (NULL == p->symtab)
- switch (p->enc) {
- case (TERMENC_ASCII):
- p->symtab = chars_init(CHARS_ASCII);
- break;
- default:
- abort();
- /* NOTREACHED */
+ p->rmargin = p->maxrmargin = p->defrmargin;
+ p->tabwidth = term_len(p, 5);
+
+ n = man_node(man)->child;
+ meta = man_meta(man);
+
+ memset(&mt, 0, sizeof(struct mtermp));
+
+ mt.lmargin[mt.lmargincur] = term_len(p, p->defindent);
+ mt.offset = term_len(p, p->defindent);
+ mt.pardist = 1;
+
+ if (p->synopsisonly) {
+ while (n != NULL) {
+ if (n->tok == MAN_SH &&
+ n->child->child->type == MAN_TEXT &&
+ !strcmp(n->child->child->string, "SYNOPSIS")) {
+ if (n->child->next->child != NULL)
+ print_man_nodelist(p, &mt,
+ n->child->next->child, meta);
+ term_newln(p);
+ break;
+ }
+ n = n->next;
}
-
- n = man_node(man);
- m = man_meta(man);
-
- print_man_head(p, m);
- p->flags |= TERMP_NOSPACE;
-
- mt.fl = 0;
- mt.lmargin = INDENT;
- mt.offset = INDENT;
-
- if (n->child)
- print_man_nodelist(p, &mt, n->child, m);
- print_man_foot(p, m);
+ } else {
+ if (p->defindent == 0)
+ p->defindent = 7;
+ term_begin(p, print_man_head, print_man_foot, meta);
+ p->flags |= TERMP_NOSPACE;
+ if (n != NULL)
+ print_man_nodelist(p, &mt, n, meta);
+ term_end(p);
+ }
}
-
-static int
-a2height(const struct man_node *n)
+/*
+ * Printing leading vertical space before a block.
+ * This is used for the paragraph macros.
+ * The rules are pretty simple, since there's very little nesting going
+ * on here. Basically, if we're the first within another block (SS/SH),
+ * then don't emit vertical space. If we are (RS), then do. If not the
+ * first, print it.
+ */
+static void
+print_bvspace(struct termp *p, const struct man_node *n, int pardist)
{
- struct roffsu su;
-
- assert(MAN_TEXT == n->type);
- assert(n->string);
- if ( ! a2roffsu(n->string, &su, SCALE_VS))
- SCALE_VS_INIT(&su, strlen(n->string));
-
- return((int)term_vspan(&su));
-}
+ int i;
+ term_newln(p);
-static int
-a2width(const struct man_node *n)
-{
- struct roffsu su;
+ if (n->body && n->body->child)
+ if (MAN_TBL == n->body->child->type)
+ return;
- assert(MAN_TEXT == n->type);
- assert(n->string);
- if ( ! a2roffsu(n->string, &su, SCALE_BU))
- return(-1);
+ if (MAN_ROOT == n->parent->type || MAN_RS != n->parent->tok)
+ if (NULL == n->prev)
+ return;
- return((int)term_hspan(&su));
+ for (i = 0; i < pardist; i++)
+ term_vspace(p);
}
-static void
-print_bvspace(struct termp *p, const struct man_node *n)
+static int
+pre_ign(DECL_ARGS)
{
- term_newln(p);
-
- if (NULL == n->prev)
- return;
- if (MAN_SS == n->prev->tok)
- return;
- if (MAN_SH == n->prev->tok)
- return;
-
- term_vspace(p);
+ return(0);
}
-
-/* ARGSUSED */
static int
-pre_ign(DECL_ARGS)
+pre_ll(DECL_ARGS)
{
+ term_setwidth(p, n->nchild ? n->child->string : NULL);
return(0);
}
-
-/* ARGSUSED */
static int
pre_I(DECL_ARGS)
{
return(1);
}
-
-/* ARGSUSED */
static int
-pre_fi(DECL_ARGS)
+pre_literal(DECL_ARGS)
{
- mt->fl &= ~MANT_LITERAL;
- return(1);
-}
+ term_newln(p);
+
+ if (MAN_nf == n->tok || MAN_EX == n->tok)
+ mt->fl |= MANT_LITERAL;
+ else
+ mt->fl &= ~MANT_LITERAL;
+
+ /*
+ * Unlike .IP and .TP, .HP does not have a HEAD.
+ * So in case a second call to term_flushln() is needed,
+ * indentation has to be set up explicitly.
+ */
+ if (MAN_HP == n->parent->tok && p->rmargin < p->maxrmargin) {
+ p->offset = p->rmargin;
+ p->rmargin = p->maxrmargin;
+ p->trailspace = 0;
+ p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND);
+ p->flags |= TERMP_NOSPACE;
+ }
+ return(0);
+}
-/* ARGSUSED */
static int
-pre_nf(DECL_ARGS)
+pre_PD(DECL_ARGS)
{
+ struct roffsu su;
- mt->fl |= MANT_LITERAL;
- return(MAN_Vb != n->tok);
+ n = n->child;
+ if (n == NULL) {
+ mt->pardist = 1;
+ return(0);
+ }
+ assert(MAN_TEXT == n->type);
+ if (a2roffsu(n->string, &su, SCALE_VS))
+ mt->pardist = term_vspan(p, &su);
+ return(0);
}
-
-/* ARGSUSED */
static int
-pre_RB(DECL_ARGS)
+pre_alternate(DECL_ARGS)
{
- const struct man_node *nn;
- int i;
+ enum termfont font[2];
+ const struct man_node *nn;
+ int savelit, i;
- for (i = 0, nn = n->child; nn; nn = nn->next, i++) {
- if (i % 2 && MAN_RB == n->tok)
- term_fontrepl(p, TERMFONT_BOLD);
- else if ( ! (i % 2) && MAN_RB != n->tok)
- term_fontrepl(p, TERMFONT_BOLD);
- else
- term_fontrepl(p, TERMFONT_NONE);
+ switch (n->tok) {
+ case MAN_RB:
+ font[0] = TERMFONT_NONE;
+ font[1] = TERMFONT_BOLD;
+ break;
+ case MAN_RI:
+ font[0] = TERMFONT_NONE;
+ font[1] = TERMFONT_UNDER;
+ break;
+ case MAN_BR:
+ font[0] = TERMFONT_BOLD;
+ font[1] = TERMFONT_NONE;
+ break;
+ case MAN_BI:
+ font[0] = TERMFONT_BOLD;
+ font[1] = TERMFONT_UNDER;
+ break;
+ case MAN_IR:
+ font[0] = TERMFONT_UNDER;
+ font[1] = TERMFONT_NONE;
+ break;
+ case MAN_IB:
+ font[0] = TERMFONT_UNDER;
+ font[1] = TERMFONT_BOLD;
+ break;
+ default:
+ abort();
+ }
- if (i > 0)
- p->flags |= TERMP_NOSPACE;
+ savelit = MANT_LITERAL & mt->fl;
+ mt->fl &= ~MANT_LITERAL;
- print_man_node(p, mt, nn, m);
+ for (i = 0, nn = n->child; nn; nn = nn->next, i = 1 - i) {
+ term_fontrepl(p, font[i]);
+ if (savelit && NULL == nn->next)
+ mt->fl |= MANT_LITERAL;
+ print_man_node(p, mt, nn, meta);
+ if (nn->next)
+ p->flags |= TERMP_NOSPACE;
}
+
return(0);
}
-
-/* ARGSUSED */
static int
-pre_RI(DECL_ARGS)
+pre_B(DECL_ARGS)
{
- const struct man_node *nn;
- int i;
- for (i = 0, nn = n->child; nn; nn = nn->next, i++) {
- if (i % 2 && MAN_RI == n->tok)
- term_fontrepl(p, TERMFONT_UNDER);
- else if ( ! (i % 2) && MAN_RI != n->tok)
- term_fontrepl(p, TERMFONT_UNDER);
- else
- term_fontrepl(p, TERMFONT_NONE);
+ term_fontrepl(p, TERMFONT_BOLD);
+ return(1);
+}
- if (i > 0)
- p->flags |= TERMP_NOSPACE;
+static int
+pre_OP(DECL_ARGS)
+{
- print_man_node(p, mt, nn, m);
+ term_word(p, "[");
+ p->flags |= TERMP_NOSPACE;
+
+ if (NULL != (n = n->child)) {
+ term_fontrepl(p, TERMFONT_BOLD);
+ term_word(p, n->string);
+ }
+ if (NULL != n && NULL != n->next) {
+ term_fontrepl(p, TERMFONT_UNDER);
+ term_word(p, n->next->string);
}
+
+ term_fontrepl(p, TERMFONT_NONE);
+ p->flags |= TERMP_NOSPACE;
+ term_word(p, "]");
return(0);
}
-
-/* ARGSUSED */
static int
-pre_BI(DECL_ARGS)
+pre_ft(DECL_ARGS)
{
- const struct man_node *nn;
- int i;
-
- for (i = 0, nn = n->child; nn; nn = nn->next, i++) {
- if (i % 2 && MAN_BI == n->tok)
- term_fontrepl(p, TERMFONT_UNDER);
- else if (i % 2)
- term_fontrepl(p, TERMFONT_BOLD);
- else if (MAN_BI == n->tok)
- term_fontrepl(p, TERMFONT_BOLD);
- else
- term_fontrepl(p, TERMFONT_UNDER);
+ const char *cp;
- if (i)
- p->flags |= TERMP_NOSPACE;
+ if (NULL == n->child) {
+ term_fontlast(p);
+ return(0);
+ }
- print_man_node(p, mt, nn, m);
+ cp = n->child->string;
+ switch (*cp) {
+ case '4':
+ /* FALLTHROUGH */
+ case '3':
+ /* FALLTHROUGH */
+ case 'B':
+ term_fontrepl(p, TERMFONT_BOLD);
+ break;
+ case '2':
+ /* FALLTHROUGH */
+ case 'I':
+ term_fontrepl(p, TERMFONT_UNDER);
+ break;
+ case 'P':
+ term_fontlast(p);
+ break;
+ case '1':
+ /* FALLTHROUGH */
+ case 'C':
+ /* FALLTHROUGH */
+ case 'R':
+ term_fontrepl(p, TERMFONT_NONE);
+ break;
+ default:
+ break;
}
return(0);
}
-
-/* ARGSUSED */
static int
-pre_B(DECL_ARGS)
+pre_in(DECL_ARGS)
{
+ struct roffsu su;
+ const char *cp;
+ size_t v;
+ int less;
- term_fontrepl(p, TERMFONT_BOLD);
- return(1);
-}
+ term_newln(p);
+ if (NULL == n->child) {
+ p->offset = mt->offset;
+ return(0);
+ }
-/* ARGSUSED */
-static int
-pre_sp(DECL_ARGS)
-{
- int i, len;
+ cp = n->child->string;
+ less = 0;
- len = n->child ? a2height(n->child) : 1;
+ if ('-' == *cp)
+ less = -1;
+ else if ('+' == *cp)
+ less = 1;
+ else
+ cp--;
- if (0 == len)
- term_newln(p);
- for (i = 0; i <= len; i++)
- term_vspace(p);
+ if ( ! a2roffsu(++cp, &su, SCALE_EN))
+ return(0);
+
+ v = term_hspan(p, &su);
+
+ if (less < 0)
+ p->offset -= p->offset > v ? v : p->offset;
+ else if (less > 0)
+ p->offset += v;
+ else
+ p->offset = v;
return(0);
}
-
-/* ARGSUSED */
static int
-pre_br(DECL_ARGS)
+pre_sp(DECL_ARGS)
{
+ struct roffsu su;
+ int i, len;
+
+ if ((NULL == n->prev && n->parent)) {
+ switch (n->parent->tok) {
+ case MAN_SH:
+ /* FALLTHROUGH */
+ case MAN_SS:
+ /* FALLTHROUGH */
+ case MAN_PP:
+ /* FALLTHROUGH */
+ case MAN_LP:
+ /* FALLTHROUGH */
+ case MAN_P:
+ /* FALLTHROUGH */
+ return(0);
+ default:
+ break;
+ }
+ }
+
+ if (n->tok == MAN_br)
+ len = 0;
+ else if (n->child == NULL)
+ len = 1;
+ else {
+ if ( ! a2roffsu(n->child->string, &su, SCALE_VS))
+ su.scale = 1.0;
+ len = term_vspan(p, &su);
+ }
+
+ if (len == 0)
+ term_newln(p);
+ else if (len < 0)
+ p->skipvsp -= len;
+ else
+ for (i = 0; i < len; i++)
+ term_vspace(p);
- term_newln(p);
return(0);
}
-
-/* ARGSUSED */
static int
pre_HP(DECL_ARGS)
{
- size_t len;
- int ival;
+ struct roffsu su;
const struct man_node *nn;
+ int len;
switch (n->type) {
- case (MAN_BLOCK):
- print_bvspace(p, n);
+ case MAN_BLOCK:
+ print_bvspace(p, n, mt->pardist);
return(1);
- case (MAN_BODY):
- p->flags |= TERMP_NOBREAK;
- p->flags |= TERMP_TWOSPACE;
+ case MAN_BODY:
break;
default:
return(0);
}
- len = mt->lmargin;
- ival = -1;
+ if ( ! (MANT_LITERAL & mt->fl)) {
+ p->flags |= TERMP_NOBREAK | TERMP_BRIND;
+ p->trailspace = 2;
+ }
/* Calculate offset. */
- if (NULL != (nn = n->parent->head->child))
- if ((ival = a2width(nn)) >= 0)
- len = (size_t)ival;
-
- if (0 == len)
- len = 1;
+ if ((nn = n->parent->head->child) != NULL &&
+ a2roffsu(nn->string, &su, SCALE_EN)) {
+ len = term_hspan(p, &su);
+ mt->lmargin[mt->lmargincur] = len;
+ } else
+ len = mt->lmargin[mt->lmargincur];
p->offset = mt->offset;
- p->rmargin = mt->offset + len;
-
- if (ival >= 0)
- mt->lmargin = (size_t)ival;
+ if (len > 0 || (size_t)(-len) < mt->offset)
+ p->rmargin = mt->offset + len;
+ else
+ p->rmargin = 0;
return(1);
}
-
-/* ARGSUSED */
static void
post_HP(DECL_ARGS)
{
switch (n->type) {
- case (MAN_BLOCK):
- term_flushln(p);
- break;
- case (MAN_BODY):
- term_flushln(p);
- p->flags &= ~TERMP_NOBREAK;
- p->flags &= ~TERMP_TWOSPACE;
+ case MAN_BODY:
+ term_newln(p);
+ p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND);
+ p->trailspace = 0;
p->offset = mt->offset;
p->rmargin = p->maxrmargin;
break;
}
}
-
-/* ARGSUSED */
static int
pre_PP(DECL_ARGS)
{
switch (n->type) {
- case (MAN_BLOCK):
- mt->lmargin = INDENT;
- print_bvspace(p, n);
+ case MAN_BLOCK:
+ mt->lmargin[mt->lmargincur] = term_len(p, p->defindent);
+ print_bvspace(p, n, mt->pardist);
break;
default:
p->offset = mt->offset;
break;
}
- return(1);
+ return(MAN_HEAD != n->type);
}
-
-/* ARGSUSED */
static int
pre_IP(DECL_ARGS)
{
+ struct roffsu su;
const struct man_node *nn;
- size_t len;
- int ival;
+ int len, savelit;
switch (n->type) {
- case (MAN_BODY):
- p->flags |= TERMP_NOLPAD;
+ case MAN_BODY:
p->flags |= TERMP_NOSPACE;
break;
- case (MAN_HEAD):
+ case MAN_HEAD:
p->flags |= TERMP_NOBREAK;
+ p->trailspace = 1;
break;
- case (MAN_BLOCK):
- print_bvspace(p, n);
+ case MAN_BLOCK:
+ print_bvspace(p, n, mt->pardist);
/* FALLTHROUGH */
default:
return(1);
}
- len = mt->lmargin;
- ival = -1;
-
- /* Calculate offset. */
-
- if (NULL != (nn = n->parent->head->child))
- if (NULL != (nn = nn->next)) {
- for ( ; nn->next; nn = nn->next)
- /* Do nothing. */ ;
- if ((ival = a2width(nn)) >= 0)
- len = (size_t)ival;
- }
+ /* Calculate the offset from the optional second argument. */
+ if ((nn = n->parent->head->child) != NULL &&
+ (nn = nn->next) != NULL &&
+ a2roffsu(nn->string, &su, SCALE_EN)) {
+ len = term_hspan(p, &su);
+ mt->lmargin[mt->lmargincur] = len;
+ if (len < 0 && (size_t)(-len) > mt->offset)
+ len = -mt->offset;
+ } else
+ len = mt->lmargin[mt->lmargincur];
switch (n->type) {
- case (MAN_HEAD):
- /* Handle zero-width lengths. */
- if (0 == len)
- len = 1;
-
+ case MAN_HEAD:
p->offset = mt->offset;
p->rmargin = mt->offset + len;
- if (ival < 0)
- break;
- /* Set the saved left-margin. */
- mt->lmargin = (size_t)ival;
+ savelit = MANT_LITERAL & mt->fl;
+ mt->fl &= ~MANT_LITERAL;
+
+ if (n->child)
+ print_man_node(p, mt, n->child, meta);
+
+ if (savelit)
+ mt->fl |= MANT_LITERAL;
- /* Don't print the length value. */
- for (nn = n->child; nn->next; nn = nn->next)
- print_man_node(p, mt, nn, m);
return(0);
- case (MAN_BODY):
+ case MAN_BODY:
p->offset = mt->offset + len;
p->rmargin = p->maxrmargin;
break;
return(1);
}
-
-/* ARGSUSED */
static void
post_IP(DECL_ARGS)
{
switch (n->type) {
- case (MAN_HEAD):
+ case MAN_HEAD:
term_flushln(p);
p->flags &= ~TERMP_NOBREAK;
+ p->trailspace = 0;
p->rmargin = p->maxrmargin;
break;
- case (MAN_BODY):
- term_flushln(p);
- p->flags &= ~TERMP_NOLPAD;
+ case MAN_BODY:
+ term_newln(p);
+ p->offset = mt->offset;
break;
default:
break;
}
}
-
-/* ARGSUSED */
static int
pre_TP(DECL_ARGS)
{
+ struct roffsu su;
const struct man_node *nn;
- size_t len;
- int ival;
+ int len, savelit;
switch (n->type) {
- case (MAN_HEAD):
+ case MAN_HEAD:
p->flags |= TERMP_NOBREAK;
- p->flags |= TERMP_TWOSPACE;
+ p->trailspace = 1;
break;
- case (MAN_BODY):
- p->flags |= TERMP_NOLPAD;
+ case MAN_BODY:
p->flags |= TERMP_NOSPACE;
break;
- case (MAN_BLOCK):
- print_bvspace(p, n);
+ case MAN_BLOCK:
+ print_bvspace(p, n, mt->pardist);
/* FALLTHROUGH */
default:
return(1);
}
- len = (size_t)mt->lmargin;
- ival = -1;
-
/* Calculate offset. */
- if (NULL != (nn = n->parent->head->child)) {
- while (nn && MAN_TEXT != nn->type)
- nn = nn->next;
- if (nn && nn->next)
- if ((ival = a2width(nn)) >= 0)
- len = (size_t)ival;
- }
+ if ((nn = n->parent->head->child) != NULL &&
+ nn->string != NULL && ! (MAN_LINE & nn->flags) &&
+ a2roffsu(nn->string, &su, SCALE_EN)) {
+ len = term_hspan(p, &su);
+ mt->lmargin[mt->lmargincur] = len;
+ if (len < 0 && (size_t)(-len) > mt->offset)
+ len = -mt->offset;
+ } else
+ len = mt->lmargin[mt->lmargincur];
switch (n->type) {
- case (MAN_HEAD):
- /* Handle zero-length properly. */
- if (0 == len)
- len = 1;
-
+ case MAN_HEAD:
p->offset = mt->offset;
p->rmargin = mt->offset + len;
+ savelit = MANT_LITERAL & mt->fl;
+ mt->fl &= ~MANT_LITERAL;
+
/* Don't print same-line elements. */
- for (nn = n->child; nn; nn = nn->next)
- if (nn->line > n->line)
- print_man_node(p, mt, nn, m);
+ nn = n->child;
+ while (NULL != nn && 0 == (MAN_LINE & nn->flags))
+ nn = nn->next;
- if (ival >= 0)
- mt->lmargin = (size_t)ival;
+ while (NULL != nn) {
+ print_man_node(p, mt, nn, meta);
+ nn = nn->next;
+ }
+ if (savelit)
+ mt->fl |= MANT_LITERAL;
return(0);
- case (MAN_BODY):
+ case MAN_BODY:
p->offset = mt->offset + len;
p->rmargin = p->maxrmargin;
+ p->trailspace = 0;
+ p->flags &= ~TERMP_NOBREAK;
break;
default:
break;
return(1);
}
-
-/* ARGSUSED */
static void
post_TP(DECL_ARGS)
{
switch (n->type) {
- case (MAN_HEAD):
+ case MAN_HEAD:
term_flushln(p);
- p->flags &= ~TERMP_NOBREAK;
- p->flags &= ~TERMP_TWOSPACE;
- p->rmargin = p->maxrmargin;
break;
- case (MAN_BODY):
- term_flushln(p);
- p->flags &= ~TERMP_NOLPAD;
+ case MAN_BODY:
+ term_newln(p);
+ p->offset = mt->offset;
break;
default:
break;
}
}
-
-/* ARGSUSED */
static int
pre_SS(DECL_ARGS)
{
+ int i;
switch (n->type) {
- case (MAN_BLOCK):
- mt->lmargin = INDENT;
- mt->offset = INDENT;
- /* If following a prior empty `SS', no vspace. */
- if (n->prev && MAN_SS == n->prev->tok)
- if (NULL == n->prev->body->child)
- break;
- if (NULL == n->prev)
+ case MAN_BLOCK:
+ mt->fl &= ~MANT_LITERAL;
+ mt->lmargin[mt->lmargincur] = term_len(p, p->defindent);
+ mt->offset = term_len(p, p->defindent);
+
+ /*
+ * No vertical space before the first subsection
+ * and after an empty subsection.
+ */
+
+ do {
+ n = n->prev;
+ } while (n != NULL && termacts[n->tok].flags & MAN_NOTEXT);
+ if (n == NULL || (n->tok == MAN_SS && n->body->child == NULL))
break;
- term_vspace(p);
+
+ for (i = 0; i < mt->pardist; i++)
+ term_vspace(p);
break;
- case (MAN_HEAD):
+ case MAN_HEAD:
term_fontrepl(p, TERMFONT_BOLD);
- p->offset = HALFINDENT;
+ p->offset = term_len(p, 3);
break;
- case (MAN_BODY):
+ case MAN_BODY:
p->offset = mt->offset;
break;
default:
return(1);
}
-
-/* ARGSUSED */
static void
post_SS(DECL_ARGS)
{
-
+
switch (n->type) {
- case (MAN_HEAD):
+ case MAN_HEAD:
term_newln(p);
break;
- case (MAN_BODY):
+ case MAN_BODY:
term_newln(p);
break;
default:
}
}
-
-/* ARGSUSED */
static int
pre_SH(DECL_ARGS)
{
+ int i;
switch (n->type) {
- case (MAN_BLOCK):
- mt->lmargin = INDENT;
- mt->offset = INDENT;
- /* If following a prior empty `SH', no vspace. */
- if (n->prev && MAN_SH == n->prev->tok)
- if (NULL == n->prev->body->child)
- break;
- /* If the first macro, no vspae. */
- if (NULL == n->prev)
+ case MAN_BLOCK:
+ mt->fl &= ~MANT_LITERAL;
+ mt->lmargin[mt->lmargincur] = term_len(p, p->defindent);
+ mt->offset = term_len(p, p->defindent);
+
+ /*
+ * No vertical space before the first section
+ * and after an empty section.
+ */
+
+ do {
+ n = n->prev;
+ } while (n != NULL && termacts[n->tok].flags & MAN_NOTEXT);
+ if (n == NULL || (n->tok == MAN_SH && n->body->child == NULL))
break;
- term_vspace(p);
+
+ for (i = 0; i < mt->pardist; i++)
+ term_vspace(p);
break;
- case (MAN_HEAD):
+ case MAN_HEAD:
term_fontrepl(p, TERMFONT_BOLD);
p->offset = 0;
break;
- case (MAN_BODY):
+ case MAN_BODY:
p->offset = mt->offset;
break;
default:
return(1);
}
-
-/* ARGSUSED */
static void
post_SH(DECL_ARGS)
{
-
+
switch (n->type) {
- case (MAN_HEAD):
+ case MAN_HEAD:
term_newln(p);
break;
- case (MAN_BODY):
+ case MAN_BODY:
term_newln(p);
break;
default:
}
}
-
-/* ARGSUSED */
static int
pre_RS(DECL_ARGS)
{
- const struct man_node *nn;
- int ival;
+ struct roffsu su;
+ int len;
switch (n->type) {
- case (MAN_BLOCK):
+ case MAN_BLOCK:
term_newln(p);
return(1);
- case (MAN_HEAD):
+ case MAN_HEAD:
return(0);
default:
break;
}
- if (NULL == (nn = n->parent->head->child)) {
- mt->offset = mt->lmargin + INDENT;
- p->offset = mt->offset;
- return(1);
- }
+ if ((n = n->parent->head->child) != NULL &&
+ a2roffsu(n->string, &su, SCALE_EN))
+ len = term_hspan(p, &su);
+ else
+ len = term_len(p, p->defindent);
- if ((ival = a2width(nn)) < 0)
- return(1);
-
- mt->offset = INDENT + (size_t)ival;
+ if (len > 0 || (size_t)(-len) < mt->offset)
+ mt->offset += len;
+ else
+ mt->offset = 0;
p->offset = mt->offset;
+ p->rmargin = p->maxrmargin;
+ if (++mt->lmarginsz < MAXMARGINS)
+ mt->lmargincur = mt->lmarginsz;
+
+ mt->lmargin[mt->lmargincur] = mt->lmargin[mt->lmargincur - 1];
return(1);
}
-
-/* ARGSUSED */
static void
post_RS(DECL_ARGS)
{
+ struct roffsu su;
+ int len;
switch (n->type) {
- case (MAN_BLOCK):
- mt->offset = mt->lmargin = INDENT;
- break;
- case (MAN_HEAD):
- break;
+ case MAN_BLOCK:
+ return;
+ case MAN_HEAD:
+ return;
default:
term_newln(p);
- p->offset = INDENT;
break;
}
+
+ if ((n = n->parent->head->child) != NULL &&
+ a2roffsu(n->string, &su, SCALE_EN))
+ len = term_hspan(p, &su);
+ else
+ len = term_len(p, p->defindent);
+
+ if (len < 0 || (size_t)len < mt->offset)
+ mt->offset -= len;
+ else
+ mt->offset = 0;
+ p->offset = mt->offset;
+
+ if (--mt->lmarginsz < MAXMARGINS)
+ mt->lmargincur = mt->lmarginsz;
+}
+
+static int
+pre_UR(DECL_ARGS)
+{
+
+ return (MAN_HEAD != n->type);
}
+static void
+post_UR(DECL_ARGS)
+{
+
+ if (MAN_BLOCK != n->type)
+ return;
+
+ term_word(p, "<");
+ p->flags |= TERMP_NOSPACE;
+
+ if (NULL != n->child->child)
+ print_man_node(p, mt, n->child->child, meta);
+
+ p->flags |= TERMP_NOSPACE;
+ term_word(p, ">");
+}
static void
print_man_node(DECL_ARGS)
size_t rm, rmax;
int c;
- c = 1;
-
switch (n->type) {
- case(MAN_TEXT):
- if (0 == *n->string) {
+ case MAN_TEXT:
+ /*
+ * If we have a blank line, output a vertical space.
+ * If we have a space as the first character, break
+ * before printing the line's data.
+ */
+ if ('\0' == *n->string) {
term_vspace(p);
- break;
- }
+ return;
+ } else if (' ' == *n->string && MAN_LINE & n->flags)
+ term_newln(p);
term_word(p, n->string);
+ goto out;
- /* FIXME: this means that macro lines are munged! */
-
- if (MANT_LITERAL & mt->fl) {
- rm = p->rmargin;
- rmax = p->maxrmargin;
- p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
+ case MAN_EQN:
+ if ( ! (n->flags & MAN_LINE))
p->flags |= TERMP_NOSPACE;
- term_flushln(p);
- p->rmargin = rm;
- p->maxrmargin = rmax;
- }
- break;
+ term_eqn(p, n->eqn);
+ if (n->next != NULL && ! (n->next->flags & MAN_LINE))
+ p->flags |= TERMP_NOSPACE;
+ return;
+ case MAN_TBL:
+ /*
+ * Tables are preceded by a newline. Then process a
+ * table line, which will cause line termination,
+ */
+ if (TBL_SPAN_FIRST & n->span->flags)
+ term_newln(p);
+ term_tbl(p, n->span);
+ return;
default:
- if ( ! (MAN_NOTEXT & termacts[n->tok].flags))
- term_fontrepl(p, TERMFONT_NONE);
- if (termacts[n->tok].pre)
- c = (*termacts[n->tok].pre)(p, mt, n, m);
break;
}
+ if ( ! (MAN_NOTEXT & termacts[n->tok].flags))
+ term_fontrepl(p, TERMFONT_NONE);
+
+ c = 1;
+ if (termacts[n->tok].pre)
+ c = (*termacts[n->tok].pre)(p, mt, n, meta);
+
if (c && n->child)
- print_man_nodelist(p, mt, n->child, m);
+ print_man_nodelist(p, mt, n->child, meta);
- if (MAN_TEXT != n->type) {
- if (termacts[n->tok].post)
- (*termacts[n->tok].post)(p, mt, n, m);
- if ( ! (MAN_NOTEXT & termacts[n->tok].flags))
- term_fontrepl(p, TERMFONT_NONE);
- }
+ if (termacts[n->tok].post)
+ (*termacts[n->tok].post)(p, mt, n, meta);
+ if ( ! (MAN_NOTEXT & termacts[n->tok].flags))
+ term_fontrepl(p, TERMFONT_NONE);
+out:
+ /*
+ * If we're in a literal context, make sure that words
+ * together on the same line stay together. This is a
+ * POST-printing call, so we check the NEXT word. Since
+ * -man doesn't have nested macros, we don't need to be
+ * more specific than this.
+ */
+ if (mt->fl & MANT_LITERAL &&
+ ! (p->flags & (TERMP_NOBREAK | TERMP_NONEWLINE)) &&
+ (n->next == NULL || n->next->flags & MAN_LINE)) {
+ rm = p->rmargin;
+ rmax = p->maxrmargin;
+ p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
+ p->flags |= TERMP_NOSPACE;
+ if (n->string != NULL && *n->string != '\0')
+ term_flushln(p);
+ else
+ term_newln(p);
+ if (rm < rmax && n->parent->tok == MAN_HP) {
+ p->offset = rm;
+ p->rmargin = rmax;
+ } else
+ p->rmargin = rm;
+ p->maxrmargin = rmax;
+ }
if (MAN_EOS & n->flags)
p->flags |= TERMP_SENTENCE;
}
print_man_nodelist(DECL_ARGS)
{
- print_man_node(p, mt, n, m);
+ print_man_node(p, mt, n, meta);
if ( ! n->next)
return;
- print_man_nodelist(p, mt, n->next, m);
+ print_man_nodelist(p, mt, n->next, meta);
}
-
static void
-print_man_foot(struct termp *p, const struct man_meta *meta)
+print_man_foot(struct termp *p, const void *arg)
{
- char buf[DATESIZ];
+ const struct man_meta *meta;
+ char *title;
+ size_t datelen, titlen;
+
+ meta = (const struct man_meta *)arg;
+ assert(meta->title);
+ assert(meta->msec);
+ assert(meta->date);
term_fontrepl(p, TERMFONT_NONE);
- time2a(meta->date, buf, DATESIZ);
+ if (meta->hasbody)
+ term_vspace(p);
- term_vspace(p);
+ /*
+ * Temporary, undocumented option to imitate mdoc(7) output.
+ * In the bottom right corner, use the source instead of
+ * the title.
+ */
+
+ if ( ! p->mdocstyle) {
+ if (meta->hasbody) {
+ term_vspace(p);
+ term_vspace(p);
+ }
+ mandoc_asprintf(&title, "%s(%s)",
+ meta->title, meta->msec);
+ } else if (meta->source) {
+ title = mandoc_strdup(meta->source);
+ } else {
+ title = mandoc_strdup("");
+ }
+ datelen = term_strlen(p, meta->date);
+
+ /* Bottom left corner: manual source. */
p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
- p->rmargin = p->maxrmargin - strlen(buf);
+ p->trailspace = 1;
p->offset = 0;
+ p->rmargin = p->maxrmargin > datelen ?
+ (p->maxrmargin + term_len(p, 1) - datelen) / 2 : 0;
if (meta->source)
term_word(p, meta->source);
- if (meta->source)
- term_word(p, "");
term_flushln(p);
- p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
+ /* At the bottom in the middle: manual date. */
+
p->offset = p->rmargin;
- p->rmargin = p->maxrmargin;
+ titlen = term_strlen(p, title);
+ p->rmargin = p->maxrmargin > titlen ? p->maxrmargin - titlen : 0;
+ p->flags |= TERMP_NOSPACE;
+
+ term_word(p, meta->date);
+ term_flushln(p);
+
+ /* Bottom right corner: manual title and section. */
+
p->flags &= ~TERMP_NOBREAK;
+ p->flags |= TERMP_NOSPACE;
+ p->trailspace = 0;
+ p->offset = p->rmargin;
+ p->rmargin = p->maxrmargin;
- term_word(p, buf);
+ term_word(p, title);
term_flushln(p);
+ free(title);
}
-
static void
-print_man_head(struct termp *p, const struct man_meta *m)
+print_man_head(struct termp *p, const void *arg)
{
- char buf[BUFSIZ], title[BUFSIZ];
- size_t buflen, titlen;
+ const struct man_meta *meta;
+ const char *volume;
+ char *title;
+ size_t vollen, titlen;
- /*
- * Note that old groff would spit out some spaces before the
- * header. We discontinue this strange behaviour, but at one
- * point we did so here.
- */
+ meta = (const struct man_meta *)arg;
+ assert(meta->title);
+ assert(meta->msec);
- p->rmargin = p->maxrmargin;
-
- p->offset = 0;
- buf[0] = title[0] = '\0';
+ volume = NULL == meta->vol ? "" : meta->vol;
+ vollen = term_strlen(p, volume);
- if (m->vol)
- strlcpy(buf, m->vol, BUFSIZ);
- buflen = strlen(buf);
+ /* Top left corner: manual title and section. */
- snprintf(title, BUFSIZ, "%s(%s)", m->title, m->msec);
- titlen = strlen(title);
+ mandoc_asprintf(&title, "%s(%s)", meta->title, meta->msec);
+ titlen = term_strlen(p, title);
- p->offset = 0;
- p->rmargin = 2 * (titlen+1) + buflen < p->maxrmargin ?
- (p->maxrmargin - strlen(buf) + 1) / 2 :
- p->maxrmargin - buflen;
p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
+ p->trailspace = 1;
+ p->offset = 0;
+ p->rmargin = 2 * (titlen+1) + vollen < p->maxrmargin ?
+ (p->maxrmargin - vollen + term_len(p, 1)) / 2 :
+ vollen < p->maxrmargin ? p->maxrmargin - vollen : 0;
term_word(p, title);
term_flushln(p);
- p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
+ /* At the top in the middle: manual volume. */
+
+ p->flags |= TERMP_NOSPACE;
p->offset = p->rmargin;
- p->rmargin = p->offset + buflen + titlen < p->maxrmargin ?
+ p->rmargin = p->offset + vollen + titlen < p->maxrmargin ?
p->maxrmargin - titlen : p->maxrmargin;
- term_word(p, buf);
+ term_word(p, volume);
term_flushln(p);
+ /* Top right corner: title and section, again. */
+
p->flags &= ~TERMP_NOBREAK;
+ p->trailspace = 0;
if (p->rmargin + titlen <= p->maxrmargin) {
- p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
+ p->flags |= TERMP_NOSPACE;
p->offset = p->rmargin;
p->rmargin = p->maxrmargin;
term_word(p, title);
term_flushln(p);
}
- p->rmargin = p->maxrmargin;
- p->offset = 0;
p->flags &= ~TERMP_NOSPACE;
+ p->offset = 0;
+ p->rmargin = p->maxrmargin;
- /*
- * Groff likes to have some leading spaces before content. Well
- * that's fine by me.
+ /*
+ * Groff prints three blank lines before the content.
+ * Do the same, except in the temporary, undocumented
+ * mode imitating mdoc(7) output.
*/
term_vspace(p);
- term_vspace(p);
- term_vspace(p);
+ if ( ! p->mdocstyle) {
+ term_vspace(p);
+ term_vspace(p);
+ }
+ free(title);
}
git.ckatri.com / mandoc.git / blobdiff