-/* $Id: man_html.c,v 1.130 2017/01/26 18:28:18 schwarze Exp $ */
+/* $Id: man_html.c,v 1.156 2018/08/18 02:08:27 schwarze Exp $ */
/*
* Copyright (c) 2008-2012, 2014 Kristaps Dzonsons <kristaps@bsd.lv>
- * Copyright (c) 2013, 2014, 2015, 2017 Ingo Schwarze <schwarze@openbsd.org>
+ * Copyright (c) 2013,2014,2015,2017,2018 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
#include <string.h>
#include "mandoc_aux.h"
+#include "mandoc.h"
#include "roff.h"
#include "man.h"
#include "out.h"
/* FIXME: have PD set the default vspace width. */
-#define INDENT 5
-
#define MAN_ARGS const struct roff_meta *man, \
const struct roff_node *n, \
- struct mhtml *mh, \
struct html *h
-struct mhtml {
- struct tag *nofill;
-};
-
-struct htmlman {
+struct man_html_act {
int (*pre)(MAN_ARGS);
int (*post)(MAN_ARGS);
};
static void print_bvspace(struct html *,
const struct roff_node *);
-static void print_man_head(MAN_ARGS);
+static void print_man_head(const struct roff_meta *,
+ struct html *);
static void print_man_nodelist(MAN_ARGS);
static void print_man_node(MAN_ARGS);
-static int a2width(const struct roff_node *,
- struct roffsu *);
+static int fillmode(struct html *, int);
static int man_B_pre(MAN_ARGS);
static int man_HP_pre(MAN_ARGS);
static int man_IP_pre(MAN_ARGS);
static int man_SH_pre(MAN_ARGS);
static int man_SM_pre(MAN_ARGS);
static int man_SS_pre(MAN_ARGS);
+static int man_SY_pre(MAN_ARGS);
static int man_UR_pre(MAN_ARGS);
static int man_alt_pre(MAN_ARGS);
-static int man_br_pre(MAN_ARGS);
-static int man_fill_pre(MAN_ARGS);
static int man_ign_pre(MAN_ARGS);
static int man_in_pre(MAN_ARGS);
-static void man_root_post(MAN_ARGS);
-static void man_root_pre(MAN_ARGS);
+static void man_root_post(const struct roff_meta *,
+ struct html *);
+static void man_root_pre(const struct roff_meta *,
+ struct html *);
-static const struct htmlman mans[MAN_MAX] = {
- { man_br_pre, NULL }, /* br */
+static const struct man_html_act man_html_acts[MAN_MAX - MAN_TH] = {
{ NULL, NULL }, /* TH */
{ man_SH_pre, NULL }, /* SH */
{ man_SS_pre, NULL }, /* SS */
{ man_IP_pre, NULL }, /* TP */
+ { man_IP_pre, NULL }, /* TQ */
{ man_PP_pre, NULL }, /* LP */
{ man_PP_pre, NULL }, /* PP */
{ man_PP_pre, NULL }, /* P */
{ man_I_pre, NULL }, /* I */
{ man_alt_pre, NULL }, /* IR */
{ man_alt_pre, NULL }, /* RI */
- { man_br_pre, NULL }, /* sp */
- { man_fill_pre, NULL }, /* nf */
- { man_fill_pre, NULL }, /* fi */
+ { NULL, NULL }, /* nf */
+ { NULL, NULL }, /* fi */
{ NULL, NULL }, /* RE */
{ man_RS_pre, NULL }, /* RS */
{ man_ign_pre, NULL }, /* DT */
{ man_ign_pre, NULL }, /* PD */
{ man_ign_pre, NULL }, /* AT */
{ man_in_pre, NULL }, /* in */
- { man_ign_pre, NULL }, /* ft */
+ { man_SY_pre, NULL }, /* SY */
+ { NULL, NULL }, /* YS */
{ man_OP_pre, NULL }, /* OP */
- { man_fill_pre, NULL }, /* EX */
- { man_fill_pre, NULL }, /* EE */
+ { NULL, NULL }, /* EX */
+ { NULL, NULL }, /* EE */
{ man_UR_pre, NULL }, /* UR */
{ NULL, NULL }, /* UE */
- { man_ign_pre, NULL }, /* ll */
+ { man_UR_pre, NULL }, /* MT */
+ { NULL, NULL }, /* ME */
};
void
html_man(void *arg, const struct roff_man *man)
{
- struct mhtml mh;
- struct html *h;
- struct tag *t;
+ struct html *h;
+ struct roff_node *n;
+ struct tag *t;
- mh.nofill = NULL;
h = (struct html *)arg;
+ n = man->first->child;
if ((h->oflags & HTML_FRAGMENT) == 0) {
print_gen_decls(h);
print_otag(h, TAG_HTML, "");
+ if (n->type == ROFFT_COMMENT)
+ print_gen_comment(h, n);
t = print_otag(h, TAG_HEAD, "");
- print_man_head(&man->meta, man->first, &mh, h);
+ print_man_head(&man->meta, h);
print_tagq(h, t);
print_otag(h, TAG_BODY, "");
}
- man_root_pre(&man->meta, man->first, &mh, h);
+ man_root_pre(&man->meta, h);
t = print_otag(h, TAG_DIV, "c", "manual-text");
- print_man_nodelist(&man->meta, man->first->child, &mh, h);
+ print_man_nodelist(&man->meta, n, h);
print_tagq(h, t);
- man_root_post(&man->meta, man->first, &mh, h);
+ man_root_post(&man->meta, h);
print_tagq(h, NULL);
}
static void
-print_man_head(MAN_ARGS)
+print_man_head(const struct roff_meta *man, struct html *h)
{
char *cp;
{
while (n != NULL) {
- print_man_node(man, n, mh, h);
+ print_man_node(man, n, h);
n = n->next;
}
}
static void
print_man_node(MAN_ARGS)
{
- int child;
+ static int want_fillmode = MAN_fi;
+ static int save_fillmode;
+
struct tag *t;
+ int child;
- child = 1;
- t = h->tags.head;
- if (t == mh->nofill)
- t = t->next;
+ /*
+ * Handle fill mode switch requests up front,
+ * they would just cause trouble in the subsequent code.
+ */
+
+ switch (n->tok) {
+ case MAN_nf:
+ case MAN_EX:
+ want_fillmode = MAN_nf;
+ return;
+ case MAN_fi:
+ case MAN_EE:
+ want_fillmode = MAN_fi;
+ if (fillmode(h, 0) == MAN_fi)
+ print_otag(h, TAG_BR, "");
+ return;
+ default:
+ break;
+ }
+
+ /* Set up fill mode for the upcoming node. */
switch (n->type) {
- case ROFFT_TEXT:
- if ('\0' == *n->string) {
- print_paragraph(h);
- return;
+ case ROFFT_BLOCK:
+ save_fillmode = 0;
+ /* Some block macros suspend or cancel .nf. */
+ switch (n->tok) {
+ case MAN_TP: /* Tagged paragraphs */
+ case MAN_IP: /* temporarily disable .nf */
+ case MAN_HP: /* for the head. */
+ save_fillmode = want_fillmode;
+ /* FALLTHROUGH */
+ case MAN_SH: /* Section headers */
+ case MAN_SS: /* permanently cancel .nf. */
+ want_fillmode = MAN_fi;
+ /* FALLTHROUGH */
+ case MAN_PP: /* These have no head. */
+ case MAN_LP: /* They will simply */
+ case MAN_P: /* reopen .nf in the body. */
+ case MAN_RS:
+ case MAN_UR:
+ case MAN_MT:
+ fillmode(h, MAN_fi);
+ break;
+ default:
+ break;
}
- if (mh->nofill == NULL &&
- n->flags & NODE_LINE && *n->string == ' ')
+ break;
+ case ROFFT_TBL:
+ fillmode(h, MAN_fi);
+ break;
+ case ROFFT_ELEM:
+ /*
+ * Some in-line macros produce tags and/or text
+ * in the handler, so they require fill mode to be
+ * configured up front just like for text nodes.
+ * For the others, keep the traditional approach
+ * of doing the same, for now.
+ */
+ fillmode(h, want_fillmode);
+ break;
+ case ROFFT_TEXT:
+ if (fillmode(h, want_fillmode) == MAN_fi &&
+ want_fillmode == MAN_fi &&
+ n->flags & NODE_LINE && *n->string == ' ' &&
+ (h->flags & HTML_NONEWLINE) == 0)
print_otag(h, TAG_BR, "");
+ if (*n->string != '\0')
+ break;
+ print_paragraph(h);
+ return;
+ case ROFFT_COMMENT:
+ return;
+ default:
+ break;
+ }
+
+ /* Produce output for this node. */
+
+ child = 1;
+ switch (n->type) {
+ case ROFFT_TEXT:
+ t = h->tag;
print_text(h, n->string);
break;
case ROFFT_EQN:
+ t = h->tag;
print_eqn(h, n->eqn);
break;
case ROFFT_TBL:
* the "meta" table state. This will be reopened on the
* next table element.
*/
- if (h->tblt) {
+ if (h->tblt)
print_tblclose(h);
- t = h->tags.head;
+
+ t = h->tag;
+ if (n->tok < ROFF_MAX) {
+ roff_html_pre(h, n);
+ child = 0;
+ break;
}
- if (mans[n->tok].pre)
- child = (*mans[n->tok].pre)(man, n, mh, h);
+
+ assert(n->tok >= MAN_TH && n->tok < MAN_MAX);
+ if (man_html_acts[n->tok - MAN_TH].pre != NULL)
+ child = (*man_html_acts[n->tok - MAN_TH].pre)(man,
+ n, h);
+
+ /* Some block macros resume .nf in the body. */
+ if (save_fillmode && n->type == ROFFT_BODY)
+ want_fillmode = save_fillmode;
+
break;
}
if (child && n->child)
- print_man_nodelist(man, n->child, mh, h);
+ print_man_nodelist(man, n->child, h);
/* This will automatically close out any font scope. */
- print_stagq(h, mh->nofill == NULL ? t : mh->nofill);
+ print_stagq(h, t);
- if (n->type != ROFFT_TEXT && n->type != ROFFT_EQN &&
- mans[n->tok].post != NULL)
- (*mans[n->tok].post)(man, n, mh, h);
-
- if (mh->nofill != NULL &&
- (n->next == NULL || n->next->flags & NODE_LINE))
+ if (fillmode(h, 0) == MAN_nf &&
+ n->next != NULL && n->next->flags & NODE_LINE)
print_endline(h);
}
+/*
+ * MAN_nf switches to no-fill mode, MAN_fi to fill mode.
+ * Other arguments do not switch.
+ * The old mode is returned.
+ */
static int
-a2width(const struct roff_node *n, struct roffsu *su)
+fillmode(struct html *h, int want)
{
+ struct tag *pre;
+ int had;
- if (n->type != ROFFT_TEXT)
- return 0;
- if (a2roffsu(n->string, su, SCALE_EN))
- return 1;
+ for (pre = h->tag; pre != NULL; pre = pre->next)
+ if (pre->tag == TAG_PRE)
+ break;
- return 0;
+ had = pre == NULL ? MAN_fi : MAN_nf;
+
+ if (want && want != had) {
+ if (want == MAN_nf)
+ print_otag(h, TAG_PRE, "");
+ else
+ print_tagq(h, pre);
+ }
+ return had;
}
static void
-man_root_pre(MAN_ARGS)
+man_root_pre(const struct roff_meta *man, struct html *h)
{
struct tag *t, *tt;
char *title;
mandoc_asprintf(&title, "%s(%s)", man->title, man->msec);
t = print_otag(h, TAG_TABLE, "c", "head");
- print_otag(h, TAG_TBODY, "");
tt = print_otag(h, TAG_TR, "");
print_otag(h, TAG_TD, "c", "head-ltitle");
}
static void
-man_root_post(MAN_ARGS)
+man_root_post(const struct roff_meta *man, struct html *h)
{
struct tag *t, *tt;
print_tagq(h, t);
}
-
-static int
-man_br_pre(MAN_ARGS)
-{
- struct roffsu su;
-
- SCALE_VS_INIT(&su, 1);
-
- if (MAN_sp == n->tok) {
- if (NULL != (n = n->child))
- if ( ! a2roffsu(n->string, &su, SCALE_VS))
- su.scale = 1.0;
- } else
- su.scale = 0.0;
-
- print_otag(h, TAG_DIV, "suh", &su);
-
- /* So the div isn't empty: */
- print_text(h, "\\~");
-
- return 0;
-}
-
static int
man_SH_pre(MAN_ARGS)
{
- if (n->type == ROFFT_BLOCK && mh->nofill != NULL) {
- print_tagq(h, mh->nofill);
- mh->nofill = NULL;
- } else if (n->type == ROFFT_HEAD)
- print_otag(h, TAG_H1, "c", "Sh");
+ char *id;
+
+ if (n->type == ROFFT_HEAD) {
+ id = html_make_id(n, 1);
+ print_otag(h, TAG_H1, "cTi", "Sh", id);
+ if (id != NULL)
+ print_otag(h, TAG_A, "chR", "permalink", id);
+ }
return 1;
}
static int
man_SS_pre(MAN_ARGS)
{
- if (n->type == ROFFT_BLOCK && mh->nofill != NULL) {
- print_tagq(h, mh->nofill);
- mh->nofill = NULL;
- } else if (n->type == ROFFT_HEAD)
- print_otag(h, TAG_H2, "c", "Ss");
+ char *id;
+
+ if (n->type == ROFFT_HEAD) {
+ id = html_make_id(n, 1);
+ print_otag(h, TAG_H2, "cTi", "Ss", id);
+ if (id != NULL)
+ print_otag(h, TAG_A, "chR", "permalink", id);
+ }
return 1;
}
const struct roff_node *nn;
if (n->type == ROFFT_BODY) {
- print_otag(h, TAG_DD, "c", "It-tag");
+ print_otag(h, TAG_DD, "");
return 1;
} else if (n->type != ROFFT_HEAD) {
print_otag(h, TAG_DL, "c", "Bl-tag");
return 1;
}
- /* FIXME: width specification. */
-
- print_otag(h, TAG_DT, "c", "It-tag");
-
- /* For IP, only print the first header element. */
+ print_otag(h, TAG_DT, "");
- if (MAN_IP == n->tok && n->child)
- print_man_node(man, n->child, mh, h);
-
- /* For TP, only print next-line header elements. */
-
- if (MAN_TP == n->tok) {
+ switch(n->tok) {
+ case MAN_IP: /* Only print the first header element. */
+ if (n->child != NULL)
+ print_man_node(man, n->child, h);
+ break;
+ case MAN_TP: /* Only print next-line header elements. */
+ case MAN_TQ:
nn = n->child;
- while (NULL != nn && 0 == (NODE_LINE & nn->flags))
+ while (nn != NULL && (NODE_LINE & nn->flags) == 0)
nn = nn->next;
- while (NULL != nn) {
- print_man_node(man, nn, mh, h);
+ while (nn != NULL) {
+ print_man_node(man, nn, h);
nn = nn->next;
}
+ break;
+ default:
+ abort();
}
return 0;
static int
man_HP_pre(MAN_ARGS)
{
- struct roffsu sum, sui;
- const struct roff_node *np;
-
if (n->type == ROFFT_HEAD)
return 0;
- else if (n->type != ROFFT_BLOCK)
- return 1;
-
- np = n->head->child;
-
- if (np == NULL || !a2width(np, &sum))
- SCALE_HS_INIT(&sum, INDENT);
- sui.unit = sum.unit;
- sui.scale = -sum.scale;
-
- print_bvspace(h, n);
- print_otag(h, TAG_DIV, "csului", "Pp", &sum, &sui);
+ if (n->type == ROFFT_BLOCK) {
+ print_bvspace(h, n);
+ print_otag(h, TAG_DIV, "c", "HP");
+ }
return 1;
}
return 1;
}
-static int
-man_fill_pre(MAN_ARGS)
-{
- if (MAN_fi == n->tok || MAN_EE == n->tok) {
- if (mh->nofill != NULL) {
- print_tagq(h, mh->nofill);
- mh->nofill = NULL;
- } else
- print_otag(h, TAG_BR, "");
- } else {
- if (mh->nofill == NULL)
- mh->nofill = print_otag(h, TAG_PRE, "");
- else
- print_otag(h, TAG_BR, "");
- }
- return 0;
-}
-
static int
man_in_pre(MAN_ARGS)
{
static int
man_RS_pre(MAN_ARGS)
{
- struct roffsu su;
-
if (n->type == ROFFT_HEAD)
return 0;
- else if (n->type == ROFFT_BODY)
- return 1;
-
- SCALE_HS_INIT(&su, INDENT);
- if (n->head->child)
- a2width(n->head->child, &su);
+ if (n->type == ROFFT_BLOCK)
+ print_otag(h, TAG_DIV, "c", "Bd-indent");
+ return 1;
+}
- print_otag(h, TAG_DIV, "sul", &su);
+static int
+man_SY_pre(MAN_ARGS)
+{
+ switch (n->type) {
+ case ROFFT_BLOCK:
+ print_otag(h, TAG_TABLE, "c", "Nm");
+ print_otag(h, TAG_TR, "");
+ break;
+ case ROFFT_HEAD:
+ print_otag(h, TAG_TD, "");
+ print_otag(h, TAG_CODE, "cT", "Nm");
+ break;
+ case ROFFT_BODY:
+ print_otag(h, TAG_TD, "");
+ break;
+ default:
+ abort();
+ }
return 1;
}
static int
man_UR_pre(MAN_ARGS)
{
+ char *cp;
n = n->child;
assert(n->type == ROFFT_HEAD);
if (n->child != NULL) {
assert(n->child->type == ROFFT_TEXT);
- print_otag(h, TAG_A, "ch", "Lk", n->child->string);
+ if (n->tok == MAN_MT) {
+ mandoc_asprintf(&cp, "mailto:%s", n->child->string);
+ print_otag(h, TAG_A, "cTh", "Mt", cp);
+ free(cp);
+ } else
+ print_otag(h, TAG_A, "cTh", "Lk", n->child->string);
}
assert(n->next->type == ROFFT_BODY);
if (n->next->child != NULL)
n = n->next;
- print_man_nodelist(man, n->child, mh, h);
+ print_man_nodelist(man, n->child, h);
return 0;
}