-/* $Id: man_html.c,v 1.4 2009/10/04 09:35:26 kristaps Exp $ */
+/* $Id: man_html.c,v 1.9 2009/10/09 07:10:37 kristaps Exp $ */
/*
* Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se>
*
#include <sys/types.h>
#include <sys/queue.h>
+#include <assert.h>
+#include <ctype.h>
#include <err.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
+#include "out.h"
#include "html.h"
#include "man.h"
-#define INDENT 7
+/* TODO: preserve ident widths. */
+
+#define INDENT 5
#define HALFINDENT 3
#define MAN_ARGS const struct man_meta *m, \
static void print_man_nodelist(MAN_ARGS);
static void print_man_node(MAN_ARGS);
+static int a2width(const struct man_node *,
+ struct roffsu *);
+
+static int man_alt_pre(MAN_ARGS);
static int man_br_pre(MAN_ARGS);
-static int man_PP_pre(MAN_ARGS);
+static int man_ign_pre(MAN_ARGS);
static void man_root_post(MAN_ARGS);
static int man_root_pre(MAN_ARGS);
+static int man_B_pre(MAN_ARGS);
+static int man_HP_pre(MAN_ARGS);
+static int man_I_pre(MAN_ARGS);
+static int man_IP_pre(MAN_ARGS);
+static int man_PP_pre(MAN_ARGS);
+static int man_RS_pre(MAN_ARGS);
+static int man_SB_pre(MAN_ARGS);
static int man_SH_pre(MAN_ARGS);
+static int man_SM_pre(MAN_ARGS);
static int man_SS_pre(MAN_ARGS);
#ifdef __linux__
{ NULL, NULL }, /* TH */
{ man_SH_pre, NULL }, /* SH */
{ man_SS_pre, NULL }, /* SS */
- { NULL, NULL }, /* TP */
+ { man_IP_pre, NULL }, /* TP */
{ man_PP_pre, NULL }, /* LP */
{ man_PP_pre, NULL }, /* PP */
{ man_PP_pre, NULL }, /* P */
- { NULL, NULL }, /* IP */
- { NULL, NULL }, /* HP */
- { NULL, NULL }, /* SM */
- { NULL, NULL }, /* SB */
- { NULL, NULL }, /* BI */
- { NULL, NULL }, /* IB */
- { NULL, NULL }, /* BR */
- { NULL, NULL }, /* RB */
+ { man_IP_pre, NULL }, /* IP */
+ { man_HP_pre, NULL }, /* HP */
+ { man_SM_pre, NULL }, /* SM */
+ { man_SB_pre, NULL }, /* SB */
+ { man_alt_pre, NULL }, /* BI */
+ { man_alt_pre, NULL }, /* IB */
+ { man_alt_pre, NULL }, /* BR */
+ { man_alt_pre, NULL }, /* RB */
{ NULL, NULL }, /* R */
- { NULL, NULL }, /* B */
- { NULL, NULL }, /* I */
- { NULL, NULL }, /* IR */
- { NULL, NULL }, /* RI */
+ { man_B_pre, NULL }, /* B */
+ { man_I_pre, NULL }, /* I */
+ { man_alt_pre, NULL }, /* IR */
+ { man_alt_pre, NULL }, /* RI */
{ NULL, NULL }, /* na */
{ NULL, NULL }, /* i */
{ man_br_pre, NULL }, /* sp */
{ NULL, NULL }, /* fi */
{ NULL, NULL }, /* r */
{ NULL, NULL }, /* RE */
- { NULL, NULL }, /* RS */
- { NULL, NULL }, /* DT */
- { NULL, NULL }, /* UC */
+ { man_RS_pre, NULL }, /* RS */
+ { man_ign_pre, NULL }, /* DT */
+ { man_ign_pre, NULL }, /* UC */
};
}
+static int
+a2width(const struct man_node *n, struct roffsu *su)
+{
+
+ if (MAN_TEXT != n->type)
+ return(0);
+ if (a2roffsu(n->string, su))
+ return(1);
+
+ return(0);
+}
+
+
/* ARGSUSED */
static int
man_root_pre(MAN_ARGS)
(void)snprintf(title, BUFSIZ - 1,
"%s(%d)", m->title, m->msec);
- tag[0].key = ATTR_CLASS;
- tag[0].val = "header";
- tag[1].key = ATTR_STYLE;
- tag[1].val = "width: 100%;";
+ PAIR_CLASS_INIT(&tag[0], "header");
+ bufcat_style(h, "width", "100%");
+ PAIR_STYLE_INIT(&tag[1], h);
t = print_otag(h, TAG_TABLE, 2, tag);
tt = print_otag(h, TAG_TR, 0, NULL);
- tag[0].key = ATTR_STYLE;
- tag[0].val = "width: 10%;";
+ bufinit(h);
+ bufcat_style(h, "width", "10%");
+ PAIR_STYLE_INIT(&tag[0], h);
print_otag(h, TAG_TD, 1, tag);
print_text(h, title);
print_stagq(h, tt);
- tag[0].key = ATTR_STYLE;
- tag[0].val = "width: 80%; white-space: nowrap; text-align: center;";
+ bufinit(h);
+ bufcat_style(h, "width", "80%");
+ bufcat_style(h, "white-space", "nowrap");
+ bufcat_style(h, "text-align", "center");
+ PAIR_STYLE_INIT(&tag[0], h);
print_otag(h, TAG_TD, 1, tag);
print_text(h, b);
print_stagq(h, tt);
- tag[0].key = ATTR_STYLE;
- tag[0].val = "width: 10%; text-align: right;";
+ bufinit(h);
+ bufcat_style(h, "width", "10%");
+ bufcat_style(h, "text-align", "right");
+ PAIR_STYLE_INIT(&tag[0], h);
print_otag(h, TAG_TD, 1, tag);
print_text(h, title);
print_tagq(h, t);
-
return(1);
}
if (0 == strftime(b, BUFSIZ - 1, "%B %e, %Y", &tm))
err(EXIT_FAILURE, "strftime");
- tag[0].key = ATTR_CLASS;
- tag[0].val = "footer";
- tag[1].key = ATTR_STYLE;
- tag[1].val = "width: 100%;";
+ PAIR_CLASS_INIT(&tag[0], "footer");
+ bufcat_style(h, "width", "100%");
+ PAIR_STYLE_INIT(&tag[1], h);
t = print_otag(h, TAG_TABLE, 2, tag);
tt = print_otag(h, TAG_TR, 0, NULL);
- tag[0].key = ATTR_STYLE;
- tag[0].val = "width: 50%;";
+ bufinit(h);
+ bufcat_style(h, "width", "50%");
+ PAIR_STYLE_INIT(&tag[0], h);
print_otag(h, TAG_TD, 1, tag);
print_text(h, b);
print_stagq(h, tt);
- tag[0].key = ATTR_STYLE;
- tag[0].val = "width: 50%; text-align: right;";
+ bufinit(h);
+ bufcat_style(h, "width", "50%");
+ bufcat_style(h, "text-align", "right");
+ PAIR_STYLE_INIT(&tag[0], h);
print_otag(h, TAG_TD, 1, tag);
if (m->source)
print_text(h, m->source);
static int
man_br_pre(MAN_ARGS)
{
- int len;
- struct htmlpair tag;
+ struct roffsu su;
+ struct htmlpair tag;
- switch (n->tok) {
- case (MAN_sp):
- len = n->child ? atoi(n->child->string) : 1;
- break;
- case (MAN_br):
- len = 0;
- break;
- default:
- len = 1;
- break;
- }
+ SCALE_VS_INIT(&su, 1);
+
+ if (MAN_sp == n->tok) {
+ su.scale = 1;
+ if (n->child)
+ a2roffsu(n->child->string, &su);
+ } else if (MAN_br == n->tok)
+ su.scale = 0;
- buffmt(h, "height: %dem;", len);
- tag.key = ATTR_STYLE;
- tag.val = h->buf;
+ bufcat_su(h, "height", &su);
+ PAIR_STYLE_INIT(&tag, h);
print_otag(h, TAG_DIV, 1, &tag);
- return(1);
+ return(0);
}
static int
man_SH_pre(MAN_ARGS)
{
- struct htmlpair tag[2];
+ struct htmlpair tag[2];
+ struct roffsu su;
if (MAN_BODY == n->type) {
- buffmt(h, "margin-left: %dem;", INDENT);
-
- tag[0].key = ATTR_CLASS;
- tag[0].val = "sec-body";
- tag[1].key = ATTR_STYLE;
- tag[1].val = h->buf;
-
+ SCALE_HS_INIT(&su, INDENT);
+ bufcat_su(h, "margin-left", &su);
+ PAIR_CLASS_INIT(&tag[0], "sec-body");
+ PAIR_STYLE_INIT(&tag[1], h);
print_otag(h, TAG_DIV, 2, tag);
return(1);
} else if (MAN_BLOCK == n->type) {
- tag[0].key = ATTR_CLASS;
- tag[0].val = "sec-block";
-
+ PAIR_CLASS_INIT(&tag[0], "sec-block");
if (n->prev && MAN_SH == n->prev->tok)
if (NULL == n->prev->body->child) {
print_otag(h, TAG_DIV, 1, tag);
return(1);
}
- bufcat(h, "margin-top: 1em;");
+ SCALE_VS_INIT(&su, 1);
+ bufcat_su(h, "margin-top", &su);
if (NULL == n->next)
- bufcat(h, "margin-bottom: 1em;");
-
- tag[1].key = ATTR_STYLE;
- tag[1].val = h->buf;
-
+ bufcat_su(h, "margin-bottom", &su);
+ PAIR_STYLE_INIT(&tag[1], h);
print_otag(h, TAG_DIV, 2, tag);
return(1);
}
- tag[0].key = ATTR_CLASS;
- tag[0].val = "sec-head";
-
+ PAIR_CLASS_INIT(&tag[0], "sec-head");
print_otag(h, TAG_DIV, 1, tag);
return(1);
}
+/* ARGSUSED */
+static int
+man_alt_pre(MAN_ARGS)
+{
+ const struct man_node *nn;
+ struct tag *t;
+ int i;
+ struct htmlpair tagi, tagb, *tagp;
+
+ PAIR_CLASS_INIT(&tagi, "italic");
+ PAIR_CLASS_INIT(&tagb, "bold");
+
+ for (i = 0, nn = n->child; nn; nn = nn->next, i++) {
+ switch (n->tok) {
+ case (MAN_BI):
+ tagp = i % 2 ? &tagi : &tagb;
+ break;
+ case (MAN_IB):
+ tagp = i % 2 ? &tagb : &tagi;
+ break;
+ case (MAN_RI):
+ tagp = i % 2 ? &tagi : NULL;
+ break;
+ case (MAN_IR):
+ tagp = i % 2 ? NULL : &tagi;
+ break;
+ case (MAN_BR):
+ tagp = i % 2 ? NULL : &tagb;
+ break;
+ case (MAN_RB):
+ tagp = i % 2 ? &tagb : NULL;
+ break;
+ default:
+ abort();
+ /* NOTREACHED */
+ }
+
+ if (i)
+ h->flags |= HTML_NOSPACE;
+
+ if (tagp) {
+ t = print_otag(h, TAG_SPAN, 1, tagp);
+ print_man_node(m, nn, h);
+ print_tagq(h, t);
+ } else
+ print_man_node(m, nn, h);
+ }
+
+ return(0);
+}
+
+
+/* ARGSUSED */
+static int
+man_SB_pre(MAN_ARGS)
+{
+ struct htmlpair tag;
+
+ PAIR_CLASS_INIT(&tag, "small bold");
+ print_otag(h, TAG_SPAN, 1, &tag);
+ return(1);
+}
+
+
+/* ARGSUSED */
+static int
+man_SM_pre(MAN_ARGS)
+{
+ struct htmlpair tag;
+
+ PAIR_CLASS_INIT(&tag, "small");
+ print_otag(h, TAG_SPAN, 1, &tag);
+ return(1);
+}
+
+
/* ARGSUSED */
static int
man_SS_pre(MAN_ARGS)
{
struct htmlpair tag[3];
- int i;
+ struct roffsu su;
- i = 0;
+ SCALE_VS_INIT(&su, 1);
if (MAN_BODY == n->type) {
- tag[i].key = ATTR_CLASS;
- tag[i++].val = "ssec-body";
-
+ PAIR_CLASS_INIT(&tag[0], "ssec-body");
if (n->parent->next && n->child) {
- bufcat(h, "margin-bottom: 1em;");
- tag[i].key = ATTR_STYLE;
- tag[i++].val = h->buf;
+ bufcat_su(h, "margin-bottom", &su);
+ PAIR_STYLE_INIT(&tag[1], h);
+ print_otag(h, TAG_DIV, 2, tag);
+ return(1);
}
- print_otag(h, TAG_DIV, i, tag);
+ print_otag(h, TAG_DIV, 1, tag);
return(1);
} else if (MAN_BLOCK == n->type) {
- tag[i].key = ATTR_CLASS;
- tag[i++].val = "ssec-block";
-
+ PAIR_CLASS_INIT(&tag[0], "ssec-block");
if (n->prev && MAN_SS == n->prev->tok)
if (n->prev->body->child) {
- bufcat(h, "margin-top: 1em;");
- tag[i].key = ATTR_STYLE;
- tag[i++].val = h->buf;
+ bufcat_su(h, "margin-top", &su);
+ PAIR_STYLE_INIT(&tag[1], h);
+ print_otag(h, TAG_DIV, 2, tag);
+ return(1);
}
- print_otag(h, TAG_DIV, i, tag);
+ print_otag(h, TAG_DIV, 1, tag);
return(1);
}
- buffmt(h, "margin-left: -%dem;", INDENT - HALFINDENT);
-
- tag[0].key = ATTR_CLASS;
- tag[0].val = "ssec-head";
- tag[1].key = ATTR_STYLE;
- tag[1].val = h->buf;
-
+ SCALE_HS_INIT(&su, INDENT - HALFINDENT);
+ bufcat_su(h, "margin-left", &su);
+ PAIR_CLASS_INIT(&tag[0], "ssec-head");
+ PAIR_STYLE_INIT(&tag[1], h);
print_otag(h, TAG_DIV, 2, tag);
return(1);
}
static int
man_PP_pre(MAN_ARGS)
{
- struct htmlpair tag;
+ struct htmlpair tag;
+ struct roffsu su;
+ int i;
if (MAN_BLOCK != n->type)
return(1);
- buffmt(h, "margin-left: %dem;", INDENT);
- if (n->next && n->next->child)
- bufcat(h, "margin-bottom: 1em;");
+ i = 0;
+
+ if (MAN_ROOT == n->parent->tok) {
+ SCALE_HS_INIT(&su, INDENT);
+ bufcat_su(h, "margin-left", &su);
+ i++;
+ }
+ if (n->next && n->next->child) {
+ SCALE_VS_INIT(&su, 1);
+ bufcat_su(h, "margin-bottom", &su);
+ i++;
+ }
+
+ PAIR_STYLE_INIT(&tag, h);
+ print_otag(h, TAG_DIV, i ? 1 : 0, &tag);
+ return(1);
+}
+
+
+/* ARGSUSED */
+static int
+man_IP_pre(MAN_ARGS)
+{
+ struct roffsu su;
+ struct htmlpair tag;
+ const struct man_node *nn;
+ int width;
+
+ /*
+ * This scattering of 1-BU margins and pads is to make sure that
+ * when text overruns its box, the subsequent text isn't flush
+ * up against it. However, the rest of the right-hand box must
+ * also be adjusted in consideration of this 1-BU space.
+ */
+
+ if (MAN_BODY == n->type) {
+ SCALE_HS_INIT(&su, INDENT);
+ bufcat_su(h, "margin-left", &su);
+ PAIR_STYLE_INIT(&tag, h);
+ print_otag(h, TAG_DIV, 1, &tag);
+ return(1);
+ }
+
+ nn = MAN_BLOCK == n->type ?
+ n->head->child : n->parent->head->child;
+
+ SCALE_HS_INIT(&su, INDENT);
+ width = 0;
+
+ if (MAN_IP == n->tok && NULL != nn)
+ if (NULL != (nn = nn->next)) {
+ for ( ; nn->next; nn = nn->next)
+ /* Do nothing. */ ;
+ width = a2width(nn, &su);
+ }
+
+ if (MAN_TP == n->tok && NULL != nn)
+ width = a2width(nn, &su);
+
+ if (MAN_BLOCK == n->type) {
+ bufcat_su(h, "margin-left", &su);
+ SCALE_VS_INIT(&su, 1);
+ bufcat_su(h, "margin-top", &su);
+ bufcat_style(h, "clear", "both");
+ PAIR_STYLE_INIT(&tag, h);
+ print_otag(h, TAG_DIV, 1, &tag);
+ return(1);
+ }
+
+ bufcat_su(h, "min-width", &su);
+ SCALE_INVERT(&su);
+ bufcat_su(h, "margin-left", &su);
+ SCALE_HS_INIT(&su, 1);
+ bufcat_su(h, "margin-right", &su);
+ bufcat_style(h, "clear", "left");
+
+ if (n->next && n->next->child)
+ bufcat_style(h, "float", "left");
+
+ PAIR_STYLE_INIT(&tag, h);
+ print_otag(h, TAG_DIV, 1, &tag);
+
+ /* With a length string, manually omit the last child. */
+
+ if ( ! width)
+ return(1);
+
+ if (MAN_IP == n->tok)
+ for (nn = n->child; nn->next; nn = nn->next)
+ print_man_node(m, nn, h);
+ if (MAN_TP == n->tok)
+ for (nn = n->child->next; nn; nn = nn->next)
+ print_man_node(m, nn, h);
+
+ return(0);
+}
+
+
+/* ARGSUSED */
+static int
+man_HP_pre(MAN_ARGS)
+{
+ const struct man_node *nn;
+ struct htmlpair tag;
+ struct roffsu su;
+
+ if (MAN_HEAD == n->type)
+ return(0);
+
+ nn = MAN_BLOCK == n->type ?
+ n->head->child : n->parent->head->child;
+
+ SCALE_HS_INIT(&su, INDENT);
+
+ if (NULL != nn)
+ (void)a2width(nn, &su);
+
+ if (MAN_BLOCK == n->type) {
+ bufcat_su(h, "margin-left", &su);
+ SCALE_VS_INIT(&su, 1);
+ bufcat_su(h, "margin-top", &su);
+ bufcat_style(h, "clear", "both");
+ PAIR_STYLE_INIT(&tag, h);
+ print_otag(h, TAG_DIV, 1, &tag);
+ return(1);
+ }
+
+ bufcat_su(h, "margin-left", &su);
+ SCALE_INVERT(&su);
+ bufcat_su(h, "text-indent", &su);
+
+ PAIR_STYLE_INIT(&tag, h);
+ print_otag(h, TAG_DIV, 1, &tag);
+ return(1);
+}
+
+
+/* ARGSUSED */
+static int
+man_B_pre(MAN_ARGS)
+{
+ struct htmlpair tag;
+
+ PAIR_CLASS_INIT(&tag, "bold");
+ print_otag(h, TAG_SPAN, 1, &tag);
+ return(1);
+}
+
+
+/* ARGSUSED */
+static int
+man_I_pre(MAN_ARGS)
+{
+ struct htmlpair tag;
+
+ PAIR_CLASS_INIT(&tag, "italic");
+ print_otag(h, TAG_SPAN, 1, &tag);
+ return(1);
+}
+
+
+/* ARGSUSED */
+static int
+man_ign_pre(MAN_ARGS)
+{
+
+ return(0);
+}
+
+
+/* ARGSUSED */
+static int
+man_RS_pre(MAN_ARGS)
+{
+ struct htmlpair tag;
+ struct roffsu su;
+
+ if (MAN_HEAD == n->type)
+ return(0);
+ else if (MAN_BODY == n->type)
+ return(1);
+
+ SCALE_HS_INIT(&su, INDENT);
+ bufcat_su(h, "margin-left", &su);
+
+ if (n->head->child) {
+ SCALE_VS_INIT(&su, 1);
+ a2width(n->head->child, &su);
+ bufcat_su(h, "margin-top", &su);
+ }
- tag.key = ATTR_STYLE;
- tag.val = h->buf;
+ PAIR_STYLE_INIT(&tag, h);
print_otag(h, TAG_DIV, 1, &tag);
return(1);
}