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authorKristaps Dzonsons <kristaps@bsd.lv>2009-10-07 12:35:23 +0000
committerKristaps Dzonsons <kristaps@bsd.lv>2009-10-07 12:35:23 +0000
commitb1d01845c639c88ae33f1eacfd22f93f7b6c10d9 (patch)
tree66e409a37178009108cb0878b6ed8868d675fbcb /man_html.c
parent079d090f0a85bd902f66ca40325bf416797af9b9 (diff)
downloadmandoc-b1d01845c639c88ae33f1eacfd22f93f7b6c10d9.tar.gz
Additions to -Tman -Thtml: all structural components tested & in place.
Fitted both -Thtml with handling of arbitrary vertical and horizontal scaling units (see groff(7)). Undocumented until fitted into -Tascii (next release).
Diffstat (limited to 'man_html.c')
-rw-r--r--man_html.c281
1 files changed, 137 insertions, 144 deletions
diff --git a/man_html.c b/man_html.c
index 0adbd871..62292a17 100644
--- a/man_html.c
+++ b/man_html.c
@@ -24,6 +24,7 @@
#include <stdlib.h>
#include <string.h>
+#include "out.h"
#include "html.h"
#include "man.h"
@@ -46,7 +47,8 @@ static void print_man_head(MAN_ARGS);
static void print_man_nodelist(MAN_ARGS);
static void print_man_node(MAN_ARGS);
-static int a2width(const struct man_node *);
+static int a2width(const struct man_node *,
+ struct roffsu *);
static int man_br_pre(MAN_ARGS);
static int man_HP_pre(MAN_ARGS);
@@ -207,30 +209,15 @@ print_man_node(MAN_ARGS)
static int
-a2width(const struct man_node *n)
+a2width(const struct man_node *n, struct roffsu *su)
{
- int i, len;
- const char *p;
if (MAN_TEXT != n->type)
- return(-1);
-
- p = n->string;
-
- if (0 == (len = (int)strlen(p)))
- return(-1);
-
- for (i = 0; i < len; i++)
- if ( ! isdigit((u_char)p[i]))
- break;
-
- if (i == len - 1) {
- if ('n' == p[len - 1] || 'm' == p[len - 1])
- return(atoi(p));
- } else if (i == len)
- return(atoi(p));
+ return(0);
+ if (a2roffsu(n->string, su))
+ return(1);
- return(-1);
+ return(0);
}
@@ -249,31 +236,35 @@ 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);
}
@@ -292,21 +283,23 @@ man_root_post(MAN_ARGS)
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);
@@ -319,26 +312,22 @@ man_root_post(MAN_ARGS)
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);
}
@@ -346,42 +335,34 @@ man_br_pre(MAN_ARGS)
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);
}
@@ -392,44 +373,39 @@ 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);
}
@@ -440,6 +416,7 @@ static int
man_PP_pre(MAN_ARGS)
{
struct htmlpair tag;
+ struct roffsu su;
int i;
if (MAN_BLOCK != n->type)
@@ -448,17 +425,18 @@ man_PP_pre(MAN_ARGS)
i = 0;
if (MAN_ROOT == n->parent->tok) {
- buffmt(h, "margin-left: %dem;", INDENT);
- i = 1;
+ SCALE_HS_INIT(&su, INDENT);
+ bufcat_su(h, "margin-left", &su);
+ i++;
}
if (n->next && n->next->child) {
- i = 1;
- bufcat(h, "margin-bottom: 1em;");
+ SCALE_VS_INIT(&su, 1);
+ bufcat_su(h, "margin-bottom", &su);
+ i++;
}
- tag.key = ATTR_STYLE;
- tag.val = h->buf;
- print_otag(h, TAG_DIV, i, &tag);
+ PAIR_STYLE_INIT(&tag, h);
+ print_otag(h, TAG_DIV, i ? 1 : 0, &tag);
return(1);
}
@@ -467,58 +445,74 @@ man_PP_pre(MAN_ARGS)
static int
man_IP_pre(MAN_ARGS)
{
+ struct roffsu su;
struct htmlpair tag;
- int len, ival;
const struct man_node *nn;
-
- if (MAN_BODY == n->type) {
- print_otag(h, TAG_DIV, 0, NULL);
+ 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;
- len = INDENT;
- ival = -1;
- /* Calculate the indentation length. */
+ SCALE_HS_INIT(&su, INDENT);
+ width = 0;
- if (NULL != nn)
+ if (MAN_IP == n->tok && NULL != nn)
if (NULL != (nn = nn->next)) {
for ( ; nn->next; nn = nn->next)
/* Do nothing. */ ;
- if ((ival = a2width(nn)) >= 0)
- len = ival;
+ width = a2width(nn, &su);
}
+ if (MAN_TP == n->tok && NULL != nn)
+ width = a2width(nn, &su);
+
if (MAN_BLOCK == n->type) {
- buffmt(h, "clear: both; margin-left: %dem;", len);
- tag.key = ATTR_STYLE;
- tag.val = h->buf;
+ bufcat_su(h, "margin-left", &su);
+ bufcat_style(h, "clear", "both");
+ PAIR_STYLE_INIT(&tag, h);
print_otag(h, TAG_DIV, 1, &tag);
return(1);
}
- /* If there's an indent string, print it out. */
-
- buffmt(h, "margin-left: -%dem; min-width: %dem;",
- len, len - 1);
- bufcat(h, "clear: left; padding-right: 1em;");
+ 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(h, "float: left;");
+ bufcat_style(h, "float", "left");
- tag.key = ATTR_STYLE;
- tag.val = h->buf;
+ PAIR_STYLE_INIT(&tag, h);
print_otag(h, TAG_DIV, 1, &tag);
- if (ival < 0)
- return(1);
+ /* With a length string, manually omit the last child. */
- /* With a length string, omit the last child. */
+ if ( ! width)
+ return(1);
- for (nn = n->child; nn->next; nn = nn->next)
- print_man_node(m, nn, h);
+ 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);
}
@@ -528,9 +522,9 @@ man_IP_pre(MAN_ARGS)
static int
man_HP_pre(MAN_ARGS)
{
- int ival, len;
const struct man_node *nn;
struct htmlpair tag;
+ struct roffsu su;
if (MAN_HEAD == n->type)
return(0);
@@ -538,26 +532,25 @@ man_HP_pre(MAN_ARGS)
nn = MAN_BLOCK == n->type ?
n->head->child : n->parent->head->child;
- len = INDENT;
+ SCALE_HS_INIT(&su, INDENT);
if (NULL != nn)
- if ((ival = a2width(nn)) >= 0)
- len = ival;
+ (void)a2width(nn, &su);
if (MAN_BLOCK == n->type) {
- buffmt(h, "clear: both; margin-left: %dem;", len);
- tag.key = ATTR_STYLE;
- tag.val = h->buf;
+ bufcat_su(h, "margin-left", &su);
+ bufcat_style(h, "clear", "both");
+ PAIR_STYLE_INIT(&tag, h);
print_otag(h, TAG_DIV, 1, &tag);
return(1);
}
- buffmt(h, "text-indent: -%dem;", len);
+ bufcat_su(h, "margin-left", &su);
+ SCALE_INVERT(&su);
+ bufcat_su(h, "text-indent", &su);
- tag.key = ATTR_STYLE;
- tag.val = h->buf;
+ PAIR_STYLE_INIT(&tag, h);
print_otag(h, TAG_DIV, 1, &tag);
-
return(1);
}