version 1.230, 2018/05/28 14:13:36 |
version 1.267, 2020/04/08 11:56:03 |
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/* $Id$ */ |
/* $Id$ */ |
/* |
/* |
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* Copyright (c) 2011-2015, 2017-2020 Ingo Schwarze <schwarze@openbsd.org> |
* Copyright (c) 2008-2011, 2014 Kristaps Dzonsons <kristaps@bsd.lv> |
* Copyright (c) 2008-2011, 2014 Kristaps Dzonsons <kristaps@bsd.lv> |
* Copyright (c) 2011-2015, 2017, 2018 Ingo Schwarze <schwarze@openbsd.org> |
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* |
* |
* Permission to use, copy, modify, and distribute this software for any |
* Permission to use, copy, modify, and distribute this software for any |
* purpose with or without fee is hereby granted, provided that the above |
* purpose with or without fee is hereby granted, provided that the above |
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
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* |
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* Common functions for mandoc(1) HTML formatters. |
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* For use by individual formatters and by the main program. |
*/ |
*/ |
#include "config.h" |
#include "config.h" |
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#include <sys/types.h> |
#include <sys/types.h> |
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#include <sys/stat.h> |
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#include <assert.h> |
#include <assert.h> |
#include <ctype.h> |
#include <ctype.h> |
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struct htmldata { |
struct htmldata { |
const char *name; |
const char *name; |
int flags; |
int flags; |
#define HTML_NOSTACK (1 << 0) |
#define HTML_INPHRASE (1 << 0) /* Can appear in phrasing context. */ |
#define HTML_AUTOCLOSE (1 << 1) |
#define HTML_TOPHRASE (1 << 1) /* Establishes phrasing context. */ |
#define HTML_NLBEFORE (1 << 2) |
#define HTML_NOSTACK (1 << 2) /* Does not have an end tag. */ |
#define HTML_NLBEGIN (1 << 3) |
#define HTML_NLBEFORE (1 << 3) /* Output line break before opening. */ |
#define HTML_NLEND (1 << 4) |
#define HTML_NLBEGIN (1 << 4) /* Output line break after opening. */ |
#define HTML_NLAFTER (1 << 5) |
#define HTML_NLEND (1 << 5) /* Output line break before closing. */ |
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#define HTML_NLAFTER (1 << 6) /* Output line break after closing. */ |
#define HTML_NLAROUND (HTML_NLBEFORE | HTML_NLAFTER) |
#define HTML_NLAROUND (HTML_NLBEFORE | HTML_NLAFTER) |
#define HTML_NLINSIDE (HTML_NLBEGIN | HTML_NLEND) |
#define HTML_NLINSIDE (HTML_NLBEGIN | HTML_NLEND) |
#define HTML_NLALL (HTML_NLAROUND | HTML_NLINSIDE) |
#define HTML_NLALL (HTML_NLAROUND | HTML_NLINSIDE) |
#define HTML_INDENT (1 << 6) |
#define HTML_INDENT (1 << 7) /* Indent content by two spaces. */ |
#define HTML_NOINDENT (1 << 7) |
#define HTML_NOINDENT (1 << 8) /* Exception: never indent content. */ |
}; |
}; |
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static const struct htmldata htmltags[TAG_MAX] = { |
static const struct htmldata htmltags[TAG_MAX] = { |
{"html", HTML_NLALL}, |
{"html", HTML_NLALL}, |
{"head", HTML_NLALL | HTML_INDENT}, |
{"head", HTML_NLALL | HTML_INDENT}, |
{"body", HTML_NLALL}, |
{"meta", HTML_NOSTACK | HTML_NLALL}, |
{"meta", HTML_NOSTACK | HTML_AUTOCLOSE | HTML_NLALL}, |
{"link", HTML_NOSTACK | HTML_NLALL}, |
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{"style", HTML_NLALL | HTML_INDENT}, |
{"title", HTML_NLAROUND}, |
{"title", HTML_NLAROUND}, |
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{"body", HTML_NLALL}, |
{"div", HTML_NLAROUND}, |
{"div", HTML_NLAROUND}, |
{"div", 0}, |
{"section", HTML_NLALL}, |
{"h1", HTML_NLAROUND}, |
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{"h2", HTML_NLAROUND}, |
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{"span", 0}, |
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{"link", HTML_NOSTACK | HTML_AUTOCLOSE | HTML_NLALL}, |
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{"br", HTML_NOSTACK | HTML_AUTOCLOSE | HTML_NLALL}, |
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{"a", 0}, |
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{"table", HTML_NLALL | HTML_INDENT}, |
{"table", HTML_NLALL | HTML_INDENT}, |
{"colgroup", HTML_NLALL | HTML_INDENT}, |
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{"col", HTML_NOSTACK | HTML_AUTOCLOSE | HTML_NLALL}, |
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{"tr", HTML_NLALL | HTML_INDENT}, |
{"tr", HTML_NLALL | HTML_INDENT}, |
{"td", HTML_NLAROUND}, |
{"td", HTML_NLAROUND}, |
{"li", HTML_NLAROUND | HTML_INDENT}, |
{"li", HTML_NLAROUND | HTML_INDENT}, |
Line 79 static const struct htmldata htmltags[TAG_MAX] = { |
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Line 78 static const struct htmldata htmltags[TAG_MAX] = { |
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{"dl", HTML_NLALL | HTML_INDENT}, |
{"dl", HTML_NLALL | HTML_INDENT}, |
{"dt", HTML_NLAROUND}, |
{"dt", HTML_NLAROUND}, |
{"dd", HTML_NLAROUND | HTML_INDENT}, |
{"dd", HTML_NLAROUND | HTML_INDENT}, |
{"pre", HTML_NLALL | HTML_NOINDENT}, |
{"h1", HTML_TOPHRASE | HTML_NLAROUND}, |
{"var", 0}, |
{"h2", HTML_TOPHRASE | HTML_NLAROUND}, |
{"cite", 0}, |
{"p", HTML_TOPHRASE | HTML_NLAROUND | HTML_INDENT}, |
{"b", 0}, |
{"pre", HTML_TOPHRASE | HTML_NLALL | HTML_NOINDENT}, |
{"i", 0}, |
{"a", HTML_INPHRASE | HTML_TOPHRASE}, |
{"code", 0}, |
{"b", HTML_INPHRASE | HTML_TOPHRASE}, |
{"small", 0}, |
{"cite", HTML_INPHRASE | HTML_TOPHRASE}, |
{"style", HTML_NLALL | HTML_INDENT}, |
{"code", HTML_INPHRASE | HTML_TOPHRASE}, |
{"math", HTML_NLALL | HTML_INDENT}, |
{"i", HTML_INPHRASE | HTML_TOPHRASE}, |
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{"small", HTML_INPHRASE | HTML_TOPHRASE}, |
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{"span", HTML_INPHRASE | HTML_TOPHRASE}, |
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{"var", HTML_INPHRASE | HTML_TOPHRASE}, |
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{"br", HTML_INPHRASE | HTML_NOSTACK | HTML_NLALL}, |
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{"mark", HTML_INPHRASE }, |
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{"math", HTML_INPHRASE | HTML_NLALL | HTML_INDENT}, |
{"mrow", 0}, |
{"mrow", 0}, |
{"mi", 0}, |
{"mi", 0}, |
{"mn", 0}, |
{"mn", 0}, |
Line 106 static const struct htmldata htmltags[TAG_MAX] = { |
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Line 111 static const struct htmldata htmltags[TAG_MAX] = { |
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{"mover", 0}, |
{"mover", 0}, |
}; |
}; |
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static const char *const roffscales[SCALE_MAX] = { |
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"cm", /* SCALE_CM */ |
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"in", /* SCALE_IN */ |
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"pc", /* SCALE_PC */ |
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"pt", /* SCALE_PT */ |
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"em", /* SCALE_EM */ |
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"em", /* SCALE_MM */ |
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"ex", /* SCALE_EN */ |
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"ex", /* SCALE_BU */ |
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"em", /* SCALE_VS */ |
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"ex", /* SCALE_FS */ |
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}; |
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/* Avoid duplicate HTML id= attributes. */ |
/* Avoid duplicate HTML id= attributes. */ |
static struct ohash id_unique; |
static struct ohash id_unique; |
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static void a2width(const char *, struct roffsu *); |
static void html_reset_internal(struct html *); |
static void print_byte(struct html *, char); |
static void print_byte(struct html *, char); |
static void print_endword(struct html *); |
static void print_endword(struct html *); |
static void print_indent(struct html *); |
static void print_indent(struct html *); |
Line 132 static void print_ctag(struct html *, struct tag *); |
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Line 124 static void print_ctag(struct html *, struct tag *); |
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static int print_escape(struct html *, char); |
static int print_escape(struct html *, char); |
static int print_encode(struct html *, const char *, const char *, int); |
static int print_encode(struct html *, const char *, const char *, int); |
static void print_href(struct html *, const char *, const char *, int); |
static void print_href(struct html *, const char *, const char *, int); |
static void print_metaf(struct html *, enum mandoc_esc); |
static void print_metaf(struct html *); |
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void * |
void * |
Line 144 html_alloc(const struct manoutput *outopts) |
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Line 136 html_alloc(const struct manoutput *outopts) |
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h->tag = NULL; |
h->tag = NULL; |
h->style = outopts->style; |
h->style = outopts->style; |
h->base_man = outopts->man; |
if ((h->base_man1 = outopts->man) == NULL) |
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h->base_man2 = NULL; |
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else if ((h->base_man2 = strchr(h->base_man1, ';')) != NULL) |
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*h->base_man2++ = '\0'; |
h->base_includes = outopts->includes; |
h->base_includes = outopts->includes; |
if (outopts->fragment) |
if (outopts->fragment) |
h->oflags |= HTML_FRAGMENT; |
h->oflags |= HTML_FRAGMENT; |
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if (outopts->toc) |
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h->oflags |= HTML_TOC; |
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mandoc_ohash_init(&id_unique, 4, 0); |
mandoc_ohash_init(&id_unique, 4, 0); |
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return h; |
return h; |
} |
} |
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void |
static void |
html_free(void *p) |
html_reset_internal(struct html *h) |
{ |
{ |
struct tag *tag; |
struct tag *tag; |
struct html *h; |
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char *cp; |
char *cp; |
unsigned int slot; |
unsigned int slot; |
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h = (struct html *)p; |
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while ((tag = h->tag) != NULL) { |
while ((tag = h->tag) != NULL) { |
h->tag = tag->next; |
h->tag = tag->next; |
free(tag); |
free(tag); |
} |
} |
free(h); |
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cp = ohash_first(&id_unique, &slot); |
cp = ohash_first(&id_unique, &slot); |
while (cp != NULL) { |
while (cp != NULL) { |
free(cp); |
free(cp); |
Line 178 html_free(void *p) |
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Line 171 html_free(void *p) |
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} |
} |
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void |
void |
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html_reset(void *p) |
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{ |
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html_reset_internal(p); |
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mandoc_ohash_init(&id_unique, 4, 0); |
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} |
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void |
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html_free(void *p) |
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{ |
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html_reset_internal(p); |
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free(p); |
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} |
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void |
print_gen_head(struct html *h) |
print_gen_head(struct html *h) |
{ |
{ |
struct tag *t; |
struct tag *t; |
Line 200 print_gen_head(struct html *h) |
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Line 207 print_gen_head(struct html *h) |
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print_endline(h); |
print_endline(h); |
print_text(h, "td.head-vol { text-align: center; }"); |
print_text(h, "td.head-vol { text-align: center; }"); |
print_endline(h); |
print_endline(h); |
print_text(h, "div.Pp { margin: 1ex 0ex; }"); |
print_text(h, ".Nd, .Bf, .Op { display: inline; }"); |
print_endline(h); |
print_endline(h); |
print_text(h, "div.Nd, div.Bf, div.Op { display: inline; }"); |
print_text(h, ".Pa, .Ad { font-style: italic; }"); |
print_endline(h); |
print_endline(h); |
print_text(h, "span.Pa, span.Ad { font-style: italic; }"); |
print_text(h, ".Ms { font-weight: bold; }"); |
print_endline(h); |
print_endline(h); |
print_text(h, "span.Ms { font-weight: bold; }"); |
print_text(h, ".Bl-diag "); |
print_endline(h); |
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print_text(h, "dl.Bl-diag "); |
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print_byte(h, '>'); |
print_byte(h, '>'); |
print_text(h, " dt { font-weight: bold; }"); |
print_text(h, " dt { font-weight: bold; }"); |
print_endline(h); |
print_endline(h); |
print_text(h, "code.Nm, code.Fl, code.Cm, code.Ic, " |
print_text(h, "code.Nm, .Fl, .Cm, .Ic, code.In, .Fd, .Fn, .Cd " |
"code.In, code.Fd, code.Fn,"); |
"{ font-weight: bold; font-family: inherit; }"); |
print_endline(h); |
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print_text(h, "code.Cd { font-weight: bold; " |
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"font-family: inherit; }"); |
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print_tagq(h, t); |
print_tagq(h, t); |
} |
} |
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static void |
int |
print_metaf(struct html *h, enum mandoc_esc deco) |
html_setfont(struct html *h, enum mandoc_esc font) |
{ |
{ |
enum htmlfont font; |
switch (font) { |
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switch (deco) { |
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case ESCAPE_FONTPREV: |
case ESCAPE_FONTPREV: |
font = h->metal; |
font = h->metal; |
break; |
break; |
case ESCAPE_FONTITALIC: |
case ESCAPE_FONTITALIC: |
font = HTMLFONT_ITALIC; |
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break; |
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case ESCAPE_FONTBOLD: |
case ESCAPE_FONTBOLD: |
font = HTMLFONT_BOLD; |
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break; |
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case ESCAPE_FONTBI: |
case ESCAPE_FONTBI: |
font = HTMLFONT_BI; |
case ESCAPE_FONTCW: |
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case ESCAPE_FONTROMAN: |
break; |
break; |
case ESCAPE_FONT: |
case ESCAPE_FONT: |
case ESCAPE_FONTROMAN: |
font = ESCAPE_FONTROMAN; |
font = HTMLFONT_NONE; |
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break; |
break; |
default: |
default: |
abort(); |
return 0; |
} |
} |
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h->metal = h->metac; |
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h->metac = font; |
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return 1; |
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} |
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static void |
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print_metaf(struct html *h) |
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{ |
if (h->metaf) { |
if (h->metaf) { |
print_tagq(h, h->metaf); |
print_tagq(h, h->metaf); |
h->metaf = NULL; |
h->metaf = NULL; |
} |
} |
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switch (h->metac) { |
h->metal = h->metac; |
case ESCAPE_FONTITALIC: |
h->metac = font; |
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switch (font) { |
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case HTMLFONT_ITALIC: |
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h->metaf = print_otag(h, TAG_I, ""); |
h->metaf = print_otag(h, TAG_I, ""); |
break; |
break; |
case HTMLFONT_BOLD: |
case ESCAPE_FONTBOLD: |
h->metaf = print_otag(h, TAG_B, ""); |
h->metaf = print_otag(h, TAG_B, ""); |
break; |
break; |
case HTMLFONT_BI: |
case ESCAPE_FONTBI: |
h->metaf = print_otag(h, TAG_B, ""); |
h->metaf = print_otag(h, TAG_B, ""); |
print_otag(h, TAG_I, ""); |
print_otag(h, TAG_I, ""); |
break; |
break; |
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case ESCAPE_FONTCW: |
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h->metaf = print_otag(h, TAG_SPAN, "c", "Li"); |
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break; |
default: |
default: |
break; |
break; |
} |
} |
} |
} |
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void |
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html_close_paragraph(struct html *h) |
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{ |
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struct tag *this, *next; |
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int flags; |
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this = h->tag; |
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for (;;) { |
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next = this->next; |
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flags = htmltags[this->tag].flags; |
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if (flags & (HTML_INPHRASE | HTML_TOPHRASE)) |
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print_ctag(h, this); |
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if ((flags & HTML_INPHRASE) == 0) |
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break; |
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this = next; |
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} |
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} |
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/* |
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* ROFF_nf switches to no-fill mode, ROFF_fi to fill mode. |
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* TOKEN_NONE does not switch. The old mode is returned. |
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*/ |
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enum roff_tok |
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html_fillmode(struct html *h, enum roff_tok want) |
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{ |
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struct tag *t; |
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enum roff_tok had; |
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for (t = h->tag; t != NULL; t = t->next) |
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if (t->tag == TAG_PRE) |
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break; |
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had = t == NULL ? ROFF_fi : ROFF_nf; |
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if (want != had) { |
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switch (want) { |
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case ROFF_fi: |
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print_tagq(h, t); |
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break; |
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case ROFF_nf: |
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html_close_paragraph(h); |
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print_otag(h, TAG_PRE, ""); |
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break; |
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case TOKEN_NONE: |
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break; |
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default: |
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abort(); |
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} |
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} |
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return had; |
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} |
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/* |
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* Allocate a string to be used for the "id=" attribute of an HTML |
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* element and/or as a segment identifier for a URI in an <a> element. |
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* The function may fail and return NULL if the node lacks text data |
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* to create the attribute from. |
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* If the "unique" argument is 0, the caller is responsible for |
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* free(3)ing the returned string after using it. |
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* If the "unique" argument is non-zero, the "id_unique" ohash table |
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* is used for de-duplication and owns the returned string, so the |
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* caller must not free(3) it. In this case, it will be freed |
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* automatically by html_reset() or html_free(). |
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*/ |
char * |
char * |
html_make_id(const struct roff_node *n, int unique) |
html_make_id(const struct roff_node *n, int unique) |
{ |
{ |
Line 278 html_make_id(const struct roff_node *n, int unique) |
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Line 344 html_make_id(const struct roff_node *n, int unique) |
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unsigned int slot; |
unsigned int slot; |
int suffix; |
int suffix; |
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for (nch = n->child; nch != NULL; nch = nch->next) |
if (n->tag != NULL) |
if (nch->type != ROFFT_TEXT) |
buf = mandoc_strdup(n->tag); |
return NULL; |
else { |
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switch (n->tok) { |
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case MDOC_Sh: |
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case MDOC_Ss: |
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case MDOC_Sx: |
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case MAN_SH: |
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case MAN_SS: |
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for (nch = n->child; nch != NULL; nch = nch->next) |
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if (nch->type != ROFFT_TEXT) |
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return NULL; |
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buf = NULL; |
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deroff(&buf, n); |
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if (buf == NULL) |
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return NULL; |
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break; |
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default: |
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if (n->child == NULL || n->child->type != ROFFT_TEXT) |
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return NULL; |
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buf = mandoc_strdup(n->child->string); |
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break; |
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} |
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} |
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buf = NULL; |
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deroff(&buf, n); |
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if (buf == NULL) |
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return NULL; |
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/* |
/* |
* In ID attributes, only use ASCII characters that are |
* In ID attributes, only use ASCII characters that are |
* permitted in URL-fragment strings according to the |
* permitted in URL-fragment strings according to the |
Line 326 html_make_id(const struct roff_node *n, int unique) |
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Line 408 html_make_id(const struct roff_node *n, int unique) |
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return buf; |
return buf; |
} |
} |
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int |
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html_strlen(const char *cp) |
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{ |
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size_t rsz; |
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int skip, sz; |
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/* |
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* Account for escaped sequences within string length |
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* calculations. This follows the logic in term_strlen() as we |
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* must calculate the width of produced strings. |
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* Assume that characters are always width of "1". This is |
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* hacky, but it gets the job done for approximation of widths. |
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*/ |
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sz = 0; |
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skip = 0; |
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while (1) { |
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rsz = strcspn(cp, "\\"); |
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if (rsz) { |
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cp += rsz; |
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if (skip) { |
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skip = 0; |
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rsz--; |
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} |
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sz += rsz; |
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} |
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if ('\0' == *cp) |
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break; |
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cp++; |
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switch (mandoc_escape(&cp, NULL, NULL)) { |
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case ESCAPE_ERROR: |
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return sz; |
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case ESCAPE_UNICODE: |
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case ESCAPE_NUMBERED: |
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case ESCAPE_SPECIAL: |
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case ESCAPE_OVERSTRIKE: |
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if (skip) |
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skip = 0; |
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else |
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sz++; |
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break; |
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case ESCAPE_SKIPCHAR: |
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skip = 1; |
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break; |
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default: |
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break; |
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} |
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} |
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return sz; |
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} |
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static int |
static int |
print_escape(struct html *h, char c) |
print_escape(struct html *h, char c) |
{ |
{ |
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print_encode(struct html *h, const char *p, const char *pend, int norecurse) |
print_encode(struct html *h, const char *p, const char *pend, int norecurse) |
{ |
{ |
char numbuf[16]; |
char numbuf[16]; |
struct tag *t; |
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const char *seq; |
const char *seq; |
size_t sz; |
size_t sz; |
int c, len, breakline, nospace; |
int c, len, breakline, nospace; |
Line 438 print_encode(struct html *h, const char *p, const char |
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Line 468 print_encode(struct html *h, const char *p, const char |
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if (breakline && |
if (breakline && |
(p >= pend || *p == ' ' || *p == ASCII_NBRSP)) { |
(p >= pend || *p == ' ' || *p == ASCII_NBRSP)) { |
t = print_otag(h, TAG_DIV, ""); |
print_otag(h, TAG_BR, ""); |
print_text(h, "\\~"); |
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print_tagq(h, t); |
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breakline = 0; |
breakline = 0; |
while (p < pend && (*p == ' ' || *p == ASCII_NBRSP)) |
while (p < pend && (*p == ' ' || *p == ASCII_NBRSP)) |
p++; |
p++; |
Line 460 print_encode(struct html *h, const char *p, const char |
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Line 488 print_encode(struct html *h, const char *p, const char |
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continue; |
continue; |
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esc = mandoc_escape(&p, &seq, &len); |
esc = mandoc_escape(&p, &seq, &len); |
if (ESCAPE_ERROR == esc) |
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break; |
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switch (esc) { |
switch (esc) { |
case ESCAPE_FONT: |
case ESCAPE_FONT: |
case ESCAPE_FONTPREV: |
case ESCAPE_FONTPREV: |
case ESCAPE_FONTBOLD: |
case ESCAPE_FONTBOLD: |
case ESCAPE_FONTITALIC: |
case ESCAPE_FONTITALIC: |
case ESCAPE_FONTBI: |
case ESCAPE_FONTBI: |
|
case ESCAPE_FONTCW: |
case ESCAPE_FONTROMAN: |
case ESCAPE_FONTROMAN: |
if (0 == norecurse) |
if (0 == norecurse) { |
print_metaf(h, esc); |
h->flags |= HTML_NOSPACE; |
|
if (html_setfont(h, esc)) |
|
print_metaf(h); |
|
h->flags &= ~HTML_NOSPACE; |
|
} |
continue; |
continue; |
case ESCAPE_SKIPCHAR: |
case ESCAPE_SKIPCHAR: |
h->flags |= HTML_SKIPCHAR; |
h->flags |= HTML_SKIPCHAR; |
continue; |
continue; |
|
case ESCAPE_ERROR: |
|
continue; |
default: |
default: |
break; |
break; |
} |
} |
Line 500 print_encode(struct html *h, const char *p, const char |
|
Line 532 print_encode(struct html *h, const char *p, const char |
|
if (c <= 0) |
if (c <= 0) |
continue; |
continue; |
break; |
break; |
|
case ESCAPE_UNDEF: |
|
c = *seq; |
|
break; |
|
case ESCAPE_DEVICE: |
|
print_word(h, "html"); |
|
continue; |
case ESCAPE_BREAK: |
case ESCAPE_BREAK: |
breakline = 1; |
breakline = 1; |
continue; |
continue; |
Line 531 print_encode(struct html *h, const char *p, const char |
|
Line 569 print_encode(struct html *h, const char *p, const char |
|
static void |
static void |
print_href(struct html *h, const char *name, const char *sec, int man) |
print_href(struct html *h, const char *name, const char *sec, int man) |
{ |
{ |
|
struct stat sb; |
const char *p, *pp; |
const char *p, *pp; |
|
char *filename; |
|
|
pp = man ? h->base_man : h->base_includes; |
if (man) { |
|
pp = h->base_man1; |
|
if (h->base_man2 != NULL) { |
|
mandoc_asprintf(&filename, "%s.%s", name, sec); |
|
if (stat(filename, &sb) == -1) |
|
pp = h->base_man2; |
|
free(filename); |
|
} |
|
} else |
|
pp = h->base_includes; |
|
|
while ((p = strchr(pp, '%')) != NULL) { |
while ((p = strchr(pp, '%')) != NULL) { |
print_encode(h, pp, p, 1); |
print_encode(h, pp, p, 1); |
if (man && p[1] == 'S') { |
if (man && p[1] == 'S') { |
|
|
print_otag(struct html *h, enum htmltag tag, const char *fmt, ...) |
print_otag(struct html *h, enum htmltag tag, const char *fmt, ...) |
{ |
{ |
va_list ap; |
va_list ap; |
struct roffsu mysu, *su; |
|
char numbuf[16]; |
|
struct tag *t; |
struct tag *t; |
const char *attr; |
const char *attr; |
char *arg1, *arg2; |
char *arg1, *arg2; |
double v; |
int style_written, tflags; |
int i, have_style, tflags; |
|
|
|
tflags = htmltags[tag].flags; |
tflags = htmltags[tag].flags; |
|
|
|
/* Flow content is not allowed in phrasing context. */ |
|
|
|
if ((tflags & HTML_INPHRASE) == 0) { |
|
for (t = h->tag; t != NULL; t = t->next) { |
|
if (t->closed) |
|
continue; |
|
assert((htmltags[t->tag].flags & HTML_TOPHRASE) == 0); |
|
break; |
|
} |
|
|
|
/* |
|
* Always wrap phrasing elements in a paragraph |
|
* unless already contained in some flow container; |
|
* never put them directly into a section. |
|
*/ |
|
|
|
} else if (tflags & HTML_TOPHRASE && h->tag->tag == TAG_SECTION) |
|
print_otag(h, TAG_P, "c", "Pp"); |
|
|
/* Push this tag onto the stack of open scopes. */ |
/* Push this tag onto the stack of open scopes. */ |
|
|
if ((tflags & HTML_NOSTACK) == 0) { |
if ((tflags & HTML_NOSTACK) == 0) { |
t = mandoc_malloc(sizeof(struct tag)); |
t = mandoc_malloc(sizeof(struct tag)); |
t->tag = tag; |
t->tag = tag; |
t->next = h->tag; |
t->next = h->tag; |
|
t->refcnt = 0; |
|
t->closed = 0; |
h->tag = t; |
h->tag = t; |
} else |
} else |
t = NULL; |
t = NULL; |
Line 602 print_otag(struct html *h, enum htmltag tag, const cha |
|
Line 670 print_otag(struct html *h, enum htmltag tag, const cha |
|
|
|
va_start(ap, fmt); |
va_start(ap, fmt); |
|
|
have_style = 0; |
while (*fmt != '\0' && *fmt != 's') { |
while (*fmt != '\0') { |
|
if (*fmt == 's') { |
|
have_style = 1; |
|
fmt++; |
|
break; |
|
} |
|
|
|
/* Parse a non-style attribute and its arguments. */ |
/* Parse attributes and arguments. */ |
|
|
arg1 = va_arg(ap, char *); |
arg1 = va_arg(ap, char *); |
|
arg2 = NULL; |
switch (*fmt++) { |
switch (*fmt++) { |
case 'c': |
case 'c': |
attr = "class"; |
attr = "class"; |
Line 630 print_otag(struct html *h, enum htmltag tag, const cha |
|
Line 693 print_otag(struct html *h, enum htmltag tag, const cha |
|
default: |
default: |
abort(); |
abort(); |
} |
} |
arg2 = NULL; |
|
if (*fmt == 'M') |
if (*fmt == 'M') |
arg2 = va_arg(ap, char *); |
arg2 = va_arg(ap, char *); |
if (arg1 == NULL) |
if (arg1 == NULL) |
continue; |
continue; |
|
|
/* Print the non-style attributes. */ |
/* Print the attributes. */ |
|
|
print_byte(h, ' '); |
print_byte(h, ' '); |
print_word(h, attr); |
print_word(h, attr); |
Line 656 print_otag(struct html *h, enum htmltag tag, const cha |
|
Line 718 print_otag(struct html *h, enum htmltag tag, const cha |
|
print_encode(h, arg1, NULL, 1); |
print_encode(h, arg1, NULL, 1); |
fmt++; |
fmt++; |
break; |
break; |
case 'T': |
|
print_encode(h, arg1, NULL, 1); |
|
print_word(h, "\" title=\""); |
|
print_encode(h, arg1, NULL, 1); |
|
fmt++; |
|
break; |
|
default: |
default: |
print_encode(h, arg1, NULL, 1); |
print_encode(h, arg1, NULL, 1); |
break; |
break; |
Line 669 print_otag(struct html *h, enum htmltag tag, const cha |
|
Line 725 print_otag(struct html *h, enum htmltag tag, const cha |
|
print_byte(h, '"'); |
print_byte(h, '"'); |
} |
} |
|
|
/* Print out styles. */ |
style_written = 0; |
|
while (*fmt++ == 's') { |
while (*fmt != '\0') { |
arg1 = va_arg(ap, char *); |
arg1 = NULL; |
arg2 = va_arg(ap, char *); |
su = NULL; |
if (arg2 == NULL) |
|
|
/* First letter: input argument type. */ |
|
|
|
switch (*fmt++) { |
|
case 'h': |
|
i = va_arg(ap, int); |
|
su = &mysu; |
|
SCALE_HS_INIT(su, i); |
|
break; |
|
case 's': |
|
arg1 = va_arg(ap, char *); |
|
break; |
|
case 'u': |
|
su = va_arg(ap, struct roffsu *); |
|
break; |
|
case 'w': |
|
if ((arg2 = va_arg(ap, char *)) != NULL) { |
|
su = &mysu; |
|
a2width(arg2, su); |
|
} |
|
if (*fmt == '*') { |
|
if (su != NULL && su->unit == SCALE_EN && |
|
su->scale > 5.9 && su->scale < 6.1) |
|
su = NULL; |
|
fmt++; |
|
} |
|
if (*fmt == '+') { |
|
if (su != NULL) { |
|
/* Make even bold text fit. */ |
|
su->scale *= 1.2; |
|
/* Add padding. */ |
|
su->scale += 3.0; |
|
} |
|
fmt++; |
|
} |
|
if (*fmt == '-') { |
|
if (su != NULL) |
|
su->scale *= -1.0; |
|
fmt++; |
|
} |
|
break; |
|
default: |
|
abort(); |
|
} |
|
|
|
/* Second letter: style name. */ |
|
|
|
switch (*fmt++) { |
|
case 'h': |
|
attr = "height"; |
|
break; |
|
case 'i': |
|
attr = "text-indent"; |
|
break; |
|
case 'l': |
|
attr = "margin-left"; |
|
break; |
|
case 'w': |
|
attr = "width"; |
|
break; |
|
case 'W': |
|
attr = "min-width"; |
|
break; |
|
case '?': |
|
attr = arg1; |
|
arg1 = va_arg(ap, char *); |
|
break; |
|
default: |
|
abort(); |
|
} |
|
if (su == NULL && arg1 == NULL) |
|
continue; |
continue; |
|
print_byte(h, ' '); |
if (have_style == 1) |
if (style_written == 0) { |
print_word(h, " style=\""); |
print_word(h, "style=\""); |
else |
style_written = 1; |
print_byte(h, ' '); |
} |
print_word(h, attr); |
print_word(h, arg1); |
print_byte(h, ':'); |
print_byte(h, ':'); |
print_byte(h, ' '); |
print_byte(h, ' '); |
if (su != NULL) { |
print_word(h, arg2); |
v = su->scale; |
|
if (su->unit == SCALE_MM && (v /= 100.0) == 0.0) |
|
v = 1.0; |
|
else if (su->unit == SCALE_BU) |
|
v /= 24.0; |
|
(void)snprintf(numbuf, sizeof(numbuf), "%.2f", v); |
|
print_word(h, numbuf); |
|
print_word(h, roffscales[su->unit]); |
|
} else |
|
print_word(h, arg1); |
|
print_byte(h, ';'); |
print_byte(h, ';'); |
have_style = 2; |
|
} |
} |
if (have_style == 2) |
if (style_written) |
print_byte(h, '"'); |
print_byte(h, '"'); |
|
|
va_end(ap); |
va_end(ap); |
|
|
/* Accommodate for "well-formed" singleton escaping. */ |
/* Accommodate for "well-formed" singleton escaping. */ |
|
|
if (HTML_AUTOCLOSE & htmltags[tag].flags) |
if (htmltags[tag].flags & HTML_NOSTACK) |
print_byte(h, '/'); |
print_byte(h, '/'); |
|
|
print_byte(h, '>'); |
print_byte(h, '>'); |
Line 793 print_otag(struct html *h, enum htmltag tag, const cha |
|
Line 767 print_otag(struct html *h, enum htmltag tag, const cha |
|
return t; |
return t; |
} |
} |
|
|
|
/* |
|
* Print an element with an optional "id=" attribute. |
|
* If the element has phrasing content and an "id=" attribute, |
|
* also add a permalink: outside if it can be in phrasing context, |
|
* inside otherwise. |
|
*/ |
|
struct tag * |
|
print_otag_id(struct html *h, enum htmltag elemtype, const char *cattr, |
|
struct roff_node *n) |
|
{ |
|
struct roff_node *nch; |
|
struct tag *ret, *t; |
|
char *id, *href; |
|
|
|
ret = NULL; |
|
id = href = NULL; |
|
if (n->flags & NODE_ID) |
|
id = html_make_id(n, 1); |
|
if (n->flags & NODE_HREF) |
|
href = id == NULL ? html_make_id(n, 0) : id; |
|
if (href != NULL && htmltags[elemtype].flags & HTML_INPHRASE) |
|
ret = print_otag(h, TAG_A, "chR", "permalink", href); |
|
t = print_otag(h, elemtype, "ci", cattr, id); |
|
if (ret == NULL) { |
|
ret = t; |
|
if (href != NULL && (nch = n->child) != NULL) { |
|
/* man(7) is safe, it tags phrasing content only. */ |
|
if (n->tok > MDOC_MAX || |
|
htmltags[elemtype].flags & HTML_TOPHRASE) |
|
nch = NULL; |
|
else /* For mdoc(7), beware of nested blocks. */ |
|
while (nch != NULL && nch->type == ROFFT_TEXT) |
|
nch = nch->next; |
|
if (nch == NULL) |
|
print_otag(h, TAG_A, "chR", "permalink", href); |
|
} |
|
} |
|
if (id == NULL) |
|
free(href); |
|
return ret; |
|
} |
|
|
static void |
static void |
print_ctag(struct html *h, struct tag *tag) |
print_ctag(struct html *h, struct tag *tag) |
{ |
{ |
int tflags; |
int tflags; |
|
|
/* |
if (tag->closed == 0) { |
* Remember to close out and nullify the current |
tag->closed = 1; |
* meta-font and table, if applicable. |
if (tag == h->metaf) |
*/ |
h->metaf = NULL; |
if (tag == h->metaf) |
if (tag == h->tblt) |
h->metaf = NULL; |
h->tblt = NULL; |
if (tag == h->tblt) |
|
h->tblt = NULL; |
|
|
|
tflags = htmltags[tag->tag].flags; |
tflags = htmltags[tag->tag].flags; |
|
if (tflags & HTML_INDENT) |
if (tflags & HTML_INDENT) |
h->indent--; |
h->indent--; |
if (tflags & HTML_NOINDENT) |
if (tflags & HTML_NOINDENT) |
h->noindent--; |
h->noindent--; |
if (tflags & HTML_NLEND) |
if (tflags & HTML_NLEND) |
print_endline(h); |
print_endline(h); |
print_indent(h); |
print_indent(h); |
print_byte(h, '<'); |
print_byte(h, '<'); |
print_byte(h, '/'); |
print_byte(h, '/'); |
print_word(h, htmltags[tag->tag].name); |
print_word(h, htmltags[tag->tag].name); |
print_byte(h, '>'); |
print_byte(h, '>'); |
if (tflags & HTML_NLAFTER) |
if (tflags & HTML_NLAFTER) |
print_endline(h); |
print_endline(h); |
} |
|
if (tag->refcnt == 0) { |
h->tag = tag->next; |
h->tag = tag->next; |
free(tag); |
free(tag); |
|
} |
} |
} |
|
|
void |
void |
Line 863 print_gen_comment(struct html *h, struct roff_node *n) |
|
Line 878 print_gen_comment(struct html *h, struct roff_node *n) |
|
void |
void |
print_text(struct html *h, const char *word) |
print_text(struct html *h, const char *word) |
{ |
{ |
|
/* |
|
* Always wrap text in a paragraph unless already contained in |
|
* some flow container; never put it directly into a section. |
|
*/ |
|
|
|
if (h->tag->tag == TAG_SECTION) |
|
print_otag(h, TAG_P, "c", "Pp"); |
|
|
|
/* Output whitespace before this text? */ |
|
|
if (h->col && (h->flags & HTML_NOSPACE) == 0) { |
if (h->col && (h->flags & HTML_NOSPACE) == 0) { |
if ( ! (HTML_KEEP & h->flags)) { |
if ( ! (HTML_KEEP & h->flags)) { |
if (HTML_PREKEEP & h->flags) |
if (HTML_PREKEEP & h->flags) |
Line 872 print_text(struct html *h, const char *word) |
|
Line 897 print_text(struct html *h, const char *word) |
|
print_word(h, " "); |
print_word(h, " "); |
} |
} |
|
|
assert(NULL == h->metaf); |
/* |
switch (h->metac) { |
* Print the text, optionally surrounded by HTML whitespace, |
case HTMLFONT_ITALIC: |
* optionally manually switching fonts before and after. |
h->metaf = print_otag(h, TAG_I, ""); |
*/ |
break; |
|
case HTMLFONT_BOLD: |
|
h->metaf = print_otag(h, TAG_B, ""); |
|
break; |
|
case HTMLFONT_BI: |
|
h->metaf = print_otag(h, TAG_B, ""); |
|
print_otag(h, TAG_I, ""); |
|
break; |
|
default: |
|
print_indent(h); |
|
break; |
|
} |
|
|
|
assert(word); |
assert(h->metaf == NULL); |
|
print_metaf(h); |
|
print_indent(h); |
if ( ! print_encode(h, word, NULL, 0)) { |
if ( ! print_encode(h, word, NULL, 0)) { |
if ( ! (h->flags & HTML_NONOSPACE)) |
if ( ! (h->flags & HTML_NONOSPACE)) |
h->flags &= ~HTML_NOSPACE; |
h->flags &= ~HTML_NOSPACE; |
Line 897 print_text(struct html *h, const char *word) |
|
Line 912 print_text(struct html *h, const char *word) |
|
} else |
} else |
h->flags |= HTML_NOSPACE | HTML_NONEWLINE; |
h->flags |= HTML_NOSPACE | HTML_NONEWLINE; |
|
|
if (h->metaf) { |
if (h->metaf != NULL) { |
print_tagq(h, h->metaf); |
print_tagq(h, h->metaf); |
h->metaf = NULL; |
h->metaf = NULL; |
} |
} |
Line 908 print_text(struct html *h, const char *word) |
|
Line 923 print_text(struct html *h, const char *word) |
|
void |
void |
print_tagq(struct html *h, const struct tag *until) |
print_tagq(struct html *h, const struct tag *until) |
{ |
{ |
struct tag *tag; |
struct tag *this, *next; |
|
|
while ((tag = h->tag) != NULL) { |
for (this = h->tag; this != NULL; this = next) { |
print_ctag(h, tag); |
next = this == until ? NULL : this->next; |
if (until && tag == until) |
print_ctag(h, this); |
return; |
|
} |
} |
} |
} |
|
|
|
/* |
|
* Close out all open elements up to but excluding suntil. |
|
* Note that a paragraph just inside stays open together with it |
|
* because paragraphs include subsequent phrasing content. |
|
*/ |
void |
void |
print_stagq(struct html *h, const struct tag *suntil) |
print_stagq(struct html *h, const struct tag *suntil) |
{ |
{ |
struct tag *tag; |
struct tag *this, *next; |
|
|
while ((tag = h->tag) != NULL) { |
for (this = h->tag; this != NULL; this = next) { |
if (suntil && tag == suntil) |
next = this->next; |
return; |
if (this == suntil || (next == suntil && |
print_ctag(h, tag); |
(this->tag == TAG_P || this->tag == TAG_PRE))) |
|
break; |
|
print_ctag(h, this); |
} |
} |
} |
} |
|
|
void |
|
print_paragraph(struct html *h) |
|
{ |
|
struct tag *t; |
|
|
|
t = print_otag(h, TAG_DIV, "c", "Pp"); |
|
print_tagq(h, t); |
|
} |
|
|
|
|
|
/*********************************************************************** |
/*********************************************************************** |
* Low level output functions. |
* Low level output functions. |
* They implement line breaking using a short static buffer. |
* They implement line breaking using a short static buffer. |
Line 1030 print_indent(struct html *h) |
|
Line 1042 print_indent(struct html *h) |
|
{ |
{ |
size_t i; |
size_t i; |
|
|
if (h->col) |
if (h->col || h->noindent) |
return; |
return; |
|
|
if (h->noindent == 0) { |
h->col = h->indent * 2; |
h->col = h->indent * 2; |
for (i = 0; i < h->col; i++) |
for (i = 0; i < h->col; i++) |
putchar(' '); |
putchar(' '); |
|
} |
|
h->flags &= ~HTML_NOSPACE; |
|
} |
} |
|
|
/* |
/* |
Line 1050 print_word(struct html *h, const char *cp) |
|
Line 1059 print_word(struct html *h, const char *cp) |
|
{ |
{ |
while (*cp != '\0') |
while (*cp != '\0') |
print_byte(h, *cp++); |
print_byte(h, *cp++); |
} |
|
|
|
/* |
|
* Calculate the scaling unit passed in a `-width' argument. This uses |
|
* either a native scaling unit (e.g., 1i, 2m) or the string length of |
|
* the value. |
|
*/ |
|
static void |
|
a2width(const char *p, struct roffsu *su) |
|
{ |
|
const char *end; |
|
|
|
end = a2roffsu(p, su, SCALE_MAX); |
|
if (end == NULL || *end != '\0') { |
|
su->unit = SCALE_EN; |
|
su->scale = html_strlen(p); |
|
} else if (su->scale < 0.0) |
|
su->scale = 0.0; |
|
} |
} |