version 1.116, 2010/12/15 17:19:41 |
version 1.140, 2011/05/17 10:48:06 |
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/* $Id$ */ |
/* $Id$ */ |
/* |
/* |
* Copyright (c) 2008, 2009, 2010 Kristaps Dzonsons <kristaps@bsd.lv> |
* Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv> |
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* Copyright (c) 2011 Ingo Schwarze <schwarze@openbsd.org> |
* |
* |
* 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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#include <unistd.h> |
#include <unistd.h> |
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#include "mandoc.h" |
#include "mandoc.h" |
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#include "libmandoc.h" |
#include "out.h" |
#include "out.h" |
#include "chars.h" |
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#include "html.h" |
#include "html.h" |
#include "main.h" |
#include "main.h" |
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Line 69 static const struct htmldata htmltags[TAG_MAX] = { |
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Line 70 static const struct htmldata htmltags[TAG_MAX] = { |
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{"dd", HTML_CLRLINE}, /* TAG_DD */ |
{"dd", HTML_CLRLINE}, /* TAG_DD */ |
{"blockquote", HTML_CLRLINE}, /* TAG_BLOCKQUOTE */ |
{"blockquote", HTML_CLRLINE}, /* TAG_BLOCKQUOTE */ |
{"p", HTML_CLRLINE | HTML_NOSTACK | HTML_AUTOCLOSE}, /* TAG_P */ |
{"p", HTML_CLRLINE | HTML_NOSTACK | HTML_AUTOCLOSE}, /* TAG_P */ |
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{"pre", HTML_CLRLINE }, /* TAG_PRE */ |
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{"b", 0 }, /* TAG_B */ |
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{"i", 0 }, /* TAG_I */ |
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{"code", 0 }, /* TAG_CODE */ |
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{"small", 0 }, /* TAG_SMALL */ |
}; |
}; |
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static const char *const htmlfonts[HTMLFONT_MAX] = { |
static const char *const htmlattrs[ATTR_MAX] = { |
"roman", |
"http-equiv", /* ATTR_HTTPEQUIV */ |
"bold", |
"content", /* ATTR_CONTENT */ |
"italic" |
"name", /* ATTR_NAME */ |
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"rel", /* ATTR_REL */ |
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"href", /* ATTR_HREF */ |
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"type", /* ATTR_TYPE */ |
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"media", /* ATTR_MEDIA */ |
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"class", /* ATTR_CLASS */ |
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"style", /* ATTR_STYLE */ |
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"width", /* ATTR_WIDTH */ |
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"id", /* ATTR_ID */ |
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"summary", /* ATTR_SUMMARY */ |
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"align", /* ATTR_ALIGN */ |
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"colspan", /* ATTR_COLSPAN */ |
}; |
}; |
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static const char *const htmlattrs[ATTR_MAX] = { |
static const char *const roffscales[SCALE_MAX] = { |
"http-equiv", |
"cm", /* SCALE_CM */ |
"content", |
"in", /* SCALE_IN */ |
"name", |
"pc", /* SCALE_PC */ |
"rel", |
"pt", /* SCALE_PT */ |
"href", |
"em", /* SCALE_EM */ |
"type", |
"em", /* SCALE_MM */ |
"media", |
"ex", /* SCALE_EN */ |
"class", |
"ex", /* SCALE_BU */ |
"style", |
"em", /* SCALE_VS */ |
"width", |
"ex", /* SCALE_FS */ |
"valign", |
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"target", |
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"id", |
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"summary", |
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}; |
}; |
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static void print_spec(struct html *, enum roffdeco, |
static void print_num(struct html *, const char *, size_t); |
const char *, size_t); |
static void print_spec(struct html *, const char *, size_t); |
static void print_res(struct html *, const char *, size_t); |
static void print_res(struct html *, const char *, size_t); |
static void print_ctag(struct html *, enum htmltag); |
static void print_ctag(struct html *, enum htmltag); |
static void print_doctype(struct html *); |
static void print_doctype(struct html *); |
static void print_xmltype(struct html *); |
static void print_xmltype(struct html *); |
static int print_encode(struct html *, const char *, int); |
static int print_encode(struct html *, const char *, int); |
static void print_metaf(struct html *, enum roffdeco); |
static void print_metaf(struct html *, enum mandoc_esc); |
static void print_attr(struct html *, |
static void print_attr(struct html *, |
const char *, const char *); |
const char *, const char *); |
static void *ml_alloc(char *, enum htmltype); |
static void *ml_alloc(char *, enum htmltype); |
Line 119 ml_alloc(char *outopts, enum htmltype type) |
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Line 132 ml_alloc(char *outopts, enum htmltype type) |
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toks[2] = "includes"; |
toks[2] = "includes"; |
toks[3] = NULL; |
toks[3] = NULL; |
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h = calloc(1, sizeof(struct html)); |
h = mandoc_calloc(1, sizeof(struct html)); |
if (NULL == h) { |
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perror(NULL); |
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exit((int)MANDOCLEVEL_SYSERR); |
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} |
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h->type = type; |
h->type = type; |
h->tags.head = NULL; |
h->tags.head = NULL; |
h->symtab = chars_init(CHARS_HTML); |
h->symtab = mchars_alloc(); |
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while (outopts && *outopts) |
while (outopts && *outopts) |
switch (getsubopt(&outopts, UNCONST(toks), &v)) { |
switch (getsubopt(&outopts, UNCONST(toks), &v)) { |
Line 177 html_free(void *p) |
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Line 186 html_free(void *p) |
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} |
} |
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if (h->symtab) |
if (h->symtab) |
chars_free(h->symtab); |
mchars_free(h->symtab); |
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free(h); |
free(h); |
} |
} |
Line 213 print_gen_head(struct html *h) |
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Line 222 print_gen_head(struct html *h) |
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} |
} |
} |
} |
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/* ARGSUSED */ |
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static void |
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print_num(struct html *h, const char *p, size_t len) |
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{ |
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char c; |
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if ('\0' != (c = mchars_num2char(p, len))) |
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putchar((int)c); |
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} |
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static void |
static void |
print_spec(struct html *h, enum roffdeco d, const char *p, size_t len) |
print_spec(struct html *h, const char *p, size_t len) |
{ |
{ |
int cp; |
int cp; |
const char *rhs; |
const char *rhs; |
size_t sz; |
size_t sz; |
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if ((cp = chars_spec2cp(h->symtab, p, len)) > 0) { |
if ((cp = mchars_spec2cp(h->symtab, p, len)) > 0) { |
printf("&#%d;", cp); |
printf("&#%d;", cp); |
return; |
return; |
} else if (-1 == cp && DECO_SSPECIAL == d) { |
} else if (-1 == cp && 1 == len) { |
fwrite(p, 1, len, stdout); |
fwrite(p, 1, len, stdout); |
return; |
return; |
} else if (-1 == cp) |
} else if (-1 == cp) |
return; |
return; |
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if (NULL != (rhs = chars_spec2str(h->symtab, p, len, &sz))) |
if (NULL != (rhs = mchars_spec2str(h->symtab, p, len, &sz))) |
fwrite(rhs, 1, sz, stdout); |
fwrite(rhs, 1, sz, stdout); |
} |
} |
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Line 242 print_res(struct html *h, const char *p, size_t len) |
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Line 260 print_res(struct html *h, const char *p, size_t len) |
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const char *rhs; |
const char *rhs; |
size_t sz; |
size_t sz; |
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if ((cp = chars_res2cp(h->symtab, p, len)) > 0) { |
if ((cp = mchars_res2cp(h->symtab, p, len)) > 0) { |
printf("&#%d;", cp); |
printf("&#%d;", cp); |
return; |
return; |
} else if (-1 == cp) |
} else if (-1 == cp) |
return; |
return; |
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if (NULL != (rhs = chars_res2str(h->symtab, p, len, &sz))) |
if (NULL != (rhs = mchars_res2str(h->symtab, p, len, &sz))) |
fwrite(rhs, 1, sz, stdout); |
fwrite(rhs, 1, sz, stdout); |
} |
} |
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struct tag * |
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print_ofont(struct html *h, enum htmlfont font) |
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{ |
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struct htmlpair tag; |
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h->metal = h->metac; |
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h->metac = font; |
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/* FIXME: DECO_ROMAN should just close out preexisting. */ |
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if (h->metaf && h->tags.head == h->metaf) |
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print_tagq(h, h->metaf); |
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PAIR_CLASS_INIT(&tag, htmlfonts[font]); |
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h->metaf = print_otag(h, TAG_SPAN, 1, &tag); |
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return(h->metaf); |
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} |
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static void |
static void |
print_metaf(struct html *h, enum roffdeco deco) |
print_metaf(struct html *h, enum mandoc_esc deco) |
{ |
{ |
enum htmlfont font; |
enum htmlfont font; |
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switch (deco) { |
switch (deco) { |
case (DECO_PREVIOUS): |
case (ESCAPE_FONTPREV): |
font = h->metal; |
font = h->metal; |
break; |
break; |
case (DECO_ITALIC): |
case (ESCAPE_FONTITALIC): |
font = HTMLFONT_ITALIC; |
font = HTMLFONT_ITALIC; |
break; |
break; |
case (DECO_BOLD): |
case (ESCAPE_FONTBOLD): |
font = HTMLFONT_BOLD; |
font = HTMLFONT_BOLD; |
break; |
break; |
case (DECO_ROMAN): |
case (ESCAPE_FONTROMAN): |
font = HTMLFONT_NONE; |
font = HTMLFONT_NONE; |
break; |
break; |
default: |
default: |
Line 295 print_metaf(struct html *h, enum roffdeco deco) |
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Line 294 print_metaf(struct html *h, enum roffdeco deco) |
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/* NOTREACHED */ |
/* NOTREACHED */ |
} |
} |
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(void)print_ofont(h, font); |
if (h->metaf) { |
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print_tagq(h, h->metaf); |
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h->metaf = NULL; |
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} |
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h->metal = h->metac; |
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h->metac = font; |
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if (HTMLFONT_NONE != font) |
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h->metaf = HTMLFONT_BOLD == font ? |
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print_otag(h, TAG_B, 0, NULL) : |
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print_otag(h, TAG_I, 0, NULL); |
} |
} |
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int |
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html_strlen(const char *cp) |
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{ |
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int ssz, sz; |
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const char *seq, *p; |
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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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while (NULL != (p = strchr(cp, '\\'))) { |
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sz += (int)(p - cp); |
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++cp; |
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switch (mandoc_escape(&cp, &seq, &ssz)) { |
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case (ESCAPE_ERROR): |
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return(sz); |
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case (ESCAPE_NUMBERED): |
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/* FALLTHROUGH */ |
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case (ESCAPE_PREDEF): |
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/* FALLTHROUGH */ |
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case (ESCAPE_SPECIAL): |
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sz++; |
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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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assert(sz >= 0); |
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return(sz + strlen(cp)); |
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} |
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static int |
static int |
print_encode(struct html *h, const char *p, int norecurse) |
print_encode(struct html *h, const char *p, int norecurse) |
{ |
{ |
size_t sz; |
size_t sz; |
int len, nospace; |
int len, nospace; |
const char *seq; |
const char *seq; |
enum roffdeco deco; |
enum mandoc_esc esc; |
static const char rejs[6] = { '\\', '<', '>', '&', ASCII_HYPH, '\0' }; |
static const char rejs[6] = { '\\', '<', '>', '&', ASCII_HYPH, '\0' }; |
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nospace = 0; |
nospace = 0; |
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for (; *p; p++) { |
while ('\0' != *p) { |
sz = strcspn(p, rejs); |
sz = strcspn(p, rejs); |
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fwrite(p, 1, sz, stdout); |
fwrite(p, 1, sz, stdout); |
p += /* LINTED */ |
p += (int)sz; |
sz; |
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if ('<' == *p) { |
if ('\0' == *p) |
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break; |
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switch (*p++) { |
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case ('<'): |
printf("<"); |
printf("<"); |
continue; |
continue; |
} else if ('>' == *p) { |
case ('>'): |
printf(">"); |
printf(">"); |
continue; |
continue; |
} else if ('&' == *p) { |
case ('&'): |
printf("&"); |
printf("&"); |
continue; |
continue; |
} else if (ASCII_HYPH == *p) { |
case (ASCII_HYPH): |
/* |
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* Note: "soft hyphens" aren't graphically |
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* displayed when not breaking the text; we want |
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* them to be displayed. |
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*/ |
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/*printf("­");*/ |
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putchar('-'); |
putchar('-'); |
continue; |
continue; |
} else if ('\0' == *p) |
default: |
break; |
break; |
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} |
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seq = ++p; |
esc = mandoc_escape(&p, &seq, &len); |
len = a2roffdeco(&deco, &seq, &sz); |
if (ESCAPE_ERROR == esc) |
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break; |
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switch (deco) { |
switch (esc) { |
case (DECO_RESERVED): |
case (ESCAPE_NUMBERED): |
print_res(h, seq, sz); |
print_num(h, seq, len); |
break; |
break; |
case (DECO_SSPECIAL): |
case (ESCAPE_PREDEF): |
/* FALLTHROUGH */ |
print_res(h, seq, len); |
case (DECO_SPECIAL): |
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print_spec(h, deco, seq, sz); |
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break; |
break; |
case (DECO_PREVIOUS): |
case (ESCAPE_SPECIAL): |
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print_spec(h, seq, len); |
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break; |
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case (ESCAPE_FONTPREV): |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case (DECO_BOLD): |
case (ESCAPE_FONTBOLD): |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case (DECO_ITALIC): |
case (ESCAPE_FONTITALIC): |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case (DECO_ROMAN): |
case (ESCAPE_FONTROMAN): |
if (norecurse) |
if (norecurse) |
break; |
break; |
print_metaf(h, deco); |
print_metaf(h, esc); |
break; |
break; |
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case (ESCAPE_NOSPACE): |
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if ('\0' == *p) |
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nospace = 1; |
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break; |
default: |
default: |
break; |
break; |
} |
} |
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p += len - 1; |
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if (DECO_NOSPACE == deco && '\0' == *(p + 1)) |
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nospace = 1; |
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} |
} |
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return(nospace); |
return(nospace); |
Line 394 print_otag(struct html *h, enum htmltag tag, |
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Line 439 print_otag(struct html *h, enum htmltag tag, |
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/* Push this tags onto the stack of open scopes. */ |
/* Push this tags onto the stack of open scopes. */ |
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if ( ! (HTML_NOSTACK & htmltags[tag].flags)) { |
if ( ! (HTML_NOSTACK & htmltags[tag].flags)) { |
t = malloc(sizeof(struct tag)); |
t = mandoc_malloc(sizeof(struct tag)); |
if (NULL == t) { |
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perror(NULL); |
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exit((int)MANDOCLEVEL_SYSERR); |
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} |
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t->tag = tag; |
t->tag = tag; |
t->next = h->tags.head; |
t->next = h->tags.head; |
h->tags.head = t; |
h->tags.head = t; |
Line 435 print_otag(struct html *h, enum htmltag tag, |
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Line 476 print_otag(struct html *h, enum htmltag tag, |
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print_attr(h, "lang", "en"); |
print_attr(h, "lang", "en"); |
} |
} |
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/* Accomodate for XML "well-formed" singleton escaping. */ |
/* Accommodate for XML "well-formed" singleton escaping. */ |
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if (HTML_AUTOCLOSE & htmltags[tag].flags) |
if (HTML_AUTOCLOSE & htmltags[tag].flags) |
switch (h->type) { |
switch (h->type) { |
Line 449 print_otag(struct html *h, enum htmltag tag, |
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Line 490 print_otag(struct html *h, enum htmltag tag, |
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putchar('>'); |
putchar('>'); |
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h->flags |= HTML_NOSPACE; |
h->flags |= HTML_NOSPACE; |
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if ((HTML_AUTOCLOSE | HTML_CLRLINE) & htmltags[tag].flags) |
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putchar('\n'); |
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return(t); |
return(t); |
} |
} |
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Line 479 print_xmltype(struct html *h) |
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Line 524 print_xmltype(struct html *h) |
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{ |
{ |
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if (HTML_XHTML_1_0_STRICT == h->type) |
if (HTML_XHTML_1_0_STRICT == h->type) |
printf("<?xml version=\"1.0\" encoding=\"UTF-8\"?>"); |
puts("<?xml version=\"1.0\" encoding=\"UTF-8\"?>"); |
} |
} |
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Line 507 print_doctype(struct html *h) |
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Line 552 print_doctype(struct html *h) |
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name, doctype, dtd); |
name, doctype, dtd); |
} |
} |
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void |
void |
print_text(struct html *h, const char *word) |
print_text(struct html *h, const char *word) |
{ |
{ |
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if (word[0] && '\0' == word[1]) |
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switch (word[0]) { |
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case('.'): |
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/* FALLTHROUGH */ |
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case(','): |
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/* FALLTHROUGH */ |
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case(';'): |
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/* FALLTHROUGH */ |
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case(':'): |
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/* FALLTHROUGH */ |
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case('?'): |
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/* FALLTHROUGH */ |
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case('!'): |
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/* FALLTHROUGH */ |
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case(')'): |
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/* FALLTHROUGH */ |
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case(']'): |
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if ( ! (HTML_IGNDELIM & h->flags)) |
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h->flags |= HTML_NOSPACE; |
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break; |
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default: |
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break; |
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} |
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if ( ! (HTML_NOSPACE & h->flags)) { |
if ( ! (HTML_NOSPACE & h->flags)) { |
/* Manage keeps! */ |
/* Manage keeps! */ |
if ( ! (HTML_KEEP & h->flags)) { |
if ( ! (HTML_KEEP & h->flags)) { |
Line 546 print_text(struct html *h, const char *word) |
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Line 566 print_text(struct html *h, const char *word) |
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printf(" "); |
printf(" "); |
} |
} |
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assert(NULL == h->metaf); |
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if (HTMLFONT_NONE != h->metac) |
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h->metaf = HTMLFONT_BOLD == h->metac ? |
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print_otag(h, TAG_B, 0, NULL) : |
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print_otag(h, TAG_I, 0, NULL); |
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assert(word); |
assert(word); |
if ( ! print_encode(h, word, 0)) |
if ( ! print_encode(h, word, 0)) |
if ( ! (h->flags & HTML_NONOSPACE)) |
if ( ! (h->flags & HTML_NONOSPACE)) |
h->flags &= ~HTML_NOSPACE; |
h->flags &= ~HTML_NOSPACE; |
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h->flags &= ~HTML_IGNDELIM; |
if (h->metaf) { |
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print_tagq(h, h->metaf); |
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h->metaf = NULL; |
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} |
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/* |
h->flags &= ~HTML_IGNDELIM; |
* Note that we don't process the pipe: the parser sees it as |
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* punctuation, but we don't in terms of typography. |
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*/ |
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if (word[0] && '\0' == word[1]) |
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switch (word[0]) { |
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case('('): |
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/* FALLTHROUGH */ |
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case('['): |
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h->flags |= HTML_NOSPACE; |
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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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Line 576 print_tagq(struct html *h, const struct tag *until) |
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Line 592 print_tagq(struct html *h, const struct tag *until) |
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struct tag *tag; |
struct tag *tag; |
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while ((tag = h->tags.head) != NULL) { |
while ((tag = h->tags.head) != NULL) { |
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/* |
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* Remember to close out and nullify the current |
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* meta-font and table, if applicable. |
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*/ |
if (tag == h->metaf) |
if (tag == h->metaf) |
h->metaf = NULL; |
h->metaf = NULL; |
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if (tag == h->tblt) |
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h->tblt = NULL; |
print_ctag(h, tag->tag); |
print_ctag(h, tag->tag); |
h->tags.head = tag->next; |
h->tags.head = tag->next; |
free(tag); |
free(tag); |
Line 595 print_stagq(struct html *h, const struct tag *suntil) |
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Line 617 print_stagq(struct html *h, const struct tag *suntil) |
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while ((tag = h->tags.head) != NULL) { |
while ((tag = h->tags.head) != NULL) { |
if (suntil && tag == suntil) |
if (suntil && tag == suntil) |
return; |
return; |
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/* |
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* Remember to close out and nullify the current |
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* meta-font and table, if applicable. |
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*/ |
if (tag == h->metaf) |
if (tag == h->metaf) |
h->metaf = NULL; |
h->metaf = NULL; |
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if (tag == h->tblt) |
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h->tblt = NULL; |
print_ctag(h, tag->tag); |
print_ctag(h, tag->tag); |
h->tags.head = tag->next; |
h->tags.head = tag->next; |
free(tag); |
free(tag); |
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bufcat_su(struct html *h, const char *p, const struct roffsu *su) |
bufcat_su(struct html *h, const char *p, const struct roffsu *su) |
{ |
{ |
double v; |
double v; |
const char *u; |
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|
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v = su->scale; |
v = su->scale; |
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if (SCALE_MM == su->unit && 0.0 == (v /= 100.0)) |
|
v = 1.0; |
|
|
switch (su->unit) { |
buffmt(h, "%s: %.2f%s;", p, v, roffscales[su->unit]); |
case (SCALE_CM): |
|
u = "cm"; |
|
break; |
|
case (SCALE_IN): |
|
u = "in"; |
|
break; |
|
case (SCALE_PC): |
|
u = "pc"; |
|
break; |
|
case (SCALE_PT): |
|
u = "pt"; |
|
break; |
|
case (SCALE_EM): |
|
u = "em"; |
|
break; |
|
case (SCALE_MM): |
|
if (0 == (v /= 100)) |
|
v = 1; |
|
u = "em"; |
|
break; |
|
case (SCALE_EN): |
|
u = "ex"; |
|
break; |
|
case (SCALE_BU): |
|
u = "ex"; |
|
break; |
|
case (SCALE_VS): |
|
u = "em"; |
|
break; |
|
default: |
|
u = "ex"; |
|
break; |
|
} |
|
|
|
/* |
|
* XXX: the CSS spec isn't clear as to which types accept |
|
* integer or real numbers, so we just make them all decimals. |
|
*/ |
|
buffmt(h, "%s: %.2f%s;", p, v, u); |
|
} |
} |
|
|
|
|
Line 766 html_idcat(char *dst, const char *src, int sz) |
|
Line 756 html_idcat(char *dst, const char *src, int sz) |
|
{ |
{ |
int ssz; |
int ssz; |
|
|
assert(sz); |
assert(sz > 2); |
|
|
/* Cf. <http://www.w3.org/TR/html4/types.html#h-6.2>. */ |
/* Cf. <http://www.w3.org/TR/html4/types.html#h-6.2>. */ |
|
|
for ( ; *dst != '\0' && sz; dst++, sz--) |
|
/* Jump to end. */ ; |
|
|
|
assert(sz > 2); |
|
|
|
/* We can't start with a number (bah). */ |
/* We can't start with a number (bah). */ |
|
|
*dst++ = 'x'; |
if ('#' == *dst) { |
*dst = '\0'; |
dst++; |
sz--; |
sz--; |
|
} |
|
if ('\0' == *dst) { |
|
*dst++ = 'x'; |
|
*dst = '\0'; |
|
sz--; |
|
} |
|
|
|
for ( ; *dst != '\0' && sz; dst++, sz--) |
|
/* Jump to end. */ ; |
|
|
for ( ; *src != '\0' && sz > 1; src++) { |
for ( ; *src != '\0' && sz > 1; src++) { |
ssz = snprintf(dst, (size_t)sz, "%.2x", *src); |
ssz = snprintf(dst, (size_t)sz, "%.2x", *src); |