version 1.2, 2008/12/03 19:21:58 |
version 1.66, 2009/10/26 08:18:15 |
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/* $Id$ */ |
/* $Id$ */ |
/* |
/* |
* Copyright (c) 2008 Kristaps Dzonsons <kristaps@kth.se> |
* Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se> |
* |
* |
* 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 |
* purpose with or without fee is hereby granted, provided that the above |
* above copyright notice and this permission notice appear in all |
* copyright notice and this permission notice appear in all copies. |
* copies. |
|
* |
* |
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL |
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
* WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED |
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
* WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE |
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
* AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL |
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR |
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
* PERFORMANCE OF THIS SOFTWARE. |
|
*/ |
*/ |
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#include <sys/types.h> |
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#include <assert.h> |
#include <assert.h> |
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#include <err.h> |
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#include <stdio.h> |
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#include <stdarg.h> |
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#include <stdint.h> |
#include <stdlib.h> |
#include <stdlib.h> |
#include <string.h> |
#include <string.h> |
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#include <unistd.h> |
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#include "libmdocml.h" |
#include "out.h" |
#include "private.h" |
#include "chars.h" |
#include "ml.h" |
#include "html.h" |
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#include "main.h" |
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#define UNCONST(a) ((void *)(uintptr_t)(const void *)(a)) |
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static ssize_t html_endtag(struct md_mbuf *, |
#define DOCTYPE "-//W3C//DTD HTML 4.01//EN" |
const struct md_args *, |
#define DTD "http://www.w3.org/TR/html4/strict.dtd" |
enum md_ns, int); |
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static ssize_t html_begintag(struct md_mbuf *, |
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const struct md_args *, |
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enum md_ns, int, |
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const int *, const char **); |
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static int html_begin(struct md_mbuf *, |
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const struct md_args *); |
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static int html_end(struct md_mbuf *, |
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const struct md_args *); |
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static ssize_t html_blocktagname(struct md_mbuf *, |
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const struct md_args *, int); |
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static ssize_t html_blocktagargs(struct md_mbuf *, |
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const struct md_args *, int, |
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const int *, const char **); |
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static ssize_t html_inlinetagname(struct md_mbuf *, |
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const struct md_args *, int); |
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static ssize_t html_inlinetagargs(struct md_mbuf *, |
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const struct md_args *, int, |
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const int *, const char **); |
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struct htmldata { |
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const char *name; |
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int flags; |
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#define HTML_CLRLINE (1 << 0) |
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#define HTML_NOSTACK (1 << 1) |
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}; |
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static int |
static const struct htmldata htmltags[TAG_MAX] = { |
html_begin(struct md_mbuf *mbuf, const struct md_args *args) |
{"html", HTML_CLRLINE}, /* TAG_HTML */ |
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{"head", HTML_CLRLINE}, /* TAG_HEAD */ |
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{"body", HTML_CLRLINE}, /* TAG_BODY */ |
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{"meta", HTML_CLRLINE | HTML_NOSTACK}, /* TAG_META */ |
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{"title", HTML_CLRLINE}, /* TAG_TITLE */ |
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{"div", HTML_CLRLINE}, /* TAG_DIV */ |
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{"h1", 0}, /* TAG_H1 */ |
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{"h2", 0}, /* TAG_H2 */ |
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{"p", HTML_CLRLINE}, /* TAG_P */ |
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{"span", 0}, /* TAG_SPAN */ |
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{"link", HTML_CLRLINE | HTML_NOSTACK}, /* TAG_LINK */ |
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{"br", HTML_CLRLINE | HTML_NOSTACK}, /* TAG_LINK */ |
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{"a", 0}, /* TAG_A */ |
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{"table", HTML_CLRLINE}, /* TAG_TABLE */ |
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{"col", HTML_CLRLINE | HTML_NOSTACK}, /* TAG_COL */ |
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{"tr", HTML_CLRLINE}, /* TAG_TR */ |
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{"td", HTML_CLRLINE}, /* TAG_TD */ |
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{"li", HTML_CLRLINE}, /* TAG_LI */ |
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{"ul", HTML_CLRLINE}, /* TAG_UL */ |
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{"ol", HTML_CLRLINE}, /* TAG_OL */ |
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{"base", HTML_CLRLINE | HTML_NOSTACK}, /* TAG_BASE */ |
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}; |
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static const char *const htmlattrs[ATTR_MAX] = { |
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"http-equiv", |
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"content", |
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"name", |
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"rel", |
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"href", |
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"type", |
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"media", |
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"class", |
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"style", |
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"width", |
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"valign", |
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"target", |
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"id", |
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}; |
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#ifdef __linux__ |
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extern int getsubopt(char **, char * const *, char **); |
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#endif |
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void * |
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html_alloc(char *outopts) |
{ |
{ |
size_t res; |
struct html *h; |
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const char *toks[4]; |
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char *v; |
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res = 0; |
toks[0] = "style"; |
if ( ! ml_puts(mbuf, "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD " |
toks[1] = "man"; |
"HTML 4.01//EN\" \"http://www.w3.org" |
toks[2] = "includes"; |
"/TR/html4/strict.dtd\">\n", &res)) |
toks[3] = NULL; |
return(0); |
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if ( ! ml_puts(mbuf, "<html>\n", &res)) |
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return(0); |
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if ( ! ml_puts(mbuf, "<head>\n", &res)) |
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return(0); |
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if ( ! ml_puts(mbuf, " <title>Manual page</title>\n", &res)) |
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return(0); |
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if ( ! ml_puts(mbuf, " <meta http-equiv=\"Content-Type\" " |
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"content=\"text/html; " |
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"charset=utf-8\">\n", &res)) |
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return(0); |
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if ( ! ml_puts(mbuf, " <meta name=\"resource-type\" " |
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"content=\"document\">\n", &res)) |
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return(0); |
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if ( ! ml_puts(mbuf, "</head>\n", &res)) |
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return(0); |
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if ( ! ml_puts(mbuf, "<body>", &res)) |
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return(0); |
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return(1); |
if (NULL == (h = calloc(1, sizeof(struct html)))) |
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return(NULL); |
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h->tags.head = NULL; |
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h->ords.head = NULL; |
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if (NULL == (h->symtab = chars_init(CHARS_HTML))) { |
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free(h); |
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return(NULL); |
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} |
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while (outopts && *outopts) |
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switch (getsubopt(&outopts, UNCONST(toks), &v)) { |
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case (0): |
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h->style = v; |
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break; |
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case (1): |
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h->base_man = v; |
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break; |
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case (2): |
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h->base_includes = v; |
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break; |
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default: |
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break; |
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} |
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return(h); |
} |
} |
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static int |
void |
html_end(struct md_mbuf *mbuf, const struct md_args *args) |
html_free(void *p) |
{ |
{ |
size_t res; |
struct tag *tag; |
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struct ord *ord; |
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struct html *h; |
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res = 0; |
h = (struct html *)p; |
if ( ! ml_puts(mbuf, "</body>\n</html>", &res)) |
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return(0); |
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return(1); |
while ((ord = h->ords.head) != NULL) { |
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h->ords.head = ord->next; |
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free(ord); |
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} |
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while ((tag = h->tags.head) != NULL) { |
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h->tags.head = tag->next; |
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free(tag); |
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} |
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if (h->symtab) |
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chars_free(h->symtab); |
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free(h); |
} |
} |
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static ssize_t |
void |
html_blocktagname(struct md_mbuf *mbuf, |
print_gen_head(struct html *h) |
const struct md_args *args, int tok) |
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{ |
{ |
size_t res; |
struct htmlpair tag[4]; |
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res = 0; |
tag[0].key = ATTR_HTTPEQUIV; |
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tag[0].val = "Content-Type"; |
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tag[1].key = ATTR_CONTENT; |
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tag[1].val = "text/html; charset=utf-8"; |
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print_otag(h, TAG_META, 2, tag); |
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switch (tok) { |
tag[0].key = ATTR_NAME; |
case (ROFF_Sh): |
tag[0].val = "resource-type"; |
if ( ! ml_puts(mbuf, "blockquote", &res)) |
tag[1].key = ATTR_CONTENT; |
return(-1); |
tag[1].val = "document"; |
break; |
print_otag(h, TAG_META, 2, tag); |
case (ROFF_Bd): |
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if ( ! ml_puts(mbuf, "pre", &res)) |
if (h->style) { |
return(-1); |
tag[0].key = ATTR_REL; |
break; |
tag[0].val = "stylesheet"; |
case (ROFF_Bl): |
tag[1].key = ATTR_HREF; |
if ( ! ml_puts(mbuf, "ul", &res)) |
tag[1].val = h->style; |
return(-1); |
tag[2].key = ATTR_TYPE; |
break; |
tag[2].val = "text/css"; |
case (ROFF_It): |
tag[3].key = ATTR_MEDIA; |
if ( ! ml_puts(mbuf, "li", &res)) |
tag[3].val = "all"; |
return(-1); |
print_otag(h, TAG_LINK, 4, tag); |
break; |
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default: |
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if ( ! ml_puts(mbuf, "div", &res)) |
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return(-1); |
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break; |
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} |
} |
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} |
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return((size_t)res); |
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static void |
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print_spec(struct html *h, const char *p, int len) |
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{ |
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const char *rhs; |
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int i; |
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size_t sz; |
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rhs = chars_a2ascii(h->symtab, p, (size_t)len, &sz); |
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if (NULL == rhs) |
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return; |
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for (i = 0; i < (int)sz; i++) |
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putchar(rhs[i]); |
} |
} |
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/* ARGSUSED */ |
static void |
static ssize_t |
print_res(struct html *h, const char *p, int len) |
html_blocktagargs(struct md_mbuf *mbuf, const struct md_args *args, |
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int tok, const int *argc, const char **argv) |
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{ |
{ |
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const char *rhs; |
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int i; |
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size_t sz; |
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switch (tok) { |
rhs = chars_a2res(h->symtab, p, (size_t)len, &sz); |
default: |
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return(0); |
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} |
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return(-1); |
if (NULL == rhs) |
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return; |
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for (i = 0; i < (int)sz; i++) |
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putchar(rhs[i]); |
} |
} |
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/* ARGSUSED */ |
static void |
static ssize_t |
print_escape(struct html *h, const char **p) |
html_inlinetagargs(struct md_mbuf *mbuf, const struct md_args *args, |
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int tok, const int *argc, const char **argv) |
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{ |
{ |
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int j, type; |
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const char *wp; |
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switch (tok) { |
wp = *p; |
default: |
type = 1; |
return(0); |
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if (0 == *(++wp)) { |
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*p = wp; |
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return; |
} |
} |
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return(-1); |
if ('(' == *wp) { |
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wp++; |
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if (0 == *wp || 0 == *(wp + 1)) { |
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*p = 0 == *wp ? wp : wp + 1; |
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return; |
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} |
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print_spec(h, wp, 2); |
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*p = ++wp; |
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return; |
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} else if ('*' == *wp) { |
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if (0 == *(++wp)) { |
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*p = wp; |
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return; |
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} |
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switch (*wp) { |
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case ('('): |
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wp++; |
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if (0 == *wp || 0 == *(wp + 1)) { |
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*p = 0 == *wp ? wp : wp + 1; |
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return; |
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} |
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print_res(h, wp, 2); |
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*p = ++wp; |
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return; |
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case ('['): |
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type = 0; |
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break; |
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default: |
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print_res(h, wp, 1); |
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*p = wp; |
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return; |
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} |
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} else if ('f' == *wp) { |
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if (0 == *(++wp)) { |
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*p = wp; |
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return; |
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} |
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switch (*wp) { |
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case ('B'): |
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/* TODO */ |
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break; |
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case ('I'): |
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/* TODO */ |
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break; |
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case ('P'): |
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/* FALLTHROUGH */ |
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case ('R'): |
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/* TODO */ |
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break; |
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default: |
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break; |
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} |
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*p = wp; |
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return; |
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} else if ('[' != *wp) { |
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print_spec(h, wp, 1); |
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*p = wp; |
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return; |
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} |
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wp++; |
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for (j = 0; *wp && ']' != *wp; wp++, j++) |
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/* Loop... */ ; |
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if (0 == *wp) { |
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*p = wp; |
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return; |
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} |
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if (type) |
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print_spec(h, wp - j, j); |
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else |
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print_res(h, wp - j, j); |
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*p = wp; |
} |
} |
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static ssize_t |
static void |
html_inlinetagname(struct md_mbuf *mbuf, |
print_encode(struct html *h, const char *p) |
const struct md_args *args, int tok) |
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{ |
{ |
size_t res; |
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res = 0; |
for (; *p; p++) { |
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if ('\\' == *p) { |
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print_escape(h, &p); |
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continue; |
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} |
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switch (*p) { |
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case ('<'): |
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printf("<"); |
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break; |
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case ('>'): |
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printf(">"); |
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break; |
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case ('&'): |
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printf("&"); |
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break; |
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default: |
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putchar(*p); |
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break; |
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} |
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} |
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} |
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switch (tok) { |
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case (ROFF_Sh): |
struct tag * |
if ( ! ml_puts(mbuf, "h1", &res)) |
print_otag(struct html *h, enum htmltag tag, |
return(-1); |
int sz, const struct htmlpair *p) |
break; |
{ |
case (ROFF_Ss): |
int i; |
if ( ! ml_puts(mbuf, "h2", &res)) |
struct tag *t; |
return(-1); |
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break; |
if ( ! (HTML_NOSTACK & htmltags[tag].flags)) { |
default: |
if (NULL == (t = malloc(sizeof(struct tag)))) |
if ( ! ml_puts(mbuf, "span", &res)) |
err(EXIT_FAILURE, "malloc"); |
return(-1); |
t->tag = tag; |
break; |
t->next = h->tags.head; |
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h->tags.head = t; |
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} else |
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t = NULL; |
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if ( ! (HTML_NOSPACE & h->flags)) |
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if ( ! (HTML_CLRLINE & htmltags[tag].flags)) |
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printf(" "); |
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printf("<%s", htmltags[tag].name); |
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for (i = 0; i < sz; i++) { |
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printf(" %s=\"", htmlattrs[p[i].key]); |
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assert(p->val); |
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print_encode(h, p[i].val); |
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printf("\""); |
} |
} |
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printf(">"); |
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return((ssize_t)res); |
h->flags |= HTML_NOSPACE; |
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if (HTML_CLRLINE & htmltags[tag].flags) |
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h->flags |= HTML_NEWLINE; |
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else |
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h->flags &= ~HTML_NEWLINE; |
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return(t); |
} |
} |
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static ssize_t |
/* ARGSUSED */ |
html_begintag(struct md_mbuf *mbuf, const struct md_args *args, |
static void |
enum md_ns ns, int tok, |
print_ctag(struct html *h, enum htmltag tag) |
const int *argc, const char **argv) |
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{ |
{ |
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printf("</%s>", htmltags[tag].name); |
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if (HTML_CLRLINE & htmltags[tag].flags) |
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h->flags |= HTML_NOSPACE; |
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if (HTML_CLRLINE & htmltags[tag].flags) |
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h->flags |= HTML_NEWLINE; |
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else |
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h->flags &= ~HTML_NEWLINE; |
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} |
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assert(ns != MD_NS_DEFAULT); |
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if (MD_NS_BLOCK == ns) { |
/* ARGSUSED */ |
if ( ! html_blocktagname(mbuf, args, tok)) |
void |
return(0); |
print_gen_doctype(struct html *h) |
return(html_blocktagargs(mbuf, args, |
{ |
tok, argc, argv)); |
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printf("<!DOCTYPE HTML PUBLIC \"%s\" \"%s\">", DOCTYPE, DTD); |
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} |
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void |
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print_text(struct html *h, const char *p) |
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{ |
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|
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if (*p && 0 == *(p + 1)) |
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switch (*p) { |
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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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/* 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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|
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if ( ! (h->flags & HTML_NOSPACE)) |
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printf(" "); |
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h->flags &= ~HTML_NOSPACE; |
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h->flags &= ~HTML_NEWLINE; |
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if (p) |
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print_encode(h, p); |
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if (*p && 0 == *(p + 1)) |
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switch (*p) { |
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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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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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void |
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print_tagq(struct html *h, const struct tag *until) |
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{ |
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struct tag *tag; |
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|
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while ((tag = h->tags.head) != NULL) { |
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print_ctag(h, tag->tag); |
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h->tags.head = tag->next; |
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free(tag); |
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if (until && tag == until) |
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return; |
} |
} |
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} |
|
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if ( ! html_inlinetagname(mbuf, args, tok)) |
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return(0); |
void |
return(html_inlinetagargs(mbuf, args, tok, argc, argv)); |
print_stagq(struct html *h, const struct tag *suntil) |
|
{ |
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struct tag *tag; |
|
|
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while ((tag = h->tags.head) != NULL) { |
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if (suntil && tag == suntil) |
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return; |
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print_ctag(h, tag->tag); |
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h->tags.head = tag->next; |
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free(tag); |
|
} |
} |
} |
|
|
|
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static ssize_t |
void |
html_endtag(struct md_mbuf *mbuf, const struct md_args *args, |
bufinit(struct html *h) |
enum md_ns ns, int tok) |
|
{ |
{ |
|
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assert(ns != MD_NS_DEFAULT); |
h->buf[0] = '\0'; |
if (MD_NS_BLOCK == ns) |
h->buflen = 0; |
return(html_blocktagname(mbuf, args, tok)); |
} |
|
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return(html_inlinetagname(mbuf, args, tok)); |
|
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void |
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bufcat_style(struct html *h, const char *key, const char *val) |
|
{ |
|
|
|
bufcat(h, key); |
|
bufncat(h, ":", 1); |
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bufcat(h, val); |
|
bufncat(h, ";", 1); |
} |
} |
|
|
|
|
int |
void |
md_line_html(void *data, char *buf) |
bufcat(struct html *h, const char *p) |
{ |
{ |
|
|
return(mlg_line((struct md_mlg *)data, buf)); |
bufncat(h, p, strlen(p)); |
} |
} |
|
|
|
|
int |
void |
md_exit_html(void *data, int flush) |
buffmt(struct html *h, const char *fmt, ...) |
{ |
{ |
|
va_list ap; |
|
|
return(mlg_exit((struct md_mlg *)data, flush)); |
va_start(ap, fmt); |
|
(void)vsnprintf(h->buf + (int)h->buflen, |
|
BUFSIZ - h->buflen - 1, fmt, ap); |
|
va_end(ap); |
|
h->buflen = strlen(h->buf); |
} |
} |
|
|
|
|
void * |
void |
md_init_html(const struct md_args *args, |
bufncat(struct html *h, const char *p, size_t sz) |
struct md_mbuf *mbuf, const struct md_rbuf *rbuf) |
|
{ |
{ |
|
|
return(mlg_alloc(args, rbuf, mbuf, html_begintag, |
if (h->buflen + sz > BUFSIZ - 1) |
html_endtag, html_begin, html_end)); |
sz = BUFSIZ - 1 - h->buflen; |
|
|
|
(void)strncat(h->buf, p, sz); |
|
h->buflen += sz; |
|
} |
|
|
|
|
|
void |
|
buffmt_includes(struct html *h, const char *name) |
|
{ |
|
const char *p, *pp; |
|
|
|
pp = h->base_includes; |
|
|
|
while (NULL != (p = strchr(pp, '%'))) { |
|
bufncat(h, pp, (size_t)(p - pp)); |
|
switch (*(p + 1)) { |
|
case('I'): |
|
bufcat(h, name); |
|
break; |
|
default: |
|
bufncat(h, p, 2); |
|
break; |
|
} |
|
pp = p + 2; |
|
} |
|
if (pp) |
|
bufcat(h, pp); |
|
} |
|
|
|
|
|
void |
|
buffmt_man(struct html *h, |
|
const char *name, const char *sec) |
|
{ |
|
const char *p, *pp; |
|
|
|
pp = h->base_man; |
|
|
|
/* LINTED */ |
|
while (NULL != (p = strchr(pp, '%'))) { |
|
bufncat(h, pp, (size_t)(p - pp)); |
|
switch (*(p + 1)) { |
|
case('S'): |
|
bufcat(h, sec ? sec : "1"); |
|
break; |
|
case('N'): |
|
buffmt(h, name); |
|
break; |
|
default: |
|
bufncat(h, p, 2); |
|
break; |
|
} |
|
pp = p + 2; |
|
} |
|
if (pp) |
|
bufcat(h, pp); |
|
} |
|
|
|
|
|
void |
|
bufcat_su(struct html *h, const char *p, const struct roffsu *su) |
|
{ |
|
double v; |
|
const char *u; |
|
|
|
v = su->scale; |
|
|
|
switch (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; |
|
} |
|
|
|
if (su->pt) |
|
buffmt(h, "%s: %f%s;", p, v, u); |
|
else |
|
/* LINTED */ |
|
buffmt(h, "%s: %d%s;", p, (int)v, u); |
} |
} |
|
|