790 lines
18 KiB
C
790 lines
18 KiB
C
/*
|
|
* Copyright (c) 2009, Natacha Porté
|
|
* Copyright (c) 2011, Vicent Marti
|
|
*
|
|
* Permission to use, copy, modify, and distribute this software for any
|
|
* purpose with or without fee is hereby granted, provided that the above
|
|
* copyright notice and this permission notice appear in all copies.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
|
|
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
|
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
|
|
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
|
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
|
|
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
|
|
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
|
*/
|
|
|
|
#include "markdown.h"
|
|
#include "html.h"
|
|
|
|
#include <string.h>
|
|
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
#include <ctype.h>
|
|
#include <stdbool.h>
|
|
|
|
#include "houdini.h"
|
|
|
|
#define USE_XHTML(opt) (opt->flags & HTML_USE_XHTML)
|
|
|
|
int
|
|
sdhtml_is_tag(const uint8_t *tag_data, size_t tag_size, const char *tagname)
|
|
{
|
|
size_t i;
|
|
int closed = 0;
|
|
|
|
if (tag_size < 3 || tag_data[0] != '<')
|
|
return HTML_TAG_NONE;
|
|
|
|
i = 1;
|
|
|
|
if (tag_data[i] == '/') {
|
|
closed = 1;
|
|
i++;
|
|
}
|
|
|
|
for (; i < tag_size; ++i, ++tagname) {
|
|
if (*tagname == 0)
|
|
break;
|
|
|
|
if (tag_data[i] != *tagname)
|
|
return HTML_TAG_NONE;
|
|
}
|
|
|
|
if (i == tag_size)
|
|
return HTML_TAG_NONE;
|
|
|
|
if (isspace(tag_data[i]) || tag_data[i] == '>')
|
|
return closed ? HTML_TAG_CLOSE : HTML_TAG_OPEN;
|
|
|
|
return HTML_TAG_NONE;
|
|
}
|
|
|
|
static inline void escape_html(struct buf *ob, const uint8_t *source, size_t length)
|
|
{
|
|
houdini_escape_html0(ob, source, length, 0);
|
|
}
|
|
|
|
static inline void escape_href(struct buf *ob, const uint8_t *source, size_t length)
|
|
{
|
|
houdini_escape_href(ob, source, length);
|
|
}
|
|
|
|
/********************
|
|
* GENERIC RENDERER *
|
|
********************/
|
|
static int
|
|
rndr_autolink(struct buf *ob, const struct buf *link, enum mkd_autolink type, void *opaque)
|
|
{
|
|
struct html_renderopt *options = opaque;
|
|
uint8_t offset = 0;
|
|
|
|
if (!link || !link->size)
|
|
return 0;
|
|
|
|
if ((options->flags & HTML_SAFELINK) != 0 &&
|
|
!sd_autolink_issafe(link->data, link->size) &&
|
|
type != MKDA_EMAIL)
|
|
return 0;
|
|
|
|
BUFPUTSL(ob, "<a href=\"");
|
|
if (type == MKDA_EMAIL)
|
|
BUFPUTSL(ob, "mailto:");
|
|
escape_href(ob, link->data + offset, link->size - offset);
|
|
|
|
if (options->link_attributes) {
|
|
bufputc(ob, '\"');
|
|
options->link_attributes(ob, link, opaque);
|
|
bufputc(ob, '>');
|
|
} else {
|
|
BUFPUTSL(ob, "\">");
|
|
}
|
|
|
|
/*
|
|
* Pretty printing: if we get an email address as
|
|
* an actual URI, e.g. `mailto:foo@bar.com`, we don't
|
|
* want to print the `mailto:` prefix
|
|
*/
|
|
if (bufprefix(link, "mailto:") == 0) {
|
|
escape_html(ob, link->data + 7, link->size - 7);
|
|
} else {
|
|
escape_html(ob, link->data, link->size);
|
|
}
|
|
|
|
BUFPUTSL(ob, "</a>");
|
|
|
|
return 1;
|
|
}
|
|
|
|
static void
|
|
rndr_blockcode(struct buf *ob, const struct buf *text, const struct buf *lang, void *opaque)
|
|
{
|
|
if (ob->size) bufputc(ob, '\n');
|
|
|
|
if (lang && lang->size) {
|
|
size_t i, cls;
|
|
BUFPUTSL(ob, "<pre><code class=\"");
|
|
|
|
for (i = 0, cls = 0; i < lang->size; ++i, ++cls) {
|
|
while (i < lang->size && isspace(lang->data[i]))
|
|
i++;
|
|
|
|
if (i < lang->size) {
|
|
size_t org = i;
|
|
while (i < lang->size && !isspace(lang->data[i]))
|
|
i++;
|
|
|
|
if (lang->data[org] == '.')
|
|
org++;
|
|
|
|
if (cls) bufputc(ob, ' ');
|
|
escape_html(ob, lang->data + org, i - org);
|
|
}
|
|
}
|
|
|
|
BUFPUTSL(ob, "\">");
|
|
} else
|
|
BUFPUTSL(ob, "<pre><code>");
|
|
|
|
if (text)
|
|
escape_html(ob, text->data, text->size);
|
|
|
|
BUFPUTSL(ob, "</code></pre>\n");
|
|
}
|
|
|
|
static void
|
|
rndr_blockquote(struct buf *ob, const struct buf *text, void *opaque)
|
|
{
|
|
if (ob->size) bufputc(ob, '\n');
|
|
BUFPUTSL(ob, "<blockquote>\n");
|
|
if (text) bufput(ob, text->data, text->size);
|
|
BUFPUTSL(ob, "</blockquote>\n");
|
|
}
|
|
|
|
static int
|
|
rndr_codespan(struct buf *ob, const struct buf *text, void *opaque)
|
|
{
|
|
BUFPUTSL(ob, "<code>");
|
|
if (text) escape_html(ob, text->data, text->size);
|
|
BUFPUTSL(ob, "</code>");
|
|
return 1;
|
|
}
|
|
|
|
static int
|
|
rndr_strikethrough(struct buf *ob, const struct buf *text, void *opaque)
|
|
{
|
|
if (!text || !text->size)
|
|
return 0;
|
|
|
|
BUFPUTSL(ob, "<del>");
|
|
bufput(ob, text->data, text->size);
|
|
BUFPUTSL(ob, "</del>");
|
|
return 1;
|
|
}
|
|
|
|
static int
|
|
rndr_double_emphasis(struct buf *ob, const struct buf *text, void *opaque)
|
|
{
|
|
if (!text || !text->size)
|
|
return 0;
|
|
|
|
BUFPUTSL(ob, "<strong>");
|
|
bufput(ob, text->data, text->size);
|
|
BUFPUTSL(ob, "</strong>");
|
|
|
|
return 1;
|
|
}
|
|
|
|
static int
|
|
rndr_emphasis(struct buf *ob, const struct buf *text, void *opaque)
|
|
{
|
|
if (!text || !text->size) return 0;
|
|
BUFPUTSL(ob, "<em>");
|
|
if (text) bufput(ob, text->data, text->size);
|
|
BUFPUTSL(ob, "</em>");
|
|
return 1;
|
|
}
|
|
|
|
static int
|
|
rndr_linebreak(struct buf *ob, void *opaque)
|
|
{
|
|
struct html_renderopt *options = opaque;
|
|
bufputs(ob, USE_XHTML(options) ? "<br/>\n" : "<br>\n");
|
|
return 1;
|
|
}
|
|
|
|
static void
|
|
rndr_header(struct buf *ob, const struct buf *text, int level, void *opaque)
|
|
{
|
|
struct html_renderopt *options = opaque;
|
|
|
|
if (ob->size)
|
|
bufputc(ob, '\n');
|
|
|
|
if (options->flags & HTML_TOC) {
|
|
bufprintf(ob, "<h%d id=\"", level);
|
|
if (options->toc_id_prefix) {
|
|
bufputs(ob, options->toc_id_prefix);
|
|
}
|
|
bufprintf(ob, "toc_%d\">", options->toc_data.header_count++);
|
|
} else {
|
|
bufprintf(ob, "<h%d>", level);
|
|
}
|
|
|
|
if (text) bufput(ob, text->data, text->size);
|
|
bufprintf(ob, "</h%d>\n", level);
|
|
}
|
|
|
|
static int
|
|
rndr_link(struct buf *ob, const struct buf *link, const struct buf *title, const struct buf *content, void *opaque)
|
|
{
|
|
struct html_renderopt *options = opaque;
|
|
|
|
if (link != NULL && (options->flags & HTML_SAFELINK) != 0 && !sd_autolink_issafe(link->data, link->size))
|
|
return 0;
|
|
|
|
BUFPUTSL(ob, "<a href=\"");
|
|
|
|
if (link && link->size)
|
|
escape_href(ob, link->data, link->size);
|
|
|
|
if (title && title->size) {
|
|
BUFPUTSL(ob, "\" title=\"");
|
|
escape_html(ob, title->data, title->size);
|
|
}
|
|
|
|
if (options->link_attributes) {
|
|
bufputc(ob, '\"');
|
|
options->link_attributes(ob, link, opaque);
|
|
bufputc(ob, '>');
|
|
} else {
|
|
BUFPUTSL(ob, "\">");
|
|
}
|
|
|
|
if (content && content->size) bufput(ob, content->data, content->size);
|
|
BUFPUTSL(ob, "</a>");
|
|
return 1;
|
|
}
|
|
|
|
static void
|
|
rndr_list(struct buf *ob, const struct buf *text, int flags, void *opaque)
|
|
{
|
|
if (ob->size) bufputc(ob, '\n');
|
|
bufput(ob, flags & MKD_LIST_ORDERED ? "<ol>\n" : "<ul>\n", 5);
|
|
if (text) bufput(ob, text->data, text->size);
|
|
bufput(ob, flags & MKD_LIST_ORDERED ? "</ol>\n" : "</ul>\n", 6);
|
|
}
|
|
|
|
static void
|
|
rndr_listitem(struct buf *ob, const struct buf *text, int flags, void *opaque)
|
|
{
|
|
BUFPUTSL(ob, "<li>");
|
|
if (text) {
|
|
size_t size = text->size;
|
|
while (size && text->data[size - 1] == '\n')
|
|
size--;
|
|
|
|
bufput(ob, text->data, size);
|
|
}
|
|
BUFPUTSL(ob, "</li>\n");
|
|
}
|
|
|
|
static void
|
|
rndr_paragraph(struct buf *ob, const struct buf *text, void *opaque)
|
|
{
|
|
struct html_renderopt *options = opaque;
|
|
size_t i = 0;
|
|
|
|
if (ob->size) bufputc(ob, '\n');
|
|
|
|
if (!text || !text->size)
|
|
return;
|
|
|
|
while (i < text->size && isspace(text->data[i])) i++;
|
|
|
|
if (i == text->size)
|
|
return;
|
|
|
|
BUFPUTSL(ob, "<p>");
|
|
if (options->flags & HTML_HARD_WRAP) {
|
|
size_t org;
|
|
while (i < text->size) {
|
|
org = i;
|
|
while (i < text->size && text->data[i] != '\n')
|
|
i++;
|
|
|
|
if (i > org)
|
|
bufput(ob, text->data + org, i - org);
|
|
|
|
/*
|
|
* do not insert a line break if this newline
|
|
* is the last character on the paragraph
|
|
*/
|
|
if (i >= text->size - 1)
|
|
break;
|
|
|
|
rndr_linebreak(ob, opaque);
|
|
i++;
|
|
}
|
|
} else {
|
|
bufput(ob, &text->data[i], text->size - i);
|
|
}
|
|
BUFPUTSL(ob, "</p>\n");
|
|
}
|
|
|
|
static void
|
|
rndr_raw_block(struct buf *ob, const struct buf *text, void *opaque)
|
|
{
|
|
size_t org, sz;
|
|
if (!text) return;
|
|
sz = text->size;
|
|
while (sz > 0 && text->data[sz - 1] == '\n') sz--;
|
|
org = 0;
|
|
while (org < sz && text->data[org] == '\n') org++;
|
|
if (org >= sz) return;
|
|
if (ob->size) bufputc(ob, '\n');
|
|
bufput(ob, text->data + org, sz - org);
|
|
bufputc(ob, '\n');
|
|
}
|
|
|
|
static int
|
|
rndr_triple_emphasis(struct buf *ob, const struct buf *text, void *opaque)
|
|
{
|
|
if (!text || !text->size) return 0;
|
|
BUFPUTSL(ob, "<strong><em>");
|
|
bufput(ob, text->data, text->size);
|
|
BUFPUTSL(ob, "</em></strong>");
|
|
return 1;
|
|
}
|
|
|
|
static void
|
|
rndr_hrule(struct buf *ob, void *opaque)
|
|
{
|
|
struct html_renderopt *options = opaque;
|
|
if (ob->size) bufputc(ob, '\n');
|
|
bufputs(ob, USE_XHTML(options) ? "<hr/>\n" : "<hr>\n");
|
|
}
|
|
|
|
static int
|
|
rndr_image(struct buf *ob, const struct buf *link, const struct buf *title, const struct buf *alt, void *opaque)
|
|
{
|
|
struct html_renderopt *options = opaque;
|
|
if (!link || !link->size) return 0;
|
|
|
|
BUFPUTSL(ob, "<img src=\"");
|
|
escape_href(ob, link->data, link->size);
|
|
BUFPUTSL(ob, "\" alt=\"");
|
|
|
|
if (alt && alt->size)
|
|
escape_html(ob, alt->data, alt->size);
|
|
|
|
if (title && title->size) {
|
|
BUFPUTSL(ob, "\" title=\"");
|
|
escape_html(ob, title->data, title->size); }
|
|
|
|
bufputs(ob, USE_XHTML(options) ? "\"/>" : "\">");
|
|
return 1;
|
|
}
|
|
|
|
static void
|
|
rndr_html_tag(struct buf *ob, const struct buf *text, void *opaque,
|
|
char* tagname, char** whitelist, int tagtype)
|
|
{
|
|
size_t i, x, z, in_str = 0, seen_equals = 0, done = 0, done_attr = 0, reset = 0;
|
|
struct buf *attr;
|
|
struct buf *value;
|
|
char c;
|
|
|
|
bufputc(ob, '<');
|
|
|
|
if(tagtype == HTML_TAG_CLOSE) {
|
|
bufputc(ob, '/');
|
|
bufputs(ob, tagname);
|
|
bufputc(ob, '>');
|
|
return;
|
|
}
|
|
|
|
bufputs(ob, tagname);
|
|
i = 1 + strlen(tagname);
|
|
|
|
attr = bufnew(16);
|
|
value = bufnew(16);
|
|
|
|
for(; i < text->size && !done; i++) {
|
|
c = text->data[i];
|
|
done = 0;
|
|
reset = 0;
|
|
done_attr = 0;
|
|
|
|
switch(c) {
|
|
case '>':
|
|
done = 1;
|
|
break;
|
|
case '\'':
|
|
case '"':
|
|
if(!seen_equals) {
|
|
reset = 1;
|
|
} else if(!in_str) {
|
|
in_str = c;
|
|
} else if(in_str == c) {
|
|
in_str = 0;
|
|
done_attr = 1;
|
|
} else {
|
|
bufputc(value, c);
|
|
}
|
|
break;
|
|
case ' ':
|
|
if (in_str) {
|
|
bufputc(value, ' ');
|
|
} else {
|
|
reset = 1;
|
|
}
|
|
break;
|
|
case '=':
|
|
if(seen_equals) {
|
|
reset = 1;
|
|
break;
|
|
}
|
|
seen_equals = 1;
|
|
break;
|
|
default:
|
|
if(seen_equals && in_str || !seen_equals) {
|
|
bufputc(seen_equals ? value : attr, c);
|
|
}
|
|
break;
|
|
}
|
|
|
|
if(done_attr) {
|
|
int valid = 0;
|
|
for(z = 0; whitelist[z]; z++) {
|
|
if(strlen(whitelist[z]) != attr->size) {
|
|
continue;
|
|
}
|
|
for(x = 0; x < attr->size; x++) {
|
|
if(tolower(whitelist[z][x]) != tolower(attr->data[x])) {
|
|
break;
|
|
}
|
|
}
|
|
if(x == attr->size) {
|
|
valid = 1;
|
|
break;
|
|
}
|
|
}
|
|
if(valid && value->size && attr->size) {
|
|
bufputc(ob, ' ');
|
|
escape_html(ob, attr->data, attr->size);
|
|
bufputs(ob, "=\"");
|
|
escape_html(ob, value->data, value->size);
|
|
bufputc(ob, '"');
|
|
}
|
|
reset = 1;
|
|
}
|
|
|
|
if(reset) {
|
|
seen_equals = 0;
|
|
in_str = 0;
|
|
bufreset(attr);
|
|
bufreset(value);
|
|
}
|
|
}
|
|
|
|
bufrelease(attr);
|
|
bufrelease(value);
|
|
|
|
bufputc(ob, '>');
|
|
}
|
|
|
|
static int
|
|
rndr_raw_html(struct buf *ob, const struct buf *text, void *opaque)
|
|
{
|
|
struct html_renderopt *options = opaque;
|
|
char** whitelist = options->html_element_whitelist;
|
|
int i, tagtype;
|
|
|
|
/* Items on the whitelist ignore all other flags and just output */
|
|
if (((options->flags & HTML_ALLOW_ELEMENT_WHITELIST) != 0) && whitelist) {
|
|
for (i = 0; whitelist[i]; i++) {
|
|
tagtype = sdhtml_is_tag(text->data, text->size, whitelist[i]);
|
|
if (tagtype != HTML_TAG_NONE) {
|
|
rndr_html_tag(ob, text, opaque,
|
|
whitelist[i],
|
|
options->html_attr_whitelist,
|
|
tagtype);
|
|
return 1;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* HTML_ESCAPE overrides SKIP_HTML, SKIP_STYLE, SKIP_LINKS and SKIP_IMAGES
|
|
* It doens't see if there are any valid tags, just escape all of them. */
|
|
if((options->flags & HTML_ESCAPE) != 0) {
|
|
escape_html(ob, text->data, text->size);
|
|
return 1;
|
|
}
|
|
|
|
if ((options->flags & HTML_SKIP_HTML) != 0)
|
|
return 1;
|
|
|
|
if ((options->flags & HTML_SKIP_STYLE) != 0 &&
|
|
sdhtml_is_tag(text->data, text->size, "style"))
|
|
return 1;
|
|
|
|
if ((options->flags & HTML_SKIP_LINKS) != 0 &&
|
|
sdhtml_is_tag(text->data, text->size, "a"))
|
|
return 1;
|
|
|
|
if ((options->flags & HTML_SKIP_IMAGES) != 0 &&
|
|
sdhtml_is_tag(text->data, text->size, "img"))
|
|
return 1;
|
|
|
|
bufput(ob, text->data, text->size);
|
|
return 1;
|
|
}
|
|
|
|
static void
|
|
rndr_table(struct buf *ob, const struct buf *header, const struct buf *body, void *opaque)
|
|
{
|
|
if (ob->size) bufputc(ob, '\n');
|
|
BUFPUTSL(ob, "<table><thead>\n");
|
|
if (header)
|
|
bufput(ob, header->data, header->size);
|
|
BUFPUTSL(ob, "</thead><tbody>\n");
|
|
if (body)
|
|
bufput(ob, body->data, body->size);
|
|
BUFPUTSL(ob, "</tbody></table>\n");
|
|
}
|
|
|
|
static void
|
|
rndr_tablerow(struct buf *ob, const struct buf *text, void *opaque)
|
|
{
|
|
BUFPUTSL(ob, "<tr>\n");
|
|
if (text)
|
|
bufput(ob, text->data, text->size);
|
|
BUFPUTSL(ob, "</tr>\n");
|
|
}
|
|
|
|
static void
|
|
rndr_tablecell(struct buf *ob, const struct buf *text, int flags, void *opaque, int col_span)
|
|
{
|
|
if (flags & MKD_TABLE_HEADER) {
|
|
BUFPUTSL(ob, "<th");
|
|
} else {
|
|
BUFPUTSL(ob, "<td");
|
|
}
|
|
|
|
if (col_span > 1) {
|
|
bufprintf(ob, " colspan=\"%d\" ", col_span);
|
|
}
|
|
|
|
switch (flags & MKD_TABLE_ALIGNMASK) {
|
|
case MKD_TABLE_ALIGN_CENTER:
|
|
BUFPUTSL(ob, " align=\"center\">");
|
|
break;
|
|
|
|
case MKD_TABLE_ALIGN_L:
|
|
BUFPUTSL(ob, " align=\"left\">");
|
|
break;
|
|
|
|
case MKD_TABLE_ALIGN_R:
|
|
BUFPUTSL(ob, " align=\"right\">");
|
|
break;
|
|
|
|
default:
|
|
BUFPUTSL(ob, ">");
|
|
}
|
|
|
|
if (text)
|
|
bufput(ob, text->data, text->size);
|
|
|
|
if (flags & MKD_TABLE_HEADER) {
|
|
BUFPUTSL(ob, "</th>\n");
|
|
} else {
|
|
BUFPUTSL(ob, "</td>\n");
|
|
}
|
|
}
|
|
|
|
static int
|
|
rndr_superscript(struct buf *ob, const struct buf *text, void *opaque)
|
|
{
|
|
if (!text || !text->size) return 0;
|
|
BUFPUTSL(ob, "<sup>");
|
|
bufput(ob, text->data, text->size);
|
|
BUFPUTSL(ob, "</sup>");
|
|
return 1;
|
|
}
|
|
|
|
static void
|
|
rndr_normal_text(struct buf *ob, const struct buf *text, void *opaque)
|
|
{
|
|
if (text)
|
|
escape_html(ob, text->data, text->size);
|
|
}
|
|
|
|
static void
|
|
toc_header(struct buf *ob, const struct buf *text, int level, void *opaque)
|
|
{
|
|
struct html_renderopt *options = opaque;
|
|
|
|
/* set the level offset if this is the first header
|
|
* we're parsing for the document */
|
|
if (options->toc_data.current_level == 0) {
|
|
BUFPUTSL(ob, "<div class=\"toc\">\n");
|
|
options->toc_data.level_offset = level - 1;
|
|
}
|
|
level -= options->toc_data.level_offset;
|
|
|
|
if (level > options->toc_data.current_level) {
|
|
while (level > options->toc_data.current_level) {
|
|
BUFPUTSL(ob, "<ul>\n<li>\n");
|
|
options->toc_data.current_level++;
|
|
}
|
|
} else if (level < options->toc_data.current_level) {
|
|
BUFPUTSL(ob, "</li>\n");
|
|
while (level < options->toc_data.current_level) {
|
|
BUFPUTSL(ob, "</ul>\n</li>\n");
|
|
options->toc_data.current_level--;
|
|
}
|
|
BUFPUTSL(ob,"<li>\n");
|
|
} else {
|
|
BUFPUTSL(ob,"</li>\n<li>\n");
|
|
}
|
|
|
|
BUFPUTSL(ob, "<a href=\"#");
|
|
|
|
if (options->toc_id_prefix) {
|
|
bufputs(ob, options->toc_id_prefix);
|
|
}
|
|
|
|
bufprintf(ob, "toc_%d\">", options->toc_data.header_count++);
|
|
if (text)
|
|
escape_html(ob, text->data, text->size);
|
|
BUFPUTSL(ob, "</a>\n");
|
|
}
|
|
|
|
static int
|
|
toc_link(struct buf *ob, const struct buf *link, const struct buf *title, const struct buf *content, void *opaque)
|
|
{
|
|
if (content && content->size)
|
|
bufput(ob, content->data, content->size);
|
|
return 1;
|
|
}
|
|
|
|
static void
|
|
reset_toc(struct buf *ob, void *opaque)
|
|
{
|
|
struct html_renderopt *options = opaque;
|
|
|
|
memset(&(options->toc_data), 0, sizeof(options->toc_data));
|
|
}
|
|
|
|
static void
|
|
toc_finalize(struct buf *ob, void *opaque)
|
|
{
|
|
struct html_renderopt *options = opaque;
|
|
bool has_toc = false;
|
|
while (options->toc_data.current_level > 0) {
|
|
BUFPUTSL(ob, "</li>\n</ul>\n");
|
|
options->toc_data.current_level--;
|
|
has_toc = true;
|
|
}
|
|
if(has_toc) {
|
|
BUFPUTSL(ob, "</div>\n");
|
|
}
|
|
reset_toc(ob, opaque);
|
|
}
|
|
|
|
void
|
|
sdhtml_toc_renderer(struct sd_callbacks *callbacks, struct html_renderopt *options)
|
|
{
|
|
static const struct sd_callbacks cb_default = {
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
toc_header,
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
|
|
NULL,
|
|
rndr_codespan,
|
|
rndr_double_emphasis,
|
|
rndr_emphasis,
|
|
NULL,
|
|
NULL,
|
|
toc_link,
|
|
NULL,
|
|
rndr_triple_emphasis,
|
|
rndr_strikethrough,
|
|
rndr_superscript,
|
|
|
|
NULL,
|
|
NULL,
|
|
|
|
NULL,
|
|
toc_finalize,
|
|
};
|
|
|
|
memset(options, 0x0, sizeof(struct html_renderopt));
|
|
options->flags = HTML_TOC | HTML_SKIP_HTML;
|
|
|
|
memcpy(callbacks, &cb_default, sizeof(struct sd_callbacks));
|
|
}
|
|
|
|
void
|
|
sdhtml_renderer(struct sd_callbacks *callbacks, struct html_renderopt *options, unsigned int render_flags)
|
|
{
|
|
static const struct sd_callbacks cb_default = {
|
|
rndr_blockcode,
|
|
rndr_blockquote,
|
|
rndr_raw_block,
|
|
rndr_header,
|
|
rndr_hrule,
|
|
rndr_list,
|
|
rndr_listitem,
|
|
rndr_paragraph,
|
|
rndr_table,
|
|
rndr_tablerow,
|
|
rndr_tablecell,
|
|
|
|
rndr_autolink,
|
|
rndr_codespan,
|
|
rndr_double_emphasis,
|
|
rndr_emphasis,
|
|
rndr_image,
|
|
rndr_linebreak,
|
|
rndr_link,
|
|
rndr_raw_html,
|
|
rndr_triple_emphasis,
|
|
rndr_strikethrough,
|
|
rndr_superscript,
|
|
|
|
NULL,
|
|
rndr_normal_text,
|
|
|
|
NULL,
|
|
reset_toc,
|
|
};
|
|
|
|
/* Prepare the options pointer */
|
|
memset(options, 0x0, sizeof(struct html_renderopt));
|
|
options->flags = render_flags;
|
|
|
|
/* Prepare the callbacks */
|
|
memcpy(callbacks, &cb_default, sizeof(struct sd_callbacks));
|
|
|
|
if (render_flags & HTML_SKIP_IMAGES)
|
|
callbacks->image = NULL;
|
|
|
|
if (render_flags & HTML_SKIP_LINKS) {
|
|
callbacks->link = NULL;
|
|
callbacks->autolink = NULL;
|
|
}
|
|
|
|
if (render_flags & HTML_SKIP_HTML || render_flags & HTML_ESCAPE)
|
|
callbacks->blockhtml = NULL;
|
|
}
|