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Code Issues Projects Releases Wiki Activity

support cross referencing in markdown renderer

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lxsang 2020-09-15 14:33:58 +02:00
parent 2a89d5a441
commit 38724476a2
4 changed files with 400 additions and 220 deletions
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dist/lua-0.5.2b.tar.gz vendored
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1
lib/md/md.c
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@ -24,6 +24,7 @@ static int l_md_to_html(lua_State *L)
}
// duplicate top of the stack
lua_pushvalue(L, -1);
reset_hd_cnt();
if (md_html(input,
strlen(input),
md_process_output,

421
lib/md/md4c/md4c-html.c
View File

@ -29,6 +29,7 @@
#include "md4c-html.h"
#include "entity.h"
static int hd_cnt[6] = {0, 0, 0, 0, 0, 0};
#if !defined(__STDC_VERSION__) || __STDC_VERSION__ < 199409L
/* C89/90 or old compilers in general may not understand "inline". */
@ -45,10 +46,9 @@
#define snprintf _snprintf
#endif
typedef struct MD_HTML_tag MD_HTML;
struct MD_HTML_tag {
struct MD_HTML_tag
{
void (*process_output)(const MD_CHAR *, MD_SIZE, void *);
void *userdata;
unsigned flags;
@ -59,7 +59,6 @@ struct MD_HTML_tag {
#define NEED_HTML_ESC_FLAG 0x1
#define NEED_URL_ESC_FLAG 0x2
/*****************************************
*** HTML rendering helper functions ***
*****************************************/
@ -69,7 +68,6 @@ struct MD_HTML_tag {
#define ISUPPER(ch) ('A' <= (ch) && (ch) <= 'Z')
#define ISALNUM(ch) (ISLOWER(ch) || ISUPPER(ch) || ISDIGIT(ch))
static inline void
render_verbatim(MD_HTML *r, const MD_CHAR *text, MD_SIZE size)
{
@ -81,7 +79,6 @@ render_verbatim(MD_HTML* r, const MD_CHAR* text, MD_SIZE size)
#define RENDER_VERBATIM(r, verbatim) \
render_verbatim((r), (verbatim), (MD_SIZE)(strlen(verbatim)))
static void
render_html_escaped(MD_HTML *r, const MD_CHAR *data, MD_SIZE size)
{
@ -91,10 +88,10 @@ render_html_escaped(MD_HTML* r, const MD_CHAR* data, MD_SIZE size)
/* Some characters need to be escaped in normal HTML text. */
#define NEED_HTML_ESC(ch) (r->escape_map[(unsigned char)(ch)] & NEED_HTML_ESC_FLAG)
while(1) {
while (1)
{
/* Optimization: Use some loop unrolling. */
while(off + 3 < size && !NEED_HTML_ESC(data[off+0]) && !NEED_HTML_ESC(data[off+1])
&& !NEED_HTML_ESC(data[off+2]) && !NEED_HTML_ESC(data[off+3]))
while (off + 3 < size && !NEED_HTML_ESC(data[off + 0]) && !NEED_HTML_ESC(data[off + 1]) && !NEED_HTML_ESC(data[off + 2]) && !NEED_HTML_ESC(data[off + 3]))
off += 4;
while (off < size && !NEED_HTML_ESC(data[off]))
off++;
@ -102,15 +99,27 @@ render_html_escaped(MD_HTML* r, const MD_CHAR* data, MD_SIZE size)
if (off > beg)
render_verbatim(r, data + beg, off - beg);
if(off < size) {
switch(data[off]) {
case '&': RENDER_VERBATIM(r, "&amp;"); break;
case '<': RENDER_VERBATIM(r, "&lt;"); break;
case '>': RENDER_VERBATIM(r, "&gt;"); break;
case '"': RENDER_VERBATIM(r, "&quot;"); break;
if (off < size)
{
switch (data[off])
{
case '&':
RENDER_VERBATIM(r, "&amp;");
break;
case '<':
RENDER_VERBATIM(r, "&lt;");
break;
case '>':
RENDER_VERBATIM(r, "&gt;");
break;
case '"':
RENDER_VERBATIM(r, "&quot;");
break;
}
off++;
} else {
}
else
{
break;
}
beg = off;
@ -127,17 +136,22 @@ render_url_escaped(MD_HTML* r, const MD_CHAR* data, MD_SIZE size)
/* Some characters need to be escaped in URL attributes. */
#define NEED_URL_ESC(ch) (r->escape_map[(unsigned char)(ch)] & NEED_URL_ESC_FLAG)
while(1) {
while (1)
{
while (off < size && !NEED_URL_ESC(data[off]))
off++;
if (off > beg)
render_verbatim(r, data + beg, off - beg);
if(off < size) {
if (off < size)
{
char hex[3];
switch(data[off]) {
case '&': RENDER_VERBATIM(r, "&amp;"); break;
switch (data[off])
{
case '&':
RENDER_VERBATIM(r, "&amp;");
break;
default:
hex[0] = '%';
hex[1] = hex_chars[((unsigned)data[off] >> 4) & 0xf];
@ -146,7 +160,9 @@ render_url_escaped(MD_HTML* r, const MD_CHAR* data, MD_SIZE size)
break;
}
off++;
} else {
}
else
{
break;
}
@ -174,19 +190,26 @@ render_utf8_codepoint(MD_HTML* r, unsigned codepoint,
unsigned char utf8[4];
size_t n;
if(codepoint <= 0x7f) {
if (codepoint <= 0x7f)
{
n = 1;
utf8[0] = codepoint;
} else if(codepoint <= 0x7ff) {
}
else if (codepoint <= 0x7ff)
{
n = 2;
utf8[0] = 0xc0 | ((codepoint >> 6) & 0x1f);
utf8[1] = 0x80 + ((codepoint >> 0) & 0x3f);
} else if(codepoint <= 0xffff) {
}
else if (codepoint <= 0xffff)
{
n = 3;
utf8[0] = 0xe0 | ((codepoint >> 12) & 0xf);
utf8[1] = 0x80 + ((codepoint >> 6) & 0x3f);
utf8[2] = 0x80 + ((codepoint >> 0) & 0x3f);
} else {
}
else
{
n = 4;
utf8[0] = 0xf0 | ((codepoint >> 18) & 0x7);
utf8[1] = 0x80 + ((codepoint >> 12) & 0x3f);
@ -206,21 +229,26 @@ static void
render_entity(MD_HTML *r, const MD_CHAR *text, MD_SIZE size,
void (*fn_append)(MD_HTML *, const MD_CHAR *, MD_SIZE))
{
if(r->flags & MD_HTML_FLAG_VERBATIM_ENTITIES) {
if (r->flags & MD_HTML_FLAG_VERBATIM_ENTITIES)
{
render_verbatim(r, text, size);
return;
}
/* We assume UTF-8 output is what is desired. */
if(size > 3 && text[1] == '#') {
if (size > 3 && text[1] == '#')
{
unsigned codepoint = 0;
if(text[2] == 'x' || text[2] == 'X') {
if (text[2] == 'x' || text[2] == 'X')
{
/* Hexadecimal entity (e.g. "&#x1234abcd;")). */
MD_SIZE i;
for (i = 3; i < size - 1; i++)
codepoint = 16 * codepoint + hex_val(text[i]);
} else {
}
else
{
/* Decimal entity (e.g. "&1234;") */
MD_SIZE i;
for (i = 2; i < size - 1; i++)
@ -229,12 +257,15 @@ render_entity(MD_HTML* r, const MD_CHAR* text, MD_SIZE size,
render_utf8_codepoint(r, codepoint, fn_append);
return;
} else {
}
else
{
/* Named entity (e.g. "&nbsp;"). */
const struct entity *ent;
ent = entity_lookup(text, size);
if(ent != NULL) {
if (ent != NULL)
{
render_utf8_codepoint(r, ent->codepoints[0], fn_append);
if (ent->codepoints[1])
render_utf8_codepoint(r, ent->codepoints[1], fn_append);
@ -251,27 +282,35 @@ render_attribute(MD_HTML* r, const MD_ATTRIBUTE* attr,
{
int i;
for(i = 0; attr->substr_offsets[i] < attr->size; i++) {
for (i = 0; attr->substr_offsets[i] < attr->size; i++)
{
MD_TEXTTYPE type = attr->substr_types[i];
MD_OFFSET off = attr->substr_offsets[i];
MD_SIZE size = attr->substr_offsets[i + 1] - off;
const MD_CHAR *text = attr->text + off;
switch(type) {
case MD_TEXT_NULLCHAR: render_utf8_codepoint(r, 0x0000, render_verbatim); break;
case MD_TEXT_ENTITY: render_entity(r, text, size, fn_append); break;
default: fn_append(r, text, size); break;
switch (type)
{
case MD_TEXT_NULLCHAR:
render_utf8_codepoint(r, 0x0000, render_verbatim);
break;
case MD_TEXT_ENTITY:
render_entity(r, text, size, fn_append);
break;
default:
fn_append(r, text, size);
break;
}
}
}
static void
render_open_ol_block(MD_HTML *r, const MD_BLOCK_OL_DETAIL *det)
{
char buf[64];
if(det->start == 1) {
if (det->start == 1)
{
RENDER_VERBATIM(r, "<ol>\n");
return;
}
@ -283,13 +322,16 @@ render_open_ol_block(MD_HTML* r, const MD_BLOCK_OL_DETAIL* det)
static void
render_open_li_block(MD_HTML *r, const MD_BLOCK_LI_DETAIL *det)
{
if(det->is_task) {
if (det->is_task)
{
RENDER_VERBATIM(r, "<li class=\"task-list-item\">"
"<input type=\"checkbox\" class=\"task-list-item-checkbox\" disabled");
if (det->task_mark == 'x' || det->task_mark == 'X')
RENDER_VERBATIM(r, " checked");
RENDER_VERBATIM(r, ">");
} else {
}
else
{
RENDER_VERBATIM(r, "<li>");
}
}
@ -300,7 +342,8 @@ render_open_code_block(MD_HTML* r, const MD_BLOCK_CODE_DETAIL* det)
RENDER_VERBATIM(r, "<pre><code");
/* If known, output the HTML 5 attribute class="language-LANGNAME". */
if(det->lang.text != NULL) {
if (det->lang.text != NULL)
{
RENDER_VERBATIM(r, " class=\"language-");
render_attribute(r, &det->lang, render_html_escaped);
RENDER_VERBATIM(r, "\"");
@ -315,11 +358,20 @@ render_open_td_block(MD_HTML* r, const MD_CHAR* cell_type, const MD_BLOCK_TD_DET
RENDER_VERBATIM(r, "<");
RENDER_VERBATIM(r, cell_type);
switch(det->align) {
case MD_ALIGN_LEFT: RENDER_VERBATIM(r, " align=\"left\">"); break;
case MD_ALIGN_CENTER: RENDER_VERBATIM(r, " align=\"center\">"); break;
case MD_ALIGN_RIGHT: RENDER_VERBATIM(r, " align=\"right\">"); break;
default: RENDER_VERBATIM(r, ">"); break;
switch (det->align)
{
case MD_ALIGN_LEFT:
RENDER_VERBATIM(r, " align=\"left\">");
break;
case MD_ALIGN_CENTER:
RENDER_VERBATIM(r, " align=\"center\">");
break;
case MD_ALIGN_RIGHT:
RENDER_VERBATIM(r, " align=\"right\">");
break;
default:
RENDER_VERBATIM(r, ">");
break;
}
}
@ -329,7 +381,8 @@ render_open_a_span(MD_HTML* r, const MD_SPAN_A_DETAIL* det)
RENDER_VERBATIM(r, "<a href=\"");
render_attribute(r, &det->href, render_url_escaped);
if(det->title.text != NULL) {
if (det->title.text != NULL)
{
RENDER_VERBATIM(r, "\" title=\"");
render_attribute(r, &det->title, render_html_escaped);
}
@ -351,7 +404,8 @@ render_open_img_span(MD_HTML* r, const MD_SPAN_IMG_DETAIL* det)
static void
render_close_img_span(MD_HTML *r, const MD_SPAN_IMG_DETAIL *det)
{
if(det->title.text != NULL) {
if (det->title.text != NULL)
{
RENDER_VERBATIM(r, "\" title=\"");
render_attribute(r, &det->title, render_html_escaped);
}
@ -370,7 +424,6 @@ render_open_wikilink_span(MD_HTML* r, const MD_SPAN_WIKILINK_DETAIL* det)
RENDER_VERBATIM(r, "\">");
}
/**************************************
*** HTML renderer implementation ***
**************************************/
@ -380,24 +433,58 @@ enter_block_callback(MD_BLOCKTYPE type, void* detail, void* userdata)
{
static const MD_CHAR *head[6] = {"<h1>", "<h2>", "<h3>", "<h4>", "<h5>", "<h6>"};
MD_HTML *r = (MD_HTML *)userdata;
switch(type) {
case MD_BLOCK_DOC: /* noop */ break;
case MD_BLOCK_QUOTE: RENDER_VERBATIM(r, "<blockquote>\n"); break;
case MD_BLOCK_UL: RENDER_VERBATIM(r, "<ul>\n"); break;
case MD_BLOCK_OL: render_open_ol_block(r, (const MD_BLOCK_OL_DETAIL*)detail); break;
case MD_BLOCK_LI: render_open_li_block(r, (const MD_BLOCK_LI_DETAIL*)detail); break;
case MD_BLOCK_HR: RENDER_VERBATIM(r, (r->flags & MD_HTML_FLAG_XHTML) ? "<hr />\n" : "<hr>\n"); break;
case MD_BLOCK_H: RENDER_VERBATIM(r, head[((MD_BLOCK_H_DETAIL*)detail)->level - 1]); break;
case MD_BLOCK_CODE: render_open_code_block(r, (const MD_BLOCK_CODE_DETAIL*) detail); break;
case MD_BLOCK_HTML: /* noop */ break;
case MD_BLOCK_P: RENDER_VERBATIM(r, "<p>"); break;
case MD_BLOCK_TABLE: RENDER_VERBATIM(r, "<table>\n"); break;
case MD_BLOCK_THEAD: RENDER_VERBATIM(r, "<thead>\n"); break;
case MD_BLOCK_TBODY: RENDER_VERBATIM(r, "<tbody>\n"); break;
case MD_BLOCK_TR: RENDER_VERBATIM(r, "<tr>\n"); break;
case MD_BLOCK_TH: render_open_td_block(r, "th", (MD_BLOCK_TD_DETAIL*)detail); break;
case MD_BLOCK_TD: render_open_td_block(r, "td", (MD_BLOCK_TD_DETAIL*)detail); break;
char buf[32];
switch (type)
{
case MD_BLOCK_DOC: /* noop */
break;
case MD_BLOCK_QUOTE:
RENDER_VERBATIM(r, "<blockquote>\n");
break;
case MD_BLOCK_UL:
RENDER_VERBATIM(r, "<ul>\n");
break;
case MD_BLOCK_OL:
render_open_ol_block(r, (const MD_BLOCK_OL_DETAIL *)detail);
break;
case MD_BLOCK_LI:
render_open_li_block(r, (const MD_BLOCK_LI_DETAIL *)detail);
break;
case MD_BLOCK_HR:
RENDER_VERBATIM(r, (r->flags & MD_HTML_FLAG_XHTML) ? "<hr />\n" : "<hr>\n");
break;
case MD_BLOCK_H:
hd_cnt[((MD_BLOCK_H_DETAIL *)detail)->level - 1]++;
snprintf(buf, 32, "<a id=\"h%d_%d\"></a>", ((MD_BLOCK_H_DETAIL *)detail)->level, hd_cnt[((MD_BLOCK_H_DETAIL *)detail)->level - 1]);
RENDER_VERBATIM(r, buf);
RENDER_VERBATIM(r, head[((MD_BLOCK_H_DETAIL *)detail)->level - 1]);
break;
case MD_BLOCK_CODE:
render_open_code_block(r, (const MD_BLOCK_CODE_DETAIL *)detail);
break;
case MD_BLOCK_HTML: /* noop */
break;
case MD_BLOCK_P:
RENDER_VERBATIM(r, "<p>");
break;
case MD_BLOCK_TABLE:
RENDER_VERBATIM(r, "<table>\n");
break;
case MD_BLOCK_THEAD:
RENDER_VERBATIM(r, "<thead>\n");
break;
case MD_BLOCK_TBODY:
RENDER_VERBATIM(r, "<tbody>\n");
break;
case MD_BLOCK_TR:
RENDER_VERBATIM(r, "<tr>\n");
break;
case MD_BLOCK_TH:
render_open_td_block(r, "th", (MD_BLOCK_TD_DETAIL *)detail);
break;
case MD_BLOCK_TD:
render_open_td_block(r, "td", (MD_BLOCK_TD_DETAIL *)detail);
break;
}
return 0;
@ -408,24 +495,53 @@ leave_block_callback(MD_BLOCKTYPE type, void* detail, void* userdata)
{
static const MD_CHAR *head[6] = {"</h1>\n", "</h2>\n", "</h3>\n", "</h4>\n", "</h5>\n", "</h6>\n"};
MD_HTML *r = (MD_HTML *)userdata;
switch(type) {
case MD_BLOCK_DOC: /*noop*/ break;
case MD_BLOCK_QUOTE: RENDER_VERBATIM(r, "</blockquote>\n"); break;
case MD_BLOCK_UL: RENDER_VERBATIM(r, "</ul>\n"); break;
case MD_BLOCK_OL: RENDER_VERBATIM(r, "</ol>\n"); break;
case MD_BLOCK_LI: RENDER_VERBATIM(r, "</li>\n"); break;
case MD_BLOCK_HR: /*noop*/ break;
case MD_BLOCK_H: RENDER_VERBATIM(r, head[((MD_BLOCK_H_DETAIL*)detail)->level - 1]); break;
case MD_BLOCK_CODE: RENDER_VERBATIM(r, "</code></pre>\n"); break;
case MD_BLOCK_HTML: /* noop */ break;
case MD_BLOCK_P: RENDER_VERBATIM(r, "</p>\n"); break;
case MD_BLOCK_TABLE: RENDER_VERBATIM(r, "</table>\n"); break;
case MD_BLOCK_THEAD: RENDER_VERBATIM(r, "</thead>\n"); break;
case MD_BLOCK_TBODY: RENDER_VERBATIM(r, "</tbody>\n"); break;
case MD_BLOCK_TR: RENDER_VERBATIM(r, "</tr>\n"); break;
case MD_BLOCK_TH: RENDER_VERBATIM(r, "</th>\n"); break;
case MD_BLOCK_TD: RENDER_VERBATIM(r, "</td>\n"); break;
switch (type)
{
case MD_BLOCK_DOC: /*noop*/
break;
case MD_BLOCK_QUOTE:
RENDER_VERBATIM(r, "</blockquote>\n");
break;
case MD_BLOCK_UL:
RENDER_VERBATIM(r, "</ul>\n");
break;
case MD_BLOCK_OL:
RENDER_VERBATIM(r, "</ol>\n");
break;
case MD_BLOCK_LI:
RENDER_VERBATIM(r, "</li>\n");
break;
case MD_BLOCK_HR: /*noop*/
break;
case MD_BLOCK_H:
RENDER_VERBATIM(r, head[((MD_BLOCK_H_DETAIL *)detail)->level - 1]);
break;
case MD_BLOCK_CODE:
RENDER_VERBATIM(r, "</code></pre>\n");
break;
case MD_BLOCK_HTML: /* noop */
break;
case MD_BLOCK_P:
RENDER_VERBATIM(r, "</p>\n");
break;
case MD_BLOCK_TABLE:
RENDER_VERBATIM(r, "</table>\n");
break;
case MD_BLOCK_THEAD:
RENDER_VERBATIM(r, "</thead>\n");
break;
case MD_BLOCK_TBODY:
RENDER_VERBATIM(r, "</tbody>\n");
break;
case MD_BLOCK_TR:
RENDER_VERBATIM(r, "</tr>\n");
break;
case MD_BLOCK_TH:
RENDER_VERBATIM(r, "</th>\n");
break;
case MD_BLOCK_TD:
RENDER_VERBATIM(r, "</td>\n");
break;
}
return 0;
@ -436,7 +552,8 @@ enter_span_callback(MD_SPANTYPE type, void* detail, void* userdata)
{
MD_HTML *r = (MD_HTML *)userdata;
if(r->image_nesting_level > 0) {
if (r->image_nesting_level > 0)
{
/* We are inside a Markdown image label. Markdown allows to use any
* emphasis and other rich contents in that context similarly as in
* any link label.
@ -455,17 +572,38 @@ enter_span_callback(MD_SPANTYPE type, void* detail, void* userdata)
return 0;
}
switch(type) {
case MD_SPAN_EM: RENDER_VERBATIM(r, "<em>"); break;
case MD_SPAN_STRONG: RENDER_VERBATIM(r, "<strong>"); break;
case MD_SPAN_U: RENDER_VERBATIM(r, "<u>"); break;
case MD_SPAN_A: render_open_a_span(r, (MD_SPAN_A_DETAIL*) detail); break;
case MD_SPAN_IMG: render_open_img_span(r, (MD_SPAN_IMG_DETAIL*) detail); break;
case MD_SPAN_CODE: RENDER_VERBATIM(r, "<code>"); break;
case MD_SPAN_DEL: RENDER_VERBATIM(r, "<del>"); break;
case MD_SPAN_LATEXMATH: RENDER_VERBATIM(r, "<x-equation>"); break;
case MD_SPAN_LATEXMATH_DISPLAY: RENDER_VERBATIM(r, "<x-equation type=\"display\">"); break;
case MD_SPAN_WIKILINK: render_open_wikilink_span(r, (MD_SPAN_WIKILINK_DETAIL*) detail); break;
switch (type)
{
case MD_SPAN_EM:
RENDER_VERBATIM(r, "<em>");
break;
case MD_SPAN_STRONG:
RENDER_VERBATIM(r, "<strong>");
break;
case MD_SPAN_U:
RENDER_VERBATIM(r, "<u>");
break;
case MD_SPAN_A:
render_open_a_span(r, (MD_SPAN_A_DETAIL *)detail);
break;
case MD_SPAN_IMG:
render_open_img_span(r, (MD_SPAN_IMG_DETAIL *)detail);
break;
case MD_SPAN_CODE:
RENDER_VERBATIM(r, "<code>");
break;
case MD_SPAN_DEL:
RENDER_VERBATIM(r, "<del>");
break;
case MD_SPAN_LATEXMATH:
RENDER_VERBATIM(r, "<x-equation>");
break;
case MD_SPAN_LATEXMATH_DISPLAY:
RENDER_VERBATIM(r, "<x-equation type=\"display\">");
break;
case MD_SPAN_WIKILINK:
render_open_wikilink_span(r, (MD_SPAN_WIKILINK_DETAIL *)detail);
break;
}
return 0;
@ -476,7 +614,8 @@ leave_span_callback(MD_SPANTYPE type, void* detail, void* userdata)
{
MD_HTML *r = (MD_HTML *)userdata;
if(r->image_nesting_level > 0) {
if (r->image_nesting_level > 0)
{
/* Ditto as in enter_span_callback(), except we have to allow the
* end of the <img> tag. */
if (r->image_nesting_level == 1 && type == MD_SPAN_IMG)
@ -484,17 +623,35 @@ leave_span_callback(MD_SPANTYPE type, void* detail, void* userdata)
return 0;
}
switch(type) {
case MD_SPAN_EM: RENDER_VERBATIM(r, "</em>"); break;
case MD_SPAN_STRONG: RENDER_VERBATIM(r, "</strong>"); break;
case MD_SPAN_U: RENDER_VERBATIM(r, "</u>"); break;
case MD_SPAN_A: RENDER_VERBATIM(r, "</a>"); break;
case MD_SPAN_IMG: /*noop, handled above*/ break;
case MD_SPAN_CODE: RENDER_VERBATIM(r, "</code>"); break;
case MD_SPAN_DEL: RENDER_VERBATIM(r, "</del>"); break;
switch (type)
{
case MD_SPAN_EM:
RENDER_VERBATIM(r, "</em>");
break;
case MD_SPAN_STRONG:
RENDER_VERBATIM(r, "</strong>");
break;
case MD_SPAN_U:
RENDER_VERBATIM(r, "</u>");
break;
case MD_SPAN_A:
RENDER_VERBATIM(r, "</a>");
break;
case MD_SPAN_IMG: /*noop, handled above*/
break;
case MD_SPAN_CODE:
RENDER_VERBATIM(r, "</code>");
break;
case MD_SPAN_DEL:
RENDER_VERBATIM(r, "</del>");
break;
case MD_SPAN_LATEXMATH: /*fall through*/
case MD_SPAN_LATEXMATH_DISPLAY: RENDER_VERBATIM(r, "</x-equation>"); break;
case MD_SPAN_WIKILINK: RENDER_VERBATIM(r, "</x-wikilink>"); break;
case MD_SPAN_LATEXMATH_DISPLAY:
RENDER_VERBATIM(r, "</x-equation>");
break;
case MD_SPAN_WIKILINK:
RENDER_VERBATIM(r, "</x-wikilink>");
break;
}
return 0;
@ -505,16 +662,28 @@ text_callback(MD_TEXTTYPE type, const MD_CHAR* text, MD_SIZE size, void* userdat
{
MD_HTML *r = (MD_HTML *)userdata;
switch(type) {
case MD_TEXT_NULLCHAR: render_utf8_codepoint(r, 0x0000, render_verbatim); break;
case MD_TEXT_BR: RENDER_VERBATIM(r, (r->image_nesting_level == 0
switch (type)
{
case MD_TEXT_NULLCHAR:
render_utf8_codepoint(r, 0x0000, render_verbatim);
break;
case MD_TEXT_BR:
RENDER_VERBATIM(r, (r->image_nesting_level == 0
? ((r->flags & MD_HTML_FLAG_XHTML) ? "<br />\n" : "<br>\n")
: " "));
break;
case MD_TEXT_SOFTBR: RENDER_VERBATIM(r, (r->image_nesting_level == 0 ? "\n" : " ")); break;
case MD_TEXT_HTML: render_verbatim(r, text, size); break;
case MD_TEXT_ENTITY: render_entity(r, text, size, render_html_escaped); break;
default: render_html_escaped(r, text, size); break;
case MD_TEXT_SOFTBR:
RENDER_VERBATIM(r, (r->image_nesting_level == 0 ? "\n" : " "));
break;
case MD_TEXT_HTML:
render_verbatim(r, text, size);
break;
case MD_TEXT_ENTITY:
render_entity(r, text, size, render_html_escaped);
break;
default:
render_html_escaped(r, text, size);
break;
}
return 0;
@ -528,8 +697,7 @@ debug_log_callback(const char* msg, void* userdata)
fprintf(stderr, "MD4C: %s\n", msg);
}
int
md_html(const MD_CHAR* input, MD_SIZE input_size,
int md_html(const MD_CHAR *input, MD_SIZE input_size,
void (*process_output)(const MD_CHAR *, MD_SIZE, void *),
void *userdata, unsigned parser_flags, unsigned renderer_flags)
{
@ -545,11 +713,11 @@ md_html(const MD_CHAR* input, MD_SIZE input_size,
leave_span_callback,
text_callback,
debug_log_callback,
NULL
};
NULL};
/* Build map of characters which need escaping. */
for(i = 0; i < 256; i++) {
for (i = 0; i < 256; i++)
{
unsigned char ch = (unsigned char)i;
if (strchr("\"&<>", ch) != NULL)
@ -560,9 +728,11 @@ md_html(const MD_CHAR* input, MD_SIZE input_size,
}
/* Consider skipping UTF-8 byte order mark (BOM). */
if(renderer_flags & MD_HTML_FLAG_SKIP_UTF8_BOM && sizeof(MD_CHAR) == 1) {
if (renderer_flags & MD_HTML_FLAG_SKIP_UTF8_BOM && sizeof(MD_CHAR) == 1)
{
static const MD_CHAR bom[3] = {0xef, 0xbb, 0xbf};
if(input_size >= sizeof(bom) && memcmp(input, bom, sizeof(bom)) == 0) {
if (input_size >= sizeof(bom) && memcmp(input, bom, sizeof(bom)) == 0)
{
input += sizeof(bom);
input_size -= sizeof(bom);
}
@ -571,3 +741,10 @@ md_html(const MD_CHAR* input, MD_SIZE input_size,
return md_parse(input, input_size, &parser, (void *)&render);
}
void reset_hd_cnt()
{
for (size_t i = 0; i < 6; i++)
{
hd_cnt[i] = 0;
}
}

2
lib/md/md4c/md4c-html.h
View File

@ -61,6 +61,8 @@ int md_html(const MD_CHAR* input, MD_SIZE input_size,
void* userdata, unsigned parser_flags, unsigned renderer_flags);
void reset_hd_cnt();
#ifdef __cplusplus
} /* extern "C" { */
#endif