static Line *
codeblock(Paragraph *p)
{
Line *t = p->text, *r;
for ( ; t; t = r ) {
CLIP(t->text,0,4);
t->dle = mkd_firstnonblank(t);
if ( !( (r = skipempty(t->next)) && iscode(r)) ) {
___mkd_freeLineRange(t,r);
t->next = 0;
return r;
}
}
return t;
}
static int
endoftextblock(Line *t, int toplevelblock, DWORD flags)
{
int z;
if ( blankline(t)||isquote(t)||ishdr(t,&z)||ishr(t) )
return 1;
/* HORRIBLE STANDARDS KLUDGE: non-toplevel paragraphs absorb adjacent
* code blocks
*/
if ( toplevelblock && iscode(t) )
return 1;
/* HORRIBLE STANDARDS KLUDGE: Toplevel paragraphs eat absorb adjacent
* list items, but sublevel blocks behave properly.
*/
return toplevelblock ? 0 : islist(t,&z,flags, &z);
}
static int
ishr(Line *t)
{
int i, count=0;
char dash = 0;
char c;
if ( iscode(t) ) return 0;
for ( i = 0; i < S(t->text); i++) {
c = T(t->text)[i];
if ( (dash == 0) && dashchar(c) )
dash = c;
if ( c == dash ) ++count;
else if ( !isspace(c) )
return 0;
}
return (count >= 3);
}
static Line*
is_extra_dt(Line *t, int *clip, DWORD flags)
{
if ( flags & MKD_DLEXTRA
&& t
&& t->next && S(t->text) && T(t->text)[0] != '='
&& T(t->text)[S(t->text)-1] != '=') {
Line *x;
if ( iscode(t) || end_of_block(t, flags) )
return 0;
if ( (x = skipempty(t->next)) && is_extra_dd(x) ) {
*clip = x->dle+2;
return t;
}
if ( x=is_extra_dt(t->next, clip, flags) )
return x;
}
return 0;
}
static Line*
is_extra_dt(Line *t, int *clip)
{
#if USE_EXTRA_DL
if ( t && t->next && S(t->text) && T(t->text)[0] != '='
&& T(t->text)[S(t->text)-1] != '=') {
Line *x;
if ( iscode(t) || end_of_block(t) )
return 0;
if ( (x = skipempty(t->next)) && is_extra_dd(x) ) {
*clip = x->dle+2;
return t;
}
if ( x=is_extra_dt(t->next, clip) )
return x;
}
#endif
return 0;
}
/*
* break a collection of markdown input into
* blocks of lists, code, html, and text to
* be marked up.
*/
static Paragraph *
compile(Line *ptr, int toplevel, MMIOT *f)
{
ParagraphRoot d = { 0, 0 };
Paragraph *p = 0;
Line *r;
int para = toplevel;
int blocks = 0;
int hdr_type, list_type, list_class, indent;
ptr = consume(ptr, ¶);
while ( ptr ) {
if ( iscode(ptr) ) {
p = Pp(&d, ptr, CODE);
if ( f->flags & MKD_1_COMPAT) {
/* HORRIBLE STANDARDS KLUDGE: the first line of every block
* has trailing whitespace trimmed off.
*/
___mkd_tidy(&p->text->text);
}
ptr = codeblock(p);
}
#if WITH_FENCED_CODE
else if ( iscodefence(ptr,3,0) && (p=fencedcodeblock(&d, &ptr)) )
/* yay, it's already done */ ;
#endif
else if ( ishr(ptr) ) {
p = Pp(&d, 0, HR);
r = ptr;
ptr = ptr->next;
___mkd_freeLine(r);
}
else if ( list_class = islist(ptr, &indent, f->flags, &list_type) ) {
if ( list_class == DL ) {
p = Pp(&d, ptr, DL);
ptr = definition_block(p, indent, f, list_type);
}
else {
p = Pp(&d, ptr, list_type);
ptr = enumerated_block(p, indent, f, list_class);
}
}
else if ( isquote(ptr) ) {
p = Pp(&d, ptr, QUOTE);
ptr = quoteblock(p, f->flags);
p->down = compile(p->text, 1, f);
p->text = 0;
}
else if ( ishdr(ptr, &hdr_type) ) {
p = Pp(&d, ptr, HDR);
ptr = headerblock(p, hdr_type);
}
else {
p = Pp(&d, ptr, MARKUP);
ptr = textblock(p, toplevel, f->flags);
/* tables are a special kind of paragraph */
if ( actually_a_table(f, p->text) )
p->typ = TABLE;
}
if ( (para||toplevel) && !p->align )
p->align = PARA;
blocks++;
para = toplevel || (blocks > 1);
ptr = consume(ptr, ¶);
if ( para && !p->align )
p->align = PARA;
}
return T(d);
}
/*
* break a collection of markdown input into
* blocks of lists, code, html, and text to
* be marked up.
*/
static Paragraph *
compile(Line *ptr, int toplevel, MMIOT *f)
{
ParagraphRoot d = { 0, 0 };
Paragraph *p = 0;
Line *r;
int para = toplevel;
int blocks = 0;
int hdr_type, list_type, list_class, indent;
ptr = consume(ptr, ¶);
while ( ptr ) {
if ( iscode(ptr) ) {
p = Pp(&d, ptr, CODE);
if ( f->flags & MKD_1_COMPAT) {
/* HORRIBLE STANDARDS KLUDGE: the first line of every block
* has trailing whitespace trimmed off.
*/
___mkd_tidy(&p->text->text);
}
ptr = codeblock(p);
}
else if ( ishr(ptr) ) {
p = Pp(&d, 0, HR);
r = ptr;
ptr = ptr->next;
___mkd_freeLine(r);
}
else if (( list_class = islist(ptr, &indent, f->flags, &list_type) )) {
if ( list_class == DL ) {
p = Pp(&d, ptr, DL);
ptr = definition_block(p, indent, f, list_type);
}
else {
p = Pp(&d, ptr, list_type);
ptr = enumerated_block(p, indent, f, list_class);
}
}
else if ( isquote(ptr) ) {
p = Pp(&d, ptr, QUOTE);
ptr = quoteblock(p, f->flags);
p->down = compile(p->text, 1, f);
p->text = 0;
}
else if ( ishdr(ptr, &hdr_type) ) {
p = Pp(&d, ptr, HDR);
ptr = headerblock(p, hdr_type);
}
else if ( istable(ptr) && !(f->flags & (MKD_STRICT|MKD_NOTABLES)) ) {
p = Pp(&d, ptr, TABLE);
ptr = tableblock(p);
}
else {
p = Pp(&d, ptr, MARKUP);
ptr = textblock(p, toplevel, f->flags);
}
if ( (para||toplevel) && !p->align )
p->align = PARA;
blocks++;
para = toplevel || (blocks > 1);
ptr = consume(ptr, ¶);
if ( para && !p->align )
p->align = PARA;
}
return T(d);
}
