static inline int
end_of_block(Line *t, DWORD flags)
{
int dummy;
if ( !t )
return 0;
return ( (S(t->text) <= t->dle) || ishr(t, flags) || ishdr(t, &dummy, flags) );
}
static inline int
end_of_block(Line *t)
{
int dummy;
if ( !t )
return 0;
return ( (S(t->text) <= t->dle) || ishr(t) || ishdr(t, &dummy) );
}
/*
* pull in a list block. A list block starts with a list marker and
* runs until the next list marker, the next non-indented paragraph,
* or EOF. You do not have to indent nonblank lines after the list
* marker, but multiple paragraphs need to start with a 4-space indent.
*/
static Line *
listitem(Paragraph *p, int indent, DWORD flags, linefn check)
{
Line *t, *q;
int clip = indent;
int z;
for ( t = p->text; t ; t = q) {
CLIP(t->text, 0, clip);
UNCHECK(t);
t->dle = mkd_firstnonblank(t);
/* even though we had to trim a long leader off this item,
* the indent for trailing paragraphs is still 4...
*/
if (indent > 4) {
indent = 4;
}
if ( (q = skipempty(t->next)) == 0 ) {
___mkd_freeLineRange(t,q);
return 0;
}
/* after a blank line, the next block needs to start with a line
* that's indented 4(? -- reference implementation allows a 1
* character indent, but that has unfortunate side effects here)
* spaces, but after that the line doesn't need any indentation
*/
if ( q != t->next ) {
if (q->dle < indent) {
q = t->next;
t->next = 0;
return q;
}
/* indent at least 2, and at most as
* as far as the initial line was indented. */
indent = clip ? clip : 2;
}
if ( (q->dle < indent) && (ishr(q) || islist(q,&z,flags,&z)
|| (check && (*check)(q)))
&& !issetext(q,&z) ) {
q = t->next;
t->next = 0;
return q;
}
clip = (q->dle > indent) ? indent : q->dle;
}
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
islist(Line *t, int *clip, DWORD flags, int *list_type)
{
int i, j;
char *q;
if ( /*iscode(t) ||*/ blankline(t) || ishdr(t,&i) || ishr(t) )
return 0;
if ( !(flags & (MKD_NODLIST|MKD_STRICT)) && isdefinition(t,clip,list_type) )
return DL;
if ( strchr("*-+", T(t->text)[t->dle]) && isspace(T(t->text)[t->dle+1]) ) {
i = nextnonblank(t, t->dle+1);
*clip = (i > 4) ? 4 : i;
*list_type = UL;
return AL;
}
if ( (j = nextblank(t,t->dle)) > t->dle ) {
if ( T(t->text)[j-1] == '.' ) {
if ( !(flags & (MKD_NOALPHALIST|MKD_STRICT))
&& (j == t->dle + 2)
&& isalpha(T(t->text)[t->dle]) ) {
j = nextnonblank(t,j);
*clip = (j > 4) ? 4 : j;
*list_type = AL;
return AL;
}
strtoul(T(t->text)+t->dle, &q, 10);
if ( (q > T(t->text)+t->dle) && (q == T(t->text) + (j-1)) ) {
j = nextnonblank(t,j);
*clip = (j > 4) ? 4 : j;
*list_type = OL;
return AL;
}
}
}
return 0;
}
static Line*
is_extra_dt(Line *t, int *clip)
{
#if USE_EXTRA_DL
int i;
if ( t && t->next && T(t->text)[0] != '='
&& T(t->text)[S(t->text)-1] != '=') {
Line *x;
if ( iscode(t) || blankline(t) || ishdr(t,&i) || ishr(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);
}