// Parse backslash-escape or just a backslash, returning an inline.
static cmark_node *handle_backslash(subject *subj) {
advance(subj);
unsigned char nextchar = peek_char(subj);
if (cmark_ispunct(
nextchar)) { // only ascii symbols and newline can be escaped
advance(subj);
return make_str(subj->mem, cmark_chunk_dup(&subj->input, subj->pos - 1, 1));
} else if (!is_eof(subj) && skip_line_end(subj)) {
return make_linebreak(subj->mem);
} else {
return make_str(subj->mem, cmark_chunk_literal("\\"));
}
}
// Parse a hard or soft linebreak, returning an inline.
// Assumes the subject has a newline at the current position.
static cmark_node* handle_newline(subject *subj)
{
bufsize_t nlpos = subj->pos;
// skip over newline
advance(subj);
// skip spaces at beginning of line
skip_spaces(subj);
if (nlpos > 1 &&
peek_at(subj, nlpos - 1) == ' ' &&
peek_at(subj, nlpos - 2) == ' ') {
return make_linebreak();
} else {
return make_softbreak();
}
}
// Parse a hard or soft linebreak, returning an inline.
// Assumes the subject has a cr or newline at the current position.
static cmark_node *handle_newline(subject *subj) {
bufsize_t nlpos = subj->pos;
// skip over cr, crlf, or lf:
if (peek_at(subj, subj->pos) == '\r') {
advance(subj);
}
if (peek_at(subj, subj->pos) == '\n') {
advance(subj);
}
// skip spaces at beginning of line
skip_spaces(subj);
if (nlpos > 1 && peek_at(subj, nlpos - 1) == ' ' &&
peek_at(subj, nlpos - 2) == ' ') {
return make_linebreak(subj->mem);
} else {
return make_softbreak(subj->mem);
}
}
