/*!re2c
re2c:case-insensitive = 1;
re2c:encoding:utf8 = 1;
re2c:encoding-policy = substitute;
re2c:define:YYCTYPE = u8;
re2c:define:YYPEEK = "if cursor < len { *s.get_unchecked(cursor) } else { 0 }";
re2c:define:YYSKIP = "cursor += 1;";
re2c:define:YYBACKUP = "marker = cursor;";
re2c:define:YYRESTORE = "cursor = marker;";
re2c:define:YYBACKUPCTX = "ctxmarker = cursor;";
re2c:define:YYRESTORECTX = "cursor = ctxmarker;";
re2c:yyfill:enable = 0;
re2c:indent:string = ' ';
re2c:indent:top = 1;
wordchar = [^\x00-\x20];
spacechar = [ \t\v\f\r\n];
reg_char = [^\\()\x00-\x20];
escaped_char = [\\][!"#$%&'()*+,./:;<=>?@[\\\]^_`{|}~-];
tagname = [A-Za-z][A-Za-z0-9-]*;
blocktagname = 'address'|'article'|'aside'|'base'|'basefont'|'blockquote'|'body'|'caption'|'center'|'col'|'colgroup'|'dd'|'details'|'dialog'|'dir'|'div'|'dl'|'dt'|'fieldset'|'figcaption'|'figure'|'footer'|'form'|'frame'|'frameset'|'h1'|'h2'|'h3'|'h4'|'h5'|'h6'|'head'|'header'|'hr'|'html'|'iframe'|'legend'|'li'|'link'|'main'|'menu'|'menuitem'|'nav'|'noframes'|'ol'|'optgroup'|'option'|'p'|'param'|'section'|'source'|'title'|'summary'|'table'|'tbody'|'td'|'tfoot'|'th'|'thead'|'title'|'tr'|'track'|'ul';
attributename = [a-zA-Z_:][a-zA-Z0-9:._-]*;
unquotedvalue = [^ \t\r\n\v\f"'=<>`\x00]+;
singlequotedvalue = ['][^'\x00]*['];
doublequotedvalue = ["][^"\x00]*["];
attributevalue = unquotedvalue | singlequotedvalue | doublequotedvalue;
attributevaluespec = spacechar* [=] spacechar* attributevalue;
attribute = spacechar+ attributename attributevaluespec?;
opentag = tagname attribute* spacechar* [/]? [>];
closetag = [/] tagname spacechar* [>];
htmlcomment = "--" ([^\x00-]+ | "-" [^\x00-] | "--" [^\x00>])* "-->";
processinginstruction = ([^?>\x00]+ | [?][^>\x00] | [>])+;
declaration = [A-Z]+ spacechar+ [^>\x00]*;
cdata = "CDATA[" ([^\]\x00]+ | "]" [^\]\x00] | "]]" [^>\x00])*;
htmltag = opentag | closetag;
in_parens_nosp = [(] (reg_char|escaped_char|[\\])* [)];
in_double_quotes = ["] (escaped_char|[^"\x00])* ["];
in_single_quotes = ['] (escaped_char|[^'\x00])* ['];
in_parens = [(] (escaped_char|[^)\x00])* [)];
scheme = [A-Za-z][A-Za-z0-9.+-]{1,31};
*/
pub fn atx_heading_start(s: &[u8]) -> Option<usize> {
let mut cursor = 0;
let mut marker = 0;
let len = s.len();
/*!re2c
[#]{1,6} ([ \t]+|[\r\n]) { return Some(cursor); }
* { return None; }
*/
}
pub fn html_block_end_1(s: &[u8]) -> bool {
let mut cursor = 0;
let mut marker = 0;
let len = s.len();
/*!re2c
[^\n\x00]* [<] [/] ('script'|'pre'|'textarea'|'style') [>] { return true; }
* { return false; }
*/
}
pub fn html_block_end_2(s: &[u8]) -> bool {
let mut cursor = 0;
let mut marker = 0;
let len = s.len();
/*!re2c
[^\n\x00]* '-->' { return true; }
* { return false; }
*/
}
pub fn html_block_end_3(s: &[u8]) -> bool {
let mut cursor = 0;
let mut marker = 0;
let len = s.len();
/*!re2c
[^\n\x00]* '?>' { return true; }
* { return false; }
*/
}
pub fn html_block_end_4(s: &[u8]) -> bool {
let mut cursor = 0;
let mut marker = 0;
let len = s.len();
/*!re2c
[^\n\x00]* '>' { return true; }
* { return false; }
*/
}
pub fn html_block_end_5(s: &[u8]) -> bool {
let mut cursor = 0;
let mut marker = 0;
let len = s.len();
/*!re2c
[^\n\x00]* ']]>' { return true; }
* { return false; }
*/
}
pub fn open_code_fence(s: &[u8]) -> Option<usize> {
let mut cursor = 0;
let mut marker = 0;
let mut ctxmarker = 0;
let len = s.len();
/*!re2c
[`]{3,} / [^`\r\n\x00]*[\r\n] { return Some(cursor); }
[~]{3,} / [^\r\n\x00]*[\r\n] { return Some(cursor); }
* { return None; }
*/
}
pub fn close_code_fence(s: &[u8]) -> Option<usize> {
let mut cursor = 0;
let mut marker = 0;
let mut ctxmarker = 0;
let len = s.len();
/*!re2c
[`]{3,} / [ \t]*[\r\n] { return Some(cursor); }
[~]{3,} / [ \t]*[\r\n] { return Some(cursor); }
* { return None; }
*/
}
pub fn html_block_start(s: &[u8]) -> Option<usize> {
let mut cursor = 0;
let mut marker = 0;
let len = s.len();
/*!re2c
[<] ('script'|'pre'|'textarea'|'style') (spacechar | [>]) { return Some(1); }
'<!--' { return Some(2); }
'<?' { return Some(3); }
'<!' [A-Z] { return Some(4); }
'<![CDATA[' { return Some(5); }
[<] [/]? blocktagname (spacechar | [/]? [>]) { return Some(6); }
* { return None; }
*/
}
pub fn html_block_start_7(s: &[u8]) -> Option<usize> {
let mut cursor = 0;
let mut marker = 0;
let len = s.len();
/*!re2c
[<] (opentag | closetag) [\t\n\f ]* [\r\n] { return Some(7); }
* { return None; }
*/
}
pub enum SetextChar {
Equals,
Hyphen,
}
pub fn setext_heading_line(s: &[u8]) -> Option<SetextChar> {
let mut cursor = 0;
let mut marker = 0;
let len = s.len();
/*!re2c
[=]+ [ \t]* [\r\n] { return Some(SetextChar::Equals); }
[-]+ [ \t]* [\r\n] { return Some(SetextChar::Hyphen); }
* { return None; }
*/
}
pub fn footnote_definition(s: &[u8]) -> Option<usize> {
let mut cursor = 0;
let mut marker = 0;
let len = s.len();
/*!re2c
'[^' ([^\] \r\n\x00\t]+) ']:' [ \t]* { return Some(cursor); }
* { return None; }
*/
}
pub fn scheme(s: &[u8]) -> Option<usize> {
let mut cursor = 0;
let mut marker = 0;
let len = s.len();
/*!re2c
scheme [:] { return Some(cursor); }
* { return None; }
*/
}
pub fn autolink_uri(s: &[u8]) -> Option<usize> {
let mut cursor = 0;
let mut marker = 0;
let len = s.len();
/*!re2c
scheme [:][^\x00-\x20<>]*[>] { return Some(cursor); }
* { return None; }
*/
}
pub fn autolink_email(s: &[u8]) -> Option<usize> {
let mut cursor = 0;
let mut marker = 0;
let len = s.len();
/*!re2c
[a-zA-Z0-9.!#$%&'*+/=?^_`{|}~-]+
[@]
[a-zA-Z0-9]([a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?
([.][a-zA-Z0-9]([a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*
[>] { return Some(cursor); }
* { return None; }
*/
}
pub fn html_tag(s: &[u8]) -> Option<usize> {
let mut cursor = 0;
let mut marker = 0;
let len = s.len();
/*!re2c
htmltag { return Some(cursor); }
* { return None; }
*/
}
pub fn html_comment(s: &[u8]) -> Option<usize> {
let mut cursor = 0;
let mut marker = 0;
let len = s.len();
/*!re2c
htmlcomment { return Some(cursor); }
* { return None; }
*/
}
pub fn html_processing_instruction(s: &[u8]) -> Option<usize> {
let mut cursor = 0;
let mut marker = 0;
let len = s.len();
/*!re2c
processinginstruction { return Some(cursor); }
* { return None; }
*/
}
pub fn html_declaration(s: &[u8]) -> Option<usize> {
let mut cursor = 0;
let mut marker = 0;
let len = s.len();
/*!re2c
declaration { return Some(cursor); }
* { return None; }
*/
}
pub fn html_cdata(s: &[u8]) -> Option<usize> {
let mut cursor = 0;
let mut marker = 0;
let len = s.len();
/*!re2c
cdata { return Some(cursor); }
* { return None; }
*/
}
pub fn spacechars(s: &[u8]) -> Option<usize> {
let mut cursor = 0;
let len = s.len();
/*!re2c
[ \t\v\f\r\n]+ { return Some(cursor); }
* { return None; }
*/
}
pub fn link_title(s: &[u8]) -> Option<usize> {
let mut cursor = 0;
let mut marker = 0;
let len = s.len();
/*!re2c
["] (escaped_char|[^"\x00])* ["] { return Some(cursor); }
['] (escaped_char|[^'\x00])* ['] { return Some(cursor); }
[(] (escaped_char|[^()\x00])* [)] { return Some(cursor); }
* { return None; }
*/
}
pub fn dangerous_url(s: &[u8]) -> Option<usize> {
let mut cursor = 0;
let mut marker = 0;
let len = s.len();
/*!re2c
'data:image/' ('png'|'gif'|'jpeg'|'webp') { return None; }
'javascript:' | 'vbscript:' | 'file:' | 'data:' { return Some(cursor); }
* { return None; }
*/
}
/*!re2c
table_spacechar = [ \t\v\f];
table_newline = [\r]?[\n];
table_delimiter = (table_spacechar*[:]?[-]+[:]?table_spacechar*);
table_cell = (escaped_char|[^\x00|\r\n])+;
*/
pub fn table_start(s: &[u8]) -> Option<usize> {
let mut cursor = 0;
let mut marker = 0;
let len = s.len();
/*!re2c
[|]? table_delimiter ([|] table_delimiter)* [|]? table_spacechar* table_newline {
return Some(cursor);
}
* { return None; }
*/
}
pub fn table_cell(s: &[u8]) -> Option<usize> {
let mut cursor = 0;
let mut marker = 0;
let len = s.len();
/*!re2c
// In fact, `table_cell` matches non-empty table cells only. The empty
// string is also a valid table cell, but is handled by the default rule.
// This approach prevents re2c's match-empty-string warning.
table_cell { return Some(cursor); }
* { return None; }
*/
}
pub fn table_cell_end(s: &[u8]) -> Option<usize> {
let mut cursor = 0;
let len = s.len();
/*!re2c
[|] table_spacechar* { return Some(cursor); }
* { return None; }
*/
}
pub fn table_row_end(s: &[u8]) -> Option<usize> {
let mut cursor = 0;
let mut marker = 0;
let len = s.len();
/*!re2c
table_spacechar* table_newline { return Some(cursor); }
* { return None; }
*/
}
#[cfg(feature = "shortcodes")]
pub fn shortcode(s: &[u8]) -> Option<usize> {
let mut cursor = 0;
let mut marker = 0;
let len = s.len();
/*!re2c
[A-Za-z_-]+ [:] { return Some(cursor); }
* { return None; }
*/
}
// Returns both the length of the match, and the tasklist character.
pub fn tasklist(s: &[u8]) -> Option<(usize, u8)> {
let mut cursor = 0;
let mut marker = 0;
let len = s.len();
let t1;
/*!stags:re2c format = 'let mut @@{tag} = 0;'; */
/*!local:re2c
re2c:define:YYSTAGP = "@@{tag} = cursor;";
re2c:tags = 1;
spacechar* [[] @t1 [^\x00\r\n] [\]] (spacechar | [\x00]) {
if cursor == len + 1 {
cursor -= 1;
}
return Some((cursor, s[t1]));
}
* { return None; }
*/
}
// vim: set ft=rust: