// Entry point: the document. // This grammar is aligned to the doctree names when possible. // It will however contain blocks, as we can’t parse sections: // Section headers define the hierarchy by their delimiters, // and pest only has one stack that we need for indentation. document = _{ SOI ~ blocks ~ EOI } blocks = _{ block ~ (blank_line* ~ block)* } block = _{ PEEK[..] ~ hanging_block } // This is the list of all block-level elements // They’re defined hanging, i.e. without the first PEEK[..] // This is d hanging_block = _{ admonition | admonition_gen | target | title | bullet_list | paragraph // TODO: implement all those things: // | block_quote // | verbatim // | image // | code_block // | doctest_block // | admonition // | target // | horizontal_rule // | title // | table // | ordered_list // | bullet_list // | html_block // | style_block // | paragraph // | plain } // Admonition. A block type. The generic one has a title admonition = { ".." ~ PUSH(" "+) ~ "admonition::" ~ !blank_line ~ line ~ blank_line* ~ admonition_body? ~ DROP } admonition_gen = { ".." ~ PUSH(" "+) ~ admonition_type ~ "::" ~ (blank_line | line) ~ blank_line* ~ admonition_body? ~ DROP } admonition_type = { "attention" | "caution" | "danger" | "error" | "hint" | "important" | "note" | "tip" | "warning" } admonition_body = _{ PEEK[..-1] ~ PUSH(" " ~ POP) ~ hanging_block ~ block* } //TODO: merge with other directives? // Target. A block type target = { target_qu | target_uq } target_uq = _{ ".. _" ~ target_name_uq ~ ":" ~ (" " ~ link_target)? ~ " "* ~ NEWLINE } target_qu = _{ ".. _`" ~ !"``" ~ target_name_qu ~ !"``:" ~ "`:" ~ (" " ~ link_target)? ~ " "* ~ NEWLINE } target_name_uq = { ( !("_"|":"|"`") ~ !NEWLINE ~ ANY )* } target_name_qu = { ( !( ":"|"`") ~ !NEWLINE ~ ANY )* } link_target = { nonspacechar+ } // Title. A block type // TODO: a bug prevents them from being merged to a single “title” rule title = { PUSH(adornments) ~ NEWLINE ~ PEEK[..-1] ~ " "* ~ line ~ PEEK[..-1] ~ POP | line ~ PEEK[..] ~ adornments ~ NEWLINE } // Bullet list. A block type. bullet_list = { bullet_item ~ (PEEK[..] ~ bullet_item)* } bullet_item = { bullet_marker ~ PUSH(" "+) ~ line ~ blank_line* ~ blist_body? ~ DROP } blist_body = _{ PEEK[..-1] ~ PUSH(" " ~ POP) ~ hanging_block ~ block* } // paragraph. A block type. paragraph = { line ~ (PEEK[..] ~ line)* } // TODO: use inlines here line = { !marker ~ (!NEWLINE ~ ANY)+ ~ NEWLINE } blank_line = _{ !marker ~ " "* ~ NEWLINE } // character classes bullet_marker = _{ "+" | "*" | "-" } adornments = { // recommended "="+ | "-"+ | "`"+ | ":"+ | "."+ | "'"+ | "\""+ | "~"+ | "^"+ | "_"+ | "*"+ | "+"+ | "#"+ | // parentheses "("+ | ")"+ | "["+ | "]"+ | "{"+ | "}"+ | // punctuation ","+ | ";"+ | "!"+ | "?"+ | // operators "&"+ | "|"+ | "/"+ | "%"+ | "<"+ | ">"+ | // misc "$"+ | "@"+ | "\\"+ } nonspacechar = _{ !(" " | NEWLINE) ~ ANY } // lookaheads. do not use in another position marker = _{ (bullet_marker | "..") ~ " " } // image = { // ".. image:: " ~ source ~ blank_line ~ // ( // (sp ~ ":alt:" ~ sp ~ target_name_uq ~ blank_line) | // (sp ~ ":target:" ~ sp ~ source ~ blank_line) | // (sp ~ ":align:" ~ sp ~ source ~ blank_line) // )* // } // code_block = { // ".. code" ~ "-block"? ~ ":: " ~ source ~ blank_line ~ // NEWLINE ~ verbatim_chunk+ // } // doctest_block = { (doctest_line+ ~ (!(">" | blank_line) ~ line)*)+ } // block_quote_raw = { ":" ~ blank_line ~ NEWLINE ~ nonblank_indented_line+ } // block_quote_chunk = { // !"::" ~ ":" ~ blank_line ~ // NEWLINE ~ // blank_line* ~ // nonblank_indented_line+ // } // block_quote = { block_quote_chunk+ } // nonblank_indented_line = { !blank_line ~ indented_line } // verbatim_chunk = { blank_line* ~ nonblank_indented_line+ } // verbatim = { verbatim_chunk+ } // horizontal_rule = { // ( "=" ~ sp ~ "=" ~ sp ~ "=" ~ (sp ~ "=")* // | "-" ~ sp ~ "-" ~ sp ~ "-" ~ (sp ~ "-")* // | "*" ~ sp ~ "*" ~ sp ~ "*" ~ (sp ~ "*")* // | "^" ~ sp ~ "^" ~ sp ~ "^" ~ (sp ~ "^")* // | "~" ~ sp ~ "~" ~ sp ~ "~" ~ (sp ~ "~")* // | "_" ~ sp ~ "_" ~ sp ~ "_" ~ (sp ~ "_")* // ) ~ // sp ~ NEWLINE ~ blank_line+ // } // table = { grid_table | header_less_grid_table | simple_table } // simple_table = { "NotImplemented" ~ "simple_table" } // grid_table = { grid_table_header ~ grid_table_header_sep ~ grid_table_body+ } // header_less_grid_table = { grid_table_sep ~ grid_table_body+ } // grid_table_header = { sp ~ "+" ~ ( "-"+ ~ "+" )+ ~ blank_line ~ grid_table_row+ } // grid_table_body = { ( grid_table_row ~ grid_table_sep )+ } // grid_table_row = { sp ~ "|" ~ sp ~ ( table_cell ~ sp ~ "|" )+ ~ blank_line } // table_cell = { ( ":" | ">" | "<" | "/" | "-" | spacechar | escaped_char | alphanumeric )+ } // grid_table_header_sep = { sp ~ "+" ~ ( "="+ ~ "+" )+ ~ blank_line } // grid_table_sep = { sp ~ "+" ~ ( "-"+ ~ "+" )+ ~ blank_line } // bullet = { !horizontal_rule ~ ("+" | "*" | "-") ~ spacechar+ } // bullet_list = { &bullet ~ (list_tight | list_loose) } // list_tight = { list_item_tight+ ~ blank_line* ~ !(bullet | enumerator | def_marker) } // list_loose = { ( list_item ~ blank_line* )+ } // list_item = { (bullet | enumerator | def_marker) ~ list_block ~ list_continuation_block* } // list_item_tight = { // (bullet | enumerator | def_marker) ~ // list_block ~ // (!blank_line ~ list_continuation_block)* ~ // !list_continuation_block // } // list_block = { !blank_line ~ line ~ list_block_line* } // list_continuation_block = { blank_line* ~ ( indent ~ list_block )+ } // enumerator = { (ASCII_DIGIT+ | "#"+) ~ "." ~ spacechar+ } // ordered_list = { &enumerator ~ (list_tight | list_loose) } // list_block_line = { // !blank_line ~ // !( (indent? ~ (bullet | enumerator)) | def_marker ) ~ // !horizontal_rule ~ // optionally_indented_line // } // // Parsers for different kinds of block-level HTML content. // // This is repetitive due to constraints of PEG grammar. // html_block_open_address = { "<" ~ spnl ~ ("address" | "ADDRESS") ~ spnl ~ html_attribute* ~ ">" } // html_block_close_address = { "<" ~ spnl ~ "/" ~ ("address" | "ADDRESS") ~ spnl ~ ">" } // html_block_address = { html_block_open_address ~ (html_block_address | !html_block_close_address ~ ANY)* ~ html_block_close_address } // html_block_open_blockquote = { "<" ~ spnl ~ ("block_quote" | "block_quote") ~ spnl ~ html_attribute* ~ ">" } // html_block_close_blockquote = { "<" ~ spnl ~ "/" ~ ("block_quote" | "block_quote") ~ spnl ~ ">" } // html_block_blockquote = { html_block_open_blockquote ~ (html_block_blockquote | !html_block_close_blockquote ~ ANY)* ~ html_block_close_blockquote } // html_block_open_center = { "<" ~ spnl ~ ("center" | "CENTER") ~ spnl ~ html_attribute* ~ ">" } // html_block_close_center = { "<" ~ spnl ~ "/" ~ ("center" | "CENTER") ~ spnl ~ ">" } // html_block_center = { html_block_open_center ~ (html_block_center | !html_block_close_center ~ ANY)* ~ html_block_close_center } // html_block_open_dir = { "<" ~ spnl ~ ("dir" | "DIR") ~ spnl ~ html_attribute* ~ ">" } // html_block_close_dir = { "<" ~ spnl ~ "/" ~ ("dir" | "DIR") ~ spnl ~ ">" } // html_block_dir = { html_block_open_dir ~ (html_block_dir | !html_block_close_dir ~ ANY)* ~ html_block_close_dir } // html_block_open_div = { "<" ~ spnl ~ ("div" | "DIV") ~ spnl ~ html_attribute* ~ ">" } // html_block_close_div = { "<" ~ spnl ~ "/" ~ ("div" | "DIV") ~ spnl ~ ">" } // html_block_div = { html_block_open_div ~ (html_block_div | !html_block_close_div ~ ANY)* ~ html_block_close_div } // html_block_open_dl = { "<" ~ spnl ~ ("dl" | "DL") ~ spnl ~ html_attribute* ~ ">" } // html_block_close_dl = { "<" ~ spnl ~ "/" ~ ("dl" | "DL") ~ spnl ~ ">" } // html_block_dl = { html_block_open_dl ~ (html_block_dl | !html_block_close_dl ~ ANY)* ~ html_block_close_dl } // html_block_open_fieldset = { "<" ~ spnl ~ ("fieldset" | "FIELDSET") ~ spnl ~ html_attribute* ~ ">" } // html_block_close_fieldset = { "<" ~ spnl ~ "/" ~ ("fieldset" | "FIELDSET") ~ spnl ~ ">" } // html_block_fieldset = { html_block_open_fieldset ~ (html_block_fieldset | !html_block_close_fieldset ~ ANY)* ~ html_block_close_fieldset } // html_block_open_form = { "<" ~ spnl ~ ("form" | "FORM") ~ spnl ~ html_attribute* ~ ">" } // html_block_close_form = { "<" ~ spnl ~ "/" ~ ("form" | "FORM") ~ spnl ~ ">" } // html_block_form = { html_block_open_form ~ (html_block_form | !html_block_close_form ~ ANY)* ~ html_block_close_form } // html_block_open_h_1 = { "<" ~ spnl ~ ("h1" | "H1") ~ spnl ~ html_attribute* ~ ">" } // html_block_close_h_1 = { "<" ~ spnl ~ "/" ~ ("h1" | "H1") ~ spnl ~ ">" } // html_block_h_1 = { html_block_open_h_1 ~ (html_block_h_1 | !html_block_close_h_1 ~ ANY)* ~ html_block_close_h_1 } // html_block_open_h_2 = { "<" ~ spnl ~ ("h2" | "H2") ~ spnl ~ html_attribute* ~ ">" } // html_block_close_h_2 = { "<" ~ spnl ~ "/" ~ ("h2" | "H2") ~ spnl ~ ">" } // html_block_h_2 = { html_block_open_h_2 ~ (html_block_h_2 | !html_block_close_h_2 ~ ANY)* ~ html_block_close_h_2 } // html_block_open_h_3 = { "<" ~ spnl ~ ("h3" | "H3") ~ spnl ~ html_attribute* ~ ">" } // html_block_close_h_3 = { "<" ~ spnl ~ "/" ~ ("h3" | "H3") ~ spnl ~ ">" } // html_block_h_3 = { html_block_open_h_3 ~ (html_block_h_3 | !html_block_close_h_3 ~ ANY)* ~ html_block_close_h_3 } // html_block_open_h_4 = { "<" ~ spnl ~ ("h4" | "H4") ~ spnl ~ html_attribute* ~ ">" } // html_block_close_h_4 = { "<" ~ spnl ~ "/" ~ ("h4" | "H4") ~ spnl ~ ">" } // html_block_h_4 = { html_block_open_h_4 ~ (html_block_h_4 | !html_block_close_h_4 ~ ANY)* ~ html_block_close_h_4 } // html_block_open_h_5 = { "<" ~ spnl ~ ("h5" | "H5") ~ spnl ~ html_attribute* ~ ">" } // html_block_close_h_5 = { "<" ~ spnl ~ "/" ~ ("h5" | "H5") ~ spnl ~ ">" } // html_block_h_5 = { html_block_open_h_5 ~ (html_block_h_5 | !html_block_close_h_5 ~ ANY)* ~ html_block_close_h_5 } // html_block_open_h_6 = { "<" ~ spnl ~ ("h6" | "H6") ~ spnl ~ html_attribute* ~ ">" } // html_block_close_h_6 = { "<" ~ spnl ~ "/" ~ ("h6" | "H6") ~ spnl ~ ">" } // html_block_h_6 = { html_block_open_h_6 ~ (html_block_h_6 | !html_block_close_h_6 ~ ANY)* ~ html_block_close_h_6 } // html_block_open_menu = { "<" ~ spnl ~ ("menu" | "MENU") ~ spnl ~ html_attribute* ~ ">" } // html_block_close_menu = { "<" ~ spnl ~ "/" ~ ("menu" | "MENU") ~ spnl ~ ">" } // html_block_menu = { html_block_open_menu ~ (html_block_menu | !html_block_close_menu ~ ANY)* ~ html_block_close_menu } // html_block_open_noframes = { "<" ~ spnl ~ ("noframes" | "NOFRAMES") ~ spnl ~ html_attribute* ~ ">" } // html_block_close_noframes = { "<" ~ spnl ~ "/" ~ ("noframes" | "NOFRAMES") ~ spnl ~ ">" } // html_block_noframes = { html_block_open_noframes ~ (html_block_noframes | !html_block_close_noframes ~ ANY)* ~ html_block_close_noframes } // html_block_open_noscript = { "<" ~ spnl ~ ("noscript" | "NOSCRIPT") ~ spnl ~ html_attribute* ~ ">" } // html_block_close_noscript = { "<" ~ spnl ~ "/" ~ ("noscript" | "NOSCRIPT") ~ spnl ~ ">" } // html_block_noscript = { html_block_open_noscript ~ (html_block_noscript | !html_block_close_noscript ~ ANY)* ~ html_block_close_noscript } // html_block_open_ol = { "<" ~ spnl ~ ("ol" | "OL") ~ spnl ~ html_attribute* ~ ">" } // html_block_close_ol = { "<" ~ spnl ~ "/" ~ ("ol" | "OL") ~ spnl ~ ">" } // html_block_ol = { html_block_open_ol ~ (html_block_ol | !html_block_close_ol ~ ANY)* ~ html_block_close_ol } // html_block_open_p = { "<" ~ spnl ~ ("p" | "P") ~ spnl ~ html_attribute* ~ ">" } // html_block_close_p = { "<" ~ spnl ~ "/" ~ ("p" | "P") ~ spnl ~ ">" } // html_block_p = { html_block_open_p ~ (html_block_p | !html_block_close_p ~ ANY)* ~ html_block_close_p } // html_block_open_pre = { "<" ~ spnl ~ ("pre" | "PRE") ~ spnl ~ html_attribute* ~ ">" } // html_block_close_pre = { "<" ~ spnl ~ "/" ~ ("pre" | "PRE") ~ spnl ~ ">" } // html_block_pre = { html_block_open_pre ~ (html_block_pre | !html_block_close_pre ~ ANY)* ~ html_block_close_pre } // html_block_open_table = { "<" ~ spnl ~ ("table" | "table") ~ spnl ~ html_attribute* ~ ">" } // html_block_close_table = { "<" ~ spnl ~ "/" ~ ("table" | "table") ~ spnl ~ ">" } // html_block_table = { html_block_open_table ~ (html_block_table | !html_block_close_table ~ ANY)* ~ html_block_close_table } // html_block_open_ul = { "<" ~ spnl ~ ("ul" | "UL") ~ spnl ~ html_attribute* ~ ">" } // html_block_close_ul = { "<" ~ spnl ~ "/" ~ ("ul" | "UL") ~ spnl ~ ">" } // html_block_ul = { html_block_open_ul ~ (html_block_ul | !html_block_close_ul ~ ANY)* ~ html_block_close_ul } // html_block_open_dd = { "<" ~ spnl ~ ("dd" | "DD") ~ spnl ~ html_attribute* ~ ">" } // html_block_close_dd = { "<" ~ spnl ~ "/" ~ ("dd" | "DD") ~ spnl ~ ">" } // html_block_dd = { html_block_open_dd ~ (html_block_dd | !html_block_close_dd ~ ANY)* ~ html_block_close_dd } // html_block_open_dt = { "<" ~ spnl ~ ("dt" | "DT") ~ spnl ~ html_attribute* ~ ">" } // html_block_close_dt = { "<" ~ spnl ~ "/" ~ ("dt" | "DT") ~ spnl ~ ">" } // html_block_dt = { html_block_open_dt ~ (html_block_dt | !html_block_close_dt ~ ANY)* ~ html_block_close_dt } // html_block_open_frameset = { "<" ~ spnl ~ ("frameset" | "FRAMESET") ~ spnl ~ html_attribute* ~ ">" } // html_block_close_frameset = { "<" ~ spnl ~ "/" ~ ("frameset" | "FRAMESET") ~ spnl ~ ">" } // html_block_frameset = { html_block_open_frameset ~ (html_block_frameset | !html_block_close_frameset ~ ANY)* ~ html_block_close_frameset } // html_block_open_li = { "<" ~ spnl ~ ("li" | "LI") ~ spnl ~ html_attribute* ~ ">" } // html_block_close_li = { "<" ~ spnl ~ "/" ~ ("li" | "LI") ~ spnl ~ ">" } // html_block_li = { html_block_open_li ~ (html_block_li | !html_block_close_li ~ ANY)* ~ html_block_close_li } // html_block_open_tbody = { "<" ~ spnl ~ ("tbody" | "TBODY") ~ spnl ~ html_attribute* ~ ">" } // html_block_close_tbody = { "<" ~ spnl ~ "/" ~ ("tbody" | "TBODY") ~ spnl ~ ">" } // html_block_tbody = { html_block_open_tbody ~ (html_block_tbody | !html_block_close_tbody ~ ANY)* ~ html_block_close_tbody } // html_block_open_td = { "<" ~ spnl ~ ("td" | "TD") ~ spnl ~ html_attribute* ~ ">" } // html_block_close_td = { "<" ~ spnl ~ "/" ~ ("td" | "TD") ~ spnl ~ ">" } // html_block_td = { html_block_open_td ~ (html_block_td | !html_block_close_td ~ ANY)* ~ html_block_close_td } // html_block_open_tfoot = { "<" ~ spnl ~ ("tfoot" | "TFOOT") ~ spnl ~ html_attribute* ~ ">" } // html_block_close_tfoot = { "<" ~ spnl ~ "/" ~ ("tfoot" | "TFOOT") ~ spnl ~ ">" } // html_block_tfoot = { html_block_open_tfoot ~ (html_block_tfoot | !html_block_close_tfoot ~ ANY)* ~ html_block_close_tfoot } // html_block_open_th = { "<" ~ spnl ~ ("th" | "TH") ~ spnl ~ html_attribute* ~ ">" } // html_block_close_th = { "<" ~ spnl ~ "/" ~ ("th" | "TH") ~ spnl ~ ">" } // html_block_th = { html_block_open_th ~ (html_block_th | !html_block_close_th ~ ANY)* ~ html_block_close_th } // html_block_open_thead = { "<" ~ spnl ~ ("thead" | "THEAD") ~ spnl ~ html_attribute* ~ ">" } // html_block_close_thead = { "<" ~ spnl ~ "/" ~ ("thead" | "THEAD") ~ spnl ~ ">" } // html_block_thead = { html_block_open_thead ~ (html_block_thead | !html_block_close_thead ~ ANY)* ~ html_block_close_thead } // html_block_open_tr = { "<" ~ spnl ~ ("tr" | "TR") ~ spnl ~ html_attribute* ~ ">" } // html_block_close_tr = { "<" ~ spnl ~ "/" ~ ("tr" | "TR") ~ spnl ~ ">" } // html_block_tr = { html_block_open_tr ~ (html_block_tr | !html_block_close_tr ~ ANY)* ~ html_block_close_tr } // html_block_open_script = { "<" ~ spnl ~ ("script" | "SCRIPT") ~ spnl ~ html_attribute* ~ ">" } // html_block_close_script = { "<" ~ spnl ~ "/" ~ ("script" | "SCRIPT") ~ spnl ~ ">" } // html_block_script = { html_block_open_script ~ (!html_block_close_script ~ ANY)* ~ html_block_close_script } // html_block_open_head = { "<" ~ spnl ~ ("head" | "HEAD") ~ spnl ~ html_attribute* ~ ">" } // html_block_close_head = { "<" ~ spnl ~ "/" ~ ("head" | "HEAD") ~ spnl ~ ">" } // html_block_head = { html_block_open_head ~ (!html_block_close_head ~ ANY)* ~ html_block_close_head } // html_block_in_tags = { // html_block_address // | html_block_blockquote // | html_block_center // | html_block_dir // | html_block_div // | html_block_dl // | html_block_fieldset // | html_block_form // | html_block_h_1 // | html_block_h_2 // | html_block_h_3 // | html_block_h_4 // | html_block_h_5 // | html_block_h_6 // | html_block_menu // | html_block_noframes // | html_block_noscript // | html_block_ol // | html_block_p // | html_block_pre // | html_block_table // | html_block_ul // | html_block_dd // | html_block_dt // | html_block_frameset // | html_block_li // | html_block_tbody // | html_block_td // | html_block_tfoot // | html_block_th // | html_block_thead // | html_block_tr // | html_block_script // | html_block_head // } // html_block = { &"<" ~ ( html_block_in_tags | html_comment | html_block_self_closing ) ~ blank_line+ } // html_block_self_closing = { "<" ~ spnl ~ html_block_type ~ spnl ~ html_attribute* ~ "/" ~ spnl ~ ">" } // html_block_type = { // "address" | "block_quote" | "center" | "dir" | "div" | "dl" | "fieldset" | "form" | "h1" | "h2" | "h3" | // "h4" | "h5" | "h6" | "hr" | "isindex" | "menu" | "noframes" | "noscript" | "ol" | "p" | "pre" | "table" | // "ul" | "dd" | "dt" | "frameset" | "li" | "tbody" | "td" | "tfoot" | "th" | "thead" | "tr" | "script" | // "ADDRESS" | "block_quote" | "CENTER" | "DIR" | "DIV" | "DL" | "FIELDSET" | "FORM" | "H1" | "H2" | "H3" | // "H4" | "H5" | "H6" | "HR" | "ISINDEX" | "MENU" | "NOFRAMES" | "NOSCRIPT" | "OL" | "P" | "PRE" | "table" | // "UL" | "DD" | "DT" | "FRAMESET" | "LI" | "TBODY" | "TD" | "TFOOT" | "TH" | "THEAD" | "TR" | "SCRIPT" // } // style_open = { "<" ~ spnl ~ ("style" | "STYLE") ~ spnl ~ html_attribute* ~ ">" } // style_close = { "<" ~ spnl ~ "/" ~ ("style" | "STYLE") ~ spnl ~ ">" } // in_style_tags = { style_open ~ (!style_close ~ ANY)* ~ style_close } // style_block = { in_style_tags ~ blank_line* } // inlines = { ( !endline ~ inline | endline ~ &inline )+ ~ endline? } // inline = { // link // | str // | endline // | ul_or_star_line // | space // | strong // | emph // | strike // | note_reference // | footnote // //| citation // | code // | application_depent // | raw_html // | entity // | escaped_char // | smart // | symbol // } // space = _{ spacechar+ } // str = { normal_char+ ~ str_chunk* } // str_chunk = _{ (normal_char | "_"+ ~ &alphanumeric)+ | apos_chunk } // apos_chunk = { // // &{ extension(EXT_SMART) } ~ // "'" ~ &alphanumeric // } // escaped_char = { "\\" ~ !NEWLINE ~ ("-" | "\\" | "`" | "|" | "*" | "_" | "{" | "}" | "[" | "]" | "(" | ")" | "#" | "+" | "." | "!" | ">" | "<") } // entity = { hex_entity | dec_entity | char_entity } // endline = _{ line_break | terminal_endline | normal_endline } // normal_endline = _{ sp ~ NEWLINE ~ !(blank_line | ">" | line ~ ("="+ | "-"+) ~ NEWLINE) } // terminal_endline = _{ sp ~ NEWLINE ~ EOI } // line_break = _{ " " ~ normal_endline } // symbol = { special_char } // application_depent = { !("`_" | "``_") ~ "`" ~ !"``" ~ target_name_qu ~ "`" ~ !("``" | "_") } // // This keeps the parser from getting bogged down on long strings of "*" or "_", // // or strings of "*" or "_" with space on each side: // ul_or_star_line = { ul_line | star_line } // star_line = { "****" ~ "*"* | spacechar ~ "*"+ ~ &spacechar } // ul_line = { "____" ~ "_"* | spacechar ~ "_"+ ~ &spacechar } // whitespace = { spacechar | NEWLINE } // emph = { "*" ~ !whitespace ~ (!"*" ~ inline)+ ~ "*" } // strong = { "**" ~ !whitespace ~ (!"**" ~ inline)+ ~ "**" } // strike = { // //&{ extension(EXT_STRIKE) } ~ // "~~" ~ !whitespace ~ (!"~~" ~ inline)+ ~ "~~" // } // link = { reference_link | explicit_link | auto_link } // reference_link = { unquoted_ref_link_underbar | quoted_ref_link_underbar } // unquoted_ref_link_underbar = { unquoted_link_source ~ "_" } // quoted_ref_link_underbar = { ( !("`_" | "``_") ~ "`" ~ !"``" ) ~ target_name_qu ~ ( "`" ~ !"``" ) ~ "_" } // explicit_link = { label ~ "(" ~ sp ~ source ~ spnl ~ title ~ sp ~ ")" } // source = { source_contents } // source_contents = { ( (!("(" | ")" | ">") ~ nonspacechar)+ | "(" ~ source_contents ~ ")" )* } // title = { ( title_single | title_double | "" ) } // title_single = { "'" ~ ( !("'" ~ sp ~ (")" | NEWLINE)) ~ ANY )* ~ "'" } // title_double = { "\"" ~ ( !("\"" ~ sp ~ (")" | NEWLINE)) ~ ANY )* ~ "\"" } // auto_link = { embedded_link | auto_link_url | auto_link_email } // embedded_link = { "`" ~ embedded_ref_source ~ "<" ~ ASCII_ALPHA+ ~ "://" ~ (!(NEWLINE | ">") ~ ANY)+ ~ ">`_" ~ "_"? } // auto_link_url = { ASCII_ALPHA+ ~ "://" ~ (!(NEWLINE|">") ~ ANY)+ } // auto_link_email = { "<" ~ "mailto:"? ~ (ASCII_ALPHANUMERIC|"-"|"+"|"_"|"."|"/"|"!"|"%"|"~"|"$")+ ~ "@" ~ (!(NEWLINE | ">") ~ ANY)+ ~ ">" } // unquoted_link_source = { (!("_"|":"|"`") ~ nonspacechar)* } // embedded_ref_source = { ( !("<"|":"|"`") ~ ( " " | nonspacechar | blank_line ) )* } // label = { // "[" ~ ( // !"^" //~ &{ extension(EXT_NOTES) } // | &ANY //~ &{ extension(EXT_NOTES) } // ) ~ (!"]" ~ inline)* ~ "]" // } // empty_title = { "" } // ticks_2 = { "``" ~ !"`" } // code = { ticks_2 ~ ( (!"`" ~ nonspacechar)+ | "_" | !ticks_2 ~ "`" | !(sp ~ ticks_2) ~ (spacechar | NEWLINE ~ !blank_line) )+ ~ ticks_2 } // raw_html = { (html_comment | html_block_script | html_tag) } // quoted = { // "\"" ~ (!"\"" ~ ANY)* ~ "\"" | // "'" ~ (!"'" ~ ANY)* ~ "'" // } // html_attribute = { (ASCII_ALPHANUMERIC | "-")+ ~ spnl ~ ("=" ~ spnl ~ (quoted | (!">" ~ nonspacechar)+))? ~ spnl } // html_comment = { "" ~ ANY)* ~ "-->" } // html_tag = { "<" ~ spnl ~ "/"? ~ ASCII_ALPHANUMERIC+ ~ spnl ~ html_attribute* ~ "/"? ~ spnl ~ ">" } // spacechar = _{ " " | "\t" } // sp = _{ spacechar* } // spnl = _{ sp ~ (NEWLINE ~ sp)? } // special_char = _{ "~" | "*" | "_" | "`" | "&" | "[" | "]" | "(" | ")" | "<" | "!" | "#" | "\\" | "\"" | "'" | extended_special_char } // normal_char = _{ !( special_char | spacechar | NEWLINE ) ~ ANY } // alphanumeric = { // ASCII_ALPHANUMERIC | // "\u{200}" | "\u{201}" | "\u{202}" | "\u{203}" | "\u{204}" | "\u{205}" | "\u{206}" | "\u{207}" | // "\u{210}" | "\u{211}" | "\u{212}" | "\u{213}" | "\u{214}" | "\u{215}" | "\u{216}" | "\u{217}" | // "\u{220}" | "\u{221}" | "\u{222}" | "\u{223}" | "\u{224}" | "\u{225}" | "\u{226}" | "\u{227}" | // "\u{230}" | "\u{231}" | "\u{232}" | "\u{233}" | "\u{234}" | "\u{235}" | "\u{236}" | "\u{237}" | // "\u{240}" | "\u{241}" | "\u{242}" | "\u{243}" | "\u{244}" | "\u{245}" | "\u{246}" | "\u{247}" | // "\u{250}" | "\u{251}" | "\u{252}" | "\u{253}" | "\u{254}" | "\u{255}" | "\u{256}" | "\u{257}" | // "\u{260}" | "\u{261}" | "\u{262}" | "\u{263}" | "\u{264}" | "\u{265}" | "\u{266}" | "\u{267}" | // "\u{270}" | "\u{271}" | "\u{272}" | "\u{273}" | "\u{274}" | "\u{275}" | "\u{276}" | "\u{277}" | // "\u{300}" | "\u{301}" | "\u{302}" | "\u{303}" | "\u{304}" | "\u{305}" | "\u{306}" | "\u{307}" | // "\u{310}" | "\u{311}" | "\u{312}" | "\u{313}" | "\u{314}" | "\u{315}" | "\u{316}" | "\u{317}" | // "\u{320}" | "\u{321}" | "\u{322}" | "\u{323}" | "\u{324}" | "\u{325}" | "\u{326}" | "\u{327}" | // "\u{330}" | "\u{331}" | "\u{332}" | "\u{333}" | "\u{334}" | "\u{335}" | "\u{336}" | "\u{337}" | // "\u{340}" | "\u{341}" | "\u{342}" | "\u{343}" | "\u{344}" | "\u{345}" | "\u{346}" | "\u{347}" | // "\u{350}" | "\u{351}" | "\u{352}" | "\u{353}" | "\u{354}" | "\u{355}" | "\u{356}" | "\u{357}" | // "\u{360}" | "\u{361}" | "\u{362}" | "\u{363}" | "\u{364}" | "\u{365}" | "\u{366}" | "\u{367}" | // "\u{370}" | "\u{371}" | "\u{372}" | "\u{373}" | "\u{374}" | "\u{375}" | "\u{376}" | "\u{377}" // } // hex_entity = { "&#" ~ ("X"|"x") ~ ('0'..'9' | 'a'..'f' | 'A'..'F')+ ~ ";" } // dec_entity = { "&#" ~ ASCII_DIGIT+ ~ ";" } // char_entity = { "&" ~ ASCII_ALPHANUMERIC+ ~ ";" } // indent = _{ "\t" | " " } // indented_line = { indent ~ line } // optionally_indented_line = { indent? ~ line } // doctest_line = { ">>> " ~ raw_line } // line = _{ raw_line } // raw_line = _{ (!NEWLINE ~ ANY)* ~ NEWLINE | (!EOI ~ ANY)+ ~ EOI } // skip_block = { // html_block | // ( !("#" | setext_bottom | blank_line) ~ raw_line )+ ~ blank_line* | // blank_line+ | // raw_line // } // // Syntax extensions // extended_special_char = { // //&{ extension(EXT_SMART) } ~ // ("." | "-" | "\"" | "'") | // //&{ extension(EXT_NOTES) } ~ // "^" // } // smart = { // //&{ extension(EXT_SMART) } ~ // ( ellipsis | dash | single_quoted | double_quoted | apostrophe ) // } // apostrophe = { "'" } // ellipsis = { "..." | ". . ." } // dash = { em_dash | en_dash } // en_dash = { "-" ~ &ASCII_DIGIT } // em_dash = { "---" | "--" } // single_quote_start = { "'" ~ !(spacechar | NEWLINE) } // single_quote_end = { "'" ~ !alphanumeric } // single_quoted = { single_quote_start ~ ( !single_quote_end ~ inline )+ ~ single_quote_end } // double_quote_start = { "\"" } // double_quote_end = { "\"" } // double_quoted = { double_quote_start ~ ( !double_quote_end ~ inline )+ ~ double_quote_end } // footnote = { "[#" ~ (!"]" ~ inline)+ ~ "]_" } // definition = { // &( (!defmark ~ nonspacechar ~ raw_line) ~ blank_line? ~ defmark) ~ // d_list_title+ ~ // (def_tight | def_loose) // } // d_list_title = { !defmark ~ &nonspacechar ~ (!endline ~ inline)+ ~ sp ~ NEWLINE } // def_tight = { &defmark ~ list_tight } // def_loose = { blank_line ~ &defmark ~ list_loose } // defmark = { (":" | "~") ~ spacechar+ } // def_marker = { // //&{ extension(EXT_DLISTS) } ~ // defmark // }