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working grammar

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This commit is contained in:
Guilhem Fauré 2023-04-26 14:29:14 +02:00
parent f62c634880
commit c7438403e0
1 changed files with 44 additions and 27 deletions
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spip2md/spip.lark
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@ -1,42 +1,59 @@
?start: unordered_list start: _N? block ( _N+ block )+ _N*
?block: heading
| SEPARATOR
| unordered_list
| ordered_list | ordered_list
| table | table
| SEPARATOR
| N+
| heading
| paragraph | paragraph
unordered_list: ( N "-*" list_element )+ heading: "{{{" ( TEXT | link | nested_italic | nested_bold ) "}}}"
ordered_list: ( N "-#" list_element )+
list_element: text
table: ( N row )+ SEPARATOR: "----" "-"*
unordered_list: ( "-*" list_element _N )+
ordered_list: ( "-#" list_element _N )+
list_element: _inline_format
table: ( row _N )+
row: ( "|" cell )+ "|" row: ( "|" cell )+ "|"
cell: text cell: _inline_format
SEPARATOR: N /-{4,}/ paragraph: ( _inline_format _N? )+
N: /\r/? /\n/ // Windows or Unix line break
_N: /\r/? /\n/
heading: "{{{" text "}}}" _inline_format: bold
| italic
| link
| TEXT
paragraph: text bold: "{{" ( TEXT | link | nested_italic )+ "}}"
italic: "{" ( TEXT | link | nested_bold )+ "}"
text: ( italic | bold | link | PURE_TEXT )+ nested_bold: _NOT_LBRACE "{{" ( TEXT | link ) "}}" _NOT_RBRACE -> bold
nested_italic: _NOT_LBRACE "{" ( TEXT | link ) "}" _NOT_RBRACE -> italic
italic: "{" ( PURE_TEXT | link | bold_in_italic )+ "}" _NOT_LBRACE: /[^\{]/
bold: "{{" ( PURE_TEXT | link | italic_in_bold )+ "}}" _NOT_RBRACE: /[^\}]/
bold_in_italic: "{{" ( PURE_TEXT | link ) "}}"
italic_in_bold: "{" ( PURE_TEXT | link ) "}"
link: internal_link ?link: internal_link
| external_link | external_link
| footnote | footnote
| glossary | glossary
internal_link: "[" PURE_TEXT "->" PURE_TEXT "]" internal_link: "[" TEXT "->" TEXT "]"
external_link: "[" PURE_TEXT "->" /[a-z]{3,6}:\/\// PURE_TEXT "]" external_link: "[" TEXT "->" _PROTOCOL "://" TEXT "]"
footnote: "[[" PURE_TEXT "]]"
glossary: "[?" PURE_TEXT "]"
PURE_TEXT: /[^\{\}]+/ // Protocol, probably http(s)
// Is made of 2 to 8 latin letters
_PROTOCOL: /[a-zA-Z]{2,8}/
footnote: "[[" TEXT "]]"
glossary: "[?" TEXT "]"
// Pure text :
// - Never contains line breaks
// - Never contains curly braces
TEXT: /[^\r\n\{\}]/+