lexer grammar InkBlotAntlrLexer;

Whitespace: [ \t]+ ;

// see InkParser_Content.cs, ContentTextNoEscape and ContentTextAllowingEcapeChar for the escape case
// this works for the base case where we're not parsing a string, nor a choice 
CONTENT_TEXT_NO_ESCAPE_SIMPLE:
    (
      // any character is valid, except for:
      // - {}   ==> identifies embedded logic
      // - |    ==> text alternatives, is forbidden even in non-logic text for some reason
      // - \n\r ==> a new line of content
      // - #    ==> a tag
      // - \, < and - with exceptions (see below)
      ~[{}|\n\r\\#-<]
      // any character can be escaped
    | '\\' [\u0000-\uFFFF] // TODO: is there a better way to say "any character"?
      // accept a - only if not followed by a > (->, a divert)
    | '-' { InputStream.LA(1) != '>' }?
      // same for threads (<-) and glue (<>)
    | '<' { InputStream.LA(1) != '-' && InputStream.LA(1) != '>' }?
    )+ ;