jean_io 0.1.0

I/O library feature for jean
Documentation 
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WHITESPACE = _{ " " | "\t" }

A = @{ ASCII_ALPHANUMERIC }

rest = { ANY* }

str = _{ string | nstring }
	string = @{ (!(NEWLINE | "\t") ~ ANY)+ }
  nstring = @{ (!(WHITESPACE | NEWLINE) ~ ANY)+ }

num = _{ float | int }
    int = @{ ASCII_DIGIT+ }
    float = @{ ASCII_DIGIT+ ~ "." ~ ASCII_DIGIT* }
  
    
version = @{ (int ~ "."){2,} ~ int }
    
val = _{ none | version | num | string }
	none = @{ "." }

com = _{ directive | comment }
  comment = ${ "#"{1} ~ str? } 
  directive = { "#"{2} ~ (gff_version | sequence_region | ontology | species | fasta | str) }
  	gff_version = { "gff-version" ~ version }
    sequence_region = { "sequence-region" ~  nstring ~ int  ~ int }
    ontology = _{ feature_ontology | attribute_ontology | source_ontology }
      feature_ontology = { "feature-ontology" ~ val }
      attribute_ontology = { "attribute-ontology" ~ val }
      source_ontology = { "source-ontology" ~ val }
    species = { "species" ~ val }
    fasta = { "FASTA" ~ NEWLINE ~ rest }
  
record = { nstring ~ (none | string) ~ nstring ~ int ~ int ~ (none | num) ~ (none | nstring) ~ (none | int) ~ (none | string) }

item = _{ com | record } 
  
file = { SOI ~ (item | NEWLINE)* ~ item? ~ EOI }