grammar

var (
	Document = op.Capture{
		Name: "Document",
		Value: op.ZeroOrMore{Value: op.And{
			nt.OWhitespace,
			op.Or{
				Directive,
				op.And{Triples, WSPLNC, '.'},
				op.And{op.Optional{Value: nt.Comment}, op.EndOfLine{}},
			},
		}},
	}
	Directive = op.Capture{
		Name:  "Directive",
		Value: op.Or{PrefixID, Base, SparqlPrefix, SparqlBase},
	}
	PrefixID = op.Capture{
		Name: "Prefix",
		Value: op.And{
			"@prefix", WSPLNC,
			op.Capture{Name: "Prefix", Value: PNAME_NS}, nt.OWhitespace,
			nt.IRIReference, nt.OWhitespace,
			'.',
		},
	}
	Base = op.Capture{
		Name: "Base",
		Value: op.And{
			"@base", WSPLNC,
			nt.IRIReference, nt.OWhitespace,
			'.',
		},
	}
	PREFIX       = CaseInsensitiveString("PREFIX")
	SparqlPrefix = op.Capture{
		Name: "Prefix",
		Value: op.And{
			PREFIX, nt.OWhitespace,
			op.Capture{Name: "Prefix", Value: PNAME_NS}, nt.OWhitespace,
			nt.IRIReference,
		},
	}
	BASE       = CaseInsensitiveString("BASE")
	SparqlBase = op.Capture{
		Name: "Base",
		Value: op.And{
			BASE, nt.OWhitespace,
			nt.IRIReference,
		},
	}
	Triples = op.Capture{
		Name: "Triples",
		Value: op.Or{
			op.Capture{
				Name: "TripleSubject",
				Value: op.And{
					Subject,
					WSPLNC,
					PredicateObjectList,
				},
			},
			op.Capture{
				Name: "TripleBlankNodePropertyList",
				Value: op.And{
					BlankNodePropertyList,
					op.Optional{Value: op.And{WSPLNC, PredicateObjectList}},
				},
			},
		},
	}
	PredicateObject = op.Capture{
		Name: "PredicateObject",
		Value: op.And{
			Verb,
			WSPLNC,
			ObjectList,
		},
	}
	PredicateObjectList = op.Capture{
		Name: "PredicateObjectList",
		Value: op.And{
			PredicateObject,
			op.ZeroOrMore{Value: op.And{
				WSPLNC, ';',
				op.Optional{Value: op.And{WSPLNC, PredicateObject}},
			}},
		},
	}
	ObjectList = op.Capture{
		Name: "ObjectList",
		Value: op.And{
			Object,
			op.ZeroOrMore{Value: op.And{
				nt.OWhitespace, ',',
				WSPLNC, Object,
			}},
		},
	}
	Verb = op.Capture{
		Name:  "Verb",
		Value: op.Or{IRI, op.Capture{Name: "a", Value: 'a'}},
	}
	Subject = op.Capture{
		Name:  "Subject",
		Value: op.Or{IRI, BlankNode, Collection},
	}
	Object = op.Capture{
		Name: "Object",
		Value: op.Or{
			Literal,
			IRI,
			BlankNode,
			op.Reference{Name: "Collection"},
			op.Reference{Name: "BlankNodePropertyList"},
		},
	}
	Literal = op.Capture{
		Name:  "Literal",
		Value: op.Or{RDFLiteral, NumericLiteral, BooleanLiteral},
	}
	BlankNodePropertyList = op.Capture{
		Name:  "BlankNodePropertyList",
		Value: op.And{'[', WSPLNC, PredicateObjectList, WSPLNC, ']'},
	}
	Collection = op.Capture{
		Name: "Collection",
		Value: op.And{
			'(',
			WSPLNC,
			op.ZeroOrMore{Value: op.And{
				Object,
				WSPLNC,
			}},
			')',
		},
	}
	NumericLiteral = op.Capture{
		Name:  "NumericLiteral",
		Value: op.Or{Double, Decimal, Integer},
	}
	RDFLiteral = op.Capture{
		Name:  "RDFLiteral",
		Value: op.And{String, op.Optional{Value: op.Or{nt.LanguageTag, op.And{"^^", IRI}}}},
	}
	BooleanLiteral = op.Capture{
		Name:  "BooleanLiteral",
		Value: op.Or{"true", "false"},
	}
	String = op.Or{
		STRING_LITERAL_LONG_SINGLE_QUOTE,
		STRING_LITERAL_LONG_QUOTE,
		nt.StringLiteral,
		STRING_LITERAL_SINGLE_QUOTE,
	}
	IRI = op.Capture{
		Name: "IRI",
		Value: op.Or{
			nt.IRIReference,
			PrefixedName,
		},
	}
	PrefixedName = op.Capture{
		Name: "PrefixedName",
		Value: op.And{
			op.Not{Value: "_:"},
			op.And{PNAME_NS, op.Optional{Value: PN_LOCAL}},
		},
	}
	BlankNode = op.Capture{
		Name:  "BlankNode",
		Value: op.Or{nt.BlankNodeLabel, ANON},
	}
	PNAME_NS = op.OneOrMore{Value: op.And{
		op.Optional{Value: op.And{
			nt.PN_CHARS_BASE,
			op.ZeroOrMore{Value: op.And{
				op.Not{Value: ':'},
				op.Or{
					nt.PN_CHARS,
					op.And{
						op.OneOrMore{Value: '.'},
						op.Peek{Value: op.And{
							op.Not{Value: ':'},
							nt.PN_CHARS,
						}},
					},
				},
			}},
		}},
		':',
	}}
	Integer = op.Capture{
		Name: "Integer",
		Value: op.And{
			op.Optional{Value: op.Or{"+", "-"}},
			op.OneOrMore{Value: op.RuneRange{Min: '0', Max: '9'}},
		},
	}
	Decimal = op.Capture{
		Name: "Decimal",
		Value: op.And{
			op.Optional{Value: op.Or{"+", "-"}},
			op.ZeroOrMore{Value: op.RuneRange{Min: '0', Max: '9'}},
			'.',
			op.OneOrMore{Value: op.RuneRange{Min: '0', Max: '9'}},
		},
	}
	Double = op.Capture{
		Name: "Double",
		Value: op.And{
			op.Optional{Value: op.Or{"+", "-"}},
			op.Or{
				op.And{
					op.OneOrMore{Value: op.RuneRange{Min: '0', Max: '9'}},
					'.',
					op.ZeroOrMore{Value: op.RuneRange{Min: '0', Max: '9'}},
					Exponent,
				},
				op.And{
					op.Optional{Value: '.'},
					op.OneOrMore{Value: op.RuneRange{Min: '0', Max: '9'}},
					Exponent,
				},
			},
		},
	}
	Exponent = op.And{
		op.Or{'e', 'E'},
		op.Optional{Value: op.Or{'+', '-'}},
		op.OneOrMore{Value: op.RuneRange{Min: '0', Max: '9'}},
	}
	STRING_LITERAL_SINGLE_QUOTE = op.And{
		'\'',
		op.Capture{
			Name: "StringLiteralSQ",
			Value: op.ZeroOrMore{Value: op.Or{
				op.AnyBut{Value: op.Or{rune(0x27), rune(0x5C), rune(0x0A), rune(0x0D)}},
				nt.EscapedCharacter,
				nt.UnicodeCharacter,
			}},
		},
		'\'',
	}
	STRING_LITERAL_LONG_QUOTE = op.And{
		"\"\"\"",
		op.Capture{
			Name: "StringLiteralLQ",
			Value: op.ZeroOrMore{Value: op.And{
				op.Optional{Value: op.Or{"\"\"", '"'}},
				op.Or{
					op.AnyBut{Value: op.Or{'"', '\\'}},
					nt.EscapedCharacter,
					nt.UnicodeCharacter,
				},
			}},
		},
		"\"\"\"",
	}
	STRING_LITERAL_LONG_SINGLE_QUOTE = op.And{
		"'''",
		op.Capture{
			Name: "StringLiteralLSQ",
			Value: op.ZeroOrMore{Value: op.And{
				op.Optional{Value: op.Or{"''", '\''}},
				op.Or{
					op.AnyBut{Value: op.Or{'\'', '\\'}},
					nt.EscapedCharacter,
					nt.UnicodeCharacter,
				},
			}},
		},
		"'''",
	}
	WS   = op.Or{rune(0x20), rune(0x09), rune(0x0D), rune(0x0A)}
	ANON = op.Capture{
		Name:  "Anon",
		Value: op.And{'[', op.ZeroOrMore{Value: WS}, ']'},
	}
	PN_LOCAL = op.And{
		op.Or{nt.PN_CHARS_U, ':', op.RuneRange{Min: '0', Max: '9'}, PLX},
		op.Optional{Value: op.And{
			op.ZeroOrMore{Value: op.Or{
				op.And{
					op.OneOrMore{Value: '.'},
					op.Peek{Value: op.Or{nt.PN_CHARS, ':', PLX}},
				},
				op.Or{nt.PN_CHARS, ':', PLX},
			}},
		}},
	}
	PLX          = op.Or{PERCENT, PN_LOCAL_ESC}
	PERCENT      = op.And{'%', nt.Hexadecimal, nt.Hexadecimal}
	PN_LOCAL_ESC = op.And{
		'\\',
		op.Or{'_', '~', '.', '-', '!', '$', '&', '\'', '(', ')', '*', '+', ',', ';', '=', '/', '?', '#', '@', '%'},
	}
	WSPLNC = op.ZeroOrMore{Value: op.Or{
		nt.Whitespace,
		op.EndOfLine{},
		nt.Comment,
	}}
)