tmql

Documentation

Overview

Package tmql implements decoding TMQL queries.

Index

• func Parse(r io.Reader, v interface{}) error
• func ParseBytes(b []byte, v interface{}) error
• func ParseString(s string, v interface{}) error
• type Anchor
• type Atom
• type Axis
  • func (a *Axis) Capture(s []string) error
  • func (a Axis) String() string
• type BindingSet
• type BooleanExpression
• type BooleanPrimitive
• type CompositeContent
• type Constant
• type Content
• type ExistsClause
• type ExistsQuantifier
• type ForallClause
• type ItemReference
• type Keyword
  • func (k *Keyword) Capture(s []string) error
• type OpContent
• type PathExpression
• type Postfix
• type PostfixedExpression
• type QName
• type QueryExpression
• type SimpleContent
• type Step
• type StepDirection
  • func (sd *StepDirection) Capture(s []string) error
• type TupleExpression
• type VariableAssignment

Functions

func Parse

func Parse(r io.Reader, v interface{}) error

func ParseBytes

func ParseBytes(b []byte, v interface{}) error

func ParseString

func ParseString(s string, v interface{}) error

Types

type Anchor

type Anchor struct {
	Constant *Constant `  @@`
	Variable string    `| @Variable | @"."`
}

TMQL [20] anchor

http://www.isotopicmaps.org/tmql/tmql.html#anchor

type Atom

type Atom struct {
	Keyword Keyword `( @"undef" | @"true" | @"false" )`
	Number  *int    `| @Int`
	String  *string `| @String`
}

TMQL [2] atom

http://www.isotopicmaps.org/tmql/tmql.html#atom

type Axis

type Axis int

TMQL [18] axis

http://www.isotopicmaps.org/tmql/tmql.html#axis

const (
	UnspecifiedAxis Axis = iota
	TypesAxis
	SupertypesAxis
	PlayersAxis
	RolesAxis
	TraverseAxis
	CharacteristicsAxis
	ScopeAxis
	LocatorsAxis
	IndicatorsAxis
	ItemAxis
	ReifierAxis
	AtomifyAxis
)

func (*Axis) Capture

func (a *Axis) Capture(s []string) error

func (Axis) String

func (a Axis) String() string

type BindingSet

type BindingSet struct {
	VariableAssignments []*VariableAssignment `@@ ( "," @@ )*`
}

TMQL [45] binding-set

http://www.isotopicmaps.org/tmql/tmql.html#binding-set

type BooleanExpression

type BooleanExpression struct {
	BooleanPrimitive *BooleanPrimitive `@@`
}

TMQL [38] boolean-expression

http://www.isotopicmaps.org/tmql/tmql.html#boolean-expression

type BooleanPrimitive

type BooleanPrimitive struct {
	Negated      *BooleanPrimitive `  "not" @@`
	ForallClause *ForallClause     `| @@`
	ExistsClause *ExistsClause     `| @@`
}

TMQL [39] boolean-primitive

http://www.isotopicmaps.org/tmql/tmql.html#boolean-primitive

type CompositeContent

type CompositeContent struct {
	Content   *Content   `@@`
	OpContent *OpContent `@@*`
}

type Constant

type Constant struct {
	Atom          *Atom          `  @@`
	ItemReference *ItemReference `| @@`
}

TMQL [1] constant

http://www.isotopicmaps.org/tmql/tmql.html#constant

type Content

type Content struct {
	QueryExpression *QueryExpression `  "{" @@ "}"`
	PathExpression  *PathExpression  `| @@`
}

TMQL [23] content

http://www.isotopicmaps.org/tmql/tmql.html#content

type ExistsClause

type ExistsClause struct {
	ExistsQuantifier  *ExistsQuantifier  `( @@`
	BindingSet        *BindingSet        `  @@`
	BooleanExpression *BooleanExpression `  "satisfies" @@ )`
	ExistsContent     *CompositeContent  `| "exists"? @@`
}

TMQL [40] exists-clause

http://www.isotopicmaps.org/tmql/tmql.html#exists-clause

type ExistsQuantifier

type ExistsQuantifier struct {
	Some  bool `  @"some"`
	Least int  `| "at" ( "least" @Int`
	Most  int  `       | "most" @Int )`
}

TMQL [41] exists-quantifier

http://www.isotopicmaps.org/tmql/tmql.html#exists-quantifier

type ForallClause

type ForallClause struct {
	BindingSet        *BindingSet        `"every" @@`
	BooleanExpression *BooleanExpression `"satisfies" @@`
}

TMQL [42] forall-clause

http://www.isotopicmaps.org/tmql/tmql.html#forall-clause

type ItemReference

type ItemReference struct {
	Identifier string `  @Identifier`
	QIRI       string `| @QIRI`
}

TMQL [17] item-reference

http://www.isotopicmaps.org/tmql/tmql.html#item-reference

type Keyword

type Keyword string

const (
	UndefKeyword Keyword = "undef"
	TrueKeyword  Keyword = "true"
	FalseKeyword Keyword = "false"
)

func (*Keyword) Capture

func (k *Keyword) Capture(s []string) error

type OpContent

type OpContent struct {
	ContentInfixOperator string   `( @"++" | @"--" | @"==" )`
	Content              *Content `@@`
}

type PathExpression

type PathExpression struct {
	PostfixedExpression *PostfixedExpression `@@`
}

TMQL [53] path-expression

http://www.isotopicmaps.org/tmql/tmql.html#path-expression

type Postfix

type Postfix struct {
	// TMQL [56] filter-postfix
	//
	// http://www.isotopicmaps.org/tmql/tmql.html#filter-postfix
	FilterPostfix *BooleanPrimitive `"[" @@ "]"`
}

TMQL [55] postfix

http://www.isotopicmaps.org/tmql/tmql.html#postfix

type PostfixedExpression

type PostfixedExpression struct {
	TupleExpression *TupleExpression `( @@`
	SimpleContent   *SimpleContent   `| @@ )`
	Postfix         []*Postfix       `@@*`
}

TMQL [54] postfixed-expression

http://www.isotopicmaps.org/tmql/tmql.html#postfixed-expression

type QName

type QName struct {
	Prefix     string `@Prefix`
	Identifier string `@Identifier`
}

TMQL [14] QName

http://www.isotopicmaps.org/tmql/tmql.html#QName

type QueryExpression

type QueryExpression struct {
	PathExpression *PathExpression `@@`
}

TMQL [46] query-expression

http://www.isotopicmaps.org/tmql/tmql.html#query-expression

type SimpleContent

type SimpleContent struct {
	Anchor     *Anchor `@@`
	Navigation []*Step `@@*`
}

TMQL [21] simple-content

http://www.isotopicmaps.org/tmql/tmql.html#simple-content

type Step

type Step struct {
	Direction StepDirection `( @">>" | @"<<" )`
	Axis      Axis          `` /* 248-byte string literal not displayed */

	Anchor *Anchor `@@?`
}

TMQL [18] step

http://www.isotopicmaps.org/tmql/tmql.html#step

type StepDirection

type StepDirection int

const (
	StepForward StepDirection = iota
	StepBackward
)

func (*StepDirection) Capture

func (sd *StepDirection) Capture(s []string) error

type TupleExpression

type TupleExpression struct {
	Null bool `@Null`
}

TMQL [24] tuple-expression

http://www.isotopicmaps.org/tmql/tmql.html#tuple-expression

type VariableAssignment

type VariableAssignment struct {
	Variable         string            `@Variable`
	CompositeContent *CompositeContent `"in" @@`
}

TMQL [44] variable-assignment

http://www.isotopicmaps.org/tmql/tmql.html#variable-assignment