Trait

ujson

Visitor

Related Doc: package ujson

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trait Visitor[-T, +J] extends AnyRef

Visitor is a type class that describes how ujson should visit json elements.

Visitors return their results type as J which may be an AST, e.g. AstTransformer, or a writer-like type that Visitors apply side-effects to, e.g. StringRenderer, BytesRenderer.

T

???

J

the result of visiting elements (e.g. a json AST or side-effecting writer)

See also

http://www.lihaoyi.com/post/ZeroOverheadTreeProcessingwiththeVisitorPattern.html

Linear Supertypes
AnyRef, Any
Known Subclasses
AstTransformer, BaseRenderer, BytesRenderer, CustomVisitor, Js, NoOpVisitor, Renderer, StringRenderer
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Abstract Value Members

  1. abstract def visitArray(index: Int): ArrVisitor[T, J]

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    index

    json source position at the start of the [ being visited

    returns

    a Visitor used for visiting the elements of the array

  2. abstract def visitFalse(index: Int): J

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    index

    json source position at the start of the false being visited

  3. abstract def visitNull(index: Int): J

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    index

    json source position at the start of the null being visited

  4. abstract def visitNum(s: CharSequence, decIndex: Int, expIndex: Int, index: Int): J

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    Visit the number in its text representation.

    Visit the number in its text representation.

    s

    unparsed text representation of the number.

    decIndex

    index of the ., relative to the start of the CharSequence, or -1 if omitted

    expIndex

    index of e or E relative to the start of the CharSequence, or -1 if omitted

    index

    json source position at the start of the number being visited

    See also

    Js.visitNum() for an example of parsing into numeric types

  5. abstract def visitObject(index: Int): ObjVisitor[T, J]

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    index

    json source position at the start of the { being visited

    returns

    a ObjVisitor used for visiting the keys/values of the object

  6. abstract def visitString(s: CharSequence, index: Int): J

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    s

    the text string being visited

    index

    json source position at the start of the string being visited

  7. abstract def visitTrue(index: Int): J

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    index

    json source position at the start of the true being visited

Concrete Value Members

  1. final def !=(arg0: Any): Boolean

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  2. final def ##(): Int

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  3. final def ==(arg0: Any): Boolean

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  4. def apply(t: Transformable): J

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  5. final def asInstanceOf[T0]: T0

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  6. def clone(): AnyRef

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    protected[java.lang]
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  7. final def eq(arg0: AnyRef): Boolean

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  8. def equals(arg0: Any): Boolean

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  9. def finalize(): Unit

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  10. final def getClass(): Class[_]

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  11. def hashCode(): Int

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  12. final def isInstanceOf[T0]: Boolean

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  13. final def ne(arg0: AnyRef): Boolean

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  14. final def notify(): Unit

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  15. final def notifyAll(): Unit

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  16. final def synchronized[T0](arg0: ⇒ T0): T0

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  17. def toString(): String

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  18. def visitArray(): ArrVisitor[T, J]

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    Version of visitArray() without source index information.

    Version of visitArray() without source index information.

    returns

    a Visitor used for visiting the elements of the array

  19. def visitFalse(): J

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  20. def visitNull(): J

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  21. def visitNum(s: CharSequence, decIndex: Int, expIndex: Int): J

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    Visit the number in its text representation, without source index information.

    Visit the number in its text representation, without source index information.

    s

    unparsed text representation of the number.

    decIndex

    index of the ., relative to the start of the CharSequence, or -1 if omitted

    expIndex

    index of e or E relative to the start of the CharSequence, or -1 if omitted

    See also

    Js.visitNum() for an example of parsing into numeric types

  22. def visitNumRaw(d: Double, index: Int): J

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    Optional handler for raw double values; can be overriden for performance in cases where you're translating directly between numbers to avoid the overhead of stringifying and re-parsing your numbers (e.g.

    Optional handler for raw double values; can be overriden for performance in cases where you're translating directly between numbers to avoid the overhead of stringifying and re-parsing your numbers (e.g. the WebJson transformer gets raw doubles from the underlying Json.parse).

    Delegates to visitNum if not overriden

    Unused by raw json parsers such as ByteBasedParser or CharBasedParser.

    d

    the input number

    index

    json source position at the start of the number being visited

  23. def visitNumRawString(s: String, index: Int): J

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    Convenience methods to help you compute the decimal-point-index and exponent-index of an arbitrary numeric string

    Convenience methods to help you compute the decimal-point-index and exponent-index of an arbitrary numeric string

    s

    the text string being visited

    index

    json source position at the start of the string being visited

  24. def visitObject(): ObjVisitor[T, J]

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    returns

    a ObjVisitor used for visiting the keys/values of the object

  25. def visitString(s: CharSequence): J

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    s

    the text string being visited

  26. def visitTrue(): J

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  27. final def wait(): Unit

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  28. final def wait(arg0: Long, arg1: Int): Unit

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  29. final def wait(arg0: Long): Unit

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