maplibre-compose-expressions/dev.sargunv.maplibrecompose.expressions.ast

Package-level declarations

The abstract syntax tree (AST) for the expression language.

Types

BitmapLiteral

data class BitmapLiteral : Literal<StringValue, ImageBitmap>

A Literal representing an ImageBitmap value, which will be loaded as an image into the style upon compilation.

BooleanLiteral

data class BooleanLiteral : CompiledLiteral<BooleanValue, Boolean>

A Literal representing a Boolean value.

ColorLiteral

data class ColorLiteral : CompiledLiteral<ColorValue, Color>

A Literal representing a Color value.

CompiledExpression

sealed interface CompiledExpression<out T : ExpressionValue> : Expression<T>

An Expression reduced to only those data types supported by the MapLibre SDKs. This can be thought of as an intermediate representation between the high level expression DSL and the platform-specific encoding.

CompiledFunctionCall

data class CompiledFunctionCall : CompiledExpression<ExpressionValue>

A Literal representing an function call with args all of CompiledExpression

CompiledListLiteral

data class CompiledListLiteral<T : ExpressionValue> : CompiledLiteral<ListValue<T>, List<Literal<T, *>>>

A Literal representing a JSON array with elements all CompiledLiteral.

CompiledLiteral

sealed interface CompiledLiteral<out T : ExpressionValue, out L> : Literal<T, L> , CompiledExpression<T>

An Expression representing a constant literal value of a type supported by MapLibre.

CompiledMapLiteral

data class CompiledMapLiteral<V : ExpressionValue> : CompiledLiteral<MapValue<V>, Map<String, Literal<V, *>>>

A Literal representing a JSON object with values all CompiledLiteral.

CompiledOptions

data class CompiledOptions<T : ExpressionValue> : CompiledExpression<MapValue<T>>

An Expression representing a JSON object with values all CompiledExpression.

DpLiteral

data class DpLiteral : Literal<DpValue, Dp>

A Literal representing a Dp value.

DpOffsetLiteral

data class DpOffsetLiteral : Literal<DpOffsetValue, DpOffset>

A Literal representing a DpOffset value.

DpPaddingLiteral

data class DpPaddingLiteral : CompiledLiteral<DpPaddingValue, PaddingValues.Absolute>

A Literal representing a PaddingValues value.

EnumLiteral

data class EnumLiteral<T : EnumValue<T>> : Literal<T, T>

A Literal representing an enum value of type T.

Expression

sealed interface Expression<out T : ExpressionValue>

An Expression that evaluates to a value of type T.

FloatLiteral

data class FloatLiteral : CompiledLiteral<FloatValue, Float>

A Literal representing a Number value.

FunctionCall

data class FunctionCall : Expression<ExpressionValue>

An Expression representing a function call.

IntLiteral

data class IntLiteral : Literal<IntValue, Int>

A Literal representing an Int value.

ListLiteral

data class ListLiteral<T : ExpressionValue> : Literal<ListValue<T>, List<Literal<T, *>>>

A Literal representing a JSON array.

Literal

sealed interface Literal<out T : ExpressionValue, out L> : Expression<T>

An Expression representing a constant literal value.

MapLiteral

data class MapLiteral<T : ExpressionValue> : Literal<MapValue<T>, Map<String, Literal<T, *>>>

A Literal representing a JSON object.

MillisecondsLiteral

data class MillisecondsLiteral : Literal<MillisecondsValue, Duration>

A Literal representing a Duration value.

NullLiteral

data object NullLiteral : CompiledLiteral<Nothing, Nothing?>

A Literal representing a null value.

OffsetLiteral

data class OffsetLiteral : CompiledLiteral<FloatOffsetValue, Offset>

A Literal representing a Offset value.

Options

data class Options<T : ExpressionValue> : Expression<MapValue<T>>

An Expression representing a JSON object with values all Expression.

PainterLiteral

data class PainterLiteral : Literal<StringValue, Painter>

A Literal representing a Painter value, which will be drawn to a bitmap and loaded as an image into the style upon compilation.

StringLiteral

data class StringLiteral : CompiledLiteral<StringValue, String>

A Literal representing a String value.

TextUnitCalculation

data class TextUnitCalculation : Expression<TextUnitValue>

An Expression representing a TextUnit value in EM or SP, which may be transformed into multiplication function call to convert to the needed units upon compilation.

TextUnitOffsetCalculation

data class TextUnitOffsetCalculation : Expression<TextUnitOffsetValue>

An Expression representing a TextUnitOffsetValue in EM or SP, which may be transformed into an interpolation function call to convert to the needed units upon compilation.