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JSONPath Tools / @jsonpath-tools/jsonpath / SyntaxDescriptionService

Class: SyntaxDescriptionService ​

Provides a description for parts of a query syntax tree.

Constructors ​

new SyntaxDescriptionService() ​

ts
new SyntaxDescriptionService(queryOptions): SyntaxDescriptionService

Parameters ​

queryOptions ​

QueryOptions

Query options.

Returns ​

SyntaxDescriptionService

Methods ​

provideDescription() ​

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provideDescription(tree): null | SyntaxDescription

Provides a description for the given part of a query syntax tree. When the part has no description available it returns null.

Parameters ​

tree ​

SyntaxTree

Part of a query syntax tree.

Returns ​

null | SyntaxDescription

provideDescriptionForAtToken() ​

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provideDescriptionForAtToken(): SyntaxDescription

Provides a description for SyntaxTreeType.atToken.

Returns ​

SyntaxDescription

provideDescriptionForBooleanLiteralExpression() ​

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provideDescriptionForBooleanLiteralExpression(value): SyntaxDescription

Provides a description for BooleanLiteralExpression.

Parameters ​

value ​

boolean

BooleanLiteralExpression.value.

Returns ​

SyntaxDescription

provideDescriptionForComparisonExpression() ​

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provideDescriptionForComparisonExpression(operator): SyntaxDescription

Provides a description for ComparisonExpression.

Parameters ​

operator ​

ComparisonOperator

ComparisonExpression.operator.

Returns ​

SyntaxDescription

provideDescriptionForDollarToken() ​

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provideDescriptionForDollarToken(): SyntaxDescription

Provides a description for SyntaxTreeType.dollarToken.

Returns ​

SyntaxDescription

provideDescriptionForFilterSelector() ​

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provideDescriptionForFilterSelector(): SyntaxDescription

Provides a description for FilterSelector.

Returns ​

SyntaxDescription

provideDescriptionForFunctionExpression() ​

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provideDescriptionForFunctionExpression(name, functionDefinition?): SyntaxDescription

Provides a description for FunctionExpression.

Parameters ​

name ​

string

FunctionExpression.name.

functionDefinition? ​

Function

Definition of the function.

Returns ​

SyntaxDescription

provideDescriptionForIndexSelector() ​

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provideDescriptionForIndexSelector(index?): SyntaxDescription

Provides a description for IndexSelector.

Parameters ​

index? ​

number

IndexSelector.index.

Returns ​

SyntaxDescription

provideDescriptionForMissingSelector() ​

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provideDescriptionForMissingSelector(): SyntaxDescription

Provides a description for MissingSelector.

Returns ​

SyntaxDescription

provideDescriptionForNameSelector() ​

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provideDescriptionForNameSelector(name?): SyntaxDescription

Provides a description for NameSelector.

Parameters ​

name? ​

string

NameSelector.name.

Returns ​

SyntaxDescription

provideDescriptionForNullLiteralExpression() ​

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provideDescriptionForNullLiteralExpression(): SyntaxDescription

Provides a description for NullLiteralExpression.

Returns ​

SyntaxDescription

provideDescriptionForNumberLiteralExpression() ​

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provideDescriptionForNumberLiteralExpression(value): SyntaxDescription

Provides a description for NumberLiteralExpression.

Parameters ​

value ​

number

NumberLiteralExpression.value.

Returns ​

SyntaxDescription

provideDescriptionForQuery() ​

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provideDescriptionForQuery(queryType): SyntaxDescription

Provides a description for SubQuery.

Parameters ​

queryType ​

QueryType

SubQuery.queryType.

Returns ​

SyntaxDescription

provideDescriptionForSliceSelector() ​

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provideDescriptionForSliceSelector(
   start?, 
   end?, 
   step?): SyntaxDescription

Provides a description for SliceSelector.

Parameters ​

start? ​

SliceSelector.start.

null | number

end? ​

SliceSelector.end.

null | number

step? ​

SliceSelector.step.

null | number

Returns ​

SyntaxDescription

provideDescriptionForStringLiteralExpression() ​

ts
provideDescriptionForStringLiteralExpression(value): SyntaxDescription

Provides a description for StringLiteralExpression.

Parameters ​

value ​

string

StringLiteralExpression.value.

Returns ​

SyntaxDescription

provideDescriptionForWildcardSelector() ​

ts
provideDescriptionForWildcardSelector(): SyntaxDescription

Provides a description for WildcardSelector.

Returns ​

SyntaxDescription