This library provides an easy way of filtering a list of simplified n-triples. A simplified n-triple with a subject, a predicate and an object. It is simplified because it does not discriminate between URI, blank node, language or datatype. More about RDF n-triples
There is no dependency.
elm-app package install <package-name>
Create a simplified n-triple with a subject, a predicate and an object.
createTriple "http://example.org/show/218" "http://www.w3.org/2000/01/rdf-schema#label" "That Seventies Show"
Please note that intentionally this library has a very casual approach to the specs, and any string will be accepted.
Filter a list of n-triples based on a filter expression.
-- Select only the triples which have a given subject
filter (WithSubject (Equals "http://example.org/show/218")) listOfTriples
-- Select only the triples which have a label and which starts with "That"
filter (And (WithPredicate (Equals "http://www.w3.org/2000/01/rdf-schema#label"))(WithObject (StartsWith "That")) ) listOfTriples
Type | Description |
---|---|
WithSubject | Specify a criteria for the subject field. |
WithPredicate | Specify a criteria for the predicate field. |
WithObject | Specify a criteria for the object field. |
Not | Inverts the effect of a filter expression and returns a list of triples that does not match it. |
And | Joins filter expressions clauses with a logical AND returns all the triples that match the conditions of both clauses. |
Or | Joins filter expressions clauses with a logical OR returns all the triples that match the conditions of either clauses. |
Type | Description |
---|---|
IsEmpty | Determine if the field is empty. |
Equals | Determine if the field is equal to the given value. |
StartsWith | Determine if the field starts with the given value. |
EndsWith | Determine if the field ends with the given value. |
Contains | Determine if the field contains the given value. |
Regx | Determine if the field satisfies the given regular expression. |
IsTrue | Determine if the field is true (contains the string "true"). |
IsFalse | Determine if the field is true (contains the string "false"). |
EqualsAny | Determine if the field is equal any of the given values. |
GreaterThan | Determine if the field is greater than the given float value. |
GreaterThanOrEqual | Determine if the field is greater or equal to the given float value. |
LessThan | Determine if the field is less than the given float value. |
LessThanOrEqual | Determine if the field is less or equal to the given float value. |
Custom | Determine if the field satisfies a custom function against the given value. |
Please read CONTRIBUTING.md for details on our code of conduct, and the process for submitting pull requests to us.
Managed automatically by Elm version rules.
- Olivier Huin - Initial work - olih
See also the list of contributors who participated in this project.
This project is licensed under the BSD 3-Clause License - see the LICENSE.md file for details