query 1.3.0

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Search query parser to implement customized search. Supports boolean groups, field scopes, ranges, comparisons...

Search query parser library #

The library helps to parse search queries (e.g. custom search boxes) and enables custom search index implementations.

Supported expressions:

  • (Implicit) boolean AND: a AND b or a b
  • boolean OR: a OR b OR c
  • boolean NOT: -a or NOT a
  • group query: (a b) OR (c d)
  • text match: abc or "words in close proximity"
  • range query: [1 TO 20] (inclusive), ]aaa TO dzz[ (exclusive), or [1 TO 20[ (mixed)
  • scopes: field:(a b) or field:abc
  • field comparison: year < 2000

Usage #

A simple usage example:

import 'package:query/query.dart';

main() {
  final q = parseQuery('some text OR field:another');
  // prints "(some (text OR field:another))"
  print(q);
}
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Publisher

agilord.com

Search query parser to implement customized search. Supports boolean groups, field scopes, ranges, comparisons...

Repository (GitHub)
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Documentation

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License

BSD (LICENSE)

Dependencies

petitparser

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