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query_language/grammar.js
| // Copyright (C) 2019-2021 The Software Heritage developers | // Copyright (C) 2019-2021 The Software Heritage developers | ||||
| // See the AUTHORS file at the top-level directory of this distribution | // See the AUTHORS file at the top-level directory of this distribution | ||||
| // License: GNU General Public License version 3, or any later version | // License: GNU General Public License version 3, or any later version | ||||
| // See top-level LICENSE file for more information | // See top-level LICENSE file for more information | ||||
| const PRECEDENCE = { | const PRECEDENCE = { | ||||
| or: 2, | or: 2, | ||||
| and: 3, | and: 3, | ||||
| bracket: 4, | bracket: 4, | ||||
| } | } | ||||
| module.exports = grammar({ | module.exports = grammar({ | ||||
| name: 'swh_search_ql', | name: 'swh_search_ql', | ||||
| rules: { | rules: { | ||||
| query: $ => seq($.filters, optional($.sortBy) ,optional($.limit)), | query: $ => seq( | ||||
| $.filters, | |||||
| optional($.and), | |||||
| choice( | |||||
| seq(optional($.sortBy), optional($.and), optional($.limit)), | |||||
| seq(optional($.limit), optional($.and), optional($.sortBy)), | |||||
| ), | |||||
| ), | |||||
| filters: $ => choice( | filters: $ => choice( | ||||
| prec.left(PRECEDENCE.and, | prec.left(PRECEDENCE.and, | ||||
| seq( | seq( | ||||
| field('left', $.filters), | field('left', $.filters), | ||||
| field('operator', $.and), | field('operator', $.and), | ||||
| field('right', $.filters), | field('right', $.filters), | ||||
| ) | ) | ||||
| Show All 10 Lines | rules: { | ||||
| ), | ), | ||||
| $.filter | $.filter | ||||
| ), | ), | ||||
| sortBy: $ => seq($.sortByField, $.sortByOp, $.sortByVal), | sortBy: $ => seq($.sortByField, $.sortByOp, $.sortByVal), | ||||
| sortByField: $ => token('sort_by'), | sortByField: $ => token('sort_by'), | ||||
| sortByOp: $ => $.equalOp, | sortByOp: $ => $.equalOp, | ||||
| sortByVal: $ => createArray(optionalWrapWith($.sortByOptions, ["'", '"'])), | sortByVal: $ => createArray(optionalWrapWith($.sortByOptions, ["'", '"'])), | ||||
| sortByOptions: $ => seq(optional(token.immediate('-')) ,choice( | sortByOptions: $ => seq(optional(token.immediate('-')), choice( | ||||
| 'visits', | 'visits', | ||||
| 'last_visit', | 'last_visit', | ||||
| 'last_eventful_visit', | 'last_eventful_visit', | ||||
| 'last_revision', | 'last_revision', | ||||
| 'last_release', | 'last_release', | ||||
| 'created', | 'created', | ||||
| 'modified', | 'modified', | ||||
| 'published' | 'published' | ||||
| ▲ Show 20 Lines • Show All 46 Lines • ▼ Show 20 Lines | rules: { | ||||
| "tar" | "tar" | ||||
| ), // TODO: fetch this list dynamically from other swh services? | ), // TODO: fetch this list dynamically from other swh services? | ||||
| sortBy: $ => seq($.sortByField, $.sortByOp, $.sortByVal), | sortBy: $ => seq($.sortByField, $.sortByOp, $.sortByVal), | ||||
| sortByField: $ => token(choice('sort_by')), | sortByField: $ => token(choice('sort_by')), | ||||
| sortByOp: $ => $.equalOp, | sortByOp: $ => $.equalOp, | ||||
| sortByVal: $ => createArray(optionalWrapWith($.sortByOptions, ["'", '"'])), | sortByVal: $ => createArray(optionalWrapWith($.sortByOptions, ["'", '"'])), | ||||
| sortByOptions: $ => seq( | sortByOptions: $ => seq( | ||||
| optional(token.immediate('-')), | optional('-'), | ||||
| choice( | choice( | ||||
| 'visits', | 'visits', | ||||
| 'last_visit', | 'last_visit', | ||||
| 'last_eventful_visit', | 'last_eventful_visit', | ||||
| 'last_revision', | 'last_revision', | ||||
| 'last_release', | 'last_release', | ||||
| 'created', | 'created', | ||||
| 'modified', | 'modified', | ||||
| 'published' | 'published' | ||||
| )), | ) | ||||
| ), | |||||
| unboundedListFilter: $ => seq($.listField, $.listOp, $.listVal), | unboundedListFilter: $ => seq($.listField, $.listOp, $.listVal), | ||||
| listField: $ => token(choice('language', 'license', 'keyword')), | listField: $ => token(choice('language', 'license', 'keyword')), | ||||
| listOp: $ => $.choiceOp, | listOp: $ => $.choiceOp, | ||||
| listVal: $ => createArray($.string), | listVal: $ => createArray($.string), | ||||
| dateFilter: $ => seq($.dateField, $.dateOp, $.dateVal), | dateFilter: $ => seq($.dateField, $.dateOp, $.dateVal), | ||||
| Show All 11 Lines | rules: { | ||||
| limit: $ => seq('limit', $.equalOp, $.number), | limit: $ => seq('limit', $.equalOp, $.number), | ||||
| rangeOp: $ => token(choice('<', '<=', '=', '!=', '>=', '>')), | rangeOp: $ => token(choice('<', '<=', '=', '!=', '>=', '>')), | ||||
| equalOp: $ => token('='), | equalOp: $ => token('='), | ||||
| choiceOp: $ => token(choice('in', 'not in')), | choiceOp: $ => token(choice('in', 'not in')), | ||||
| isoDateTime: $ => /\d{4}[-]\d{2}[-]\d{2}(\s|T)*(\d{2}:\d{2}(:\d{2})?)?(Z)?/, | isoDateTime: $ => { | ||||
| const dateRegex = (/\d{4}[-]\d{2}[-]\d{2}/).source | |||||
| const dateTimeSepRegex = (/(\s|T)*/).source | |||||
| const timeRegex = (/(\d{2}:\d{2}(:\d{2}(\.\d{6})?)?)?/).source | |||||
| const timezoneRegex = (/(\+\d{2}:\d{2}|Z)?/).source | |||||
| return new RegExp(dateRegex + dateTimeSepRegex + timeRegex + timezoneRegex) | |||||
| }, | |||||
| string: $ => choice(wrapWith($.stringContent, ["'", '"']), $.singleWord), | string: $ => choice(wrapWith($.stringContent, ["'", '"']), $.singleWord), | ||||
| number: $ => /\d+/, | number: $ => /\d+/, | ||||
| booleanTrue: $ => "true", | booleanTrue: $ => "true", | ||||
| booleanFalse: $ => "false", | booleanFalse: $ => "false", | ||||
| or: $ => "or", | or: $ => "or", | ||||
| and: $ => "and", | and: $ => "and", | ||||
| stringContent: $ => repeat1(choice( | stringContent: $ => repeat1(choice( | ||||
| token.immediate(/[^\\"\n]+/), | token.immediate(/[^\\'"\n]+/), | ||||
| $.escape_sequence | $.escape_sequence | ||||
| )), | )), | ||||
| singleWord: $ => /[^\s"'\[\]\(\),]+/, | singleWord: $ => /[^\s"'\[\]\(\),]+/, | ||||
| escape_sequence: $ => token.immediate(seq( | escape_sequence: $ => token.immediate(seq( | ||||
| '\\', | '\\', | ||||
| /(\"|\'|\\|\/|b|n|r|t|u)/ | /(\"|\'|\\|\/|b|n|r|t|u)/ | ||||
| )), | )), | ||||
| Show All 36 Lines | |||||