@swaggerexpert/json-pointer
Version:
RCF 6901 implementation of JSON Pointer
253 lines (241 loc) • 5.56 kB
JavaScript
"use strict";
exports.__esModule = true;
exports.default = grammar;
// copyright: Copyright (c) 2024 Lowell D. Thomas, all rights reserved<br>
// license: BSD-2-Clause (https://opensource.org/licenses/BSD-2-Clause)<br>
//
// Generated by apg-js, Version 4.4.0 [apg-js](https://github.com/ldthomas/apg-js)
function grammar() {
// ```
// SUMMARY
// rules = 8
// udts = 0
// opcodes = 28
// --- ABNF original opcodes
// ALT = 5
// CAT = 3
// REP = 3
// RNM = 6
// TLS = 5
// TBS = 1
// TRG = 5
// --- SABNF superset opcodes
// UDT = 0
// AND = 0
// NOT = 0
// characters = [0 - 1114111]
// ```
/* OBJECT IDENTIFIER (for internal parser use) */
this.grammarObject = 'grammarObject';
/* RULES */
this.rules = [];
this.rules[0] = {
name: 'json-pointer',
lower: 'json-pointer',
index: 0,
isBkr: false
};
this.rules[1] = {
name: 'reference-token',
lower: 'reference-token',
index: 1,
isBkr: false
};
this.rules[2] = {
name: 'unescaped',
lower: 'unescaped',
index: 2,
isBkr: false
};
this.rules[3] = {
name: 'escaped',
lower: 'escaped',
index: 3,
isBkr: false
};
this.rules[4] = {
name: 'array-location',
lower: 'array-location',
index: 4,
isBkr: false
};
this.rules[5] = {
name: 'array-index',
lower: 'array-index',
index: 5,
isBkr: false
};
this.rules[6] = {
name: 'array-dash',
lower: 'array-dash',
index: 6,
isBkr: false
};
this.rules[7] = {
name: 'slash',
lower: 'slash',
index: 7,
isBkr: false
};
/* UDTS */
this.udts = [];
/* OPCODES */
/* json-pointer */
this.rules[0].opcodes = [];
this.rules[0].opcodes[0] = {
type: 3,
min: 0,
max: Infinity
}; // REP
this.rules[0].opcodes[1] = {
type: 2,
children: [2, 3]
}; // CAT
this.rules[0].opcodes[2] = {
type: 4,
index: 7
}; // RNM(slash)
this.rules[0].opcodes[3] = {
type: 4,
index: 1
}; // RNM(reference-token)
/* reference-token */
this.rules[1].opcodes = [];
this.rules[1].opcodes[0] = {
type: 3,
min: 0,
max: Infinity
}; // REP
this.rules[1].opcodes[1] = {
type: 1,
children: [2, 3]
}; // ALT
this.rules[1].opcodes[2] = {
type: 4,
index: 2
}; // RNM(unescaped)
this.rules[1].opcodes[3] = {
type: 4,
index: 3
}; // RNM(escaped)
/* unescaped */
this.rules[2].opcodes = [];
this.rules[2].opcodes[0] = {
type: 1,
children: [1, 2, 3]
}; // ALT
this.rules[2].opcodes[1] = {
type: 5,
min: 0,
max: 46
}; // TRG
this.rules[2].opcodes[2] = {
type: 5,
min: 48,
max: 125
}; // TRG
this.rules[2].opcodes[3] = {
type: 5,
min: 127,
max: 1114111
}; // TRG
/* escaped */
this.rules[3].opcodes = [];
this.rules[3].opcodes[0] = {
type: 2,
children: [1, 2]
}; // CAT
this.rules[3].opcodes[1] = {
type: 7,
string: [126]
}; // TLS
this.rules[3].opcodes[2] = {
type: 1,
children: [3, 4]
}; // ALT
this.rules[3].opcodes[3] = {
type: 7,
string: [48]
}; // TLS
this.rules[3].opcodes[4] = {
type: 7,
string: [49]
}; // TLS
/* array-location */
this.rules[4].opcodes = [];
this.rules[4].opcodes[0] = {
type: 1,
children: [1, 2]
}; // ALT
this.rules[4].opcodes[1] = {
type: 4,
index: 5
}; // RNM(array-index)
this.rules[4].opcodes[2] = {
type: 4,
index: 6
}; // RNM(array-dash)
/* array-index */
this.rules[5].opcodes = [];
this.rules[5].opcodes[0] = {
type: 1,
children: [1, 2]
}; // ALT
this.rules[5].opcodes[1] = {
type: 6,
string: [48]
}; // TBS
this.rules[5].opcodes[2] = {
type: 2,
children: [3, 4]
}; // CAT
this.rules[5].opcodes[3] = {
type: 5,
min: 49,
max: 57
}; // TRG
this.rules[5].opcodes[4] = {
type: 3,
min: 0,
max: Infinity
}; // REP
this.rules[5].opcodes[5] = {
type: 5,
min: 48,
max: 57
}; // TRG
/* array-dash */
this.rules[6].opcodes = [];
this.rules[6].opcodes[0] = {
type: 7,
string: [45]
}; // TLS
/* slash */
this.rules[7].opcodes = [];
this.rules[7].opcodes[0] = {
type: 7,
string: [47]
}; // TLS
// The `toString()` function will display the original grammar file(s) that produced these opcodes.
this.toString = function toString() {
let str = "";
str += "; JavaScript Object Notation (JSON) Pointer ABNF syntax\n";
str += "; https://datatracker.ietf.org/doc/html/rfc6901\n";
str += "json-pointer = *( slash reference-token ) ; MODIFICATION: surrogate text rule used\n";
str += "reference-token = *( unescaped / escaped )\n";
str += "unescaped = %x00-2E / %x30-7D / %x7F-10FFFF\n";
str += " ; %x2F ('/') and %x7E ('~') are excluded from 'unescaped'\n";
str += "escaped = \"~\" ( \"0\" / \"1\" )\n";
str += " ; representing '~' and '/', respectively\n";
str += "\n";
str += "; https://datatracker.ietf.org/doc/html/rfc6901#section-4\n";
str += "array-location = array-index / array-dash\n";
str += "array-index = %x30 / ( %x31-39 *(%x30-39) )\n";
str += " ; \"0\", or digits without a leading \"0\"\n";
str += "array-dash = \"-\"\n";
str += "\n";
str += "; Surrogate named rules\n";
str += "slash = \"/\"\n";
return str;
};
}