codekingpro/portable-devtools

1"use strict";
2var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
3    if (k2 === undefined) k2 = k;
4    var desc = Object.getOwnPropertyDescriptor(m, k);
5    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
6      desc = { enumerable: true, get: function() { return m[k]; } };
7    }
8    Object.defineProperty(o, k2, desc);
9}) : (function(o, m, k, k2) {
10    if (k2 === undefined) k2 = k;
11    o[k2] = m[k];
12}));
13var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
14    Object.defineProperty(o, "default", { enumerable: true, value: v });
15}) : function(o, v) {
16    o["default"] = v;
17});
18var __importStar = (this && this.__importStar) || function (mod) {
19    if (mod && mod.__esModule) return mod;
20    var result = {};
21    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
22    __setModuleDefault(result, mod);
23    return result;
24};
25Object.defineProperty(exports, "__esModule", { value: true });
26exports.ADDRESS_BOUNDARY = void 0;
27exports.groupPossibilities = groupPossibilities;
28exports.padGroup = padGroup;
29exports.simpleRegularExpression = simpleRegularExpression;
30exports.possibleElisions = possibleElisions;
31const v6 = __importStar(require("./constants"));
32function groupPossibilities(possibilities) {
33    return `(${possibilities.join('|')})`;
34}
35function padGroup(group) {
36    if (group.length < 4) {
37        return `0{0,${4 - group.length}}${group}`;
38    }
39    return group;
40}
41exports.ADDRESS_BOUNDARY = '[^A-Fa-f0-9:]';
42function simpleRegularExpression(groups) {
43    const zeroIndexes = [];
44    groups.forEach((group, i) => {
45        const groupInteger = parseInt(group, 16);
46        if (groupInteger === 0) {
47            zeroIndexes.push(i);
48        }
49    });
50    // You can technically elide a single 0, this creates the regular expressions
51    // to match that eventuality
52    const possibilities = zeroIndexes.map((zeroIndex) => groups
53        .map((group, i) => {
54        if (i === zeroIndex) {
55            const elision = i === 0 || i === v6.GROUPS - 1 ? ':' : '';
56            return groupPossibilities([padGroup(group), elision]);
57        }
58        return padGroup(group);
59    })
60        .join(':'));
61    // The simplest case
62    possibilities.push(groups.map(padGroup).join(':'));
63    return groupPossibilities(possibilities);
64}
65function possibleElisions(elidedGroups, moreLeft, moreRight) {
66    const left = moreLeft ? '' : ':';
67    const right = moreRight ? '' : ':';
68    const possibilities = [];
69    // 1. elision of everything (::)
70    if (!moreLeft && !moreRight) {
71        possibilities.push('::');
72    }
73    // 2. complete elision of the middle
74    if (moreLeft && moreRight) {
75        possibilities.push('');
76    }
77    if ((moreRight && !moreLeft) || (!moreRight && moreLeft)) {
78        // 3. complete elision of one side
79        possibilities.push(':');
80    }
81    // 4. elision from the left side
82    possibilities.push(`${left}(:0{1,4}){1,${elidedGroups - 1}}`);
83    // 5. elision from the right side
84    possibilities.push(`(0{1,4}:){1,${elidedGroups - 1}}${right}`);
85    // 6. no elision
86    possibilities.push(`(0{1,4}:){${elidedGroups - 1}}0{1,4}`);
87    // 7. elision (including sloppy elision) from the middle
88    for (let groups = 1; groups < elidedGroups - 1; groups++) {
89        for (let position = 1; position < elidedGroups - groups; position++) {
90            possibilities.push(`(0{1,4}:){${position}}:(0{1,4}:){${elidedGroups - position - groups - 1}}0{1,4}`);
91        }
92    }
93    return groupPossibilities(possibilities);
94}
95//# sourceMappingURL=regular-expressions.js.map