| 1 | export interface Specifier {
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| 2 | rootName?: string;
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| 3 | collection?: string;
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| 4 | namespace?: string;
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| 5 | name?: string;
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| 6 | type?: string;
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| 7 | }
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| 8 |
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| 9 | export function isSpecifierStringAbsolute(specifier: string): boolean {
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| 10 | let split = specifier.split(':');
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| 11 | let type = split[0];
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| 12 | let path = split[1];
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| 13 | return !!(type && path && path.indexOf('/') === 0 && path.split('/').length > 3);
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| 14 | }
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| 15 |
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| 16 | export function isSpecifierObjectAbsolute(specifier: Specifier): boolean {
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| 17 | return specifier.rootName !== undefined &&
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| 18 | specifier.collection !== undefined &&
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| 19 | specifier.name !== undefined &&
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| 20 | specifier.type !== undefined;
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| 21 | }
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| 22 |
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| 23 | export function serializeSpecifier(specifier: Specifier): string {
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| 24 | let type = specifier.type;
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| 25 | let path = serializeSpecifierPath(specifier);
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| 26 |
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| 27 | if (path) {
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| 28 | return type + ':' + path;
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| 29 | } else {
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| 30 | return type;
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| 31 | }
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| 32 | }
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| 33 |
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| 34 | export function serializeSpecifierPath(specifier: Specifier): string {
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| 35 | let path = [];
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| 36 | if (specifier.rootName) {
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| 37 | path.push(specifier.rootName);
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| 38 | }
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| 39 | if (specifier.collection) {
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| 40 | path.push(specifier.collection);
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| 41 | }
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| 42 | if (specifier.namespace) {
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| 43 | path.push(specifier.namespace);
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| 44 | }
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| 45 | if (specifier.name) {
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| 46 | path.push(specifier.name);
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| 47 | }
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| 48 |
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| 49 | if (path.length > 0) {
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| 50 | let fullPath = path.join('/');
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| 51 | if (isSpecifierObjectAbsolute(specifier)) {
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| 52 | fullPath = '/' + fullPath;
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| 53 | }
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| 54 | return fullPath;
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| 55 | }
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| 56 | }
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| 57 |
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| 58 | export function deserializeSpecifier(specifier: string): Specifier {
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| 59 | let obj: Specifier = {};
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| 60 |
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| 61 | if (specifier.indexOf(':') > -1) {
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| 62 | let split = specifier.split(':');
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| 63 | let type = split[0];
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| 64 | let path = split[1];
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| 65 | obj.type = type;
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| 66 |
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| 67 | let pathSegments;
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| 68 |
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| 69 | if (path.indexOf('/') === 0) {
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| 70 | pathSegments = path.substr(1).split('/');
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| 71 | if (path.substr(1).startsWith('@')) {
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| 72 | obj.rootName = pathSegments.shift() + '/' + pathSegments.shift();
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| 73 | } else {
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| 74 | obj.rootName = pathSegments.shift();
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| 75 | }
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| 76 | obj.collection = pathSegments.shift();
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| 77 | } else {
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| 78 | pathSegments = path.split('/');
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| 79 | }
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| 80 |
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| 81 | if (pathSegments.length > 0) {
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| 82 | obj.name = pathSegments.pop();
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| 83 |
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| 84 | if (pathSegments.length > 0) {
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| 85 | obj.namespace = pathSegments.join('/');
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| 86 | }
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| 87 | }
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| 88 |
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| 89 | } else {
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| 90 | obj.type = specifier;
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| 91 | }
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| 92 |
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| 93 | return obj;
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| 94 | }
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