| 1 | 'use strict';
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| 2 |
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| 3 | var identity = require('../nodes/identity.js');
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| 4 | var Scalar = require('../nodes/Scalar.js');
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| 5 | var resolveBlockScalar = require('./resolve-block-scalar.js');
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| 6 | var resolveFlowScalar = require('./resolve-flow-scalar.js');
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| 7 |
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| 8 | function composeScalar(ctx, token, tagToken, onError) {
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| 9 | const { value, type, comment, range } = token.type === 'block-scalar'
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| 10 | ? resolveBlockScalar.resolveBlockScalar(token, ctx.options.strict, onError)
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| 11 | : resolveFlowScalar.resolveFlowScalar(token, ctx.options.strict, onError);
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| 12 | const tagName = tagToken
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| 13 | ? ctx.directives.tagName(tagToken.source, msg => onError(tagToken, 'TAG_RESOLVE_FAILED', msg))
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| 14 | : null;
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| 15 | const tag = tagToken && tagName
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| 16 | ? findScalarTagByName(ctx.schema, value, tagName, tagToken, onError)
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| 17 | : token.type === 'scalar'
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| 18 | ? findScalarTagByTest(ctx, value, token, onError)
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| 19 | : ctx.schema[identity.SCALAR];
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| 20 | let scalar;
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| 21 | try {
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| 22 | const res = tag.resolve(value, msg => onError(tagToken ?? token, 'TAG_RESOLVE_FAILED', msg), ctx.options);
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| 23 | scalar = identity.isScalar(res) ? res : new Scalar.Scalar(res);
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| 24 | }
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| 25 | catch (error) {
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| 26 | const msg = error instanceof Error ? error.message : String(error);
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| 27 | onError(tagToken ?? token, 'TAG_RESOLVE_FAILED', msg);
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| 28 | scalar = new Scalar.Scalar(value);
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| 29 | }
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| 30 | scalar.range = range;
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| 31 | scalar.source = value;
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| 32 | if (type)
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| 33 | scalar.type = type;
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| 34 | if (tagName)
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| 35 | scalar.tag = tagName;
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| 36 | if (tag.format)
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| 37 | scalar.format = tag.format;
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| 38 | if (comment)
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| 39 | scalar.comment = comment;
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| 40 | return scalar;
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| 41 | }
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| 42 | function findScalarTagByName(schema, value, tagName, tagToken, onError) {
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| 43 | if (tagName === '!')
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| 44 | return schema[identity.SCALAR]; // non-specific tag
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| 45 | const matchWithTest = [];
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| 46 | for (const tag of schema.tags) {
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| 47 | if (!tag.collection && tag.tag === tagName) {
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| 48 | if (tag.default && tag.test)
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| 49 | matchWithTest.push(tag);
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| 50 | else
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| 51 | return tag;
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| 52 | }
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| 53 | }
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| 54 | for (const tag of matchWithTest)
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| 55 | if (tag.test?.test(value))
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| 56 | return tag;
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| 57 | const kt = schema.knownTags[tagName];
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| 58 | if (kt && !kt.collection) {
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| 59 | // Ensure that the known tag is available for stringifying,
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| 60 | // but does not get used by default.
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| 61 | schema.tags.push(Object.assign({}, kt, { default: false, test: undefined }));
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| 62 | return kt;
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| 63 | }
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| 64 | onError(tagToken, 'TAG_RESOLVE_FAILED', `Unresolved tag: ${tagName}`, tagName !== 'tag:yaml.org,2002:str');
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| 65 | return schema[identity.SCALAR];
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| 66 | }
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| 67 | function findScalarTagByTest({ directives, schema }, value, token, onError) {
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| 68 | const tag = schema.tags.find(tag => tag.default && tag.test?.test(value)) || schema[identity.SCALAR];
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| 69 | if (schema.compat) {
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| 70 | const compat = schema.compat.find(tag => tag.default && tag.test?.test(value)) ??
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| 71 | schema[identity.SCALAR];
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| 72 | if (tag.tag !== compat.tag) {
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| 73 | const ts = directives.tagString(tag.tag);
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| 74 | const cs = directives.tagString(compat.tag);
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| 75 | const msg = `Value may be parsed as either ${ts} or ${cs}`;
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| 76 | onError(token, 'TAG_RESOLVE_FAILED', msg, true);
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| 77 | }
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| 78 | }
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| 79 | return tag;
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| 80 | }
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| 81 |
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| 82 | exports.composeScalar = composeScalar;
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