trouble-in-terror-town/node_modules/yaml/browser/dist/compose/compose-scalar.js
Mikolaj 2bbacbea09 did some more work on networking and removed EOS in favor of LRM
did some more work on networking and removed EOS in favor of Light Reflective Mirror
2022-05-31 15:04:31 +02:00

80 lines
3.1 KiB
JavaScript

import { SCALAR, isScalar } from '../nodes/Node.js';
import { Scalar } from '../nodes/Scalar.js';
import { resolveBlockScalar } from './resolve-block-scalar.js';
import { resolveFlowScalar } from './resolve-flow-scalar.js';
function composeScalar(ctx, token, tagToken, onError) {
const { value, type, comment, range } = token.type === 'block-scalar'
? resolveBlockScalar(token, ctx.options.strict, onError)
: resolveFlowScalar(token, ctx.options.strict, onError);
const tagName = tagToken
? ctx.directives.tagName(tagToken.source, msg => onError(tagToken, 'TAG_RESOLVE_FAILED', msg))
: null;
const tag = tagToken && tagName
? findScalarTagByName(ctx.schema, value, tagName, tagToken, onError)
: token.type === 'scalar'
? findScalarTagByTest(ctx, value, token, onError)
: ctx.schema[SCALAR];
let scalar;
try {
const res = tag.resolve(value, msg => onError(tagToken ?? token, 'TAG_RESOLVE_FAILED', msg), ctx.options);
scalar = isScalar(res) ? res : new Scalar(res);
}
catch (error) {
const msg = error instanceof Error ? error.message : String(error);
onError(tagToken ?? token, 'TAG_RESOLVE_FAILED', msg);
scalar = new Scalar(value);
}
scalar.range = range;
scalar.source = value;
if (type)
scalar.type = type;
if (tagName)
scalar.tag = tagName;
if (tag.format)
scalar.format = tag.format;
if (comment)
scalar.comment = comment;
return scalar;
}
function findScalarTagByName(schema, value, tagName, tagToken, onError) {
if (tagName === '!')
return schema[SCALAR]; // non-specific tag
const matchWithTest = [];
for (const tag of schema.tags) {
if (!tag.collection && tag.tag === tagName) {
if (tag.default && tag.test)
matchWithTest.push(tag);
else
return tag;
}
}
for (const tag of matchWithTest)
if (tag.test?.test(value))
return tag;
const kt = schema.knownTags[tagName];
if (kt && !kt.collection) {
// Ensure that the known tag is available for stringifying,
// but does not get used by default.
schema.tags.push(Object.assign({}, kt, { default: false, test: undefined }));
return kt;
}
onError(tagToken, 'TAG_RESOLVE_FAILED', `Unresolved tag: ${tagName}`, tagName !== 'tag:yaml.org,2002:str');
return schema[SCALAR];
}
function findScalarTagByTest({ directives, schema }, value, token, onError) {
const tag = schema.tags.find(tag => tag.default && tag.test?.test(value)) || schema[SCALAR];
if (schema.compat) {
const compat = schema.compat.find(tag => tag.default && tag.test?.test(value)) ??
schema[SCALAR];
if (tag.tag !== compat.tag) {
const ts = directives.tagString(tag.tag);
const cs = directives.tagString(compat.tag);
const msg = `Value may be parsed as either ${ts} or ${cs}`;
onError(token, 'TAG_RESOLVE_FAILED', msg, true);
}
}
return tag;
}
export { composeScalar };