0d073fa89e
- Add GETTING_STARTED.md with quick start guide and development modes - Add INSTALL.sh automated installation script - Add INSTALLATION_CHECKLIST.md, INSTALLATION_SUCCESS.md, and INSTALLATION_SUMMARY.md - Add QUICK_REFERENCE.md for common commands - Add SETUP_GUIDE.md with detailed setup instructions - Update README.md with improved project overview - Add did-wallet app dependencies and node_modules
91 lines
2.4 KiB
JavaScript
91 lines
2.4 KiB
JavaScript
import { Token, Type } from './token.js'
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import { assertEnoughData, decodeErrPrefix } from './common.js'
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import * as uint from './0uint.js'
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import { encodeBytes } from './2bytes.js'
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import { toString, slice } from './byte-utils.js'
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/**
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* @typedef {import('./bl.js').Bl} Bl
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* @typedef {import('../interface').DecodeOptions} DecodeOptions
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*/
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/**
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* @param {Uint8Array} data
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* @param {number} pos
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* @param {number} prefix
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* @param {number} length
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* @param {DecodeOptions} options
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* @returns {Token}
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*/
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function toToken (data, pos, prefix, length, options) {
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const totLength = prefix + length
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assertEnoughData(data, pos, totLength)
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const tok = new Token(Type.string, toString(data, pos + prefix, pos + totLength), totLength)
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if (options.retainStringBytes === true) {
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tok.byteValue = slice(data, pos + prefix, pos + totLength)
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}
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return tok
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}
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/**
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* @param {Uint8Array} data
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* @param {number} pos
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* @param {number} minor
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* @param {DecodeOptions} options
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* @returns {Token}
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*/
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export function decodeStringCompact (data, pos, minor, options) {
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return toToken(data, pos, 1, minor, options)
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}
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/**
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* @param {Uint8Array} data
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* @param {number} pos
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* @param {number} _minor
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* @param {DecodeOptions} options
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* @returns {Token}
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*/
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export function decodeString8 (data, pos, _minor, options) {
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return toToken(data, pos, 2, uint.readUint8(data, pos + 1, options), options)
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}
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/**
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* @param {Uint8Array} data
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* @param {number} pos
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* @param {number} _minor
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* @param {DecodeOptions} options
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* @returns {Token}
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*/
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export function decodeString16 (data, pos, _minor, options) {
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return toToken(data, pos, 3, uint.readUint16(data, pos + 1, options), options)
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}
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/**
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* @param {Uint8Array} data
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* @param {number} pos
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* @param {number} _minor
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* @param {DecodeOptions} options
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* @returns {Token}
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*/
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export function decodeString32 (data, pos, _minor, options) {
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return toToken(data, pos, 5, uint.readUint32(data, pos + 1, options), options)
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}
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// TODO: maybe we shouldn't support this ..
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/**
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* @param {Uint8Array} data
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* @param {number} pos
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* @param {number} _minor
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* @param {DecodeOptions} options
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* @returns {Token}
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*/
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export function decodeString64 (data, pos, _minor, options) {
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const l = uint.readUint64(data, pos + 1, options)
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if (typeof l === 'bigint') {
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throw new Error(`${decodeErrPrefix} 64-bit integer string lengths not supported`)
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}
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return toToken(data, pos, 9, l, options)
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}
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export const encodeString = encodeBytes
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