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
114 lines
2.8 KiB
JavaScript
114 lines
2.8 KiB
JavaScript
import { Token, Type } from './token.js'
|
|
import * as uint from './0uint.js'
|
|
import { decodeErrPrefix } from './common.js'
|
|
|
|
/**
|
|
* @typedef {import('./bl.js').Bl} Bl
|
|
* @typedef {import('../interface').DecodeOptions} DecodeOptions
|
|
*/
|
|
|
|
/**
|
|
* @param {Uint8Array} _data
|
|
* @param {number} _pos
|
|
* @param {number} prefix
|
|
* @param {number} length
|
|
* @returns {Token}
|
|
*/
|
|
function toToken (_data, _pos, prefix, length) {
|
|
return new Token(Type.array, length, prefix)
|
|
}
|
|
|
|
/**
|
|
* @param {Uint8Array} data
|
|
* @param {number} pos
|
|
* @param {number} minor
|
|
* @param {DecodeOptions} _options
|
|
* @returns {Token}
|
|
*/
|
|
export function decodeArrayCompact (data, pos, minor, _options) {
|
|
return toToken(data, pos, 1, minor)
|
|
}
|
|
|
|
/**
|
|
* @param {Uint8Array} data
|
|
* @param {number} pos
|
|
* @param {number} _minor
|
|
* @param {DecodeOptions} options
|
|
* @returns {Token}
|
|
*/
|
|
export function decodeArray8 (data, pos, _minor, options) {
|
|
return toToken(data, pos, 2, uint.readUint8(data, pos + 1, options))
|
|
}
|
|
|
|
/**
|
|
* @param {Uint8Array} data
|
|
* @param {number} pos
|
|
* @param {number} _minor
|
|
* @param {DecodeOptions} options
|
|
* @returns {Token}
|
|
*/
|
|
export function decodeArray16 (data, pos, _minor, options) {
|
|
return toToken(data, pos, 3, uint.readUint16(data, pos + 1, options))
|
|
}
|
|
|
|
/**
|
|
* @param {Uint8Array} data
|
|
* @param {number} pos
|
|
* @param {number} _minor
|
|
* @param {DecodeOptions} options
|
|
* @returns {Token}
|
|
*/
|
|
export function decodeArray32 (data, pos, _minor, options) {
|
|
return toToken(data, pos, 5, uint.readUint32(data, pos + 1, options))
|
|
}
|
|
|
|
// TODO: maybe we shouldn't support this ..
|
|
/**
|
|
* @param {Uint8Array} data
|
|
* @param {number} pos
|
|
* @param {number} _minor
|
|
* @param {DecodeOptions} options
|
|
* @returns {Token}
|
|
*/
|
|
export function decodeArray64 (data, pos, _minor, options) {
|
|
const l = uint.readUint64(data, pos + 1, options)
|
|
if (typeof l === 'bigint') {
|
|
throw new Error(`${decodeErrPrefix} 64-bit integer array lengths not supported`)
|
|
}
|
|
return toToken(data, pos, 9, l)
|
|
}
|
|
|
|
/**
|
|
* @param {Uint8Array} data
|
|
* @param {number} pos
|
|
* @param {number} _minor
|
|
* @param {DecodeOptions} options
|
|
* @returns {Token}
|
|
*/
|
|
export function decodeArrayIndefinite (data, pos, _minor, options) {
|
|
if (options.allowIndefinite === false) {
|
|
throw new Error(`${decodeErrPrefix} indefinite length items not allowed`)
|
|
}
|
|
return toToken(data, pos, 1, Infinity)
|
|
}
|
|
|
|
/**
|
|
* @param {Bl} buf
|
|
* @param {Token} token
|
|
*/
|
|
export function encodeArray (buf, token) {
|
|
uint.encodeUintValue(buf, Type.array.majorEncoded, token.value)
|
|
}
|
|
|
|
// using an array as a map key, are you sure about this? we can only sort
|
|
// by map length here, it's up to the encoder to decide to look deeper
|
|
encodeArray.compareTokens = uint.encodeUint.compareTokens
|
|
|
|
/**
|
|
* @param {Token} token
|
|
* @returns {number}
|
|
*/
|
|
encodeArray.encodedSize = function encodedSize (token) {
|
|
return uint.encodeUintValue.encodedSize(token.value)
|
|
}
|