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Текущая директория: /usr/lib/node_modules/bitgo/node_modules/@solana/codecs-strings/dist
Просмотр файла: index.node.mjs
import { SolanaError, SOLANA_ERROR__CODECS__INVALID_STRING_FOR_BASE } from '@solana/errors';
import { createEncoder, createDecoder, combineCodec } from '@solana/codecs-core';
// src/assertions.ts
function assertValidBaseString(alphabet4, testValue, givenValue = testValue) {
if (!testValue.match(new RegExp(`^[${alphabet4}]*$`))) {
throw new SolanaError(SOLANA_ERROR__CODECS__INVALID_STRING_FOR_BASE, {
alphabet: alphabet4,
base: alphabet4.length,
value: givenValue
});
}
}
var getBaseXEncoder = (alphabet4) => {
return createEncoder({
getSizeFromValue: (value) => {
const [leadingZeroes, tailChars] = partitionLeadingZeroes(value, alphabet4[0]);
if (!tailChars) return value.length;
const base10Number = getBigIntFromBaseX(tailChars, alphabet4);
return leadingZeroes.length + Math.ceil(base10Number.toString(16).length / 2);
},
write(value, bytes, offset) {
assertValidBaseString(alphabet4, value);
if (value === "") return offset;
const [leadingZeroes, tailChars] = partitionLeadingZeroes(value, alphabet4[0]);
if (!tailChars) {
bytes.set(new Uint8Array(leadingZeroes.length).fill(0), offset);
return offset + leadingZeroes.length;
}
let base10Number = getBigIntFromBaseX(tailChars, alphabet4);
const tailBytes = [];
while (base10Number > 0n) {
tailBytes.unshift(Number(base10Number % 256n));
base10Number /= 256n;
}
const bytesToAdd = [...Array(leadingZeroes.length).fill(0), ...tailBytes];
bytes.set(bytesToAdd, offset);
return offset + bytesToAdd.length;
}
});
};
var getBaseXDecoder = (alphabet4) => {
return createDecoder({
read(rawBytes, offset) {
const bytes = offset === 0 ? rawBytes : rawBytes.slice(offset);
if (bytes.length === 0) return ["", 0];
let trailIndex = bytes.findIndex((n) => n !== 0);
trailIndex = trailIndex === -1 ? bytes.length : trailIndex;
const leadingZeroes = alphabet4[0].repeat(trailIndex);
if (trailIndex === bytes.length) return [leadingZeroes, rawBytes.length];
const base10Number = bytes.slice(trailIndex).reduce((sum, byte) => sum * 256n + BigInt(byte), 0n);
const tailChars = getBaseXFromBigInt(base10Number, alphabet4);
return [leadingZeroes + tailChars, rawBytes.length];
}
});
};
var getBaseXCodec = (alphabet4) => combineCodec(getBaseXEncoder(alphabet4), getBaseXDecoder(alphabet4));
function partitionLeadingZeroes(value, zeroCharacter) {
const [leadingZeros, tailChars] = value.split(new RegExp(`((?!${zeroCharacter}).*)`));
return [leadingZeros, tailChars];
}
function getBigIntFromBaseX(value, alphabet4) {
const base = BigInt(alphabet4.length);
let sum = 0n;
for (const char of value) {
sum *= base;
sum += BigInt(alphabet4.indexOf(char));
}
return sum;
}
function getBaseXFromBigInt(value, alphabet4) {
const base = BigInt(alphabet4.length);
const tailChars = [];
while (value > 0n) {
tailChars.unshift(alphabet4[Number(value % base)]);
value /= base;
}
return tailChars.join("");
}
// src/base10.ts
var alphabet = "0123456789";
var getBase10Encoder = () => getBaseXEncoder(alphabet);
var getBase10Decoder = () => getBaseXDecoder(alphabet);
var getBase10Codec = () => getBaseXCodec(alphabet);
var INVALID_STRING_ERROR_BASE_CONFIG = {
alphabet: "0123456789abcdef",
base: 16
};
function charCodeToBase16(char) {
if (char >= 48 /* ZERO */ && char <= 57 /* NINE */) return char - 48 /* ZERO */;
if (char >= 65 /* A_UP */ && char <= 70 /* F_UP */) return char - (65 /* A_UP */ - 10);
if (char >= 97 /* A_LO */ && char <= 102 /* F_LO */) return char - (97 /* A_LO */ - 10);
}
var getBase16Encoder = () => createEncoder({
getSizeFromValue: (value) => Math.ceil(value.length / 2),
write(value, bytes, offset) {
const len = value.length;
const al = len / 2;
if (len === 1) {
const c = value.charCodeAt(0);
const n = charCodeToBase16(c);
if (n === void 0) {
throw new SolanaError(SOLANA_ERROR__CODECS__INVALID_STRING_FOR_BASE, {
...INVALID_STRING_ERROR_BASE_CONFIG,
value
});
}
bytes.set([n], offset);
return 1 + offset;
}
const hexBytes = new Uint8Array(al);
for (let i = 0, j = 0; i < al; i++) {
const c1 = value.charCodeAt(j++);
const c2 = value.charCodeAt(j++);
const n1 = charCodeToBase16(c1);
const n2 = charCodeToBase16(c2);
if (n1 === void 0 || n2 === void 0 && !Number.isNaN(c2)) {
throw new SolanaError(SOLANA_ERROR__CODECS__INVALID_STRING_FOR_BASE, {
...INVALID_STRING_ERROR_BASE_CONFIG,
value
});
}
hexBytes[i] = !Number.isNaN(c2) ? n1 << 4 | (n2 ?? 0) : n1;
}
bytes.set(hexBytes, offset);
return hexBytes.length + offset;
}
});
var getBase16Decoder = () => createDecoder({
read(bytes, offset) {
const value = bytes.slice(offset).reduce((str, byte) => str + byte.toString(16).padStart(2, "0"), "");
return [value, bytes.length];
}
});
var getBase16Codec = () => combineCodec(getBase16Encoder(), getBase16Decoder());
// src/base58.ts
var alphabet2 = "123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz";
var getBase58Encoder = () => getBaseXEncoder(alphabet2);
var getBase58Decoder = () => getBaseXDecoder(alphabet2);
var getBase58Codec = () => getBaseXCodec(alphabet2);
var getBaseXResliceEncoder = (alphabet4, bits) => createEncoder({
getSizeFromValue: (value) => Math.floor(value.length * bits / 8),
write(value, bytes, offset) {
assertValidBaseString(alphabet4, value);
if (value === "") return offset;
const charIndices = [...value].map((c) => alphabet4.indexOf(c));
const reslicedBytes = reslice(charIndices, bits, 8, false);
bytes.set(reslicedBytes, offset);
return reslicedBytes.length + offset;
}
});
var getBaseXResliceDecoder = (alphabet4, bits) => createDecoder({
read(rawBytes, offset = 0) {
const bytes = offset === 0 ? rawBytes : rawBytes.slice(offset);
if (bytes.length === 0) return ["", rawBytes.length];
const charIndices = reslice([...bytes], 8, bits, true);
return [charIndices.map((i) => alphabet4[i]).join(""), rawBytes.length];
}
});
var getBaseXResliceCodec = (alphabet4, bits) => combineCodec(getBaseXResliceEncoder(alphabet4, bits), getBaseXResliceDecoder(alphabet4, bits));
function reslice(input, inputBits, outputBits, useRemainder) {
const output = [];
let accumulator = 0;
let bitsInAccumulator = 0;
const mask = (1 << outputBits) - 1;
for (const value of input) {
accumulator = accumulator << inputBits | value;
bitsInAccumulator += inputBits;
while (bitsInAccumulator >= outputBits) {
bitsInAccumulator -= outputBits;
output.push(accumulator >> bitsInAccumulator & mask);
}
}
if (useRemainder && bitsInAccumulator > 0) {
output.push(accumulator << outputBits - bitsInAccumulator & mask);
}
return output;
}
// src/base64.ts
var alphabet3 = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
var getBase64Encoder = () => {
{
return createEncoder({
getSizeFromValue: (value) => Buffer.from(value, "base64").length,
write(value, bytes, offset) {
assertValidBaseString(alphabet3, value.replace(/=/g, ""));
const buffer = Buffer.from(value, "base64");
bytes.set(buffer, offset);
return buffer.length + offset;
}
});
}
};
var getBase64Decoder = () => {
{
return createDecoder({
read: (bytes, offset = 0) => [Buffer.from(bytes, offset).toString("base64"), bytes.length]
});
}
};
var getBase64Codec = () => combineCodec(getBase64Encoder(), getBase64Decoder());
// src/null-characters.ts
var removeNullCharacters = (value) => (
// eslint-disable-next-line no-control-regex
value.replace(/\u0000/g, "")
);
var padNullCharacters = (value, chars) => value.padEnd(chars, "\0");
// ../text-encoding-impl/dist/index.node.mjs
var e = globalThis.TextDecoder;
var o = globalThis.TextEncoder;
// src/utf8.ts
var getUtf8Encoder = () => {
let textEncoder;
return createEncoder({
getSizeFromValue: (value) => (textEncoder ||= new o()).encode(value).length,
write: (value, bytes, offset) => {
const bytesToAdd = (textEncoder ||= new o()).encode(value);
bytes.set(bytesToAdd, offset);
return offset + bytesToAdd.length;
}
});
};
var getUtf8Decoder = () => {
let textDecoder;
return createDecoder({
read(bytes, offset) {
const value = (textDecoder ||= new e()).decode(bytes.slice(offset));
return [removeNullCharacters(value), bytes.length];
}
});
};
var getUtf8Codec = () => combineCodec(getUtf8Encoder(), getUtf8Decoder());
export { assertValidBaseString, getBase10Codec, getBase10Decoder, getBase10Encoder, getBase16Codec, getBase16Decoder, getBase16Encoder, getBase58Codec, getBase58Decoder, getBase58Encoder, getBase64Codec, getBase64Decoder, getBase64Encoder, getBaseXCodec, getBaseXDecoder, getBaseXEncoder, getBaseXResliceCodec, getBaseXResliceDecoder, getBaseXResliceEncoder, getUtf8Codec, getUtf8Decoder, getUtf8Encoder, padNullCharacters, removeNullCharacters };
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