This commit is contained in:
dela
2026-02-21 18:27:49 +08:00
parent 0ac4b23f07
commit 5dc86ccfbf
270 changed files with 49508 additions and 4636 deletions

134
node_modules/msgpack-lite/lib/buffer-lite.js generated vendored Normal file
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// buffer-lite.js
var MAXBUFLEN = 8192;
exports.copy = copy;
exports.toString = toString;
exports.write = write;
/**
* Buffer.prototype.write()
*
* @param string {String}
* @param [offset] {Number}
* @returns {Number}
*/
function write(string, offset) {
var buffer = this;
var index = offset || (offset |= 0);
var length = string.length;
var chr = 0;
var i = 0;
while (i < length) {
chr = string.charCodeAt(i++);
if (chr < 128) {
buffer[index++] = chr;
} else if (chr < 0x800) {
// 2 bytes
buffer[index++] = 0xC0 | (chr >>> 6);
buffer[index++] = 0x80 | (chr & 0x3F);
} else if (chr < 0xD800 || chr > 0xDFFF) {
// 3 bytes
buffer[index++] = 0xE0 | (chr >>> 12);
buffer[index++] = 0x80 | ((chr >>> 6) & 0x3F);
buffer[index++] = 0x80 | (chr & 0x3F);
} else {
// 4 bytes - surrogate pair
chr = (((chr - 0xD800) << 10) | (string.charCodeAt(i++) - 0xDC00)) + 0x10000;
buffer[index++] = 0xF0 | (chr >>> 18);
buffer[index++] = 0x80 | ((chr >>> 12) & 0x3F);
buffer[index++] = 0x80 | ((chr >>> 6) & 0x3F);
buffer[index++] = 0x80 | (chr & 0x3F);
}
}
return index - offset;
}
/**
* Buffer.prototype.toString()
*
* @param [encoding] {String} ignored
* @param [start] {Number}
* @param [end] {Number}
* @returns {String}
*/
function toString(encoding, start, end) {
var buffer = this;
var index = start|0;
if (!end) end = buffer.length;
var string = '';
var chr = 0;
while (index < end) {
chr = buffer[index++];
if (chr < 128) {
string += String.fromCharCode(chr);
continue;
}
if ((chr & 0xE0) === 0xC0) {
// 2 bytes
chr = (chr & 0x1F) << 6 |
(buffer[index++] & 0x3F);
} else if ((chr & 0xF0) === 0xE0) {
// 3 bytes
chr = (chr & 0x0F) << 12 |
(buffer[index++] & 0x3F) << 6 |
(buffer[index++] & 0x3F);
} else if ((chr & 0xF8) === 0xF0) {
// 4 bytes
chr = (chr & 0x07) << 18 |
(buffer[index++] & 0x3F) << 12 |
(buffer[index++] & 0x3F) << 6 |
(buffer[index++] & 0x3F);
}
if (chr >= 0x010000) {
// A surrogate pair
chr -= 0x010000;
string += String.fromCharCode((chr >>> 10) + 0xD800, (chr & 0x3FF) + 0xDC00);
} else {
string += String.fromCharCode(chr);
}
}
return string;
}
/**
* Buffer.prototype.copy()
*
* @param target {Buffer}
* @param [targetStart] {Number}
* @param [start] {Number}
* @param [end] {Number}
* @returns {number}
*/
function copy(target, targetStart, start, end) {
var i;
if (!start) start = 0;
if (!end && end !== 0) end = this.length;
if (!targetStart) targetStart = 0;
var len = end - start;
if (target === this && start < targetStart && targetStart < end) {
// descending
for (i = len - 1; i >= 0; i--) {
target[i + targetStart] = this[i + start];
}
} else {
// ascending
for (i = 0; i < len; i++) {
target[i + targetStart] = this[i + start];
}
}
return len;
}