40 lines
1.1 KiB
JavaScript
40 lines
1.1 KiB
JavaScript
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'use strict';
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var ver6 = parseInt(process.versions.node) >= 6;
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module.exports = {
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create: function (arg0, encoding) {
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if (typeof arg0 === 'number') {
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return ver6 ? Buffer.alloc(arg0) : new Buffer(arg0);
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}
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return ver6 ? Buffer.from(arg0, encoding) : new Buffer(arg0, encoding);
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},
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read: {
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fixedLenUtf8String: function (buffer, start, length) {
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return buffer.toString('utf8', start, start + length).trim();
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},
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fixedLenHexString: function (buffer, start, length) {
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return buffer.toString('hex', start, start + length).toUpperCase();
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},
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uintBigEndian: function (buffer, start, length) {
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return buffer.readUIntBE(start, length);
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}
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},
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write: {
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variableLenUtf8String: function (buffer, value, start, length) {
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while (value.length !== length) {
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value += ' ';
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}
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buffer.write(value, start, length, 'utf8');
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},
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fixedLenHexString: function (buffer, value, start, length) {
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buffer.write(value, start, length, 'hex');
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},
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uintBigEndian: function (buffer, value, start, length) {
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buffer.writeUIntBE(value, start, length);
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}
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}
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};
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