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allow Buffer to be used as 'a' format pack parameter

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This commit is contained in:
sidorares 2011-07-20 14:45:46 +10:00
parent 7a2761b061
commit aa5c4bac1c
1 changed files with 11 additions and 4 deletions
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9
lib/x11/unpackstream.js
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@ -244,6 +244,7 @@ UnpackStream.prototype.pack = function(format, arguments)
var n = arguments[arg++]; var n = arguments[arg++];
buf[offset++] = n; buf[offset++] = n;
break; break;
case 's': // TODO: implement signed INT16!!!
case 'S': case 'S':
var n = arguments[arg++]; var n = arguments[arg++];
buf[offset++] = n & 0xff; buf[offset++] = n & 0xff;
@ -256,11 +257,17 @@ UnpackStream.prototype.pack = function(format, arguments)
buf[offset++] = (n >> 16) & 0xff; buf[offset++] = (n >> 16) & 0xff;
buf[offset++] = (n >> 24) & 0xff; buf[offset++] = (n >> 24) & 0xff;
break; break;
case 'a': // string case 'a': // string or buffer
var str = arguments[arg++]; var str = arguments[arg++];
if (Buffer.isBuffer(str))
{
str.copy(buf, offset);
offset += str.length;
} else {
// TODO: buffer.write could be faster // TODO: buffer.write could be faster
for (var c = 0; c < str.length; ++c) for (var c = 0; c < str.length; ++c)
buf[offset++] = str.charCodeAt(c); buf[offset++] = str.charCodeAt(c);
}
break; break;
case 'p': // padded string case 'p': // padded string
var str = arguments[arg++]; var str = arguments[arg++];