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XML over TCP

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2£¬¼ÓÒ»¸ödelimiterÈ¥±êÃ÷Êý¾ÝµÄ½áÊø
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//return length of the xml message
//return -1 for invalid data
//return 0 for not fully received
int GetXmlLen(string buf, string rootName)
{
string head = "<" + rootName;
if (buf.Length < head.Length)
{
//not fully recved
return 0;
}
if (!buf.StartsWith(head))
{
//invalid
return -1;
}
int idx = buf.IndexOf('>');
if (idx < 0)
{
//not fully recved
return 0;
}
if (buf[idx-1] == '/')
{
//empty root element
return (idx + 1);
}
string tail = "</" + rootName + ">";
idx = buf.IndexOf(tail);
if (idx < 0)
{
//not fully recved
return 0;
}
return (idx + tail.Length);
}
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C# XML×¢ÊÍ

×÷Õß: J. Andrew Schafer
ÕâÆªÎÄÕ¼ÙÉèÄã¶Ô XML, XSLT, ºÍ C# ÊìϤ
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