aaac7fed
 liuqimichale
add
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'use strict';
var NodeHTTPParser = require('http-parser-js').HTTPParser;
var VERSION = process.version.match(/[0-9]+/g).map(function(n) { return parseInt(n, 10) });
var TYPES = {
request: NodeHTTPParser.REQUEST || 'request',
response: NodeHTTPParser.RESPONSE || 'response'
};
var HttpParser = function(type) {
this._type = type;
this._parser = new NodeHTTPParser(TYPES[type]);
this._complete = false;
this.headers = {};
var current = null,
self = this;
this._parser.onHeaderField = function(b, start, length) {
current = b.toString('utf8', start, start + length).toLowerCase();
};
this._parser.onHeaderValue = function(b, start, length) {
var value = b.toString('utf8', start, start + length);
if (self.headers.hasOwnProperty(current))
self.headers[current] += ', ' + value;
else
self.headers[current] = value;
};
this._parser.onHeadersComplete = this._parser[NodeHTTPParser.kOnHeadersComplete] =
function(majorVersion, minorVersion, headers, method, pathname, statusCode) {
var info = arguments[0];
if (typeof info === 'object') {
method = info.method;
pathname = info.url;
statusCode = info.statusCode;
headers = info.headers;
}
self.method = (typeof method === 'number') ? HttpParser.METHODS[method] : method;
self.statusCode = statusCode;
self.url = pathname;
if (!headers) return;
for (var i = 0, n = headers.length, key, value; i < n; i += 2) {
key = headers[i].toLowerCase();
value = headers[i+1];
if (self.headers.hasOwnProperty(key))
self.headers[key] += ', ' + value;
else
self.headers[key] = value;
}
self._complete = true;
};
};
HttpParser.METHODS = {
0: 'DELETE',
1: 'GET',
2: 'HEAD',
3: 'POST',
4: 'PUT',
5: 'CONNECT',
6: 'OPTIONS',
7: 'TRACE',
8: 'COPY',
9: 'LOCK',
10: 'MKCOL',
11: 'MOVE',
12: 'PROPFIND',
13: 'PROPPATCH',
14: 'SEARCH',
15: 'UNLOCK',
16: 'BIND',
17: 'REBIND',
18: 'UNBIND',
19: 'ACL',
20: 'REPORT',
21: 'MKACTIVITY',
22: 'CHECKOUT',
23: 'MERGE',
24: 'M-SEARCH',
25: 'NOTIFY',
26: 'SUBSCRIBE',
27: 'UNSUBSCRIBE',
28: 'PATCH',
29: 'PURGE',
30: 'MKCALENDAR',
31: 'LINK',
32: 'UNLINK'
};
if (VERSION[0] === 0 && VERSION[1] === 12) {
HttpParser.METHODS[16] = 'REPORT';
HttpParser.METHODS[17] = 'MKACTIVITY';
HttpParser.METHODS[18] = 'CHECKOUT';
HttpParser.METHODS[19] = 'MERGE';
HttpParser.METHODS[20] = 'M-SEARCH';
HttpParser.METHODS[21] = 'NOTIFY';
HttpParser.METHODS[22] = 'SUBSCRIBE';
HttpParser.METHODS[23] = 'UNSUBSCRIBE';
HttpParser.METHODS[24] = 'PATCH';
HttpParser.METHODS[25] = 'PURGE';
}
HttpParser.prototype.isComplete = function() {
return this._complete;
};
HttpParser.prototype.parse = function(chunk) {
var consumed = this._parser.execute(chunk, 0, chunk.length);
if (typeof consumed !== 'number') {
this.error = consumed;
this._complete = true;
return;
}
if (VERSION[0] === 0 && VERSION[1] < 6) consumed += 1;
if (this._complete)
this.body = (consumed < chunk.length)
? chunk.slice(consumed)
: new Buffer(0);
};
module.exports = HttpParser;
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