Name: js-handler/node_modules/restify/node_modules/formidable/lib/querystring_parser.js 
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if (global.GENTLY) require = GENTLY.hijack(require);
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// This is a buffering parser, not quite as nice as the multipart one.
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// If I find time I'll rewrite this to be fully streaming as well
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var querystring = require('querystring');
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function QuerystringParser(maxKeys) {
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  this.maxKeys = maxKeys;
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  this.buffer = '';
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};
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exports.QuerystringParser = QuerystringParser;
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QuerystringParser.prototype.write = function(buffer) {
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  this.buffer += buffer.toString('ascii');
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  return buffer.length;
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};
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QuerystringParser.prototype.end = function() {
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  var fields = querystring.parse(this.buffer, '&', '=', { maxKeys: this.maxKeys });
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  for (var field in fields) {
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    this.onField(field, fields[field]);
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  }
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  this.buffer = '';
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  this.onEnd();
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};