query_params.h

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// Copyright 2010-2011 Google Inc.

#ifndef PAGESPEED_KERNEL_HTTP_QUERY_PARAMS_H_
#define PAGESPEED_KERNEL_HTTP_QUERY_PARAMS_H_

#include "pagespeed/kernel/base/string_multi_map.h"

#include "pagespeed/kernel/base/basictypes.h"
#include "pagespeed/kernel/base/string.h"
#include "pagespeed/kernel/base/string_util.h"

namespace net_instaweb {

class GoogleUrl;

class QueryParams {
 public:
  QueryParams() { }

  void ParseFromUrl(const GoogleUrl& gurl);

  void ParseFromUntrustedString(StringPiece query_param_string);

  GoogleString ToEscapedString() const;

  int size() const { return map_.num_values(); }
  bool empty() const { return map_.empty(); }
  void Clear() { map_.Clear(); }

  bool LookupEscaped(const StringPiece& name,
                     ConstStringStarVector* values) const {
    return map_.Lookup(name, values);
  }

  const GoogleString* Lookup1Escaped(const StringPiece& name) const {
    return map_.Lookup1(name);
  }

  bool Lookup1Unescaped(const StringPiece& name,
                        GoogleString* escaped_value) const;

  bool Has(const StringPiece& name) const { return map_.Has(name); }

  bool RemoveAll(const StringPiece& key) { return map_.RemoveAll(key); }

  bool RemoveAllFromSortedArray(const StringPiece* names, int names_size) {
    return map_.RemoveAllFromSortedArray(names, names_size);
  }

  StringPiece name(int index) const { return map_.name(index); }

  const GoogleString* EscapedValue(int index) const {
    return map_.value(index);
  }

  bool UnescapedValue(int index, GoogleString* escaped_val) const;

  void AddEscaped(const StringPiece& key, const StringPiece& value) {
    return map_.Add(key, value);
  }

  void CopyFrom(const QueryParams& query_param) {
    map_.CopyFrom(query_param.map_);
  }

 private:
  StringMultiMapSensitive map_;

  
};

}  

#endif