/usr/include/thunderbird/mozilla/dom/SRIMetadata.h is in thunderbird-dev 1:52.8.0-1~deb8u1.
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef mozilla_dom_SRIMetadata_h
#define mozilla_dom_SRIMetadata_h
#include "nsTArray.h"
#include "nsString.h"
#include "SRICheck.h"
namespace mozilla {
namespace dom {
class SRIMetadata final
{
friend class SRICheck;
public:
static const uint32_t MAX_ALTERNATE_HASHES = 256;
static const int8_t UNKNOWN_ALGORITHM = -1;
/**
* Create an empty metadata object.
*/
SRIMetadata() : mAlgorithmType(UNKNOWN_ALGORITHM), mEmpty(true) {}
/**
* Split a string token into the components of an SRI metadata
* attribute.
*/
explicit SRIMetadata(const nsACString& aToken);
/**
* Returns true when this object's hash algorithm is weaker than the
* other object's hash algorithm.
*/
bool operator<(const SRIMetadata& aOther) const;
/**
* Not implemented. Should not be used.
*/
bool operator>(const SRIMetadata& aOther) const;
/**
* Add another metadata's hash to this one.
*/
SRIMetadata& operator+=(const SRIMetadata& aOther);
/**
* Returns true when the two metadata use the same hash algorithm.
*/
bool operator==(const SRIMetadata& aOther) const;
bool IsEmpty() const { return mEmpty; }
bool IsMalformed() const { return mHashes.IsEmpty() || mAlgorithm.IsEmpty(); }
bool IsAlgorithmSupported() const { return mAlgorithmType != UNKNOWN_ALGORITHM; }
bool IsValid() const { return !IsMalformed() && IsAlgorithmSupported(); }
uint32_t HashCount() const { return mHashes.Length(); }
void GetHash(uint32_t aIndex, nsCString* outHash) const;
void GetAlgorithm(nsCString* outAlg) const { *outAlg = mAlgorithm; }
void GetHashType(int8_t* outType, uint32_t* outLength) const;
const nsString& GetIntegrityString() const
{
return mIntegrityString;
}
private:
nsTArray<nsCString> mHashes;
nsString mIntegrityString;
nsCString mAlgorithm;
int8_t mAlgorithmType;
bool mEmpty;
};
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_SRIMetadata_h
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