forked from mirrors/gecko-dev
ad01a10a3b
Note that this patch only transforms the use of the nsDataHashtable type alias to a directly equivalent use of nsTHashMap. It does not change the specification of the hash key type to make use of the key class deduction that nsTHashMap allows for in some cases. That can be done in a separate step, but requires more attention. Differential Revision: https://phabricator.services.mozilla.com/D106008
77 lines
2.5 KiB
C++
77 lines
2.5 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_dom_MimeType_h
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#define mozilla_dom_MimeType_h
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#include "mozilla/TextUtils.h"
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#include "mozilla/UniquePtr.h"
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#include "nsTHashMap.h"
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#include "nsTArray.h"
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template <typename char_type>
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struct HashKeyType;
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template <>
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struct HashKeyType<char16_t> {
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typedef nsStringHashKey HashType;
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};
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template <>
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struct HashKeyType<char> {
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typedef nsCStringHashKey HashType;
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};
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template <typename char_type>
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class TMimeType final {
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private:
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class ParameterValue : public nsTString<char_type> {
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public:
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bool mRequiresQuoting;
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ParameterValue() : mRequiresQuoting(false) {}
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};
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nsTString<char_type> mType;
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nsTString<char_type> mSubtype;
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nsTHashMap<typename HashKeyType<char_type>::HashType, ParameterValue>
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mParameters;
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nsTArray<nsTString<char_type>> mParameterNames;
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public:
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TMimeType(const nsTSubstring<char_type>& aType,
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const nsTSubstring<char_type>& aSubtype)
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: mType(aType), mSubtype(aSubtype) {}
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static mozilla::UniquePtr<TMimeType<char_type>> Parse(
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const nsTSubstring<char_type>& aStr);
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void Serialize(nsTSubstring<char_type>& aStr) const;
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// Returns the `<mType>/<mSubtype>`
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void GetFullType(nsTSubstring<char_type>& aStr) const;
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// @param aName - the name of the parameter
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// @return true if the parameter name is found, false otherwise.
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bool HasParameter(const nsTSubstring<char_type>& aName) const;
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// @param aName - the name of the parameter
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// @param aOutput - will hold the value of the parameter (quoted if necessary)
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// @param aAppend - if true, the method will append to the string;
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// otherwise the string is truncated before appending.
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// @return true if the parameter name is found, false otherwise.
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bool GetParameterValue(const nsTSubstring<char_type>& aName,
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nsTSubstring<char_type>& aOutput,
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bool aAppend = false) const;
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// @param aName - the name of the parameter
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// @param aValue - the value of the parameter
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void SetParameterValue(const nsTSubstring<char_type>& aName,
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const nsTSubstring<char_type>& aValue);
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};
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using MimeType = TMimeType<char16_t>;
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using CMimeType = TMimeType<char>;
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#endif // mozilla_dom_MimeType_h
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