forked from mirrors/gecko-dev
56f10f5d58
Backed out changeset a1cad969287d (bug 1895075) Backed out changeset d5fef245a430 (bug 1895075)
95 lines
3.2 KiB
C++
95 lines
3.2 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 "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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using HashType = nsStringHashKey;
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};
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template <>
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struct HashKeyType<char> {
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using HashType = nsCStringHashKey;
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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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~TMimeType() = default;
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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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static nsTArray<nsTDependentSubstring<char_type>> SplitMimetype(
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const nsTSubstring<char_type>& aMimeType);
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bool mIsBase64{false};
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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 RefPtr<TMimeType<char_type>> Parse(
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const nsTSubstring<char_type>& aMimeType);
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// @param aMimeType - the mimetype string
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// @param aOutEssence - will hold the value of the content-type
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// @param aOutCharset - will hold the value of the charset
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// @return true if the mimetype was parsed, false otherwise.
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static bool Parse(const nsTSubstring<char_type>& aMimeType,
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nsTSubstring<char_type>& aOutEssence,
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nsTSubstring<char_type>& aOutCharset);
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void Serialize(nsTSubstring<char_type>& aStr) const;
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// Returns the `<mType>/<mSubtype>`
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void GetEssence(nsTSubstring<char_type>& aOutput) const;
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bool IsBase64() const { return mIsBase64; }
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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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// @param aWithQuotes - if true, output can contain quoted string
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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, bool aAppend = false,
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bool aWithQuotes = true) 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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NS_INLINE_DECL_REFCOUNTING(TMimeType)
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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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