зеркало из https://github.com/mozilla/gecko-dev.git
74 строки
2.3 KiB
C++
74 строки
2.3 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_gfx_SFNTNameTable_h
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#define mozilla_gfx_SFNTNameTable_h
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#include "mozilla/UniquePtr.h"
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#include "mozilla/Vector.h"
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#include "u16string.h"
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#include <functional>
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namespace mozilla {
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namespace gfx {
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struct NameHeader;
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struct NameRecord;
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enum ENameDecoder : int;
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typedef Vector<std::function<ENameDecoder(const NameRecord*)>>
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NameRecordMatchers;
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class SFNTNameTable final {
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public:
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/**
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* Creates a SFNTNameTable if the header data is valid. Note that the data is
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* NOT copied, so must exist for the lifetime of the table.
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*
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* @param aNameData the Name Table data.
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* @param aDataLength length
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* @return UniquePtr to a SFNTNameTable or nullptr if the header is invalid.
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*/
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static UniquePtr<SFNTNameTable> Create(const uint8_t* aNameData,
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uint32_t aDataLength);
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/**
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* Gets the full name from the name table. If the full name string is not
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* present it will use the family space concatenated with the style.
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* This will only read names that are already UTF16 or Mac OS Roman.
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*
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* @param aU16FullName string to be populated with the full name.
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* @return true if the full name is successfully read.
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*/
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bool GetU16FullName(mozilla::u16string& aU16FullName);
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private:
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SFNTNameTable(const NameHeader* aNameHeader, const uint8_t* aNameData,
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uint32_t aDataLength);
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bool ReadU16Name(const NameRecordMatchers& aMatchers,
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mozilla::u16string& aU16Name);
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bool ReadU16NameFromU16Record(const NameRecord* aNameRecord,
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mozilla::u16string& aU16Name);
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#if defined(XP_MACOSX)
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bool ReadU16NameFromMacRomanRecord(const NameRecord* aNameRecord,
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mozilla::u16string& aU16Name);
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#endif
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const NameRecord* mFirstRecord;
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const NameRecord* mEndOfRecords;
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const uint8_t* mStringData;
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const uint32_t mStringDataLength;
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};
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} // namespace gfx
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} // namespace mozilla
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#endif // mozilla_gfx_SFNTNameTable_h
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