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Diffstat (limited to 'gfx/2d/SFNTNameTable.h')
-rw-r--r-- | gfx/2d/SFNTNameTable.h | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/gfx/2d/SFNTNameTable.h b/gfx/2d/SFNTNameTable.h new file mode 100644 index 000000000..3735cca96 --- /dev/null +++ b/gfx/2d/SFNTNameTable.h @@ -0,0 +1,73 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* 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_gfx_SFNTNameTable_h +#define mozilla_gfx_SFNTNameTable_h + +#include "mozilla/Function.h" +#include "mozilla/UniquePtr.h" +#include "mozilla/Vector.h" +#include "u16string.h" + +namespace mozilla { +namespace gfx { + +struct NameHeader; +struct NameRecord; +enum ENameDecoder : int; + +typedef Vector<function<ENameDecoder(const NameRecord*)>> NameRecordMatchers; + +class SFNTNameTable final +{ +public: + + /** + * Creates a SFNTNameTable if the header data is valid. Note that the data is + * NOT copied, so must exist for the lifetime of the table. + * + * @param aNameData the Name Table data. + * @param aDataLength length + * @return UniquePtr to a SFNTNameTable or nullptr if the header is invalid. + */ + static UniquePtr<SFNTNameTable> Create(const uint8_t *aNameData, + uint32_t aDataLength); + + /** + * Gets the full name from the name table. If the full name string is not + * present it will use the family space concatenated with the style. + * This will only read names that are already UTF16 or Mac OS Roman. + * + * @param aU16FullName string to be populated with the full name. + * @return true if the full name is successfully read. + */ + bool GetU16FullName(mozilla::u16string& aU16FullName); + +private: + + SFNTNameTable(const NameHeader *aNameHeader, const uint8_t *aNameData, + uint32_t aDataLength); + + bool ReadU16Name(const NameRecordMatchers& aMatchers, mozilla::u16string& aU16Name); + + bool ReadU16NameFromU16Record(const NameRecord *aNameRecord, + mozilla::u16string& aU16Name); + +#if defined(XP_MACOSX) + bool ReadU16NameFromMacRomanRecord(const NameRecord *aNameRecord, + mozilla::u16string& aU16Name); +#endif + + const NameRecord *mFirstRecord; + const NameRecord *mEndOfRecords; + const uint8_t *mStringData; + const uint32_t mStringDataLength; +}; + +} // gfx +} // mozilla + +#endif // mozilla_gfx_SFNTNameTable_h |