gecko-dev/gfx/2d/SFNTNameTable.h
Benoit Girard 52f227c58b Bug 1253678 - Rename mozilla::Function to mozilla::function. r=froydnj
MozReview-Commit-ID: 60RPmEsYDN2

--HG--
extra : rebase_source : 9d0bebc7362af2778d123425c56ac20553d9303b
2016-03-11 16:49:13 -05:00

68 lines
2.0 KiB
C++

/* -*- 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;
typedef Vector<function<bool(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.
*
* @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 ReadU16NameFromRecord(const NameRecord *aNameRecord,
mozilla::u16string& aU16Name);
const NameRecord *mFirstRecord;
const NameRecord *mEndOfRecords;
const uint8_t *mStringData;
const uint32_t mStringDataLength;
};
} // gfx
} // mozilla
#endif // mozilla_gfx_SFNTNameTable_h