Add m-esr52 at 52.6.0

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