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[C++11] Use type aliases for template partial instantiations

This commit is contained in:
Behdad Esfahbod 2019-03-29 20:01:37 -07:00
parent 4fd02f6ee5
commit 489faf826c
1 changed files with 14 additions and 10 deletions
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24
src/hb-open-type.hh
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@ -335,9 +335,12 @@ struct OffsetTo : Offset<OffsetType, has_null>
DEFINE_SIZE_STATIC (sizeof (OffsetType));
};
/* Partial specializations. */
template <typename Type, bool has_null=true> struct LOffsetTo : OffsetTo<Type, HBUINT32, has_null> {};
template <typename Type, typename OffsetType=HBUINT16 > struct NNOffsetTo : OffsetTo<Type, OffsetType, false> {};
template <typename Type > struct LNNOffsetTo : OffsetTo<Type, HBUINT32, false> {};
template <typename Type, bool has_null=true>
using LOffsetTo = OffsetTo<Type, HBUINT32, has_null>;
template <typename Type, typename OffsetType=HBUINT16>
using NNOffsetTo = OffsetTo<Type, OffsetType, false>;
template <typename Type>
using LNNOffsetTo = LOffsetTo<Type, false>;
template <typename Base, typename OffsetType, bool has_null, typename Type>
static inline const Type& operator + (const Base &base, const OffsetTo<Type, OffsetType, has_null> &offset) { return offset (base); }
@ -444,7 +447,7 @@ struct UnsizedArrayOf
/* Unsized array of offset's */
template <typename Type, typename OffsetType, bool has_null=true>
struct UnsizedOffsetArrayOf : UnsizedArrayOf<OffsetTo<Type, OffsetType, has_null> > {};
using UnsizedOffsetArrayOf = UnsizedArrayOf<OffsetTo<Type, OffsetType, has_null> >;
/* Unsized array of offsets relative to the beginning of the array itself. */
template <typename Type, typename OffsetType, bool has_null=true>
@ -633,16 +636,17 @@ struct ArrayOf
public:
DEFINE_SIZE_ARRAY (sizeof (LenType), arrayZ);
};
template <typename Type> struct LArrayOf : ArrayOf<Type, HBUINT32> {};
typedef ArrayOf<HBUINT8, HBUINT8> PString;
template <typename Type>
using LArrayOf = ArrayOf<Type, HBUINT32>;
using PString = ArrayOf<HBUINT8, HBUINT8>;
/* Array of Offset's */
template <typename Type>
struct OffsetArrayOf : ArrayOf<OffsetTo<Type, HBUINT16> > {};
using OffsetArrayOf = ArrayOf<OffsetTo<Type, HBUINT16> >;
template <typename Type>
struct LOffsetArrayOf : ArrayOf<OffsetTo<Type, HBUINT32> > {};
using LOffsetArrayOf = ArrayOf<OffsetTo<Type, HBUINT32> >;
template <typename Type>
struct LOffsetLArrayOf : ArrayOf<OffsetTo<Type, HBUINT32>, HBUINT32> {};
using LOffsetLArrayOf = ArrayOf<OffsetTo<Type, HBUINT32>, HBUINT32>;
/* Array of offsets relative to the beginning of the array itself. */
template <typename Type>
@ -890,7 +894,7 @@ struct BinSearchHeader
};
template <typename Type, typename LenType=HBUINT16>
struct BinSearchArrayOf : SortedArrayOf<Type, BinSearchHeader<LenType> > {};
using BinSearchArrayOf = SortedArrayOf<Type, BinSearchHeader<LenType> >;
struct VarSizedBinSearchHeader