53 lines
1.5 KiB
C
Executable File
53 lines
1.5 KiB
C
Executable File
#ifndef CBORCONSTANTS_P_H
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#define CBORCONSTANTS_P_H
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/*
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* CBOR Major types
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* Encoded in the high 3 bits of the descriptor byte
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* See http://tools.ietf.org/html/rfc7049#section-2.1
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*/
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typedef enum CborMajorTypes {
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UnsignedIntegerType = 0U,
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NegativeIntegerType = 1U,
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ByteStringType = 2U,
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TextStringType = 3U,
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ArrayType = 4U,
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MapType = 5U, /* a.k.a. object */
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TagType = 6U,
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SimpleTypesType = 7U
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} CborMajorTypes;
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/*
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* CBOR simple and floating point types
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* Encoded in the low 8 bits of the descriptor byte when the
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* Major Type is 7.
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*/
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typedef enum CborSimpleTypes {
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FalseValue = 20,
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TrueValue = 21,
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NullValue = 22,
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UndefinedValue = 23,
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SimpleTypeInNextByte = 24, /* not really a simple type */
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HalfPrecisionFloat = 25, /* ditto */
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SinglePrecisionFloat = 26, /* ditto */
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DoublePrecisionFloat = 27, /* ditto */
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Break = 31
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} CborSimpleTypes;
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enum {
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SmallValueBitLength = 5U,
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SmallValueMask = (1U << SmallValueBitLength) - 1, /* 31 */
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Value8Bit = 24U,
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Value16Bit = 25U,
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Value32Bit = 26U,
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Value64Bit = 27U,
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IndefiniteLength = 31U,
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MajorTypeShift = SmallValueBitLength,
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MajorTypeMask = (int) (~0U << MajorTypeShift),
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BreakByte = (unsigned)Break | (SimpleTypesType << MajorTypeShift)
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};
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#endif /* CBORCONSTANTS_P_H */
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