120 lines
2.9 KiB
C
120 lines
2.9 KiB
C
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/*
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* Copyright (C) 2014-2018 Muhammad Tayyab Akram
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef _SB_PUBLIC_BASE_H
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#define _SB_PUBLIC_BASE_H
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#include <stddef.h>
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#include <stdint.h>
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/**
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* A type to represent an 8-bit signed integer.
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*/
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typedef int8_t SBInt8;
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/**
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* A type to represent a 16-bit signed integer.
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*/
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typedef int16_t SBInt16;
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/**
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* A type to represent a 32-bit signed integer.
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*/
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typedef int32_t SBInt32;
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/**
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* A type to represent an 8-bit unsigned integer.
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*/
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typedef uint8_t SBUInt8;
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/**
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* A type to represent a 16-bit unsigned integer.
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*/
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typedef uint16_t SBUInt16;
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/**
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* A type to represent a 32-bit unsigned integer.
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*/
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typedef uint32_t SBUInt32;
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/**
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* A signed integer type whose width is equal to the width of the machine word.
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*/
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typedef intptr_t SBInteger;
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/**
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* An unsigned integer type whose width is equal to the width of the machine word.
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*/
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typedef uintptr_t SBUInteger;
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/**
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* Constants that specify the states of a boolean.
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*/
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enum {
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SBFalse = 0, /**< A value representing the false state. */
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SBTrue = 1 /**< A value representing the true state. */
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};
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/**
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* A type to represent a boolean value.
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*/
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typedef SBUInt8 SBBoolean;
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#define SBUInt8InRange(v, s, e) \
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( \
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(SBUInt8)((v) - (s)) \
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<= (SBUInt8)((e) - (s)) \
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)
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#define SBUInt16InRange(v, s, e) \
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( \
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(SBUInt16)((v) - (s)) \
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<= (SBUInt16)((e) - (s)) \
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)
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#define SBUInt32InRange(v, s, e) \
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( \
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(SBUInt32)((v) - (s)) \
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<= (SBUInt32)((e) - (s)) \
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)
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/**
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* A type to represent a bidi level.
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*/
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typedef SBUInt8 SBLevel;
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/**
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* A value representing an invalid bidi level.
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*/
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#define SBLevelInvalid 0xFF
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/**
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* A value representing maximum explicit embedding level.
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*/
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#define SBLevelMax 125
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/**
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* A value specifying to set base level to zero (left-to-right) if there is no strong character.
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*/
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#define SBLevelDefaultLTR 0xFE
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/**
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* A value specifying to set base level to one (right-to-left) if there is no strong character.
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*/
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#define SBLevelDefaultRTL 0xFD
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#endif
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