156 lines
6.3 KiB
C++
156 lines
6.3 KiB
C++
// Copyright (C) 2009 - 2010 Mathias Froehlich - Mathias.Froehlich@web.de
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Library General Public
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// License as published by the Free Software Foundation; either
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// version 2 of the License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Library General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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//
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#ifndef HLABasicDataType_hxx
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#define HLABasicDataType_hxx
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#include <string>
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#include "HLADataType.hxx"
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namespace simgear {
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class HLABasicDataType : public HLADataType {
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public:
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virtual ~HLABasicDataType();
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virtual void accept(HLADataTypeVisitor& visitor) const;
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virtual const HLABasicDataType* toBasicDataType() const;
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protected:
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HLABasicDataType(const std::string& name);
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};
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class HLAInt8DataType : public HLABasicDataType {
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public:
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HLAInt8DataType(const std::string& name = "HLAInt8DataType");
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virtual ~HLAInt8DataType();
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virtual void accept(HLADataTypeVisitor& visitor) const;
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bool skip(HLADecodeStream& stream) const
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{
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if (!stream.alignOffsetForSize(getAlignment()))
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return false;
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return stream.skip(1);
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}
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bool skip(HLAEncodeStream& stream) const
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{
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if (!stream.alignOffsetForSize(getAlignment()))
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return false;
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return stream.skip(1);
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}
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bool decode(HLADecodeStream& stream, int8_t& value) const
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{
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if (!stream.alignOffsetForSize(getAlignment()))
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return false;
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return stream.decodeInt8(value);
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}
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bool encode(HLAEncodeStream& stream, const int8_t& value) const
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{
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if (!stream.alignOffsetForSize(getAlignment()))
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return false;
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return stream.encodeInt8(value);
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}
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};
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class HLAUInt8DataType : public HLABasicDataType {
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public:
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HLAUInt8DataType(const std::string& name = "HLAUInt8DataType");
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virtual ~HLAUInt8DataType();
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virtual void accept(HLADataTypeVisitor& visitor) const;
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bool skip(HLADecodeStream& stream) const
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{
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if (!stream.alignOffsetForSize(getAlignment()))
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return false;
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return stream.skip(1);
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}
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bool skip(HLAEncodeStream& stream) const
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{
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if (!stream.alignOffsetForSize(getAlignment()))
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return false;
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return stream.skip(1);
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}
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bool decode(HLADecodeStream& stream, uint8_t& value) const
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{
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if (!stream.alignOffsetForSize(getAlignment()))
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return false;
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return stream.decodeUInt8(value);
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}
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bool encode(HLAEncodeStream& stream, const uint8_t& value) const
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{
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if (!stream.alignOffsetForSize(getAlignment()))
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return false;
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return stream.encodeUInt8(value);
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}
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};
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#define BASIC_DATATYPE_IMPLEMENTATION(type, name) \
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class HLA##name##DataType : public HLABasicDataType { \
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public: \
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virtual ~HLA##name##DataType(); \
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\
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virtual void accept(HLADataTypeVisitor& visitor) const; \
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\
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bool skip(HLADecodeStream& stream) const \
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{ \
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if (!stream.alignOffsetForSize(getAlignment())) \
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return false; \
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return stream.skip(sizeof(type)); \
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} \
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bool skip(HLAEncodeStream& stream) const \
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{ \
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if (!stream.alignOffsetForSize(getAlignment())) \
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return false; \
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return stream.skip(sizeof(type)); \
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} \
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virtual bool decode(HLADecodeStream& stream, type& value) const = 0; \
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virtual bool encode(HLAEncodeStream& stream, const type& value) const = 0;\
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protected: \
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HLA##name##DataType(const std::string& name); \
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}; \
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class HLA##name##LEDataType : public HLA##name##DataType { \
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public: \
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HLA##name##LEDataType(const std::string& name = "HLA" #name "LEDataType");\
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virtual ~HLA##name##LEDataType(); \
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virtual bool decode(HLADecodeStream& stream, type& value) const; \
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virtual bool encode(HLAEncodeStream& stream, const type& value) const; \
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}; \
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class HLA##name##BEDataType : public HLA##name##DataType { \
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public: \
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HLA##name##BEDataType(const std::string& name = "HLA" #name "BEDataType");\
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virtual ~HLA##name##BEDataType(); \
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virtual bool decode(HLADecodeStream& stream, type& value) const; \
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virtual bool encode(HLAEncodeStream& stream, const type& value) const; \
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};
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BASIC_DATATYPE_IMPLEMENTATION(int16_t, Int16)
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BASIC_DATATYPE_IMPLEMENTATION(uint16_t, UInt16)
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BASIC_DATATYPE_IMPLEMENTATION(int32_t, Int32)
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BASIC_DATATYPE_IMPLEMENTATION(uint32_t, UInt32)
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BASIC_DATATYPE_IMPLEMENTATION(int64_t, Int64)
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BASIC_DATATYPE_IMPLEMENTATION(uint64_t, UInt64)
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BASIC_DATATYPE_IMPLEMENTATION(float, Float32)
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BASIC_DATATYPE_IMPLEMENTATION(double, Float64)
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#undef BASIC_DATATYPE_IMPLEMENTATION
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} // namespace simgear
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#endif
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