| Directory: | ./ |
|---|---|
| File: | pdserv/src/DataType.h |
| Date: | 2025-08-17 04:10:43 |
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| Lines: | 23 | 41 | 56.1% |
| Branches: | 26 | 48 | 54.2% |
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| 1 | /***************************************************************************** | ||
| 2 | * | ||
| 3 | * Copyright (C) 2012 Richard Hacker (lerichi at gmx dot net) | ||
| 4 | * | ||
| 5 | * This file is part of the pdserv library. | ||
| 6 | * | ||
| 7 | * The pdserv library is free software: you can redistribute it and/or modify | ||
| 8 | * it under the terms of the GNU Lesser General Public License as published | ||
| 9 | * by the Free Software Foundation, either version 3 of the License, or (at | ||
| 10 | * your option) any later version. | ||
| 11 | * | ||
| 12 | * The pdserv library is distributed in the hope that it will be useful, but | ||
| 13 | * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY | ||
| 14 | * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public | ||
| 15 | * License for more details. | ||
| 16 | * | ||
| 17 | * You should have received a copy of the GNU Lesser General Public License | ||
| 18 | * along with the pdserv library. If not, see <http://www.gnu.org/licenses/>. | ||
| 19 | * | ||
| 20 | ****************************************************************************/ | ||
| 21 | |||
| 22 | #ifndef DATATYPE_H | ||
| 23 | #define DATATYPE_H | ||
| 24 | |||
| 25 | #include "Debug.h" | ||
| 26 | |||
| 27 | #include <list> | ||
| 28 | #include <stdint.h> | ||
| 29 | #include <vector> | ||
| 30 | #include <string> | ||
| 31 | #include <ostream> | ||
| 32 | |||
| 33 | namespace PdServ { | ||
| 34 | |||
| 35 | class DataType { | ||
| 36 | public: | ||
| 37 | 15744 | struct DimType: public std::vector<size_t> { | |
| 38 | DimType(size_t ndims, const size_t *dim); | ||
| 39 | const size_t nelem; | ||
| 40 | |||
| 41 | 4852 | bool isScalar() const { | |
| 42 | 4852 | return nelem == 1; | |
| 43 | } | ||
| 44 | |||
| 45 | 66 | bool isVector() const { | |
| 46 | 66 | return size() == 1; | |
| 47 | } | ||
| 48 | |||
| 49 | bool isMultiDim() const { | ||
| 50 | return size() > 1; | ||
| 51 | } | ||
| 52 | |||
| 53 | }; | ||
| 54 | |||
| 55 | ✗ | struct Field { | |
| 56 | Field(const std::string& name, const DataType& type, | ||
| 57 | size_t offset, size_t ndims, const size_t *dims); | ||
| 58 | const std::string name; | ||
| 59 | const DataType& type; | ||
| 60 | const size_t offset; | ||
| 61 | const DimType dim; | ||
| 62 | }; | ||
| 63 | |||
| 64 | enum Primary { | ||
| 65 | compound_T = 0, | ||
| 66 | boolean_T, | ||
| 67 | uint8_T, int8_T, | ||
| 68 | uint16_T, int16_T, | ||
| 69 | uint32_T, int32_T, | ||
| 70 | uint64_T, int64_T, | ||
| 71 | double_T, single_T | ||
| 72 | }; | ||
| 73 | |||
| 74 | DataType( const std::string& name, size_t size); | ||
| 75 | virtual ~DataType(); | ||
| 76 | |||
| 77 | const std::string name; | ||
| 78 | const size_t size; | ||
| 79 | virtual Primary primary() const; | ||
| 80 | bool isPrimary() const; | ||
| 81 | static const size_t maxWidth = 8; /**< Maximum supported data type | ||
| 82 | size in bytes */ | ||
| 83 | |||
| 84 | virtual size_t align() const; | ||
| 85 | |||
| 86 | void addField(const std::string& name, | ||
| 87 | const DataType& type, | ||
| 88 | size_t offset, | ||
| 89 | size_t ndims = 1, | ||
| 90 | const size_t* dims = 0); | ||
| 91 | |||
| 92 | 66 | struct FieldList: public std::list<const Field*> { | |
| 93 | friend std::ostream& operator<<(std::ostream& os, | ||
| 94 | const FieldList& fieldList); | ||
| 95 | }; | ||
| 96 | const FieldList& getFieldList() const; | ||
| 97 | |||
| 98 | bool operator==(const DataType& other) const; | ||
| 99 | bool operator!=(const DataType& other) const; | ||
| 100 | void (* const setValue)(char *&, double); | ||
| 101 | |||
| 102 | static const DataType& boolean; | ||
| 103 | static const DataType& uint8; | ||
| 104 | static const DataType& int8; | ||
| 105 | static const DataType& uint16; | ||
| 106 | static const DataType& int16; | ||
| 107 | static const DataType& uint32; | ||
| 108 | static const DataType& int32; | ||
| 109 | static const DataType& uint64; | ||
| 110 | static const DataType& int64; | ||
| 111 | static const DataType& float64; | ||
| 112 | static const DataType& float32; | ||
| 113 | |||
| 114 | virtual void print(std::ostream& os, const char *data, | ||
| 115 | const char* start, const char* end) const; | ||
| 116 | |||
| 117 | struct Printer { | ||
| 118 | ✗ | Printer(const DataType* dt, const char *addr, size_t nelem): | |
| 119 | ✗ | type(dt), addr(addr), size(nelem * dt->size) { | |
| 120 | } | ||
| 121 | |||
| 122 | ✗ | friend std::ostream& operator<<(std::ostream& os, | |
| 123 | const Printer& obj) { | ||
| 124 | ✗ | obj.type->print(os, obj.addr, obj.addr, | |
| 125 | ✗ | obj.addr + obj.size); | |
| 126 | ✗ | return os; | |
| 127 | } | ||
| 128 | |||
| 129 | const DataType* const type; | ||
| 130 | const char * const addr; | ||
| 131 | const size_t size; | ||
| 132 | }; | ||
| 133 | |||
| 134 | ✗ | Printer operator()(const void *addr, size_t n = 1) const { | |
| 135 | ✗ | return Printer(this, reinterpret_cast<const char*>(addr), n); | |
| 136 | } | ||
| 137 | |||
| 138 | ////////////// Iterator to walk through the DataType | ||
| 139 | // Requires a class with the following members: | ||
| 140 | // bool newVariable( | ||
| 141 | // const PdServ::DataType& dtype, | ||
| 142 | // const PdServ::DataType::DimType& dim, | ||
| 143 | // size_t dimIdx, size_t elemIdx, size_t offset) const; | ||
| 144 | // void newDimension( | ||
| 145 | // const PdServ::DataType& dtype, | ||
| 146 | // const PdServ::DataType::DimType& dim, | ||
| 147 | // size_t dimIdx, size_t elemIdx, | ||
| 148 | // CreateChannels& c, size_t offset); | ||
| 149 | // void newField(const PdServ::DataType::Field *field, | ||
| 150 | // CreateChannels& c, size_t offset); | ||
| 151 | |||
| 152 | template <class C> | ||
| 153 | struct Iterator { | ||
| 154 | Iterator(const DataType& dtype, | ||
| 155 | const DimType& dim, const C& c); | ||
| 156 | |||
| 157 | void dispatch( | ||
| 158 | const DataType& dtype, size_t dtypeSize, | ||
| 159 | const DimType& dim, size_t dimIdx, | ||
| 160 | size_t elemIdx, C c, size_t offset); | ||
| 161 | |||
| 162 | void iterateDims( | ||
| 163 | const DataType& dtype, size_t dtypeSize, | ||
| 164 | const DimType& dim, | ||
| 165 | size_t dimIdx, size_t elemIdx, C& c, size_t offset); | ||
| 166 | |||
| 167 | void iterateFields(const FieldList& fieldList, | ||
| 168 | C& c, size_t offset); | ||
| 169 | }; | ||
| 170 | |||
| 171 | |||
| 172 | protected: | ||
| 173 | DataType(const DataType& other); | ||
| 174 | explicit DataType(size_t size, void (*)(char *&dst, double src)); | ||
| 175 | |||
| 176 | private: | ||
| 177 | |||
| 178 | FieldList fieldList; | ||
| 179 | }; | ||
| 180 | |||
| 181 | ///////////////////////////////////////////////////////////////////////////// | ||
| 182 | template <class C> | ||
| 183 | 1848 | DataType::Iterator<C>::Iterator(const DataType& dtype, | |
| 184 | const DataType::DimType& dim, const C& c) | ||
| 185 | { | ||
| 186 |
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1848 | dispatch(dtype, dtype.size * dim.nelem, dim, 0, 0, c, 0); |
| 187 | 1848 | } | |
| 188 | |||
| 189 | |||
| 190 | ///////////////////////////////////////////////////////////////////////////// | ||
| 191 | template <class C> | ||
| 192 | 4312 | void DataType::Iterator<C>::dispatch( | |
| 193 | const DataType& dtype, size_t dtypeSize, const DimType& dim, | ||
| 194 | size_t dimIdx, size_t elemIdx, C c, size_t offset) | ||
| 195 | { | ||
| 196 |
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4312 | if (c.newVariable(dtype,dim,dimIdx,elemIdx,offset)) |
| 197 | ✗ | return; | |
| 198 | |||
| 199 |
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4312 | if (!dim.isScalar() and dimIdx != dim.size()) |
| 200 | 770 | iterateDims(dtype, dtypeSize, dim, dimIdx, elemIdx, c, offset); | |
| 201 |
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3542 | else if (!dtype.isPrimary()) |
| 202 | ✗ | iterateFields(dtype.getFieldList(), c, offset); | |
| 203 | } | ||
| 204 | |||
| 205 | ///////////////////////////////////////////////////////////////////////////// | ||
| 206 | template <class C> | ||
| 207 | 770 | void DataType::Iterator<C>::iterateDims( | |
| 208 | const DataType& dtype, size_t dtypeSize, const DimType& dim, | ||
| 209 | size_t dimIdx, size_t /*elemIdx*/, C& c, size_t offset) | ||
| 210 | { | ||
| 211 | 770 | size_t end = dim[dimIdx]; | |
| 212 |
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770 | dtypeSize /= dim[dimIdx]; |
| 213 | 770 | ++dimIdx; | |
| 214 |
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3234 | for (size_t i = 0; i < end; ++i) { |
| 215 | 2464 | c.newDimension(dtype, dim, dimIdx, i, c, offset); | |
| 216 |
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2464 | dispatch(dtype, dtypeSize, dim, dimIdx, i, c, offset); |
| 217 | 2464 | offset += dtypeSize; | |
| 218 | } | ||
| 219 | 770 | } | |
| 220 | |||
| 221 | ///////////////////////////////////////////////////////////////////////////// | ||
| 222 | template <class C> | ||
| 223 | ✗ | void DataType::Iterator<C>::iterateFields( | |
| 224 | const FieldList& fieldList, C& c, size_t offset) | ||
| 225 | { | ||
| 226 | ✗ | for (FieldList::const_iterator it = fieldList.begin(); | |
| 227 | ✗ | it != fieldList.end(); ++it) { | |
| 228 | ✗ | const Field *field = *it; | |
| 229 | ✗ | c.newField(field, c, offset + field->offset); | |
| 230 | ✗ | dispatch(field->type, field->type.size, field->dim, | |
| 231 | ✗ | 0, 0, c, offset + field->offset); | |
| 232 | } | ||
| 233 | } | ||
| 234 | |||
| 235 | }; | ||
| 236 | |||
| 237 | #endif //DATATYPE_H | ||
| 238 |