3619649488

Build # 3619649488

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push

github

Committed by Benoit Blanchon

Commit Message

CI: use `ubuntu-20.04` for GCC

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98.17

/src/ArduinoJson/MsgPack/MsgPackSerializer.hpp

// ArduinoJson - https://arduinojson.org
// Copyright © 2014-2022, Benoit BLANCHON
// MIT License

#pragma once

#include <ArduinoJson/MsgPack/endianess.hpp>
#include <ArduinoJson/Polyfills/assert.hpp>
#include <ArduinoJson/Polyfills/type_traits.hpp>
#include <ArduinoJson/Serialization/CountingDecorator.hpp>
#include <ArduinoJson/Serialization/measure.hpp>
#include <ArduinoJson/Serialization/serialize.hpp>
#include <ArduinoJson/Variant/VariantData.hpp>

namespace ARDUINOJSON_NAMESPACE {

template <typename TWriter>
class MsgPackSerializer : public Visitor<size_t> {
 public:
  static const bool producesText = false;

  MsgPackSerializer(TWriter writer) : _writer(writer) {}

  template <typename T>
  typename enable_if<sizeof(T) == 4, size_t>::type visitFloat(T value32) {
    if (canConvertNumber<Integer>(value32)) {
      Integer truncatedValue = Integer(value32);
      if (value32 == T(truncatedValue))
        return visitSignedInteger(truncatedValue);
    }
    writeByte(0xCA);
    writeInteger(value32);
    return bytesWritten();
  }

  template <typename T>
  ARDUINOJSON_NO_SANITIZE("float-cast-overflow")
  typename enable_if<sizeof(T) == 8, size_t>::type visitFloat(T value64) {
    float value32 = float(value64);
    if (value32 == value64)
      return visitFloat(value32);
    writeByte(0xCB);
    writeInteger(value64);
    return bytesWritten();
  }

  size_t visitArray(const CollectionData& array) {
    size_t n = array.size();
    if (n < 0x10) {
      writeByte(uint8_t(0x90 + array.size()));
    } else if (n < 0x10000) {
      writeByte(0xDC);
      writeInteger(uint16_t(n));
    } else {
      writeByte(0xDD);
      writeInteger(uint32_t(n));
    }
    for (const VariantSlot* slot = array.head(); slot; slot = slot->next()) {
      slot->data()->accept(*this);
    }
    return bytesWritten();
  }

  size_t visitObject(const CollectionData& object) {
    size_t n = object.size();
    if (n < 0x10) {
      writeByte(uint8_t(0x80 + n));
    } else if (n < 0x10000) {
      writeByte(0xDE);
      writeInteger(uint16_t(n));
    } else {
      writeByte(0xDF);
      writeInteger(uint32_t(n));
    }
    for (const VariantSlot* slot = object.head(); slot; slot = slot->next()) {
      visitString(slot->key());
      slot->data()->accept(*this);
    }
    return bytesWritten();
  }

  size_t visitString(const char* value) {
    return visitString(value, strlen(value));
  }

  size_t visitString(const char* value, size_t n) {
    ARDUINOJSON_ASSERT(value != NULL);

    if (n < 0x20) {
      writeByte(uint8_t(0xA0 + n));
    } else if (n < 0x100) {
      writeByte(0xD9);
      writeInteger(uint8_t(n));
    } else if (n < 0x10000) {
      writeByte(0xDA);
      writeInteger(uint16_t(n));
    } else {
      writeByte(0xDB);
      writeInteger(uint32_t(n));
    }
    writeBytes(reinterpret_cast<const uint8_t*>(value), n);
    return bytesWritten();
  }

  size_t visitRawJson(const char* data, size_t size) {
    writeBytes(reinterpret_cast<const uint8_t*>(data), size);
    return bytesWritten();
  }

  size_t visitSignedInteger(Integer value) {
    if (value > 0) {
      visitUnsignedInteger(static_cast<UInt>(value));
    } else if (value >= -0x20) {
      writeInteger(int8_t(value));
    } else if (value >= -0x80) {
      writeByte(0xD0);
      writeInteger(int8_t(value));
    } else if (value >= -0x8000) {
      writeByte(0xD1);
      writeInteger(int16_t(value));
    }
#if ARDUINOJSON_USE_LONG_LONG
    else if (value >= -0x80000000LL)
#else
    else
#endif
    {
      writeByte(0xD2);
      writeInteger(int32_t(value));
    }
#if ARDUINOJSON_USE_LONG_LONG
    else {
      writeByte(0xD3);
      writeInteger(int64_t(value));
    }
#endif
    return bytesWritten();
  }

  size_t visitUnsignedInteger(UInt value) {
    if (value <= 0x7F) {
      writeInteger(uint8_t(value));
    } else if (value <= 0xFF) {
      writeByte(0xCC);
      writeInteger(uint8_t(value));
    } else if (value <= 0xFFFF) {
      writeByte(0xCD);
      writeInteger(uint16_t(value));
    }
#if ARDUINOJSON_USE_LONG_LONG
    else if (value <= 0xFFFFFFFF)
#else
    else
#endif
    {
      writeByte(0xCE);
      writeInteger(uint32_t(value));
    }
#if ARDUINOJSON_USE_LONG_LONG
    else {
      writeByte(0xCF);
      writeInteger(uint64_t(value));
    }
#endif
    return bytesWritten();
  }

  size_t visitBoolean(bool value) {
    writeByte(value ? 0xC3 : 0xC2);
    return bytesWritten();
  }

  size_t visitNull() {
    writeByte(0xC0);
    return bytesWritten();
  }

 private:
  size_t bytesWritten() const {
    return _writer.count();
  }

  void writeByte(uint8_t c) {
    _writer.write(c);
  }

  void writeBytes(const uint8_t* p, size_t n) {
    _writer.write(p, n);
  }

  template <typename T>
  void writeInteger(T value) {
    fixEndianess(value);
    writeBytes(reinterpret_cast<uint8_t*>(&value), sizeof(value));
  }

  CountingDecorator<TWriter> _writer;
};

template <typename TDestination>
inline size_t serializeMsgPack(VariantConstRef source, TDestination& output) {
  return serialize<MsgPackSerializer>(source, output);
}

inline size_t serializeMsgPack(VariantConstRef source, void* output,
                               size_t size) {
  return serialize<MsgPackSerializer>(source, output, size);
}

inline size_t measureMsgPack(VariantConstRef source) {
  return measure<MsgPackSerializer>(source);
}

}  // namespace ARDUINOJSON_NAMESPACE

1	// ArduinoJson - https://arduinojson.org
2	// Copyright © 2014-2022, Benoit BLANCHON
3	// MIT License
4
5	#pragma once
6
7	#include <ArduinoJson/MsgPack/endianess.hpp>
8	#include <ArduinoJson/Polyfills/assert.hpp>
9	#include <ArduinoJson/Polyfills/type_traits.hpp>
10	#include <ArduinoJson/Serialization/CountingDecorator.hpp>
11	#include <ArduinoJson/Serialization/measure.hpp>
12	#include <ArduinoJson/Serialization/serialize.hpp>
13	#include <ArduinoJson/Variant/VariantData.hpp>
14
15	namespace ARDUINOJSON_NAMESPACE {
16
17	template <typename TWriter>
18	class MsgPackSerializer : public Visitor<size_t> {
19	public:
20	static const bool producesText = false;
21
22	MsgPackSerializer(TWriter writer) : _writer(writer) {}
23
24	template <typename T>
25	typename enable_if<sizeof(T) == 4, size_t>::type visitFloat(T value32) {
26	if (canConvertNumber<Integer>(value32)) {
27	Integer truncatedValue = Integer(value32);
28	if (value32 == T(truncatedValue))
29	return visitSignedInteger(truncatedValue);
30	}
31	writeByte(0xCA);
32	writeInteger(value32);
33	return bytesWritten();
34	}
35
36	template <typename T>
37	ARDUINOJSON_NO_SANITIZE("float-cast-overflow")
38	typename enable_if<sizeof(T) == 8, size_t>::type visitFloat(T value64) {
39	float value32 = float(value64);
40	if (value32 == value64)
41	return visitFloat(value32);
42	writeByte(0xCB);
43	writeInteger(value64);
44	return bytesWritten();
45	}
46
47	size_t visitArray(const CollectionData& array) {
48	size_t n = array.size();
49	if (n < 0x10) {
50	writeByte(uint8_t(0x90 + array.size()));
51	} else if (n < 0x10000) {
52	writeByte(0xDC);
53	writeInteger(uint16_t(n));
54	} else {
55	writeByte(0xDD);
56	writeInteger(uint32_t(n));
57	}
58	for (const VariantSlot* slot = array.head(); slot; slot = slot->next()) {
59	slot->data()->accept(*this);
60	}
61	return bytesWritten();
62	}
63
64	size_t visitObject(const CollectionData& object) {
65	size_t n = object.size();
66	if (n < 0x10) {
67	writeByte(uint8_t(0x80 + n));
68	} else if (n < 0x10000) {
69	writeByte(0xDE);
70	writeInteger(uint16_t(n));
71	} else {
72	writeByte(0xDF);
73	writeInteger(uint32_t(n));
74	}
75	for (const VariantSlot* slot = object.head(); slot; slot = slot->next()) {
76	visitString(slot->key());
77	slot->data()->accept(*this);
78	}
79	return bytesWritten();
80	}
81
82	size_t visitString(const char* value) {
83	return visitString(value, strlen(value));
84	}
85
86	size_t visitString(const char* value, size_t n) {
87	ARDUINOJSON_ASSERT(value != NULL);
88
89	if (n < 0x20) {
90	writeByte(uint8_t(0xA0 + n));
91	} else if (n < 0x100) {
92	writeByte(0xD9);
93	writeInteger(uint8_t(n));
94	} else if (n < 0x10000) {
95	writeByte(0xDA);
96	writeInteger(uint16_t(n));
97	} else {
98	writeByte(0xDB);
99	writeInteger(uint32_t(n));
100	}
101	writeBytes(reinterpret_cast<const uint8_t*>(value), n);
102	return bytesWritten();
103	}
104
105	size_t visitRawJson(const char* data, size_t size) {
106	writeBytes(reinterpret_cast<const uint8_t*>(data), size);
107	return bytesWritten();
108	}
109
110	size_t visitSignedInteger(Integer value) {
111	if (value > 0) {
112	visitUnsignedInteger(static_cast<UInt>(value));
113	} else if (value >= -0x20) {
114	writeInteger(int8_t(value));
115	} else if (value >= -0x80) {
116	writeByte(0xD0);
117	writeInteger(int8_t(value));
118	} else if (value >= -0x8000) {
119	writeByte(0xD1);
120	writeInteger(int16_t(value));
121	}
122	#if ARDUINOJSON_USE_LONG_LONG
123	else if (value >= -0x80000000LL)
124	#else
125	else
126	#endif
127	{
128	writeByte(0xD2);
129	writeInteger(int32_t(value));
130	}
131	#if ARDUINOJSON_USE_LONG_LONG
132	else {
133	writeByte(0xD3);
134	writeInteger(int64_t(value));
135	}
136	#endif
137	return bytesWritten();
138	}
139
140	size_t visitUnsignedInteger(UInt value) {
141	if (value <= 0x7F) {
142	writeInteger(uint8_t(value));
143	} else if (value <= 0xFF) {
144	writeByte(0xCC);
145	writeInteger(uint8_t(value));
146	} else if (value <= 0xFFFF) {
147	writeByte(0xCD);
148	writeInteger(uint16_t(value));
149	}
150	#if ARDUINOJSON_USE_LONG_LONG
151	else if (value <= 0xFFFFFFFF)
152	#else
153	else
154	#endif
155	{
156	writeByte(0xCE);
157	writeInteger(uint32_t(value));
158	}
159	#if ARDUINOJSON_USE_LONG_LONG
160	else {
161	writeByte(0xCF);
162	writeInteger(uint64_t(value));
163	}
164	#endif
165	return bytesWritten();
166	}
167
168	size_t visitBoolean(bool value) {
169	writeByte(value ? 0xC3 : 0xC2);
170	return bytesWritten();
171	}
172
173	size_t visitNull() {
174	writeByte(0xC0);
175	return bytesWritten();
176	}
177
178	private:
179	size_t bytesWritten() const {
180	return _writer.count();
181	}
182
183	void writeByte(uint8_t c) {
184	_writer.write(c);
185	}
186
187	void writeBytes(const uint8_t* p, size_t n) {
188	_writer.write(p, n);
189	}
190
191	template <typename T>
192	void writeInteger(T value) {
193	fixEndianess(value);
194	writeBytes(reinterpret_cast<uint8_t*>(&value), sizeof(value));
195	}
196
197	CountingDecorator<TWriter> _writer;
198	};
199
200	template <typename TDestination>
201	inline size_t serializeMsgPack(VariantConstRef source, TDestination& output) {
202	return serialize<MsgPackSerializer>(source, output);
203	}
204
205	inline size_t serializeMsgPack(VariantConstRef source, void* output,
206	size_t size) {
207	return serialize<MsgPackSerializer>(source, output, size);
208	}
209
210	inline size_t measureMsgPack(VariantConstRef source) {
211	return measure<MsgPackSerializer>(source);
212	}
213
214	} // namespace ARDUINOJSON_NAMESPACE

bblanchon / ArduinoJson / 3619649488

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