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Improved deserializeMsgPack() speed by reading several bytes at once

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This commit is contained in:
Benoit Blanchon
2019-10-14 12:02:26 +02:00
parent fd8f4eb3a6
commit 16fe3c0acc
11 changed files with 286 additions and 50 deletions
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20
src/ArduinoJson/Deserialization/CharPointerReader.hpp
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@@ -4,6 +4,7 @@
#pragma once
#include <ArduinoJson/Deserialization/IteratorReader.hpp>
#include <ArduinoJson/Namespace.hpp>
namespace ARDUINOJSON_NAMESPACE {
@@ -28,22 +29,17 @@ class UnsafeCharPointerReader {
int read() {
return static_cast<unsigned char>(*_ptr++);
}
size_t readBytes(char* buffer, size_t length) {
for (size_t i = 0; i < length; i++) buffer[i] = *_ptr++;
return length;
}
};
class SafeCharPointerReader {
const char* _ptr;
const char* _end;
class SafeCharPointerReader : public IteratorReader<const char*> {
public:
explicit SafeCharPointerReader(const char* ptr, size_t len)
: _ptr(ptr ? ptr : reinterpret_cast<const char*>("")), _end(_ptr + len) {}
int read() {
if (_ptr < _end)
return static_cast<unsigned char>(*_ptr++);
else
return -1;
}
: IteratorReader<const char*>(ptr, ptr + len) {}
};
template <typename TChar>