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Diffstat (limited to 'include/lib/ArduinoJson/Serialization/JsonWriter.hpp')
-rw-r--r-- | include/lib/ArduinoJson/Serialization/JsonWriter.hpp | 155 |
1 files changed, 0 insertions, 155 deletions
diff --git a/include/lib/ArduinoJson/Serialization/JsonWriter.hpp b/include/lib/ArduinoJson/Serialization/JsonWriter.hpp deleted file mode 100644 index 146d51d..0000000 --- a/include/lib/ArduinoJson/Serialization/JsonWriter.hpp +++ /dev/null @@ -1,155 +0,0 @@ -// ArduinoJson - arduinojson.org -// Copyright Benoit Blanchon 2014-2018 -// MIT License - -#pragma once - -#include <stdint.h> -#include "../Data/Encoding.hpp" -#include "../Data/JsonInteger.hpp" -#include "../Polyfills/attributes.hpp" -#include "../Serialization/FloatParts.hpp" - -namespace ArduinoJson { -namespace Internals { - -// Writes the JSON tokens to a Print implementation -// This class is used by: -// - JsonArray::writeTo() -// - JsonObject::writeTo() -// - JsonVariant::writeTo() -// Its derived by PrettyJsonWriter that overrides some members to add -// indentation. -template <typename Print> -class JsonWriter { - public: - explicit JsonWriter(Print &sink) : _sink(sink), _length(0) {} - - // Returns the number of bytes sent to the Print implementation. - // This is very handy for implementations of printTo() that must return the - // number of bytes written. - size_t bytesWritten() const { - return _length; - } - - void beginArray() { - writeRaw('['); - } - void endArray() { - writeRaw(']'); - } - - void beginObject() { - writeRaw('{'); - } - void endObject() { - writeRaw('}'); - } - - void writeColon() { - writeRaw(':'); - } - void writeComma() { - writeRaw(','); - } - - void writeBoolean(bool value) { - writeRaw(value ? "true" : "false"); - } - - void writeString(const char *value) { - if (!value) { - writeRaw("null"); - } else { - writeRaw('\"'); - while (*value) writeChar(*value++); - writeRaw('\"'); - } - } - - void writeChar(char c) { - char specialChar = Encoding::escapeChar(c); - if (specialChar) { - writeRaw('\\'); - writeRaw(specialChar); - } else { - writeRaw(c); - } - } - - template <typename TFloat> - void writeFloat(TFloat value) { - if (isNaN(value)) return writeRaw("NaN"); - - if (value < 0.0) { - writeRaw('-'); - value = -value; - } - - if (isInfinity(value)) return writeRaw("Infinity"); - - FloatParts<TFloat> parts(value); - - writeInteger(parts.integral); - if (parts.decimalPlaces) writeDecimals(parts.decimal, parts.decimalPlaces); - - if (parts.exponent < 0) { - writeRaw("e-"); - writeInteger(-parts.exponent); - } - - if (parts.exponent > 0) { - writeRaw('e'); - writeInteger(parts.exponent); - } - } - - template <typename UInt> - void writeInteger(UInt value) { - char buffer[22]; - char *end = buffer + sizeof(buffer) - 1; - char *ptr = end; - - *ptr = 0; - do { - *--ptr = char(value % 10 + '0'); - value = UInt(value / 10); - } while (value); - - writeRaw(ptr); - } - - void writeDecimals(uint32_t value, int8_t width) { - // buffer should be big enough for all digits, the dot and the null - // terminator - char buffer[16]; - char *ptr = buffer + sizeof(buffer) - 1; - - // write the string in reverse order - *ptr = 0; - while (width--) { - *--ptr = char(value % 10 + '0'); - value /= 10; - } - *--ptr = '.'; - - // and dump it in the right order - writeRaw(ptr); - } - - void writeRaw(const char *s) { - _length += _sink.print(s); - } - void writeRaw(char c) { - _length += _sink.print(c); - } - - protected: - Print &_sink; - size_t _length; - - private: - JsonWriter &operator=(const JsonWriter &); // cannot be assigned -}; -} -} |