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Remove IsWriteableString

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This commit is contained in:
Benoit Blanchon
2021-11-12 15:28:33 +01:00
parent bd42b9638a
commit 0429016ff1
4 changed files with 42 additions and 70 deletions
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5
extras/tests/Helpers/api/String.h
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@@ -32,6 +32,11 @@ class String {
return _str == s;
}
String& operator=(const char* s) {
_str.assign(s);
return *this;
}
friend std::ostream& operator<<(std::ostream& lhs, const ::String& rhs) {
lhs << rhs._str;
return lhs;

14
extras/tests/Misc/StringWriter.cpp
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@@ -135,20 +135,6 @@ TEST_CASE("Writer<custom_string>") {
REQUIRE("ABCD" == output);
}
TEST_CASE("IsWriteableString") {
SECTION("std::string") {
REQUIRE(IsWriteableString<std::string>::value == true);
}
SECTION("custom_string") {
REQUIRE(IsWriteableString<custom_string>::value == true);
}
SECTION("basic_string<wchar_t>") {
REQUIRE(IsWriteableString<std::basic_string<wchar_t> >::value == false);
}
}
TEST_CASE("serializeJson(doc, String)") {
StaticJsonDocument<1024> doc;
doc["hello"] = "world";

37
src/ArduinoJson/Strings/IsWriteableString.hpp
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@@ -1,37 +0,0 @@
// ArduinoJson - https://arduinojson.org
// Copyright Benoit Blanchon 2014-2021
// MIT License
#pragma once
#include <ArduinoJson/Configuration.hpp>
#include <ArduinoJson/Polyfills/type_traits.hpp>
#if ARDUINOJSON_ENABLE_ARDUINO_STRING
# include <Arduino.h>
#endif
#if ARDUINOJSON_ENABLE_STD_STRING
# include <string>
#endif
namespace ARDUINOJSON_NAMESPACE {
template <typename>
struct IsWriteableString : false_type {};
#if ARDUINOJSON_ENABLE_ARDUINO_STRING
template <>
struct IsWriteableString< ::String> : true_type {};
#endif
#if ARDUINOJSON_ENABLE_STD_STRING
template <typename TCharTraits, typename TAllocator>
struct IsWriteableString<std::basic_string<char, TCharTraits, TAllocator> >
: true_type {};
#endif
} // namespace ARDUINOJSON_NAMESPACE

56
src/ArduinoJson/Variant/ConverterImpl.hpp
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@@ -4,7 +4,7 @@
#pragma once
#include <ArduinoJson/Strings/IsWriteableString.hpp>
#include <ArduinoJson/Json/JsonSerializer.hpp>
#include <ArduinoJson/Variant/VariantFunctions.hpp>
#include <ArduinoJson/Variant/VariantRef.hpp>
@@ -154,24 +154,6 @@ inline typename enable_if<IsString<T>::value, bool>::type convertToJson(
return variantSetString(data, adaptString(src), pool);
}
template <typename T>
inline typename enable_if<IsWriteableString<T>::value>::type convertFromJson(
VariantConstRef src, T& dst) {
const VariantData* data = getData(src);
String str = data != 0 ? data->asString() : 0;
if (str)
dst = str.c_str();
else
serializeJson(src, dst);
}
template <typename T>
inline typename enable_if<IsWriteableString<T>::value, bool>::type
canConvertFromJson(VariantConstRef src, const T&) {
const VariantData* data = getData(src);
return data && data->isString();
}
template <>
struct Converter<SerializedValue<const char*> > {
static void toJson(SerializedValue<const char*> src, VariantRef dst) {
@@ -273,6 +255,42 @@ inline void convertToJson(const ::Printable& src, VariantRef dst) {
#endif
#if ARDUINOJSON_ENABLE_ARDUINO_STRING
inline void convertFromJson(VariantConstRef src, ::String& dst) {
const VariantData* data = getData(src);
String str = data != 0 ? data->asString() : String();
if (str)
dst = str.c_str();
else
serializeJson(src, dst);
}
inline bool canConvertFromJson(VariantConstRef src, const ::String&) {
const VariantData* data = getData(src);
return data && data->isString();
}
#endif
#if ARDUINOJSON_ENABLE_STD_STRING
inline void convertFromJson(VariantConstRef src, std::string& dst) {
const VariantData* data = getData(src);
String str = data != 0 ? data->asString() : String();
if (str)
dst.assign(str.c_str());
else
serializeJson(src, dst);
}
inline bool canConvertFromJson(VariantConstRef src, const std::string&) {
const VariantData* data = getData(src);
return data && data->isString();
}
#endif
#if ARDUINOJSON_ENABLE_STRING_VIEW
inline void convertFromJson(VariantConstRef src, std::string_view& dst) {