Files
thirdparty-ArduinoJson/include/ArduinoJson/StringTraits/StdString.hpp
2017-01-03 22:03:50 +01:00

62 lines
1.5 KiB
C++

// Copyright Benoit Blanchon 2014-2016
// MIT License
//
// Arduino JSON library
// https://github.com/bblanchon/ArduinoJson
// If you like this project, please add a star!
#pragma once
#if ARDUINOJSON_ENABLE_ARDUINO_STRING
#include <WString.h>
#endif
#if ARDUINOJSON_ENABLE_STD_STRING
#include <string>
#endif
namespace ArduinoJson {
namespace Internals {
template <typename TString>
struct StdStringFuncs {
template <typename Buffer>
static char* duplicate(const TString& str, Buffer* buffer) {
if (!str.c_str()) return NULL; // <- Arduino string can return NULL
size_t size = str.length() + 1;
void* dup = buffer->alloc(size);
if (dup != NULL) memcpy(dup, str.c_str(), size);
return static_cast<char*>(dup);
}
struct Iterator : CharPtrFuncs::Iterator {
Iterator(const TString& str) : CharPtrFuncs::Iterator(str.c_str()) {}
};
static bool equals(const TString& str, const char* expected) {
return str == expected;
}
static void append(TString& str, char c) {
str += c;
}
static const bool has_append = true;
static const bool has_equals = true;
static const bool should_duplicate = true;
};
#if ARDUINOJSON_ENABLE_ARDUINO_STRING
template <>
struct StringFuncs<String, void> : StdStringFuncs<String> {};
template <>
struct StringFuncs<StringSumHelper, void> : StdStringFuncs<StringSumHelper> {};
#endif
#if ARDUINOJSON_ENABLE_STD_STRING
template <>
struct StringFuncs<std::string, void> : StdStringFuncs<std::string> {};
#endif
}
}