Files
thirdparty-ArduinoJson/src/ArduinoJson/Strings/CharPointer.hpp
2018-06-04 17:46:34 +02:00

45 lines
1.3 KiB
C++

// ArduinoJson - arduinojson.org
// Copyright Benoit Blanchon 2014-2018
// MIT License
#pragma once
namespace ArduinoJson {
namespace Internals {
template <typename TChar>
struct CharPointerTraits {
static bool equals(const TChar* str, const char* expected) {
const char* actual = reinterpret_cast<const char*>(str);
if (!actual || !expected) return actual == expected;
return strcmp(actual, expected) == 0;
}
static bool is_null(const TChar* str) {
return !str;
}
typedef const char* duplicate_t;
template <typename Buffer>
static duplicate_t duplicate(const TChar* str, Buffer* buffer) {
if (!str) return NULL;
size_t size = strlen(reinterpret_cast<const char*>(str)) + 1;
void* dup = buffer->alloc(size);
if (dup != NULL) memcpy(dup, str, size);
return static_cast<duplicate_t>(dup);
}
static const bool has_append = false;
static const bool has_equals = true;
static const bool should_duplicate = !is_const<TChar>::value;
};
// char*, unsigned char*, signed char*
// const char*, const unsigned char*, const signed char*
template <typename TChar>
struct StringTraits<TChar*, typename enable_if<sizeof(TChar) == 1>::type>
: CharPointerTraits<TChar> {};
} // namespace Internals
} // namespace ArduinoJson