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			46 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			46 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| // ArduinoJson - arduinojson.org
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| // Copyright Benoit Blanchon 2014-2018
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| // MIT License
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| 
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| #pragma once
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| 
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| namespace ARDUINOJSON_NAMESPACE {
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| 
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| class ZeroTerminatedFlashString {
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|  public:
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|   ZeroTerminatedFlashString(const __FlashStringHelper* str) : _str(str) {}
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| 
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|   bool equals(const char* expected) const {
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|     const char* actual = reinterpret_cast<const char*>(_str);
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|     if (!actual || !expected) return actual == expected;
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|     return strcmp_P(expected, actual) == 0;
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|   }
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| 
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|   bool isNull() const {
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|     return !_str;
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|   }
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| 
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|   char* save(MemoryPool* memoryPool) const {
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|     if (!_str) return NULL;
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|     size_t n = size() + 1;  // copy the terminator
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|     char* dup = memoryPool->allocFrozenString(n);
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|     if (dup) memcpy_P(dup, reinterpret_cast<const char*>(_str), n);
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|     return dup;
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|   }
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| 
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|   size_t size() const {
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|     return strlen_P(reinterpret_cast<const char*>(_str));
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|   }
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| 
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|  private:
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|   const __FlashStringHelper* _str;
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| };
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| 
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| inline ZeroTerminatedFlashString makeString(const __FlashStringHelper* str) {
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|   return ZeroTerminatedFlashString(str);
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| }
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| 
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| template <>
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| struct IsString<const __FlashStringHelper*> : true_type {};
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| }  // namespace ARDUINOJSON_NAMESPACE
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