AceRoutine
1.0.1
A low-memory, fast-switching, cooperative multitasking library using stackless coroutines on Arduino platforms.
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25 #ifndef ACE_ROUTINE_FCSTRING_H
26 #define ACE_ROUTINE_FCSTRING_H
33 class __FlashStringHelper;
35 namespace ace_routine {
48 static const uint8_t kCStringType = 0;
49 static const uint8_t kFStringType = 1;
56 mStringType(kCStringType) {
61 explicit FCString(
const __FlashStringHelper* s):
62 mStringType(kFStringType) {
67 bool isNull()
const {
return mString.cstring ==
nullptr; }
70 uint8_t
getType()
const {
return mStringType; }
73 const char*
getCString()
const {
return mString.cstring; }
76 const __FlashStringHelper*
getFString()
const {
return mString.fstring; }
84 size_t printTo(Print& printer)
const;
93 const __FlashStringHelper* fstring;
94 } mString = {
nullptr };
96 uint8_t mStringType = kCStringType;
uint8_t getType() const
Get the internal type of string.
FCString(const char *s)
Construct with a c-string.
const char * getCString() const
Get the c-string pointer.
int compareTo(const FCString &that) const
Compare to another FCString.
FCString()
Default constructor initializes to a nullptr of kCStringType.
A union of (const char*) and (const __FlashStringHelper*) with a discriminator.
FCString(const __FlashStringHelper *s)
Construct with a flash string.
const __FlashStringHelper * getFString() const
Get the flash string pointer.
size_t printTo(Print &printer) const
Convenience method for printing an FCString to printer.
bool isNull() const
Return if this is a null string.