tklb::uuid Namespace Reference

Functions
void	generate (char(&uuid)[UUIDLength])
bool	isValid (const char *uuid, bool checkLength=true)
bool	isValid (const char(&uuid)[UUIDLength])

Variables
constexpr int	UUIDLength = 36
constexpr int	DashPos [] = { 9, 14, 19, 24 }
constexpr char	CharacterSet [] = "abcdefghijklmnopqrstuvwxyz0123456789"

Function Documentation

generate()

void tklb::uuid::generate

(

char(&)

uuid[UUIDLength]

)

Definition at line 13 of file TUUID.h.

                                            {
        std::srand(std::time(nullptr));
        for (int i = 0; i < UUIDLength; i++) {
            uuid[i] = CharacterSet[std::rand() % (sizeof(CharacterSet) - 1)];
        }
        for (int i : DashPos) { uuid[i] = '-'; }
    }

isValid() [1/2]

bool tklb::uuid::isValid	(	const char *	uuid,
		bool	checkLength = true
	)

Definition at line 21 of file TUUID.h.

                                                            {
        if (checkLength && uuid[UUIDLength] != '\0') { return false; } // too long
        for (int i : DashPos) { if (uuid[i] != '-') { return false; } }
 
        for (int i = 0; i < UUIDLength; i++) {
            const char c = uuid[i];
            if ((('a' <= c) && (c <= 'z')) || (('0' <= c) && (c <= '9')) || (c == '-')) {
                // valid character
            } else { return false; } // invalid character
        }
        return true;
    }

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isValid() [2/2]

bool tklb::uuid::isValid

(

const char(&)

uuid[UUIDLength]

)

Definition at line 34 of file TUUID.h.

                                                 {
        // skips length check if the length is matched
        return isValid(reinterpret_cast<const char*>(uuid), false);
    }

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Variable Documentation

CharacterSet

constexpr char tklb::uuid::CharacterSet[] = "abcdefghijklmnopqrstuvwxyz0123456789"

constexpr

Definition at line 11 of file TUUID.h.

DashPos

constexpr int tklb::uuid::DashPos[] = { 9, 14, 19, 24 }

constexpr

Definition at line 10 of file TUUID.h.

UUIDLength

constexpr int tklb::uuid::UUIDLength = 36

constexpr

Definition at line 9 of file TUUID.h.