websocketpp::utf8_validator Namespace Reference

Classes
class	validator
	Provides streaming UTF8 validation functionality. More...

Functions
uint32_t	decode (uint32_t *state, uint32_t *codep, uint8_t byte)
	Decode the next byte of a UTF8 sequence. More...
bool	validate (std::string const &s)
	Validate a UTF8 string. More...

Variables
static unsigned int const	utf8_accept = 0
	State that represents a valid utf8 input sequence. More...
static unsigned int const	utf8_reject = 1
	State that represents an invalid utf8 input sequence. More...
static uint8_t const	utf8d []
	Lookup table for the UTF8 decode state machine. More...

Function Documentation

uint32_t websocketpp::utf8_validator::decode ( uint32_t *  state, uint32_t *  codep, uint8_t  byte  )

inline

Decode the next byte of a UTF8 sequence.

Parameters

[out]	state	The decoder state to advance
[out]	codep	The codepoint to fill in
[in]	byte	The byte to input

Returns

The ending state of the decode operation

Definition at line 69 of file utf8_validator.hpp.

References utf8_accept.

Referenced by websocketpp::utf8_validator::validator::consume(), websocketpp::utf8_validator::validator::decode(), ndn::lp::Packet::get(), and ndn::lp::Packet::list().

bool websocketpp::utf8_validator::validate ( std::string const &  s )

inline

Validate a UTF8 string.

convenience function that creates a validator, validates a complete string and returns the result.

Definition at line 143 of file utf8_validator.hpp.

References websocketpp::utf8_validator::validator::complete(), and websocketpp::utf8_validator::validator::decode().

Referenced by websocketpp::close::extract_reason(), websocketpp::processor::hybi00< stub_config >::prepare_data_frame(), and websocketpp::processor::hybi13< stub_config >::prepare_data_frame().

Variable Documentation

unsigned int const websocketpp::utf8_validator::utf8_accept = 0

static

State that represents a valid utf8 input sequence.

Definition at line 40 of file utf8_validator.hpp.

Referenced by websocketpp::utf8_validator::validator::complete(), decode(), and websocketpp::utf8_validator::validator::reset().

unsigned int const websocketpp::utf8_validator::utf8_reject = 1

static

State that represents an invalid utf8 input sequence.

Definition at line 42 of file utf8_validator.hpp.

uint8_t const websocketpp::utf8_validator::utf8d[]

static

Initial value:

= {
  0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 
  0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 
  0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 
  0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 
  1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9, 
  7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7, 
  8,8,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2, 
  0xa,0x3,0x3,0x3,0x3,0x3,0x3,0x3,0x3,0x3,0x3,0x3,0x3,0x4,0x3,0x3, 
  0xb,0x6,0x6,0x6,0x5,0x8,0x8,0x8,0x8,0x8,0x8,0x8,0x8,0x8,0x8,0x8, 
  0x0,0x1,0x2,0x3,0x5,0x8,0x7,0x1,0x1,0x1,0x4,0x6,0x1,0x1,0x1,0x1, 
  1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,1,1,1,1,1,0,1,0,1,1,1,1,1,1, 
  1,2,1,1,1,1,1,2,1,2,1,1,1,1,1,1,1,1,1,1,1,1,1,2,1,1,1,1,1,1,1,1, 
  1,2,1,1,1,1,1,1,1,2,1,1,1,1,1,1,1,1,1,1,1,1,1,3,1,3,1,1,1,1,1,1, 
  1,3,1,1,1,1,1,3,1,3,1,1,1,1,1,1,1,3,1,1,1,1,1,1,1,1,1,1,1,1,1,1, 
}

Lookup table for the UTF8 decode state machine.

Definition at line 45 of file utf8_validator.hpp.