docs/ref800/hex_8cpp_source.html

 // hex.cpp - originally written and placed in the public domain by Wei Dai

 #include "pch.h"

 #ifndef CRYPTOPP_IMPORTS

 #include "hex.h"

 NAMESPACE_BEGIN(CryptoPP)
 ANONYMOUS_NAMESPACE_BEGIN

 const byte s_vecUpper[] = "0123456789ABCDEF";
 const byte s_vecLower[] = "0123456789abcdef";
 const int s_array[256] = {
     -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
     -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
     -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
      0,  1,  2,  3,  4,  5,  6,  7,  8,  9, -1, -1, -1, -1, -1, -1,
     -1, 10, 11, 12, 13, 14, 15, -1, -1, -1, -1, -1, -1, -1, -1, -1,
     -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
     -1, 10, 11, 12, 13, 14, 15, -1, -1, -1, -1, -1, -1, -1, -1, -1,
     -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
     -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
     -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
     -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
     -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
     -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
     -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
     -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
     -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
 };

 ANONYMOUS_NAMESPACE_END

 void HexEncoder::IsolatedInitialize(const NameValuePairs &parameters)
 {
     bool uppercase = parameters.GetValueWithDefault(Name::Uppercase(), true);
     m_filter->Initialize(CombinedNameValuePairs(
         parameters,
         MakeParameters(Name::EncodingLookupArray(), uppercase ? &s_vecUpper[0] : &s_vecLower[0], false)(Name::Log2Base(), 4, true)));
 }

 void HexDecoder::IsolatedInitialize(const NameValuePairs &parameters)
 {
     BaseN_Decoder::IsolatedInitialize(CombinedNameValuePairs(
         parameters,
         MakeParameters(Name::DecodingLookupArray(), GetDefaultDecodingLookupArray(), false)(Name::Log2Base(), 4, true)));
 }

 // Unrolled initialization, http://github.com/weidai11/cryptopp/issues/376
 const int *HexDecoder::GetDefaultDecodingLookupArray()
 {
     return s_array;
 }

 NAMESPACE_END

 #endif  // CRYPTOPP_IMPORTS
Name::Uppercase
const char * Uppercase()
bool
Definition: argnames.h:70

NameValuePairs::GetValueWithDefault
T GetValueWithDefault(const char *name, T defaultValue) const
Get a named value.
Definition: cryptlib.h:363

CombinedNameValuePairs
Combines two sets of NameValuePairs.
Definition: algparam.h:124

HexEncoder::IsolatedInitialize
void IsolatedInitialize(const NameValuePairs &parameters)
Initialize or reinitialize this object, without signal propagation.
Definition: hex.cpp:35

BaseN_Decoder::IsolatedInitialize
void IsolatedInitialize(const NameValuePairs &parameters)
Initialize or reinitialize this object, without signal propagation.
Definition: basecode.cpp:115

MakeParameters
AlgorithmParameters MakeParameters(const char *name, const T &value, bool throwIfNotUsed=true)
Create an object that implements NameValuePairs.
Definition: algparam.h:502

Name::EncodingLookupArray
const char * EncodingLookupArray()
const byte *
Definition: argnames.h:75

hex.h
Classes for HexEncoder and HexDecoder.

pch.h
Precompiled header file.

Name::Log2Base
const char * Log2Base()
int
Definition: argnames.h:74

Name::DecodingLookupArray
const char * DecodingLookupArray()
const byte *
Definition: argnames.h:76

CryptoPP
Crypto++ library namespace.

HexDecoder::IsolatedInitialize
void IsolatedInitialize(const NameValuePairs &parameters)
Initialize or reinitialize this object, without signal propagation.
Definition: hex.cpp:43

NameValuePairs
Interface for retrieving values given their names.
Definition: cryptlib.h:293